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The University Of Hong Kong patents


Recent patent applications related to The University Of Hong Kong. The University Of Hong Kong is listed as an Agent/Assignee. Note: The University Of Hong Kong may have other listings under different names/spellings. We're not affiliated with The University Of Hong Kong, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | The University Of Hong Kong-related inventors


Nanoparticle composition for use in targeting cancer stem cells and method for treatment of cancer

There is disclosed a composition in the form of a nanoparticle. The nanoparticle composition has a diameter from 5 to 500 nanometers. ... The University Of Hong Kong

Dc link module for reducing dc link capacitance

A dc link module for a power circuit comprising a first connector for connecting to a first power conversion circuit, a second connector for connecting to a second power conversion circuit, wherein the second power conversion circuit is connected to a load circuit arranged to at least intermittently operate as a power source to the power circuit, at least one dc link capacitors arranged between said first connector and said second connector for processing a voltage signal received at said first connector or said second connector, and at least one voltage compensation circuits arranged between said first connector and said second connector, said one or more voltage compensation circuits arranged to generate a voltage signal to compensate an ac ripple component in a dc voltage signal appearing across the at least one dc link capacitor.. . ... The University Of Hong Kong

Method for preparing hierarchically porous doped carbon material and its use

A method for preparing a hierarchically porous doped carbon material includes the steps of heating a mixture including an etching agent precursor and a pore-generating agent. The pore-generating agent is embedded in a matrix including a carbon source and a dopant source for simultaneously carbonizing the carbon source. ... The University Of Hong Kong

Electrochemical detector

An electrochemical detector including at least one substance selection structure disposed adjacent or proximate to an electronic device structure, wherein the substance selection structure is arranged to interact with a target substance having a molecular structure so as to alter an electrical characteristic of the electronic device structure.. . ... The University Of Hong Kong

Composite material composition and a method of forming a composite material composition

A material composition including a matrix including a first material, the matrix including a plurality of voids disposed in the matrix, two or more voids being spaced apart from each other, a plurality of elongate fibers of a second material located within the matrix, wherein the plurality of fibers are configured to reinforce the matrix and, wherein the material composition is a composite material composition.. . ... The University Of Hong Kong

Injectable hydrogels that promote mineralization and afford sustained release of bioactive ions

The present invention provides a hybrid hydrogel stabilized by multivalent cross-linking domains. The hydrogel combines inorganic nanoparticles along with an organic polymer network. ... The University Of Hong Kong

Energy storage apparatus

An energy storage apparatus and a method for fabricating the energy storage apparatus. The energy storage apparatus includes a pair of electrodes including an anode and a cathode; an electrolyte at least partially surrounding each of the pair of electrodes; and an encapsulation arranged to encapsulate the electrodes and the electrolyte; wherein the combination of the electrodes, the electrolyte and the encapsulation is mechanically flexible.. ... The University Of Hong Kong

Fast method for identifying coil misalignment/mutualcoupling in wireless charging systems

Methods and apparatus for determining the misalignment and mutual coupling between the transmitter coil and receiver coil, with or without an intermediate relay resonator coil, of a wireless power charging system are provided. The determination can be made without using any direct measurement from the receiver circuit. ... The University Of Hong Kong

Size-based analysis of fetal or tumor dna fraction in plasma

A fractional concentration of clinically-relevant dna in a mixture of dna from a biological sample is determined based on amounts of dna fragments at multiple sizes. For example, the fractional concentration of fetal dna in maternal plasma or tumor dna in a patient's plasma can be determined. ... The University Of Hong Kong

Systems and methods for privacy-assured similarity joins over encrypted datasets

Systems and methods which provide secure queries with respect to encrypted datasets are described. Embodiments provide privacy-assured similarity join techniques operable with large-scale encrypted datasets. ... The University Of Hong Kong

Marker for prenatal diagnosis and monitoring

The present invention relates to new methods for diagnosing a pregnancy-associated disorder by analyzing fetal dna present in the mother's blood. More specifically, this invention relies on the discovery that the maspin gene is differentially methylated in fetal dna and in maternal dna and provides these new diagnostic methods, which distinguish fetal dna from maternal dna and detect prenatal disorders based on abnormalities in fetal dna level and methylation status.. ... The University Of Hong Kong

Cytotoxic platinum complex, its preparation and therapeutic use

Platinum(iv) complexes especially suitable for antitumor therapy and methods for their preparation. Further provided is a method for treating a subject, in particular a human, suffering from a disease comprising administering a platinum(iv) complex of the present invention, which disease is especially preferably but not exclusively a cancer. ... The University Of Hong Kong

A novel neuroprotective and neurorestorative n-propargyl caffeamide (paca) and use as a treatment for neurodegenerative diseases

The present invention is directed to compounds, pharmaceutical compositions, and related methods of treatment and/or prevention for neurodegenerative diseases, such as parkinson's disease.. . ... The University Of Hong Kong

Compositions and methods for treatment and prevention of cardiovascular diseases

The present invention provides novel methods for the prevention and treatment of cardiovascular diseases and inflammatory diseases by modulating the hippo-yap signaling pathway. Also provided are methods for identifying compounds that are capable of modulating the hippo-yap signaling pathway and are therefore useful for the prevention and treatment of cardiovascular diseases and inflammatory diseases.. ... The University Of Hong Kong

05/31/18 / #20180149636

Analysis of cell-free dna in urine and other samples

Diseases (e.g., cancer) of a particular organ can be detected by analyzing cell-free dna. Some embodiments may use an organ-associated sample that is from a particular organ or passes through the particular organ, as may occur, for example, in urine, saliva, blood, and stool samples. ... The University Of Hong Kong

05/31/18 / #20180149632

Electrochemical detector

An electrochemical detector includes a substance selection layer disposed on a semiconductor layer, and the substance selection layer is arranged to interact with a target substance so as to alter an electrical characteristic of the semiconductor layer. A method for fabricating an electrochemical detector is also disclosed.. ... The University Of Hong Kong

05/31/18 / #20180149135

Counter-rotating vertical axis wind turbine with deflector and vortex generators

A high efficiency vertical axis wind turbine (vawt) comprising two counter-rotating rotors, each comprising a plurality of straight rotor blades. One rotor is placed on a first vertical axis and another rotor is placed on a second vertical axis. ... The University Of Hong Kong

05/24/18 / #20180145339

Method of fabricating nanoporous metal structure

A method of fabricating a nanoporous metal structure, such as a nanoporous metal (nmp) supported pd catalyst suitable for use in a direct methanol fuel cell (dmfc), is includes the steps of (a) providing a piece of au55cu25si20 alloy glass ribbon with a thickness of 50 μm, (b) dealloying the piece of alloy glass ribbon by reacting with iron (iii) chloride solution to form a free-standing npm ribbon, (c) depositing a thin film of pdco of a thickness of 100 nm on the npm ribbon by rf magnetron sputtering with pd0.5co0.5 (atomic percent) as target in an argon atmosphere, and (d) electrochemically dissolving some of the co on the thin film of pdco to induce migration of au from the npm ribbon to the thin layer of pdco.. . ... The University Of Hong Kong

05/24/18 / #20180142300

Universal haplotype-based noninvasive prenatal testing for single gene diseases

To detect a fetal mutation inherited from the mother without paternal genetic information, a property of each maternal haplotype can be measured in the cell-free mixture. A separation value between values of the property for the two maternal haplotypes can be compared to thresholds to determine which haplotype is inherited. ... The University Of Hong Kong

05/24/18 / #20180142144

Luminogenic transition metal-based pyridyl complex and its use

The present invention provides a luminogenic, in particular a phosphorogenic transition metal-based pyridyl complex containing a nitrone moiety, which nitrone moiety acts as a bioorthogonal functional group and an emission quencher, and can undergo cycloaddition reaction with a complementary bioorthogonal functional group coupled to a substrate. The transition metal is can be selected from iridium or ruthenium. ... The University Of Hong Kong

05/17/18 / #20180139450

Systems and methods for rate control in video coding using joint machine learning and game theory

Systems and methods which provide a joint machine learning and game theory modeling (mlgt) framework for video coding rate control (rc) are described. A machine learning based r-d model classification scheme may be provided to facilitate improved r-d model prediction accuracy and a mixed r-d model based game theory approach may be implemented to facilitate improved rc performance. ... The University Of Hong Kong

05/17/18 / #20180135162

Metal material and a method for use in fabricating thereof

A metal material including a plurality of metal particles arranged in a crystal structure having at least two phases; wherein the at least two phases include a crystalline phase and an amorphous phase, wherein the crystalline phase includes a nanocrystalline phase and the amorphous phase includes a nanoamorphous phase.. . ... The University Of Hong Kong

05/17/18 / #20180135046

Small-interfering rna expression systems for production of small-interfering rnas and their use

A method of preparing a library of small interfering rna (sirna) expression systems for producing sirna for silencing of target genes by inducing degradation of target gene rna expression products includes: (i) isolating rna of one or more target genes from a cell population; (ii) generating rna fragments from the isolated rna; (iii) converting the rna fragments into dsdna fragments; and (iv) cloning the dsdna fragments into vectors for forming cloned vectors, each vector including one or more promoters and at least one restriction enzyme site capable of accepting the insertion of at least one dsdna fragment such that sirna can be produced. Methods for producing sirna from the sirna expression system and methods of identifying a functional target gene for treatment by using the sirna produced from the sirna expression system and for identifying rnai therapeutics are also provided.. ... The University Of Hong Kong

05/10/18 / #20180129630

Phase retrieval using coordinate descent techniques

Coordinate descent is applied to recover a signal-of-interest from only magnitude information. In doing so, a single unknown value is solved at each iteration, while all other variables are held constant. ... The University Of Hong Kong

05/10/18 / #20180128972

Spatio-temporally incremental fiber swept source

A spatio-temporally incremental fiber sweep source includes a laser light pulse generator for generating light pulses and a fiber array of individual optical fibers. The fiber array has an input end and an output end, with the fibers at the input end receiving the light pulses substantially simultaneously. ... The University Of Hong Kong

05/10/18 / #20180127867

Metallic structure and a method for use in fabricating thereof

A metallic structure includes a first plurality of metal particles arranged in an amorphous structure; a second plurality of metal particles arranged in a crystalline structure having at least two grain sizes, wherein the crystalline structure is arranged to receive the amorphous structure deposited thereon; wherein the grain size is arranged in a gradient structure.. . ... The University Of Hong Kong

05/10/18 / #20180127782

System and method for delivery of substance into mammalian cells

The present invention is concerned with a system of delivering particles of nano-scale into mammalian cells with a diameter of 50 μm or less. The system has a container containing the mammalian cells, the particles, a pressure-exerting member for generating transient apertures of substantially 1-200 nm on surface of the cells, a magnetic mechanism configured to generate a magnetic force to act on the pressure-exerting member thus to move the pressure exerting member, a control mechanism for effecting movement of the pressure-exerting member in a predetermined motion pattern, a measuring mechanism configured to indicate magnitude of pressure exerted on surface of the mammalian cells, and a monitoring mechanism.. ... The University Of Hong Kong

05/10/18 / #20180127343

Novel compounds for treating diabetes

The present invention provides a class of novel aryl pseudo-c-glycoside compounds that are effective for treating diabetes. Also provided are methods for making such compounds and methods for treating diabetes by administering such compounds to patients who have been diagnosed with diabetes or are at risk of developing diabetes.. ... The University Of Hong Kong

05/03/18 / #20180123481

Electrical apparatus and a method for fabricating an electrical apparatus

An electrical apparatus includes an electrical signal generation structure arranged to generate an electrical signal in response to a change of an external pressure subjected thereto. The electrical signal generation structure includes a fabric material. ... The University Of Hong Kong

05/03/18 / #20180120279

Air quality measurement with modular sensor system and method

An apparatus for acquiring air quality data from removable and/or replaceable sensor, processing and storing the acquired data, and transmitting the processed data to backend server is enabled. The apparatus includes a microcontroller coupled with a universal sensor interface (usi). ... The University Of Hong Kong

04/19/18 / #20180108984

Antenna assembly and self-curing decoupling method for reducing mutual coupling of coupled antennas

The disclosure provides antenna assemblies and methods for reducing mutual coupling of coupled antennas. According to an embodiment, the antenna assembly, comprises: a first antenna; and a second antenna coupled with the first antenna; wherein a first capacitive load is provided to the first antenna at a first position of the first antenna so that a mutual coupling between the first antenna and the second antenna is reduced. ... The University Of Hong Kong

04/19/18 / #20180105884

Non-invasive determination of methylome of fetus or tumor from plasma

Systems, methods, and apparatuses can determine and use methylation profiles of various tissues and samples. Examples are provided. ... The University Of Hong Kong

04/19/18 / #20180105807

Gestational age assessment by methylation and size profiling of maternal plasma dna

Temporal variations in one or more characteristics measured from a cell-free dna sample are used to estimate a gestational age of a fetus. Example characteristics include the methylation level measured from the cell-free dna sample, size of dna fragments measured from the cell-free dna sample (e.g., proportion of fetal-derived dna fragments longer than a specified size), and ending patterns of the dna fragments align to a reference genome.. ... The University Of Hong Kong

04/12/18 / #20180101416

Server farm and method for operating the same

A method for operating a server farm with a plurality of servers operably connected with each other includes: receiving a job request of a computational task to be handled by the server farm; determining, from the plurality of servers, one or more servers operable to accept the job request; determining a respective effective energy efficiency value associated with at least the one or more servers; and assigning the computational task to a server with the highest effective energy efficiency value. The effective energy efficiency value is defined by a service rate of the respective server divided by a difference between an energy consumption rate value when the respective server is busy and an energy consumption rate value when the respective server is idle. ... The University Of Hong Kong

04/05/18 / #20180093224

Emissions treatment apparatus and a method for treating emissions

An emissions treatment apparatus includes a first mechanism arranged to receive an exhaust gas, wherein the first mechanism is supplied with a first substance arranged to react with a first exhaust compound to process the exhaust gas, the first substance being chemically derived from an electrolyte source. The emissions treatment apparatus further comprises a second mechanism arranged to receive the exhaust gas after its reaction with the first exhaust compound; wherein the second mechanism receives a second substance arranged to react with a second exhaust compound to further process the exhaust gas, the second substance being chemically derived from an electrolyte source.. ... The University Of Hong Kong

04/05/18 / #20180092554

Wearable and unobtrusive multi-sensor array and method for pulse wave velocity imaging

Novel and advantageous systems, devices, and methods for pulse wave velocity (pwv) imaging that enable precise central blood pressure (bp) estimation are provided. A multi-sensor array can provide two-dimensional pwv, thereby achieving the pwv imaging and precise central bp estimation. ... The University Of Hong Kong

03/29/18 / #20180090938

Method for regulating an electrical power circuit and an electrical power regulating apparatus

An electrical power regulating apparatus includes a controller arranged to detect an electrical source characteristic of an electrical power source; and a power converter arranged to adjust an electrical load characteristic of an electrical loading stage in connection with the electrical power source based on the at least one electrical source characteristic being detected by the controller, such that the electrical power source is arranged to deliver a maximum amount of electrical power to the electrical loading stage. A method for regulating an electrical power circuit is also provided.. ... The University Of Hong Kong

03/29/18 / #20180085335

Bismuth(iii) compounds and methods thereof

The present disclosure relates to a pharmaceutical composition comprising: (a) β-lactam antibiotics and (b) a metallo-β-lactamases (mbls) inhibitor. The inhibitor relates to bi(iii) compounds or the pharmaceutically acceptable salts thereof. ... The University Of Hong Kong

03/29/18 / #20180085237

Ankle-foot prosthesis device

A powered ankle-foot prosthesis and associated methods of use are described herein. Such prostheses can employ an actuator and elastic components, the actuator being controlled to deliver net positive work to propel the wearing amputee forward and the elastic components being used to store and release negative energy to improve efficiency. ... The University Of Hong Kong

03/22/18 / #20180080050

Highly specific delivery of polynucleotides to the cell nucleus via compression

The subject invention pertains to delivering a polynucleotide into a target cell, particularly, into the nucleus of the target cell. The method comprises the steps of contacting the polynucleotide with the cell and applying pressure on the polynucleotide and the cell in a manner that forces the polynucleotide into the cell. ... The University Of Hong Kong

03/15/18 / #20180075669

Inclinometer methods and systems for generating and calibrating an in-vehicle inclination angle

Provided herein are inclinometer methods and systems for generating an in-vehicle inclination angle (θr). An inclinometer method can include measuring an acceleration ({dot over (ν)}) of a vehicle or a vehicle member, measuring a pitch angular velocity (q) of a computer, measuring a longitudinal accelerometer signal (ax,s) of the computer, generating an in-vehicle pitch angle (θ) of the vehicle or the vehicle member, calibrating an inclinometer-vehicle relative misalignment pitch offset angle (θp) of the vehicle or the vehicle member comprising a stationary-mode or a dynamic-mode, and generating an in-vehicle inclination angle (θr) of the vehicle or the vehicle member.. ... The University Of Hong Kong

03/15/18 / #20180075319

3d building extraction apparatus, method and system

Disclosed is a method for 3d building extraction, comprising: extracting building footprints from one or more stereo images for a building; determining, from rational polynomial coefficient of the stereo images, first height estimation of the extracted building footprints; obtaining, from multi-temporal sar images for the building, scatters with stable attributes; determining second height estimation for the determined scatters; and combining the first height estimation and the second height estimation to generate a fused height for each of the extracted building footprints.. . ... The University Of Hong Kong

03/15/18 / #20180074458

Efficiently generating a high quality patterned-phase-only hologram for display on a single device

System and methods for efficiently generating a high quality patterned-phase-only hologram that can be displayed on a single device are disclosed. A digital image of a holographed subject is measured as a distribution of the intensity of pixels in the image, or as an intensity image, and uniformly partitioned into a plurality of non-overlapping image blocks. ... The University Of Hong Kong

02/22/18 / #20180051324

Kit and a method for determining the presence or amount of a target nucleic acid sequence in a sample

A method for determining the presence or amount of a target nucleic acid sequence in a sample, uses magnetic particles loaded with a probe and polystyrene particles loaded with a probe, in particular a different probe, for directly or indirectly detecting the presence or amount of the target nucleic acid sequence which is in particular indicative of a disease. The methods of the present invention allow for determining target nucleic acid sequences even in low abundance and in complex samples with advantageous sensitivity and, thus, represent promising approaches which can in particular be used in the diagnosis of several diseases and health conditions. ... The University Of Hong Kong

02/15/18 / #20180048068

Aperture-coupled microstrip-line feed for circularly polarized patch antenna

An aperture coupled, single fed, microstrip line feed for a circularly polarized patch antenna is provided that can transmit transmissions with a low profile, wide impedance, and axial ratio bandwidths. The circularly polarized patch antenna includes a double sided printed circuit board with a non-linear slots etched into a ground plane of one side of the printed circuit board, with a printed microstrip line printed on the opposite side of the printed circuit board. ... The University Of Hong Kong

02/15/18 / #20180043633

System for printing an object and a method for printing an object

A system and a method for printing an object includes a display module arranged to display a two-dimensional representation within a two-dimensional space, the two-dimensional representation being arranged to represent a two-dimensional view of a three-dimensional object within the two-dimensional space; a processing module arranged to transform the two-dimensional representation into a plurality of two-dimensional expressions arranged to individually represent a portion of the three-dimensional object; and a printing module arranged to form the three-dimensional object from a fluid medium arranged to transform its physical state in response to a manipulated illumination exposed thereto, wherein the manipulated illumination exposed to the fluid medium is associated with the plurality of two-dimensional expressions disposed therebetween, and with the inner surface of the printed three-dimensional object being arranged to match the outer surface of a real-world object inserted therein.. . ... The University Of Hong Kong

02/08/18 / #20180035933

Determination of a concentration of an analyte in a subject

A method for determining a concentration of an analyte in a subject includes irradiating a part of the subject with electromagnetic radiation, wherein a part of the subject comprises biological molecules arranged to absorb the electromagnetic radiation and to emit fluorescence in response. The method also includes measuring fluorescence emitted to obtain data representative of a fluorescence decay. ... The University Of Hong Kong

02/01/18 / #20180031661

System and method for continuous wave constant amplitude on-resonance and off-resonance spin-lock for magnetic resonance imaging

Mri techniques provide robust imaging in the presence of inhomogeneity in the b1 (rf) and/or b0 magnetic fields. The techniques include using a magnetization prep sequence that includes an adiabatic half passage (ahp) followed by a spin-lock pulse, followed by a reverse ahp, after which a data acquisition sequence can be applied. ... The University Of Hong Kong

02/01/18 / #20180030609

Surface mechanical attrition treatment (smat) methods and systems for modifying nanostructures

Described herein are systems and methods for performing a surface mechanical attrition treatment (smat) to the surface of a variety of materials including thin films, nanomaterials, and other delicate and brittle materials. In an aspect, a surface of a material is modified to a modified surface and from an original state to a modified state, wherein the modified state comprises a physical modification, a chemical modification, or a biological modification. ... The University Of Hong Kong

01/25/18 / #20180026528

Power converter and power conversion method

A power converter comprising one or more switch blocks. Each switch block has: a plurality of switch-pairs each having two switches connected in series to each other; a plurality of primary nodes each interconnecting the switches in a respective switch-pair; and a plurality of secondary nodes, each switch-pair being connected in series to an adjacent switch-pair through a said secondary node to form a serial chain of switch-pairs, the secondary nodes including a secondary node at one end of said serial chain and a secondary node at another end of said serial chain. ... The University Of Hong Kong

01/25/18 / #20180025532

Electronic system for creating an image and a method of creating an image

An electronic system and a method for creating an image includes a display arranged to display a plurality of two-dimensional representations within a three-dimensional space, wherein the plurality of two-dimensional representations are arranged to individually represent a portion of a three-dimensional object within the three-dimensional space; and an imager arranged to capture the plurality of two-dimensional representations being displayed within the three-dimensional space; wherein the plurality of two-dimensional representations in a plurality of predefined positions are combined to form an image representative of the three-dimensional object within the three-dimensional space.. . ... The University Of Hong Kong

01/25/18 / #20180024127

Optochemical detector and a method for fabricating an optochemical detector

An optochemical detector and a method for fabricating an optochemical detector includes a light generation unit arranged to emit a light signal; a probe cell unit arranged to alter at least one physical characteristic of the light signal in response to an interaction with a target substance; and a light detection unit arranged to receive the light signal altered by the probe cell unit; wherein a detection of the target substance is characterized by a change in the at least one physical characteristic altered by the probe cell unit.. . ... The University Of Hong Kong

01/11/18 / #20180012613

Phonetic posteriorgrams for many-to-one voice conversion

A method for converting speech using phonetic posteriorgrams (ppgs). A target speech is obtained and a ppg is generated based on acoustic features of the target speech. ... The University Of Hong Kong

01/11/18 / #20180010253

Method and apparatus for structural coloration of metallic surfaces

Materials for, and methods of, colorizing a metallic surface with micro-gratings using vibration cutting technologies are provided. Micro-gratings on aluminum, brass, and stainless steel surfaces can be rapidly created to effect, under illumination, at least one color observable in the visible spectrum using elliptical vibration texturing, a vibration-assisted mechanical cutting process. ... The University Of Hong Kong

01/04/18 / #20180002348

Phenothiazine-pyridine compounds and uses thereof

The present invention provides a novel phenothiazine-pyridine compound that is an effective photosensitizer useful for photodynamic therapy. Also provided is a method for inhibiting cell proliferation or for treating a disease involving inappropriate cell proliferation.. ... The University Of Hong Kong

01/04/18 / #20180000725

Orally-dissolving films for drug delivery through the oral cavity

Orally dissolving films including a pharmaceutically active ingredient having a low bioavailability due to first-pass metabolism and/or low water solubility upon oral administration and a pharmaceutically acceptable excipient, and a medical application thereof.. . ... The University Of Hong Kong

12/28/17 / #20170370872

Electrochemical detector

An electrochemical detector including at least one substance selection structure disposed adjacent or proximate to an electronic device structure, wherein the substance selection structure is arranged to interact with a target substance so as to alter an electrical characteristic of the electronic device structure.. . ... The University Of Hong Kong

12/28/17 / #20170367776

Robotic catheter system for mri-guided cardiovascular interventions

Mri-guided robotics offers possibility for physicians to perform interventions remotely on confined anatomy. While the pathological and physiological changes could be visualized by high-contrast volumetric mri scan during the procedure, robots promise improved navigation with added dexterity and precision. ... The University Of Hong Kong

12/21/17 / #20170365748

Material for an electronic device

A material for an electronic device includes a substance arranged to emit light in a predetermined range of wavelength upon receiving an excitation energy, wherein the substance includes a plurality of carbon nitride particles and a siloxane material. A method of producing the material and a light emitting device including the material are also described.. ... The University Of Hong Kong

12/07/17 / #20170352492

Graphene-semiconductor based wavelength selective photodetector for sub-bandgap photo detection

Graphene photodetectors capable of operating in the sub-bandgap region relative to the bandgap of semiconductor nanoparticles, as well as methods of manufacturing the same, are provided. A photodetector can include a layer of graphene, a layer of semiconductor nanoparticles, a dielectric layer, a supporting medium, and a packaging layer. ... The University Of Hong Kong

12/07/17 / #20170349948

Detecting hematological disorders using cell-free dna in blood

Techniques are provided for detecting hematological disorders using cell-free dna in a blood sample, e.g., using plasma or serum. For example, an assay can target one or more differentially-methylated regions specific to a particular hematological cell lineage (e.g., erythroblasts). ... The University Of Hong Kong

11/30/17 / #20170347424

Facilitating improved luminance uniformity in organic light emitting diode device panels

An apparatus facilitating luminosity uniformity across an organic light emitting diode (oled) device is provided. In one embodiment, the method includes: operating an organic light emitting diode (oled) device including an anode; a semiconductor material coupled to the anode; and a cathode coupled to the semiconductor material. ... The University Of Hong Kong

11/30/17 / #20170346179

Apparatus and methods for reducing mutual couplings in an antenna array

A device is presented for improving radio frequency (rf) and microwave array antenna performance. The device sits in the near field, the reactive region, of the antenna array with a pattern of electrically isolated rectangular, cross-shaped, ell, and/or similarly-shaped patches of flat metal or other conductor in a flat plane. ... The University Of Hong Kong

11/30/17 / #20170345989

Methods of fabrication of flexible micro-thermoelectric generators

A cross-plane flexible micro-teg with hundreds of pairs of thermoelectric pillars formed via electroplating, microfabrication, and substrate transferring processes is provided herein. Typically, fabrication is conducted on a si substrate, which can be easily realized by commercial production line. ... The University Of Hong Kong

11/30/17 / #20170341937

Method of producing graphene-based materials, obtainable materials and their use

A method of producing a graphene-based material, namely a direct sonication assisted method for producing a graphene-based material, in particular comprising 2d porous graphene includes subjecting a mixture of at least one carbide compound and at least one etching compound to sonication. This method enables the production of large amounts of a graphene-based material in a short time at ambient temperature and pressure and without the need for toxic reactants. ... The University Of Hong Kong

11/23/17 / #20170333901

Cell-trapping device, apparatus comprising it and their use for microinjection into cells

A cell-trapping device includes a microchannel portion for trapping a plurality of cells with an average diameter of at most 25 μm for high-throughput microinjection of an injectant into the cells. The cell-trapping device includes a microchannel portion having formed therein a cell-trapping area including a plurality of cell-trapping microchannels configured to trap one cell per cell-trapping channel. ... The University Of Hong Kong

11/16/17 / #20170331193

Circularly polarized planar aperture antenna with high gain and wide bandwidth for millimeter-wave application

An antenna (e.g., circularly polarized (cp) planar aperture antenna) is presented herein. An antenna can include an opening cavity and a patch section within a perimeter of the opening cavity. ... The University Of Hong Kong

11/16/17 / #20170329127

Light modulator using total internal reflection at an interface with a tunable conductive layer

A light modulator (e.g., for terahertz radiation) may be constructed using a prism in which light undergoes total internal reflection (tir) at one surface. A tunable conductive layer is disposed on the tir surface. ... The University Of Hong Kong

11/09/17 / #20170324664

System and method for load balancing in a data network

A method for load balancing in a data network including a plurality of network switches includes receiving a data flow, initiating a path selection process to determine a path between a source network switch and a destination network switch, the path selection process selecting an optimal path based on congestion information of the first network switch and the congestion information of the second network switch, the optimal path corresponding to a path of minimal congestion, and transmitting the data flow along the selected path.. . ... The University Of Hong Kong

11/09/17 / #20170324319

Power controller and power control method

A power controller for an ac power converter connected in series with a load and receiving power from or delivering power to a power source, the power controller comprising: a radial control block controlling a radial component of an electrical parameter of the ac power converter; and a chordal control block controlling a chordal component of the electrical parameter of the ac power converter. Also provided is a power system comprising one or more loads each connected in series to a power converter each controlled by a power controller as described above. ... The University Of Hong Kong

11/09/17 / #20170319553

Novel polymorph of itraconazole with improved pharmaceutical properties

The present invention provides a new crystalline form of itraconazole as well as the method of making same.. . ... The University Of Hong Kong

10/26/17 / #20170311187

Facilitating interference management in multi-cell and multi-user millimeter wave cellular networks

Interference management methods are proposed to facilitate multi-cell, multi-user millimeter wave cellular networks. One method includes a feedback approach in which a base station (bs) device collects information from mobile devices in the cell operated by the bs device and other bs devices in other cells. ... The University Of Hong Kong

10/12/17 / #20170294886

Facilitation of increased bandwidth for a low noise amplifier

Amplifiers can be used for a variety of electronic-based applications. Therefore, amplifier performance is of importance. ... The University Of Hong Kong

10/12/17 / #20170292935

Evanescent-wave quartz-enhanced photoacoustic sensor with resonator elements

A novel evanescent-wave quartz-enhanced optical microfiber photoacoustic gas sensor is provided for detecting trace amounts of gas. Both fiber-taper based evanescent field and photoacoustic spectroscopy can be used to exploit the merits of both technologies. ... The University Of Hong Kong

10/12/17 / #20170292886

Electric device for detecting pressure

An electric device for detecting pressure and a pressure sensor includes an electric current channel arranged to conduct an electric current, wherein the electric current channel is disposed adjacent or proximate to a pressure sensitive structure. Upon the pressure sensitive structure being subjected to a change of an external pressure, the pressure sensitive structure is arranged to manipulate a first electrical characteristic of the electric current channel.. ... The University Of Hong Kong

10/12/17 / #20170291923

Antibacterial cyclic lipopeptides

Described are design and generation of a set of novel cyclic lipopeptides as potential antibacterial agents. New daptomycin analogues are generated by chemical synthesis, which makes introduction of an unnatural amino acid and any modification into daptomycin possible.. ... The University Of Hong Kong

10/05/17 / #20170283876

Biomarker rnf6 for colorectal cancer

The present invention provides a method for diagnosing of colorectal cancer in a subject and a method for determining risk of recurrence of colorectal cancer among colorectal cancer patients by detecting overexpression of the rnf6 gene, which in some cases is due to a higher than normal copy number of the genomic sequence of this gene. A kit and device useful for such methods are also provided. ... The University Of Hong Kong

10/05/17 / #20170283875

Biomarker foxf2 for gastric cancer

The present invention provides a method for diagnosing and determining prognosis of gastric cancer in a subject by detecting suppressed expression of the foxf2 gene, which in some cases is due to elevated methylation level in the genomic sequence of this gene. A kit and device useful for such a method are also provided. ... The University Of Hong Kong

10/05/17 / #20170281591

Prodrug of green tea epigallocatechin-3-gallate (pro-egcg) for use in the treatment of endometriosis

Method of treating endometriosis and related indications, comprising the administration of pro-egcg, a synthetic and derivative product of epigallocatechin-3-gallate [(−)-egcg]. Use of pro-egcg in the manufacture of a medicament for treating endometriosis and related indications. ... The University Of Hong Kong

09/28/17 / #20170278244

Method and a system for non-rigid image registration

Disclosed is a method for non-rigid image registration, comprising: dividing a subject image and a target image into a plurality of subject sub-images and a plurality of target sub-images, respectively; registering, in parallel, each of the subject sub-images and the corresponding one of the target sub-images to obtain a transformation matrix of the each of the subject sub-images relative to the corresponding one of the target sub-images; transforming, based on by the obtained transformation matrices, the subject sub-images into images corresponding to the target sub-images; and merging the transformed images to form a final registered image having the resolution of the target image. A system and a device for non-rigid image registration are also enclosed within the disclosure.. ... The University Of Hong Kong

09/28/17 / #20170273552

Visual disability detection system using virtual reality

Techniques for a visual disability detection system that employs virtual reality to assess visual performance of a patient based on activities of daily living are described. The virtual reality platform can integrate the testing of different components of visual function based on activities of daily living to provide a direct and clinically relevant measure of the impact of any visual disability on a patient's daily life. ... The University Of Hong Kong

09/21/17 / #20170268062

Biomarker scnn1b for gastric cancer

The present invention provides a method for diagnosing and determining prognosis of gastric cancer in a subject by detecting suppressed expression of the scnn1b gene, which in some cases is due to elevated methylation level in the genomic sequence of this gene. A kit and device useful for such a method are also provided. ... The University Of Hong Kong

09/21/17 / #20170267837

Compositions and methods relating to living supramolecular polymerization and polymers

A supramolecular polymer with living characteristics is provided based on small molecules or metal complexes of a planar or linear geometry and a polymer. The small molecules are solvophobic and can associate or assemble with each other through non-covalent interactions such as but not limited to metal-metal, π-π, hydrogen-bonding, and/or solvophobic-solvophobic interactions, in the modulation of the polymer. ... The University Of Hong Kong

09/14/17 / #20170262611

Modeling method for orthopedic casts

A computer-implemented method for modeling an orthopedic cast, including scanning an injured limb to extract raw body data; determining, from the extracted raw body data, a target portion data of the injured limb, the determined data representing a fine cast surface for the orthopedic cast; patterning the fine cast surface to form a ventilation structure and a blank area thereon; forming an opening gap on the blank area for assembling and disassembling the orthopedic cast; and offsetting the cast surface in parallel to thicken the orthopedic cast.. . ... The University Of Hong Kong

09/14/17 / #20170262317

System and method for operating a server farm

A method for operating a server farm with a plurality of servers operably connected with each other includes the steps of: sorting the plurality of servers according to a respective energy efficiency value associated with each of the plurality of servers; defining a virtual server by selectively joining two or more of the servers with the highest energy efficiency values; receiving a job request of a computational task to be handled by the server farm; and assigning the computational task to one of the plurality of servers for processing based on a job assignment policy, the job assignment policy being arranged to give preference to assigning the computational task to the servers of the virtual server for processing so as to maximize an energy efficiency of the server farm.. . ... The University Of Hong Kong

09/07/17 / #20170257635

Rate control for content transcoding

The disclosed subject matter relates to rate control aspects for content transcoding. A rate control scheme for transcoding is disclosed that is considerate of quantization parameters related to an encoded input content stream and when transcoding the input content stream into an output content stream. ... The University Of Hong Kong

08/31/17 / #20170250473

Waveguide fed and wideband complementary antenna

A complementary antenna (e.g., wideband complementary antenna) is presented herein. A complementary antenna can include a first dipole portion, a second dipole portion, a first electrically conductive surface, and a second electrically conductive surface. ... The University Of Hong Kong

08/24/17 / #20170244037

Semiconductor film and method of forming the same

A method of forming a semiconductor film at pressure between 10−5 atm and 10 atm in the presence of a substrate includes (i) providing a precursor material in a reaction container; (ii) arranging the substrate on the reaction container such that a conductive surface of the substrate is facing towards the precursor material; and (iii) conducting a heat treatment to deposit a semiconductor layer on the conductive surface of the substrate. A semiconductor film is obtained from this method and a device comprising such semiconductor film is also provided.. ... The University Of Hong Kong

08/24/17 / #20170243097

Method and apparatus for decoding or generating multi-layer color or code, method for recommending setting parameters in generation of multi-layer or code, and product comprising multi-layer color or code

The present invention discloses a system and a method for decoding qr codes in complex scenes, a system and a method for generating multi-layer color qr codes and applications enabled by the systems and methods. The method for decoding a qr code may include detecting rough locations of the qr code by a learning-based qr code detector which is pre-trained off-line; localizing finder patterns and alignment patterns within each detected location; correcting geometric distortion of each qr code, based on the localized finder patterns and alignment patterns; restoring a color of each data module within each corrected qr code by a learning-based classifier; and decoding the qr code from each restored qr code. ... The University Of Hong Kong

08/17/17 / #20170237333

Circuit arrangement for filtering an electric current

A circuit arrangement for filtering an electric current, wherein the circuit arrangement is arranged between a power source providing the electric current and a load; and the electric current includes a first current component and a second current component. The circuit arrangement includes a first circuit arranged to receive and filter the first current component, a current control device arranged to receive and regulate the second current component so as to provide a regulated current to the load, and a control circuit arranged to provide a control signal to the current control device so as to control regulation of the second current component. ... The University Of Hong Kong

08/17/17 / #20170237176

Differential planar aperture antenna

A planar differential aperture antenna that has a high gain and wide bandwidth at a millimeter wave band is provided. The differential aperture antenna has a cavity within it that has a height of roughly a quarter of a wavelength of the desired transmission band. ... The University Of Hong Kong

08/17/17 / #20170235877

Size-based analysis of tumor dna

A classification of a level of cancer in an organism is determined by analyzing a biological sample of the organism. The biological sample comprises clinically-relevant dna and other dna. ... The University Of Hong Kong

08/17/17 / #20170233829

Detecting chromosomal aberrations associated with cancer using genomic sequencing

Methods, systems, and apparatus determine whether a first chromosomal region exhibits a deletion or an amplification associated with cancer in a sample from a subject (e.g., where the sample includes a mixture of cell-free dna from tumor cells and non-malignant cells. Nucleic acid molecules of the biological sample are sequenced. ... The University Of Hong Kong

08/17/17 / #20170233442

Peptidylyic inhibitor targeting cag-repeat rna toxicity in polyglutamine diseases

The present invention provides for a novel peptide and method for treating polyglutamine (polyq) diseases. Also disclosed are related compositions and kits for therapeutic use in the treatment of polyq diseases.. ... The University Of Hong Kong

08/03/17 / #20170222164

Luminescent tetradentate gold(iii) compounds for organic light-emitting devices and their preparation

A highly rigid tetradentate ligand is combined with a gold(iii) ion as a thermally stable tetradentate gold(iii) complex. The tetradentate gold(iii) complex is a tetradentate gold(iii) compound that can be used as a light-emitting material which can be used for fabricated of light-emitting devices such as an organic light-emitting diode (oled). ... The University Of Hong Kong

08/03/17 / #20170220736

Determining progress of chromosomal aberrations over time

Systems, apparatus, and methods are provided for determining aberrations in a biological sample from an organism. Biological samples including cell-free dna fragments are analyzed to identify imbalances in chromosomal regions, e.g., due to deletions and/or amplifications in a tumor. ... The University Of Hong Kong

08/03/17 / #20170219636

Order o(1) algorithm for first-principles calculation of transient current through open quantum systems

A fast algorithm is used to study the transient behavior due to the step-like pulse. This algorithm consists of two parts: the algorithm i reduces the computational complexity to t0n3 for large systems as long as t<n; the algorithm ii employs the fast multipole technique and achieves scaling t0n3whenever t<n2 beyond which it becomes t log2 n for even longer time. ... The University Of Hong Kong

08/03/17 / #20170219549

Chemosensing hydrogel for the detection of biogenic amines

A chemosensing hydrogel is provided that undergoes a colorimetric reaction in response to the detection of a biogenic amine vapor, such as a biogenic amine vapor that is a by-product resulting from food spoilage. In an embodiment, an apparatus for detection of biogenic amines, is provided that includes a hydrogel having a bimetallic iron(ii)-iron(iii) complex disposed within the hydrogel, wherein the hydrogel is configured to change from a first color to a second color in response to exposure to a biogenic amine.. ... The University Of Hong Kong

08/03/17 / #20170218450

Detecting genetic aberrations associated with cancer using genomic sequencing

Methods, systems, and apparatus determine whether a first chromosomal region exhibits a deletion or an amplification associated with cancer in a sample from a subject (e.g., where the sample includes a mixture of cell-free dna from tumor cells and non-malignant cells. Nucleic acid molecules of the biological sample are sequenced. ... The University Of Hong Kong

07/20/17 / #20170207389

Platinum complexes for blue oled application

Described herein are compounds that are platinum emitters and, more particularly compounds that are platinum emitters of blue light and their applications in blue emitting organic light-emitting diodes (oled). Also disclosed herein are devices that comprise the platinum emitters and methods of making and using the platinum emitters.. ... The University Of Hong Kong

07/20/17 / #20170204161

Fast and efficient conjugation method based on thiourea-catechol coupling

The present invention provides novel methods and compositions useful for a fast and efficient chemical conjugation method of making hetero-arm polymers based on thiourea-catechol coupling. This novel conjugation method are useful in a wide variety of applications relating to the modification, ligation, and conjugation of large or small molecules to each other as well as to solid surface, including the making of adhesive materials such as hydrogels.. ... The University Of Hong Kong

07/13/17 / #20170202071

Correlated colour temperature control system and method

A correlated colour temperature control system (1) for a led lighting system (2) having at least two led sources (3, 4) with different correlated colour temperatures. The led lighting system (2) has a combined correlated colour temperature resulting from the combination of the different correlated colour temperatures of the at least two led sources (3, 4), and a combined luminous flux resulting from the combination of the luminous fluxes of the at least two led sources (3, 4), with each led source being supplied with a supply current. ... The University Of Hong Kong

07/13/17 / #20170198302

Methods and systems for targeted gene manipulation

The present invention provides novel methods and systems, including cell lines, recombinant polynucleotide constructs, compositions, and kits, for targeted yet universal genomic manipulation.. . ... The University Of Hong Kong

07/13/17 / #20170196998

Nanoparticle contrast agent for early diagnosis of alzheimer's disease by magnetic resonance imaging (mri)

The disclosure herein relates to a novel nanoparticle that can cross the blood-brain barrier and form a bond with amyloid plaques and other related protein aggregates for detection by magnetic resonance imaging (mri). The compositions, methods of making, and methods of use set forth herein also provide a non-invasive means for diagnosing alzheimer's disease at an early stage.. ... The University Of Hong Kong

07/06/17 / #20170195914

Hardware acceleration for batched sparse codes

Hardware acceleration for batched sparse (bats) codes is enabled. Hardware implementation of some timing-critical procedures can effectively offload computationally intensive overheads, for example, finite field arithmetic, gaussian elimination, and belief propagation (bp) calculations, and this can be done without direct mapping of software codes to a hardware implementation. ... The University Of Hong Kong

06/29/17 / #20170188002

Auxiliary data for artifacts - aware view synthesis

Original or compressed auxiliary data, including possibly major depth discontinuities in the form of shape images, partial occlusion data, associated tuned and control parameters, and depth information of the original video(s), are used to facilitate the interactive display and generation of new views (view synthesis) of conventional 2d, stereo, and multi-view videos in conventional 2d, 3d (stereo) and multi-view or autostereoscopic displays with reduced artifacts. The partial or full occlusion data includes image, depth and opacity data of possibly partially occluded areas to facilitate the reduction of artifacts in the synthesized view. ... The University Of Hong Kong

06/29/17 / #20170181986

Small molecule inhibitors targeting cag-repeat rna toxicity in polyglutamine diseases

The present invention provides for a novel method for treating polyglutamine (polyq) diseases. Also disclosed are related compositions and kits for therapeutic use in the treatment of polyq diseases.. ... The University Of Hong Kong

06/22/17 / #20170179846

Self-driven ac-dc synchronous rectifier for power applications

Systems, methods, and devices that employ self-driven gate-drive circuitry to facilitate controlling power switches to emulate a diode bridge to synchronously rectify a power signal are presented. A single-phase or multi-phase synchronous rectifier can comprise at least a first pair of switches of a first conducting path and a second pair of switches of a second conducting path that can form or emulate a diode bridge. ... The University Of Hong Kong

06/22/17 / #20170176733

System and method for manipulating an object for imaging

A method for manipulating an object for imaging by an imaging device includes the steps of rotating the object about a rotation axis into a plurality of angular positions; capturing an image of the object at each of the plurality of angular positions; and determining a respective translation required of the object for the plurality of angular positions, the translation being along a plane substantially orthogonal to the rotation axis; wherein the respective translation is arranged to align the object to the rotation axis so as to maintain the object within a field of view of the imaging device.. . ... The University Of Hong Kong

06/22/17 / #20170175720

Nanomotor propulsion

Self-propelling, programmable nanoscopic motors capable of harvesting energy from absorbed photons and undergoing subsequent photoeletrochemical (pec) reactions are provided. A nanomotor can have a three-dimensional janus configuration and can sense the direction of a light source. ... The University Of Hong Kong

06/22/17 / #20170175195

Methods for assessing liver pathologies

The present invention provides a new method for detecting or monitoring a liver disease in a subject that has no indication of any liver pathologies, by measuring the amount of concentration of albumin mrna in an acellular blood sample from the subject, and then comparing the amount or concentration of albumin mrna with a standard control.. . ... The University Of Hong Kong

06/22/17 / #20170172430

Method for measuring cardiovascular and respiratory parameters based on multi-wavelength photoplethysmography

Accurate and effective methods for measuring cardiovascular and respiratory parameters are provided. The method for deriving a depth-specific photoplethysmography (ppg) signal from multi-wavelength ppg signals includes choosing light wavelength combinations, calibrating a multi-layer light-tissue interaction model referring to a physiological signal, and generating the depth-specific ppg signal from the multi-wavelength ppg signals based on the calibrated light-tissue interaction model. ... The University Of Hong Kong

06/15/17 / #20170166862

Substrate for a three-dimensional cell culture, its preparation and use

A layered material suitable as substrate for a three-dimensional cell culture includes a transparent carrier layer and a transparent conductive layer as well as a photoconductive layer comprising titanium oxide phthalocyanine. A method for producing the layered material and an article comprising it and a receiving unit are disclosed. ... The University Of Hong Kong

06/08/17 / #20170162900

High-energy density and low-cost flow electrochemical devices

The invention provides novel high-energy density and low-cost flow electrochemical devices incorporating solid-flow electrodes, and further provides methods of using such electrochemical devices. Included are anode and cathode current collector foils that can be made to move during discharge or recharge of the device. ... The University Of Hong Kong

06/08/17 / #20170161943

Apparatus for generating a display medium, a method of displaying a visible image and a display apparatus

An apparatus for generating a display medium includes a medium generating module arranged to selectively generate at least one portion of the display medium within a predetermined three-dimensional space, wherein the at least one portion of the display medium is arranged to receive an optical signal representing a visible image so as to display a portion or whole visible image within the predetermined three-dimensional space.. . ... The University Of Hong Kong

06/08/17 / #20170157261

Gold porphyrin-peg conjugates and methods of use

Disclosed are conjugates, compositions, and methods that include or use one or more gold(iii) porphyrin complexes. Preferred conjugates are gold(iii) porphyrin-poly(ethylene glycol) (peg) conjugates. ... The University Of Hong Kong

06/01/17 / #20170154737

Polyelectrolyte, production and use thereof in energy storage devices

A new multifunctional polyelectrolyte, particularly suitable for a solid-state supercapacitor, is obtainable or obtained by reacting an effective amount of vinyl hybrid silica nanoparticles (vsnps) and a compound having a structural unit based on acrylic acid or a structural unit derived therefrom in the presence of a polymerization initiator. The polyelectrolyte allows for an advantageous tunable ionic conductivity, exceptional self-healability and super-stretchability. ... The University Of Hong Kong

06/01/17 / #20170152286

Stapled helical peptides and methods of synthesis

The present disclosure relates to the design and generation of stapled helical peptides that perturb protein-protein interactions (ppis). The methods disclosed herein for preparing stapled peptides involve providing a peptide having a first amino acid that is functionalized with a salicylaldehyde ester side group and a second amino acid functionalized with a 1,2-hydroxyl amine side group; reacting the first and second amino acids to generate an n,o-benzylidene acetal moiety; and performing acidolysis of the resultant n,o-benzylidene acetal moiety to generate the stapled peptide. ... The University Of Hong Kong

06/01/17 / #20170151327

Induction of immunotolerance

The present invention provides for a novel method for inhibiting an undesirable immune response, especially in transplant recipients such as those having received an allogeneic stem cell transplant. Also disclosed are related compositions and kits for inducing immunotolerance.. ... The University Of Hong Kong

05/18/17 / #20170140870

Wireless power transfer system

Novel and advantageous insulator discs with embedded resonator coils are provided. By linking the insulator discs in a series using an appropriate mechanical mechanism, the insulator discs form an insulator or insulator string for a high power transmission line system. ... The University Of Hong Kong

05/11/17 / #20170132363

Size-based analysis of tumor dna

A classification of a level of cancer in an organism is determined by analyzing a biological sample of the organism. The biological sample comprises clinically-relevant dna and other dna. ... The University Of Hong Kong

04/27/17 / #20170114396

Detecting bacterial taxa for predicting adverse pregnancy outcomes

It provides a method for predicting the risk of an adverse pregnancy or neonatal outcome for a pregnant subject by detecting the elevated level of bacteria from one or more selected bacterial taxa (e.g., genera or species). A kit useful for such a method is also provided. ... The University Of Hong Kong

04/27/17 / #20170114275

Phosphorescent transition metal complex, its preparation and use

A phosphorescent transition metal complex especially suitable as sensor for hydrogen peroxide in cells, in particular in mitochondria in live cells, includes a metallic central atom, which is a transition metal, a first ligand with at least one pyridine ring, and a second ligand having at least one pyridine ring and at least one structural component selected from the group of 1,2-diketone moiety and an arylboronate moiety. A method for preparing the metal complex is also disclosed as well as a method of detecting hydrogen peroxide in cells by incubating cells with the transition metal complex. ... The University Of Hong Kong

04/20/17 / #20170110679

Simple approach for preparing post-treatment-free solution processed non-stoichiometric niox nanoparticles as conductive hole transport materials

High-quality non-stoichiometric niox nanoparticles are synthesized by a facile chemical precipitation method. The niox film can function as an effective p-type semiconductor or hole transport layer (htl) without any post-treatments, while offering wide temperature applicability from room-temperature to 150° c. ... The University Of Hong Kong

04/13/17 / #20170104217

Material for use in a battery, a battery and a method of manufacturing a material for use in a battery

. . A material for use in a battery includes an active material arranged to undergo chemical reaction during charging and/or discharging of the battery, and a coating material coated on the active material, wherein the coating material is arranged to prevent the active material from cracking during charging and/or discharging of the battery.. . ... The University Of Hong Kong

04/13/17 / #20170101781

Composite material based panel

A composite material panel includes a substrate formed of a first material; one or more strands formed from a second material, the strands being interspersed through the substrate, the second material being a natural material, the second material providing modified mechanical properties of the composite material panel.. . ... The University Of Hong Kong

04/06/17 / #20170096739

Homogeneous and transparent protective coatings for precious metals and copper alloys

Homogeneous and transparent protective coatings for precious metals and copper alloys and techniques for forming the coatings on precious metals and copper alloys are provided. In an embodiment, ionic oxide film is deposited onto a surface of a substrate including a metal, such as a precious metal and/or a copper alloy, using pulsed chemical vapor deposition (pcvd). ... The University Of Hong Kong

03/30/17 / #20170093666

Loss-resilient protocols for communication networks

Bats protocols may be utilized for high efficiency communication in networks with burst or dependent type losses. Systematic recoding at intermediate network nodes may be utilized to reduce the computational cost during recoding. ... The University Of Hong Kong

03/30/17 / #20170093039

Antenna

An antenna for use in a communication system with a number of plates connected to a ground plane, where when the number of plates are excited by at least two electrical signals, the number of plates are arranged to radiate at least two electromagnetic signals each having an independent resonant frequency.. . ... The University Of Hong Kong

03/30/17 / #20170090418

Holographic encryption of multi-dimensional images and decryption of encrypted multi-dimensional images

Cryptographic techniques for encrypting images, and decrypting and reconstructing images, are provided to facilitate preventing unauthorized access to images. A holographic cryptographic component (hcc) generates complex holograms of multi-dimensional source images of a multi-dimensional object scene. ... The University Of Hong Kong

03/30/17 / #20170088903

Method and means for identification of animal species

The present invention is concerned with a method of rapid identification of a mammalian species origin or mammalian species origins of a sample.. . ... The University Of Hong Kong

03/23/17 / #20170084442

Method and system of atmospheric pressure megavolt electrostatic field ionization desorption (apme-fid)

On field ionization under ambient conditions is described and applied on both ionization and desorption of various chemicals and biochemical present on the surface of materials in solid, liquid or gas states. The atmospheric pressure megavolt electrostatic field ionization desorption (apme-fid) method generates ions directly from the surface of samples connected to a high electrical voltage at megavolt conditions. ... The University Of Hong Kong

03/23/17 / #20170082845

High-speed binary laser beam shaping and scanning

A device for shaping and scanning an ultrafast laser beam including a laser source configured to output a pulsed laser beam containing different frequency spectrum; a digital micromirror device (dmd) consisting of a plurality of micromirrors, configured to receive the laser beam and shape the received laser beam with a first angular dispersion; and a dispersion compensation unit, arranged before or after the dmd, configured to transfer the laser beam from the laser source to the dmd with a second angular dispersion for neutralizing the first angular dispersion.. . ... The University Of Hong Kong

03/23/17 / #20170081720

Accurate deduction of fetal dna fraction with shallow-depth sequencing of maternal plasma

Embodiments of the present invention provide methods, systems, and apparatus for deducing the fetal dna fraction in maternal plasma without using paternal or fetal genotypes. Maternal genotype information may be obtained from a maternal-only dna sample or may be assumed from shallow-depth sequencing of a biological sample having both maternal and fetal dna molecules. ... The University Of Hong Kong

03/16/17 / #20170077665

Diamond maser and microwave amplifier

Masers and microwave amplifiers that can function in the continuous-wave mode at room temperature are provided. The maser system can include a diamond gain medium having nitrogen-vacancy centers, and a resonator can be disposed around the gain medium. ... The University Of Hong Kong

03/16/17 / #20170077500

Copper substituted compound, cathode of batttey comprising same, and battery comprising such cathode

There is provided a compound for use as material in cathode of a battery. The compound has i) at least sodium or ii) sodium and lithium as a first ingredient, copper as a second ingredient, at least a first transition metal in a third ingredient (m) selected from a group including manganese, nickel, iron, copper, zinc, chromium, vanadium, titanium, molybdenum and tungsten, niobium; and oxygen as a fourth ingredient; and wherein the compound has a chemical formula of naycuxm1-xo2, or lianabcuxmi-xo2.. ... The University Of Hong Kong

03/16/17 / #20170073774

Detecting mutations for cancer screening and fetal analysis

Embodiments are related to the accurate detection of somatic mutations in the plasma (or other samples containing cell-free dna) of cancer patients and for subjects being screened for cancer. The detection of these molecular markers would be useful for the screening, detection, monitoring, management, and prognostication of cancer patients. ... The University Of Hong Kong

03/16/17 / #20170071918

Combination use of cd47 antibodies/inhibitors with sorafenib for treatment of liver cancer

The subject invention pertains to methods, and related compositions, for treating or inhibiting liver cancer, comprising administering an effective amount of sorafenib; and an inhibiting agent selected from a cd47 inhibiting agent, a nf-κb inhibiting agent, and combination thereof.. . ... The University Of Hong Kong

03/09/17 / #20170067844

Electrochemical detector

A system and method for an electrochemical detector includes a plurality of receptors disposed on a semiconductor layer, wherein the plurality of receptors are arranged to interact with a target substance so as to alter an electrical characteristic of the semiconductor layer.. . ... The University Of Hong Kong

03/02/17 / #20170064701

Message coding for ncma-based multiple access networks

Computationally efficient message encoding and decoding schemes for ncma-based multiple access networks are enabled. Belief propagation decoding of fountain codes designed for ncma-based multiple access networks may be enhanced using gaussian elimination. ... The University Of Hong Kong

03/02/17 / #20170063541

Multivariate cryptography based on clipped hopfield neural network

The systems and methods disclosed herein, in one aspect thereof, can encrypt and decrypt messages using a multivariate extended clipped hopfield neural network that uses a diffie-hellman like key exchange algorithm. The proposed cryptosystem comprises three stages that are involved in the communication. ... The University Of Hong Kong

03/02/17 / #20170063472

Electronic apparatus for use in a communication system

A system and method of an electronic apparatus for use in a communication system includes a switching module arranged to combine a plurality of input signals received by a plurality of input ports in connection with the switching module to define a combined input signal having a plurality of frequency components; and a loading module arranged to receive the combined input signal from the switching module and to individually separate each of the plurality of frequency components of the combined input signal by processing the combined input signal with a plurality of resonating networks, each arranged to resonate at a resonance frequency associated with each of the plurality of frequency components of the combined input signals.. . ... The University Of Hong Kong

03/02/17 / #20170062933

Air-filled patch antenna

Disclosed is an air-filled patch antenna, comprising: a ground plane; a patch arranged to be in parallel to the ground plane; four inherent metal legs extending from the patch perpendicularly, wherein each of distal ends of the four legs is electrically and mechanically connected to the ground plane; and a feeding structure configured to provide a signal interface to the antenna.. . ... The University Of Hong Kong

03/02/17 / #20170062896

Converting a single-ended signal to a differential signal

A single-ended signal can be converted to a differential signal or reverse. A printed circuit board component can comprise a bottom metal layer and a top metal layer, wherein the bottom metal layer is connected to the top metal layer by an array of metal posts, and wherein the array of metal posts is arranged to form a substrate integrated waveguide network configured to transmit a set of electromagnetic waves corresponding to a single-ended signal represented according to a bandwidth. ... The University Of Hong Kong

03/02/17 / #20170062000

Multistable structure and a method for making thereof

A multistable structure including local portions arranged to undergo processing by at least one of the physical treatment and chemical treatment so as to form localized stimulations of the treated portions; wherein the treated portions are arranged to interact with the untreated portion of the structure to form a prescribed residual stress distribution associated with the treated portions and the untreated portion of the structure, the prescribed residual stress distribution being arranged to provide at least one alternative stable configuration to the structure.. . ... The University Of Hong Kong

03/02/17 / #20170060089

Fast generation of digital holograms

Fast processing of information represented in digital holograms is provided to facilitate generating a hologram for displaying three-dimensional (3-d) holographic images representative of a 3-d object scene on a display device. A holographic generator component (hgc) can receive or generate visual images, comprising depth and parallax information, of a 3-d object scene. ... The University Of Hong Kong

03/02/17 / #20170059571

Pleural fluid markers for malignant pleural effusions

Methods of diagnosis and/or prognosis of malignant disease from pleural effusion samples are disclosed. The methods typically include determining the normalized intensity of one or more biomarkers, such as acetone and 3-hydroxybutyate, in pleural effusion samples using nuclear magnetic resonance (nmr), such as proton nmr (1h-nmr) spectroscopy. ... The University Of Hong Kong

02/23/17 / #20170053751

Repairable electrical component

A repairable electrical component includes one or more electrodes and a pliable casing, the one or more electrodes positioned within the pliable casing, wherein the repairable electrical component is configured to self-repair if the repairable electrical component or any part of the repairable component is partially damaged. A method of forming a repairable electrical component includes forming one or more electrodes, the electrodes comprising a core, an intermediate layer of ferromagnetic material and a pyrrole based material defining an outer layer, the outer layer encapsulating the core and ferromagnetic layer, positioning the one or more electrodes within an electrolyte, providing a casing to enclose the one or more electrodes and the electrolyte, the casing formed from a polyurethane material.. ... The University Of Hong Kong

02/23/17 / #20170050997

Heterodinuclear platinum-ruthenium complexes, preparation thereof and therapeutic use thereof

A novel class of heterodinuclear pt—ru complexes are provided, and the methods for preparing the complexes are described. The inhibitory activities of the heterodinuclear pt—ru complexes against cancer/tumor cell growth, including cancer/tumor cells having a resistance to cisplatin, are further demonstrated.. ... The University Of Hong Kong

02/16/17 / #20170044606

Single-molecule sequencing of plasma dna

Embodiments may include a method of determining a nucleic acid sequence. The method may include receiving a plurality of dna fragments. ... The University Of Hong Kong








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