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Drexel University patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Drexel University-related inventors


Multi-temporal information object incremental learning software system

An incremental author disambiguation framework may create new clusters to accommodate new data based on the existing cluster results and newly added data. The proposed system may provide frequent update of taxonomic classification, name disambiguation and many other applications because it takes less time to generate new results. ... Drexel University

Direct integration of individually controlled pixels into a knitted fabric matrix

A flexible and scalable emissive fabric display with individually controllable pixels disposed within a fabric matrix. The pixels may include areas where electroluminescent thread contact conductive threads, and take the form of either individual stitches, or contact points between perpendicularly inlayed conductive threads and electroluminescent threads. ... Drexel University

Novel sigma receptor ligands and methods of modulating cellular protein homeostasis using same

The present invention includes compounds useful in preventing, treating or ameliorating sigma-related disorders or diseases. The compounds of the invention may modulate cellular protein homeostasis, which includes: translation initiation, folding, processing, transport, and degradation (including ubiquitin selective autophagy) of proteins. ... Drexel University

Hybrid electrolytes with controlled network structures for lithium metal batteries

Solid polymer electrolytes (spes) with tunable network structures are prepared by a facile one-pot reaction of polyhedral oligomeric silsesquioxane (poss) and poly(ethylene glycol) (peg). These spes with high conductivity and high modulus exhibit superior lithium dendrite growth resistance even at high current densities. ... Drexel University

Use of cymanquine compounds as antimalarial agents

Organometallic compounds comprising a chloroquinoline moiety for use in the prophylaxis and treatment of malaria. The compounds can be manganese or rhenium complexes of a ligand comprising a chloroquinoline moiety.. ... Drexel University

Heterogeneous filaments,methods of producing the same, scaffolds, methods of producing the same, droplets, and methods of producing the same

One aspect of the invention provides a method of producing a heterogeneous filament. The method includes applying pressure to a plurality of filament components to move the filament components into a common outlet channel. ... Drexel University

Flexible and conductive waste tire-derived carbon/polymer composite paper as pseudocapacitive electrode

A method of making a supercapacitor from waste tires, includes the steps of providing rubber pieces and contacting the rubber pieces with a sulfonation bath to produce sulfonated rubber; pyrolyzing the sulfonated rubber to produce a tire-derived carbon composite comprising carbon black embedded in rubber-derived carbon matrix comprising graphitized interface portions; activating the tire-derived carbon composite by contacting the tire-derived carbon composite with a specific surface area-increasing composition to increase the specific surface area of the carbon composite to provide an activated tire-derived carbon composite; and, mixing the activated tire-derived carbon composite with a monomer and polymerizing the monomer to produce a redox-active polymer coated, activated tire-derived carbon composite. The redox-active polymer coated, activated tire-derived carbon composite can be formed into a film. ... Drexel University

Multi-site probe and combinatoric method

A multi-site probe for interfacing with the central nervous system includes one more structures disposed perpendicularly on a backing layer, where each structure includes a braided sleeve over a flexible or rigid core, and a delivery-vehicle. The structures may include optrodes and electrodes. ... Drexel University

Method to produce micro and nanofibers with controlled diameter and large yield

A method for producing microfibers includes the steps of (a) providing a base material; (b) forming the base material in a ring; (c) gripping opposing ends of the ring; (d) flipping one of the opposing ends relative to the other of the opposing ends, forming an upper portion and a lower portion; (e) folding the upper portion onto the lower portion; (f) stretching the folded upper and lower portions; and repeating steps (d)-(f) as desired. Different apparatuses for performing the method are also provided.. ... Drexel University

Direct incorporation of natural gas into hydrocarbon liquid fuels

The present invention provides a method of incorporating a gaseous hydrocarbon into a liquid hydrocarbon. The method comprises steps of exposing a gaseous hydrocarbon to non-thermal plasma generated using a reduced electric field with an e/n ratio in a range of from about 10 to about 30 td to activate the gaseous hydrocarbon, and contacting the activated gaseous hydrocarbon with the liquid hydrocarbon to incorporate the gaseous hydrocarbon into the liquid hydrocarbon. ... Drexel University

Optimal real-time outcome-based ventilation rate control for buildings

The framework herein may be called outcome-based ventilation (obv) for evaluating ventilation rates (vr) in commercial buildings and using a system to make informed control decisions based on the resultant indoor air quality (iaq) and energy consumption outcomes.. . ... Drexel University

Dual-pump continuous-flow total artificial heart

A total artificial heart for a mammalian cardiovascular system is provided. The total artificial heart has a pump casing including an outer housing and an integral hollow support shaft extending therethrough. ... Drexel University

Inhibitors of rad52 recombination protein and methods using same

The present invention includes novel rad52 inhibitors for preventing or treating cancers in a subject in need thereof. The present invention further includes a method of preventing or treating cancers in a subject in need thereof, the method comprising administering to the subject an effective amount of a compound of the invention. ... Drexel University

Tin sulfide quantum dots for in vivo near infrared imaging

An aqueous approach to synthesize capped sns quantum dots (qds) followed by optional capping molecule extension by attaching one or more extending molecules to the capping molecule via peptide bond formation at elevated temperature. The capped sns qds may have a capping molecule:sn:s molar ratio of 16:3:1 to 16:12:1. ... Drexel University

04/19/18 / #20180108910

Two-dimensional, ordered, double transition metals carbides having a nominal unit cell composition m'2m"nxn+1

The present disclosure is directed to compositions comprising at least one layer having first and second surfaces, each layer comprising: a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of m′2m″nxn+1, such that each x is positioned within an octahedral array of m′ and m″; wherein m′ and m″ each comprise different group iiib, ivb, vb, or vib metals; each x is c, n, or a combination thereof; n=1 or 2; and wherein the m′ atoms are substantially present as two-dimensional outer arrays of atoms within the two-dimensional array of crystal cells; the m″ atoms are substantially present as two-dimensional inner arrays of atoms within the two-dimensional array of crystal cells; and the two dimensional inner arrays of m″ atoms are sandwiched between the two-dimensional outer arrays of m′ atoms within the two-dimensional array of crystal cells.. . ... Drexel University

04/12/18 / #20180100156

Modulation of pre-mrna using splice modulating oligonucleotides as therapeutic agents in the treatment of disease

The present invention encompasses a class of compounds known as splice modulating oligonucleotides (smos) that modulate pre-mrna splicing, thereby affecting expression and functionality of a specific protein in a cell. The present invention further provides compositions and methods for modulating pre-mrna splicing using a smo of the invention to abrogate disease-causing mutations in a protein. ... Drexel University

04/05/18 / #20180098330

Adaptive pursuit learning method to mitigate small-cell interference through directionality

A learning protocol for distributed antenna state selection in directional cognitive small-cell networks is described. Antenna state selection is formulated as a nonstationary multi-armed bandit problem and an effective solution is provided based on the adaptive pursuit method from reinforcement learning. ... Drexel University

04/05/18 / #20180092865

Novel treatments for attention and cognitive disorders, and for dementia associated with a neurodegenerative disorder

The present invention provides a method of treating or preventing an attention and/or cognitive disorder in a subject in need thereof, comprising administering to the subject a compound useful within the invention. The present invention further provides a method of treating or preventing dementia associated with a neurodegenerative disorder in a subject in need thereof, comprising administering to the subject a compound useful within the invention.. ... Drexel University

03/08/18 / #20180064750

Methods of treating osteoarthritis

In one aspect, the present invention relates to a new method of treating or osteoarthritis in a mammal in need thereof. In certain embodiments, the method comprises contacting at least one biomimetic proteoglycan with the affected joint of the mammal. ... Drexel University

03/01/18 / #20180062841

Symmetric encryption key generation using wireless physical layer information without sharing any information pertinent to the key

Symmetric keys are generated by an algorithm that uses the randomness from the wireless phy layer to extract the keys. When used with reconfigurable antennas, the algorithm yields longer keys. ... Drexel University

02/22/18 / #20180053578

Compositions comprising free-standing two-dimensional nanocrystals

The present invention is directed to compositions comprising at least one layer or at least two layers, each layer comprising a substantially two-dimensional array of crystal cells, having first and second surfaces, each crystal cell having the empirical formula of mn+1xn, where m, x, and n are described in the specification, and devices incorporating these compositions.. . ... Drexel University

02/22/18 / #20180052960

Computer-implemented methods of promoting patient compliance with one or more recommended treatments or screening regimens

One aspect of the invention provides a computer-implemented method of promoting patient compliance with one or more recommended screening regimens. The computer-implemented method includes: receiving one or more selected from the group consisting of: demographic information, patient history, and family history from a patient; obtaining a list of recommended screenings for patients having the demographic information, patient history, or family history pertaining to a patient; receiving at least one selected from the group consisting of: digital billing information and digital health information related to the patient; parsing the digital billing information or digital health information; and identifying whether a potential match exists between the one or more recommended screenings and the digital billing information or digital health information.. ... Drexel University

02/15/18 / #20180044473

Thermoset polymers having a triazine network obtained by reaction of cyanate esters with dicyanamide room temperature ionic liquids

The invention relates to the use of dicyanamide-containing ionic liquids which decrease the cure temperature of cyanate esters to form unique thermoset polymers having a triazine network. These thermoset polymers having the triazine network have an ionic character allowing for use in varied applications. ... Drexel University

02/15/18 / #20180044182

Nanolaminated 2-2-1 max-phase compositions

The present invention is directed to crystalline solids having an empirical formula of m2a2x, wherein m is at least one group iiib, ivb, vb, or vib metal, preferably cr, hf, sc, ti, mo, nb, ta, v, zr, or a combination thereof; wherein a is al, ga, ge, in, pb, or sn, or a combination thereof; and each x is cxny, where x+y=1. In some particular embodiments, the crystalline composition has a unit cell stoichiometry of mo2ga2c.. ... Drexel University

02/01/18 / #20180030046

Novel compounds and methods of treating or ameliorating an il-1r-mediated disease or disorder using same

The present invention provides compounds useful for treating or preventing an il-1r-mediated disease or disorder. In certain embodiments, the disease or disorder comprises scleroderma.. ... Drexel University

01/25/18 / #20180024004

Tunable electro-optic filter stack

A holographic polymer dispersed liquid crystal (hpdlc) tunable filter exhibits switching times of no more than 20 microseconds. The hpdlc tunable filter can be utilized in a variety of applications. ... Drexel University

01/18/18 / #20180017344

Increasing boiling heat transfer using low thermal conductivity materials

An apparatus having a heat transfer surface for transfer of heat from the apparatus to a liquid. The heat transfer surface includes at least two different materials and at least two of said materials have different thermal conductivities. ... Drexel University

01/11/18 / #20180008609

Compositions useful for treating herpes simplex keratitis, and methods using same

The present invention relates generally to compositions and methods for treating diseases and disorders caused by herpes simplex virus type 1, including herpes simplex keratitis, in a subject. In certain embodiments, the compositions of the present invention comprise an atm inhibitor and an anti-herpetic agent. ... Drexel University

12/28/17 / #20170370866

Piezoelectric biochips having fluidic channels

One embodiment is a biochip having an array of biosensors for quantitative determination of protein-protein and/or antibody-antigen interactions. The array comprises at least two biosensors formed on a substrate. ... Drexel University

12/21/17 / #20170360879

Novel cyclic peptides and methods using same

The present invention includes novel cyclic peptides, and methods of using the same. The present invention further includes novel cyclic peptides conjugated with a gold nanoparticle, and methods of using the same.. ... Drexel University

12/07/17 / #20170351797

Methods and computer-readable media for synthesizing a multi-corner mesh-based clock distribution network for multi-voltage domain and clock meshes and integrated circuits

One aspect of the invention provides a including: (a) placing n×n max size buffers at an (n−1)st level of one of the voltage domains i until a maximum slew slewmax within the voltage domain i exceeds a defined slew threshold; (b) calculating maximum insertion delay values for all cases for each of the voltage domains; (c) if the maximum insertion delay values for all cases are associated with a single voltage domain j: (i) adding a max size buffer to all voltage domains except voltage domain j; and (ii) repeating steps (b) and (c); (d) reducing buffer sizes for each of the voltage domains; (e) recalculating maximum insertion delay values; and (f) adding parallel buffers to a first level of the voltage domain having a highest maximum insertion delay until the calculated skew across the plurality of voltage domains no longer improves.. . ... Drexel University

12/07/17 / #20170350005

Patterned polymers and directed polymer growth by intiated chemical vapor deposition

A method of forming a patterned polymer layer on a substrate and a substrate having a polymer layer formed by the method. The method includes providing a substrate comprising a first surface having a first surface energy and a pattern located on the substrate forming a second surface having a second, lower surface energy than the first surface, and selectively depositing a polymeric layer onto the first surface using a monomer material in an initiated chemical vapor deposition process, wherein the initiated chemical vapor deposition process is operated under supersaturation conditions during the deposition process.. ... Drexel University

11/09/17 / #20170321211

Whole genome mapping by dna sequencing with linked-paired-end library

The present invention relates to innovative means of generating sequence-linked dna fragments and subsequent uses of such linked dna fragments for de novo haplotype-resolved whole genome mapping and massively parallel sequencing. In various embodiments described herein, the methods of the invention relate to methods of generating paired-end nucleic acid fragment sharing common linker nucleic acid sequences using a nicking endonuclease, a t7 endonuclease, a restriction enzyme, or a transposase, methods of analyzing the nucleotides sequences from the linked-paired-end sequenced fragments, and methods of de novo whole genome mapping. ... Drexel University

11/09/17 / #20170319743

Alimentary protein-based scaffolds (aps) for wound healing, regenerative medicine and drug discovery

The invention provides engineered biomaterials derived from plant products. The engineered biomaterials are useful for biomedical applications. ... Drexel University

10/12/17 / #20170294546

Physical forms of mxene materials exhibiting novel electrical and optical characteristics

The present invention(s) is directed to novel conductive mn+1xn(ts) compositions exhibiting high volumetric capacitances, and methods of making the same. The present invention(s) is also directed to novel conductive mn+1xn(ts) compositions, methods of preparing transparent conductors using these materials, and products derived from these methods.. ... Drexel University

10/05/17 / #20170281589

Use of sting agonists to treat chronic hepatitis b virus infection

Provided herein are methods of treating a subject having hepatitis b viral (hbv) infection. More specifically, disclosed herein are methods of stimulating the innate cytokine response in macrophages, dendritic cells and/or liver non-parenchymal cells with small molecular agonists of sting to suppress hbv replication in hepatocytes. ... Drexel University

09/21/17 / #20170266223

Novel methods of preparing biomimetic proteoglycans

The present invention novel methods of preparing biomimetic proteoglycans, such as bottle-brush, chondroitin sulfate-containing, biomimetic proteoglycans. In certain embodiments, the methods of the invention comprise contacting a core polymer comprising at least one acyl chloride group with a gag comprising a terminal primary amine.. ... Drexel University

09/07/17 / #20170254782

Identification of water pipe material based on stress wave propagation

A nondestructive evaluation method for determining the material used in a below ground service line includes inserting a probe with a wave measurement device therein into an area corresponding to a location of a service line; inciting a service line wave through an exposed portion of the service using a vibratory shaker; measuring, by the wave measurement device, a substrate wave created by the service line wave passing thought the service line and into the substrate; identifying, by a data acquisition system, the service line wave velocity; comparing the service line wave velocity to a known set of wave velocities in service line according to a service line material; and identifying the service line material in the service line by comparing the wave velocity in the service line with the known set of wave velocities.. . ... Drexel University

08/31/17 / #20170247758

Methods, computer-readable media, and systems for assessing samples and wounds, predicting whether a wound will heal, and monitoring effectiveness of a treatment

One aspect of the invention provides a method of predicting whether a wound will heal. The method includes: obtaining a first measurement of a first macrophage phenotype population within a first sample obtained from a wound; obtaining a second measurement of a second macrophage phenotype population from the wound, wherein the second measurement of the second macrophage phenotype population is either: a different macrophage phenotype obtained from the first sample or the same macrophage phenotype obtained from a second, later sample from the wound; comparing the first measurement to the second measurement; and predicting whether the wound will heal based on a result of the comparing step.. ... Drexel University

07/27/17 / #20170212121

Capped and conjugated quantum dots

One or more aqueous, near infrared emitting, high yield, highly photoluminescent, stable quantum dots conjugated to one or more biomarkers specific moieties. The conjugated quantum dots have an enhanced detection sensitivity and selectivity and may be formed using a novel and efficient method for conjugating one or more biomarker specific moieties to the quantum dots. ... Drexel University

07/20/17 / #20170205389

All electric piezoelectric finger sensor (pefs) for soft material stiffness measurement

A pefs (piezoelectric finger sensor) acts as an “electronic finger” capable of accurately and non-destructively measuring both the young's compression modulus and shear modulus of tissues with gentle touches to the surface. The pefs measures both the young's compression modulus and shear modulus variations in tissue generating a less than one-millimeter spatial resolution up to a depth of several centimeters. ... Drexel University

07/20/17 / #20170204434

Maximizing production of hydrogen from waste materials by active removal of hydrogen

The present invention provides a method of producing hydrogen from a waste material, comprising steps of fermenting 100 a fermentation mixture comprising the waste material in a reactor 1 with a headspace 1a under anaerobic conditions, removing 200 hydrogen from a gas from the headspace 1a during fermentation to produce a hydrogen gas and a remainder gas and recirculating 300 at least a portion of the remainder gas back to the headspace 1a. An apparatus for producing hydrogen and recirculating at least a portion of the remainder gas to the headspace 1a is also provided.. ... Drexel University

07/20/17 / #20170204089

Novel compounds and methods of treating or ameliorating an il-1r-mediated disease or disorder using same

The present invention provides compounds useful for treating or preventing an il-1r-mediated disease or disorder. In certain embodiments, the disease or disorder comprises scleroderma.. ... Drexel University

07/20/17 / #20170202218

Materials for disinfection produced by non-thermal plasma

Aspects of the present subject matter are directed to a method comprising contacting an fluid, optionally containing an added organic material, with a non-thermal plasma to form a disinfection composition, wherein the disinfection composition is a liquid, and contacting a surface with the disinfection composition, wherein the surface is at least partially disinfected upon contact with the disinfection composition. Additional aspects of the present subject matter are directed to a method comprising forming a disinfection composition by contacting an organic material with a non-thermal plasma, wherein the disinfection composition is a liquid. ... Drexel University

07/13/17 / #20170199076

Fiber optic hydrophone sensors and uses thereof

A sensing method is based on using a special fiberoptic probe for detection of acoustic/ultrasound pressure in an immersion medium. The developed system is highly sensitive in detecting ultrasound waves up to 100 mhz, for imaging of micro structures and more. ... Drexel University

07/06/17 / #20170190709

Novel compositions useful in treating brain-related diseases or disorders and methods using same

The present invention provides compounds useful for treating or preventing a brain-related disease or disorder. The present invention further provides a method of treating or preventing a brain-related disease or disorder in a patient, comprising administering to the patient a pharmaceutical composition comprising at least one compound of the invention. ... Drexel University

06/22/17 / #20170180420

Reconfigurable antenna based solutions for device authentication and intrusion detection in wireless networks

Channel based authentication schemes for intrusion detection that operates at the physical layer are described that apply the capabilities of a pattern reconfigurable antenna for improved performance. Performance gains are achieved by the schemes as a function of the number of antenna modes. ... Drexel University

06/22/17 / #20170176799

Dynamic time multiplexing fabrication of holographic polymer dispersed liquid crystals for increased wavelength sensitivity

Described herein is a new holographic polymer dispersed liquid crystal (hpdlc) medium with broadband reflective properties, and a new technique for fabrication of broadband hpdlc mediums. The new technique involves dynamic variation of the holography setup during hpdlc formation, enabling the broadening of the hpdlc medium's wavelength response. ... Drexel University

06/22/17 / #20170176475

Novel methods and kits for detecting a rifamycin, or derivative or analogue thereof

The present invention includes methods of identifying one or more rifamycins, or analogues or metabolites thereof, that are present in a biological sample from a subject that is being administered a rifamycin-containing medication. The present invention further includes methods of adjusting and/or optimizing the dosage regime for a rifamycin-containing medication.. ... Drexel University

06/15/17 / #20170168565

Wearable devices, wearable robotic devices, gloves, and systems, methods, and computer program products interacting with the same

One aspect of the invention provides a wearable device including: at least one compliant region adapted and configured to be placed over a joint of a subject and at least two flexible but less compliant regions coupled to opposite ends of the compliant region. Another aspect of the invention provides a wearable robotic device including a wearable device as described herein and at least one actuator adapted and configured to move the flexible but less compliant regions relative to each other.. ... Drexel University

06/08/17 / #20170163354

System for ultrasonic communication across curved metal surfaces

Ultrasonic through metal communication systems are an effective solution for transmitting data across a metal barrier when the structural integrity of the barrier cannot be compromised by physically penetrating it. Substantial improvements in through metal communication systems have been made in recent years, enabling high speed communications of up to 15 mbps, as well as power transmission up to 30 w across flat walls. ... Drexel University

06/08/17 / #20170160165

Self-contained rapid modal testing system for highway bridges

A system for measuring structural integrity includes a self-contained rapid modal testing trailer that delivers an impact load to a structure being tested and records data resulting from the impact load, and a data processing software that extracts modal parameters of the structure, such as frequencies and mode shapes. The parameters are used to determine anomalous behavior as well as provide experimental data for finite element model calibration.. ... Drexel University

05/18/17 / #20170136120

Induction of immune response

Provided are methods and compositions that can he used to treat subjects having a viral infection by provoking an immune response using newly discovered antigens that are non-naturally occurring variations on viral glycoproteins. For example, provided are viral glycoproteins or a fragments thereof, or, dna constructs encoding for such viral glycoproteins or fragments thereof, wherein the glycoprotein or fragment comprises a glycosylation sequon that includes a non-templated aspartic acid residue.. ... Drexel University

04/27/17 / #20170112971

Biotin-avidin controlled delivery systems

The application relates to the delivery of immunomodulatory molecules, including cytokines, to the situs of tissue scaffolds, and wounds including injuries.. . ... Drexel University

04/13/17 / #20170100313

Methods of inhibiting, protecting against, or treating uvr-induced skin damage

One aspect of the invention provides a method of inhibiting, protecting against, or treating uvr-induced skin damage in a mammal at risk of developing uvr-induced skin damage. The method includes the step of topically administering a pharmaceutical or cosmetic composition including an effective amount of a syk kinase inhibitor to said mammal. ... Drexel University

03/23/17 / #20170081701

Spla2 monitoring strip

A device and method for determining the presence or absence, or the level of, spla2 activity in a fluid sample. The device includes an absorbent matrix that defines a flow path for a fluid sample, a first region of the absorbent matrix for applying a fluid sample, where one of the components selected from a bioactive spla2 substrate and a label is dried onto or within the first region of the absorbent matrix, a second region of the absorbent matrix downstream of, and in fluid communication with, the first region for detecting an aggregated reaction product, where the other component not present in the first region is dried onto or within the second region of the absorbent matrix.. ... Drexel University

03/16/17 / #20170072628

Nozzle for selectively generating either plasma or ultraviolet radiation

One aspect of the invention provides a method of generating ultraviolet radiation. The method includes: introducing a mixture of nitrogen gas and helium gas into a dielectric barrier discharge device including a high voltage electrode and a ground electrode separated by a gap and a dielectric; and applying suitable electricity to the high voltage electrode, thereby generating ultraviolet radiation. ... Drexel University

03/16/17 / #20170072096

Novel hydrogels and methods using same

The present invention provides hydrogel-based compositions that are suitable for replacing or supplementing the nucleus pulposus in a subject. The compositions of the invention are useful for treating, ameliorating or reverting degradation of the nucleus pulposus in the subject. ... Drexel University

03/09/17 / #20170067490

Articulating devices

One aspect of the invention provides an articulating device including: an inflatable elastic layer and a textile shell surrounding or impregnated within at least a portion of the inflatable elastic layer. The textile shell includes at least two regions having different material properties or knit patterns. ... Drexel University

03/09/17 / #20170066758

Substituted aminothiazoles as inhibitors of cancers, including hepatocellular carcinoma, and as inhibitors of hepatitis virus replication

Pharmaceutical compositions of the invention comprise substituted aminothiazoles derivatives having a disease-modifying action in the treatment of diseases associated with unregulated cell growth that include hepatocellular carcinoma, and infection with a hepatitis virus.. . ... Drexel University

03/02/17 / #20170062943

Miniaturized reconfigurable crlh metamaterial leaky-wave antenna using complementary split-ring resonators

Composite right/left handed (crlh) leaky-wave antennas (lwas) are a class of radiating elements characterized by an electronically steerable radiation pattern. The design is comprised of a cascade of crlh unit-cells populated with varactor diodes. ... Drexel University

03/02/17 / #20170056565

Antibiotic drug release sheath

An implantable medical device having a sheath formed of a polymer material, wherein the sheath forms a reservoir attached to or around the implantable medical device, and wherein the reservoir is sealed with a biocompatible pressure responsive coating; wherein the biocompatible coating is stable for at least 7-day post implantation into a body, and can be mechanically ruptured by application of an exterior pressure generating force.. . ... Drexel University

03/02/17 / #20170056410

Compositions useful for treating herpes simplex keratitis, and methods using same

The present invention relates generally to compositions and methods for treating diseases and disorders caused by herpes simplex virus type 1, including herpes simplex keratitis, in a subject. In certain embodiments, the compositions of the present invention comprise an atm inhibitor and an anti-herpetic agent. ... Drexel University

02/16/17 / #20170047892

Resonant frequency divider design methodology for dynamic frequency scaling

A dynamic rotary traveling wave oscillator circuit includes plurality of multi-output spot-advancing blocks (mosabs) forming a main-loop and a plurality of multi-input spot-advancing blocks (misabs) forming a sub-loop. Depending on a desired division ratio, a connection connects blocks on the mosabs and misabs to create the desired division ratio.. ... Drexel University

02/09/17 / #20170037411

Modulation of pre-mrna using splice modulating oligonucleotides as therapeutic agents in the treatment of disease

The present invention encompasses a class of compounds known as splice modulating oligonucleotides (smos) that modulate pre-mrna splicing, thereby affecting expression and functionality of a specific protein in a cell. The present invention further provides compositions and methods for modulating pre-mrna splicing using a smo of the invention to abrogate disease-causing mutations in a protein. ... Drexel University

01/26/17 / #20170022467

A method and apparatus for measuring biological activity with single cell resolution

A method and apparatus for carrying out measurements on single cells, either one or many single cells at a time in order to characterize the cellular response to stimuli in a perfused liquid. The apparatus for performing the respirometry includes a double-barrel pipette probe.. ... Drexel University

01/19/17 / #20170013832

Use of erythritol or compositions comprising same as mammal-safe insecticides

The invention includes a mammal-safe method of killing or harming an insect. The method comprises administering to the insect a composition comprising erythritol ((2r,3s)-butane-1,2,3,4-tetraol).. ... Drexel University

01/12/17 / #20170007132

Methods and systems for assessing peripheral arterial function

One aspect of the invention provides a method for assessing peripheral arterial function in a subject. The method includes: conducting diffuse correlation spectroscopy on a local region of the subject; applying pressure to restrict blood flow to the local region for a period of time; conducting diffuse correlation spectroscopy on the local region while the pressure is applied; releasing the pressure; and conducting diffuse correlation spectroscopy on the local region after the pressure is released. ... Drexel University

01/05/17 / #20170003079

Systems and methods of using phase change material in power plants

Phase change material modules for use in a heat exchanger are described. The phase change material module comprises two or more set of a plurality of substantially aligned hollow structures arranged to form a porous structure. ... Drexel University

01/05/17 / #20170002456

Grain size tuning for radiation resistance

A process for producing a radiation resistant nanocrystalline material having a polycrystalline microstructure from a starting material selected from metals and metal alloys. The process including depositing the starting material by physical vapor deposition onto a substrate that is maintained at a substrate temperature from about room temperature to about 850° c. ... Drexel University








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