Search Results - ali+ashraf

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In situ formation of 2D nanoparticles within elastomers for electromechanical sensing and flexible pressure pad
​ ​ Adding graphite and elastomer to batch mixer for in situ exfoliation Invention Summary: It has been known that a material’s electrical, mechanical, and chemical properties can be enhanced with the addition of graphene nanoparticles. Typically, the nanoparticles are created separately from the bulk material and are injected into...
Published: 6/19/2024   |   Inventor(s): Jennifer Lynch-Branzoi, Ali Ashraf, Ashiqur Rahman, Nazmul Islam
Keywords(s):  
Category(s): Technology Classifications > Nanotechnology, Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Sensors, Technology Classifications > Polymers/Composites/Materials
Paper-Based Nano-Biosensor for Cytokine Detection
se; } ​ ​ Invention Summary: Cytokines are a class of regulatory proteins that are important physiological and pathological markers commonly used for the prognosis and diagnosis of diseases such as cancer, Alzheimer’s and rheumatoid arthritis, as well as for monitoring responses to injuries. Researchers at Rutgers University have...
Published: 6/13/2024   |   Inventor(s): Aaron Mazzeo, Francois Berthiaume, Ali Ashraf, Ramendra Pal
Keywords(s): Biosensor, Graphene technology, Nanotechnology, Polymers & Composites, Sensors & Probes
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Sensors, Technology Classifications > Healthcare & Life Sciences, Technology Classifications > Diagnostics, Technology Classifications > Medical Devices
PMU-Embedded Analytics for Online Event Detection and Classification in Power Grids
The energy requirement of the world is increasing exponentially every year. With the power demand sites concentrated in the region with the highest population density, energy production sites must be located remotely. This isolation requires lengthy and complicated grids to be designed and manufactured to transmit power over long distances. Grid failures...
Published: 7/30/2024   |   Inventor(s): Payman Dehghanian, Shiyuan Wang, Li Li
Keywords(s):  
Category(s): Technology Classifications > Industrial or Consumer Tech > Energy Infrastructure and Environment
Flexible Multifunctional Elastomers Sensors Enhanced with in situ Formation of 2D Nanoparticles from Layered Materials
(a) elastomer enhanced with 2D nanoparticles is highly flexible; (b) elastomer sensor attached to arm to track the movement of fingers; (c) change in current value through the sensor due to finger motions Invention Summary: Conductive elastomeric polymer and rubber-based composites enhanced with graphene and other 2D nanoparticle fillers are capable...
Published: 6/19/2024   |   Inventor(s): Jennifer Lynch-Branzoi, Ali Ashraf
Keywords(s): Graphene technology, Polymers & Composites, Sensors & Probes
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials, Technology Classifications > Sensors
Conductive Polymer Nanocomposites Enhanced with in situ Formation of 2D Nanoparticles for Structural Sensors and Smart Materials
(a) Sensor used for structural monitoring. (b) Sensor performance during 30 N cyclic loading. (c) Temperature sensor monitored by thermal imaging camera. Invention Summary: Conductive thermoplastic polymer matrix nanocomposites enhanced with conductive 2D nanoparticles have applications for structural sensors and smart materials. However, mixing...
Published: 6/19/2024   |   Inventor(s): Jennifer Lynch-Branzoi, Ali Ashraf
Keywords(s): Graphene technology, Polymers & Composites, Sensors & Probes
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials
Distributed Feedback Fiber Laser Pumped by Multimode Diode Lasers
Researchers at the University of Arizona College of Optical Sciences and Canada's Carleton University recently succeeded in fabricating high reflectivity (>99%) Fiber Bragg Gratings (FBGs) into phosphate glass fibers using UV light and a phase mask technique. With this new manufacturing technique, fiber lasers can be created as single monolithic...
Published: 4/3/2023   |   Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li, Jacques Albert
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
All-Fiber Multicore Fiber Laser Devices
Researchers at the University of Arizona have developed a compact, power-scalable, alignment-free fiber laser that takes a new approach to stabilizing phase-locked operation of multi-core fiber lasers by completely removing all free space optical components. This high-brightness, all-fiber laser package uses passive optical fiber spliced at both ends...
Published: 4/3/2023   |   Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Fiber Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources