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Search Results - linda+powers
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Deep Learning Algorithm for Detection of Cortical Arousal During Sleep
This invention is an end-to-end deep learning algorithm to detect cortical arousals during sleep using a one-night single lead electrocardiogram (ECG) signal. It is used to accurately detect arousal in home sleep tests, by reducing the false negative rate. The model combines both convolutional neural networks (CNN) and recurrent neural networks (RNN). Background: Sleep...
Published: 8/23/2024
|
Inventor(s):
Ao Li
,
Siteng Chen
,
Stuart Quan
,
Linda Powers
,
Janet Roveda
Keywords(s):
Category(s):
Technology Classifications > Healthcare Portfolios > Sleep Disorders
,
Technology Classifications > Software & Information Technology > Health IT
Self-neutralizing air-breathing thruster and method of neutralization
An ion-engine is the cutting edge for atmospheric air-breathing engines. The technology depends on ionizing and neutralizing atmospheric air particles which create thrust. This unique possibility makes it an ideal choice for very-low-orbit satellites. Very- low-orbit satellite capabilities have benefits such as higher resolution for images, weight...
Published: 7/30/2024
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Inventor(s):
Michael Keidar
,
Anmol Taploo
,
Li Lin
Keywords(s):
Category(s):
Technology Classifications > Computers Electronics & Software
,
Technology Classifications > Computers Electronics & Software > Aviation
,
Technology Classifications > Industrial or Consumer Tech > Energy Infrastructure and Environment
,
Technology Classifications > Industrial or Consumer Tech > Industrial Manufacturing
Time-Resolved Fluorescence Measurements in Real-Time
A prototype instrument that uses fast switching photomultiplier tube (PMT) to acquire real-time time-resolved fluorescence lifetime data has been developed and tested at the University of Arizona. The PMT detector can collect fluorescence data at rates as high as 200 MHz without the production of switching transients. The circuit system also demonstrates...
Published: 4/3/2023
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Inventor(s):
Linda Powers
,
Jerrie Fairbanks
,
Varun Sridharan
,
Xiang Zhang
,
Xavier Ramus
,
Andrew Duncan
Keywords(s):
fluorescence
,
high NA
,
high speed data collection
,
real-time data collection
,
time-resolved data collection
Category(s):
Technology Classifications > Imaging & Optics > Medical Imaging
,
Technology Classifications > Imaging & Optics
Non-Invasive Plasma Discharge Tube Device for Treating Brain Tumors
Treating brain tumors, like glioblastoma, is challenging. Current glioblastoma drugs, Rapamycin and Temozolomide (TMZ), generally only extend life for a matter of months, are not very effective in treating recurring tumors, and have significant clinical toxicity. A novel Plasma Discharge Tube (PDT) device has the potential to be more effective and less...
Published: 7/30/2024
|
Inventor(s):
Michael Keidar
,
Li Lin
,
Vikas Soni
,
Xiaoliang Yao
,
Dayun Yan
,
Jonathan Sherman
Keywords(s):
Category(s):
Technology Classifications > Medical Devices
,
Technology Classifications > Medical Devices > Surgical
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
Cold atmospheric plasma-stimulated media for treating cancers
For successful cancer therapy, the most important aspect is selective eradication of cancer cells without damaging healthy cells. Cancer cells and normal cells have different thresholds for tolerance of reactive oxygen species (ROS) and reactive nitrogen species (RNS) before cell death (apoptosis) is induced. Previously, GW researchers invented a cold...
Published: 7/30/2024
|
Inventor(s):
Michael Keidar
,
Zhitong Chen
,
Xiaoqian Cheng
,
Li Lin
Keywords(s):
Category(s):
Technology Classifications > Therapeutics > Cells
,
Technology Classifications > Therapeutics
High Power, Configurable, Pico-Second LED Driver
This technology is a light-emitting diode (LED) driver capable of driving 190mApp of current through an LED. The driver can drive various kinds of LEDs and multiple LEDs in series with up to a total forward voltage of about 8V. The LED is modulated at a single frequency of 200kHz, but future designs could modulate at 1MHz by substituting slower components...
Published: 8/1/2024
|
Inventor(s):
Jerrie Fairbanks
,
Linda Powers
,
Janet Roveda
Keywords(s):
Category(s):
Technology Classifications > Engineering & Physical Sciences > Electronics > Assembly and Packaging
,
Technology Classifications > Engineering & Physical Sciences > Electronics > Analog Circuits
,
Technology Classifications > Engineering & Physical Sciences > Electronics > Digital Circuits
,
Technology Classifications > Engineering & Physical Sciences > Photonics
,
Technology Classifications > Engineering & Physical Sciences > Semiconductors
,
Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing
,
Technology Classifications > Imaging & Optics > Lasers & Other Sources
Photo Multiplier System using High Power, Pure Sinusoidal LED Driver with Temperature Stabilization Feedback
This patented technology uses a light emitting diode (LED) to achieve the same imaging results as a laser source, without damaging the tissues. Background: Laser sources are the current standard in fluorescent imaging techniques, but lasers can damage tissue samples over time. This technology is based on a technique used in high energy physics for...
Published: 8/1/2024
|
Inventor(s):
Linda Powers
,
Jerrie Fairbanks
,
Janet Roveda
Keywords(s):
Category(s):
Technology Classifications > Engineering & Physical Sciences > Devices & Instrumentation
,
Technology Classifications > Imaging & Optics > Medical Imaging
Energy and Memory Efficient Analog to Digital Image Processing Method for use in Data Intensive Systems
This invention starts from the mixed signal data collection and integrates the sampling scheme with memory and digitization. This integrated interface model will reduce the data amount at the very beginning of data acquisition. Thus, data received at the CPU, as well as power consumption in the CPU, will be greatly reduced. In this implementation, there...
Published: 8/1/2024
|
Inventor(s):
Janet Roveda
,
Linda Powers
Keywords(s):
Category(s):
Technology Classifications > Engineering & Physical Sciences
,
Technology Classifications > Software & Information Technology
,
Technology Classifications > Engineering & Physical Sciences > Electronics
,
Technology Classifications > Engineering & Physical Sciences > Electronics > Mixed Signal Processing
,
Technology Classifications > Engineering & Physical Sciences > Electronics > Data Storage
,
Technology Classifications > Software & Information Technology > Signal Processing
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
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