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48 Results for 'Sensors'
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Technology
New Discoveries in Biological Safety: Liquid Crystal Detection of Hazardous Environmental Products
Volatile organic compounds (VOCs) are found in common household and industrial products. These toxic and/or carcinogenic compounds such as toluene, benzene and styrene are difficult to detect and pers...
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Nicholas Abbott, Marco Bedolla Pantoja, Xiaoguang Wang | P150037US02
Technology
Bioreversible Protein Esterification
Proteins contain carboxyl groups. These charged groups make it difficult for any protein to enter a human (or other eukaryotic) cell. Modifying proteins to enter cells could revolutionize medicine, e....
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Ronald Raines, Nicholas McGrath | P130148US02
Technology
Strain-Tunable Light Emitting Diodes Using Germanium
Germanium (Ge), a group-IV semiconductor material, is crucial to many established and potential technologies. In optoelectronics, Ge has been used as a photodetector material for on-chip data distribu...
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Max Lagally, Jose Sanchez Perez | P140041US01
Technology
An Enhanced Method of Embedding Thin Film Sensors
Surface mounted and exposed sensors are used in objects commonly found in a modern society that range from simple temperature monitors to complex airbag ejection systems. But sensors located on the su...
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Xiaochun Li, Xudong Cheng, Arindom Datta | P07193US
Technology
Dielectric Sensor for Stress and Strain Detection
Load bearing structures experience stresses and/or strains that deform the material from which they are made. Regardless of a building component’s size, exposure to or tolerance for stress and s...
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Yuri Shkel, Ho Young Lee, Yiyan Peng | P08252US
Technology
Electrodes with Low-Cost Replaceable Tips
Electrodes routinely are used in electrochemical sensing, fuel cells, batteries and numerous other applications. Critically, the surface of an electrode must be clean before sensing elements can be at...
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Sundaram Gunasekaran, Jiang Yang | P120016US02
Technology
Ultra-Efficient Continuous Monitoring of Sensors
Tracking emissions, sensing earthquakes and monitoring patient brain waves are just a few of the applications that rely on changing, real-world information. In typical systems, sensors pass on raw dat...
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Mikko Lipasti, Atif Hashmi, Andrew Nere, Giulio Tononi | P130049US01
Technology
Ultrasonic Welding with Real-Time Quality Control
In ultrasonic welding, work pieces are clamped between a horn and anvil and then joined using high-frequency vibration energy. Friction and heat between the surfaces causes them to soften and meld tog...
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Xiaochun Li, Hongseok Choi, Hang Li, Wayne Cai, Jeff Abell, Jingzhou Zhao | P120081US01
Technology
Monolithic Fiber Optic Sensor Assembly for High-Temperature or Corrosive Environments
Remote spectrographic measurements can be made using a fiber optic guide attached to a “U-bench,” an optical component that supports a light emitter opposite from a light collector or a mirror acr...
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Scott Sanders | P120024US01
Technology
Short-Pulsed Alkali Magnetometer for Precision in Ambient Fields
Detection of magnetic fluctuations is vital to endeavors from space navigation to oil exploration. UW–Madison researchers previously developed a method that utilizes sensitive alkali atoms—polariz...
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Thad Walker, Brian Lancor, Robert Wyllie | P110354US01
Technology
Precision Magnetometer for More Accurate Magnetic Field Readings
A magnetometer is a scientific instrument used to measure the strength and/or direction of magnetic fields. It has applications in areas such as navigation systems, geophysics and drilling/mining expl...
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Thad Walker, Brian Lancor, Robert Wyllie | P110198US01
Technology
Devices and Methods for Immobilizing Liquid Crystal Droplets onto a Chemically Functionalized Substrate Surface
Liquid crystal materials are promising candidates for many sensing and interfacial applications. Liquid crystals respond to and amplify small changes in temperature, electric or magnetic fields, shear...
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David Lynn, Maren Buck, Nicholas Abbott, Michael Kinsinger | P100260US02
Technology
Embedded Photonic Sensors for Sensing Workpiece Properties
Placing sensors that can monitor properties such as temperature and strain directly into a manufacturing environment can allow effective monitoring and control of manufacturing processes. By continuou...
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Xiaochun Li, Chee Wei Wong, Xugang Zhang | P09303US02
Technology
Night Vision System, Device and Method for Enhanced Signal-to-Noise Ratio
Night vision systems utilize cameras that are sensitive to wavelengths such as infrared (IR) to produce image frames. The IR image frames may be displayed alone in sequence to provide a moving picture...
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Charles Mistretta, Justin Mertes-Mistretta, Erick Oberstar, Ethan Brodsky | P09027US
Technology
Temperature Estimation Based on a Signal Oscillation
Power converters change energy from one form to another form more suitable to a specific application. Parallel power converter modules for power sources, such as those used for computer servers, have ...
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Robert Lorenz, Anusheel Nahar | P05333US
Technology
Robust, Moldable Colloidal Liquid Crystal Gels Provide User-Friendly, Portable Sensors
Liquid crystals can serve as molecular magnifying glasses, amplifying molecular and biomolecular events so they may be seen with the naked eye. Microwells and other microfabricated structures pr...
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Nicholas Abbott, Ankit Agarwal, Santanu Pal | P08443US02
Technology
Varied Monodisperse Oil or Liquid Crystal Emulsion Droplets for Improved Nanoviewing, Sensing and Biosensors
Controlled micrometer-scale oil droplets have applications in nano-materials, meso-materials, responsive materials, optical materials, filters, sensors and opto-electronic technologies. Emulsion...
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Nicholas Abbott, Frank Caruso, Jugal Gupta, Sri Sivakumar | P08136US
Technology
Microelectronics Grade Metal Substrate and Related Metal-Embedded Devices
Embedding sensors into a mass of material allows them to assess the material in a way that is not often possible with surface-mounted sensors. In addition, it is frequently necessary to embed sensors ...
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Xiaochun Li, Arindom Datta, Hongseok Choi | P05140US
Technology
PIN Diodes for Fast Photodetection, and High-Speed, High-Resolution Imaging and Sensing
PIN diodes are semiconductor devices that include an undoped intrinsic semiconductor region between the p-type and n-type regions. These diodes are commonly integrated as photodetectors on silicon CMO...
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Max Lagally, Zhenqiang Ma | P04389US
Technology
Device and Methods for Liquid Crystal-Based Bioagent Detection
Currently, most schemes for detecting bioagents or other biological molecules are based on relatively complex electronic, photonic and/or electrochemical methods, or on more elegant biomolecular metho...
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Nicholas Abbott, David Beebe, Joon-Seo Park, Sarah Teren, Eric Johnson | P06126US
Technology
Simple Biological Method and Device for Detecting a Toxin or Other Chemical
Most schemes for detecting toxins or other chemicals are based on complex electronic, photonic and/or electrochemical methods, or on more elegant biomolecular methods, such as ELISA (Enzyme-Linked Imm...
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David Beebe, Dongshin Kim | P06373US
Technology
Smart Leaf Technology - Floating Semiconductor Membranes for Wireless Sensing
Sensors currently used for detecting the presence of a given analyte, such as a toxin, in solution or in air require direct contact with a power supply. Distributed sensing systems or “sensor ne...
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Robert Blick, Robert Nowak | P05404US
Technology
Methods of Manufacturing and Using Beta-Peptide Lyotropic Liquid Crystals
Liquid crystals have been widely explored for applications such as display and sensing technologies. Lyotropic liquid crystals, which become more ordered as they become more concentrated within a solv...
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Samuel Gellman, Nicholas Abbott, William Pomerantz | P06005US