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191 Results for 'Clean Technology'
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Technology
Improved Electrochemical Double-Layer Capacitor Using Organosilicon Electrolytes
Although a battery can store significant amounts of energy, it cannot deliver it quickly. But a battery can be used to charge a capacitor, which then can provide much power all at once.
Supercapacit...
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Robert West, Viatcheslav Dementiev, Robert Hamers, Kiu-Yuen Tse | P08415US
Technology
Using UV Light to Functionalize Metal Oxides for Use in Biosensors, Solar Cells and Other Devices
Functionalized substrates have commercial applications ranging from biosensors to energy conversion devices such as solar cells. Biosensors rapidly detect the presence of target biomolecules bas...
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Robert Hamers, Bo Li, Elizabeth Landis, Ryan Franking | P09033US
Technology
Multi-Mode Liquid Cooling System for Electronics, Including Computers
To remove the substantial heat generated by today’s most powerful microprocessors, many high-performance and personal computers use liquid cooling, rather than air cooling, technology. Research ...
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Timothy Shedd, Adam Pautsch | P05107US
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
Efficient and Economical Graphite-Based Photovoltaic Cells
Photovoltaic cells convert sunlight directly into electricity through the interaction of photons and electrons in a photoconducting material. The major barriers to widespread solar cell use are low ef...
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Max Lagally, Feng Liu | P06378US
Technology
Carbon Nanotube Schottky Barrier Photovoltaic Device
Photovoltaic cells convert sunlight directly into electricity through the interaction of photons and electrons within a photoconducting material. To create a photovoltaic cell, a photoconducting mater...
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Max Lagally, Todd Narkis, Matt Marcus, Mark Eriksson | P04002US
Technology
Converting Biomass-Derived Carbohydrates to High-Quality, Long-Chain Liquid Fuels
Alkanes produced from carbohydrates could provide a renewable source of transportation fuel to complement the rapidly growing production of bio-diesel from vegetable oils and animal fats.
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James Dumesic, George Huber, Juben Chheda, Christopher Barrett | P06037US
Technology
Woody Biomass Sulfite Pretreatment to Overcome Lignocellulose Recalcitrance for Biofuel Production
Some experts in the oil industry and geological fields believe global oil reserves will reach peak production within the next twenty years. They believe that the annual supply of petroleum-based...
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Xuejun Pan, Roland Gleisner, Gaosheng Wang, JunYong Zhu | P08193US
Technology
Efficient Method for Pretreating Lignocellulosic Materials to Produce Paper with Improved Properties
To make paper from wood, wood first must be transformed into pulp. However, current pulping techniques require high amounts of energy or large quantities of wood and can result in poor quality paper.
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William Kenealy, Eric Horn, Masood Akhtar, Ross Swaney | P07307US
Technology
Bioagent Detection Device
Because potential biological attacks against civilian populations have become an important issue for homeland security, practical and efficient biosensors are needed. However, no currently available b...
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Hongrui Jiang, David Beebe | P04357US
Technology
Non-Inverter-Based Distributed Energy Resource for Use in a Dynamic Distribution System
Distributed energy resources (DER), the combination of distributed power generators, energy storage devices and renewable sources of energy, are frequently located at customer sites where the energy r...
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Robert Lasseter, Shashank Krishnamurthy | P07269US
Technology
Power Conditioning Architecture for Wind Turbine
Wind-powered generators are an increasing source of power for many countries. However, before their use can become widespread, they must be able to work effectively with the existing utility grid.
V...
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Venkata Giri Venkataramanan, Patrick Flannery | P06426US
Technology
Detecting and Determining the Concentration of a Target Bioagent
A UW-Madison researcher previously developed an inexpensive, real-time wireless microsensor for detecting biological agents in water supply networks and other aqueous environments, such as the milk su...
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Hongrui Jiang, Sudheer Sridharamurthy | P06457US
Technology
Sugar Transport Genes from Yeast to Enhance Ethanol Production
Because ethanol can be produced from sugars derived from renewable plant biomass, it offers a promising alternative to non-renewable fossil fuels. Corn is currently the main source of carbon used in e...
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Thomas Jeffries, Ju Yun Bae, Bernice Chin-yun Lin, Jennifer Headman | P08060US
Technology
Nanoporous Insulating Oxide Electrolyte Membrane Ultracapacitor and Button Cell
Metal oxides presently are used in the manufacture of electrochemical capacitors, which are found in almost every electrical device. However, these materials are expensive and tend to undergo redox re...
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Marc Anderson, Kevin Leonard | P06293US
Technology
Metal-Coated Vertically Aligned Carbon Nanofibers
Although electrochemically active materials with high density and surface area have many potential uses in electrocatalysts, batteries, fuel cells and sensors, creating these materials can be challeng...
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Robert Hamers, Kevin Metz | P06357US