Tech Exchange

Inhibit or Deactivate Plant Enzymes

An organization wants to deactivate or otherwise interfere with the action of enzymes pectin methylesterase and polygalacturonase, which interfere with the processing of certain fruits by degrading fruit pectins. Initial processing of the whole fruit releases the enzymes and release continues during further processing. The release of the enzymes decreases the thickening power of the fruit solids. By deactivating the enzymes, especially without using heat, more of the fruit solids thickening power may be conserved during processing. Greater retention of pectin in its natural state may also provide added benefits in serum binding and overall consumer acceptance.

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Low-Energy-Curing Technology

A company seeks new and/or advanced curing technologies to incorporate into metal packaging protective coating and decoration processes. Systems could include metal containers for aerosols, beverages, food products, and specialty packaging, all of which require external and/or internal protective coatings. Process improvement may be obtained by upgrading the efficiency of the existing thermal curing gas ovens or introducing new coating materials that can be cured more efficiently using the existing ovens.

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Cost-Effective Wind Turbine Generator

The Cutcher Wind Turbine Generator provides low- and no-cost power by utilizing tall structures such as rural and urban homes, as well as businesses and buildings. Unlike traditional wind-power generators, the Cutcher Wind Turbine Generator utilizes the wind current that is channeled around buildings and tall structures, eliminating the building of an additional tower for a platform. The generator utilizes wind-driven blades arranged around a hub. As the wind blows, the blades and hub begin to turn, the mechanical drive is activated, and it initiates the electric generator. The generator can be constructed from high-grade aluminum and is scalable to fit specifications for use in both industrial and consumer applications. It is engineered and designed with a box-like frame that employs wind-blocking walls that prevent the wind currents from blowing the blades in the reverse direction. The generator can be installed on existing buildings and structures such as homes, barns, grain elevators, office buildings, and oil tanks.

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Method of Driving a Field Emission Display

This technology makes possible Field Emission Displays (FEDs) and Surface-conduction Electron-emitter Displays (SEDs) that can use a variety of less expensive cathode materials and types. The technology adjusts the output of the cathodes by using a monitoring circuit between the cathode and the anode (the visible phosphors), overcoming the poor picture quality that can result from emitters operating at different levels of effectiveness. With this technology, almost any kind of cathodes can be used in making display panels that have image quality as good as display panels made from carbon nanotube (CNT) cathodes, thus reducing manufacturing costs.

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Reflective Aerosol

This technology need is for an aerosol with properties that enable it to be easily launched using a pulsed jet fogger. It also must have reflectivity or other optical properties, and must be safe for human cutaneous and pulmonary contact. The aerosol should have optical properties that can be manipulated using laser light or other light sources to produce large-scale images and other visual effects. The aerosol would be used to create a large image that is visible from multiple vantage points by “painting” the aerosol from within or without in such a manner that a three-dimensional object is emulated. Respond to this TechNeed at: Email: nasatech@yet2.com Phone: 781-972-0600

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Sustainable Processes for Green Polymer Production

Technologies leading to sustainable and green production of polymers are sought. Candidate technologies should fit recently developed definitions for green chemistries. Chemistries that produce safe chemicals, that use safer solvents and auxiliaries, and/or that produce chemicals designed for degradation are preferable. Byproducts of the process should either not be hazardous, or easy and economical to be rendered harmless for people and the environment. Respond to this TechNeed at: Email: nasatech@yet2.com Phone: 781-972-0600

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Chemical Analysis without Reagents

A portfolio of technologies applies mid-infrared spectroscopy to the analysis of fluids. Any fluid can be analyzed, including blood, serum, and other biological fluids. Tests are non-destructive. The techniques require no reagents or other chemicals, and thus there are no chemicals to store or dispose of. The spectroscopic signatures obtained from the samples can be used to aid the diagnosis of disease, among other applications, because molecular signatures are unique. The technique has a high sensitivity to the conformation of the molecule: shape, folding, symmetry, and its state.

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