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Zero-G Condensing Heat Exchanger with Integral Disinfection

The proposed concept promises to improve the life support environment for astronauts. John H. Glenn Research Center, Cleveland, Ohio A concept for a unique zero-g condensing heat exchanger that has an integral ozone-generating capacity has been conceived. This design will contribute to the control of metabolic water vapor in the air, and also provide disinfection of the resultant condensate, and the disinfection of the air stream that flows through the condensing heat exchanger.

Posted in: Briefs

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Concurrent O2 Generation and CO2 Control for Advanced Life Support

Lyndon B. Johnson Space Center, Houston, Texas A life support system generates oxygen in low oxygen and/or hazardous environments such as mining, chemical/biological attacks, nuclear fallout, or space exploration. Based on proven technology, this O2/CO2 control system has the potential to significantly reduce the mass of the oxygen carried into the low oxygen and/or hazardous environment by continuously regenerating the oxygen used by the human subject(s).

Posted in: Briefs

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Gene Expression Signatures for Colon Carcinogenesis and Radiation-Induced Cellular Transformation

Lyndon B. Johnson Space Center, Houston, Texas Monitoring colon health and transformation into a diseased tissue, including inflammation and cancer, is difficult using conventional techniques, as individuals are required to undergo invasive procedures. However, by using exfoliated cells, it is possible to characterize the overall health of the colon by monitoring patterns of gene expression.

Posted in: Briefs, Patient Monitoring

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Tissue-Building Technique Could Someday Build Organs

A new instrument developed at Brown University could someday build replacement human organs the way electronics are assembled today. In this case, the parts are 3D microtissues containing thousands to millions of living cells. The device is called “BioP3” for pick, place, and perfuse. Because it allows assembly of larger structures from small living microtissue components, future versions of BioP3 could be used to manufacture organs such as livers, pancreases, or kidneys.

Posted in: Articles, UpFront

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Implantable Neurostimulator Alleviates Dry Eye

Stanford Biodesign fellows are testing two tiny devices that stimulate natural tear production. The technologies deliver micro-electrical pulses to the lacrimal gland.

Posted in: News, News, Implants & Prosthetics

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Wearable Nanowire Sensors Monitor Electrophysiological Signals

Researchers from North Carolina State University have developed a new, wearable sensor that uses silver nanowires to monitor electrophysiological signals, such as electrocardiography (EKG) or electromyography (EMG). The new sensor is as accurate as the “wet electrode” sensors used in hospitals, but can be used for long-term monitoring and when a patient is moving.

Posted in: News, News, Electronic Components, Patient Monitoring, Sensors

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Technology Diagnoses Brain Damage from Concussions, Strokes, and Dementia

New optical diagnostic technology developed at Tufts University School of Engineering promises new ways to identify and monitor brain damage resulting from traumatic injury, stroke, or vascular dementia in real time and without invasive procedures.

Posted in: News, Electronic Components, Diagnostics, Fiber Optics, Optics, Photonics, Measuring Instruments

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