Special Coverage

Supercomputer Cooling System Uses Refrigerant to Replace Water
Computer Chips Calculate and Store in an Integrated Unit
Electron-to-Photon Communication for Quantum Computing
Mechanoresponsive Healing Polymers
Variable Permeability Magnetometer Systems and Methods for Aerospace Applications
Evaluation Standard for Robotic Research
Small Robot Has Outstanding Vertical Agility
Smart Optical Material Characterization System and Method
Lightweight, Flexible Thermal Protection System for Fire Protection
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Protecting Anodized Aluminum in a Highly Alkaline Environment

A company seeks to protect the surface of an aluminum product when exposed to the harsh alkaline environment inside a dishwasher. The product currently has a hard-anodized surface to protect against abrasion. The company seeks to avoid an exterior coating that can be abraded away. Preferably, the surface would be made impervious by adding to the anodized coating, changing the material of the coating, or changing the chemistry by which it’s made.

Posted in: NASA Tech Needs

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Composite Materials — Partnership Opportunities

Organic matrix composite materials have the potential for a significant mass reduction compared to metallic materials for aircraft and spacecraft, and have been a NASA focus for many years. The major technology drivers for these applications include large-scale composites manufacturing, composite damage tolerance and detection, and primary structure durability. Successful composite technologies will demonstrate concepts with reduced weight and cost with no loss in performance when compared to technologies for metallic concepts.

Posted in: NASA Tech Needs

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Stealth Computer Model LPC-395F

Stealth.com (Stealth Computer), Woodbridge, ON, Canada, has introduced the Model LPC-395F rugged, fanless mini computer with up to 500 GBs of integrated removable storage. The mini PC includes frontloaded removable media slots for both hard drive and Compact Flash media. An industry-standard 2.5" SATA hard drive slides directly into the machine without opening the chassis. The system also supports a front-loaded CF memory card. The computer features Intel ATOM N270 processor technology, dual Gigabit LAN, four USB 2.0 ports, two Serial RS- 232 ports, 1 DVI port, and audio ports with optional WiFi 802.11g. It supports up to 2 GB in memory, and has an optional solid-state hard drive for high shock and vibration environments. The computer can operate from 12-19 VDC and is compatible with Microsoft Windows 7/Vista/XP, and Linux.

Posted in: Products

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Dr. Luz Marina Calle, Lead Scientist and Principal Investigator, Corrosion Technology Laboratory, Kennedy Space Center

Dr. Luz Marina Calle earned her Ph.D. in chemistry from Ohio University and shortly thereafter became a professor of chemistry at Randolph College in Virginia. In 1989, she was selected to participate in NASA’s Summer Faculty Fellowship program at the Kennedy Space Center (KSC). Her summer work at KSC continued for a decade while performing her duties as professor and chair of the chemistry department at Randoph College. In 2000, Dr. Calle joined NASA permanently. She now leads NASA’s Corrosion Technology Laboratory at KSC.

Posted in: Who's Who

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Edge Phantom Measures Sharpness of X-Ray Detectors

The corrected digital image can be used to enable computer-assisted diagnosis.Digital radiography makes use of Xray detectors that yield a radiographic image of the object or patient between the X-ray source and the detector. Tools have been developed to assess the image quality characteristics of radiation images. One tool is an edge phantom, placed between source and detector, to assess the sharpness of the radiation image obtained. The edge-like, spatial step-response of the system resulting from a sudden change in irradiation level, invoked by the phantom, can be used to calculate the modulation transfer function (MTF) in a particular direction. In this way, the sharpness of the detector can be assessed.

Posted in: Briefs, MDB, Briefs, Bio-Medical, Diagnostics, Medical, Calibration, Measurements, Imaging and visualization, Security systems, Medical equipment and supplies, Radiation

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Paracellular Drug Delivery Through Baker’s Yeast Microcapsules

The yeast has the ability to open up the junctions between cells to aid drug delivery. Oral mucosal drug delivery is an alternative method of systemic drug delivery that offers several advantages over both injectable and enteral methods. Since the oral mucosa is highly vascularised, drugs that are absorbed through the oral mucosa directly enter the systemic circulation, bypassing the gastrointestinal tract and first-pass metabolism in the liver. This avoids some of the problems typically experienced with traditional oral medication like analgesics that have to be absorbed by the lining of the stomach or the intestine, either of which they can irritate.

Posted in: Briefs, MDB, Briefs, Bio-Medical, Drug Delivery, Medical, Anatomy, Medical, health, and wellness, Pharmaceuticals

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Vibrating Quartz Sensor Characterizes Liquid Samples

This technology eliminates the need to run multiple tests to obtain a sample profile. A novel analytical technology characterizes liquids for healthcare applications. As a drop of liquid evaporates on a vibrating quartz sensor, it undergoes distinctive phase changes representing the unique chemical and physical characteristics of the sample. This unique “fingerprint” represents information that is not readily available from any combination of analytical methods currently in use.

Posted in: Briefs, MDB, Briefs, Bio-Medical, Medical, Patient Monitoring, Sensors, Sensors and actuators, Fluids and secretions, Vibration, Test equipment and instrumentation

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