Tech Briefs

Briefs : Medical
Open-Access, Low-Magnetic-Field MRI System for Lung Research

An open-access magnetic resonance imaging (MRI) system is being developed for use in research on orientational/ gravitational effects on lung physiology and function. The open-access geometry enables study of human subjects in diverse orientations. This system operates at a magnetic...

Briefs : Sensors/Data Acquisition
Microfluidic Mixing Technology for a Universal Health Sensor

A highly efficient means of microfluidic mixing has been created for use with the rHEALTH sensor — an elliptical mixer and passive curvilinear mixing patterns. The rHEALTH sensor provides rapid, handheld, complete blood count, cell differential counts, electrolyte measurements, and...

Briefs : Medical
Microwell Arrays for Studying Many Individual Cells

“Laboratory-on-a-chip” devices that enable the simultaneous culturing and interrogation of many individual living cells have been invented. Each such device includes a silicon nitride-coated silicon chip containing an array of micromachined wells sized so that each well can contain one cell...

Briefs : Imaging
Convergence Nanoparticles for Multi-Modal Biomedical Imaging

A project is underway to develop a novel, versatile, multi-functional convergence nanoparticle system that utilizes inorganic nanoparticles for advanced biomedical applications. Inorganic nanoparticles exhibit improved optical, magnetic, and electronic properties compared to classical...

Briefs : Medical
Trans-Skull Ultrasound Scanner for Diagnosis of Rhino-Sinusitis

Rhino-sinusitis, or sinus infection, is an inflammation of the paranasal sinuses, which can be caused by different conditions (bacterial, fungal, viral, allergic, or autoimmune). Bacterial rhino-sinusitis is currently assessed by puncture or imaging techniques (x-ray or CT) in order...

Briefs : Electronics & Computers
Microfluidic Extraction of Biomarkers Using Water as Solvent

A proposed device, denoted a miniature microfluidic biomarker extractor (μ-EX), would extract trace amounts of chemicals of interest from samples, such as soils and rocks. Traditionally, such extractions are performed on a large scale with hazardous organic solvents; each solvent...

Briefs : Medical
Identifying and Inactivating Bacterial Spores

Problems associated with, and new strategies for, inactivating resistant organisms like Bacillus canaveralius (found at Kennedy Space Center during a survey of three NASA cleanrooms) have been defined. Identifying the particular component of the spore that allows its heightened resistance can guide...

Briefs : Manufacturing & Prototyping
Crashworthy Seats Would Afford Superior Protection

Seats to prevent or limit crash injuries to astronauts aboard the crew vehicle of the Orion spacecraft are undergoing development. The design of these seats incorporates and goes beyond crash-protection concepts embodied in prior spacecraft and racing-car seats to afford superior protection...

Briefs : Medical
Droplet-Based Production of Liposomes

A process for making monodisperse liposomes having lipid bilayer membranes involves fewer, simpler process steps than do related prior methods. First, a microfluidic, cross-junction droplet generator is used to produce vesicles comprising aqueous-solution droplets contained in single-layer lipid membranes....

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A Deep Dive into Metal 3D Printing

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Solving Complex Measurement Problems with PXI

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NASA Discusses Advances in Photonics for Space and Commercial...

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Using Portable Scenarios and Coverage Metrics to Ensure...

Upcoming Webinars: Robotics, Automation & Control

Impact of Autonomous and Electric Vehicles in New Product...

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Autonomous Vehicles Sensors: How to Ensure They Work Well and...