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Briefs: Photonics/Optics
A readily portable miniature microscope weighing less than 2 grams and tiny enough to balance on your fingertip has been developed. The scope is designed to see fluorescent markers,...
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News: Medical
Exoskeletal Device Advances Study of Mobility in Spinal Cord Injury
Kessler Foundation has released preliminary research findings from its clinical study of the wearable robotic exoskeletal device, Ekso, made by Ekso Bionics. Ekso has been undergoing clinical investigation in patients with spinal cord injury at Kessler since October 2011, when the...
News: Medical
Building Prosthetics for Injured Veterans
Professor Rick Neptune and his mechanical engineering students at the University of Texas at Austin demonstrate in this video how they're paving the way for more customized prosthetics and orthotic devices for injured soldiers.
News: Materials
Biocompatible Hydrogel May Replace Artificial Cartilage
A team of experts in mechanics, materials science, and tissue engineering at Harvard has created an extremely stretchy and tough gel that has potential as a replacement for damaged cartilage in human joints.
Briefs: Physical Sciences
Beat-to-Beat Blood Pressure Monitor
This device provides non-invasive beat-to-beat blood pressure measurements and can be worn over the upper arm for prolonged durations. Phase and waveform analyses are performed on filtered proximal and distal photoplethysmographic (PPG) waveforms obtained from the brachial artery. The phase analysis is used...
Briefs: Medical
Developing Physiologic Models for Emergency Medical Procedures Under Microgravity
Several technological enhancements have been made to METI’s commercial Emergency Care Simulator (ECS) with regard to how microgravity affects human physiology. The ECS uses both a software only lung simulation, and an integrated mannequin lung that uses a physical...
Briefs: Medical
Improving Balance Function Using Low Levels of Electrical Stimulation of the Balance Organs
Crewmembers returning from long duration space flight face significant challenges due to the microgravity induced inappropriate adaptations in balance/sensorimotor function. The Neuroscience Laboratory at JSC is developing a method based on stochastic...
Briefs: Medical
Hands-Free Transcranial Color Doppler Probe
Current transcranial color Doppler (TCD) transducer probes are bulky and difficult to move in tiny increments to search and optimize TCD signals. This invention provides miniature motions of a TCD transducer probe to optimize TCD signals.
Briefs: Medical
Portable Intravenous Fluid Production Device for Ground Use
There are several medical conditions that require intravenous (IV) fluids. Limitations of mass, volume, storage space, shelf-life, transportation, and local resources can restrict the availability of such important fluids. These limitations are expected in long-duration space exploration...
Briefs: Medical
Adaptation of a Filter Assembly to Assess Microbial Bioburden of Pressurant Within a Propulsion System
A report describes an adaptation of a filter assembly to enable it to be used to filter out microorganisms from a propulsion system. The filter assembly has previously been used for particulates >2 μm. Projects that utilize large volumes o...
Briefs: Medical
PMA-Linked Fluorescence for Rapid Detection of Viable Bacterial Endospores
The most common approach for assessing the abundance of viable bacterial endospores is the culture-based plating method. However, culture-based approaches are heavily biased and oftentimes incompatible with upstream sample processing strategies, which make viable...
News: Robotics, Automation & Control
Researchers Engineer Light-Activated Skeletal Muscle
Scientists at MIT and the University of Pennsylvania are taking more than inspiration from nature — they’re taking ingredients. The group has genetically engineered muscle cells to flex in response to light, and is using the light-sensitive tissue to build highly articulated robots. This...
Briefs: Medical
The objective of this research was to design, build, and test an experimental apparatus for studying the parameters of atmospheric entry heating, and...
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Briefs: Materials
Saliva Preservative for Diagnostic Purposes
Saliva is an important body fluid for diagnostic purposes. Glycoproteins, glucose, steroids, DNA, and other molecules of diagnostic value are found in saliva. It is easier to collect as compared to blood or urine. Un for tunately, saliva also contains large numbers of bacteria that can release enzymes,...
Briefs: Medical
Purifying, Separating, and Concentrating Cells From a Sample Low in Biomass
Frequently there is an inability to process and analyze samples of low biomass due to limiting amounts of relevant biomaterial in the sample. Furthermore, molecular biological protocols geared towards increasing the density of recovered cells and biomolecules of interest,...
Briefs: Medical
Virtual Ultrasound Guidance for Inexperienced Operators
Medical ultrasound or echocardiographic studies are highly operatordependent and generally require lengthy training and internship to perfect. To obtain quality echocardiographic images in remote environments, such as on-orbit, remote guidance of studies has been employed. This technique...
Briefs: Medical
Hardy Bacterium Isolated From Two Geographically Distinct Spacecraft Assembly Cleanroom Facilities
Earlier studies have confirmed that a tenacious hardy bacterial population manages to persist and survive throughout a spacecraft assembly process. The widespread detection of these organisms underscores the challenges in eliminating them completely....
Briefs: Medical
A nanovector multistage system has been created to overcome or bypass sequential barriers within the human body, in order to deliver a therapeutic or imaging...
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News: Medical
Researchers Create Human-Scale 3D Videoconferencing Pod
A Queen's University researcher has created a Star Trek-like human-scale 3D videoconferencing pod that allows people in different locations to video conference as if they are standing in front of each other. Two people simply stand in front of their own life-size cylindrical pods and talk to...
Briefs: Medical
Monitoring Location and Angular Orientation of a Pill
A mobile pill transmitter system moves through, or adjacent to, one or more organs in an animal or human body, while transmitting signals from its present location and/or present angular orientation. The system also provides signals from which the present roll angle of the pill, about a selected...
Briefs: Medical
Molecular Technique to Reduce PCR Bias for Deeper Understanding of Microbial Diversity
Current planetary protection policies require that spacecraft targeted to sensitive solar system bodies be assembled and readied for launch in controlled cleanroom environments. A better understanding of the distribution and frequency at which high-risk...
Briefs: Medical
Dramatic improvements have been made in NASA’s Whole Blood Staining Device (WBSD) since it was last described in “Whole-Blood- Staining Device,” (MSC-22614) NASA Tech Briefs, Vol. 23, No. 10 (October...
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News: Medical
Brain-Machine Interface Delivers Signals to Move Paralyzed Hand
A new Northwestern Medicine brain-machine technology delivers messages from the brain directly to the muscles -- bypassing the spinal cord -- to enable voluntary and complex movement of a paralyzed hand. The device could eventually be tested on, and perhaps aid, paralyzed patients.The...
Application Briefs: Medical
Johns Hopkins engineers, recognized as experts in medical robotics, are helping NASA with a space dilemma: How can the agency fix valuable satellites that are breaking...
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Techs for License: Medical
Biodegradable Silica Gel Fiber Regenerates Cell Tissue
An inorganic, biodegradable silica gel fiber (SGF) acts as a physical scaffold to aid the growth of new cells and the collagen structure that supports them. As a scaffold, it can also be used to deliver drugs over a wide area to aid in healing. The material is integrated into the tissues and...
Briefs: Medical
The rHEALTH technology is designed to shrink an entire hospital testing laboratory onto a handheld device. A physician or healthcare provider performs the test by collecting a fingerstick of blood from a...
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Application Briefs: Imaging
At various times throughout the manufacturing process, medical device and orthopaedic implant manufacturers need to carry out a wide range of inspections and measurements of the parts...
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Briefs: Medical
Radiation Protection Using Single-Wall Carbon Nanotube Derivatives
This invention is a means of radiation protection, or cellular oxidative stress mitigation, via a sequence of quenching radical species using nano-engineered scaffolds, specifically single-wall carbon nanotubes (SWNTs) and their derivatives. The material can be used as a means of...
Briefs: Medical
PMA-PhyloChip DNA Microarray To Elucidate Viable Microbial Community Structure
Since the Viking missions in the mid- 1970s, traditional culture-based methods have been used for microbial enumeration by various NASA programs. Viable microbes are of particular concern for spacecraft cleanliness, for forward contamination of extraterrestrial bodies...

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