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Frontal and motor cortex oxygenation during maximal exercise in normoxia and hypoxia
Leave a CommentAbstract Reductions in prefrontal oxygenation near maximal exertion may limit exercise performance by impairing executive functions that influence the decision to stop exercising; however, whether deoxygenation also occurs in motor regions that more directly affect central motor drive is unknown. Multichannel near-infrared spectroscopy was used to compare changes in prefrontal, premotor, and motor cortices during […]
Oxigraf White Paper
Leave a CommentQuantum Computer Helium Laboratory Oxygen Deficiency Monitor O2iM from Oxigraf: Application Note in the September Issue of Spectroscopy Magazine (pdf)
Characterization and modeling of thermo-mechanical fatigue crack growth in a single crystal superalloy
Leave a CommentTurbine engine blades are subjected to extreme conditions characterized by significant and simultaneous excursions in both stress and temperature. These conditions promote thermo-mechanical fatigue (TMF) crack growth which can significantly reduce component design life beyond that which would be predicted from isothermal/constant load amplitude results. A thorough understanding of the thermo-mechanical fatigue crack behavior in […]
Oxygen Monitor for Quantum Computer Helium Laboratory
Leave a CommentModel O2iM – Oxygen Deficiency Safety Monitor: The Oxigraf state of the art Oxygen Deficiency Monitor, the Model O2iM, is a fast response, accurate and reliable safety monitor for oxygen displacement monitoring in Quantum Computer Laboratory, MRI, NMR, and liquid nitrogen and helium storage facilities. Our reliable solid state sensor does not require routine maintenance […]
NASA Astronauts Launch from America in Historic Test Flight of SpaceX Crew Dragon
Leave a CommentFor the first time in history, NASA astronauts have launched from American soil in a commercially built and operated American crew spacecraft on its way to the International Space Station. The SpaceX Crew Dragon spacecraft carrying NASA astronauts Robert Behnken and Douglas Hurley lifted off at 3:22 p.m. EDT Saturday on the company’s Falcon 9 rocket from Launch Complex 39A […]
O2MIX Oxygen-CO2 Mixer
Leave a CommentFast Gas Mixer Overlay and Sparge Gas Controller for Bioreactors The Model O2MIX gas mixer measures the oxygen and CO2 concentration in a gas sample inside instrument and uses this as feedback to control three (3) proportional valves to blend gasses from the three (3) inputs to a single output. The product uses feedback from […]
VP Pence tours Kokomo’s GM plant, thanks workers assembling ventilators
Leave a CommentKOKOMO, Ind. (WTHR) — Vice President Mike Pence toured Kokomo’s GM plant Thursday and thanked workers who are assembling ventilators to aid in the fight against COVID-19. “To be among heroes in the Hoosier state who are saving lives all across America, we are so proud of each and every one of you,” he said. […]
A Device for the Quantification of Oxygen Consumption and Caloric Expenditure in the Neonatal Range
Leave a CommentBACKGROUND: The accurate measurement of oxygen consumption (VO2) and energy expenditure (EE) may be helpful to optimize the treatment of critically ill patients. However, current techniques are limited in their ability to accurately quantify these end points in infants due to a low VO2, low tidal volume, and rapid respiratory rate. This study describes and […]
World Health Day
Leave a CommentToday is World Health Day, and we want to say to every healthcare worker in the medical field who helps keep us healthy: Thank you for everything you do, you are loved and appreciated!
System Design Verification for Closed Loop Control of Oxygenation With Concentrator Integration
Leave a CommentAbstract BACKGROUND: Addition of an oxygen concentrator into a control loop furthers previous work in autonomous control of oxygenation. Software integrates concentrator and ventilator function from a single control point, ensuring maximum efficiency by placing a pulse of oxygen at the beginning of the breath. We sought to verify this system. Methods: In a test […]
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