oxygen diffusion

Impaired oxygen delivery to muscle in chronic fatigue syndrome McCully, Kevin K.; Natelson, Benjamin H. The purpose of this study was to determine if chronic fatigue syndrome (CFS) is associated with reduced oxygen delivery to muscles. Patients with CFS according to CDC (Center for Disease...

Reduced Cerebrovascular Oxygenation in Individuals with Post-Acute COVID-19 Syndrome PACS “long COVID” Adingupu, Damilola D.; Soroush, A.; Hansen, A.; Twomey, R.; Dunn, J. F. There is evidence that hypoxia occurs in the brain of some individuals who contracted the COVID-19 disease. Furthermore...

Mitochondria and oxygen homeostasis Mateus P. Mori; Rozhin Penjweini; Jay R. Knutson; Ping-yuan Wang; Paul M. Hwang Molecular oxygen possesses a dual nature due to its highly reactive free radical property: it is capable of oxidizing metabolic substrates to generate cellular energy, but can...

Abstract During maximal exercise healthy humans increase their oxygen uptake (V̇O2) 10 to 20-fold that measured at rest to as much as 6 L/min. At the molecular level the numbers are staggering: Each minute the exercising O2 transport system - lungs, cardiovascular and active muscles – must...

Decreases in maximal oxygen uptake following long-duration spaceflight: Role of convective and diffusive O2 transport mechanisms C. J. Ade, R. M. Broxterman, A. D. Moore, and T. J. Barstow Abstract We have previously predicted that the decrease in maximal oxygen uptake (V̇o2max) that...