Results 1 to 10 of about 1,164 (177)
rTMS Therapy Reduces Hypofrontality in Patients With Depression as Measured by fNIRS
Frontiers in Psychiatry, 2022 Multichannel functional near-infrared spectroscopy (fNIRS) is a tool used to capture changes in cerebral blood flow. A consistent result for depression is a decrease in blood flow in the frontal cortex leading to hypofrontality, which indicates ...
Yasuo Kawabata +10 more
doaj +1 more source
Chinese Journal of Contemporary Neurology and Neurosurgery, 2022 Objective To investigate the changes of brain activation and brain network connectivity in patients with spinal cord injury (SCI). Methods A total of 20 patients with SCI were selected from Qilu Hospital of Shandong University from January to October ...
SUN Zhi⁃fang +4 more
doaj +1 more source
Magnetic properties of oxyhemoglobin. [PDF]
Proceedings of the National Academy of Sciences, 1977 When the magnetic susceptibility of frozen aqueous solutions of human oxyhemoglobin was measured in the range between 25 and 250 K, it showed a temperature-dependent behavior typical of a thermal equilibrium between a ground singlet state and an excited triplet state for two electrons per heme, the energy separation being [2J] = 146 cm-1.
Cerdonio M +5 more
openaire +3 more sources
Transnitrosation Signals Oxyhemoglobin Desaturation [PDF]
Circulation Research, 2008 See related article, pages 545–553 Erythrocytes dilate peripheral blood vessels as a function of oxyhemoglobin desaturation.1 This effect increases regional blood flow to hypoxic tissues. The mechanisms underlying the peripheral vasodilatory effects of desaturating erythrocytes are incompletely understood but do not involve activation of local ...
Nadzeya, Marozkina +2 more
openaire +2 more sources
JHLT OpenBackground: Decreased systemic oxygen delivery derived from gas exchange abnormalities in severe hemolysis complicates patients requiring mechanical circulatory support devices.
Ingrid L. Rodgers, APRN, CRNA +3 more
doaj +1 more source
The oxyhemoglobin reaction of nitric oxide [PDF]
Proceedings of the National Academy of Sciences, 1999 The oxidation of nitric oxide (NO) to nitrate by oxyhemoglobin is a fundamental reaction that shapes our understanding of NO biology. This reaction is considered to be the major pathway for NO elimination from the body; it is the basis for a prevalent NO assay; it is a critical feature in the modeling of NO diffusion in the ...
A J, Gow +4 more
openaire +2 more sources
Nitroxyl Accelerates the Oxidation of Oxyhemoglobin by Nitrite [PDF]
Free Radical Biology and Medicine, 2011 Angeli's salt (Na₂N₂O₃) decomposes into nitroxyl (HNO) and nitrite (NO₂(-)), compounds of physiological and therapeutic interest for their impact on biological signaling both through nitric oxide and nitric oxide independent pathways. Both nitrite and HNO oxidize oxygenated hemoglobin to methemoglobin.
Landon, Bellavia +4 more
openaire +2 more sources
Reaction of Oxyhemoglobin with Carbon Monoxide
Biophysical Journal, 1963 The reaction of oxyhemoglobin and carbon monoxide was studied kinetically at pH 7.8 in a variety of suspending media. The dielectric constant of the suspending media, as well as the viscosity (and hence the Fick diffusion coefficients), was varied with the use of glycine, glycerol, and sucrose.
Ackerman, Eugene, Berger, Robert L.
openaire +2 more sources
Clinical Chemistry, 1991 Abstract We determined the millimolar absorptivities of the four clinically relevant derivatives of fetal and adult human hemoglobin in the visible and near-infrared spectral range (450-1000 nm). As expected, spectral absorption curves of similar shape were found, but the small differences between fetal and adult hemoglobin absorptivity ...
Zijlstra, W.G. +2 more
openaire +2 more sources