“…The main outcome measure was the oxyhemoglobin level in the dorsolateral prefrontal cortex (DLPFC). …”
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“…VO(2) amplitude, O(2) deficit, time delay, oxyhemoglobin (O(2)Hb), deoxyhemoglobin (HHb), and total hemoglobin (tHb) were measured during tests on the right vastus lateralis. …”
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“…The intravenous administration of methemoglobin was found to produce more severe renal injury than the injection of equal amounts of oxyhemoglobin. Necrosis of the proximal convoluted tubule cells was present as a late lesion in animals injected with methemoglobin, large amounts of hemoglobin, or following extensive intravascular hemolysis. …”
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“…When an air bubble is now introduced so that it touches the "ventral gills" oxyhemoglobin first appears in the nearest body segment to the bubble, not in the "gills." 4. …”
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“…Optical Diffusion Imaging Spectroscopy (ViOptix T.Ox Tissue Oximeter) measures the ratio of oxyhemoglobin to deoxyhemoglobin over a 1 × 1 cm area to obtain a non-invasive measurement of perfusion (StO(2)). …”
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“…The fixation patterns on facial features were recorded, along with changes in oxyhemoglobin (oxyHb) levels in the frontal lobe, while the subjects identified several faces. …”
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“…The symptoms of both patients failed to improve in response to supplemental oxygen delivered via oxygen masks, although the arterial blood gas data of these patients were normal and their pulse oximetry showed oxyhemoglobin levels of approximately 85%. A carbon monoxide-oximeter showed that the man’s methemoglobin concentration was 48.3%, and the woman’s was 36.4%. …”
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“…Neural activity was quantified with changes in functional near-infrared spectroscopy oxyhemoglobin (fNIRS-HbO) over the contralateral primary motor (M1), primary somatosensory (S1), premotor (PMC) and prefrontal (PFC) cortical areas. …”
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“…By using electron paramagnetic resonance spectrometry, shikonin was found unable of reacting with nitric oxide radical in a competition assay with oxyhemoglobin. However, shikonin scavenged alkyl-oxy radical from 2,2'-azobis(2-aminopropane) dihydrochloride with oxygen radical absorbance capacity, ORAC of 0.25 relative to Trolox, and showed a strong O(2)(•−)-scavenging ability (42-fold of Trolox; estimated reaction rate constant: 1.7 × 10(5) M(−1)s(−1)) in electron paramagnetic resonance assays with CYPMPO as spin trap. …”
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“…CASE DESCRIPTIONS: In a 60-year-old male with SMA seizures, we intraoperatively delivered a 500 Hz, 5-train stimulation to the medial cortical surface and measured the resulting hemodynamic changes in the PMC by calculating the oxyhemoglobin (HbO2) and deoxyhemoglobin (HbR) concentration changes during stimulation. …”
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“…Hemoglobin reaction kinetics are governed by the oxyhemoglobin dissociation curve. Brain activation, mimicked by dynamic transitions in cerebral blood velocity (CBv) and oxidative metabolism (CMR(O(2))), is simulated by normalized changes in m = (ΔCBv/CBv)/(ΔCMR(O(2))/CMR(O(2))) of values 2, 3 and 4. …”
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“…The mammary gland oxyhemoglobin (OxyHb) and deoxyhemoglobin (DeoxyHb) levels were detected before and after treatment after 15, 30, and 45 days. …”
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“…In this paper, we report on a study that makes predictions of the state-trait anxiety inventory (STAI) index from oxyhemoglobin and deoxyhemoglobin concentration changes of the prefrontal cortex using a two-channel portable near-infrared spectroscopy device. …”
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“…We estimated the relative changes in oxyhemoglobin and total hemoglobin compared to the basal values at rest (Δ[HbO(2)], Δ[Hb(tot)]), which reflected the blood flow in the skin and muscle layer, and we simultaneously measured the tissue O(2) saturation (S(t)O(2)) throughout the electrical stimulation and recovery phase by near-infrared spectroscopy. …”
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“…We found that postnatal age had the most significant effect on carboxyhemoglobin levels, and other significant associations were identified with gestational age, hemoglobin concentration, oxyhemoglobin saturation, and blood pH. Accounting for these covariates, there was no significant relationship between the onset of sepsis and carboxyhemoglobin levels. …”
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“…The lowest and average oxyhemoglobin saturation were measured using polysomnography. …”
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“…CONCLUSION: Our findings suggest that patients who are febrile and who also have productive coughs and oxyhemoglobin saturations by pulse oximetry of less than 92% would be best served with outpatient evaluation of their pulmonary symptoms before undergoing their elective bone marrow aspiration procedures. …”
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“…Compared with midazolam intervention in patients undergoing bronchoscopy, propofol intervention is associated with remarkably reduced recovery time [standard mean difference (SMD) = −0.74; 95% confidence interval (95% CI) = −1.04 to −0.45; P < .00001], but demonstrates no significant impact on operation time (SMD = −0.01; 95% CI = −0.16 to 0.13; P = .87), induction time (SMD = −0.58; 95% CI = −1.19 to 0.03; P = .06), lowest oxyhemoglobin saturation (SpO(2), SMD = 0.24; 95% CI = −0.09 to 0.58; P = .15), SpO(2) <90% [risk ratio (RR) = 1.02; 95% CI = 0.82–1.25; P = .88), and major arrhythmias (RR = 0.56; 95% CI = 0.26–1.19; P = .13). …”
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“…Apnea/hypopnea index (AHI), oxygen desaturation index (ODI), mean nighttime oxyhemoglobin saturation (SpO(2)), time elapsed with SpO(2) < 90% (T90) and mean peak desaturation of nocturnal events (Mdes, graded as mild, medium or severe) were compared with echocardiographic parameters. …”
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“…We observed increased levels of CCL20, CC chemokine receptor 6 (CCR6), interleukin 1 beta (IL-1β), and tumor necrosis factor alpha (TNF-α), as well as of microglial activation in microglia treated with oxyhemoglobin (OxyHb). CCL20 or CCR6 knockdown reversed the effects of OxyHb on microglia. …”
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