Results 21 to 30 of about 2,903,234 (253)
Background Anesthesiologists administer excess supplemental oxygen (hyper-oxygenation) to patients during surgery to avoid hypoxia. Hyper-oxygenation, however, may increase the generation of reactive oxygen species and cause oxidative damage.
Marcos G. Lopez +16 more
doaj +1 more source
Maintaining life (respiration), cell death (apoptosis), oxygen transport and immunity are main biological functions of heme containing proteins. These functions are controlled by the axial ligands and the redox status of the iron ion (oscillations ...
Halina Abramczyk +4 more
doaj +1 more source
The mechanism of Rubisco‐catalysed oxygenation [PDF]
AbstractRibulose‐1,5‐bisphosphate carboxylase/oxygenase (Rubisco) is the cornerstone of photosynthetic carbon assimilation because it catalyses the fixation of CO2 onto ribulose‐1,5‐bisphosphate (RuBP). The enzyme also catalyses RuBP oxygenation, thereby evolving phosphoglycolate which is recycled along the photorespiratory pathway.
openaire +2 more sources
Bubble mechanics and oxygen transfer
A bubble oxygenation system was designed which controlled bubble size, the boundary layer of the bubble's surface, and bubble travel path. Experiments with this system showed how these parameters effect the mass transfer of oxygen.
G L, Hammond, W W, Bowley
openaire +2 more sources
A tectonically driven Ediacaran oxygenation event
The evolution of complex animal life in the Cambrian period is thought to be related to oxygenation of the Earth System, however the timing, magnitude and mechanism of this oxygenation event remain uncertain.
Joshua J. Williams +2 more
doaj +1 more source
An evaluation of the relative efficacy of an open airway, an oxygen reservoir and continuous positive airway pressure 5 cmH2O on the non-ventilated lung [PDF]
Publisher's copy made available with the permission of the publisher © Australian Society of AnaesthetistsThe aim of this study, during one-lung ventilation, was to evaluate if oxygenation could be improved by use of a simple oxygen reservoir or ...
Russell, W., Jurisevic, C., Slimani, J.
core +1 more source
Rose Bengal Promoted Catalytic Amyloid-β Oxygenation via Sono-Activation [PDF]
Catalytic photo-oxygenation of amyloid-β is a leading therapeutic strategy for the treatment of Alzheimer disease. However, the limited tissue-permeability of light hampers its clinical application.
Miku, Oi +8 more
core +1 more source
UNILATERAL PROFOUND DEAFNESS – A POSSIBLE MECHANISM [PDF]
Purpose: To explain the clinical findings of patients with profound unilateral deafness who have recovered the hearing function after a combined treatment of hyperbaric oxygenation and dehydrant therapy.
Konstantin Georgiev, Yana Pacholova
doaj +1 more source
FEATURE SELECTION APPLIED TO THE TIME-FREQUENCY REPRESENTATION OF MUSCLE NEAR-INFRARED SPECTROSCOPY (NIRS) SIGNALS: CHARACTERIZATION OF DIABETIC OXYGENATION PATTERNS [PDF]
Diabetic patients might present peripheral microcirculation impairment and might benefit from physical training. Thirty-nine diabetic patients underwent the monitoring of the tibialis anterior muscle oxygenation during a series of voluntary ankle flexo ...
Balestra, Gabriella +3 more
core +1 more source
Reversible Oxygenation of α-Amino Acid–Cobalt(II) Complexes
We systematically investigated the reversibility, time lapse, and oxygenation-deoxygenation properties of 15 natural α-amino acid–Co(II) complexes through UV-vis spectrophotometer, polarographic oxygen electrode, and DFT calculations, respectively, to ...
Xincun Zhang +6 more
doaj +1 more source

