Results 21 to 30 of about 5,589,399 (306)

The Effects of Bilirubin and Lumirubin on Metabolic and Oxidative Stress Markers

open access: yesFrontiers in Pharmacology, 2021
For severe unconjugated hyperbilirubinemia the gold standard treatment is phototherapy with blue-green light, producing more polar photo-oxidation products, believed to be non-toxic.
Aleš Dvořák   +11 more
doaj   +1 more source

Serum concentration impacts myosin heavy chain expression but not cellular respiration in human LHCN‐M2 myoblasts undergoing differentiation

open access: yesExperimental Physiology, 2023
The human LHCN‐M2 myoblast cell line has the potential to be used to investigate skeletal muscle development and metabolism. Experiments were performed to determine how different concentrations of human serum affect myogenic differentiation and ...
Mark C. Turner   +4 more
doaj   +1 more source

Comparison Between O and OH Intermediates of Cytochrome c Oxidase Studied by FTIR Spectroscopy

open access: yesFrontiers in Chemistry, 2020
Cytochrome c oxidase is terminal enzyme in the respiratory chain of mitochondria and many aerobic bacteria. It catalyzes reduction of oxygen to water. During its catalysis, CcO proceeds through several quite stable intermediates (R, A, PR/M, O/OH, E/EH).
Elena Gorbikova   +2 more
doaj   +1 more source

Association between Fractional Oxygen Extraction from Resting Quadriceps Muscle and Body Composition in Healthy Men

open access: yesJournal of Functional Morphology and Kinesiology, 2023
This study aimed to associate body composition with fractional oxygen extraction at rest in healthy adult men. Fourteen healthy adults (26.93 ± 2.49 years) from Chile participated.
Rodrigo Yáñez-Sepúlveda   +6 more
doaj   +1 more source

THE RESPIRATION OF GROWING PLANT CELLS [PDF]

open access: yesPlant Physiology, 1945
Growing cells of the hypocotyl of Helianthus seedlings were used, employing conditions identical with those of previous experiments cited above. The uppermost thirty-five millimeters of hypocotyl were cut in seven segments of uniform length (5 mm.). The region in which the cells were embryonic was not more than one millimeter long.
W, Donnelly, W A, Beck
openaire   +2 more sources

Adhesion Forces of Oral Bacteria to Titanium and the Correlation with Biophysical Cellular Characteristics

open access: yesBioengineering, 2022
Bacterial adhesion to dental implants is the onset for the development of pathological biofilms. Reliable characterization of this initial process is the basis towards the development of anti-biofilm strategies.
Katharina Doll-Nikutta   +8 more
doaj   +1 more source

Plastron Respiration Using Commercial Fabrics [PDF]

open access: yes, 2014
A variety of insect and arachnid species are able to remain submerged in water indefinitely using plastron respiration. A plastron is a surface-retained film of air produced by surface morphology that acts as an oxygen-carbon dioxide exchange surface ...
Christopher Hamlett   +24 more
core   +1 more source

The Warburg effect suppresses oxidative stress induced apoptosis in a yeast model for cancer. [PDF]

open access: yesPLoS ONE, 2009
BACKGROUND: Otto Warburg observed that cancer cells are often characterized by intense glycolysis in the presence of oxygen and a concomitant decrease in mitochondrial respiration.
Christoph Ruckenstuhl   +7 more
doaj   +1 more source

Effect of Antibiotics on Respiration in Human Cells [PDF]

open access: yesPediatric Research, 1972
Extract: Chloramphenicol (CAP), chloramphenicol succinate (CAP-S), tetracycline (TET), and erythromycin (EM) inhibited synthesis of a mitochondrial enzyme, cytochrome oxidase, in cultured human fibroblasts; the 50% inhibitory concentrations were 7.5, 13, 18, and 350 $mUM respectively, or 2.4, 4.1, 8, and 250 $mUg/ml.
D A, Pious, P, Hawley
openaire   +2 more sources

Bomb-14C analysis of ecosystem respiration reveals that peatland vegetation facilitates release of old carbon [PDF]

open access: yes, 2009
The largest terrestrial-to-atmosphere carbon flux is respired CO2. However, the partitioning of soil and plant sources, understanding of contributory mechanisms, and their response to climate change are uncertain.
Fallick, A. E.   +9 more
core   +1 more source

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