Results 11 to 20 of about 10,509,509 (258)

Oxygen therapy in respiratory disorders [PDF]

open access: yes, 2012
PhDOxygen therapy remains a cornerstone of medical practice and is generally regarded as being safe. However, there is a lack of clinical evidence to support the routine use of oxygen therapy, and in certain conditions, injudicious oxygen may cause harm.
Wijesinghe, Meme
core   +4 more sources

Evaluation of the blood-oxygen-level-dependent (BOLD) sequence with 3 Tesla device in renal transplant patients in the assessment of early allograft disfunction, correlated with biopsy

open access: yes, 2021
Objective To evaluate the ability of blood-oxygen-level-dependent (BOLD) magnetic resonance imaging at 3 Tesla to measure tissue oxygen bioavailability based on R2* values, and to differentiate between acute tubular necrosis and acute rejection compared
Rodrigo Gobbo Garcia (4695208)   +4 more
core   +1 more source

Tuning Reconstruction Level of Precatalysts to Design Advanced Oxygen Evolution Electrocatalysts

open access: yesMolecules, 2021
Surface reconstruction engineering is an effective strategy to promote the catalytic activities of electrocatalysts, especially for water oxidation. Taking advantage of the physicochemical properties of precatalysts by manipulating their structural self ...
Hainan Sun, Yinlong Zhu, WooChul Jung
doaj   +1 more source

Low-Oxygen Atmosphere and its Predictors among Agricultural Shallow Wells in Northern Thailand

open access: yesSafety and Health at Work, 2015
Background: In 2006, three farmers died at the bottom of an agricultural shallow well where the atmosphere contained only 6% oxygen. This study aimed to document the variability of levels of oxygen and selected hazardous gases in the atmosphere of wells,
Gobchok Wuthichotwanichgij   +1 more
doaj   +1 more source

Marine deposits of the Chuy Formation (Late Pleistocene) and isostatic readjustments in the area of Laguna de Rocha (Uruguay)

open access: yesAgrociencia Uruguay, 2022
The Chuy Formation is characterized by up to 135 m of an alternation of green pelites and fine to coarse sandstones with sparse invertebrate fossils. The marine deposits are interbedded with continental, loessic deposits of the Libertad Formation and ...
Eduardo Castiglioni   +3 more
doaj   +1 more source

The use of protective masks and the level of arterial oxygen saturation at rest and after exercise [PDF]

open access: yes, 2022
BackgroundStudies of influenza, and human coronaviruses provide evidence that the use of a medical mask can prevent the spread of infectious droplets from an infected person to someone else.
Kaleta-Pilarska, Angelina   +5 more
core   +1 more source

A persistently low level of atmospheric oxygen in Earth’s middle age

open access: yesNature Communications, 2021
Constraining the rise in atmospheric oxygen through the early Earth is important to understand the evolution of complex life. Here, the authors find that a major rise in atmospheric oxygen level occurred after the Great Oxidation Event, followed by pO2 ...
Xiao-Ming Liu   +6 more
doaj   +1 more source

In Vivo Imaging of Plant Oxygen Levels

open access: yesPlant and Cell Physiology, 2021
Abstract Oxygen is essential for multicellular aerobic life due to its central role in energy metabolism. The availability of oxygen can drop below the level to sustain oxidative phosphorylation when plants are flooded, posing a severe threat to survival.
openaire   +2 more sources

Effect of Music Therapy on Oxygen Saturation Level: A Literature Review

open access: yesHarmonia: Journal of Arts Research and Education, 2022
Music therapy as a non-invasive therapeutic modality is gaining prominence worldwide both in hospital settings as an adjunct therapy as well as for community wellbeing.
Ruma Chakravarty   +2 more
doaj   +1 more source

Oxygen Homeostasis: How the Worm Adapts to Variable Oxygen Levels [PDF]

open access: yesCurrent Biology, 2008
A recent study has found that activation of the hypoxia-inducible transcription factor HIF in the nematode Caenorhabditis elegans can alter oxygen preferences and dramatically re-wire the neuronal circuit required for avoiding high oxygen levels.
Branicky, Robyn S., Schafer, William R.
openaire   +2 more sources

Home - About - Disclaimer - Privacy