Results 21 to 30 of about 18,205 (153)

Engineering micro oxygen factories to slow tumour progression via hyperoxic microenvironments

open access: yesNature Communications, 2022
Abstract While hypoxia promotes carcinogenesis, tumour aggressiveness, metastasis, and resistance to oncological treatments, the impacts of hyperoxia on tumours are rarely explored because providing a long-lasting oxygen supply in vivo is a major challenge.
Weili Wang   +13 more
openaire   +5 more sources

Hyperspectral imaging detects perfusion and oxygenation differences between stapled and hand-sewn intestinal anastomoses

open access: yesInnovative Surgical Sciences, 2022
Hand-sewn and stapled intestinal anastomoses are both daily performed routine procedures by surgeons. Yet, differences in micro perfusion of these two surgical techniques and their impact on surgical outcomes are still insufficiently understood.
Wagner Tristan   +6 more
doaj   +1 more source

Influence of supplementing red wine with oak staves of various ellagitannin release potentials and different micro-oxygenation doses on wine colour and phenolic and volatile composition

open access: yesOENO One, 2020
Aim: The aim of the study was to evaluate the effect on wine colour and phenolic and volatile composition of supplementing a red wine with different oak staves - selected using a non-invasive measurement method based on infrared spectrometry (Oakscan ...
María Navarro   +8 more
doaj   +1 more source

An Ultrasonically Powered Implantable Micro-Oxygen Generator (IMOG)

open access: yesIEEE Transactions on Biomedical Engineering, 2011
In this paper, we present an ultrasonically powered implantable micro-oxygen generator (IMOG) that is capable of in situ tumor oxygenation through water electrolysis. Such active mode of oxygen generation is not affected by increased interstitial pressure or abnormal blood vessels that typically limit the systemic delivery of oxygen to hypoxic regions ...
Maleki, Teimour   +5 more
openaire   +4 more sources

Interdecadal changes in intensity of the oxygen minimum zone off Concepción, Chile (~ 36° S), over the last century [PDF]

open access: yesBiogeosciences, 2015
We reconstructed oxygenation changes in the upwelling ecosystem off Concepción (36° S), Chile, using inorganic and organic proxies in a sediment core covering the last ca. 110 years of sedimentation in this area.
B. Srain   +7 more
doaj   +1 more source

The protective role of dissolved carbon dioxide against wine oxidation: a simple and rational approach

open access: yesOENO One, 2011
Aims: During wine making, oxygen and carbon dioxide are often simultaneously present in the liquid phase. We propose a simple rational approach, based on usual chemical engineering and thermodynamic principles, to provide understanding and practical ...
Audrey Devatine   +2 more
doaj   +1 more source

Clinical Evaluation of Micro-Embolic Activity with Unexpected Predisposing Factors and Performance of Horizon AF PLUS during Cardiopulmonary Bypass

open access: yesMembranes, 2022
Background: During Cardiopulmonary Bypass (CPB) gaseous micro-emboli (GMEs) decrease the quality of the blood flow and the capillary oxygen delivery, increasing the incidence of postoperative neurocognitive disorders (POCD) following cardiac surgery.
Ignazio Condello   +5 more
doaj   +1 more source

Comparison of the effect of membrane sizes and fibre arrangements of two membrane oxygenators on the inflammatory response, oxygenation and decarboxylation in a rat model of extracorporeal membrane oxygenation

open access: yesBMC Cardiovascular Disorders, 2020
Background Extracorporeal membrane oxygenation (ECMO) has gained widespread acceptance for the treatment of critically ill patients suffering from cardiac and/or respiratory failure.
Fabian Edinger   +6 more
doaj   +1 more source

A Micro Oxygen Sensor Based on a Nano Sol-Gel TiO2 Thin Film [PDF]

open access: yesSensors, 2014
An oxygen gas microsensor based on nanostructured sol-gel TiO2 thin films with a buried Pd layer was developed on a silicon substrate. The nanostructured titania thin films for O2 sensors were prepared by the sol-gel process and became anatase after heat treatment.
Hairong Wang   +4 more
openaire   +3 more sources

Oxygen Consumption by Red Wines under Different Micro-Oxygenation Strategies and Q. Pyrenaica Chips. Effects on Color and Phenolic Characteristics

open access: yesBeverages, 2018
The use of alternative oak products (AOP) for wine aging is a common practice in which micro-oxygenation (MOX) is a key factor to obtain a final wine that is more stable over time and with similar characteristics as barrel-aged wines.
Rosario Sánchez-Gómez   +3 more
doaj   +1 more source

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