Results 11 to 20 of about 148,467 (219)
Silk scaffolding drives self-assembly of functional and mature human brain organoids
Frontiers in Cell and Developmental Biology, 2022 Human pluripotent stem cells (hPSCs) are intrinsically able to self-organize into cerebral organoids that mimic features of developing human brain tissue.
Edoardo Sozzi +10 more
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The last common ancestor of animals lacked the HIF pathway and respired in low-oxygen environments
eLife, 2018 Animals have a carefully orchestrated relationship with oxygen. When exposed to low environmental oxygen concentrations, and during periods of increased energy expenditure, animals maintain cellular oxygen homeostasis by enhancing internal oxygen ...
Daniel B Mills +6 more
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Sensors, 2023 Novel optical gas-sensing materials for Au nanoparticle (NP)-modified ZnO nanorod (NR) arrays were fabricated using hydrothermal synthesis and magnetron sputtering on Si substrates.
Baosheng Du +5 more
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Physiology and Pathophysiology of Oxygen Sensitivity
Antioxidants, 2021 Oxygen is an essential requirement for metabolism in mammals and many other animals. Therefore, pathways that sense a reduction in available oxygen are critical for organism survival.
Robert S. Fitzgerald, Asuncion Rocher
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Multi-Task Learning for Multi-Dimensional Regression: Application to Luminescence Sensing
Applied Sciences, 2019 The classical approach to non-linear regression in physics is to take a mathematical model describing the functional dependence of the dependent variable from a set of independent variables, and then using non-linear fitting algorithms, extract the ...
Umberto Michelucci, Francesca Venturini
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Nanomaterials, 2018 Electrochemical gas sensors are often used for identifying and quantifying redox-active analyte gases in the atmosphere. However, for amperometric sensors, the current signal is usually dependent on the electroactive surface area, which can become small ...
Ghulam Hussain +2 more
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Hypoxic Conditions in Crown Galls Induce Plant Anaerobic Responses That Support Tumor Proliferation
Frontiers in Plant Science, 2019 Agrobacterium tumefaciens infection of wounded plant tissues causes the formation of crown gall tumors. Upon infection, genes encoded on the A. tumefaciens tumor inducing plasmid are integrated in the plant genome to induce the biosynthesis of auxin and ...
Lucy Kerpen +6 more
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Detection of Molecular Oxygen at Low Concentrations Using Quartz Enhanced Photoacoustic Spectroscopy
Sensors, 2010 Molecular oxygen is detected at low concentrations using photoacoustic spectroscopy despite its unfavorable photoacoustic properties. The system consists of a seed laser diode, a tapered amplifier and a quartz tuning fork based spectrophone, thus ...
Andreas Pohlkötter +3 more
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Plants, 2020 Plants, including most crops, are intolerant to waterlogging, a stressful condition that limits the oxygen available for roots, thereby inhibiting their growth and functionality.
Vinay Shukla +8 more
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Guinea Pig Oxygen-Sensing and Carotid Body Functional Properties
Frontiers in Physiology, 2017 Mammals have developed different mechanisms to maintain oxygen supply to cells in response to hypoxia. One of those mechanisms, the carotid body (CB) chemoreceptors, is able to detect physiological hypoxia and generate homeostatic reflex responses ...
Elvira Gonzalez-Obeso +12 more
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