Results 61 to 70 of about 1,602,952 (386)

The Role of Hydrogen Sulfide in Evolution and the Evolution of Hydrogen Sulfide in Metabolism and Signaling [PDF]

Physiology, 2016
The chemical versatility of sulfur and its abundance in the prebiotic Earth as reduced sulfide (H2S) implicate this molecule in the origin of life 3.8 billion years ago and also as a major source of energy in the first seven-eighths of evolution. The tremendous increase in ambient oxygen ∼600 million years ago brought an end to H2S as an energy source,
Kenneth R. Olson, Karl D. Straub
openaire   +3 more sources

Facile Synthesis of CuxS Electrocatalysts for CO2 Conversion into Formate and Study of Relations Between Cu and S with the Selectivity

Advanced Functional Materials, EarlyView.
Copper sulfide based electrocatalysts for CO2 conversion are selective for production of formate as major product. Transformations under electrochemical conditions result in significant sulfur loss, and this study examines the nature of how persistent, residual sulfur (observed as surface SO42– species and S dissolved in the electrolyte) can sustain ...
Sasho Stojkovikj, Gumaa A. El‐Nagar, Siddharth Gupta, Metodija Najdoski, Violeta Koleva, Theocharis Tzanoudakis, Frederik Firschke, Peter Bogdanoff, Matthew T. Mayer   +8 more
wiley   +1 more source

Signaling by hydrogen sulfide and cyanide through posttranslational modification.

Journal of Experimental Botany, 2019
A new concept has arisen regarding two cysteine metabolism-related molecules, hydrogen sulfide and hydrogen cyanide, which are considered toxic but have now been established as signaling molecules. Hydrogen sulfide is produced in chloroplasts through the
C. Gotor, I. García, Ángeles Aroca, Ana M. Laureano-Marín, Lucía Arenas-Alfonseca, Ana Jurado-Flores, I. Moreno, L. Romero   +7 more
semanticscholar   +1 more source

Gut microbiota facilitates dietary heme-induced epithelial hyperproliferation by opening the mucus barrier in colon [PDF]

, 2015
Colorectal cancer risk is associated with diets high in red meat. Heme, the pigment of red meat, induces cytotoxicity of colonic contents and elicits epithelial damage and compensatory hyperproliferation, leading to hyperplasia.
Clara Belzer, Giovannucci, Guido J. Hooiveld, Jan Dekker, Lapré, McGarr, Michael Müller, Michiel Kleerebezem, Noortje Ijssennagger, Roelof van der Meer, Saskia W. C. van Mil, Sesink, Sheffner, van Klinken   +13 more
core   +2 more sources

Hydrogen sulfide prodrugs—a review

Acta Pharmaceutica Sinica B, 2015
Hydrogen sulfide (H2S) is recognized as one of three gasotransmitters together with nitric oxide (NO) and carbon monoxide (CO). As a signaling molecule, H2S plays an important role in physiology and shows great potential in pharmaceutical applications. Along this line, there is a need for the development of H2S prodrugs for various reasons.
Zheng, Yueqin, Ji, Xingyue, Ji, Kaili, Wang, Binghe   +3 more
openaire   +3 more sources

Hydrogen sulfide and translational medicine [PDF]

Acta Pharmacologica Sinica, 2013
Hydrogen sulfide (H2S) along with carbon monoxide and nitric oxide is an important signaling molecule that has undergone large numbers of fundamental investigations. H2S is involved in various physiological activities associated with the regulation of homeostasis, vascular contractility, pro- and anti-inflammatory activities, as well as pro- and anti ...
Wei Guo, Ze-yu Cheng, Yi-Zhun Zhu, Yi-Zhun Zhu   +3 more
openaire   +3 more sources

Hydrogel‐Based Photothermal‐Catalytic Membrane for Efficient Cogeneration of Freshwater and Hydrogen in Membrane Distillation System

Advanced Functional Materials, EarlyView.
This work presents an overview of the PTC‐VMD system for water‐hydrogen co‐generation. a) Illustration of the hydrogel‐based PTC membrane and the co‐generation of water and hydrogen. b) Structure of the PTC‐VMD system and the functions of each component layer.
Jiawei Sun, Muhammad Usman Farid, Wenlong Xi, Gang Lu, Min Wei Boey, Sai Kishore Ravi, Patrick H.‐L. Sit, Alicia Kyoungjin An   +7 more
wiley   +1 more source

SPECTROPHOTOMETRIC DETERMINATION OF HYDROGEN SULFIDE IN NATURAL WATERS1

, 1969
Winkler method for dissolved oxygen analysis. Limnol. Oceanog., 10: 135-140. CARRITT, D. E., AND J. H. CARPENTER. 1966. Comparison and evaluation of currently employed modifications of the Winkler method for determining dissolved oxygen in seawater; a ...
J. Cline
semanticscholar   +1 more source

Controllable thioester-based hydrogen sulfide slow-releasing donors as cardioprotective agents [PDF]

, 2019
Hydrogen sulfide (H2S) is an important signaling molecule with promising protective effects in many physiological and pathological processes. However, the study of H2S has been impeded by the lack of appropriate H2S donors that could mimic its slow ...
Liu, Junkai, Liu, Yanpeng, Luo, Shanshan, Xie, Shaowen, Xu, Jinyi, Xu, Shengtao, Yao, Hong, Zhu, Zheying   +7 more
core   +2 more sources

Hydrogen Sulfide as an Oxygen Sensor [PDF]

Antioxidants & Redox Signaling, 2013
Although oxygen (O2)-sensing cells and tissues have been known for decades, the identity of the O2-sensing mechanism has remained elusive. Evidence is accumulating that O2-dependent metabolism of hydrogen sulfide (H2S) is this enigmatic O2 sensor.The elucidation of biochemical pathways involved in H2S synthesis and metabolism have shown that reciprocal
openaire   +5 more sources