Results 101 to 110 of about 1,781 (133)

Silver Tip (<i>Camellia sinensis</i>) Extract Promotes Supersulfide Biosynthesis in Keratinocytes. [PDF]

Int J Mol Sci
Kunihiro K, Sano K, Suzuki S.
europepmc   +1 more source

Accelerated Thioarylation of Arenes Using Lewis Acid and Lewis Base Dual Catalysis. [PDF]

J Org Chem
Okunade OAM, Majhi PK, Khanizeman RN, Sutherland A.   +3 more
europepmc   +1 more source

Sulfide dynamics at the gut-microbiota interface: diet, oxygen and redox interplay. [PDF]

Gut Microbes
Kumar R, Banerjee R.
europepmc   +1 more source

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Visualization of Sulfane Sulfur in Plants with a Near-Infrared Fluorescent Probe

ACS Sensors, 2019
Sulfane sulfur species are an important type of reactive sulfur species. These compounds have unique reactivity to attach reversibly to other sulfur atoms and exhibit regulatory effects in diverse biological systems. Recent studies have suggested that sulfane sulfurs are involved in signal transduction processes of hydrogen sulfide (H2S).
Gangwei Jiang, Man Li, Hong Yuan
exaly   +3 more sources

Biological sulfane sulfur

Analytical Biochemistry, 1991
A voltammetric method for determining cyanide-reactive sulfane sulfur in biological materials is described. Samples are incubated with a sulfurtransferase, a thiolic cofactor, and cyanide. Thiocyanate formed and/or residual cyanide may then be determined electrochemically with either a silver rotating disk electrode or a dropping mercury electrode in ...
A M, Westley, J, Westley
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Sulfane Sulfur in Toxicology: A Novel Defense System Against Electrophilic Stress

Toxicological Sciences, 2019
Electrophiles can undergo covalent modification of cellular proteins associated with its dysfunction, thereby exerting toxicity. Small nucleophilic molecules such as glutathione protect cells from electrophilic insult by binding covalently to electrophiles to form adducts that are excreted into the extracellular space.
Yasuhiro Shinkai, Yoshito Kumagai
exaly   +3 more sources

Analysis and characterization of sulfane sulfur

Analytical Biochemistry
In the late 1970s, sulfane sulfur was defined as sulfur atoms covalently bound only to sulfur atoms. However, this definition was not generally accepted, as it was slightly vague and difficult to comprehend. Thus, in the early 1990s, it was defined as "bound sulfur," which easily converts to hydrogen sulfide upon reduction with a thiol-reducing agent ...
Shin Koike, Yuki Ogasawara
exaly   +3 more sources

Benzothiazole-Derived Sulfones and Sulfoxides as Reactive Templates for Biothiols and Sulfane Sulfurs

Organic Letters, 2022
In this work we studied the reactions of benzothiazole sulfones and sulfoxides toward reactive sulfur species. The reaction of thiols with benzothiazole sulfones produces sulfinic acids (RSO2H), which can further react with sulfane sulfurs to form thiosulfonic acids (RSO2SH). This was used to design fluorescent sensors for hydrogen polysulfides.
Shi Xu, Jessica R. Knight, Brock J. Brummett, Meg Shieh, Qi Cui, Yingying Wang, Geat Ramush, Ming Xian   +7 more
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Cross‐Talks Between Sulfane Sulfur and Thiol at a Zinc(II) Site

Chemistry – A European Journal, 2022
AbstractTransformations of sulfane sulfur compounds (e. g. organic polysulfides (R−Sn−R, n>2) and elemental sulfur (S8)) play pivotal roles in the biochemical landscape of sulfur, and thus supports signaling activities of H2S. Although a number of previous reports illustrate amine mediated reactions of S8 and thiol (RSH) yielding R−Sn−R, this report
Tuhin Sahana, Dhanusree C. Kakkarakkal, Subrata Kundu   +2 more
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Electrophilic sulfhydration of 8-nitro-cGMP involves sulfane sulfur

Org. Biomol. Chem., 2014
The complex chemistry taking place between the messenger 8-nitro-cGMP and the gaseous transmitter H2S is governed by dioxygen and thiols.
V, Terzić, D, Padovani, V, Balland, I, Artaud, E, Galardon   +4 more
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