Results 251 to 260 of about 113,120 (285)

Dithiocarbamate-Based Self-Assembled Monolayers - The Preparation Method Has a Crucial Impact on Structure and Stability. [PDF]

J Phys Chem Lett
Wróbel M, Niemiec M, Kozieł K, Cyganik P.   +3 more
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Thiols, Thiol Depletion, and Thermosensitivity

Radiation Research, 1983
Hyperthermia sensitization or tolerance is subject to cellular events that may occur at membrane, nuclear, and cytoplasmic sites. We have studied the effects of elevated temperatures on the oxidative-reductive state of the cell by measuring and altering glutathione (GSH) concentrations. GSH plays a pivotal role in maintaining the overall cellular redox
J B, Mitchell, A, Russo
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Thiols, gold-thiols, zinc-thiols and the redox state of hemoglobin

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology, 1993
The beta subunit of human hemoglobin can be oxidized site-specifically through beta-Cys-93 by Cu(II)(His)2. A series of thiol ligands, gold thiols and zinc(II) inhibit this oxidation. The thiol inhibitors formed a transient ternary intermediate involving Cu(I) with consequent inhibition of electron transfer from the Fe(II)-heme. The intermediate led to
S, Potuznik, D, Gelvan, P, Burda, P, Saltman   +3 more
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Low-Molecular-Weight Thiols in Thiol–Disulfide Exchange

Antioxidants & Redox Signaling, 2013
Oxidative stress is widely invoked in inflammation, aging, and complex diseases. To avoid unwanted oxidations, the redox environment of cellular compartments needs to be tightly controlled. The complementary action of oxidoreductases and of high concentrations of low-molecular-weight (LMW) nonprotein thiols plays an essential role in maintaining the ...
Van Laer, Koen, Hamilton, Chris J, Messens, Joris   +2 more
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Chemically Induced Vinylphosphonothiolate Electrophiles for Thiol–Thiol Bioconjugations

Journal of the American Chemical Society, 2020
Herein we introduce vinylphosphonothiolates as a new class of cysteine-selective electrophiles for protein labeling and the formation of stable protein-protein conjugates. We developed a straightforward synthetic route to convert nucleophilic thiols into electrophilic, thiol-selective vinylphosphonothiolates: In this protocol, intermediately formed ...
Alice L, Baumann, Sergej, Schwagerus, Kevin, Broi, Kristin, Kemnitz-Hassanin, Christian E, Stieger, Nils, Trieloff, Peter, Schmieder, Christian P R, Hackenberger   +7 more
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Cytotoxic Thiol Alkylators

Mini-Reviews in Medicinal Chemistry, 2007
Various classes of cytotoxic compounds which alkylate cellular thiols are described namely alpha,beta-unsaturated ketones, alpha-methylene-gamma-lactones, azines of Mannich bases, imexon, isothiocyanates, a benzoacronycine as well as activation by thiols prior to alkylation.
Hari N, Pati, Umashankar, Das, Rajendra K, Sharma, Jonathan R, Dimmock   +3 more
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EXTRACELLULAR THIOLS AND THIOL/DISULFIDE REDOX IN METABOLISM

Annual Review of Nutrition, 2004
▪ Abstract  Many proteins present on cell surfaces and located in extracellular fluids contain cysteine and methionine residues that are subject to oxidation. These proteins, which include transporters, receptors, and enzymes, respond to variations in the extracellular thiol/disulfide redox environment.
Siobhan E, Moriarty-Craige, Dean P, Jones   +1 more
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Metal-free photocatalytic thiol–ene/thiol–yne reactions

Organic & Biomolecular Chemistry, 2019
We report a metal-free photocatalytic approach to the synthesis of glycoconjugates, highlighting the mild nature of the reaction conditions.
Sarbjeet Kaur, Gaoyuan Zhao, Evan Busch, Ting Wang   +3 more
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New Thiols for Photoinitiator‐Free Thiol‐Acrylate Polymerization

Macromolecular Chemistry and Physics, 2013
AbstractNew thiols for efficient thiol‐ene polymerization reactions are presented. They do not exhibit any unpleasant odor, are characterized by quite good light‐absorption properties at λ > 300 nm, and generate thiyl radicals upon UV‐light exposure.
Mohamad‐Ali Tehfe, Shovan Mondal, Malek Nechab, Frédéric Dumur, Michèle P. Bertrand, Bernadette Graff, Didier Gigmes, Jean‐Pierre Fouassier, Jacques Lalevée   +8 more
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