Results 41 to 50 of about 5,067,634 (225)
Reaction Mechanisms of H2S Oxidation by Naphthoquinones
Antioxidants1,4-naphthoquinones (NQs) catalytically oxidize H2S to per- and polysufides and sulfoxides, reduce oxygen to superoxide and hydrogen peroxide, and can form NQ-SH adducts through Michael addition.
Kenneth R. Olson +16 more
doaj +1 more source
, 2016 Sulfur-Atom Transfer from Elemental Sulfur to Nickel−Carbon Bonds as a New Route to Reactive Nickel(II ...
Gregory L. Hillhouse (1321848) +1 more
core +1 more source
Reactive Species-Activatable AIEgens for Biomedical Applications
Biosensors, 2022 Precision medicine requires highly sensitive and specific diagnostic strategies with high spatiotemporal resolution. Accurate detection and monitoring of endogenously generated biomarkers at the very early disease stage is of extensive importance for ...
Xiaoying Kang +4 more
doaj +1 more source
Frontiers in Pharmacology, 2020 Metabolic reprogramming is a cancer hallmark. Although the reprogramming of central carbon has been well documented, the role of sulfur metabolism has been largely overlooked.
Ximing Zhang +7 more
doaj +1 more source
A Sulfur Monoxide Surrogate Designed for the Synthesis of Sulfoxides and Sulfinamides [PDF]
, 2023 Sulfur monoxide (SO) is a highly reactive species that cannot be isolated in bulk. However, SO can play a pivotal role as a fundamental building block in organic synthesis.
Fumito, Saito, David, Austrup
core +2 more sources
FEBS Letters, EarlyView.Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell +2 more
wiley +1 more source
Potential Role of Sulfur-Containing Antioxidant Systems in Highly Oxidative Environments
Molecules, 2014 All forms of life maintain a reducing environment (homeostasis) within their cells. Perturbations in the normal redox state can lead to an oxidative environment which has deleterious effects, especially in health.
Emmanuel Mukwevho +2 more
doaj +1 more source
The Reactive Species Interactome in Red Blood Cells: Oxidants, Antioxidants, and Molecular Targets
Antioxidants, 2023 Beyond their established role as oxygen carriers, red blood cells have recently been found to contribute to systemic NO and sulfide metabolism and act as potent circulating antioxidant cells. Emerging evidence indicates that reactive species derived from
Miriam M. Cortese-Krott
doaj +1 more source
FEBS Letters, EarlyView.Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav +2 more
wiley +1 more source
A novel S-sulfhydrated human serum albumin preparation suppresses melanin synthesis
Redox Biology, 2018 Products of ultraviolet (UV) irradiation such as reactive oxygen species (ROS) and nitric oxide (NO) stimulate melanin synthesis. Reactive sulfur species (RSS) have been shown to have strong ROS and NO scavenging effects. However, the instability and low
Mayumi Ikeda +10 more
doaj +1 more source