Results 41 to 50 of about 2,566,479 (206)

C‐Terminal Functionalization Methods of Amino Acids, Peptides, and Proteins

open access: yesChemistry – A European Journal, EarlyView.
C‐terminal functionalization offers powerful routes to peptide and protein diversification, yet epimerization, hydrolysis, and selectivity remain key challenges. This Review surveys enzymatic, decarboxylative, and condensation strategies, highlighting advances toward chemo‐ and regioselective, protecting‐group‐free, atom‐efficient methods applicable to
Jay Hanssens   +3 more
wiley   +1 more source

Metabolite Profiles and Antioxidant Activity of Dendrobium catenatum Under Simulated Wild Cultivation

open access: yesFood Safety and Health, EarlyView.
Dendrobium catenatum grown under simulated wild cultivation showed significantly higher flavonoids and stilbenes, leading to enhanced antioxidant activity in both leaves and stems compared to facility‐grown plants. Integrated metabolomics, antioxidant assays, and network pharmacology identified Denbinobin as a key multi‐target antioxidant compound ...
Chuyun Guan   +7 more
wiley   +1 more source

Clinical study on gut microbiota and metabolomic characteristics in septic patients

open access: yesZhongguo Linchuang Yixue
ObjectiveTo explore the dynamic changes of gut microbiota metabolites in septic patients following admission, as well as the correlations between these metabolites, the gut microbiota, and the prognosis of septic patients.
Xiangyu Long, Zhenju Song, Mian Shao
doaj   +1 more source

Uremic toxins inhibit transport by breast cancer resistance protein and multidrug resistance protein 4 at clinically relevant concentrations.

open access: yesPLoS ONE, 2011
During chronic kidney disease (CKD), there is a progressive accumulation of toxic solutes due to inadequate renal clearance. Here, the interaction between uremic toxins and two important efflux pumps, viz. multidrug resistance protein 4 (MRP4) and breast
Henricus A M Mutsaers   +7 more
doaj   +1 more source

The Microbiome–Metabolome Response in the Colon of Piglets Under the Status of Weaning Stress

open access: yesFrontiers in Microbiology, 2020
Weaning is stressful for piglets involving nutritional, physiological, and psychological challenges, leading to an increase in the secretion of cortisol, changes in gut microbiome and metabolites, whereas the underlying relationships remain unclear.
Xueyuan Jiang   +6 more
doaj   +1 more source

Styrene and its natural analogues: accumulation and sustainable production methods

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Styrene, also known as vinyl benzene, is a colourless, highly volatile petrochemical that serves as a key monomer in the production of polystyrene and styrene‐butadiene rubber. Its industrial synthesis via the alkylation of benzene with ethylene relies on fossil fuels, requiring high temperatures and toxic catalysts that contribute to ...
Mwafaq Ibdah   +6 more
wiley   +1 more source

ISAba1‐mediated crp‐osmC amplification enhances host‐associated fitness in Acinetobacter baumannii

open access: yesmLife, EarlyView.
Abstract Acinetobacter baumannii is a pathogen, highly adaptable to both hospital‐ and host‐associated environments. Understanding the genetic mechanisms underlying its adaptability is critical for controlling its persistence. Our study identified the crp‐osmC gene cluster, flanked by ISAba1 elements, as a significant genetic structure undergoing ...
Da‐Wei Wei   +7 more
wiley   +1 more source

Antityrosinase and antimicrobial activities of 2-phenylethanol, 2-phenylacetaldehyde and 2-phenylacetic acid

open access: yes, 2010
The inhibition kinetics of 2-phenylethanol, 2-phenylacetaldehyde and 2-phenylacetic acid on the enzyme activity of mushroom tyrosinase have been investigated.
陈清西   +9 more
core   +2 more sources

Chemogenetic activation of mammalian brain neurons expressing insect Ionotropic Receptors by systemic ligand precursor administration

open access: yesCommunications Biology
Chemogenetic approaches employing ligand-gated ion channels are advantageous regarding manipulation of target neuronal population functions independently of endogenous second messenger pathways.
Yoshio Iguchi   +17 more
doaj   +1 more source

Plant‐Derived Natural Product Nanodelivery System in Cancer Therapy

open access: yesPhytotherapy Research, EarlyView.
This review comprehensively summarizes the recent progress and emerging concepts in nanotechnology‐based delivery systems for plant‐derived natural products, with a particular focus on their application in precision cancer therapy. ABSTRACT Plant‐derived natural products have emerged as important sources of anticancer agents because of their diverse ...
Changqi Shi   +9 more
wiley   +1 more source

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