Results 211 to 220 of about 88,343 (296)

A Novel Phenolic From the Heartwood of Cotinus coggygria Scop. With Potential Neuroprotective Effects: In Silico and In Vitro Studies

open access: yesChemistry &Biodiversity, Volume 23, Issue 11, November 2026.
A new phenolic glycoside, cotinusin A, was isolated from the heartwood of Cotinus coggygria together with seven known compounds. Cotinusin A attenuates glutamate‑induced oxidative injury in HT22 cells (EC50 = 3.852 µM) and suppresses TNF‑α‑induced NF‑κB activation in a 293T luciferase reporter assay.
Caiwen Meng   +7 more
wiley   +1 more source

Precision Profiling of α‐1,4‐ Versus α‐1,6‐Glycosidase Activity Through Synthetic Linear and Branched Glycogen Tetramers Using Cyclic Ion Mobility Mass Spectrometry and High‐Performance Liquid Chromatography‐Mass Spectrometry

open access: yesChemistryEurope, Volume 4, Issue 11, November 2026.
Synthesis of glycogen‐like tetrasaccharides allowed the design of an integrated HILIC‐MS/cyclic ion mobility MS workflow to characterize glycosidase specificity. HsGDE selectively hydrolyzed α‐1,6 branches, whereas yeast α‐1,4‐glucosidase preferentially cleaved α‐1,4 linkages, and the rice enzyme showed broader regioisomeric activity.
Delphine Carry   +12 more
wiley   +1 more source

Modeling of Color and Degradation of C‐Phycocyanin Extracted From Arthrospira platensis and Chlorogloeopsis HTF

open access: yesChemie Ingenieur Technik, Volume 98, Issue 11, Page 671-682, November 2026.
A nonlinear kinetic model was developed and successfully implemented, which describes the degradation of the protein C‐phycocyanin depending on temperature and pH value. C‐phycocyanin had been extracted from two different cyanobacteria. In addition to protein degradation, the fading of the typical blue color of this protein was included in the model ...
Martina Kießling   +5 more
wiley   +1 more source

Protocols for Assessing Storage Stability and Solubility of Released N‐Linked Glycans Prior to Mass Spectrometry Analysis

open access: yesCurrent Protocols, Volume 6, Issue 11, November 2026.
Abstract Released N‐linked glycans are frequently stored between enzymatic release, cleanup, and LC–MS analysis, yet storage solvent and freeze–thaw handling are often reported incompletely or omitted. This unit provides a procedure for determining, within a given laboratory and for a given glycan preparation, whether a selected storage condition ...
Oluwaseun O. Ajayi, Tunde A. Aduloju
wiley   +1 more source

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