Results 71 to 80 of about 91,068 (301)
Molecules, 2020 New pyranocoumarin and coumarin-sulfonamide derivatives were prepared and evaluated for their antioxidant, antimicrobial, and/or anti-inflammatory activities.
Hanan M. Alshibl +8 more
semanticscholar +1 more source
Therapeutic Applications of Stimuli‐Based Release and Engineering of Extracellular Vesicles
Advanced NanoBiomed Research, EarlyView.This review summarizes the effects of endogenous and exogenous stimuli, their effects on the natural release of extracellular vesicles, as well as their uptake and release. It also gives an overview of stimuli‐responsive EVs and their therapeutic applications. Extracellular vesicles (EVs), nano‐ to microsized lipid bilayer membrane‐bound particles, are
Gloria Kemunto, Kristen Dellinger
wiley +1 more source
Angewandte Chemie, EarlyView.Die Kontrolle biologischer Systeme mit organischen Chromophoren hat sich zu einer vielversprechenden Strategie entwickelt und findet Anwendung von der chemischen Biologie bis hin zur Medizin. Die Komplexität von In‐vivo‐Systemen lässt sich jedoch nicht mit nur einer einzigen Lichtwellenlänge adäquat abbilden.
Nadja A. Simeth
wiley +1 more source
Journal of Radiation Research and Applied Sciences, 2016 FTIR spectroscopy has been in use broadly to study microscopic areas in polymers for the last years. The FTIR transmission spectra of coumarin laser dye, polystyrene and coumarin doped polystyrene films with different doping ratio of coumarin solution ...
Mahasin F. Hadi Al-Kadhemy +2 more
doaj +1 more source
Recent advances in the biosynthesis of coumarin and its derivatives
Green Chemical EngineeringCoumarin and its derivatives, presenting in many organisms (plants, fungi, and bacteria), are critical metabolites composed of fused benzene and α-pyrone rings.
Yusong Zou, Yuxi Teng, Joy Li, Yajun Yan
doaj +1 more source
4-Hydroxy-3-[(2E)-3-(3,4,5-trimethoxyphenyl)prop-2-enoyl]-2H-chromen-2-one
Acta Crystallographica Section E, 2009 A new chalcone of the coumarin, C21H18O7, containing an annulated α-pyrone ring, was obtained by condensation of the borate complex of acyl(hydroxy)coumarin with trimethoxybenzaldehyde.
Lassaad Mechi +3 more
doaj +1 more source
Toward Chromoselective Transformations in Biological Systems: Perspectives and Challenges
Angewandte Chemie International Edition, EarlyView.Controlling biological systems with small‐molecule chromophores has evolved into a powerful strategy and is applied from chemical biology to medicine. However, the complexity of in vivo systems cannot be matched by a single wavelength of light. Developing methods to combine and individually control multiple chromophores is crucial.
Nadja A. Simeth
wiley +1 more source
DFT Calculations and Mesophase Study of Coumarin Esters and Its Azoesters
Crystals, 2018 Two groups of coumarin derivatives, 4-methyl-2-oxo-2H-chromen-7-yl 4-alkoxybenzoates (coumarin esters), In, and 4-methyl-2-oxo-2H-chromen-7-yl 4-(2-(4-alkoxyphenyl)diazenyl) benzoates (coumarin azoesters), IIn, were synthesized and investigated for their
M. Hagar, H.A. Ahmed, O.A. Alhaddadd
doaj +1 more source
Late‐Stage Functionalization of Peptides on the Solid Phase
Angewandte Chemie International Edition, EarlyView.Peptide modifications are essential to control pharmacodynamic and pharmacokinetic properties of peptide drugs. Consequently, strategies that allow for efficient and rapid incorporation of non‐canonical modifications into peptides in parallel formats are highly sought after.
Marius Werner +2 more
wiley +1 more source
Biomolecules, 2020 Quercetin and coumarin, two naturally occurring phytochemicals of plant origin, are known to regulate hyperglycemia and oxidative stress. The present study was designed to evaluate the inhibitory activity of quercetin and coumarin on dipeptidyl peptidase-
Anand-Krishna Singh +5 more
semanticscholar +1 more source