Results 1 to 10 of about 381 (141)

Twice as Nice: The Duff Formylation of Umbelliferone Revised [PDF]

open access: yesMolecules, 2021
More efficient and preferably more convenient and greener synthetic solutions in coumarin scaffold functionalization are in steady demand. The Duff ortho-formylation of unsubstituted umbelliferone was revised in this study.
Vadim V Negrebetsky   +2 more
exaly   +7 more sources

Targeted Delivery Inside the Cells Directly Visualized with Förster Resonance Energy Transfer (FRET) [PDF]

open access: yesPolymers
We established a real-time Förster resonance energy transfer (FRET) based assay to evaluate targeted drug delivery using polymeric micelles. Red fluorescent protein (RFP)-expressing E. coli cells were used as a test system to monitor the delivery of
Igor D Zlotnikov   +2 more
exaly   +3 more sources

Dissociation Constants of Umbelliferones

open access: yesZeitschrift Fur Physikalische Chemie, 1957
exaly   +3 more sources

Coumarin-based, switchable fluorescent substrates for enzymatic bacterial detection [PDF]

open access: yesTalanta, 2018
Enzymatically-switchable fluorescent substrates, such as the commercially available 4-methyl umbelliferones (4-MU) are used as standard indicators of enzymatic activity for the detection of various microorganisms and pathogens.
Giorgia Giovannini   +2 more
exaly   +2 more sources

Anti-Melanogenic Effects of Umbelliferone: In Vitro and Clinical Studies. [PDF]

open access: yesMolecules
Melanin overexpression causes skin hyperpigmentation, which is associated with various skin disorders and cosmetic concerns. Umbelliferone, a natural coumarin found widely in plant species, has been noted for its antioxidant and anti-inflammatory effects but has received little attention for its impact on melanogenesis.
Kim DJ, Jung MS, Jin HU, Kim MS, An CE.
europepmc   +4 more sources

Chromo-fluorogenic probes for beta-galactosidase detection [PDF]

open access: yes, 2021
[EN] beta-Galactosidase (beta-Gal) is a widely used enzyme as a reporter gene in the field of molecular biology which hydrolyzes the beta-galactosides into monosaccharides.
Blandez, Juan F.   +3 more
core   +1 more source

Structural Characterization of Mono and Dihydroxylated Umbelliferone Derivatives [PDF]

open access: yesMolecules, 2020
Coumarin derivatives are a class of compounds with a pronounced wide range of applications, especially in biological activities, in the medicine, pharmacology, cosmetics, coatings and food industry. Their potential applications are highly dependent on the nature of the substituents attached to their nucleus.
Rubén Seoane-Rivero   +8 more
openaire   +5 more sources

Zur Kenntniss des Umbelliferons [PDF]

open access: yesBerichte der deutschen chemischen Gesellschaft, 1886
n ...
Will, W., Beck, P.
openaire   +2 more sources

The Use of Umbelliferone in the Synthesis of New Heterocyclic Compounds [PDF]

open access: yesMolecules, 2011
New coumarin derivatives, namely 7-[(5-amino-1,3,4-thiadiazol-2-yl)methoxy]-2H-chromen-2-one (4), 5-[(2-oxo-2H-chromen-7-yloxy)methyl]-1,3,4-thiadiazol-2(3H)-one (5), 2-[2-(2-oxo-2H-chromen-7-yloxy)acetyl]-N-phenylhydrazinecarbothioamide (7), 7-[(5-(phenylamino)-1,3,4-thiadiazol-2-yl)methoxy]-2H-chromen-2-one (8) and 7-[(5-mercapto-4-phenyl-4H-1,2,4 ...
Ahmed A. Al-Amiery   +3 more
openaire   +3 more sources

Bottom‐Up Coacervate‐Based Artificial Cells: Integrating Cellular Hallmarks into Complex Life‐Like Systems

open access: yesAngewandte Chemie, Volume 138, Issue 22, 25 May 2026.
Current interest in artificial cell research underscores its potential to deepen our understanding of life's fundamental processes. This review highlights advances in bottom‐up coacervate‐based artificial cell engineering via combined integration of cellular hallmarks.
Arjan Hazegh Nikroo   +3 more
wiley   +2 more sources

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