Results 1 to 10 of about 2,258 (185)

Genomic characterization and fermentation study of the endophyte Stemphylium sp. (Aa22), a producer of bioactive alkyl-resorcinols. [PDF]

open access: yesPLoS ONE
The genome of the previously described endophytic fungus Stemphylium sp. (strain Aa22) has been sequenced to near completion. Phylogenomic analysis placed strain Aa22 in close proximity to Stemphylium lycopersici. Strain Aa22 had been previously reported
Jorge Rojas López-Menchero   +4 more
doaj   +2 more sources

Functional flexibility of a type III polyketide synthase in Mycobacterium marinum [PDF]

open access: yesiScience
Summary: Type III polyketide synthases (T3PKSs) exhibit remarkable potential to biosynthesize a wide array of architecturally distinct and functionally important metabolites.
Umesh Prasad Sah Hathi   +6 more
doaj   +2 more sources

HFIP as a versatile solvent in resorcin[n]arene synthesis [PDF]

open access: yesBeilstein Journal of Organic Chemistry
Herein, we present 1,1,1,3,3,3-hexafluoroisopropanol (HFIP) as an efficient solvent for synthesizing resorcin[n]arenes in the presence of catalytic amounts of HCl at ambient temperature and within minutes.
Hormoz Khosravi   +2 more
doaj   +2 more sources

Chemical Profile and Antioxidant Capacity of Propolis from Tetragonula, Lepidotrigona, Lisotrigona and Homotrigona Stingless Bee Species in Vietnam [PDF]

open access: yesMolecules, 2022
The present study aimed to analyze and compare the chemical profile and antioxidant capacity of propolis from different bee species and different regions.
Milena Popova   +8 more
doaj   +2 more sources

Recent Advances in Synthesis and Applications of Calixarene Derivatives Endowed with Anticancer Activity [PDF]

open access: yesMolecules
Calix[n]arenes, macrocycles constituted of 4–8 phenol moieties linked through methylene bridges, are stable molecules that can be selectively functionalised at the upper or lower rim.
Elżbieta Wojaczyńska   +5 more
doaj   +2 more sources

The Effect of Cosmetic Ingredients of Phenol Type on Immediate Pigment Darkening and Their (Photo)Protective Action in Association with Melanin Pigmentation: A Model In Vitro Study

open access: yesCosmetics, 2023
Immediate pigment darkening, the first response of skin to solar exposure leading to undesired irregular pigmentation and dark spots, is the rapid onset of melanin pigmentation resulting from oxidation of the melanogenic indoles, namely 5,6 ...
Sara Viggiano   +4 more
doaj   +1 more source

Coupling of resorcinols in retorted kukersite semi-coke; pp. 75–85 [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2014
Coupling products of three major phenols appearing in the waste streams of shale oil production from kukersite oil shale were isolated and analysed using high-resolution mass spectrometry (HRMS). The pattern of water-soluble phenols in retorted kukersite
Jaan Habicht, Uno Mäeorg
doaj   +1 more source

Fenchone Derivatives as a Novel Class of CB2 Selective Ligands: Design, Synthesis, X-ray Structure and Therapeutic Potential

open access: yesMolecules, 2022
A series of novel cannabinoid-type derivatives were synthesized by the coupling of (1S,4R)-(+) and (1R,4S)-(−)-fenchones with various resorcinols/phenols.
Reem Smoum   +10 more
doaj   +1 more source

Contact Allergy Induced by Mango (Mangifera indica): A Relevant Topic?

open access: yesMedicina, 2021
Introduction: The most common clinical manifestation of mango allergy is contact dermatitis, which can be localized or systemic. The sensitising substances that have long been suspected are alk(en)yl catechols and/or alk(en)yl resorcinols.
Elena Camelia Berghea   +4 more
doaj   +1 more source

The Azotobacter vinelandii AlgU regulon during vegetative growth and encysting conditions: A proteomic approach.

open access: yesPLoS ONE, 2023
In the Pseduomonadacea family, the extracytoplasmic function sigma factor AlgU is crucial to withstand adverse conditions. Azotobacter vinelandii, a closed relative of Pseudomonas aeruginosa, has been a model for cellular differentiation in Gram-negative
Sangita Chowdhury-Paul   +6 more
doaj   +1 more source

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