Results 51 to 60 of about 66,085 (162)

In vitro assessment of antimicrobial, antioxidant, and cytotoxic properties of Saccharin-Tetrazolyl and-Thiadiazolyl derivatives: the simple dependence of the pH value on antimicrobial activity [PDF]

open access: yes, 2019
The antimicrobial, antioxidant, and cytotoxic activities of a series of saccharin-tetrazolyl and -thiadiazolyl analogs were examined. The assessment of the antimicrobial properties of the referred-to molecules was completed through an evaluation of ...
Andrade, Joana M.   +9 more
core   +1 more source

Recent advances in the asymmetric functionalization of N-(tert-butylsulfinyl)polyfluoroalkyl imines

open access: yesЖурнал органічної та фармацевтичної хімії
The review covers the latest achievements in the application of N-(tert-butylsulfinyl)polyfluoroalkyl imines in the asymmetric synthesis and summarizes stereochemical observations of their behavior in different types of reactions (reduction of the C=N ...
Alona S. Cherednichenko   +1 more
doaj   +1 more source

Antibacterial Mechanism of Cinnamon Essential Oil Nanoemulsion against Pseudomonas deceptionensis CM2 Based on Non-targeted Metabolomics

open access: yesShipin gongye ke-ji, 2023
Objective: To investigate the underlying mechanism of cinnamon essential oil nanoemulsion (CON)-induced inactivation of Pseudomonas deceptionensis CM2 with the non-targeted metabolomics approaches. Methods: P.
Dianbo ZHAO   +3 more
doaj   +1 more source

Structural characterization of humic acids, extracted from sewage sludge during composting, by thermochemolysis–gas chromatography–mass spectrometry [PDF]

open access: yes, 2006
Thermochemolysis coupled with gas chromatography and mass spectrometry were applied to determine the structure of humic acids (HA) extracted from a sewage sludge and straw mixture at different steps of composting.
Amblès, André   +8 more
core   +8 more sources

Advances in Chemistry of Isothiocyanate-derived Colourants

open access: yesCzech Journal of Food Sciences, 2009
This study is focused on the reactions of isothiocyanates (ITCs) in the presence of amino compounds leading to coloured structures via substituted 2-thiohydantoins.
K. Cejpek, J. Velíšek
doaj   +1 more source

De Novo Nucleic Acids: A Review of Synthetic Alternatives to DNA and RNA That Could Act as Bio-Information Storage Molecules

open access: yesLife, 2020
Modern terran life uses several essential biopolymers like nucleic acids, proteins and polysaccharides. The nucleic acids, DNA and RNA are arguably life’s most important, acting as the stores and translators of genetic information contained in their base
Kevin G Devine, Sohan Jheeta
doaj   +1 more source

Novel highly emissive non proteinogenic amino acids : synthesis of 1,3,4-thiadiazolyl asparagines and evaluation as fluorimetric chemosensors for biologically relevant transition metal cations [PDF]

open access: yes, 2011
Highly emissive heterocyclic asparagine derivatives bearing a 1,3,4-thiadiazolyl unit at the side chain, functionalised with electron donor or acceptor groups, were synthesised and evaluated as amino acid based fluorimetric chemosensors for metal cations
A García-Raso   +44 more
core   +1 more source

Vinylogous aldol reaction of heterocyclic silyloxy dienes. Application in synthesis [PDF]

open access: yes, 2000
A versatile, readily accessible triad of 2-enoxy silane synthons derived from furan, pyrrole, and thiophene is presented. These heterocycles, in reacting with carbonyl and carbonyl- related acceptors, act as vinylogous nucleophile modules, giving rise ...
Casiraghi, Giovanni   +2 more
core  

Synthesis and reactivity of 4-(trifluoromethyl)azetidin-2-ones [PDF]

open access: yes, 2018
Because of the beneficial effect of a trifluoromethyl group on the biological properties of bioactive compounds on the one hand and the versatile synthetic potential of beta-lactams on the other hand, 4-CF3-beta-lactams comprises interesting entities for
D'hooghe, Matthias   +2 more
core   +1 more source

Heme iron from meat and risk of colorectal cancer: a meta-analysis and a review of the mechanisms involved [PDF]

open access: yes, 2011
Red meat and processed meat intake is associated with a risk of colorectal cancer, a major cause of death in affluent countries. Epidemiological and experimental evidence supports the hypothesis that heme iron present in meat promotes colorectal cancer ...
Bingham   +24 more
core   +4 more sources

Home - About - Disclaimer - Privacy