Results 31 to 40 of about 77,925 (335)

Crystal structure of N-[(1S,2S)-2-aminocyclohexyl]-2,4,6-trimethylbenzenesulfonamide

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
The title compound, C15H24N2O2S, was synthesized via a substitution reaction between the enantiopure (1S,2S)-(+)-1,2-diaminocyclohexane and 2,4,6-trimethylbenzene-1-sulfonyl chloride.
Felix N. Ngassa   +2 more
doaj   +1 more source

Sulfonamides identified as plant immune-priming compounds in high-throughput chemical screening increase disease resistance in Arabidopsis thaliana

open access: yesFrontiers in Plant Science, 2012
Plant activators are agrochemicals that protect crops from diseases by activating the plant immune system. To isolate lead compounds for use as practical plant activators, we screened 2 different chemical libraries composed of various bioactive ...
Yoshiteru eNoutoshi   +4 more
doaj   +1 more source

Removal of sulfamethoxazole and sulfapyridine by carbon nanotubes in fixed-bed columns [PDF]

open access: yes, 2013
Sulfamethoxazole (SMX) and sulfapyridine (SPY), two representative sulfonamide antibiotics, have gained increasing attention because of the ecological risks these substances pose to plants, animals, and humans.
Chen, Hao   +5 more
core   +2 more sources

Effect of sulfonamide pollution on the growth of manure management candidate Hermetia illucens.

open access: yesPLoS ONE, 2019
Antibiotics are commonly used in livestock and poultry farming. Residual antibiotics in manure may lead to antibiotic pollution of soil, surface water, and groundwater through land application and run-off rainfall.
Qiao Gao   +6 more
doaj   +1 more source

Benzamide-4-Sulfonamides Are Effective Human Carbonic Anhydrase I, II, VII, and IX Inhibitors

open access: yesMetabolites, 2018
A series of benzamides incorporating 4-sulfamoyl moieties were obtained by reacting 4-sulfamoyl benzoic acid with primary and secondary amines and amino acids. These sulfonamides were investigated as inhibitors of the metalloenzyme carbonic anhydrase (CA,
Morteza Abdoli   +3 more
doaj   +1 more source

Is Blood a Good Indicator for Detecting Antimicrobials in Meat? Evidence for the Development of In Vivo Surveillance Methods

open access: yesAntibiotics, 2020
The introduction of antimicrobial residues in the food chain has a significant impact on human health. An innovative solution to avoid their presence in meat is the adaptation of current control methods for use with in vivo matrixes. Thus, the aim was to
María Jesús Serrano   +11 more
doaj   +1 more source

Synthesis of sulfonamides bearing 1,3,5-triarylpyrazoline and 4-thiazolidinone moieties as novel antimicrobial agents [PDF]

open access: yesJournal of the Serbian Chemical Society, 2020
Two series of sulfonamides were synthesized from 4-hydrazinylbenzenesulfonamide as the key starting material. 1,3,5-Triarylpyrazoline sulfonamides (2a–i) were obtained by cyclocondensation of various chalcones in 53– –64 % yields, while 4-thiazolidinone ...
Thach Thi-Dan   +5 more
doaj   +1 more source

Positive allosteric modulators of the a-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor [PDF]

open access: yes, 2010
L-glutamate is the major excitatory neurotransmitter in the mammalian central nervous system (CNS) and plays a fundamental role in the control of motor function, cognition and mood.
Grove, Simon J .A.   +4 more
core   +1 more source

Dihydropteroate synthase gene mutations in Pneumocystis and sulfa resistance [PDF]

open access: yes, 2004
Pneumocystis pneumonia (PCP) remains a major cause of illness and death in HIV-infected persons. Sulfa drugs, trimethoprim-sulfamethoxazole (TMP-SMX) and dapsone are mainstays of PCP treatment and prophylaxis.
Atzori, C   +6 more
core   +2 more sources

Effects of N-Substituents on the Functional Activities of Naltrindole Derivatives for the δ Opioid Receptor: Synthesis and Evaluation of Sulfonamide Derivatives

open access: yesMolecules, 2020
We have recently reported that N-alkyl and N-acyl naltrindole (NTI) derivatives showed activities for the δ opioid receptor (DOR) ranging widely from full inverse agonists to full agonists.
Chiharu Iwamatsu   +7 more
doaj   +1 more source

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