Results 31 to 40 of about 38,324 (259)

A Paper-Based Multicolor Colorimetric Aptasensor for the Visual Determination of Multiple Sulfonamides Based on Aptamer-Functionalized Magnetic Beads and NADH–Ascorbic Acid-Mediated Gold Nanobipyramids

Chemosensors, 2023
It is crucial that simple and high-throughput methods for determining multiple, or groups of, sulfonamides (SAs) be developed since they are widely used in animal husbandry and aquaculture. We developed a paper-based multicolor colorimetric aptasensor to
Meiling Ping, Wenchao Lv, Chen Yang, Qian Chen, Zongwen Wang, Fengfu Fu   +5 more
doaj   +1 more source

Síntese de amidas e sulfonamidas de beta-D-galactopiranosilamina e beta-lactosilamina e avaliação de suas interações com lectinas de Erythrina cristagalli e de Ricinus communis Synthesis of amides and sulfonamides of beta-D- galactopyranosylamine and beta-lactosylamine and evaluation of their interactions with the lectins from Erythrina cristagalli and Ricinus communis

Química Nova, 2007
We report herein the synthesis of some beta-D-galactopyranosylamine and beta-lactosylamine amides and sulfonamides. The interactions of these compounds with lectins from the seeds of Erythrina cristagalli (LEC) and Ricinus communis (RCA120) were ...
Anna Paola Butera, José Dias de Souza Filho, Diogo Teixeira Carvalho, Rute Cunha Figueiredo, Luiz Carlos Alves de Faria, Maria Angélica Nunes, Maria Auxiliadora Fontes Prado, Ricardo José Alves, Milton Hércules Guerra de Andrade, Karina Taciana Santos Silva   +9 more
doaj   +1 more source

Amidine Sulfonamides and Benzene Sulfonamides: Synthesis and Their Biological Evaluation

Journal of Chemistry, 2015
New amidine and benzene sulfonamide derivatives were developed and structures of the new products were confirmed by elemental and spectral analysis (FT-IR, ESI-MS, 1HNMR, and 13CNMR).
Muhammad Abdul Qadir, Mahmood Ahmed, Hina Aslam, Sadia Waseem, Muhammad Imtiaz Shafiq   +4 more
doaj   +1 more source

Synthesis of Novel Aryl(heteroaryl)sulfonyl Ureas of Possible Biological Interest

Molecules, 2010
The course of reaction of aryl and heteroaryl sulfonamides with diphenylcarbonate (DPC) and 4-dimethylaminopyridine (DMAP) was found to depend on the pKa of the sulfonamide used.
Maria Gdaniec, Jarosław Sączewski, Karolina Lisewska, Agnieszka Kiedrowska, Marta Łobocka, Monika Samsel, Anna Kuchnio, Franciszek Sączewski, Patrick J. Bednarski   +8 more
doaj   +1 more source

Special Issue: Sulfonamides

Molecules, 2017
The sulfonamides and their structurally related derivatives, such as the sulfamates and sulfamides, possess the general formula A-SO2NHR, in which the functional group is either directly bound to an aromatic, heterocyclic, aliphatic, or sugar scaffold ...
Claudiu T. Supuran
doaj   +1 more source

Impact of Six‐Month Monitoring Compared to Three‐Month Monitoring of Laboratories During Methotrexate Therapy

Arthritis Care &Research, EarlyView.
Objective To evaluate whether extending the American College of Rheumatology–recommended monitoring interval for complete blood count and liver function tests in patients receiving methotrexate (MTX) affects timely detection of medication‐related toxicity.
Spencer Simko, Ray Zhang, Sohini Mukherjee, Puneet Bajaj, Bonnie L. Bermas   +4 more
wiley   +1 more source

Degradation kinetics of six sulfonamides in hen eggs under simulated cooking temperatures [PDF]

Journal of the Serbian Chemical Society, 2011
Six sulfonamides, i.e., sulfadiazine, sulfadimethoxine, sulfamerazine, sulfamethazine, sulfamethoxazole and sulfamonomethoxine, were applied to spike whole hen eggs at 0.1 mg kg-1 eggs.
YING-HUA ZHANG, PENG WU, XIN-HUAI ZHAO
doaj  

Gold-catalyzed intermolecular hydroamination of allenes with sulfonamides

Beilstein Journal of Organic Chemistry, 2013
A co-catalyst of (PPh3)AuCl/AgOTf for the intermolecular hydroamination of allenes with sulfonamides is shown. The reaction proceeded smoothly under mild conditions for differently substituted allenes giving N-allylic sulfonamides in good yields with ...
Chen Zhang, Shao-Qiao Zhang, Hua-Jun Cai, Dong-Mei Cui   +3 more
doaj   +1 more source

Clinical and epidemiological evolution of modern therapy and measles in children

Журнал инфектологии, 2015
Clinical and epidemiological research on the evolution of measles in children in Leningrad – St. Petersburg from 1927–2014 with an analysis of the effectiveness of treatment of this infection. Divided into three periods of fighting «child plague».
V. N. Timchenko, E. B. Pavlova, O. V. Bulina, A. N. Nazarova, O. A. Leonicheva, E. V. Timofeeva   +5 more
doaj   +1 more source

Antibiotics in Raw Meat Samples: Estimation of Dietary Exposure and Risk Assessment

Toxics, 2022
The extensive use of antibiotics in livestock farming poses increased concerns for human health as residues of these substances are present in edible tissues.
Athina Stavroulaki, Manolis N. Tzatzarakis, Vasiliki Karzi, Ioanna Katsikantami, Elisavet Renieri, Elena Vakonaki, Maria Avgenaki, Athanasios Alegakis, Miriana Stan, Matthaios Kavvalakis, Apostolos K. Rizos, Aristidis Tsatsakis   +11 more
doaj   +1 more source