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Introduction: pneumonia.
Tillotson GS
Chest, 136(5 Suppl), e20-e21 (2009)
Shaojun Yang et al.
The Journal of pharmacology and experimental therapeutics, 352(3), 529-540 (2015-01-01)
Sepiapterin reductase (SPR) catalyzes the reduction of sepiapterin to dihydrobiopterin (BH2), the precursor for tetrahydrobiopterin (BH4), a cofactor critical for nitric oxide biosynthesis and alkylglycerol and aromatic amino acid metabolism. SPR also mediates chemical redox cycling, catalyzing one-electron reduction of
Yanhua Cui et al.
Wei sheng yan jiu = Journal of hygiene research, 39(4), 440-443 (2010-08-24)
To prepare artificial antigens of sulfaguanidine and sulfathiazole for detecting sulfaguanidine and sulfathiazole in foods of animal origin. The artificial antigens were synthesized by the diazotization methods of coupling sulfaguanidine and sulfathiazole with bovine serum albumin (BSA), and the coupling
Determination of sulfonamides in meat by liquid chromatography coupled with atmospheric pressure chemical ionization mass spectrometry
Kim H-D, et al.
Bull. Korean Chem. Soc., 23(11), 1590-1594 (2002)
Comparison of separation conditions and ionization methods for the liquid chromatography?mass spectrometric determination of sulfonamides
Kim H-D and Lee WD
Journal of Chromatography A, 984(1), 153-158 (2003)
Jin-Wook Kwon
Bulletin of environmental contamination and toxicology, 87(1), 40-44 (2011-05-10)
Sulfonamides and tetracyclines are pharmaceuticals widely used to treat human and animal diseases. They are of considerable concern in Korea because of the potential risk of residues in aquatic and terrestrial environments. This study investigated the mobility of veterinary drugs
T Lotti et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 66(7), 1519-1526 (2012-08-07)
The feasibility of anaerobic ammonium oxidation (anammox) process to treat wastewaters containing antibiotics and heavy metals (such as the liquid fraction of the anaerobically digested swine manure) was studied in this work. The specific anammox activity (SAA) was evaluated by
Rocío Morales et al.
Analytica chimica acta, 707(1-2), 38-46 (2011-10-27)
The present work proposes an analytical procedure to determine sulfathiazole in milk by using molecular fluorescence spectroscopy. For this sulfonamide the European Union in Regulation 37/2010 has established a maximum residue limit in milk of 100 μg kg(-1). The study
Estela Climent et al.
Journal of the American Chemical Society, 131(39), 14075-14080 (2009-09-11)
This paper describes the design of new controlled delivery systems consisting of a mesoporous support functionalized on the pore outlets with a certain hapten able to interact with an antibody that acts as a nanoscopic cap. The opening protocol and
R L Then
Reviews of infectious diseases, 4(2), 261-269 (1982-03-01)
A variety of different mechanisms are known to be responsible for either natural or acquired resistance to trimethoprim, the sulfonamides, or trimethoprim-sulfonamide combinations. Some mechanisms of obvious clinical importance have been studied intensively. Among these are unique bypass mechanisms such
Izabela Muszalska-Kolos et al.
Molecules (Basel, Switzerland), 25(9) (2020-05-10)
The 3,9-dihydro-3-[(2-hydroxyethoxy)methyl]-6-(4-methoxyphenyl)-9-oxo-5H-imidazo[1,2-a]-purine (6-(4-MeOPh)-TACV) was selected to assess the enzymatic stability of the tricyclic acyclovir derivatives from the imidazo[1,2-a]-purine group. The parent compound and its esters (acetyl, isobutyryl, pivaloyl, nicotinic, ethoxycarbonyl) were subjected to kinetic studies and compared with the stability
Vincent Caron et al.
Molecular pharmaceutics, 8(2), 532-542 (2011-02-18)
Formulations containing amorphous active pharmaceutical ingredients (APIs) present great potential to overcome problems of limited bioavailability of poorly soluble APIs. In this paper, we directly compare for the first time spray drying and milling as methods to produce amorphous dispersions
Maki Kanda et al.
Journal of AOAC International, 98(1), 230-247 (2015-04-11)
Residues of 37 polar veterinary drugs belonging to six families (quinolones, tetracyclines, macrolides, lincosamides, sulfonamides, and others) in livestock and fishery products were determined using a validated LC-MS/MS method. There were two key points in sample preparation. First, extraction was
Xi-Zhi Niu et al.
Water research, 124, 576-583 (2017-08-16)
Photolysis is a core natural process impacting the fate of some sulfonamide antibiotics in sunlit waters. In this study, sunlight-induced phototransformation of sulfathiazole was investigated. A photolytic quantum yield of 0.079 was obtained in buffered water (pH = 8.0). Different natural organic
Kyunghee Ji et al.
Journal of hazardous materials, 182(1-3), 494-502 (2010-07-16)
Pharmaceuticals in the environment are of growing concern for their potential consequences on human and ecosystem health. Alterations in the endocrine system in humans or wildlife are of special interest because these alterations could eventually lead to changes in reproductive
Carlos E Rodríguez-Rodríguez et al.
Journal of hazardous materials, 213-214, 347-354 (2012-03-07)
In this study, we assessed the degradation of the sulfonamides sulfapyridine (SPY) and sulfathiazole (STZ) by the white-rot fungus Trametes versicolor. Complete degradation was accomplished in fungal cultures at initial pollutant concentrations of approximately 10 mg L(-1), although a longer
Mi-Kyung Yun et al.
Science (New York, N.Y.), 335(6072), 1110-1114 (2012-03-03)
The sulfonamide antibiotics inhibit dihydropteroate synthase (DHPS), a key enzyme in the folate pathway of bacteria and primitive eukaryotes. However, resistance mutations have severely compromised the usefulness of these drugs. We report structural, computational, and mutagenesis studies on the catalytic
Na Liu et al.
Journal of the science of food and agriculture, 93(3), 667-673 (2012-11-28)
Monoclonal antibodies generally obtained through the classic mouse hybridoma system were requisite for the establishment of various immunoassays. In this study, a new rabbit monoclonal antibody (RabMAb) against sulfonamides (SAs) was first produced via hybridoma technique in rabbit. The related
Qing Wang et al.
Analytica chimica acta, 854, 191-201 (2014-12-07)
A hydrophilic stationary phase (SP) was prepared through grafting N-methylene phosphonic acid chitosan on magnesia-zirconia particles (P-CTS-MgO-ZrO2) via Lewis acid-base interaction. The resulting material was characterized by thermogravimetric analysis, Fourier transform infrared spectroscopy, scanning electron microscope and nitrogen adsorption analysis.
Ola Sköld
Drug resistance updates : reviews and commentaries in antimicrobial and anticancer chemotherapy, 3(3), 155-160 (2001-08-11)
Sulfonamides were the first drugs acting selectively on bacteria which could be used systemically. Today they are infrequently used, in part due to widespread resistance. The target of sulfonamides, and the basis for their selectivity, is the enzyme dihydropteroate synthase
Zhiguo Pei et al.
Environmental pollution (Barking, Essex : 1987), 184, 579-585 (2013-11-10)
Effects of copper (Cu) and aluminum (Al) on the adsorption of sulfathiazole (STZ) and tylosin (T) to peat and soil were investigated using a batch equilibration method. Results show that Cu suppressed STZ adsorption onto peat and soil at pH < 5.0
Yong-Gang Zhao et al.
Journal of chromatography. A, 1345, 17-28 (2014-05-02)
A novel, simple and sensitive method was developed for the simultaneous determination of 22 sulfonamides (SAs) in chicken breast muscle by using the dispersive micro-solid-phase extraction (d-μ-SPE) procedure combined with ultra-fast liquid chromatography-tandem quadrupole mass spectrometry (UFLC-MS/MS). The excellent core-shell
Merle K Richter et al.
Environmental science & technology, 43(17), 6632-6638 (2009-09-22)
Sorption of sulfathiazole (STA) and three structural analogs to Leonardite humic acid (LHA) was investigated in single- and binary-solute systems to elucidate the sorption mechanism of sulfonamides to soil organic matter (SOM). Cation binding of STA+ to anionic sites A-
Temesgen Garoma et al.
Chemosphere, 79(8), 814-820 (2010-03-23)
The removal of sulfadiazine, sulfamethizole, sulfamethoxazole, and sulfathiazole from aqueous solution by ozonation was studied. The study was conducted experimentally in a semi-batch reactor under different experimental conditions, i.e., varying influent ozone gas concentration, bicarbonate ion concentration, and pH. The
Letian Chen et al.
The Science of the total environment, 759, 143432-143432 (2020-11-11)
The widespread occurrence of sulfathiazole (STZ) in the environment has raised concerns regarding the potential risks to ecosystem and human health. Thus, there is a need to develop facile and efficient methods for monitoring STZ. In this study, a novel
Martin Krátký et al.
European journal of medicinal chemistry, 50, 433-440 (2012-03-01)
A series of novel sulfonamides containing 5-chloro-2-hydroxybenzaldehyde or 5-chloro-2-hydroxybenzoic acid scaffolds were designed, synthesized and characterized by IR, (1)H NMR and (13)C NMR. All ten target synthesized derivatives and starting sulfonamides were evaluated in vitro for the activity against Gram-positive and
Anna Gulkowska et al.
Environmental science & technology, 46(4), 2102-2111 (2012-01-21)
The mechanism of covalent bond formation of the model sulfonamide sulfathiazole (STZ) and the stronger nucleophile para-ethoxyaniline was studied in reactions with model humic acid constituents (quinones and other carbonyl compounds) in the absence and presence of laccase. As revealed
Stefano Bianco et al.
AAPS PharmSciTech, 13(2), 647-660 (2012-05-03)
Solid-state characterisation of a drug following pharmaceutical processing and upon storage is fundamental to successful dosage form development. The aim of the study was to investigate the effects of using different solvents, feed concentrations and spray drier configuration on the
Quantitative LC/MS-MS determination of sulfonamides and some other antibiotics in honey
Kaufmann A, et al.
Journal of AOAC (Association of Official Analytical Chemists) International, 85(4), 853-860 (2002)
Tony K L Kiang et al.
Pharmacology & therapeutics, 106(1), 97-132 (2005-03-23)
UDP-glucuronosyltransferase (UGT) enzymes catalyze the conjugation of various endogenous substances (e.g., bilirubin) and exogenous compounds (e.g., drugs). The human UGT superfamily is comprised of 2 families (UGT1 and UGT2) and 3 subfamilies (UGT1A, UGT2A, and UGT2B). Many of the individual
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