32576

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关键词:'32576'

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A rapid non-target screening method for determining prohibited substances in human urine using liquid chromatography/high-resolution tandem mass spectrometry.

Boyoung Han et al.

Drug testing and analysis, 11(3), 382-391 (2018-09-07)

Target analysis using liquid chromatography-tandem mass spectrometry is applied for rapidly detecting various prohibited doping substances. Frequent modification is required as additional substances are prohibited. We developed and validated a non-target screening method requiring no further modification because it analyzes

Multiresidue analysis of beta-agonists in bovine and porcine urine, feed and hair using liquid chromatography electrospray ionisation tandem mass spectrometry.

Nielen MWF, et al.

Analytical and Bioanalytical Chemistry, 391(1), 199-210 (2008)

Sulfonated polystyrene magnetic nanobeads coupled with immunochromatographic strip for clenbuterol determination in pork muscle.

Kesheng Wu et al.

Talanta, 129, 431-437 (2014-08-17)

A magnetic solid-phase extraction method (MSPE) was developed to pre-concentrate and cleanup clenbuterol (CLE) from pork muscle. Novel sulfonated polystyrene magnetic nanobeads (spMNBs) were synthesized via a one-pot emulsion copolymerization method by using divinylbenzene, styrene, and sodium styrene sulfonate in

Pseudo template molecularly imprinted polymer for determination of 14 kind of β-agonists in animal urine by ultra-high-performance liquid chromatography-tandem mass spectrometry.

Decheng Suo et al.

Journal of chromatography. A, 1526, 23-30 (2017-10-21)

A pseudo template molecularly imprinted polymer (MIP) for selective extraction of β-agonists was prepared using 4-hydroxyphenethyl alcohol as pseudo template molecule, methyl acrylic acid as functional monomer, and ethylene glycol dimethacrylate as cross-linker. Selectivity and adsorption capacity of prepared MIP

Simultaneous determination of anabolic steroids and β-agonists in milk by QuEChERS and ultra high performance liquid chromatography tandem mass spectrometry.

Hongcheng Liu et al.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1043, 176-186 (2016-08-21)

A simple, accurate and highly sensitive multiresidues method was developed for the determination of 9 anabolic steroids and 16 β-agonists in milk. Target compounds were extracted and separated by a modified QuEChERS (Quick, Easy, Cheap, Effective, Rugged, Safe) method with

Multiclass screening in urine by comprehensive two-dimensional liquid chromatography time of flight mass spectrometry for residues of sulphonamides, beta-agonists and steroids.

M H Blokland et al.

Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 35(9), 1703-1715 (2018-08-15)

Nowadays routine residue monitoring involves the analysis of many compounds from different classes, mainly in urine. In the past two decades, developments heavily focused on the use of mass spectrometers (MS) and faster and more sensitive MS detectors have reached

Analysis of 10 β-agonists in pork meat using automated dispersive pipette extraction and LC-MS/MS.

Kaylee R Mastrianni et al.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1084, 64-68 (2018-03-24)

An analytical procedure for the analysis of 10 β-adrenergic agonists (cimaterol, terbutaline, salbutamol, isoxsuprine, ractopamine, cimbuterol, clenbuterol, brombuterol, mabuterol and mapenterol) in pork meat was developed and validated using LC-MS/MS. An automated dispersive pipette extraction (DPX) was employed on a

Evaluation of β-agonists in blood meal: Validation of determination method and potential pathway for reentry into the environment.

Suo Decheng et al.

Journal of chromatography. A, 1612, 460624-460624 (2019-11-02)

β-agonists, which have been illegally used in animal production in some countries, can induce bioaccumulation when blood is converted by rendering into blood meal. Unfortunately, available data on this topic are scarce, which result in lack of risk assessment. Therefore

Multi-residual analysis of 16 ?-agonists in pig liver, kidney and muscle by ultra performance liquid chromatography tandem mass spectrometry.

Shao B, et al.

Food Chemistry, 114(3), 1115-1121 (2009)

Mrakia hoshinonis sp. nov., a novel psychrophilic yeast isolated from a retreating glacier on Ellesmere Island in the Canadian High Arctic.

Masaharu Tsuji et al.

International journal of systematic and evolutionary microbiology, 69(4), 944-948 (2019-01-04)

Four strains isolated from sediment sampled at the front of a retreating glacier on northern Ellesmere Island in the Canadian high Arctic, namely JCM 32575T, JCM 32576, JCM 32577 and JCM 32578, belong to a novel psychrophilic basidiomycetous yeast species

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