Results 1 to 10 of about 177,214 (119)

Determination of ingredients in livestock and poultry meat based on liquid chromatography-tandem mass spectrometry

Journal of Future Foods, 2022
A liquid chromatography-tandem mass spectrometry method was established for the determination of ingredients of chicken, duck, pork, beef and mutton.
Liangna He, Junmei Ma, Qiang Li, Liming Wang, Sufang Fan, Yan Zhang   +5 more
doaj   +3 more sources

Ocrelizumab quantitation by liquid chromatography-tandem mass spectrometry

Journal of Mass Spectrometry and Advances in the Clinical Lab, 2022
Introduction: Ocrelizumab is a monoclonal anti-CD20 antibody approved for the treatment of multiple sclerosis (MS). The clinical value of therapeutic drug monitoring (TDM) for this antibody in treatment of MS is unknown, and an adequately specific and ...
Erik I. Hallin, Trond Trætteberg Serkland, Kjell-Morten Myhr, Øivind Torkildsen, Silje Skrede   +4 more
doaj   +1 more source

Liquid Chromatography–Tandem Mass Spectrometry in Newborn Screening Laboratories

International Journal of Neonatal Screening, 2022
Tandem mass spectrometry (MS/MS) is the most universal platform currently available for the analysis of enzymatic activities and biomarkers in dried blood spots (DBS) for applications in newborn screening (NBS).
Michael H. Gelb, Khaja Basheeruddin, Alberto Burlina, Hsiao-Jan Chen, Yin-Hsiu Chien, George Dizikes, Christine Dorley, Roberto Giugliani, Amy Hietala, Xinying Hong, Shu-Min Kao, Hamid Khaledi, Tracy Klug, Francyne Kubaski, Hsuan-Chieh Liao, Monica Martin, Adrienne Manning, Joseph Orsini, Yin Peng, Enzo Ranieri, Andreas Rohrwasser, Nicolas Szabo-Fresnais, Coleman T. Turgeon, Frédérick M. Vaz, Li-yun Wang, Dietrich Matern   +25 more
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Inter-laboratory validation of liquid chromatography–tandem mass spectrometry multi-mycotoxin determination in animal feed – method transfer from the reference laboratory to regional laboratories

Journal of Veterinary Research, 2023
The results are presented of the inter-laboratory validation of a liquid chromatography–tandem mass spectrometry method for the determination of eight mycotoxins (aflatoxin B1, deoxynivalenol, fumonisin B1, fumonisin B2, ochratoxin A, toxin T-2, toxin HT-
Jedziniak Piotr, Panasiuk Łukasz, Pietruszka Katarzyna, Kolano Krzysztof, Zbytniewski Radosław   +4 more
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Analysis of ochratoxin A in pig tissues using high pressure liquid chromatography (HPLC) and liquid chromatography tandem mass spectrometry (LC/MS/MS) as confirmative methods [PDF]

Zbornik Matice Srpske za Prirodne Nauke, 2009
Two different analytical methods for the determination and confirmation of ochratoxin A (OTA) in blood serum, kidney and liver of pigs have been compared. Sample clean-up was based on liquid-liquid phase extraction.
Milićević Dragan R., Jurić Verica B., Stefanović Srđan M., Vesković-Moračanin Slavica M., Janković Saša I.   +4 more
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The use of liquid chromatography-tandem mass spectrometry in newborn screening for congenital adrenal hyperplasia: improvements and future perspectives

Frontiers in Endocrinology, 2023
Newborn screening for congenital adrenal hyperplasia using 17-hydroxyprogesterone by immunoassay remains controversial despite screening been available for almost 40 years. Screening is confounded by poor immunoassay specificity, fetal adrenal physiology,
Mark de Hora, Mark de Hora, Natasha Heather, Natasha Heather, Dianne Webster, Dianne Webster, Benjamin Albert, Paul Hofman   +7 more
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Simultaneous Method for Selected PBDEs and HBCDDs in Foodstuffs Using Gas Chromatography—Tandem Mass Spectrometry and Liquid Chromatography—Tandem Mass Spectrometry

Toxics, 2022
Flame retardants are added to consumer products to retard the ignition of combustible materials. Technical mixtures of polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecane (HBCDD) were massively used for several decades.
Eva Lipičar, Danijela Fras, Nino Javernik, Helena Prosen   +3 more
doaj   +1 more source

Determination of veterinary drug residues, mycotoxins, and pesticide residues in bovine milk by liquid chromatography electrospray ionisation –tandem mass spectrometry

Journal of Veterinary Research, 2022
Multi-class and multi-residue analyses are very complex procedures because of the physico-chemical properties of veterinary drug residues and other contaminants. The purpose of the study was to develop an analytical method for the sensitive determination
Hajrulai-Musliu Zehra, Uzunov Risto, Jovanov Stefan, Kerluku Maksud, Jankuloski Dean, Stojkovski Velimir, Pendovski Lazo, Sasanya James Jacob   +7 more
doaj   +1 more source

Purification and ultra-high-performance liquid chromatography tandem mass spectrometry analysis of phenolics extracted from male walnut flowers

International Journal of Food Properties, 2022
In this study, phenolics extracted from male walnut flowers were purified and analyzed by ultra-high-performance liquid chromatography tandem mass spectrometry. After ultrasonic extraction of male walnut flowers with 60% ethanol, AB-8, D3520, NKA-9, D101,
Chenchen Yu, Shengyun Li, Xuemei Zhang, Aijin Ma, Zhixiang Cao, Guohui Qi, Suping Guo, Yiling tian   +7 more
doaj   +1 more source

Evaluation of Uncertainty in Determination of Cephalosporins in Chicken by High Performance Liquid Chromatography-Tandem Mass Spectrometry Isotope Internal Standard Method

Shipin gongye ke-ji, 2022
In order to ensure the accuracy of test results, the uncertainty determination of cephalosporins in chicken by high performance liquid chromatography-tandem mass spectrometry isotope internal standard method was evaluated.
Xing XU, Yan ZHANG, Ping SHU, Weihua YANG, Haojun ZHAO, Yiyi DONG   +5 more
doaj   +1 more source