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Head-to-Head Comparison of High-Performance Liquid Chromatography versus Nuclear Magnetic Resonance for the Quantitative Analysis of Carbohydrates in Yiqi Fumai Lyophilized Injection

Molecules, 2023
Carbohydrate analysis can be used as a standard analysis for quality control of industries of plants, foods and pharmaceuticals. Quantitative 1H NMR spectroscopy (qNMR) is an excellent alternative to chromatography-based mixture analysis.
Yuesheng Xie, Dayong Zheng, Ting Yang, Zhenzhen Zhang, Wenwu Xu, Houru Liu, Wei Li   +6 more
doaj   +1 more source

Shared reference materials harmonize lipidomics across MS-based detection platforms and laboratories

Journal of Lipid Research, 2020
Quantitative MS of human plasma lipids is a promising technology for translation into clinical applications. Current MS-based lipidomic methods rely on either direct infusion (DI) or chromatographic lipid separation methods (including reversed phase and ...
Alexander Triebl, Bo Burla, Jayashree Selvalatchmanan, Jeongah Oh, Sock Hwee Tan, Mark Y. Chan, Natalie A. Mellet, Peter J. Meikle, Federico Torta, Markus R. Wenk   +9 more
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Development and validation of a quantitative HPLC/MS/MS method for the determination of piperacillin in blood plasma

Research Results in Pharmacology, 2023
Introduction: Reduced mortality in patients with sepsis taking piperacillin is possible when they receive a long-term infusion, which improves the effect of antimicrobials.
Vladimir I. Petrov, Ivan S. Anikeev, Tatyana E. Zayachnikova, Andrey V. Strygin, Anna M. Dotsenko   +4 more
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High-Throughput Quantitation of Cannabinoids by Liquid Chromatography Triple-Quadrupole Mass Spectrometry

Molecules, 2022
The high-throughput quantitation of cannabinoids is important for the cannabis industry. As medicinal products increase, and research into compounds that have pharmacological benefits increase, and the need to quantitate more than just the main ...
Jonathan Tran, Aaron C. Elkins, German C. Spangenberg, Simone J. Rochfort   +3 more
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Quantitative SARS-CoV-2 Spike Antibody Response in COVID-19 Patients Using Three Fully Automated Immunoassays and a Surrogate Virus Neutralization Test

Diagnostics, 2021
Quantitative SARS-CoV-2 antibody assays against the spike (S) protein are useful for monitoring immune response after infection or vaccination. We compared the results of three chemiluminescent immunoassays (CLIAs) (Abbott, Roche, Siemens) and a ...
Yoonjoo Kim, Ji Hyun Lee, Geon Young Ko, Ji Hyeong Ryu, Joo Hee Jang, Hyunjoo Bae, Seung-Hyo Yoo, Ae-Ran Choi, Jin Jung, Jongmin Lee, Eun-Jee Oh   +10 more
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Evaluation of the Possibility of Using the Method of UV Spectrophotometry for the Development of Quantitative Determination of Naftifine Hydrochloride in its Solution with a Combination of PEG for the Treatment of Fungal Infections

Разработка и регистрация лекарственных средств, 2020
Introduction. An innovative antifungal agent based on hydrochloride with combination of PEG-400 and PEG-1000 has been developed based at the chairs of Sechenov University.
S. I. Kosenkova, I. I. Krasnyuk, I. I. Krasnyuk (jr.), A. V. Belyatskaya, O. I. Stepanova, S. R. Naryshkin   +5 more
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Validation of a method for the quantitative determination of narcotic and psychotropic substances in urine by UHPLC–MS/MS

Тонкие химические технологии, 2022
Objectives. To validate a new method for the quantitative determination of 31 potent and narcotic substances and their metabolites in urine that meets the requirements of ISO/IEC 17025 using a fast and highly sensitive method of chromato-mass ...
N. B. Savelieva, G. V. Ishutenko, A. V. Polosin, F. V. Radus, D. S. Polyansky, S. A. Kurbatkin, Yu. A. Efimova, P. V. Postnikov   +7 more
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Precursor Quantitation Methods for Next Generation Food Production

Frontiers in Bioengineering and Biotechnology, 2022
Food is essential for human survival. Nowadays, traditional agriculture faces challenges in balancing the need of sustainable environmental development and the rising food demand caused by an increasing population.
Xinran Wang, Xiaozhou Luo, Xiaozhou Luo
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FIRST USE OF STEREOLOGY TO QUANTIFY THE SURVIVAL OF FAT AUTOGRAFTS

Image Analysis and Stereology, 2011
It is not usual to perform quantitative analyses on surgical materials. Rather, they are evaluated clinically, through qualitative methods, and if quantitation is done, it is on a 2-dimensional basis.
Eduardo Serna Cuéllar, Luis Santamaría Solís   +1 more
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Identification and Determination of Seven Phenolic Acids in Brazilian Green Propolis by UPLC-ESI-QTOF-MS and HPLC

Molecules, 2019
Brazilian green propolis is a complex mixture of natural compounds that is difficult to analyze and standardize; as a result, controlling its quality is challenging.
Shengwei Sun, Meijuan Liu, Jian He, Kunping Li, Xuguang Zhang, Guangling Yin   +5 more
doaj   +1 more source