Results 1 to 10 of about 498,441 (308)

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
doaj   +1 more source

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
doaj   +1 more source

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
doaj   +1 more source

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
doaj   +1 more source

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
doaj   +1 more source

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
doaj   +1 more source

Real-time PCR quantitation of hepatitis B virus DNA using automated sample preparation and murine cytomegalovirus internal control [PDF]

, 2005
Quantitation of circulating hepatitis B virus (HBV) DNA is important for monitoring disease progression and for assessing the response to antiviral therapy. Several commercial and 'in house' assays for HBV DNA quantitation have been described but many of
Ayliffe, U, Ferns, RB, Garson, JA, Grant, PR, Tedder, RS   +4 more
core   +1 more source

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
doaj   +1 more source

Stir Bar Sorptive Extraction of Volatile Compounds in Vinegar: Validation Study and Comparison With Solid Phase Microextraction [PDF]

, 2007
Stir bar sorptive extraction was evaluated for analysing volatiles in vinegar. The procedure developed shows detection and quantitation limits, and linear ranges adequate for analysing this type of compounds. The accuracy obtained was close to 100%, with
Alves, Baltussen, Bicchi, Blanch, Buettner, Carmelo García Barroso, Demyttenaere, Durán, Edwards, Enrique Durán Guerrero, García, García-Falcón, Hayasaka, Isogai, León, Luan, Luan, Marín, Natera, Noble, Palacios, Quirós, Ramón Natera Marín, Rapp, Remedios Castro Mejías, Zalacain   +25 more
core   +2 more sources