Showing 221 - 240 results of 1,810 for search '"Mass spectrometry"', query time: 0.09s Refine Results
  1. 221

    Study of Ultrasound-Assisted Low-Pressure Closed Acid Digestion Method for Trace Element Determination in Rock Samples by Inductively Coupled Plasma Mass Spectrometry by Xijuan Tan, Yunxiu Ren, Ting Liang, Denghong Wang

    Published 2025-01-01
    “…In this paper, a method of ultrasound-assisted low-pressure closed acid digestion followed by inductively coupled plasma mass spectrometry (ICP-MS) analysis was proposed for trace element quantification in rock samples. …”
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    Article
  2. 222

    Rapid screening of 420 pesticide residues in fruits and vegetables using ultra high performance liquid chromatography combined with quadrupole-time of flight mass spectrometry by Junmei Ma, Sufang Fan, Liqiong Yang, Liangna He, Hongwen Zhai, Xiaowei Ren, Qiang Li, Yan Zhang

    Published 2023-07-01
    “…A new method for screening and identification 420 pesticide residues in fruits and vegetables by ultra-performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry (UPLC-Q-TOF/MS) were developed. The samples were extracted with acetonitrile/acetic acid (99:1, V/V), and clean-up by SinChERS-Nano (single-step, cheap, effective, rugged, safe, nano) column, determined by UPLC-Q-TOF/MS. …”
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  12. 232

    Methyl Esterification Combined with Gas Chromatography-Mass Spectrometry (GC-MS) for Determining the Contents of Lubricant to Evaluate the Compatibility of Chlorinated Butyl Rubber Stoppers with Liposome Injections by Xun Gao, Kexin Chen, Miaomiao Chi, Kunming Qin

    Published 2020-01-01
    “…A simple, sensitive, and exact methyl esterification in combination with gas chromatography-mass spectrometry (GC-MS) method was developed to determine the contents of palmitic acid and stearic acid in the chlorinated butyl rubber stoppers and liposome injections in order to evaluate the compatibility of pharmaceutical packaging materials. …”
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  13. 233

    Determination of 13 Aminoglycoside Residues in Milk by Weak Cation Exchange Solid Phase Extraction Coupled with Ultra-high Performance Liquid Chromatography-Tandem Mass Spectrometry by HE Jinlin, SHEN Luying, SUN Ting, FU Jianwei, YAN Lijuan, XU Dunming

    Published 2025-02-01
    Subjects: “…aminoglycosides; ultra-high performance liquid chromatography-tandem mass spectrometry; milk; weak cation exchange solid phase extraction; residues…”
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  14. 234

    Deciphering the safeguarding role of cysteine residues in p53 against H2O2-induced oxidation using high-resolution native mass spectrometry by Manuel David Peris-Díaz, Artur Krężel, Perdita Barran

    Published 2025-01-01
    “…Here, we employed native mass spectrometry (MS) and ion mobility (IM)-MS coupled to chemical labelling and H2O2-induced oxidation to examine the mechanism of redox regulation of the p53-p21 complex. …”
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  15. 235

    Development of a Novel, Sensitive, Selective, and Fast Methodology to Determine Malondialdehyde in Leaves of Melon Plants by Ultra-High-Performance Liquid Chromatography-Tandem Mass Spectrometry by Melisa E. Yonny, Ariel Rodríguez Torressi, Mónica A. Nazareno, Soledad Cerutti

    Published 2017-01-01
    “…Thus a reliable, sensitive, simple, selective, and rapid separative strategy based on ultra-high-performance liquid chromatography coupled to positive electrospray-tandem mass spectrometry (UPLC-(+)ESI-MS/MS) was developed for the first time to measure MDA, without derivatization, in leaves of melon plants exposed to stress conditions. …”
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  16. 236

    Characterization of aroma compounds of Pu-erh ripen tea using solvent assisted flavor evaporation coupled with gas chromatography-mass spectrometry and gas chromatography-olfactometry by Bei Wang, Qing Meng, Lin Xiao, Ruili Li, Chunhai Peng, Xueli Liao, Jingna Yan, Honglin Liu, Guanhua Xie, Chi-Tang Ho, Huarong Tong

    Published 2022-05-01
    “…In the present study, volatile compounds from Pu-erh ripen tea were extracted using a solvent assisted flavor evaporation (SAFE) and analyzed with a gas chromatography-mass spectrometry (GC-MS) and a gas chromatography olfactometry (GC-O). …”
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  17. 237

    Simultaneous Determination of Nine Neonicotinoid Insecticides and Five Metabolites in Meat by QuEChERS Coupled with Ultra-high Performance Liquid Chromatography-Tandem Mass Spectrometry by LIN Binbin, YANG Zhijin, HUANG Xuliang, LIN Xiaolian

    Published 2024-12-01
    Subjects: “…neonicotinoid insecticides; metabolites; meat; quick, easy, cheap, effective, rugged, safe; ultra-high performance liquid chromatography-tandem mass spectrometry…”
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    Diagnosis of Gestational Diabetes Mellitus with Point-of-Care Methods for Glucose versus Hospital Laboratory Method Using Isotope Dilution Gas Chromatography-Mass Spectrometry as Reference by Karl Kristensen, Anne-Marie Wangel, Anastasia Katsarou, Nael Shaat, David Simmons, Helena Fadl, Kerstin Berntorp

    Published 2020-01-01
    “…The aim of this study was to compare the diagnostic performance of the HemoCue Glucose 201+ (HC201+) and RT (HC201RT) systems with that of the hospital central laboratory hexokinase method (CL) based on lyophilized citrate tubes, using the isotope dilution gas chromatography-mass spectrometry (ID GC-MS) as reference. Methods. A 75 g oral glucose tolerance test was performed on 135 women screened positive for GDM. …”
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