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Simultaneous Determination of 39 Plant Toxins in Honey by Ultra-high Performance Liquid Chromatography-Tandem Mass Spectrometry with Solid Phase Extraction
Published 2025-01-01Subjects: “…solid-phase extraction; ultra-high performance liquid chromatography-tandem mass spectrometry; honey; plant toxins…”
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182
Development and application of an efficient, accurate, and environmentally friendly liquid chromatography–tandem mass spectrometry method for the determination of five Alternaria toxins in wheat
Published 2025-01-01“…This study developed a rapid, efficient, and environmentally friendly method for the simultaneous determination of five types of Alternaria toxins in wheat using high-precision and stable isotope liquid chromatography tandem mass spectrometry. The comparison between dilution method and solid-phase extraction method shows that the former achieves satisfactory results with a simple and convenient sample purification method. …”
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183
Application of 2-Trichloromethylbenzimidazole in Analytical Chemistry: A Highly Selective Chromogenic Reagent for Thin-Layer Chromatography and Some Other Analytical Uses
Published 2012-01-01“…2-Trichloromethylbenzimidazole (TCMB) was used as a chromogenic reagent in organic or inorganic analysis, mainly in thin-layer chromatography (TLC). In reactions of TCMB with some heteroaromatic nitrogen containing compounds, such as azines, azoles and benzazoles, a formation of high colored products occurred. …”
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184
Dispersive Liquid-Liquid Microextraction Combined with Ultrahigh Performance Liquid Chromatography/Tandem Mass Spectrometry for Determination of Organophosphate Esters in Aqueous Samples
Published 2014-01-01“…It utilised dispersive liquid-liquid microextraction in combination with ultrahigh performance liquid chromatography/tandem mass spectrometry. The type and volume of extraction solvents, dispersion agent, and amount of NaCl were optimized. …”
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185
Cloud-Point Extraction Combined with Liquid Chromatography for the Determination of Ergosterol, a Natural Product with Diuretic Activity, in Rat Plasma, Urine, and Faeces
Published 2013-01-01“…A new method based on cloud-point extraction has been developed, optimized and validated for the determination of ergosterol in rat plasma, urine and faeces by liquid chromatography. The non-ionic surfactant Triton X-114 was chosen as the extract solvent. …”
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186
Chemical Fingerprint and Metabolic Profile Analysis of Tianshu Tablets by Ultra-High Performance Liquid Chromatography/Quadrupole-Time of Flight Mass Spectrometry
Published 2019-01-01“…In the present study, the chemical fingerprint of Tianshu tablets (TST) and the metabolic characteristics of compounds in rats after intragastric administration were studied by ultra-high performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry (UPLC/Q-TOF MS). …”
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187
Identifying skin surface chemicals as potential tuberculosis diagnostic biomarkers using ultra performance liquid chromatography-high resolution mass spectrometry
Published 2025-05-01“…Journal of Chromatography Open…”
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188
Assessment of changes in vitamin content and morphological characteristics in strawberries modified with a pulsed electric field using chromatography and optical coherence tomography
Published 2025-03-01“…Experiments have shown that PEF treatment with an intensity of 1 kV/cm and 10 pulses for 10 s resulted in a significant improvement in vitamin content and extraction efficiency of vitamin C by 22 %, folic acid by 24 %, thiamine by more than 50 % and riboflavin by more than 60 %.Optical coherence tomography imaging revealed texture changes in fruit pulp under the influence of PEF, related to the release of additional vitamins detected by chromatography methods.Additionally, PEF treatment offers significant benefits in fruit processing, including improved dehydration characteristics, reduced time and energy required for freeze-drying, increased extraction efficiency, and potential improvements in bioactive compound content and antioxidant properties.The research results may have practical applications in the analytical determination of vitamins C and B by improving the extraction efficiency. …”
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189
Multiresidue Pesticides Analysis of Vegetables in Vietnam by Ultrahigh-Performance Liquid Chromatography in Combination with High-Resolution Mass Spectrometry (UPLC-Orbitrap MS)
Published 2019-01-01“…An ultrahigh-performance liquid chromatography in combination with high-resolution mass spectrometry Thermo Q-Extractive Focus Orbitrap MS has been introduced for analysis of multiclass pesticides in vegetable samples collected in Hanoi, Vietnam. …”
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190
Gas Chromatography Coupled to High Resolution Time-of-Flight Mass Spectrometry as a High-Throughput Tool for Characterizing Geochemical Biomarkers in Sediments
Published 2018-01-01“…The performance of gas chromatography coupled to high-resolution time-of-flight mass spectrometry (GC-HRTofMS) for characterizing geochemical biomarkers from sediment samples was evaluated. …”
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Determination of 8 Endogenous Alkaloid Components in Boletus Using Ultrahigh-Performance Liquid Chromatography Combined with Quadrupole-Time of Flight Mass Spectrometry
Published 2020-01-01“…A ultrahigh performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry (UPLC-Q-TOF/MS) method was developed for simultaneous determination of 8 endogenous alkaloid compounds in Boletus. …”
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194
Separation and Determination of Paraquat and Diquat in Human Plasma and Urine by Magnetic Dispersive Solid Phase Extraction Coupled with High-Performance Liquid Chromatography
Published 2020-01-01“…A magnetic dispersive solid phase extraction method coupled with high-performance liquid chromatography was proposed for the simultaneous separation and determination of paraquat (PQ) and diquat (DQ) in human plasma and urine samples. …”
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195
Comparative Glycopeptide Analysis for Protein Glycosylation by Liquid Chromatography and Tandem Mass Spectrometry: Variation in Glycosylation Patterns of Site-Directed Mutagenized Glycoprotein
Published 2018-01-01“…In this study, glycopeptide mapping of a reference and biosimilar recombinant antibodies (rAbs) was performed using liquid chromatography-electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS) and an automated Glycoproteome Analyzer (GPA) algorithm. …”
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196
A Standardized Approach to Quantitative Analysis of Nicotine in e-Liquids Based on Peak Purity Criteria Using High-Performance Liquid Chromatography
Published 2018-01-01“…Here, we are reporting a fully validated high-performance liquid chromatography (HPLC) method based on nicotine peak purity for accurately quantifying nicotine in various e-liquids. …”
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Bioanalytical Method Development and Validation of Memantine in Human Plasma by High Performance Liquid Chromatography with Tandem Mass Spectrometry: Application to Bioequivalence Study
Published 2012-01-01“…A simple, sensitive, and rapid HPLC-MS/MS method was developed and validated for quantitative estimation of memantine in human plasma. Chromatography was performed on Zorbax SB-C18 (4.6×75 mm, 3.5 μm) column. …”
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199
Liquid chromatography-high resolution mass spectrometry based analysis of persistent mobile organic compounds in aqueous samples: Method development and optimization
Published 2025-03-01“…This study addresses these challenges by developing and optimizing a robust method for PMOC detection, integrating solid-phase extraction with liquid chromatography-high resolution mass spectrometry (SPE-LC-HRMS). …”
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200
Development and Validation of New High Performance Liquid Chromatography Analytical Technique For Separation of Diclofenac Sodium and Lidocaine Hydrochloride From Ampoule Injection
Published 2020-06-01“…The High-Performance Liquid Chromatography (HPLC) system was performed at 25 ° C; with appropriate chromatographic isolation accomplished through the use of Waters Symmetry SB-C7 column with a mobile phase containing 0.1 M sodium acetate and methanol (40:60) (v/v). …”
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