Extraction-Free, Direct Determination of Caffeine in Microliter Volumes of Beverages by Thermal Desorption-Gas Chromatography Mass Spectrometry by Xianglu Peng, Melanie Brown, Paul Bowdler, Kevin C. Honeychurch

“…Using a pyrolysis-gas chromatography mass spectrometry system, the conditions required for the direct thermal desorption-gas chromatography mass spectrometry (TD-GC/MS) determination of caffeine were optimised. …”
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A headspace-gas chromatography method for isopropanol determination in warfarin sodium products as a measure of drug crystallinity by Rahman Ziyaur, Akhtar Sohail, Siddiqui Akhtar, Ciavarella Anthony B., Nguyenpho Agnes, Faustino Patrick J., Khan Mansoor A.

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Methods of forensic examination of Nalbuphine by I. О. Besedina

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High-Speed Counter-Current Chromatography in Separation and Identification of Saponins from Beta vulgaris L. Cultivar Red Sphere by Aneta Ewa Spórna-Kucab, Sławomir Wybraniec

Subjects: “…high-speed counter-current chromatography…”
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Identification of the Related Substances in Ampicillin Capsule by Rapid Resolution Liquid Chromatography Coupled with Electrospray Ionization Tandem Mass Spectrometry by Lei Zhang, Xian Long Cheng, Yang Liu, Miao Liang, Honghuan Dong, Beiran Lv, Wenning Yang, Zhiqiang Luo, Mingmin Tang

“…Rapid Resolution Liquid Chromatography coupled with Electrospray Ionization Tandem Mass Spectrometry (RRLC-ESI-MSn) was used to separate and identify related substances in ampicillin capsule. …”
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Cobalt (II)-Mediated Molecularly Imprinted Polymer as a Monolithic Stationary Phase for Separation of Racemic Citronellal by Liquid Chromatography by Suci Amalia, Nilna Assasiatur Rafika, Shova Audinia Hardiyanti, Adi Dwi Ashari, Bhisma Wildan Khabibi, Elvina Dhiaul Iftitah, Warsito Warsito, Aliya Nur Hasanah, Akhmad Sabarudin

“…A metal-mediated molecularly imprinted polymer (MMIP) monolithic column was prepared as the stationary phase for high-performance liquid chromatography (HPLC) and applied to the enantiomeric separation of rac-citronellal. …”
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Comparison of Electrospray Ionization and Atmospheric Chemical Ionization Coupled with the Liquid Chromatography-Tandem Mass Spectrometry for the Analysis of Cholesteryl Esters by Hae-Rim Lee, Sunil Kochhar, Soon-Mi Shim

“…The approach of two different ionization techniques including electrospray ionization (ESI) and atmospheric pressure chemical ionization (APCI) coupled with liquid chromatography-tandem mass spectrometry (LC-MS/MS) was tested for the analysis of cholesteryl esters (CEs). …”
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Quantification of Sunscreen Benzophenone-4 in Hair Shampoos by Hydrophilic Interactions Thin-Layer Chromatography/Densitometry or Derivative UV Spectrophotometry by Anna W. Sobańska, Katarzyna Kałębasiak, Jarosław Pyzowski, Elżbieta Brzezińska

“…Benzophenone-4 (BZ4) was separated from surfactants, dyes, preservatives, and other components of hair shampoos by thin-layer chromatography on silica gel 60 stationary phase, with ethyl acetate-ethanol-water-pH 6 phosphate buffer (15 : 7 : 5 : 1 v/v/v/v) as mobile phase. …”
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A Urine Metabonomics Study of Rat Bladder Cancer by Combining Gas Chromatography-Mass Spectrometry with Random Forest Algorithm by Mengchan Fang, Fan Liu, Lingling Huang, Liqing Wu, Lan Guo, Yiqun Wan

“…A urine metabolomics study based on gas chromatography-mass spectrometry (GC-MS) and multivariate statistical analysis was applied to distinguish rat bladder cancer. …”
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Analysis of Changes in Flavor Substances of Tomato Fruits in Different Ripening Stages by Headspace-Gas Chromatography-Ion Mobility Spectrometry by FU Xiaohui, SHI Lu, SUN Qingzhen, DONG Xiaoxing, PIAO Fengzhi, DU Nanshan

“…High performance liquid chromatography (HPLC) and headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) were employed to analyze the changes in volatile metabolites in wild-type Ailsa Craig tomato fruits in four ripening stages (mature green, breaker, light ripe and red ripe) at the metabolic and transcriptional levels. …”
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Determination of Isoflavones in Soybean Flour by Matrix Solid-Phase Dispersion Extraction and Liquid Chromatography with UV-Diode Array Detection by Antonella Aresta, Pietro Cotugno, Federica Massari, Carlo Zambonin

“…A new analytical method, based on liquid chromatography (LC) with UV-diode array detection, for the simultaneous determination of daidzein, genistein, and glycitein and their 7-O-β-D-glucopyranoside (daidzin, genistin, and glycitin, resp.) has been successfully developed. …”
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Evaluation of the impact of antibody fragments on aggregation of intact molecules via size exclusion chromatography coupled with native mass spectrometry by Jing Xu, John E. Coughlin, Malgorzata Szyjka, Serene Jabary, Sonal Saluja, Zoran Sosic, Yunqiu Chen, Chong-Feng Xu

“…A method based on size exclusion chromatography coupled with native mass spectrometry (SEC-UV-native MS) was developed and used to characterize the stability samples and identified the formation of heterogeneous dimers, including intact dimer, mAb-Fab/c dimer, Fab/c-Fab/c dimer, and mAb-Fab dimer. …”
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Determination of phenolic compounds in water-ethanol extracts of Populus tremula L. leaves using high-performance liquid chromatography by Olga V. Kotsupiy, Yulia V. Zagurskaya, Vladimir I. Ufimtsev

Development of an analytical method involving thiol methylation for the analysis of pentachlorothiophenol in food using gas chromatography-tandem mass spectrometry by Junhyeong Park, Adebayo J. Akinboye, Joon-Goo Lee

“…Herein, a method involving gas chromatography-tandem mass spectrometry and optimized methylation conditions is proposed for quantifying PCTP concentrations in food. …”
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Rapid Analysis of Seven Polyamines in Nephotettix cincticeps by Using Ultra-Performance Liquid Chromatography-Triple Quadrupole Mass Spectrometry by Mingwen Zhang, Yunqiang Zhao, Zongwen Wang, Jintian Cheng

“…A fast, simple, and sensitive method for the simultaneous determination of seven polyamines in Nephotettix cincticeps was developed based on ultra-performance liquid chromatography-triple quadrupole mass spectrometry (UPLC-3Q-MS) together with liquid phase extraction. …”
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Simultaneous Determination of Lamotrigine, Oxcarbazepine, Lacosamide, and Topiramate in Rat Plasma by Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry by Erjie Qiu, Lu Yu, Qishun Liang, Congcong Wen

“…This study established an ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method to study the pharmacokinetics of four antiepileptic drugs, lamotrigine, oxcarbazepine, lacosamide, and topiramate, in rats after oral administration. …”
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Application of Liquid Chromatography-Tandem Mass Spectrometry for the Detection of Paralytic Shellfish Poison in Bivalve Shellfish and Its Influencing Factors by DENG Yuxiang, WU Haiyan, XU Xizhen, ZHAO Huihui, TAN Zhijun, ZHENG Guanchao

Subjects: “…paralytic shellfish poison; bivalve shellfish; liquid chromatography-tandem mass spectrometry; influencing factors…”
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Determination of Volatile Compounds in Foxtail Millet Sake Using Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry by Jingke Liu, Wei Zhao, Shaohui Li, Aixia Zhang, Yuzong Zhang, Songyan Liu

“…The volatile compounds in foxtail millet sake were extracted by headspace solid-phase microextraction (HS-SPME) and analyzed using gas chromatography-mass spectroscopy (GC-MS). Different methods of sample preparation were used to optimize this method (SPME fiber types, sample amount, extraction time, extraction temperature, content of NaCl, and rotor speed). …”
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Simultaneous Determination of Amphenicols and Metabolites in Animal-Derived Foods Using Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry by Xinyi Wu, Xixi Shen, Xiangyue Cao, Rongrong Nie, Haonan Zhang, Changbo Tang, Wei Wang

“…We hypothesized that one can combine solid-phase extraction (SPE) with ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) to simultaneously determine amphenicols and metabolites in pork, beef, lamb, chicken, and their products and meet government regulations for maximum residue limits. …”
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Analysis of the High-Performance Liquid Chromatography Fingerprints and Quantitative Analysis of Multicomponents by Single Marker of Products of Fermented Cordyceps sinensis by Li-hua Chen, Yao Wu, Yong-mei Guan, Chen Jin, Wei-feng Zhu, Ming Yang

“…In this paper, a new strategy for differentiating and comprehensively evaluating the quality of products of fermented Cordyceps sinensis has been established, based on high-performance liquid chromatography (HPLC) fingerprint analysis combined with similar analysis (SA), hierarchical cluster analysis (HCA), and the quantitative analysis of multicomponents by single marker (QAMS). …”
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