Determination of Urinary Creatinine in Washington State Residents via Liquid Chromatography/Tandem Mass Spectrometry by Caroline E. West, Blaine N. Rhodes

“…A viable, quick, and reliable method for determining urinary creatinine by liquid chromatography/tandem mass spectrometry (LC/MS/MS) was developed and used to evaluate spot urine samples collected for the Washington Environmental Biomonitoring Survey (WEBS): part of the Washington State Department of Health, Public Health Laboratories (PHL). 50 µL of urine was mixed with a 1 : 1 acetonitrile/water solution containing deuterated creatinine as the internal standard and then analyzed by LC/MS/MS. …”
Get full text

Examples of high performance liquid chromatography (HPLC) application in marine ecology studies in the northern Adriatic by Vesna Flander-Putrle

Get full text

Development and validation of fluoroquinolone detection method in chicken eggs using high-performance liquid chromatography by A. A. Lugovskoy, D. S. Bolshakov, T. B. Nikeshina

Subjects: “…high-performance liquid chromatography…”
Get full text

Development of a Method for Rapid Determination of Morpholine in Juices and Drugs by Gas Chromatography-Mass Spectrometry by Mengsi Cao, Pingping Zhang, Yanru Feng, Huayin Zhang, Huaijiao Zhu, Kaoqi Lian, Weijun Kang

“…A reliable derivatization method has been developed to detect and quantify morpholine in apple juices and ibuprofen with gas chromatography-mass spectrometry. Morpholine can react with sodium nitrite under acidic condition to produce stable and volatile N-nitrosomorpholine derivative. …”
Get full text

Rapid Simultaneous Determination of 43 Pesticide Residues in Schizonepeta tenuifolia by Gas Chromatography Mass Spectrometry by Guo-wei Zhou, Yong-mei Li, Chun-ni Liu, Hong-min Ren, Hai-ying Li

“…Selected pesticides were identified using DB-35MS capillary column and detected by gas chromatography mass spectrometry. Samples were quantified by external standard method. …”
Get full text

Determination of Carrageenan in Livestock and Poultry Meat by Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry by Yanqin Sun, Xudong Zhu, Xixi Shen, Wei Wang

“…Ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) has become the main method for the detection and analysis of food additives because of its good separation, high selectivity, and high sensitivity. …”
Get full text

Biomedical Evaluation of Cortisol, Cortisone, and Corticosterone along with Testosterone and Epitestosterone Applying Micellar Electrokinetic Chromatography by Tomasz Bączek, Ilona Olędzka, Lucyna Konieczna, Piotr Kowalski, Alina Plenis

“…The validated micellar electrokinetic chromatography (MEKC) was proposed for the determination of five steroid hormones in human urine samples. …”
Get full text

Determination of Halogens by Ion Chromatography in Edible Mushrooms after Microwave-Induced Combustion for Sample Preparation by Gilberto Silva Coelho Junior, Filipe Soares Rondan, Carla Andrade Hartwig, Rafael Francisco Santos, Paola Azevedo Mello, Marcia Foster Mesko

“…In this study, the microwave-induced combustion (MIC) method was evaluated for the sample preparation of the most consumed mushroom species in Brazil (Champignon, Shiitake, and Shimeji) and further halogen determination by ion chromatography (IC). For this, sample mass, combustion aid mass, and absorbing solution (H2O and 50 mmol·L−1, 100 mmol·L−1, or 150 mmol·L−1 NH4OH) were evaluated. …”
Get full text

Hydrophilic Interaction Liquid Chromatography-Tandem Mass Spectrometry Analysis of Fosetyl-Aluminum in Airborne Particulate Matter by Francesca Buiarelli, Patrizia Di Filippo, Carmela Riccardi, Donatella Pomata, Riccardo Marsiglia, Carla Console, Daniele Puri

“…Herein, we present a selective liquid chromatography-tandem mass spectrometry (LC-MS/MS) method to analyze residues of fosetyl-A1 in air particulate matter. …”
Get full text

Investigation of the Specific Retention Volume of the Probe Volume and the Effects on the Polymer-Probe System by Inverse Gas Chromatography by Mustafa Hamdi Karagöz

Get full text

Determination of Aflatoxin B1 in Feedstuffs without Clean-Up Step by High-Performance Liquid Chromatography by Sasiprapa Choochuay, Jutamas Phakam, Prakorn Jala, Thanapoom Maneeboon, Natthasit Tansakul

“…High-performance liquid chromatography with precolumn derivatization and fluorescence detection was performed. …”
Get full text

Conjugation of Short-Chain Fatty Acids to Bicyclic-Amines for Analysis by Liquid Chromatography Tandem Mass Spectroscopy by Daniel N. Darlington

Subjects: Get full text

Simultaneous Quantitative Determination of Six Caffeoylquinic Acids in Matricaria chamomilla L. with High-Performance Liquid Chromatography by Yifan Zhao, Peng Sun, Yue Ma, Kun Wang, Xiaoqiang Chang, Yue Bai, Dong Zhang, Lan Yang

“…(M. chamomilla) using high-performance liquid chromatography (HPLC) with diode-array detection (DAD) was established. …”
Get full text

Liquid Chromatography-Tandem Mass Spectrometry Analysis of Perfluorooctane Sulfonate and Perfluorooctanoic Acid in Fish Fillet Samples by Viviana Paiano, Elena Fattore, Andrea Carrà, Caterina Generoso, Roberto Fanelli, Renzo Bagnati

“…The method uses a simple liquid extraction by sonication, followed by a direct determination using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The linearity of the instrumental response was good, with average regression coefficients of 0.9971 and 0.9979 for PFOS and PFOA, respectively, and the coefficients of variation (CV) of the method ranged from 8% to 20%. …”
Get full text

Simultaneous Determination of Paracetamol, Chlorzoxazone and Diclofenac Sodium in Tablet Dosage Form by High Performance Liquid Chromatography by Madhukar A. Badgujar, Satish G. Pingale, Kiran V. Mangaonkar

Get full text

Development and validation of a simple and sensitive size-exclusion chromatography method for quantitative determination of heparin in pharmaceuticals by Matanović Maja Radivojša, Grabnarm Iztok, Grabnar Pegi Ahlin, Roškar Robert

Subjects: Get full text

Quantitative Determination of Flavonoids and Chlorogenic Acid in the Leaves of Arbutus unedo L. Using Thin Layer Chromatography by Željan Maleš, Darija Šarić, Mirza Bojić

Get full text

Detection and Structural Characterization of Nucleophiles Trapped Reactive Metabolites of Limonin Using Liquid Chromatography-Mass Spectrometry by Yujie Deng, Yudong Fu, Shumin Xu, Ping Wang, Nailong Yang, Chengqian Li, Qing Yu

“…The main objective of this study was to identify the reactive metabolites of LIM using liquid chromatography-mass spectrometry. Three nucleophiles, glutathione (GSH), N-acetyl cysteine (NAC), and N-acetyl lysine (NAL), were used to trap the reactive metabolites of LIM in in vitro and in vivo models. …”
Get full text

Determination of Methomyl Residues in Bohe by Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC-MS) by Yao Zheng, Addotey Tracy Naa Adoley, Benkhelifa Fateh, Wei Wu, Gengdong Hu, Liping Qiu, Jiazhang Chen

Get full text

Determination of Levetiracetam in Human Plasma by Dispersive Liquid-Liquid Microextraction Followed by Gas Chromatography-Mass Spectrometry by Greyce Kelly Steinhorst Alcantara, Leandro Augusto Calixto, Luiz Alberto Beraldo de Moraes, Regina Helena Costa Queiroz, Anderson Rodrigo Moraes de Oliveira, Cristiane Masetto de Gaitani

“…So this work presents a dispersive liquid-liquid microextraction method followed by gas chromatography-mass spectrometry (DLLME-GC-MS) for LEV quantification in human plasma. …”
Get full text