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Wei Y, Sun Y, Jia S, Yan P, Xiong C, Qi M, Wang C, Du Z, Jiang H. Identification of endogenous carbonyl steroids in human serum by chemical derivatization, hydrogen/deuterium exchange mass spectrometry and the quantitative structure-retention relationship. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1226:123776. [PMID: 37311272 DOI: 10.1016/j.jchromb.2023.123776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/09/2023] [Accepted: 05/30/2023] [Indexed: 06/15/2023]
Abstract
Steroids are tetracyclic aliphatic compounds, and most of them contain carbonyl groups. The disordered homeostasis of steroids is closely related to the occurrence and progression of various diseases. Due to high structural similarity, low concentrations in vivo, poor ionization efficiency, and interference from endogenous substances, it is very challenging to comprehensively and unambiguously identify endogenous steroids in biological matrix. Herein, an integrated strategy was developed for the characterization of endogenous steroids in serum based on chemical derivatization, ultra-performance liquid chromatography quadrupole Exactive mass spectrometry (UPLC-Q-Exactive-MS/MS), hydrogen/deuterium (H/D) exchange, and a quantitative structure-retention relationship (QSRR) model. To enhance the mass spectrometry (MS) response of carbonyl steroids, the ketonic carbonyl group was derivatized by Girard T (GT). Firstly, the fragmentation rules of derivatized carbonyl steroid standards by GT were summarized. Then, carbonyl steroids in serum were derivatized by GT and identified based on the fragmentation rules or by comparing retention time and MS/MS spectra with those of standards. H/D exchange MS was utilized to distinguish derivatized steroid isomers for the first time. Finally, a QSRR model was constructed to predict the retention time of the unknown steroid derivatives. With this strategy, 93 carbonyl steroids were identified from human serum, and 30 of them were determined to be dicarbonyl steroids by the charge number of characteristic ions and the number of exchangeable hrdrogen or comparing with standards. The QSRR model built by the machine learning algorithms has an excellent regression correlation, thus the accurate structures of 14 carbonyl steroids were determined, among which three steroids were reported for the first time in human serum. This study provides a new analytical method for the comprehensive and reliable identification of carbonyl steroids in biological matrix.
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Affiliation(s)
- Yinyu Wei
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yi Sun
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Shuailong Jia
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430030 Wuhan, China
| | - Pan Yan
- Department of Pharmacy, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha 410028, China
| | - Chaomei Xiong
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Meiling Qi
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chenxi Wang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zhifeng Du
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Hongliang Jiang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China.
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2
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Jeong HC, Chae YJ, Shin KH. Predicting the systemic exposure and lung concentration of nafamostat using physiologically-based pharmacokinetic modeling. Transl Clin Pharmacol 2022; 30:201-211. [PMID: 36632076 PMCID: PMC9810492 DOI: 10.12793/tcp.2022.30.e20] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/13/2022] [Accepted: 12/15/2022] [Indexed: 12/31/2022] Open
Abstract
Nafamostat has been actively studied for its neuroprotective activity and effect on various indications, such as coronavirus disease 2019 (COVID-19). Nafamostat has low water solubility at a specific pH and is rapidly metabolized in the blood. Therefore, it is administered only intravenously, and its distribution is not well known. The main purposes of this study are to predict and evaluate the pharmacokinetic (PK) profiles of nafamostat in a virtual healthy population under various dosing regimens. The most important parameters were assessed using a physiologically based pharmacokinetic (PBPK) approach and global sensitivity analysis with the Sobol sensitivity analysis. A PBPK model was constructed using the SimCYP® simulator. Data regarding the in vitro metabolism and clinical studies were extracted from the literature to assess the predicted results. The model was verified using the arithmetic mean maximum concentration (Cmax), the area under the curve from 0 to the last time point (AUC0-t), and AUC from 0 to infinity (AUC0-∞) ratio (predicted/observed), which were included in the 2-fold range. The simulation results suggested that the 2 dosing regimens for the treatment of COVID-19 used in the case reports could maintain the proposed effective concentration for inhibiting severe acute respiratory syndrome coronavirus 2 entry into the plasma and lung tissue. Global sensitivity analysis indicated that hematocrit, plasma half-life, and microsomal protein levels significantly influenced the systematic exposure prediction of nafamostat. Therefore, the PBPK modeling approach is valuable in predicting the PK profile and designing an appropriate dosage regimen.
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Affiliation(s)
- Hyeon-Cheol Jeong
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University, Daegu 41566, Korea
| | - Yoon-Jee Chae
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Woosuk University, Wanju 55338, Korea
| | - Kwang-Hee Shin
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University, Daegu 41566, Korea
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3
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Determination of levodopa by chromatography-based methods in biological samples: a review. ANAL SCI 2022; 38:1009-1017. [PMID: 35715690 DOI: 10.1007/s44211-022-00132-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 05/12/2022] [Indexed: 11/01/2022]
Abstract
Levodopa (L-DOPA) is the most effective drug for Parkinson's disease; however, various side effects occur during therapy. L-DOPA metabolites and the high cumulative dose of L-DOPA were responsible for its side effects. It is necessary to monitor the concentration of L-DOPA and its metabolites for individualized therapy. This review focuses on L-DOPA analysis by chromatography-based methods in biological matrices. Literature published up to September 2021 was collected in the PubMed, Web of Science, and Embase by using search strategy ("levodopa" OR "L-DOPA") AND ("chromatography"). A total of 1249 articles were identified and 32 articles were included. The contents for method development and validation were summarized and analyzed. Due to the instability of catecholamines (L-DOPA, dopamine, and 3-O-methyldopa) and carbidopa, antioxidation (0.5 mg sodium metabisulfite for 100 μL sample) and environment temperature control were used alone or in combination to enhance stability. Sample was mainly pretreated by protein precipitation (0.4-0.7 M perchloric acid). Separation was usually achieved using methanol or acetonitrile:water (with formic acid) on C18 columns. Mass spectrometry, electrochemical detector, ultraviolet-visible detector and fluorescence detector were used for detection. For L-DOPA, the calibration range was 2.5-10,000 ng/mL, the matrix effect and its coefficient of variation was 85-115 and -9.0-8.5%, and the recovery was 66.8-127.0%. Without stabilization strategy, L-DOPA was stable in plasma at room temperature for 1-7 h (4-6 h for most studies), at - 70 °C to - 80 °C for 10-20 days and after 3-5 freeze-thaw cycles. With stabilization strategies, the stability of L-DOPA in plasma was significantly improved. Metabolites of L-DOPA and enzyme inhibitors (carbidopa, entacapone, tolcapone and benserazide) were all stable in biological matrix. This study might be useful for researchers to develop their methods for individualized therapy of patients with Parkinson.
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Oh HS, Kim T, Gu DH, Lee TS, Kim TH, Shin S, Shin BS. Pharmacokinetics of Nafamostat, a Potent Serine Protease Inhibitor, by a Novel LC-MS/MS Analysis. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27061881. [PMID: 35335247 PMCID: PMC8955020 DOI: 10.3390/molecules27061881] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/24/2022] [Accepted: 03/13/2022] [Indexed: 11/16/2022]
Abstract
Nafamostat, a synthetic serine protease inhibitor, has been used for the treatment of inflammatory diseases such as pancreatitis. Recently, an increasing number of studies have shown the promising antiviral effects of nafamostat for the treatment of coronavirus disease-19 (COVID-19). This study aimed to develop a novel liquid chromatography–tandem mass spectrometry (LC-MS/MS) analysis and to characterize the pharmacokinetics of nafamostat in rats. Nafamostat in the rat plasma was extracted by solid phase extraction, and 13C6-nafamostat was used as an internal standard. The quantification limit of nafamostat in the rat plasma was 0.5 ng/mL. The LC-MS/MS method was fully validated and applied to characterize the pharmacokinetics of nafamostat in rats. Following intravenous injection (2 mg/kg), nafamostat in the plasma showed a multiexponential decline with an average elimination half-life (t1/2) of 1.39 h. Following oral administration of nafamostat solutions (20 mg/kg) in 10% dimethyl sulfoxide (DMSO) and in 10% DMSO with 10% Tween 80, nafamostat was rapidly absorbed, and the average oral bioavailability was 0.95% and 1.59%, respectively. The LC-MS/MS method and the pharmacokinetic information of nafamostat could be helpful for the further preclinical and clinical studies of nafamostat.
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Affiliation(s)
- Hyeon Seok Oh
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (H.S.O.); (T.K.); (D.-H.G.); (T.S.L.)
| | - Taehyung Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (H.S.O.); (T.K.); (D.-H.G.); (T.S.L.)
| | - Dong-Hyeon Gu
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (H.S.O.); (T.K.); (D.-H.G.); (T.S.L.)
| | - Tae Suk Lee
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (H.S.O.); (T.K.); (D.-H.G.); (T.S.L.)
| | - Tae Hwan Kim
- College of Pharmacy, Daegu Catholic University, Gyeongsan 38430, Korea;
| | - Soyoung Shin
- College of Pharmacy, Wonkwang University, Iksan 54538, Korea;
| | - Beom Soo Shin
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (H.S.O.); (T.K.); (D.-H.G.); (T.S.L.)
- Correspondence: ; Tel.: +82-31-290-7705
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A rapid and sensitive LC-MS/MS method for determination of the active component K6 in serum of patients with depression. J Pharm Biomed Anal 2022; 213:114691. [DOI: 10.1016/j.jpba.2022.114691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 02/07/2022] [Accepted: 02/24/2022] [Indexed: 11/21/2022]
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6
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He X, Mei Y, Wang Y, Sun W, Shen M. Determination of inorganic anions in the whole blood by ion chromatography. J Pharm Biomed Anal 2019; 163:58-63. [PMID: 30286436 DOI: 10.1016/j.jpba.2018.09.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 09/04/2018] [Accepted: 09/15/2018] [Indexed: 11/25/2022]
Abstract
A fast, precise, and accurate method that can simultaneously determine 7 anions in whole blood was established by on line dialysis-double suppression ion chromatography. Performance parameters which could affect the determination of anions were optimized, including the selection of protein precipitant in samples, the amount of filtrate discarded, selection of eluent flow rate, influence of the Ag-Na column on experimental results, influence of ethylenediamines on ClO2-, and investigation of nitrogen drying. Finally, 3.6 mmol/L sodium carbonate was selected as eluent, with a flow rate of 0.8 mL/min, to separate the 7 anions. Blood and alcohol (v/v, 1:4) were used to precipitate the proteins in blood. The 7 anions reached an adequate recovery rate when the first 2 mL of filtrate from the C18 column was discarded. The recovery rate at LLOQ, low, medium, and high concentrations was 80-120%. The correlation coefficients (r2) of the calibration curves of the targeted anions ranged from 0.9975 to 0.9998. The limit of detection (LOD) was 0.309-7.71 μg/L. This method has simple pretreatment, high accuracy, and good reproducibility and selectivity, and is suitable for the separation and determination of anions in blood.
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Affiliation(s)
- Xiaohui He
- School of Basic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Yuejing Mei
- School of Basic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Yuchen Wang
- Hygiene Detection Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Wenjun Sun
- School of Basic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Mei Shen
- Hygiene Detection Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China.
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7
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Wang Z, Yang Y, Zhang F, Li M, Chen J, Man H, Jiang W, Zhang R, Gao S, Chen W. A direct, sensitive and efficient method for determination of alpha-fluoro-beta-alanine in urine: Evaluating the influence of magnesium isoglycyrrhizinate on excretion in rat model. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1102-1103:17-22. [PMID: 30366208 DOI: 10.1016/j.jchromb.2018.10.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 10/09/2018] [Accepted: 10/17/2018] [Indexed: 12/11/2022]
Abstract
Alpha-fluoro-beta-alanine (FBAL), the final metabolite of capecitabine, is a toxic compound excreting with urine. Magnesium isoglycyrrhizinate injection is a traditional Chinese medicine prescribed with capecitabine as a hepatoprotective agent. The purposes of this study are to develop an ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) method for direct, efficient and sensitive determination of FBAL in urine and explore the influence of magnesium isoglycyrrhizinate on the excretion of FBAL in rat model. The method development and validation were successfully achieved. The run time was 3 min based on an HILIC column and linear range was 0.02-10.00 μg/mL. The mass detection was completed using electrospray ionization in positive ionization mode with a multiple reaction monitoring mode. A simplified sample pretreatment procedure was performed by direct dilution using 50% acetonitrile aqueous solution with the matrix effect range 48.98%-52.10% and the recovery range 78.68%-83.28%. The intra-day and inter-day precision and accuracy were <11% and within ±6%, and the stability, specificity, carry-over, dilution effect and linearity all conformed to the criterions. This study presented preliminary results that the influence of magnesium isoglycyrrhizinate on the excretion of FBAL was insignificant in rats based on this new developed method.
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Affiliation(s)
- Zhipeng Wang
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China
| | - Yang Yang
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China
| | - Feng Zhang
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China
| | - Mingming Li
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China
| | - Jing Chen
- School of Chemistry and Biology, Yichun College, Yichun City, Jiangxi Province 336000, PR China
| | - Huan Man
- School of Chemistry and Biology, Yichun College, Yichun City, Jiangxi Province 336000, PR China
| | - Wei Jiang
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China
| | - Rui Zhang
- School of Chemistry and Biology, Yichun College, Yichun City, Jiangxi Province 336000, PR China
| | - Shouhong Gao
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China.
| | - Wansheng Chen
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China.
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8
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Chi J, Ling Y, Jenkins R, Li F. Quantitation of levodopa and carbidopa in rat plasma by LC–MS/MS: The key role of ion-pairing reversed-phase chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1054:1-9. [DOI: 10.1016/j.jchromb.2017.04.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Indexed: 11/28/2022]
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9
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Huang JZ, Liao K, Wang G, Haby T, Bolgar MS. Exploitation of the size-exclusion effect of reversed-phase high performance liquid chromatography for the direct analysis of diethylene triamine pentaacetic acid in therapeutic monoclonal antibody formulations. J Chromatogr A 2016; 1455:140-146. [PMID: 27295965 DOI: 10.1016/j.chroma.2016.05.087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 05/20/2016] [Accepted: 05/25/2016] [Indexed: 11/30/2022]
Abstract
Monoclonal antibodies (mAb) are being widely studied for the treatment of cancers and other diseases. The mAb is typically in a solution formulation and administered as an intravenous infusion. Ready-to-use solutions are favored for their clinical convenience but they can potentially suffer from a shorter shelf life due to accelerated rates of some forms of degradation such as oxidation, relative to lyophilized formulations. To improve stability, the chelating agent diethylene triamine pentaacetic acid (DTPA) is often used at very low concentrations in biologics formulations to prevent oxidation induced by metal ions. Because of its low concentration and susceptibility to changes in concentration during stability study or processing, the measurement of DTPA levels during formulation and process development is critical. In response to this need we developed a platform reversed-phase HPLC method that allows for the rapid and direct determination of DPTA concentrations which does not require the prior removal of mAbs in formulation samples. The method exploits the "size exclusion effect" of C18 columns with narrow pore sizes (90-120Å) to elute large mAb at the void volume, enabling direct injections of mAb samples for quantitation of DTPA. The method was found to be suitable for the analysis of DTPA in the range of 2-20μg/mL across multiple drug formulations containing different therapeutic mAb and antibody drug conjugates. The method was successfully validated for specificity, precision, accuracy, linearity, and robustness.
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Affiliation(s)
- Jason Z Huang
- Analytical & Bioanalytical Development, Bristol-Myers Squibb Company, One Squibb Drive, New Brunswick, NJ 08903, United States.
| | - Karen Liao
- Analytical & Bioanalytical Development, Bristol-Myers Squibb Company, One Squibb Drive, New Brunswick, NJ 08903, United States
| | - George Wang
- Analytical & Bioanalytical Development, Bristol-Myers Squibb Company, One Squibb Drive, New Brunswick, NJ 08903, United States
| | - Thomas Haby
- Drug Product Science & Technology, Bristol-Myers Squibb Company, One Squibb Drive, New Brunswick, NJ 08903, United States
| | - Mark S Bolgar
- Analytical & Bioanalytical Development, Bristol-Myers Squibb Company, One Squibb Drive, New Brunswick, NJ 08903, United States
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Abstract
Sensitive and reliable analysis of endogenous compounds is critically important for many physiological and pathological studies. Methods based on LC–MS have progressed to become the method of choice for analyzing endogenous compounds. However, the analysis can be challenging due to various factors, including inherent low concentrations in biological samples, low ionization efficiency, undesirable chromatographic behavior and interferences of complex biological. The integration of chemical derivatization with LC–MS could enhance its capabilities in sensitivity and selectivity, and extend its application to a wider range of analytes. In this article, we will review the derivatization strategies in the LC–MS analysis of various endogenous compounds, and provide applications highlighting the impact of these important techniques in the evaluation of pathological events.
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Liu L, Wen Y, Liu K, Sun L, Lu Y, Yin Z. Simultaneous determination of a broad range of cardiovascular drugs in plasma with a simple and efficient extraction/clean up procedure and chromatography-mass spectrometry analysis. RSC Adv 2014. [DOI: 10.1039/c4ra01045k] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
A simple, easy to use and efficient method was described for simultaneous determination of ten cardiovascular drugs with a broad range of physicochemical properties in rat plasma via online SPE and HPLC-MS/MS.
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Affiliation(s)
- Lei Liu
- College of Pharmacy & State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071, PR China
| | - Yabin Wen
- College of Life Science
- Nankai University
- Tianjin 300071, PR China
| | - Kangning Liu
- College of Pharmacy & State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071, PR China
| | - Liang Sun
- College of Pharmacy & State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071, PR China
| | - Yaxin Lu
- College of Pharmacy & State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071, PR China
| | - Zheng Yin
- College of Pharmacy & State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071, PR China
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12
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Abstract
LC with atmospheric pressure ionization MS is essential to a large number of quantitative bioanalyses for a variety of compounds, especially nonvolatile or highly polar compounds. However, in many instances, weak ionization, poor LC retention and instability of certain analytes hinder the development of the LC–MS/MS method. Chemical derivatization has been used for different classes of analytes to improve their ionization efficiency, chromatographic separation and chemical stability. This work presents an overview of chemical derivatization methods that have been applied to the quantitative LC–MS/MS analyses of nine classes of molecules, including aldehydes, amino acids, bisphosphonate drugs, carbohydrates, carboxylic acids, nucleosides and their associated analogs, steroids, thiol-containing compounds and vitamin D metabolites, in biological matrices.
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