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Qu L, Pan L, Wang L, Liu C, Tian Y, Hao Z. Development of an online solid-phase extraction-liquid chromatography-mass spectrometric analysis of oxcarbazepine and its active metabolite licarbazepine from plasma with a direct injection step. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1125:121710. [PMID: 31299362 DOI: 10.1016/j.jchromb.2019.06.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 06/27/2019] [Accepted: 06/30/2019] [Indexed: 10/26/2022]
Abstract
We developed an online solid phase extraction procedure using a hydrophilic-lipophilic balance sorbent, with reversed-phase liquid chromatography-high-resolution mass spectroscopy for the determination of oxcarbazepine and its active metabolite licarbazepine in plasma samples. The analytes were detected using a high-resolution Q Orbitrap mass spectrometer with targeted-selected ion monitoring (t-SIM) in positive scan mode. Under the optimized conditions, the method was linear with R2 values >0.99. The method was linear from 0.008 to 2.000 μg mL-1 and the lower limit of quantification was 0.008 μg mL-1 for both oxcarbazepine and licarbazepine. Recoveries ranged from 92.34 to 104.27% and from matrix-matched samples from 94.26 to 104.19%. The intraday and interday precision RSD values were <9.13% with an associated accuracy of 92.71 to 104.06%. The total time for the one step online procedure was only 8 min. This method provides a direct and accurate measurement for therapeutic drug monitoring of oxcarbazepine and its active metabolite licarbazepine.
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Affiliation(s)
- Lihua Qu
- Agricultural Bio-pharmaceutical Laboratory, College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China; Key Laboratory of Bee Products for Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
| | - Lixuan Pan
- Agricultural Bio-pharmaceutical Laboratory, College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Li Wang
- Department of Integrated of Chinese and Western Medicine, the Affiliated Yantai Yuhuangding Hospital of Qingdao University Medical College, Yantai 264000, China
| | - Congmin Liu
- Agricultural Bio-pharmaceutical Laboratory, College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Yanhong Tian
- Agricultural Bio-pharmaceutical Laboratory, College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Zhihui Hao
- Agricultural Bio-pharmaceutical Laboratory, College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
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2
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Chávez-Moreno CA, Hinojosa-Reyes L, Ruiz-Ruiz EJ, Hernández-Ramírez A, Guzmán-Mar JL. Optimization of solid-phase extraction of parabens and benzophenones in water samples using a combination of Plakett-Burman and Box-Behnken designs. J Sep Sci 2018; 41:4488-4497. [DOI: 10.1002/jssc.201800796] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 10/07/2018] [Accepted: 10/09/2018] [Indexed: 01/17/2023]
Affiliation(s)
| | - Laura Hinojosa-Reyes
- Universidad Autónoma de Nuevo León (UANL); Facultad de Ciencias Químicas; México
| | - Edgar J. Ruiz-Ruiz
- Universidad Autónoma de Nuevo León (UANL); Facultad de Ciencias Químicas; México
| | | | - Jorge L. Guzmán-Mar
- Universidad Autónoma de Nuevo León (UANL); Facultad de Ciencias Químicas; México
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3
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Song L, Wang J, Gao Q, Ma X, Wang Y, Zhang Y, Xun H, Yao X, Tang F. Simultaneous determination of five azadirachtins in the seed and leaf extracts of Azadirachta indica by automated online solid-phase extraction coupled with LC-Q-TOF-MS. Chem Cent J 2018; 12:85. [PMID: 30027362 PMCID: PMC6053346 DOI: 10.1186/s13065-018-0453-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 07/16/2018] [Indexed: 11/10/2022] Open
Abstract
Neem (Azadirachta indica) extract is well-known as a natural pesticide for the control of agricultural pests. Azadirachtin A and its structural analogues are considered as active compounds. However, the amounts of azadirachtins varies in neem extracts, providing a variety of insecticidal activities. In this study, a novel method of automated online solid-phase extraction coupled with liquid chromatography/quadrupole-time-of-flight mass spectrometry (SPE-LC–Q-TOF–MS) was developed and validated for simultaneous quantification of five azadirachtins (azadirachtins A, B, D, H and I) in seed and leaf extracts of A. indica. Different experimental parameters (such as SPE cartridge, injection volume and washing step) were optimized. The optimized SPE-LC–Q-TOF–MS method showed good recovery (82.0–102.8%), linearity (r2 ≥ 0.9991) and precision (0.83–4.83%). The limit of detections (LODs) for the five analytes ranged from 0.34 to 0.76 ng mL−1. The validated method was successfully applied for determination of the analytes in the neem leaves and seeds from different locations and a neem formulation. The online SPE-LC–Q-TOF–MS method was found to be a simple, precise and accurate and can be used as a powerful tool for quality control of neem extracts or its formulations.
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Affiliation(s)
- Li Song
- SFA Key Laboratory of Bamboo and Rattan Science and Technology, International Centre for Bamboo and Rattan, No. 8 Futong Dongdajie, Wangjing, Chaoyang District, Beijing, 100102, China
| | - Jin Wang
- SFA Key Laboratory of Bamboo and Rattan Science and Technology, International Centre for Bamboo and Rattan, No. 8 Futong Dongdajie, Wangjing, Chaoyang District, Beijing, 100102, China.
| | - Quan Gao
- SFA Key Laboratory of Bamboo and Rattan Science and Technology, International Centre for Bamboo and Rattan, No. 8 Futong Dongdajie, Wangjing, Chaoyang District, Beijing, 100102, China
| | - Xiaojiang Ma
- SFA Key Laboratory of Bamboo and Rattan Science and Technology, International Centre for Bamboo and Rattan, No. 8 Futong Dongdajie, Wangjing, Chaoyang District, Beijing, 100102, China
| | - Yuwei Wang
- SFA Key Laboratory of Bamboo and Rattan Science and Technology, International Centre for Bamboo and Rattan, No. 8 Futong Dongdajie, Wangjing, Chaoyang District, Beijing, 100102, China
| | - Yaoyao Zhang
- SFA Key Laboratory of Bamboo and Rattan Science and Technology, International Centre for Bamboo and Rattan, No. 8 Futong Dongdajie, Wangjing, Chaoyang District, Beijing, 100102, China
| | - Hang Xun
- SFA Key Laboratory of Bamboo and Rattan Science and Technology, International Centre for Bamboo and Rattan, No. 8 Futong Dongdajie, Wangjing, Chaoyang District, Beijing, 100102, China
| | - Xi Yao
- SFA Key Laboratory of Bamboo and Rattan Science and Technology, International Centre for Bamboo and Rattan, No. 8 Futong Dongdajie, Wangjing, Chaoyang District, Beijing, 100102, China
| | - Feng Tang
- SFA Key Laboratory of Bamboo and Rattan Science and Technology, International Centre for Bamboo and Rattan, No. 8 Futong Dongdajie, Wangjing, Chaoyang District, Beijing, 100102, China.
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Li P, Fan Y, Wang Y, Lu Y, Yin Z. Characterization of plasma protein binding dissociation with online SPE-HPLC. Sci Rep 2015; 5:14866. [PMID: 26460813 PMCID: PMC4602217 DOI: 10.1038/srep14866] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 09/09/2015] [Indexed: 12/22/2022] Open
Abstract
A novel parameter of relative recovery (Rre) was defined and determined by online SPE-HPLC to characterize plasma protein binding (PPB) kinetics of highly plasma binding drugs. The proportional relationship of Rre with koff of PPB has been established with a new SPE model. A rapid, easy to use method could potentially be used to categorize PK properties of the drug candidates in the decision process of drug discovery and development.
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Affiliation(s)
- Ping Li
- College of Pharmacy &State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P.R.China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, P.R.China.,Tianjin International Joint Academy of Biomedicine, Tianjin 300457, P.R.China
| | - Yiran Fan
- College of Pharmacy &State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P.R.China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, P.R.China.,Tianjin International Joint Academy of Biomedicine, Tianjin 300457, P.R.China
| | - Yunlong Wang
- School of Mathematical Sciences, Nankai University, Tianjin 300071, P.R.China
| | - Yaxin Lu
- College of Pharmacy &State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P.R.China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, P.R.China
| | - Zheng Yin
- College of Pharmacy &State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P.R.China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, P.R.China
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Bielicka-Daszkiewicz K. Different methods to select the best extraction system for solid-phase extraction. J Sep Sci 2015; 38:439-44. [DOI: 10.1002/jssc.201401083] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 11/12/2014] [Accepted: 11/12/2014] [Indexed: 11/06/2022]
Affiliation(s)
- Katarzyna Bielicka-Daszkiewicz
- Institute of Technology and Chemical Engineering; Poznań University of Technology ul. Berdychowo 4; 60-965 Poznań Poland
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