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Chen W, Yuan K, He Q, Li Q, Luo J, Chu F, Wang H, Feng H, Pan Y. Long term online desalting analysis of MS/LC-MS using thermal assisted recrystallization ionization. Talanta 2024; 274:125981. [PMID: 38583325 DOI: 10.1016/j.talanta.2024.125981] [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: 01/10/2024] [Revised: 03/06/2024] [Accepted: 03/20/2024] [Indexed: 04/09/2024]
Abstract
Mass spectrometric analysis of non-volatile salts containing samples remains challenging due to salt-induced ion suppression and contamination. This challenge is even more pronounced for a liquid chromatography-mass spectrometry analysis, where the accumulation of salts in the transmission system poses an ongoing problem. In this study, a novel thermal assisted recrystallization ionization mass spectrometry (TARI-MS) device was developed to achieve efficient on-line desalting and prolonged analysis of saline samples. The core component of this device was a heated plate positioned between the electrospray unit and the MS inlet. The desalting mechanism was demonstrated as the spontaneous separation of target molecules from salts during the "crystallization" process. After optimization, the angle between the nebulizer and the heated plate was 45°; the distance between the front end of the heated plate and the MS inlet was 2 mm; the distance between the front edge of the heated plate and the center of the sample spray projected onto the heating plate was 3 mm; the distance between the emitter of nebulizer and the heated plate was 3 mm. TARI-MS realized direct analysis of eight drugs dissolved in eight commonly used non-volatile salts solutions (up to 0.5 mol/L). The high sensitivity, repeatability, linearity, accuracy, and intra- and inter-day precision of TARI-MS confirm its reliability as a robust tool for the analysis of saline samples. Furthermore, TARI-MS allowed continuous analysis of salty eluates of LC for up to nearly 1 h without maintenance and verified the feasibility of LC-MS analysis through detecting a five-drug mixture and a crude aripiprazole product. Finally, six impurities in the crude aripiprazole product were successfully detected by LC-TARI-MS. The established method holds promise for applications across academic and pharmaceutical domains.
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Affiliation(s)
- Weiwei Chen
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Kailong Yuan
- China Tobacco Zhejiang Industrial Co., Ltd., Hangzhou, Zhejiang, 310008, PR China
| | - Quan He
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Qing Li
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Jing Luo
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Fengjian Chu
- Key Laboratory of Advanced Micro/Nano Electronic Devices and Smart Systems of Zhejiang, College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Huiwen Wang
- Analysis Center of Agrobiology and Environmental Sciences, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Hongru Feng
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China.
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China.
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Chen W, Gao Z, Chu F, He Q, Gao Y, Liu Y, Feng H, Pan Y. Heat-Assisted Dual Neutral Spray Ionization for High-Performance Online Desalting in Mass Spectrometric Analysis. Anal Chem 2022; 94:15002-15009. [PMID: 36255385 DOI: 10.1021/acs.analchem.2c02919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In mass spectrometry (MS), nonvolatile salts contaminate the transmission system and cause ion suppression, hampering MS analysis. When MS is combined with liquid chromatography (LC) that uses a salty mobile phase, the problems become more intractable due to long analysis time. Here, a novel heat-assisted dual neutral spray ionization (HADSI) method was developed, which projected sample solution spray and solvent spray onto a heated plate to achieve online desalting and high ionization. The experimental parameters of HADSI were optimized, which indicated that the plate temperature was crucial for ionization and desalination. Eight drug compounds dissolved in various commonly used buffers were directly analyzed using HADSI-MS, even though the concentration of PBS buffer reached 500 mmol/L. The established method showed considerable sensitivity in the positive ion mode with the limits of detection at the level of nmol/L, and good linearity (R2 > 0.99) was achieved for all the analyzed compounds. The repeatability and intra- and interday precisions of the method were evaluated, demonstrating the feasibility and reliability of the analysis of salty samples by HADSI-MS. Further, the method was demonstrated to tolerate the long-time analysis of high-salt LC eluates and the device was easy to maintain. Finally, a crude roxithromycin product was separated by LC and then analyzed by HADSI-MS, and seven unknown impurities and nine known impurities were successfully detected. Our results indicated that HADSI-MS may have potential applications in academic and industrial fields.
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Affiliation(s)
- Weiwei Chen
- Department of Chemistry, Zhejiang University, Hangzhou, 310027Zhejiang, P. R. China
| | - Zhan Gao
- Department of Chemistry, Zhejiang University, Hangzhou, 310027Zhejiang, P. R. China
| | - Fengjian Chu
- Key Laboratory of Advanced Micro/Nano Electronic Devices and Smart Systems of Zhejiang, College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, 310027Zhejiang, P. R. China
| | - Quan He
- Department of Chemistry, Zhejiang University, Hangzhou, 310027Zhejiang, P. R. China
| | - Yuanji Gao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610068Sichuan, P. R. China
| | - Yaqin Liu
- Department of Chemistry, Zhejiang University, Hangzhou, 310027Zhejiang, P. R. China
| | - Hongru Feng
- Department of Chemistry, Zhejiang University, Hangzhou, 310027Zhejiang, P. R. China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou, 310027Zhejiang, P. R. China
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Gao Y, Li Y, Zhan B, He Q, Zhu H, Chen W, Yin Q, Feng H, Pan Y. Ambient electric arc ionization for versatile sample analysis using mass spectrometry. Analyst 2021; 146:5682-5690. [PMID: 34397059 DOI: 10.1039/d1an00872b] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel, convenient ambient electric arc ionization (AEAI) device was developed as a mass spectrometry ion source for versatile sample analysis. AEAI could be considered as a soft ionization technique in which the protonated ion ([M + H]+) is the main ion species with little or no in-source fragmentation for most analytes. Coupled with a high-resolution Orbitrap mass spectrometer, AEAI could be applied to the analysis of a variety of organic compounds having a wide range of polarities, ranging from non-polar species such as polybenzenoid aromatic hydrocarbons (PAHs) to highly polar species such as amino acids. With its versatile capabilities in the mass spectrometric analysis of small molecules, AEAI has the potential to be an alternative to traditional ionization methods such as electrospray ionization (ESI), atmospheric pressure chemical ionization (APCI), and electron impact (EI) ionization. The limitations of AEAI are also discussed.
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Affiliation(s)
- Yuanji Gao
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China. .,College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, Sichuan, P.R. China
| | - Yuan Li
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China.
| | - Binpeng Zhan
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China.
| | - Quan He
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China.
| | - Heping Zhu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China.
| | - Weiwei Chen
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China.
| | - Qi Yin
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China.
| | - Hongru Feng
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China.
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China.
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Kloth R, Khanipour P, Mayrhofer KJJ, Katsounaros I. Implementation of an enclosed ionization interface for the analysis of liquid sample streams with direct analysis in real time mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2021; 35:e9091. [PMID: 33786897 DOI: 10.1002/rcm.9091] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 06/12/2023]
Abstract
RATIONALE The development of an interface to analyze liquid sample streams with direct analysis in real time mass spectrometry (DART-MS) is of great interest for coupling various analytical techniques, using non-volatile salts, with MS. Therefore, we devised an enclosed ionization interface and a sample introduction system for the versatile analysis of liquid samples with DART-MS. METHODS The sample introduction system consists of a nebulizer, a spray chamber and a transfer line, while the confined ionization interface is created by implementing a cross-shaped housing between ion source outlet and mass spectrometer inlet. Methodical studies of the effects of various setup parameters on signal intensity and peak shape were conducted, while its diverse applicability was demonstrated by coupling with high-performance liquid chromatography (HPLC) for the analysis of alcohols, organic acids and furanic compounds. RESULTS The confinement of the ionization interface results in a robust setup design with a well-defined ionization region for focusing of the sprayed sample mist. Thereby, an increase in analyte signal intensity by three orders of magnitude and improved signal stability and reproducibility were obtained in comparison with a similar open ionization interface configuration. Additionally, the successful quantification of alcohols could be demonstrated as well as the compatibility of the setup with HPLC gradient elution. CONCLUSIONS A versatile setup design for the analysis of liquid sample streams with DART-MS was devised for monitoring reactions or hyphenating analytics with MS. The design minimizes interferences from the laboratory surroundings as well as allows for safe handling of hazardous and toxic chemicals, which renders it suitable for a broad range of applications.
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Affiliation(s)
- Ricarda Kloth
- Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Forschungszentrum Jülich GmbH, Egerlandstr. 3, Erlangen, 91058, Germany
- Department of Chemical and Biological Engineering, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstr. 3, Erlangen, 91058, Germany
| | - Peyman Khanipour
- Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Forschungszentrum Jülich GmbH, Egerlandstr. 3, Erlangen, 91058, Germany
- Department of Chemical and Biological Engineering, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstr. 3, Erlangen, 91058, Germany
| | - Karl J J Mayrhofer
- Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Forschungszentrum Jülich GmbH, Egerlandstr. 3, Erlangen, 91058, Germany
- Department of Chemical and Biological Engineering, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstr. 3, Erlangen, 91058, Germany
| | - Ioannis Katsounaros
- Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Forschungszentrum Jülich GmbH, Egerlandstr. 3, Erlangen, 91058, Germany
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Jones NS, Comparin JH. Interpol review of controlled substances 2016-2019. Forensic Sci Int Synerg 2020; 2:608-669. [PMID: 33385148 PMCID: PMC7770462 DOI: 10.1016/j.fsisyn.2020.01.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 01/23/2020] [Indexed: 12/14/2022]
Abstract
This review paper covers the forensic-relevant literature in controlled substances from 2016 to 2019 as a part of the 19th Interpol International Forensic Science Managers Symposium. The review papers are also available at the Interpol website at: https://www.interpol.int/content/download/14458/file/Interpol%20Review%20Papers%202019.pdf.
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Affiliation(s)
- Nicole S. Jones
- RTI International, Applied Justice Research Division, Center for Forensic Sciences, 3040 E. Cornwallis Road, Research Triangle Park, NC, 22709-2194, USA
| | - Jeffrey H. Comparin
- United States Drug Enforcement Administration, Special Testing and Research Laboratory, USA
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Zhou F, Liu S, Xing J, Liu Z, Song F. Fast analysis of benzodiazepines using argon direct analysis in real time mass spectrometry on-line coupled with a thermal-assisted gasification injector. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2017; 31:1073-1076. [PMID: 28384380 DOI: 10.1002/rcm.7871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 03/31/2017] [Accepted: 03/31/2017] [Indexed: 06/07/2023]
Affiliation(s)
- Feng Zhou
- National Center of Mass Spectrometry in Changchun & Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Shu Liu
- National Center of Mass Spectrometry in Changchun & Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Junpeng Xing
- National Center of Mass Spectrometry in Changchun & Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Zhiqiang Liu
- National Center of Mass Spectrometry in Changchun & Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Fengrui Song
- National Center of Mass Spectrometry in Changchun & Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
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Huang Y, Ma Y, Hu H, Guo P, Miao L, Yang Y, Zhang M. Rapid and sensitive detection of trace malachite green and its metabolite in aquatic products using molecularly imprinted polymer-coated wooden-tip electrospray ionization mass spectrometry. RSC Adv 2017. [DOI: 10.1039/c7ra10094a] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
In this study, a molecularly imprinted polymer-coated wooden-tip (MIPCWT) electrospray ionization mass spectrometry (ESI-MS) method was developed for rapid and sensitive detection of trace malachite green (MG) and its metabolite in aquatic products.
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Affiliation(s)
- Yanying Huang
- School of Materials Science and Energy Engineering
- Foshan University
- Foshan 528000
- China
| | - Yanfang Ma
- Guangdong Engineering and Technology Research Center for Ambient Mass Spectrometry
- Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals
- Guangdong Institute of Analysis (China National Analytical Center Guangzhou)
- Guangzhou 510070
- China
| | - Huawen Hu
- School of Materials Science and Energy Engineering
- Foshan University
- Foshan 528000
- China
| | - Pengran Guo
- Guangdong Engineering and Technology Research Center for Ambient Mass Spectrometry
- Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals
- Guangdong Institute of Analysis (China National Analytical Center Guangzhou)
- Guangzhou 510070
- China
| | - Lei Miao
- School of Materials Science and Energy Engineering
- Foshan University
- Foshan 528000
- China
| | - Yunyun Yang
- Guangdong Engineering and Technology Research Center for Ambient Mass Spectrometry
- Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals
- Guangdong Institute of Analysis (China National Analytical Center Guangzhou)
- Guangzhou 510070
- China
| | - Min Zhang
- School of Materials Science and Energy Engineering
- Foshan University
- Foshan 528000
- China
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