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Zhang M, Shang R, Zhang H, Hong Z, Yu K, Kan G, Xiong H, Song D, Jiang Y, Jiang J. Microsyringe-based slug-flow microextraction for rapid and accurate determination of antibiotics in highly saline seawater. Anal Chim Acta 2024; 1313:342790. [PMID: 38862205 DOI: 10.1016/j.aca.2024.342790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 05/22/2024] [Accepted: 05/26/2024] [Indexed: 06/13/2024]
Abstract
BACKGROUND Extensive use of antibiotics leads to widespread environmental pollution, endangering ecosystems, and human health. It is particularly concerning, posing global threats requiring urgent attention and action. In this regard, the shift to mass spectrometry in determining antibiotics is highly desirable. Significant progress has been made in analyzing and optimizing the sensitivity of high-salt samples. However, the persistence of cumbersome operational procedures presents a significant challenge to this shift. Thus, the persistence of complex operational procedures needs to be addressed. RESULTS In this study, a rapid and direct method for determining antibiotics in highly saline environmental water samples using microsyringe-based slug-flow microextraction (MSFME)-droplet spray ionization (DSI) mass spectrometry (MS) has been described. The proposed method successfully detected clarithromycin, ofloxacin, and sulfadimidine in seawater within a linear range of 1-1200 ng mL-1, with low limits of detection of 0.19 ng mL-1, 0.17 ng mL-1, and 0.20 ng mL-1, respectively (Signal/Noise = 3). Additionally, spiked real seawater samples of all three antibiotics demonstrated satisfactory recoveries (95.1-107.5%) and precision (RSD≤8.8%). The MSFME-treated high-salt sample (3.5 wt%) showed a mass spectral response intensity 4-5 orders of magnitude higher than the untreated medium-salt sample (0.35 wt%). Furthermore, exploration of the applicability of MSFME showed that it is suitable not only for high-salinity (3.5 wt%) samples but also for salt-free or low-salt and hard water samples rich in calcium and magnesium ions. SIGNIFICANCE Comparisons with other methods, complex laboratory setups for sample processing are now simplified to a single step, completing the entire process, including desalination and detection, MSFME-DSI-MS provides faster results in less than 1 min while maintaining sensitivity comparable to that of other detection methods. In conclusion, this advancement provides an exceptionally simplified protocol for the rapid, highly sensitive, and quantitative determination of antibiotics in environmental water samples.
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Affiliation(s)
- Meng Zhang
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, 264209, China; School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China.
| | - Ruonan Shang
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, 264209, China
| | - Hong Zhang
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, 264209, China
| | - Ziying Hong
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, 264209, China
| | - Kai Yu
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, 264209, China
| | - Guangfeng Kan
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, 264209, China
| | - Huixia Xiong
- Shanxi Provincial Center for Disease Control and Prevention, Xiaonan Guan Street 8, Taiyuan, 030001, China
| | - Daqian Song
- College of Chemistry, Jilin University, Jilin, Changchun, 130012, China
| | - Yanxiao Jiang
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, 264209, China.
| | - Jie Jiang
- School of Marine Science and Technology, Harbin Institute of Technology (WeiHai), Weihai, Shandong, 264209, China; School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang, 150090, China.
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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, Li Q, Luo J, Pan Y, Feng H. Crystallization and Solvent Evaporation Ionization Mass Spectrometry (CSEI-MS) for Rapid Detection of Drugs in Complex Matrices. Anal Chem 2024; 96:8886-8892. [PMID: 38771107 DOI: 10.1021/acs.analchem.4c01469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Illegal addition of drugs is common but seriously threatens public health safety. Conventional mass spectrometry methods are difficult to realize direct analysis of drugs existing in some complex matrices such as seawater or soil due to the ion suppression effect and contamination to MS parts caused by nonvolatile salts. In this work, a novel crystallization and solvent evaporation ionization mass spectrometry (CSEI-MS) method was constructed and developed to achieve rapid desalting detection. CSEI only consists of a heated plate and a nebulizer and exhibits excellent desalting performance, enabling direct analysis of six drugs dissolved in eight kinds of salt solutions (up to 200 mmol/L) and three complex salty matrices. Under optimized conditions, CSEI-MS presents high sensitivity, accuracy, linearity, and intraday and interday precision. Finally, this method is applied to the quantitative analysis of drugs in seawater, hand cream, and soil. Furthermore, the highly sensitive detection of CSEI-MS is demonstrated to remain even if the detection processes are conducted within 5 s via common commercial tools.
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Affiliation(s)
- Weiwei Chen
- Department of Chemistry, Zhejiang University, Hangzhou Zhejiang 310027, P. R. China
| | - Qing Li
- Department of Chemistry, Zhejiang University, Hangzhou Zhejiang 310027, P. R. China
| | - Jing Luo
- Department of Chemistry, Zhejiang University, Hangzhou Zhejiang 310027, P. R. China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou Zhejiang 310027, P. R. China
| | - Hongru Feng
- Department of Chemistry, Zhejiang University, Hangzhou Zhejiang 310027, P. R. China
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Chen G, Chu F, Zhang S, Li W, Zhou S, Wei W, Chen W, Wang X, Yue L, Feng H, Cui Y, Pan Y. Ortho C-H Bond Activations in an Atmospheric Microwave Plasma Ion Source. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2024; 35:951-959. [PMID: 38597607 DOI: 10.1021/jasms.4c00011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
C-H bond ortho-substitution reaction has always been a significant and challenging topic in organic chemistry. We proposed a synthesis method based on microwave plasma torches. High-resolution mass spectrometry was used to monitor rapid reaction products. 2-Alkylbenzimidazole can be formed through the reaction of phenylnitrenium ion and nitriles on a millisecond scale. This reaction can achieve the one-step formation of benzimidazoles from benzene ring single-substituted compounds without the addition of external oxidants or catalysts. A similar C-H bond activation reaction can be accomplished with ketones. Meanwhile, the microwave plasma reactor was modified, and the resulting 2-methylbenzimidazole was successfully collected, indicating the device has good application potential in organic reactions such as C-H bond activation reaction.
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Affiliation(s)
- Guanru Chen
- Department of Chemistry, Zhejiang University, Hangzhou 310027 Zhejiang, P. R. China
| | - Fengjian Chu
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Shuheng Zhang
- Department of Chemistry, Zhejiang University, Hangzhou 310027 Zhejiang, P. R. China
| | - Wangyu Li
- Department of Chemistry, Zhejiang University, Hangzhou 310027 Zhejiang, P. R. China
| | - Shiwen Zhou
- Department of Chemistry, Zhejiang University, Hangzhou 310027 Zhejiang, P. R. China
| | - Wei Wei
- Department of Chemistry, Zhejiang University, Hangzhou 310027 Zhejiang, P. R. China
| | - Weiwei Chen
- Department of Chemistry, Zhejiang University, Hangzhou 310027 Zhejiang, P. R. China
| | - Xiaozhi Wang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Lei Yue
- College of Biology, Hunan University, Changsha 410082, Hunan, P. R. China
| | - Hongru Feng
- Department of Chemistry, Zhejiang University, Hangzhou 310027 Zhejiang, P. R. China
| | - Yanli Cui
- 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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Huang K, Zeng H, Li X, Li X, Pan Y, Gao Y. Arc-Induced Electrospray Ionization Mass Spectrometry. Anal Chem 2024; 96:317-324. [PMID: 38154037 DOI: 10.1021/acs.analchem.3c04125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
Arc-induced electrospray ionization mass spectrometry (AESI-MS) was developed during which alternating current electrospray is simply achieved through the arc plasma. The AESI source exploits the arc's temperature and charge properties to generate aerosols consisting of charged microdroplets. The electrospray region, in which organic molecules are contained within microdroplets, partially overlaps with the arc plasma region. Guided by the electric field, these molecules undergo ionization, yielding ionic target analytes. AESI represents a soft ionization method that combines the mechanisms of atmospheric pressure chemical ionization and electrospray ionization, facilitating the ionization of analytes with wide ranging polarities. The precisely targeted spraying area enhances ion entry into the mass analyzer, thereby enabling excellent ionization efficiency. The AESI source exhibits several notable advantages over the electrospray ionization source, including an elevated but comparable level of active species concentrations and types, simplified mass spectra for direct amino acid analysis, high salt tolerance, versatile analysis of compounds with varying polarities, and reliable quantitative analysis of amino acids in complex matrices. Overall, AESI broadens the methodologies employed to generate microdroplets, providing a technological and scientific framework for creating distinctive electrospray ionization techniques.
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Affiliation(s)
- Kaineng Huang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, P. R. China
| | - Hui Zeng
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, P. R. China
| | - Xingyue Li
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, P. R. China
| | - Xiaoting Li
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, P. R. China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang310027, P. R. China
| | - Yuanji Gao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan 610068, P. R. China
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Rankin‐Turner S, Sears P, Heaney LM. Applications of ambient ionization mass spectrometry in 2022: An annual review. ANALYTICAL SCIENCE ADVANCES 2023; 4:133-153. [PMID: 38716065 PMCID: PMC10989672 DOI: 10.1002/ansa.202300004] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 04/16/2023] [Accepted: 04/17/2023] [Indexed: 06/28/2024]
Abstract
The development of ambient ionization mass spectrometry (AIMS) has transformed analytical science, providing the means of performing rapid analysis of samples in their native state, both in and out of the laboratory. The capacity to eliminate sample preparation and pre-MS separation techniques, leading to true real-time analysis, has led to AIMS naturally gaining a broad interest across the scientific community. Since the introduction of the first AIMS techniques in the mid-2000s, the field has exploded with dozens of novel ion sources, an array of intriguing applications, and an evident growing interest across diverse areas of study. As the field continues to surge forward each year, ambient ionization techniques are increasingly becoming commonplace in laboratories around the world. This annual review provides an overview of AIMS techniques and applications throughout 2022, with a specific focus on some of the major fields of research, including forensic science, disease diagnostics, pharmaceuticals and food sciences. New techniques and methods are introduced, demonstrating the unwavering drive of the analytical community to further advance this exciting field and push the boundaries of what analytical chemistry can achieve.
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Affiliation(s)
- Stephanie Rankin‐Turner
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public HealthJohns Hopkins UniversityBaltimoreMarylandUSA
| | - Patrick Sears
- School of Chemistry and Chemical EngineeringUniversity of SurreyGuildfordUK
| | - Liam M Heaney
- School of Sport, Exercise and Health SciencesLoughborough UniversityLoughboroughUK
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