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Dou Q, Liu W, Xiang P, Zhao J. Quantitative Analysis of Three Synthetic Cannabinoids MDMB-4en-PINACA, ADB-BUTINACA, and ADB-4en-PINACA by Thermal-Assisted Carbon Fiber Ionization Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023; 34:2316-2322. [PMID: 37641897 DOI: 10.1021/jasms.3c00229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Recently, synthetic cannabinoids (SCs) have emerged as new psychoactive substances (NPS) and have been frequently added to e-liquids, leading to their abuse. In order to detect SCs in e-liquids quickly and accurately, a thermal-assisted carbon fiber ionization mass spectrometry technique has been developed. The introduction of a heat source helps to reduce the matrix effects. The results indicate that the ratio of the slope of the matrix curve (e-liquids matrix) and the standard curve (methanol solution) for SCs analysis is close to 1, indicating a minimized matrix effect of this method. Furthermore, this method exhibits good quantitative ability when applied to real samples. It does not require sample pretreatment and is sensitive enough to directly quantify SCs in e-liquids. Our method is characterized by the ability to achieve rapid and direct quantitative analysis with minimized matrix effects. It provides a rapid and simple method for analyzing SCs in e-liquids.
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Affiliation(s)
- Quanlu Dou
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
- School of Pharmacy, Yantai University, Yantai 264005, China
| | - Wanhui Liu
- School of Pharmacy, Yantai University, Yantai 264005, China
| | - Ping Xiang
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - Junbo Zhao
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
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Jiang S, Zhao J, Yan H, Xiang P, Shen M. Analysis of 15 anti-obesity drugs in urine using thermal-assisted paper spray mass spectrometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:4434-4441. [PMID: 37606058 DOI: 10.1039/d3ay00559c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/23/2023]
Abstract
Anti-obesity drugs, used to suppress appetite and reduce fat absorption, have been circulated and traded illegally worldwide. The traditional methods of liquid chromatography tandem mass spectrometry (LC-MS/MS) and gas chromatography-mass spectrometry (GC-MS) for analyzing these drugs in in vivo samples require complex sample pretreatment and time-consuming procedures. To address this issue, a thermal-assisted paper spray mass spectrometry (PS-MS) method was developed in this study to analyze anti-obesity drugs in raw urine. By incorporating a heat source and optimizing the spray solvent and paper substrate, this technique demonstrates reduced matrix effect and higher sensitivity compared to traditional PS-MS methodology for direct analysis of anti-obesity drugs in urine samples. A temperature range of 100-200 °C can be set for screening anti-obesity drugs in urine samples, with the flexibility to adjust the temperature according to the specific drug being analyzed. The limits of detection (LODs) for these 15 anti-obesity drugs in urine ranged between 1 and 500 ng mL-1. Furthermore, the thermal-assisted PS-MS method exhibited good linearities (R2, 0.9903-0.9997) within the range from 10-100 to 1000 ng mL-1 for the direct quantitation of anti-obesity drugs in urine samples with an internal standard. Therefore, the thermal-assisted PS-MS technique may provide a novel approach for the direct analysis of drugs in complex samples.
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Affiliation(s)
- Shijia Jiang
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, 200063, China.
- Criminal Justice College, East China University of Political Science and Law, Shanghai, 200042, China
| | - Junbo Zhao
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, 200063, China.
| | - Hui Yan
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, 200063, China.
| | - Ping Xiang
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, 200063, China.
| | - Min Shen
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, 200063, China.
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Affiliation(s)
- David Love
- United States Drug Enforcement Administration, Special Testing and Research Laboratory, USA
| | - Nicole S. Jones
- RTI International, Applied Justice Research Division, Center for Forensic Sciences, 3040 E. Cornwallis Road, Research Triangle Park, NC, 22709-2194, USA,70113th Street, N.W., Suite 750, Washington, DC, 20005-3967, USA,Corresponding author. RTI International, Applied Justice Research Division, Center for Forensic Sciences, 3040 E. Cornwallis Road, Research Triangle Park, NC, 22709-2194, USA.
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Cheng JYK, Hui JWS, Chan WS, So MH, Hong YH, Leung WT, Ku KW, Yeung HS, Lo KM, Fung KM, Ip CY, Dao KL, Cheung BKK. Interpol review of toxicology 2019-2022. Forensic Sci Int Synerg 2022; 6:100303. [PMID: 36597440 PMCID: PMC9799715 DOI: 10.1016/j.fsisyn.2022.100303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Bobbie Kwok-keung Cheung
- Corresponding author. Government Laboratory, 7/F, Homantin Government Offices, 88 Chung Hau Street, Ho Man Tin, Kowloon, SAR, Hong Kong, China. http://www.govtlab.gov.hk/
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Rankin‐Turner S, Reynolds JC, Turner MA, Heaney LM. Applications of ambient ionization mass spectrometry in 2021: An annual review. ANALYTICAL SCIENCE ADVANCES 2022; 3:67-89. [PMID: 38715637 PMCID: PMC10989594 DOI: 10.1002/ansa.202100067] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/17/2022] [Accepted: 02/27/2022] [Indexed: 06/26/2024]
Abstract
Ambient ionization mass spectrometry (AIMS) has revolutionized the field of analytical chemistry, enabling the rapid, direct analysis of samples in their native state. Since the inception of AIMS almost 20 years ago, the analytical community has driven the further development of this suite of techniques, motivated by the plentiful advantages offered in addition to traditional mass spectrometry. Workflows can be simplified through the elimination of sample preparation, analysis times can be significantly reduced and analysis remote from the traditional laboratory space has become a real possibility. As such, the interest in AIMS has rapidly spread through analytical communities worldwide, and AIMS techniques are increasingly being integrated with standard laboratory operations. This annual review covers applications of AIMS techniques throughout 2021, with a specific focus on AIMS applications in a number of key fields of research including disease diagnostics, forensics and security, food safety testing and environmental sciences. While some new techniques are introduced, the focus in AIMS research is increasingly shifting from the development of novel techniques toward efforts to improve existing AIMS techniques, particularly in terms of reproducibility, quantification and ease-of-use.
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Affiliation(s)
- Stephanie Rankin‐Turner
- W. Harry Feinstone Department of Molecular Microbiology and ImmunologyJohns Hopkins Bloomberg School of Public HealthJohns Hopkins UniversityBaltimoreMarylandUSA
| | - James C. Reynolds
- Department of ChemistryLoughborough UniversityLoughboroughLeicestershireUK
| | - Matthew A. Turner
- Department of ChemistryLoughborough UniversityLoughboroughLeicestershireUK
| | - Liam M. Heaney
- School of SportExercise and Health SciencesLoughborough UniversityLoughboroughLeicestershireUK
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Kong R, Li L, Liu W, Xiang P, Zhao J. Rapid characterization of drugs in a single hair using thermal desorption ionization mass spectrometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:806-812. [PMID: 35138309 DOI: 10.1039/d1ay01908b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Hair remains the most common type of physical evidence found in most crime scenes. However, the amount of hair found at a crime scene is limited and analysis of drugs in hair by gas chromatography mass spectrometry (GC-MS) or liquid chromatography tandem mass spectrometry (LC-MS/MS) is laborious and time-consuming. In this study, a rapid and simple method is developed using thermal desorption ionization mass spectrometry (TDI-MS) to analyze drugs directly in a single hair. A single hair is put onto a heated metal ceramic heater (MCH) and then a high voltage direct current and solvent are applied to the single hair. The drugs in the hair are thermally desorbed and ionized, and subsequently transferred to the MS inlet and detected. A typical hair analysis can be completed in a few minutes. This novel technique provides a new orientation for forensic scientists to study drugs in a single hair that is found at a crime scene, on a suspect, or on a victim.
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Affiliation(s)
- Ran Kong
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, China.
- School of Pharmacy, Yantai University, Yantai, China
| | - Le Li
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, China.
- School of Pharmacy, Yantai University, Yantai, China
| | - Wanhui Liu
- School of Pharmacy, Yantai University, Yantai, China
| | - Ping Xiang
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, China.
| | - Junbo Zhao
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, China.
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