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Li M, Chen H, Xu A, Duan S, Liu Q, Zhang R, Wang S, Bai H. High-performance fentanyl molecularly imprinted electrochemical sensing platform designed through molecular simulations. Anal Chim Acta 2024; 1312:342686. [PMID: 38834256 DOI: 10.1016/j.aca.2024.342686] [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: 02/16/2024] [Revised: 04/30/2024] [Accepted: 05/02/2024] [Indexed: 06/06/2024]
Abstract
BACKGROUND Fentanyl and its derivatives are a type of potent opioid analgesics, with the characteristics of diverse structure, high toxicity, extremely low content, and high fatality rate. Currently, they have become one of the most serious problems in international drug abuse control due to their extensive use in drug production and use. Therefore, the development of a rapid, sensitive, and accurate method for detecting trace fentanyl is of great significance. In this study, in view of its complex structure and trace concentration, a new molecular imprinting electrochemical sensor was developed through molecular simulations followed by experimental validation to detect trace fentanyl. RESULTS The process consisted of first obtaining the optimal functional monomer and its molar ratio through molecular simulations. The recognition sites of fentanyl-imprinted polymers were predicted to guide the synthesis of imprinted membranes with precision approach to ensure an efficient and accurate reaction process. Reduced graphene oxide (ErGO) was then deposited on glassy carbon electrode surface by electrochemical reduction to yield large numbers of active sites suitable for catalyzing reactions of fentanyl piperidine for promoted efficient electron transfer and amplified sensitivity of the sensor. Accordingly, fentanyl molecularly imprinted film was formed through one-step electropolymerization to yield greatly improved sensing selectivity due to the specific recognition of molecularly imprinted polymer. Under optimal experimental conditions, the fentanyl sensor showed an extended detection range of 3.84 × 10-9 mol L-1-1.72 × 10-6 mol L-1 and a detection limit of 1.28 × 10-9 mol L-1. SIGNIFICANCE A distinctive feature of this sensor is its molecularly imprinted polymerized membrane, which offers excellent specific recognition, thereby boosting the sensor's selectivity. Throughout the sensor's development process, molecular simulations were employed to steer the synthesis of molecularly imprinted polymers and predict the recognition sites of fentanyl-imprinted polymers. The experimental outcomes proved to align with the simulation data. The final sensor exhibited outstanding selectivity, repeatability, stability, and high sensitivity. The sensor was effectively used to reliably track fentanyl in human serum samples, with acceptable analytical reliability, suggesting its potential for practical applications.
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Affiliation(s)
- Meng Li
- School of Material and Energy, Yunnan Key Laboratory of Micro/Nano Materials & Technology, Yunnan University, Kunming, 650091, China
| | - Haiou Chen
- School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Anyun Xu
- School of Material and Energy, Yunnan Key Laboratory of Micro/Nano Materials & Technology, Yunnan University, Kunming, 650091, China
| | - Shimeng Duan
- School of Material and Energy, Yunnan Key Laboratory of Micro/Nano Materials & Technology, Yunnan University, Kunming, 650091, China
| | - Qingju Liu
- School of Material and Energy, Yunnan Key Laboratory of Micro/Nano Materials & Technology, Yunnan University, Kunming, 650091, China
| | - Ruilin Zhang
- Institut of Forensic Medical, Kunming Medical University, Kunming, 650050, China
| | - Shixiong Wang
- School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China.
| | - Huiping Bai
- School of Material and Energy, Yunnan Key Laboratory of Micro/Nano Materials & Technology, Yunnan University, Kunming, 650091, China.
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Salomone A, Galletto M, Massano M, Di Corcia D, Palamar JJ, Vincenti M. Detection of fentanyl, synthetic opioids, and ketamine in hair specimens from purposive samples of American and Italian populations. J Forensic Sci 2023; 68:1698-1707. [PMID: 37515395 PMCID: PMC10529932 DOI: 10.1111/1556-4029.15348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/19/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023]
Abstract
With the current crisis related to the diffusion of fentanyl and other novel opioids in several countries and populations, new and effective approaches are needed to better elucidate the phenomenon. In this context, hair testing offers a unique perspective in the investigation of drug consumption, producing useful information in terms of exposure to psychoactive substances. In this research, we applied targeted ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) analytical methods to detect novel synthetic and prescription opioids and other common controlled psychoactive drugs in the keratin matrix. A total of 120 hair samples were analyzed from the United States (US) and Italy, segmented when longer than 6 cm, and then analyzed. In the 60 samples (83 segments in total) analyzed from a purposive sample of data collected in the US, fentanyl was detected in 14 cases (16.9%), with no detection of nitazens or brorphine. We also detected fentanyl metabolites, despropionyl-p-fluorofentanyl, and prescription opioids. In the 60 samples collected in Italy (91 segments in total), ketamine was the most prevalent compound detected (in 41 cases; 45.1%), with ketamine demonstrating a strong correlation with detection of amphetamines and MDMA, likely due to co-use of these substances in recreational contexts. Several common drugs were also detected but no exposure to fentanyl or its analogs were detected. Results of this retrospective exploration of drug use add to increasing evidence that hair testing can serve as a useful adjunct to epidemiology studies that seek to determine biologically confirmed use and exposure in high-risk populations.
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Affiliation(s)
- Alberto Salomone
- Department of Chemistry, University of Turin, Turin, Italy
- Centro Regionale Antidoping, Orbassano (TO), Italy
| | | | - Marta Massano
- Department of Chemistry, University of Turin, Turin, Italy
| | | | - Joseph J. Palamar
- New York University Grossman School of Medicine, Department of Population Health, New York, NY, USA
| | - Marco Vincenti
- Department of Chemistry, University of Turin, Turin, Italy
- Centro Regionale Antidoping, Orbassano (TO), Italy
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Carelli C, Radogna A, Bolcato V, Vignali C, Moretti M, Merli D, Morini L. Old and New Synthetic and Semi-synthetic Opioids Analysis in Hair: A Review. TALANTA OPEN 2022. [DOI: 10.1016/j.talo.2022.100108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Platosz NA, Binz TM, Baumgartner MR, Lendoiro E, de Castro A, Concheiro M. Quantification of Classic, Prescription and Synthetic Opioids in Hair by LC-MS-MS. J Anal Toxicol 2021; 45:943-949. [PMID: 33027514 DOI: 10.1093/jat/bkaa152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 09/01/2020] [Accepted: 10/05/2020] [Indexed: 01/10/2023] Open
Abstract
The current use and misuse of synthetic and prescription opioids in the USA has reached epidemic status. According to the US Department of Health and Human Services, every day more than 130 people in the USA die after overdosing on opioids, and 2.1 million had an opioid use disorder in 2018. Hair is becoming an alternative matrix of increasing interest in forensic toxicology to investigate drug use and abuse patterns due to its long window of detection. The focus of this project was to develop and validate a method that simultaneously detects and quantifies 27 classic, prescription and synthetic opioids in hair by liquid chromatography-tandem mass spectrometry (LC-MS-MS). Hair samples were decontaminated and pulverized in a bead mill. Twenty-five milligrams of hair powder were incubated in a buffer overnight. Mixed mode cation exchange solid phase extraction was carried out before undergoing reversed-phase chromatographic separation, successfully resolving isobaric opioids. We used two multiple reaction monitoring transitions in positive mode to identify each analyte. The linearity range was 1-500 pg/mg for fentanyl and synthetic opioids and 10-500 pg/mg for prescription and classic opioids. Imprecision was <17.5% and bias ranged from -13.6 to 12.0%. Majority of compounds showed extraction efficiency >50%, and ion suppression from -89.2 to -26.6% (CV < 19%, n = 10). This method was applied to 64 authentic cases, identifying 13 compounds from our panel. A sensitive and specific method was developed for the identification and quantification of 27 classic, prescription and synthetic opioids in hair by LC-MS-MS.
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Affiliation(s)
- Natalia A Platosz
- Department of Sciences, John Jay College of Criminal Justice, City University of New York, NY, USA
| | - Tina M Binz
- Center for Forensic Hair Analytics, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Markus R Baumgartner
- Center for Forensic Hair Analytics, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Elena Lendoiro
- Servizo de Toxicoloxía, Instituto de Ciencias Forenses, Universidade de Santiago de Compostela, Santiago de Compostela, A Coruña, Spain
| | - Ana de Castro
- Servizo de Toxicoloxía, Instituto de Ciencias Forenses, Universidade de Santiago de Compostela, Santiago de Compostela, A Coruña, Spain
| | - Marta Concheiro
- Department of Sciences, John Jay College of Criminal Justice, City University of New York, NY, USA.,Center for Forensic Hair Analytics, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
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Florou D, Boumba VA. Hair analysis for New Psychoactive Substances (NPS): Still far from becoming the tool to study NPS spread in the community? Toxicol Rep 2021; 8:1699-1720. [PMID: 34646750 PMCID: PMC8501677 DOI: 10.1016/j.toxrep.2021.09.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/08/2021] [Accepted: 09/13/2021] [Indexed: 11/24/2022] Open
Abstract
The detection of 280 NPS has been reported to be enabled through hair analysis. The LODs/ LOQs for these NPS are as low as pg/mg of hair. The NPS hair concentrations in clinical/forensic samples are considerably higher than the respective LOD. Untargeted-mass spectroscopic detection techniques could advance NPS hair analysis. NPS hair analysis could become the tool to monitor the extent of NPS use worldwide.
In this review article, we performed an overview of extraction and chromatographic analysis methods of NPS in hair from 2007 to 2021, evaluating the limit of detection (LOD), limit of quantification (LOQ), limit of reporting (LOR), and limit of identification (LOI) values reported for each NPS. Our review aimed to highlight the limitations of modern hair analytical techniques, and the prerequisites for the proper evaluation and use of analytical results in relation to the objectives of NPS hair analysis. In the selected studies the detection of a total of 280 NPS was reported. The detected NPS belonged to seven classes: synthetic cannabinoids with 109 different substances, synthetic opioids with 58, cathinones with 50, phenethylamines with 34, other NPS with 15, tryptamines with ten, and piperazines with four substances. The NPS hair analysis of real forensic/ clinical cases reported the detection of only 80 NPS (out of the 280 targeted), in significantly higher levels than the respective LODs. The analytical protocols reviewed herein for NPS hair analysis showed continuously growing trends to identify as many NPS as possible; the extraction methods seem to have a limited potential to improve, while the various mass spectroscopic techniques and relevant instrumentation provide an enormous field for development and application. Hair is a biological indicator of the past chronic, sub-chronic, and, even, in certain cases, acute exposure to xenobiotics. Therefore, future research in the field could progress NPS hair analysis and aim the monitoring of NPS expansion and extent of use in the community.
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Affiliation(s)
- Dimitra Florou
- Department of Forensic Medicine and Toxicology, Faculty of Medicine School of Health Sciences, University of Ioannina, University Campus, 45110 Ioannina, Greece
| | - Vassiliki A Boumba
- Department of Forensic Medicine and Toxicology, Faculty of Medicine School of Health Sciences, University of Ioannina, University Campus, 45110 Ioannina, Greece
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Rygaard K, Linnet K, Johansen SS. A Systematic Review of Metabolite-to-Drug Ratios of Pharmaceuticals in Hair for Forensic Investigations. Metabolites 2021; 11:686. [PMID: 34677401 PMCID: PMC8539361 DOI: 10.3390/metabo11100686] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/24/2021] [Accepted: 10/04/2021] [Indexed: 12/04/2022] Open
Abstract
After ingestion, consumed drugs and their metabolites are incorporated into hair, which has a long detection window, ranging up to months. Therefore, in addition to conventional blood and urine analyses, hair analysis can provide useful information on long-term drug exposure. Meta-bolite-to-drug (MD) ratios are helpful in interpreting hair results, as they provide useful information on drug metabolism and can be used to distinguish drug use from external contamination, which is otherwise a limitation in hair analysis. Despite this, the MD ratios of a wide range of pharmaceuticals have scarcely been explored. This review aims to provide an overview of MD ratios in hair in a range of pharmaceuticals of interest to forensic toxicology, such as antipsychotic drugs, antidepressant drugs, benzodiazepines, common opiates/opioids, etc. The factors influencing the ratio were evaluated. MD ratios of 41 pharmaceuticals were reported from almost 100 studies. MD ratios below 1 were frequently reported, indicating higher concentrations of the parent pharmaceutical than of its metabolite in hair, but wide-ranging MD ratios of the majority of pharmaceuticals were found. Intra- and interindividual differences and compound properties were variables possibly contributing to this. This overview presents guidance for future comparison and evaluation of MD ratios of pharmaceuticals.
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Affiliation(s)
- Karen Rygaard
- Section of Forensic Chemistry, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Frederik V’s Vej 11, 2100 Copenhagen, Denmark; (K.L.); (S.S.J.)
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Salomone A, Di Corcia D, Negri P, Kolia M, Amante E, Gerace E, Vincenti M. Targeted and untargeted detection of fentanyl analogues and their metabolites in hair by means of UHPLC-QTOF-HRMS. Anal Bioanal Chem 2020; 413:225-233. [PMID: 33063167 PMCID: PMC7801321 DOI: 10.1007/s00216-020-02994-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/25/2020] [Accepted: 10/06/2020] [Indexed: 12/25/2022]
Abstract
Detection of new psychoactive substances and synthetic opioids is generally performed by means of targeted methods in mass spectrometry, as they generally provide adequate sensitivity and specificity. Unfortunately, new and unexpected compounds are continuously introduced in the illegal market of abused drugs, preventing timely updating of the analytical procedures. Moreover, the investigation of biological matrices is influenced by metabolism and excretion, in turn affecting the chance of past intake detectability. In this scenario, new opportunities are offered by both the non-targeted approaches allowed by modern UHPLC-HRMS instrumentation and the investigation of hair as the matrix of choice to detect long-term exposure to toxicologically relevant substances. In this study, we present a comprehensive and validated workflow that combines the use of UHPLC-QTOF-HRMS instrumentation with a simple hair sample extraction procedure for the detection of a variety of fentanyl analogues and metabolites. A simultaneous targeted and untargeted analysis was applied to 100 real samples taken from opiates users. MS and MS/MS data were collected for each sample. Data acquisition included a TOF-MS high-resolution scan combined with TOF-MS/MS acquisition demonstrating considerable capability to detect expected and unexpected substances even at low concentration levels. The predominant diffusion of fentanyl was confirmed by its detection in 68 hair samples. Other prevalent analogues were furanylfentanyl (28 positive samples) and acetylfentanyl (14 positive samples). Carfentanil, methylfentanyl, and ocfentanil were not found in any of the analyzed samples. Furthermore, the retrospective data analysis based on untargeted acquisition allowed the identification of two fentanyl analogues, namely β-hydroxyfentanyl and methoxyacetylfentanyl, which were not originally included in the panel of targeted analytes.
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Affiliation(s)
- Alberto Salomone
- Centro Regionale Antidoping e di Tossicologia, Regione Gonzole 10/1, 10043, Orbassano, TO, Italy. .,Department of Chemistry, University of Turin, Via Pietro Giuria 5, 10125, Torino, Italy.
| | - Daniele Di Corcia
- Centro Regionale Antidoping e di Tossicologia, Regione Gonzole 10/1, 10043, Orbassano, TO, Italy
| | | | - Maria Kolia
- Department of Chemistry, University of Ioannina, Ioannina Campus, 1186, Ioannina, 45500, Greece
| | - Eleonora Amante
- Department of Chemistry, University of Turin, Via Pietro Giuria 5, 10125, Torino, Italy
| | - Enrico Gerace
- Centro Regionale Antidoping e di Tossicologia, Regione Gonzole 10/1, 10043, Orbassano, TO, Italy
| | - Marco Vincenti
- Centro Regionale Antidoping e di Tossicologia, Regione Gonzole 10/1, 10043, Orbassano, TO, Italy.,Department of Chemistry, University of Turin, Via Pietro Giuria 5, 10125, Torino, Italy
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Freni F, Moretti M, Radaelli D, Carelli C, Osculati AMM, Tronconi L, Vignali C, Morini L. Determination of fentanyl and 19 derivatives in hair: Application to an Italian population. J Pharm Biomed Anal 2020; 189:113476. [PMID: 32693203 DOI: 10.1016/j.jpba.2020.113476] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/09/2020] [Accepted: 07/10/2020] [Indexed: 01/04/2023]
Abstract
Nowadays fentanyl and its analogs represent the most numerous group among synthetic opioid and, due to their higher potency in comparison to traditionl opioids, the main cause of the critical increase of fatal intoxications opioids-intake related in the USA. We developed an LC-MS/MS method for the detection and quantification of fentanyl and its analogs in hair, then applied to 117 real samples, 97 collected from drugs users and 20 from postmortem cases of drugs addicts. The ionization and MRM parameters have been optimized for 27 molecules: 20 reached the acceptance criteria for identification and quantification. LODs and LOQs of 0.2 and 0.5 pg/mg, respectively, were reached for most of the substances, except for five compounds for which were set at 0.5 and 1.0 pg/mg. 2 out of the 97 samples collected from drug users tested positive; one for carfentanil, butyryl fentanyl, THFF and ocfentanil; the other one for 3-methyl norfentanyl. 2 out of the 20 postmortem samples show positive results: one only for fentanyl, the other for furanyl fentanyl, acetyl fentanyl, methoxyacetyl fentanyl, methoxyacetyl norfentanyl, ocfentanil and 4-ANPP. Despite the relatively small number of samples, the results suggest that the method should be included in routine hair analyses for monitoring the new synthetic opioids potential intake by drug users.
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Affiliation(s)
- Francesca Freni
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy.
| | - Matteo Moretti
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy
| | - Davide Radaelli
- Department of Medicine, Surgery and Health, University of Trieste, Trieste, Italy
| | - Claudia Carelli
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy
| | - Antonio Marco Maria Osculati
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy; U.O. Medicina Legale, IRCCS Fondazione Mondino, Pavia, Italy
| | - Livio Tronconi
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy; U.O. Medicina Legale, IRCCS Fondazione Mondino, Pavia, Italy
| | - Claudia Vignali
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy
| | - Luca Morini
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy
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Development and validation of fast UHPLC-MS/MS screening method for 87 NPS and 32 other drugs of abuse in hair and nails: application to real cases. Anal Bioanal Chem 2020; 412:5125-5145. [DOI: 10.1007/s00216-020-02462-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/16/2020] [Accepted: 01/27/2020] [Indexed: 12/25/2022]
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