1
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More D, Khan N, Tekade RK, Sengupta P. An Update on Current Trend in Sample Preparation Automation in Bioanalysis: strategies, Challenges and Future Direction. Crit Rev Anal Chem 2024:1-25. [PMID: 38949910 DOI: 10.1080/10408347.2024.2362707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Automation in sample preparation improves accuracy, productivity, and precision in bioanalysis. Moreover, it reduces resource consumption for repetitive procedures. Automated sample analysis allows uninterrupted handling of large volumes of biological samples originating from preclinical and clinical studies. Automation significantly helps in management of complex testing methods where generation of large volumes of data is required for process monitoring. Compared to traditional sample preparation processes, automated procedures reduce associated expenses and manual error, facilitate laboratory transfers, enhance data quality, and better protect the health of analysts. Automated sample preparation techniques based on robotics potentially increase the throughput of bioanalytical laboratories. Robotic liquid handler, an automated sample preparation system built on a robotic technique ensures optimal laboratory output while saving expensive solvents, manpower, and time. Nowadays, most of the traditional extraction processes are being automated using several formats of online techniques. This review covered most of the automated sample preparation techniques reported till date, which accelerated and simplified the sample preparation procedure for bioanalytical sample analysis. This article critically analyzed different developmental aspects of automated sample preparation techniques based on robotics as well as conventional sample preparation methods that are accelerated using automated technologies.
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Affiliation(s)
- Dnyaneshwar More
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), An Institute of National Importance, Government of India, Opp. Airforce Station, Palaj, Gandhinagar 382355, Gujarat, India
| | - Nasir Khan
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), An Institute of National Importance, Government of India, Opp. Airforce Station, Palaj, Gandhinagar 382355, Gujarat, India
| | - Rakesh Kumar Tekade
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), An Institute of National Importance, Government of India, Opp. Airforce Station, Palaj, Gandhinagar 382355, Gujarat, India
| | - Pinaki Sengupta
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), An Institute of National Importance, Government of India, Opp. Airforce Station, Palaj, Gandhinagar 382355, Gujarat, India
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2
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Jacobson T, Bae Y, Kler JS, Iyer R, Zhang R, Montgomery ND, Nunes D, Pleil JD, Funk WE. Advancing Global Health Surveillance of Mycotoxin Exposures using Minimally Invasive Sampling Techniques: A State-of-the-Science Review. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:3580-3594. [PMID: 38354120 PMCID: PMC10903514 DOI: 10.1021/acs.est.3c04981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 01/14/2024] [Accepted: 01/16/2024] [Indexed: 02/16/2024]
Abstract
Mycotoxins are a heterogeneous group of toxins produced by fungi that can grow in staple crops (e.g., maize, cereals), resulting in health risks due to widespread exposure from human consumption and inhalation. Dried blood spot (DBS), dried serum spot (DSS), and volumetric tip microsampling (VTS) assays were developed and validated for several important mycotoxins. This review summarizes studies that have developed these assays to monitor mycotoxin exposures in human biological samples and highlights future directions to facilitate minimally invasive sampling techniques as global public health tools. A systematic search of PubMed (MEDLINE), Embase (Elsevier), and CINAHL (EBSCO) was conducted. Key assay performance metrics were extracted to provide a critical review of the available methods. This search identified 11 published reports related to measuring mycotoxins (ochratoxins, aflatoxins, and fumonisins) using DBS/DSS and VTS assays. Multimycotoxin assays adapted for DBS/DSS and VTS have undergone sufficient laboratory validation for applications in large-scale population health and human biomonitoring studies. Future work should expand the number of mycotoxins that can be measured in multimycotoxin assays, continue to improve multimycotoxin assay sensitivities of several biomarkers with low detection rates, and validate multimycotoxin assays across diverse populations with varying exposure levels. Validated low-cost and ultrasensitive minimally invasive sampling methods should be deployed in human biomonitoring and public health surveillance studies to guide policy interventions to reduce inequities in global mycotoxin exposures.
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Affiliation(s)
- Tyler
A. Jacobson
- Department
of Preventive Medicine, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Yeunook Bae
- Department
of Preventive Medicine, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Jasdeep S. Kler
- University
of Michigan Medical School, Ann Arbor, Michigan 48109, United States
| | - Ramsunder Iyer
- Department
of Preventive Medicine, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Runze Zhang
- Department
of Preventive Medicine, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Nathan D. Montgomery
- Department
of Preventive Medicine, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Denise Nunes
- Galter
Health Sciences Library, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Joachim D. Pleil
- Department
of Environmental Sciences and Engineering, Gillings School of Public
Health, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - William E. Funk
- Department
of Preventive Medicine, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
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3
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Cafaro A, Conti M, Pigliasco F, Barco S, Bandettini R, Cangemi G. Biological Fluid Microsampling for Therapeutic Drug Monitoring: A Narrative Review. Biomedicines 2023; 11:1962. [PMID: 37509602 PMCID: PMC10377272 DOI: 10.3390/biomedicines11071962] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/04/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Therapeutic drug monitoring (TDM) is a specialized area of laboratory medicine which involves the measurement of drug concentrations in biological fluids with the aim of optimizing efficacy and reducing side effects, possibly modifying the drug dose to keep the plasma concentration within the therapeutic range. Plasma and/or whole blood, usually obtained by venipuncture, are the "gold standard" matrices for TDM. Microsampling, commonly used for newborn screening, could also be a convenient alternative to traditional sampling techniques for pharmacokinetics (PK) studies and TDM, helping to overcome practical problems and offering less invasive options to patients. Although technical limitations have hampered the use of microsampling in these fields, innovative techniques such as 3-D dried blood spheroids, volumetric absorptive microsampling (VAMS), dried plasma spots (DPS), and various microfluidic devices (MDS) can now offer reliable alternatives to traditional samples. The application of microsampling in routine clinical pharmacology is also hampered by the need for instrumentation capable of quantifying analytes in small volumes with sufficient sensitivity. The combination of microsampling with high-sensitivity analytical techniques, such as liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS), is particularly effective in ensuring high accuracy and sensitivity from very small sample volumes. This manuscript provides a critical review of the currently available microsampling devices for both whole blood and other biological fluids, such as plasma, urine, breast milk, and saliva. The purpose is to provide useful information in the scientific community to laboratory personnel, clinicians, and researchers interested in implementing the use of microsampling in their routine clinical practice.
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Affiliation(s)
- Alessia Cafaro
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Matteo Conti
- Public Health Department, Imola Local Unit, Regione Emilia-Romagna Healthcare Service, 40026 Imola, Italy
| | - Federica Pigliasco
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Sebastiano Barco
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Roberto Bandettini
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Giuliana Cangemi
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
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4
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Thevis M, Walpurgis K, Thomas A. DropWise: current role and future perspectives of dried blood spots (DBS), blood microsampling, and their analysis in sports drug testing. Crit Rev Clin Lab Sci 2023; 60:41-62. [PMID: 35938300 DOI: 10.1080/10408363.2022.2103085] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
For decades, blood testing has been an integral part of routine doping controls. The breadth of information contained in blood samples has become considerably more accessible for anti-doping purposes over the last 10 years through technological advancements regarding analytical instrumentation as well as enhanced sample collection systems. Particularly, microsampling of whole blood and serum, for instance as dried blood spots (DBS), has opened new avenues in sports drug testing and substantially increased the availability and cost-effectiveness of doping control specimens. Thus, microvolume blood specimens possess the potential to improve monitoring of blood hormone and drug levels, support evaluation of circulating drug concentrations in competition, and enhance the stability of labile markers and target analytes in blood passport analyses as well as peptide hormone and steroid ester detection. Further, the availability of the fraction of lysed erythrocytes for anti-doping purposes warrants additional investigation, considering the sequestering capability of red blood cells (RBCs) for certain substances, as a complementary approach in support of the clean sport.
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Affiliation(s)
- M Thevis
- Institute of Biochemistry/Center for Preventive Doping Research, German Sport University Cologne, Cologne, Germany.,European Monitoring Center for Emerging Doping Agents (EuMoCEDA), Bonn, Germany
| | - Katja Walpurgis
- Institute of Biochemistry/Center for Preventive Doping Research, German Sport University Cologne, Cologne, Germany
| | - A Thomas
- Institute of Biochemistry/Center for Preventive Doping Research, German Sport University Cologne, Cologne, Germany
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5
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Ishii H, Shibuya M, Leung GNW, Yamashita S, Nagata SI, Kushiro A, Sakai S, Toju K, Okada J, Kawasaki K, Kusano K, Kijima-Suda I. Additional studies on nicotine exposure in horses: Accurate quantification and elimination profiles of potential biomarkers in plasma and urine. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2022; 36:e9396. [PMID: 36098053 DOI: 10.1002/rcm.9396] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
RATIONALE For the purpose of doping control, this is the first report of accurate quantification of four critical structural isomers of nicotine metabolites (trans-3'-hydroxycotinine, cis-3'-hydroxycotinine, 5'-hydroxycotinine, and N'-hydroxymethylnorcotinine) in equine plasma and urine for the establishment of their elimination profiles. Besides, the pharmacokinetic studies of trans-3'-hydroxycotinine and N'-hydroxymethylnorcotinine in equine plasma and urine are also presented for the first time. METHODS The accurate quantification methods of the aforementioned four structural isomers in horse plasma and urine were successfully developed and validated using the solid-phase extractions followed by liquid chromatography/tandem mass spectrometry analysis. Baseline chromatographic separation was achieved to completely differentiate these isomers, which shared the same selected reaction monitoring transition. Such methods were applied to post-administration samples obtained from the nicotine and tobacco leaf administration studies for the establishment of pharmacokinetic profiles. RESULTS N'-Hydroxymethylnorcotinine could be quantified for the longest period, ranging from 48 to 72 h in plasma and 96 h in urine after a single administration of 250 mg of nicotine and an equivalent amount of nicotine in tobacco leaves. In terms of detection, both N'-hydroxymethylnorcotinine and trans-3'-hydroxycotinine could be detected up to the last sample collection time point (96 h), indicating that they are the most appropriate biomarkers for nicotine exposure. CONCLUSIONS N'-Hydroxymethylnorcotinine and trans-3'-hydroxycotinine were detected longest in plasma and urine samples after both nicotine and tobacco leaf administrations, and N'-hydroxymethylnorcotinine was deemed most appropriate as a monitoring target due to its relatively higher abundance and slower elimination rate. These two biomarkers could also be used to differentiate sample contamination by tobacco products and genuine nicotine exposure to horse regardless of intentionality.
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Affiliation(s)
- Hideaki Ishii
- Drug Analysis Department, Laboratory of Racing Chemistry, Utsunomiya, Tochigi, Japan
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Miyagi, Japan
| | - Mariko Shibuya
- Drug Analysis Department, Laboratory of Racing Chemistry, Utsunomiya, Tochigi, Japan
| | - Gary Ngai-Wa Leung
- Drug Analysis Department, Laboratory of Racing Chemistry, Utsunomiya, Tochigi, Japan
| | - Shozo Yamashita
- Drug Analysis Department, Laboratory of Racing Chemistry, Utsunomiya, Tochigi, Japan
| | - Shun-Ichi Nagata
- Genetic Analysis Department, Laboratory of Racing Chemistry, Utsunomiya, Tochigi, Japan
| | - Asuka Kushiro
- Equine Research Institute, Research Planning & Coordination Division, Japan Racing Association, Shimotsuke, Tochigi, Japan
| | - Satoshi Sakai
- Race Horse Hospital, Miho Training Center, Japan Racing Association, Inashiki-gun, Ibaraki, Japan
| | - Kota Toju
- Race Horse Hospital, Miho Training Center, Japan Racing Association, Inashiki-gun, Ibaraki, Japan
| | - Jun Okada
- Veterinarian Section, Equine Department, Japan Racing Association, Minato-ku, Tokyo, Japan
| | - Kazumi Kawasaki
- Veterinarian Section, Equine Department, Japan Racing Association, Minato-ku, Tokyo, Japan
| | - Kanichi Kusano
- Race Horse Hospital, Ritto Training Center, Japan Racing Association, Ritto, Shiga, Japan
| | - Isao Kijima-Suda
- Drug Analysis Department, Laboratory of Racing Chemistry, Utsunomiya, Tochigi, Japan
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6
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Mazzarino M, Di Costanzo L, Comunità F, Stacchini C, de la Torre X, Botrè F. UHPLC-HRMS Method for the Simultaneous Screening of 235 Drugs in Capillary Blood for Doping Control Purpose: Comparative Evaluation of Volumetric and Non-volumetric Dried Blood Spotting Devices. ACS OMEGA 2022; 7:31845-31868. [PMID: 36119994 PMCID: PMC9475635 DOI: 10.1021/acsomega.2c01417] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Abstract
We present a quick and simple multi-targeted analytical workflow based on ultra-high-performance liquid chromatography coupled to high-resolution mass spectrometry for the screening in dried blood spots and dried plasma spots of a wide variety of drugs with different chemical properties. Seven different microsampling devices were evaluated in view of their application for the detection of the selected target analytes in the framework of doping control analysis. The extraction of the analytes was optimized by assessing the efficacy of protocols based on ultrasonication with aqueous buffers and/or organic solvents of different polarities. Optimal recoveries were obtained by using pure methanol or mixtures of methanol/acetonitrile and methanol/isopropanol, depending on both the device and the target analytes. The method was fully validated according to both ISO17025 and the requirements of the World Anti-Doping Agency: all the analytes were clearly distinguishable from the matrix, with limits of detection in the range of 0.1-3.0 ng mL-1. Stability studies simulating the storage of samples before the analysis and in view of a possible re-analysis showed that most of the analytes were stable for at least 24 h at 50 °C and for at least 3 weeks at 25 and at 4 °C. The real applicability of the method was assessed by analyzing the samples collected after the administration of two model drugs, acetazolamide and deflazacort. The performance of the method was confirmed to be fit for purpose, and data obtained in blood can also be used to complement those available in urine, allowing to refine the knowledge concerning the pharmacokinetic profiles.
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Affiliation(s)
- Monica Mazzarino
- Laboratorio
Antidoping, Federazione Medico Sportiva
Italiana, Largo Giulio
Onesti, 1, 00197 Rome, Italy
| | - Ludovica Di Costanzo
- Laboratorio
Antidoping, Federazione Medico Sportiva
Italiana, Largo Giulio
Onesti, 1, 00197 Rome, Italy
| | - Fabio Comunità
- Laboratorio
Antidoping, Federazione Medico Sportiva
Italiana, Largo Giulio
Onesti, 1, 00197 Rome, Italy
| | - Carlotta Stacchini
- Laboratorio
Antidoping, Federazione Medico Sportiva
Italiana, Largo Giulio
Onesti, 1, 00197 Rome, Italy
- Dipartimento
Chimica e Tecnologia del Farmaco, “Sapienza”
Università di Roma, Piazzale Aldo Moro 5, 00161 Rome, Italy
| | - Xavier de la Torre
- Laboratorio
Antidoping, Federazione Medico Sportiva
Italiana, Largo Giulio
Onesti, 1, 00197 Rome, Italy
| | - Francesco Botrè
- Laboratorio
Antidoping, Federazione Medico Sportiva
Italiana, Largo Giulio
Onesti, 1, 00197 Rome, Italy
- REDs—Research
and Expertise in Anti-Doping Sciences, ISSUL—Institute of Sport
Sciences, University of Lausanne, Synathlon—Quartier Centre, 1015 Lausanne, Switzerland
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7
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Jacobson TA, Kler JS, Bae Y, Chen J, Ladror DT, Iyer R, Nunes DA, Montgomery ND, Pleil JD, Funk WE. A state-of-the-science review and guide for measuring environmental exposure biomarkers in dried blood spots. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2022:10.1038/s41370-022-00460-7. [PMID: 35963945 PMCID: PMC9375076 DOI: 10.1038/s41370-022-00460-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 07/14/2022] [Accepted: 07/21/2022] [Indexed: 05/11/2023]
Abstract
BACKGROUND Dried blood spot (DBS) sampling is a simple, cost-effective, and minimally invasive alternative to venipuncture for measuring exposure biomarkers in public health and epidemiological research. DBS sampling provides advantages in field-based studies conducted in low-resource settings and in studies involving infants and children. In addition, DBS samples are routinely collected from newborns after birth (i.e., newborn dried blood spots, NDBS), with many states in the United States permitting access to archived NDBS samples for research purposes. OBJECTIVES We review the state of the science for analyzing exposure biomarkers in DBS samples, both archived and newly collected, and provide guidance on sample collection, storage, and blood volume requirements associated with individual DBS assays. We discuss recent progress regarding analytical methods, analytical sensitivity, and specificity, sample volume requirements, contamination considerations, estimating extracted blood volumes, assessing stability and analyte recovery, and hematocrit effects. METHODS A systematic search of PubMed (MEDLINE), Embase (Elsevier), and CINAHL (EBSCO) was conducted in March 2022. DBS method development and application studies were divided into three main chemical classes: environmental tobacco smoke, trace elements (including lead, mercury, cadmium, and arsenic), and industrial chemicals (including endocrine-disrupting chemicals and persistent organic pollutants). DBS method development and validation studies were scored on key quality-control and performance parameters by two members of the review team. RESULTS Our search identified 47 published reports related to measuring environmental exposure biomarkers in human DBS samples. A total of 28 reports (37 total studies) were on methods development and validation and 19 reports were primarily the application of previously developed DBS assays. High-performing DBS methods have been developed, validated, and applied for detecting environmental exposures to tobacco smoke, trace elements, and several important endocrine-disrupting chemicals and persistent organic pollutants. Additional work is needed for measuring cadmium, arsenic, inorganic mercury, and bisphenol A in DBS and NDBS samples. SIGNIFICANCE We present an inventory and critical review of available assays for measuring environmental exposure biomarkers in DBS and NDBS samples to help facilitate this sampling medium as an emerging tool for public health (e.g., screening programs, temporal biomonitoring) and environmental epidemiology (e.g., field-based studies).
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Affiliation(s)
- Tyler A Jacobson
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jasdeep S Kler
- University of Michigan Medical School, Ann Arbor, MI, USA
| | - Yeunook Bae
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jiexi Chen
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Daniel T Ladror
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Ramsunder Iyer
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Denise A Nunes
- Galter Health Sciences Library, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Nathan D Montgomery
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Joachim D Pleil
- Department of Environmental Sciences and Engineering, Gillings School of Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - William E Funk
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
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8
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Mainero Rocca L, L'Episcopo N, Gordiani A, Staderini A. Direct multiclass desorption electrospray ionization-tandem mass spectrometry method for the analysis of sleep inducers and ototoxic drugs in dried blood spots. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2022; 36:e9265. [PMID: 35128730 DOI: 10.1002/rcm.9265] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 02/01/2022] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
RATIONALE An unconventional and innovative approach for the quantitative determination of 11 ototoxic and narcoleptic drugs in whole blood is described. The multiclass method allows the inclusion of the most widespread drugs on the market (antihistamines, antidepressants, antihypertensives, anxiolytics, opioids, Z-drugs) responsible for 10% of occupational accidents. METHODS The developed procedure involved the use of the desorption electrospray ionization (DESI) interface for the direct analysis of dried blood spots (DBS). All the issues strictly connected to the chemical-physical characteristics of DBS and DESI (sample inhomogeneity, DBS support, DESI geometry and solvent) were carefully evaluated and innovative strategies were applied. Haematocrit was managed using a small and measured volume of blood (2 μL) with analysis of the entire DBS. RESULTS The proposed method was fully validated in terms of limits of detection, limits of quantitation (LOQs; between 60 pg/mm2 and 1.6 ng/mm2 ), linearity (one order of magnitude starting from LOQs) and inter- and intra-day precision (on three levels, with relative standard deviation values not exceeding 17%). Accuracy was calculated by comparison with an ultrahigh-performance liquid chromatography-tandem mass spectrometry method (suitable also as a confirmatory method). CONCLUSIONS Results showed a surprising sensitivity, demonstrating that this procedure could be suitable for applications in various fields, e.g. forensic analysis. Moreover, as a collateral benefit, it was discovered that the method is able to analyse very light traces left on plastic and glass surfaces by detached dried blood.
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Affiliation(s)
- Lucia Mainero Rocca
- Chemical Agents Laboratory, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Italian Workers' Compensation Authority (INAIL), Monte Porzio Catone, Rome, Italy
| | - Nunziata L'Episcopo
- Chemical Agents Laboratory, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Italian Workers' Compensation Authority (INAIL), Monte Porzio Catone, Rome, Italy
| | - Andrea Gordiani
- Chemical Agents Laboratory, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Italian Workers' Compensation Authority (INAIL), Monte Porzio Catone, Rome, Italy
| | - Alessandro Staderini
- Chemical Agents Laboratory, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Italian Workers' Compensation Authority (INAIL), Monte Porzio Catone, Rome, Italy
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9
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Ishii H, Leung GNW, Yamashita S, Nagata SI, Kushiro A, Sakai S, Toju K, Okada J, Kawasaki K, Kusano K, Kijima-Suda I. Identification of potential biomarkers in urine and plasma after consumption of tobacco product in horses. Drug Test Anal 2022; 14:902-914. [PMID: 35195357 DOI: 10.1002/dta.3242] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/07/2022] [Accepted: 02/15/2022] [Indexed: 11/06/2022]
Abstract
The use of nicotine stimulants in horses is generally banned in horse racing and equestrian sports-accidental consumption of tobacco products is one of the possible causes of nicotine exposure in horses. The authors recently reported a comprehensive metabolic study of nicotine in equines, differentiating between nicotine exposure and sample contamination by means of a nicotine biomarker trans-3'-hydroxycotinine. To identify potential biomarkers for the differentiation of genuine nicotine administration and consumption of tobacco products, tobacco leaves (equivalent to 250 mg of nicotine) were nasoesophageally administered to three thoroughbred mares. Quantification methods of anatabine in plasma and urine were newly developed and validated and successfully applied to post-administration samples. Previously reported simultaneous quantification methods of eight target analytes including nicotine and its metabolites in plasma and urine were also applied to the samples. The results demonstrate that both trans-3'-hydroxycotinine and anatabine could be used as potential biomarkers in equine urine and plasma to indicate recent exposure to tobacco products in horses. As well, trans-3'-hydroxycotinine had the longest half-life as a detectable metabolite in urine and plasma. To our knowledge, this is the first report of a comprehensive study of tobacco product detection in horses.
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Affiliation(s)
- Hideaki Ishii
- Drug Analysis Department, Laboratory of Racing Chemistry, Tochigi, Japan.,Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Miyagi, Japan
| | - Gary Ngai-Wa Leung
- Drug Analysis Department, Laboratory of Racing Chemistry, Tochigi, Japan
| | - Shozo Yamashita
- Drug Analysis Department, Laboratory of Racing Chemistry, Tochigi, Japan
| | - Shun-Ichi Nagata
- Genetic Analysis Department, Laboratory of Racing Chemistry, Tochigi, Japan
| | - Asuka Kushiro
- Equine Research Institute, Research Planning & Coordination Division, JRA, Tochigi, Japan
| | - Satoshi Sakai
- Race Horse Hospital, Miho Training Center, JRA, Ibaraki, Japan
| | - Kota Toju
- Race Horse Hospital, Miho Training Center, JRA, Ibaraki, Japan
| | - Jun Okada
- Veterinarian Section, Equine Department, JRA, Tokyo, Japan
| | | | - Kanichi Kusano
- Race Horse Hospital, Ritto Training Center, JRA, Ritto, Shiga, Japan
| | - Isao Kijima-Suda
- Drug Analysis Department, Laboratory of Racing Chemistry, Tochigi, Japan
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10
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Jin S, Pang W, Zhao L, Zhao Z, Mei S. Review of HPLC-MS methods for the analysis of nicotine and its active metabolite cotinine in various biological matrices. Biomed Chromatogr 2022; 36:e5351. [PMID: 35106788 DOI: 10.1002/bmc.5351] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 11/23/2021] [Accepted: 12/20/2021] [Indexed: 11/11/2022]
Abstract
In recent years, tobacco smoking is a risk factor for a series of diseases including cardiovascular diseases, cerebrovascular diseases, and cancers. Nicotine, the primary component of tobacco smoke, is mainly transformed to its active metabolite cotinine, which is often used as biomarker for tobacco exposure for its higher blood concentration and longer residence time than nicotine. Various analytical methods have been developed for the determination of nicotine and cotinine in biological matrices. This article reviewed the HPLC-MS based methods for nicotine and/or cotinine analysis in various biological matrices. The sample preparation, mass and chromatographic conditions and method validation results of these methods have been summarized and analyzed. Sample was mainly pretreated by protein precipitation and/or extraction. Separation was achieved using methanol and/or acetonitrile:water (with or without ammonium acetate) on C18 columns, and acetonitrile:water (with formic acid, ammonium acetate/formate) on HILIC columns. Nicotine-d3, nicotine-d4 and cotinine-d3 were commonly used internal standards. Other non-deuterated IS were also used such as ritonavir, N-ethylnorcotinine, and milrinone. For both nicotine and cotinine, the calibration range was 0.005-35000 ng/mL, the matrix effect was 75.96% - 126.8% and the recovery was 53% - 124.5%. The two analytes were stable at room temperature for 1-10 days, at -80 °C for up to 6 months, and after 3-6 freeze-thaw cycles. Comedications did not affect nicotine and cotinine analysis.
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Affiliation(s)
- Siyao Jin
- Clinical Research Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, P. R. China.,Department of Clinical Pharmacology, College of Pharmaceutical Sciences, Capital Medical University, Beijing, P. R. China
| | - Wenyuan Pang
- Department of Clinical Pharmacology, College of Pharmaceutical Sciences, Capital Medical University, Beijing, P. R. China.,Department of Pharmacy, Beijing Tiantan Hospital, Capital Medical University, Beijing, P. R. China
| | - Libo Zhao
- Clinical Research Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, P. R. China.,Department of Clinical Pharmacology, College of Pharmaceutical Sciences, Capital Medical University, Beijing, P. R. China
| | - Zhigang Zhao
- Department of Clinical Pharmacology, College of Pharmaceutical Sciences, Capital Medical University, Beijing, P. R. China
| | - Shenghui Mei
- Department of Clinical Pharmacology, College of Pharmaceutical Sciences, Capital Medical University, Beijing, P. R. China
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11
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Jing J, Shan Y, Liu Z, Yan H, Xiang P, Chen P, Xu X. Automated online dried blood spot sample preparation and detection of anabolic steroid esters for sports drug testing. Drug Test Anal 2022; 14:1040-1052. [DOI: 10.1002/dta.3226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 12/27/2021] [Accepted: 01/13/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Jing Jing
- Shanghai Anti‐doping Laboratory Shanghai University of Sport Shanghai China
| | - Yuanhong Shan
- Shanghai Anti‐doping Laboratory Shanghai University of Sport Shanghai China
| | - Zhao Liu
- Chromatography Mass Spectrometry Department, Thermo Fisher Scientific Shanghai China
| | - Hui Yan
- Department of Forensic Toxicology Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine Shanghai China
| | - Ping Xiang
- Department of Forensic Toxicology Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine Shanghai China
| | - Peijie Chen
- Shanghai Anti‐doping Laboratory Shanghai University of Sport Shanghai China
| | - Xin Xu
- Shanghai Anti‐doping Laboratory Shanghai University of Sport Shanghai China
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12
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Tao XY, Zhang Y, Zhou Y, Liu ZF, Feng XS. Nicotine in Complex Samples: Recent Updates on the Pretreatment and Analysis Method. Crit Rev Anal Chem 2021; 53:1209-1238. [PMID: 34955065 DOI: 10.1080/10408347.2021.2016365] [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] [Indexed: 08/24/2023]
Abstract
Nicotine is a significant evaluation index of tobacco and its related products' quality, but nicotine overdose can pose serious health hazards and cause addiction and dependence, thus it can be seen that it is necessary to find suitable and efficient detection methods to precisely detect nicotine in diverse samples and complex matrices. In this review, an updated summary of the latest trends in pretreatment and analytical techniques for nicotine is provided. We reviewed various sample pretreatment methods, such as solid phase extraction, solid phase microextraction, liquid phase microextraction, QuEChERS, etc., and diverse nicotine assay methods including liquid chromatography, gas chromatography, electrochemical sensors, etc., focusing on the developments since 2015. Furthermore, the recent progress in the applications and applicability of these techniques as well as our prospects for future developments are discussed.HighlightsUpdated pretreatment and analysis methods of nicotine were systematically summarized.Microextraction and automation were main development trends of nicotine pretreatment.The introduction of novel materials added luster to nicotine pretreatment.The evolutions of ion source and mass analyzer were emphasized.
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Affiliation(s)
- Xin-Yue Tao
- School of Pharmacy, China Medical University, Shenyang, China
- Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Yuan Zhang
- School of Pharmacy, China Medical University, Shenyang, China
| | - Yu Zhou
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhi-Fei Liu
- School of Pharmacy, China Medical University, Shenyang, China
| | - Xue-Song Feng
- School of Pharmacy, China Medical University, Shenyang, China
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13
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Abstract
Metabolite profiling is an indispensable part of drug discovery and development, enabling a comprehensive understanding of the drug's metabolic behavior. Liquid chromatography-mass spectrometry facilitates metabolite profiling by reducing sample complexity and providing high sensitivity. This review discusses the in vivo metabolite profiling involving LC-MS/MS and the utilization of QTOF, QQQ mass analyzers with a particular emphasis on a mass filter. Further, a summary of sample extraction procedures in biological matrices such as plasma, urine, feces, serum and hair as in vivo samples are outlined. toward the end, we present 15 case studies in biological matrices and their LC-MS/MS conditions to understand the metabolic disposition.
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14
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Abstract
A series of dried blood spot (DBS) detection methods for doping agents have been developed in the last two decades. The DBS technique minimizes invasiveness and reduces storage and shipping costs. Recently, the World Anti-Doping Agency announced the use of DBS for the 2022 Beijing Winter Olympic Games and Paralympic Games owing to the advantages of the DBS application in routine doping control. Therefore the further development of detection methods for doping agents in DBS is important and urgent. This review summarizes five aspects of DBS application in doping analysis: sample collection, storage conditions, pretreatment, instrumentation and validation according to the Prohibited List issued by the World Anti-Doping Agency, and proposes some suggestions for future studies of DBS in doping analysis.
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15
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Mainero Rocca L, L’Episcopo N, Gordiani A, Vitali M, Staderini A. A 'Dilute and Shoot' Liquid Chromatography-Mass Spectrometry Method for Multiclass Drug Analysis in Pre-Cut Dried Blood Spots. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:3068. [PMID: 33809736 PMCID: PMC8002310 DOI: 10.3390/ijerph18063068] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/12/2021] [Accepted: 03/13/2021] [Indexed: 01/26/2023]
Abstract
Drugs able to affect the auditory and nervous systems and consumed by workers to treatdifferent pathologies can represent a possible source of risk in the work environment. All the target compounds involved in the presented project show ototoxic and/or narcoleptic side effects and, for these reasons, occupational safety organizations have recognized them as potential causes of work injuries. A multiclass method for the analysis of 15 drugs among the most widespread worldwide (belonging to nine different classes including antihistamines, beta-blockers, antidepressants, Z-drugs and opioids), was developed and validated. This study describes a rapid, sensitive and effective method to analyse these substances in whole blood using tailored pre-cut dried blood spots. Detection was achieved with a triple quadrupole mass spectrometer after an easy and simple 'dilute and shoot' solubilisation followed by an UPLC separation. All the issues linked to the use of the dried blood spots and whole blood, such as haematocrit variability, volumetric evaluation and sample carrier choice were carefully studied and managed during method development. From the validation study results it emerged that this approach can be deemed successful thanks to its few pg µL-1 LOQs, good linear intervals, absolute recoveries of no less than 75%, an almost negligible matrix effect and accuracy and precision in line with the European and American guidelines for validation. All the obtained goals have been specifically pursued in order to encourage method diffusion as a primary prevention intervention, even in small private workplaces.
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Affiliation(s)
- Lucia Mainero Rocca
- Chemical Agents Laboratory, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Italian Workers’ Compensation Authority (INAIL)—, Via Fontana Candida 1, Monte Porzio Catone, 00078 Rome, Italy; (N.L.); (A.G.); (A.S.)
| | - Nunziata L’Episcopo
- Chemical Agents Laboratory, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Italian Workers’ Compensation Authority (INAIL)—, Via Fontana Candida 1, Monte Porzio Catone, 00078 Rome, Italy; (N.L.); (A.G.); (A.S.)
| | - Andrea Gordiani
- Chemical Agents Laboratory, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Italian Workers’ Compensation Authority (INAIL)—, Via Fontana Candida 1, Monte Porzio Catone, 00078 Rome, Italy; (N.L.); (A.G.); (A.S.)
| | - Matteo Vitali
- Department of Public Health and Infectious Diseases, University of Rome La Sapienza, P.le Aldo Moro, 5, 00185 Rome, Italy;
| | - Alessandro Staderini
- Chemical Agents Laboratory, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Italian Workers’ Compensation Authority (INAIL)—, Via Fontana Candida 1, Monte Porzio Catone, 00078 Rome, Italy; (N.L.); (A.G.); (A.S.)
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16
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Habibagahi A, Siddique S, Harris SA, Alderman N, Aranda-Rodriguez R, Farhat I, Chevrier J, Kubwabo C. Challenges associated with quantification of selected urinary biomarkers of exposure to tobacco products. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1162:122490. [PMID: 33360416 DOI: 10.1016/j.jchromb.2020.122490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 11/28/2022]
Abstract
Tobacco use, of which cigarette smoking is the most common, is a global health concern and is directly linked to over 7 million premature deaths annually. Measurement of the levels of tobacco-related biomarkers in biological matrices reflects human exposure to the chemicals in tobacco products. Nicotine, nicotine metabolites, anatabine, and anabasine are specific to tobacco and nicotine containing products. However, as nicotine and its metabolites are ubiquitous in the environment, background contamination during sample preparation can occur, making the quantification of target analytes challenging. The main purpose of the present study was to examine quality control measures needed in the determination of urinary nicotine, nicotine metabolites, anatabine, and anabasine. Urine samples (n = 75) and NIST standard reference materials SRM 3671 and SRM 3672 were analysed. A one-step extraction procedure using cold acetone was used in this study, which involved no additional clean up. The blank matrices investigated included synthetic urine prepared with HPLC-grade water, synthetic urine prepared with Milli-Q water, and bovine urine. By adopting strategies for minimizing the background levels, very low detection limits for all the target analytes ranging from 0.025 ng/mL for 3-hydroxycotinine to 0.634 ng/mL for nicotine, were achieved. Recoveries ranged between 67% and 118% with RSD values below 20%. Intra-day and inter-day precisions were in the range of 1.1-11.7% and 4.8-25.2%, respectively. The levels of all target analytes were higher in daily smokers than in non-smokers, with the largest difference observed for 3-hydroxycotinine. No difference was observed in the levels of target analytes between individuals who were former smokers, who never smoked or who were exposed to environmental tobacco smoke (ETS), except for total nicotine equivalents (TNE), which was significantly higher in non-smokers exposed to environmental tobacco smoke compared with study participants who never smoked. The results obtained from SRM 3671 and SRM 3672 could inform a potential certification of additional biomarkers of exposure to tobacco products in those standard reference materials.
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Affiliation(s)
- Arezoo Habibagahi
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Shabana Siddique
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Shelley A Harris
- Department of Epidemiology & Department of Occupational and Environmental Health, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Nicholas Alderman
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada; Present address: Analysis and Air Quality Division, Environment and Climate Change Canada, Ottawa, ON, Canada
| | - Rocio Aranda-Rodriguez
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Imen Farhat
- Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, Montreal, QC, Canada
| | - Jonathan Chevrier
- Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, Montreal, QC, Canada
| | - Cariton Kubwabo
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada.
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17
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A review of recent advances in microsampling techniques of biological fluids for therapeutic drug monitoring. J Chromatogr A 2020; 1635:461731. [PMID: 33285415 DOI: 10.1016/j.chroma.2020.461731] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/09/2020] [Accepted: 11/12/2020] [Indexed: 12/12/2022]
Abstract
Conventional sampling of biological fluids often involves a bulk quantity of samples that are tedious to collect, deliver and process. Miniaturized sampling approaches have emerged as promising tools for sample collection due to numerous advantages such as minute sample size, patient friendliness and ease of shipment. This article reviews the applications and advances of microsampling techniques in therapeutic drug monitoring (TDM), covering the period January 2015 - August 2020. As whole blood is the gold standard sampling matrix for TDM, this article comprehensively highlights the most historical microsampling technique, the dried blood spot (DBS), and its development. Advanced developments of DBS, ranging from various automation DBS, paper spray mass spectrometry (PS-MS), 3D dried blood spheroids and volumetric absorptive paper disc (VAPD) and mini-disc (VAPDmini) are discussed. The volumetric absorptive microsampling (VAMS) approach, which overcomes the hematocrit effect associated with the DBS sample, has been employed in recent TDM. The sample collection and sample preparation details in DBS and VAMS are outlined and summarized. This review also delineates the involvement of other biological fluids (plasma, urine, breast milk and saliva) and their miniaturized dried matrix forms in TDM. Specific features and challenges of each microsampling technique are identified and comparison studies are reviewed.
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18
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Habler K, Paal M, Vogeser M. Isotope dilution-LC-MS/MS method for quantification of the urinary cotinine-to-creatinine ratio. Clin Chem Lab Med 2020; 58:1469-1476. [PMID: 32229659 DOI: 10.1515/cclm-2020-0177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 02/28/2020] [Indexed: 11/15/2022]
Abstract
Background Appropriate monitoring of tobacco smoking is extremely important in several areas of medicine, e.g. management of chronic obstructive pulmonary disease (COPD), epidemiological surveys, and allocation of heart or lung transplants. The major metabolite of nicotine is cotinine that is increasingly used as a laboratory parameter for assessing tobacco smoke exposure. Methods Creatinine and cotinine were analyzed simultaneously in urine by ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) in one run within 3 min using a biphenyl column. For quantification, the respective stable-isotope-labeled standards were used. Results Detuning and measuring a natural isotope of creatinine as precursor and product ion allowed a simultaneous quantification of creatinine and cotinine. The method revealed robust validation results. For both analytes, inaccuracy and imprecision of the quality control and external quality assessment (EQA) samples were ≤-11.1%. Conclusions One essential novelty of the method presented here is the simultaneous quantification of creatinine and cotinine covered by one analytical method. Despite the very different natural concentrations of creatinine and cotinine, this allows the immediate reporting of the cotinine-to-creatinine ratio without the need for a separate creatinine analysis.
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Affiliation(s)
- Katharina Habler
- Institute of Laboratory Medicine, Hospital of the University of Munich (LMU), Munich, Germany
| | - Michael Paal
- Institute of Laboratory Medicine, Hospital of the University of Munich (LMU), Munich, Germany
| | - Michael Vogeser
- Institute of Laboratory Medicine, Hospital of the University of Munich (LMU), Munich, Germany
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19
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Lange T, Thomas A, Walpurgis K, Thevis M. Fully automated dried blood spot sample preparation enables the detection of lower molecular mass peptide and non-peptide doping agents by means of LC-HRMS. Anal Bioanal Chem 2020; 412:3765-3777. [PMID: 32300840 PMCID: PMC7220872 DOI: 10.1007/s00216-020-02634-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/26/2020] [Accepted: 03/31/2020] [Indexed: 12/19/2022]
Abstract
The added value of dried blood spot (DBS) samples complementing the information obtained from commonly routine doping control matrices is continuously increasing in sports drug testing. In this project, a robotic-assisted non-destructive hematocrit measurement from dried blood spots by near-infrared spectroscopy followed by a fully automated sample preparation including strong cation exchange solid-phase extraction and evaporation enabled the detection of 46 lower molecular mass (< 2 kDa) peptide and non-peptide drugs and drug candidates by means of LC-HRMS. The target analytes included, amongst others, agonists of the gonadotropin-releasing hormone receptor, the ghrelin receptor, the human growth hormone receptor, and the antidiuretic hormone receptor. Furthermore, several glycine derivatives of growth hormone–releasing peptides (GHRPs), arguably designed to undermine current anti-doping testing approaches, were implemented to the presented detection method. The initial testing assay was validated according to the World Anti-Doping Agency guidelines with estimated LODs between 0.5 and 20 ng/mL. As a proof of concept, authentic post-administration specimens containing GHRP-2 and GHRP-6 were successfully analyzed. Furthermore, DBS obtained from a sampling device operating with microneedles for blood collection from the upper arm were analyzed and the matrix was cross-validated for selected parameters. The introduction of the hematocrit measurement method can be of great value for doping analysis as it allows for quantitative DBS applications by managing the well-recognized “hematocrit effect.” Graphical abstract ![]()
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Affiliation(s)
- Tobias Lange
- Center for Preventive Doping Research - Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Cologne, Germany
| | - Andreas Thomas
- Center for Preventive Doping Research - Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Cologne, Germany
| | - Katja Walpurgis
- Center for Preventive Doping Research - Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Cologne, Germany
| | - Mario Thevis
- Center for Preventive Doping Research - Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Cologne, Germany.
- European Monitoring Center for Emerging Doping Agents (EuMoCEDA), Cologne/Bonn, Germany.
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20
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Thevis M, Kuuranne T, Dib J, Thomas A, Geyer H. Do dried blood spots (DBS) have the potential to support result management processes in routine sports drug testing? Drug Test Anal 2020; 12:704-710. [PMID: 32180361 DOI: 10.1002/dta.2790] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 03/10/2020] [Accepted: 03/10/2020] [Indexed: 12/17/2022]
Abstract
Dried blood spots (DBS) have been considered as complementary matrix in sports drug testing for many years. Especially concerning substances prohibited in-competition only, the added value of DBS collected concomitantly with routine doping control urine samples has been debated, and an increasing potential of DBS has been discussed in the scientific literature. To which extent and under which prerequisites DBS can contribute to enhanced anti-doping efforts is currently evaluated. As a proof-of-principle, two analytical applications, one targeting cocaine/benzoyl ecgonine and the other prednisone/prednisolone, are presented in this perspective to indicate potential added value but also presently existing limitations of the DBS approach.
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Affiliation(s)
- Mario Thevis
- Center for Preventive Doping Research - Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Cologne, Germany.,European Monitoring Center for Emerging Doping Agents, Cologne, Germany
| | - Tiia Kuuranne
- Swiss Laboratory for Doping Analyses, University Center of Legal Medicine, Genève and Lausanne, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Epalinges, Switzerland
| | - Josef Dib
- Center for Preventive Doping Research - Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Cologne, Germany
| | - Andreas Thomas
- Center for Preventive Doping Research - Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Cologne, Germany
| | - Hans Geyer
- Center for Preventive Doping Research - Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Cologne, Germany.,European Monitoring Center for Emerging Doping Agents, Cologne, Germany
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21
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Duthaler U, Berger B, Erb S, Battegay M, Letang E, Gaugler S, Natamatungiro A, Mnzava D, Donzelli M, Krähenbühl S, Haschke M. Using dried blood spots to facilitate therapeutic drug monitoring of antiretroviral drugs in resource-poor regions. J Antimicrob Chemother 2019; 73:2729-2737. [PMID: 30052975 DOI: 10.1093/jac/dky254] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 06/04/2018] [Indexed: 11/13/2022] Open
Abstract
Objectives We evaluated whether dried blood spots (DBS) are suitable to monitor combined ART when samples are collected in rural Tanzania and transported over a long distance to a specialized bioanalytical laboratory. Methods Plasma and DBS samples were collected in Tanzania from study patients treated with nevirapine, efavirenz or lopinavir. In addition, plasma, whole blood and DBS samples were obtained from a cohort of HIV patients at the site of the bioanalytical laboratory in Switzerland. DBS samples were analysed using a fully automated LC-MS/MS method. Results Comparison of DBS versus plasma concentrations of samples obtained from the bridging study in Switzerland indicated an acceptable bias only for nevirapine (18.4%), whereas for efavirenz and lopinavir a pronounced difference of -47.4% and -48.1% was found, respectively. Adjusting the DBS concentrations by the haematocrit and the fraction of drug bound to plasma proteins removed this bias [efavirenz +9.4% (-6.9% to +25.7%), lopinavir +2.2% (-20.0% to +24.2%)]. Storage and transportation of samples from Tanzania to Switzerland did not affect the good agreement between plasma and DBS for nevirapine [-2.9% (-34.7% to +29.0%)] and efavirenz [-9.6% (-42.9% to +23.8%)]. For lopinavir, however, adjusted DBS concentrations remained considerably below [-32.8% (-70.4% to +4.8%)] corresponding plasma concentrations due to decay of lopinavir in DBS obtained under field conditions. Conclusions Our field study shows that the DBS technique is a suitable tool for therapeutic drug monitoring in resource-poor regions; however, sample stability remains an issue for certain analytes and therefore needs special consideration.
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Affiliation(s)
- Urs Duthaler
- Division of Clinical Pharmacology & Toxicology, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Benjamin Berger
- Division of Clinical Pharmacology & Toxicology, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Stefan Erb
- Division of Infectious Diseases and Hospital Epidemiology, University and University Hospital Basel, Basel, Switzerland
| | - Manuel Battegay
- Division of Infectious Diseases and Hospital Epidemiology, University and University Hospital Basel, Basel, Switzerland
| | - Emili Letang
- Swiss Tropical and Public Health Institute, Basel, Switzerland.,ISGlobal, Barcelona Centre for International Health Research (CRESIB), Hospital Clinic, Universitat de Barcelona, Barcelona, Spain.,Ifakara Health Institute, Ifakara, Tanzania
| | | | | | | | - Massimiliano Donzelli
- Division of Clinical Pharmacology & Toxicology, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Stephan Krähenbühl
- Division of Clinical Pharmacology & Toxicology, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Manuel Haschke
- Clinical Pharmacology and Toxicology, Department of General Internal Medicine, Inselspital, University Hospital, Bern, Switzerland.,Institute of Pharmacology, University of Bern, Bern, Switzerland
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22
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Development of two complementary LC–HRMS methods for analyzing sotatercept in dried blood spots for doping controls. Bioanalysis 2019; 11:923-940. [DOI: 10.4155/bio-2018-0313] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Aim: sotatercept is a therapeutic Fc-fusion protein with erythropoiesis-stimulating activity. Due to a potential abuse of the drug by athletes in professional sports, a sensitive detection method is required. In sports drug testing, alternative matrices such as dried blood spots (DBS) are gaining increasing attention as they can provide several advantages over conventional matrices. Materials & methods: Herein, two complementary LC–high-resolution mass spectrometry (HRMS) detection methods for sotatercept from DBS, an initial testing procedure (ITP) and a confirmation procedure (CP) were developed and validated for the first time. Both methods comprise an ultrasonication-assisted extraction, affinity enrichment, proteolytic digestion and HRMS detection. Results & conclusion: For the multianalyte ITP, artificial samples fortified with sotatercept, luspatercept and bimagrumab, and authentic specimens containing bimagrumab were successfully analyzed as proof-of-concept. The validated detection methods for sotatercept are fit for purpose and the ITP was shown to be suitable for the detection of novel IgG-based pharmaceuticals in doping control DBS samples.
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23
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Liquid chromatography-high resolution mass spectrometry for broad-spectrum drug screening of dried blood spot as microsampling procedure. Anal Chim Acta 2019; 1063:110-116. [PMID: 30967174 DOI: 10.1016/j.aca.2019.02.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/28/2019] [Accepted: 02/04/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND Hyphenation of liquid chromatography (LC) with high-resolution mass spectrometry (HRMS) offers the potential to develop broad-spectrum screening procedures from low volumes of biological matrices. In parallel, dried blood spot (DBS) has become a valuable tool in the bioanalysis landscape to overcome conventional blood collection issues. Herein, we demonstrated the applicability of DBS as micro-sampling procedure for broad-spectrum toxicological screening. METHODS A method was developed on a HRMS system in data dependant acquisition (DDA) mode using an extensive inclusion list to promote collection of relevant data. 104 real toxicology cases were analysed, and the results were cross-validated with one published and one commercial screening procedures. Quantitative MRM analyses were also performed on identified substances on a triple quadrupole instrument as a complementary confirmation procedure. RESULTS The method showed limits of identification (LOIs) in appropriateness with therapeutic ranges for all the classes of interest. Applying the three screening approaches on 104 real cases, 271 identifications were performed including 14 and 6 classes of prescribed and illicit drugs, respectively. Among the detected substances, 23% were only detected by the proposed method. Based on confirmatory analyses, we demonstrated that the use of blood micro-samples did not impair the sensitivity allowing more identifications in the low concentration ranges. CONCLUSION A LC-HRMS assay was successfully developed for toxicological screening of blood microsamples demonstrating a high identification power at low concentration ranges. The validation procedure and the analysis of real cases demonstrated the potential of this assay by supplementing screening approaches of reference.
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24
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Abstract
The sample preparation is the most critical step involved in the bioanalytical process. When dealing with green analytical chemistry, sample preparation can be even more challenging. To fit the green analytical chemistry principles, efforts should be made toward the elimination or reduction of the use of toxic reagents and solvents, minimization of energy consumption and increased operator safety. The simplest sample preparations are more appropriate for liquid biological matrices with little interfering compounds such as urine, plasma and oral fluid. The same does not usually occur with complex matrices that require more laborious procedures. The present review discusses green analytical approaches for the analyses of drugs of abuse in complex biological matrices, such as whole blood, breast milk, meconium and hair.
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25
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Liang Y, Zhou T. Recent advances of online coupling of sample preparation techniques with ultra high performance liquid chromatography and supercritical fluid chromatography. J Sep Sci 2018; 42:226-242. [PMID: 30136406 DOI: 10.1002/jssc.201800721] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 08/02/2018] [Accepted: 08/04/2018] [Indexed: 12/12/2022]
Abstract
Ultra high performance liquid chromatography and supercritical fluid chromatography techniques are favored because of their high efficiency and fast analysis speed. Although many sample preparation techniques have been coupled with common liquid chromatography online, the online coupling of sample preparation with the two popular chromatography techniques have gained increasing attention owing to the increasing requirements of efficiency and sensitivity. In this review, we have discussed and summarized the recent advances of the online coupling of sample preparation with ultra high performance liquid chromatography and supercritical fluid chromatography techniques. The main sample preparation techniques that have been coupled with ultra high performance liquid chromatography online are solid-phase extraction and in-tube solid-phase microextraction, while solid-phase extraction and supercritical fluid extraction are the main techniques that have been coupled with supercritical fluid chromatography online. Especially, the strategies for online coupling of sample preparation with chromatography techniques were summarized. Typical applications and growing trends of the online coupling techniques were also discussed in detail. With the increasing demands of improving the efficiency, throughput, and analytical capability toward complex samples of the analysis methods, online coupling of sample preparation with chromatography techniques will acquire further development.
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Affiliation(s)
- Yanshan Liang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, P. R. China
| | - Ting Zhou
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, P. R. China
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Alexovič M, Dotsikas Y, Bober P, Sabo J. Achievements in robotic automation of solvent extraction and related approaches for bioanalysis of pharmaceuticals. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1092:402-421. [DOI: 10.1016/j.jchromb.2018.06.037] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 06/11/2018] [Accepted: 06/17/2018] [Indexed: 12/27/2022]
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Dib J, Tretzel L, Piper T, Lagojda A, Kuehne D, Schänzer W, Thevis M. Screening for adiponectin receptor agonists and their metabolites in urine and dried blood spots. CLINICAL MASS SPECTROMETRY (DEL MAR, CALIF.) 2017; 6:13-20. [PMID: 39193415 PMCID: PMC11322760 DOI: 10.1016/j.clinms.2017.10.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/27/2017] [Accepted: 10/27/2017] [Indexed: 01/19/2023]
Abstract
AdipoRon and 112254 represent two known synthetic adiponectin receptor (adipoR) agonists. Although AdipoRon is the more potent compound, both have physiological properties that are similar to adiponectin - an adipokine with antidiabetic and antiatherogenic effects. Several transcriptional regulators are activated by adipoR-agonists leading to increased mitochondrial DNA content in vitro, an effect that can be abused by athletes for performance enhancing purposes. In the context of preventive anti-doping research, detection of AdipoRon and 112254 in routine doping control specimens would be valuable. Here, we describe our process for incorporating AdipoRon and 112254 into routine doping control methods involving urine and dried blood spot (DBS) analysis. Method validation including evaluation of specificity, limit of detection, identification capability, carryover, matrix interference, recovery, interday and intraday precision and linearity to standards provided by WADA. For identification in human urine, a liquid chromatography-tandem mass spectrometry-based testing approach was implemented for both adipoR agonists and two respective phase-I metabolites. Recovery of 85-104%, satisfactory limits of detection (i.e., 0.5-1 ng/mL), and imprecision values over three days at three concentration levels of <19% demonstrated the assay's fitness-for-purpose. For identification from DBS a liquid chromatography-high-resolution/high-accuracy tandem mass spectrometry with online solid-phase extraction was implemented for AdipoRon and 112254. Here also, acceptable recoveries (i.e., 22-33%), limits of detection of 5-10 ng/mL, and imprecision values over three days at three concentration levels of <23%, were demonstrated. Hence, two methods for doping control screening from urine and DBS were established and shown to be fit-for-purpose for routine use.
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Affiliation(s)
- Josef Dib
- Center for Preventive Doping Research – Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany
| | - Laura Tretzel
- Center for Preventive Doping Research – Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany
| | - Thomas Piper
- Center for Preventive Doping Research – Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany
| | - Andreas Lagojda
- Bayer AG, Crop Science Division, Alfred-Nobel-Str. 50, 40789 Monheim, Germany
| | - Dirk Kuehne
- Bayer AG, Crop Science Division, Alfred-Nobel-Str. 50, 40789 Monheim, Germany
| | - Wilhelm Schänzer
- Center for Preventive Doping Research – Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany
| | - Mario Thevis
- Center for Preventive Doping Research – Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany
- European Monitoring Center for Emerging Doping Agents (EuMoCEDA), Cologne/Bonn, Germany
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Kaisar MA, Kallem RR, Sajja RK, Sifat AE, Cucullo L. A convenient UHPLC-MS/MS method for routine monitoring of plasma and brain levels of nicotine and cotinine as a tool to validate newly developed preclinical smoking model in mouse. BMC Neurosci 2017; 18:71. [PMID: 29020944 PMCID: PMC5637319 DOI: 10.1186/s12868-017-0389-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 10/05/2017] [Indexed: 12/29/2022] Open
Abstract
Background A sensitive, rapid and selective UHPLC–MS/MS method has been developed and validated for the quantification of Nicotine (NT) and Cotinine (CN) using Continine-d3 as internal standard (IS) as per FDA guidelines. Sample preparation involved simple protein precipitation of 20 µL mouse plasma or brain homogenate using acetonitrile at 1:8 ratio. Mass Spectrometer was operated in positive polarity under the multiple reaction-monitoring mode using electro spray ionization technique and the transitions of m/z 163.2 → 132.1, 177.2 → 98.0 and 180.2 → 101.2 were used to measure the NT, CN and IS, respectively. The elution of NT, CN and IS are at 1.89, 1.77 and 1.76 min, respectively. This was achieved with a gradient mobile phase consisting of 5 mM ammonium bicarbonate, acetonitrile and methanol (3:1, v/v) at a flow rate of 0.3 mL/min on a Kinetex EVO C18 column. The method was validated with a lower limit of quantitation 3.0 ng/mL in mouse plasma and brain for both the analytes. Results A linear response function was established for the range of concentrations 3–200 (r > 0.995) for NT and 3–600 ng/mL (r > 0.995) for CN. The intra- and inter-day precision values met the acceptance criteria. NT and CN are stable in the battery of stability studies viz., stock solution, bench-top and auto-sampler. Conclusion This method was successfully utilized to validate a newly developed preclinical smoking model in mice.
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Affiliation(s)
- Mohammad A Kaisar
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 1300 S. Coulter Street, Amarillo, TX, 79106, USA
| | - Raja Reddy Kallem
- Office of Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX, 79106, USA
| | - Ravi K Sajja
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 1300 S. Coulter Street, Amarillo, TX, 79106, USA
| | - Ali Ehsan Sifat
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 1300 S. Coulter Street, Amarillo, TX, 79106, USA
| | - Luca Cucullo
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 1300 S. Coulter Street, Amarillo, TX, 79106, USA. .,Center for Blood Brain Barrier Research, Texas Tech University Health Sciences Center, Amarillo, TX, 79106, USA.
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Ladror D, Pitt B, Funk W. Quantification of cotinine in dried blood spots as a biomarker of exposure to tobacco smoke. Biomarkers 2017; 23:44-50. [PMID: 28862876 DOI: 10.1080/1354750x.2017.1375558] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVE We present an ultra-sensitive, minimally-invasive method for quantifying cotinine in dried blood spot (DBS) samples as a biomarker of exposure to tobacco smoke that can be collected using a simple heel or finger prick to obtain blood samples. METHODS Cotinine levels were measured in matched plasma and reconstituted DBS samples from smokers and nonsmokers to evaluate assay parameters. In addition, we applied this new method to finger-prick DBS samples that were collected from infants, children and young adults ages 1-21 to estimate exposure to tobacco smoke. Partitioning of cotinine across red blood cells and haematocrit effects were investigated. RESULTS Cotinine levels measured in matched plasma and reconstituted DBS samples from smokers and nonsmokers were found to be highly correlated (R2=0.94), with 100% sensitivity and 94% specificity to differentiate reported smokers from nonsmokers. With this method, the LOQ is <0.25 ng/mL using a single 3.2 mm punch of a DBS, and haematocrit effects are negligible. CONCLUSIONS This sensitive, high-throughput and minimally-invasive method for quantifying cotinine in DBS samples provides a simple and cost effective means for estimating exposure to tobacco smoke in population based studies, and has particular advantages in studies involving infants and children.
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Affiliation(s)
- Daniel Ladror
- a Department of Preventive Medicine, Feinberg School of Medicine , Northwestern University , Chicago , IL , USA
| | - Bruce Pitt
- b Department of Environmental and Occupational Health, Graduate School of Public Health , University of Pittsburgh , Pittsburgh , PA , USA
| | - William Funk
- a Department of Preventive Medicine, Feinberg School of Medicine , Northwestern University , Chicago , IL , USA
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Tascon M, Gómez-Ríos GA, Reyes-Garcés N, Poole J, Boyacı E, Pawliszyn J. High-Throughput Screening and Quantitation of Target Compounds in Biofluids by Coated Blade Spray-Mass Spectrometry. Anal Chem 2017; 89:8421-8428. [PMID: 28715206 DOI: 10.1021/acs.analchem.7b01877] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Most contemporary methods of screening and quantitating controlled substances and therapeutic drugs in biofluids typically require laborious, time-consuming, and expensive analytical workflows. In recent years, our group has worked toward developing microextraction (μe)-mass spectrometry (MS) technologies that merge all of the tedious steps of the classical methods into a simple, efficient, and low-cost methodology. Unquestionably, the automation of these technologies allows for faster sample throughput, greater reproducibility, and radically reduced analysis times. Coated blade spray (CBS) is a μe technology engineered for extracting/enriching analytes of interest in complex matrices, and it can be directly coupled with MS instruments to achieve efficient screening and quantitative analysis. In this study, we introduced CBS as a technology that can be arranged to perform either rapid diagnostics (single vial) or the high-throughput (96-well plate) analysis of biofluids. Furthermore, we demonstrate that performing 96-CBS extractions at the same time allows the total analysis time to be reduced to less than 55 s per sample. Aiming to validate the versatility of CBS, substances comprising a broad range of molecular weights, moieties, protein binding, and polarities were selected. Thus, the high-throughput (HT)-CBS technology was used for the concomitant quantitation of 18 compounds (mixture of anabolics, β-2 agonists, diuretics, stimulants, narcotics, and β-blockers) spiked in human urine and plasma samples. Excellent precision (∼2.5%), accuracy (≥90%), and linearity (R2 ≥ 0.99) were attained for all the studied compounds, and the limits of quantitation (LOQs) were within the range of 0.1 to 10 ng·mL-1 for plasma and 0.25 to 10 ng·mL-1 for urine. The results reported in this paper confirm CBS's great potential for achieving subsixty-second analyses of target compounds in a broad range of fields such as those related to clinical diagnosis, food, the environment, and forensics.
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Affiliation(s)
- Marcos Tascon
- Department of Chemistry, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada
| | | | - Nathaly Reyes-Garcés
- Department of Chemistry, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada
| | - Justen Poole
- Department of Chemistry, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada
| | - Ezel Boyacı
- Department of Chemistry, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada
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Lehner AF, Johnson M, Buchweitz J. Veterinary utility of dried blood spots for analysis of toxic chlorinated hydrocarbons. Toxicol Mech Methods 2017; 28:29-37. [DOI: 10.1080/15376516.2017.1354414] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Andreas F. Lehner
- Veterinary Diagnostic Laboratory, Toxicology Section, Michigan State University, East Lansing, MI, USA
| | - Margaret Johnson
- Veterinary Diagnostic Laboratory, Toxicology Section, Michigan State University, East Lansing, MI, USA
| | - John Buchweitz
- Veterinary Diagnostic Laboratory, Toxicology Section, Michigan State University, East Lansing, MI, USA
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA
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Ryona I, Henion J. A Book-Type Dried Plasma Spot Card for Automated Flow-Through Elution Coupled with Online SPE-LC-MS/MS Bioanalysis of Opioids and Stimulants in blood. Anal Chem 2016; 88:11229-11237. [DOI: 10.1021/acs.analchem.6b03691] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Imelda Ryona
- Q2 Solutions, 19 Brown Road, Ithaca, New
York 14850, United States
| | - Jack Henion
- Q2 Solutions, 19 Brown Road, Ithaca, New
York 14850, United States
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Loos G, Van Schepdael A, Cabooter D. Quantitative mass spectrometry methods for pharmaceutical analysis. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2016; 374:20150366. [PMID: 27644982 PMCID: PMC5031633 DOI: 10.1098/rsta.2015.0366] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/25/2016] [Indexed: 05/04/2023]
Abstract
Quantitative pharmaceutical analysis is nowadays frequently executed using mass spectrometry. Electrospray ionization coupled to a (hybrid) triple quadrupole mass spectrometer is generally used in combination with solid-phase extraction and liquid chromatography. Furthermore, isotopically labelled standards are often used to correct for ion suppression. The challenges in producing sensitive but reliable quantitative data depend on the instrumentation, sample preparation and hyphenated techniques. In this contribution, different approaches to enhance the ionization efficiencies using modified source geometries and improved ion guidance are provided. Furthermore, possibilities to minimize, assess and correct for matrix interferences caused by co-eluting substances are described. With the focus on pharmaceuticals in the environment and bioanalysis, different separation techniques, trends in liquid chromatography and sample preparation methods to minimize matrix effects and increase sensitivity are discussed. Although highly sensitive methods are generally aimed for to provide automated multi-residue analysis, (less sensitive) miniaturized set-ups have a great potential due to their ability for in-field usage.This article is part of the themed issue 'Quantitative mass spectrometry'.
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Affiliation(s)
- Glenn Loos
- KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Pharmaceutical Analysis, Herestraat 49, 3000 Leuven, Belgium
| | - Ann Van Schepdael
- KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Pharmaceutical Analysis, Herestraat 49, 3000 Leuven, Belgium
| | - Deirdre Cabooter
- KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Pharmaceutical Analysis, Herestraat 49, 3000 Leuven, Belgium
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Abu-Awwad A, Arafat T, Schmitz OJ. Simultaneous determination of nicotine, cotinine, and nicotine N-oxide in human plasma, semen, and sperm by LC-Orbitrap MS. Anal Bioanal Chem 2016; 408:6473-81. [PMID: 27422648 DOI: 10.1007/s00216-016-9766-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 06/22/2016] [Accepted: 07/04/2016] [Indexed: 02/07/2023]
Abstract
Nicotine (Nic) distribution in human fluids and tissues has a deleterious effect on human health. In addition to its poisoning profile, Nic may contribute to the particular impact of smoking on human reproduction. Although present in seminal fluid, still nobody knows whether nicotine is available in sperm or not. Herein, we developed and validated a new bioanalytical method, for simultaneous determination of Nic, cotinine (Cot), and nicotine N'-oxide (Nox) in human plasma, semen, and sperm by LC-ESI-orbitrap-MS. Blood and semen samples were collected from 12 healthy smoking volunteers in this study. Sperm bodies were then separated quantitatively from 1 mL of semen samples by centrifugation. The developed method was fully validated for plasma following European and American guidelines for bioanalytical method validation, and partial validation was applied to semen analysis. Plasma, semen, and sperm samples were treated by trichloroacetic acid solution for protein direct precipitation in single extraction step. The established calibration range for Nic and Nox in plasma and semen was linear between 5 and 250 ng/mL, and for Cot between 10 and 500 ng/mL. Nic and Cot were detected in human sperm at concentrations as high as in plasma. In addition, Nox was present in semen and sperm but not in plasma. Graphical abstract Nicotine correlation between plasma and semen a; Nicotine correlation between semen and sperm c; Cotinine correlation between plasma and semen b; Cotinine correlation between semen and sperm d.
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Affiliation(s)
- Ahmad Abu-Awwad
- Applied Analytical Chemistry, University of Duisburg-Essen, Universitaetsstr. 5, 45141, Essen, Germany
- Faculty of Pharmacy, University of Petra, 11196, Amman, Jordan
| | - Tawfiq Arafat
- Faculty of Pharmacy, University of Petra, 11196, Amman, Jordan
| | - Oliver J Schmitz
- Applied Analytical Chemistry, University of Duisburg-Essen, Universitaetsstr. 5, 45141, Essen, Germany.
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Verplaetse R, Henion J. Hematocrit-Independent Quantitation of Stimulants in Dried Blood Spots: Pipet versus Microfluidic-Based Volumetric Sampling Coupled with Automated Flow-Through Desorption and Online Solid Phase Extraction-LC-MS/MS Bioanalysis. Anal Chem 2016; 88:6789-96. [DOI: 10.1021/acs.analchem.6b01190] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Ruth Verplaetse
- Q2 Solutions, 19
Brown Road, Ithaca, New York 14850, United States
| | - Jack Henion
- Q2 Solutions, 19
Brown Road, Ithaca, New York 14850, United States
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