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Han Y, Li XL, Zhang M, Wang J, Zeng S, Min JZ. Potential use of a dried saliva spot (DSS) in therapeutic drug monitoring and disease diagnosis. J Pharm Anal 2022; 12:815-823. [PMID: 36605582 PMCID: PMC9805949 DOI: 10.1016/j.jpha.2021.11.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 10/28/2021] [Accepted: 11/03/2021] [Indexed: 01/07/2023] Open
Abstract
In recent years, scientific researchers have increasingly become interested in noninvasive sampling methods for therapeutic drug monitoring and disease diagnosis. As a result, dried saliva spot (DSS), which is a sampling technique for collecting dried saliva samples, has been widely used as an alternative matrix to serum for the detection of target molecules. Coupling the DSS method with a highly sensitive detection instrument improves the efficiency of the preparation and analysis of biological samples. Furthermore, dried blood spots, dried plasma spots, and dried matrix spots, which are similar to those of the DSS method, are discussed. Compared with alternative biological fluids used in dried spot methods, including serum, tears, urine, and plasma, saliva has the advantage of convenience in terms of sample collection from children or persons with disabilities. This review aims to provide integral strategies and guidelines for dried spot methods to analyze biological samples by illustrating several dried spot methods. Herein, we summarize recent advancements in DSS methods from June 2014 to March 2021 and discuss the advantages and disadvantages of the key aspects of this method, including sample preparation and method validation. Finally, we outline the challenges and prospects of such methods in practical applications.
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Affiliation(s)
- Yu Han
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Department of Pharmaceutical Analysis, College of Pharmacy, Yanbian University, Yanji, Jilin, 133002, China
| | - Xi-Ling Li
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Department of Pharmaceutical Analysis, College of Pharmacy, Yanbian University, Yanji, Jilin, 133002, China
| | - Minghui Zhang
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Department of Pharmaceutical Analysis, College of Pharmacy, Yanbian University, Yanji, Jilin, 133002, China
| | - Jing Wang
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Department of Pharmaceutical Analysis, College of Pharmacy, Yanbian University, Yanji, Jilin, 133002, China
| | - Su Zeng
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Corresponding author.
| | - Jun Zhe Min
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Department of Pharmaceutical Analysis, College of Pharmacy, Yanbian University, Yanji, Jilin, 133002, China
- Corresponding author.
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Laštovičková L, Kopčil M, Kanďár R. Dried blood spot as an alternative sample for screening of fatty acids, amino acids, and keto acids metabolism in humans. Biomed Chromatogr 2022; 36:e5431. [PMID: 35732590 DOI: 10.1002/bmc.5431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 06/15/2022] [Accepted: 06/20/2022] [Indexed: 11/07/2022]
Abstract
The dried blood spot is a simple and non-invasive sample collection technique allowing self-collection at home. It can be used as an alternative sample for the screening of metabolism in humans since changes in the levels of some fatty acids, amino acids, and keto acids can be associated with metabolic disorders (for example diabetes mellitus). In this study we optimized three different methods that are sensitive enough for the determination of above-mentioned analytes from a small volume of a biological material in dried blood spot. In total 20 amino acids, 5 keto acids, and 24 fatty acids were determined. This sample technique was applied to prepare samples from 60 individuals by a finger prick. Samples were analysed with chromatographic methods and acquired data were statistically evaluated. Even though most analytes were higher in men, only 5 amino acids, 3 keto acids and 8 fatty acids showed significant gender-dependency (α = 0.05). Asparagine, serine, α- and γ-linolenic acids showed significant age-dependency (α = 0.05). The most of statistically significant correlations were positive and were found within one category. This work shows that because of many benefits, the dried blood spot sample could be a good alternative to whole blood sample collection for the screening of metabolism in humans in general or in individualised medicine. The chromatographic methods can be used in the next research, for example to set reference range or plasma-correction factors (various aspects as age or gender should be considered).
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Affiliation(s)
- Lenka Laštovičková
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Pardubice, Czech Republic
| | - Michal Kopčil
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Pardubice, Czech Republic
| | - Roman Kanďár
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Pardubice, Czech Republic
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Ingle RG, Zeng S, Jiang H, Fang WJ. Current development of bioanalytical sample preparation techniques in pharmaceuticals. J Pharm Anal 2022; 12:517-529. [PMID: 36105159 PMCID: PMC9463481 DOI: 10.1016/j.jpha.2022.03.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 02/23/2022] [Accepted: 03/14/2022] [Indexed: 12/03/2022] Open
Abstract
Sample preparation is considered as the bottleneck step in bioanalysis because each biological matrix has its own unique challenges and complexity. Competent sample preparation to extract the desired analytes and remove redundant components is a crucial step in each bioanalytical approach. The matrix effect is a key hurdle in bioanalytical sample preparation, which has gained extensive consideration. Novel sample preparation techniques have advantages over classical techniques in terms of accuracy, automation, ease of sample preparation, storage, and shipment and have become increasingly popular over the past decade. Our objective is to provide a broad outline of current developments in various bioanalytical sample preparation techniques in chromatographic and spectroscopic examinations. In addition, how these techniques have gained considerable attention over the past decade in bioanalytical research is mentioned with preferred examples. Modern trends in bioanalytical sample preparation techniques, including sorbent-based microextraction techniques, are primarily emphasized. Bioanalytical sampling techniques are described with suitable applications in pharmaceuticals. The pros and cons of each bioanalytical sampling techniques are described. Relevant biological matrices are outlined.
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Dried matrix spots: an evolving trend in the toxicological field. Forensic Sci Med Pathol 2022; 18:86-102. [PMID: 35171452 DOI: 10.1007/s12024-021-00434-5] [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] [Accepted: 09/20/2021] [Indexed: 10/19/2022]
Abstract
Dried matrix spot (DMS) is a sampling technique, primarily used to analyze blood to diagnose metabolic diseases in newborns. As this technique has several advantages, DMS has started to be employed for other purposes using other biological matrices and increasingly in toxicology over the last decade. The aim of this work was to review the analytical methods using DMS which can be applied to drugs of abuse and which have been published since 2010. Three different databases were searched, using dried, spots, and drugs of abuse as the descriptors and using a snowball search. After applying the exclusion criteria, 39 papers remained. The most common publications were related to the use of blood, which corresponded to 77% of the papers, followed by urine and oral fluid, which corresponded to 13 and 10% of the papers, respectively. The selected studies covered different illicit drugs, sample sizes of 5 to 250 µL and spot sizes ranging from 3 to 18 mm in diameter. This review also examined the extraction techniques and the methods employed to analyze various biological matrices and drugs of abuse, mostly by liquid-extraction and liquid chromatography-tandem mass spectrometry. The benefits of DMS include: a simple sample pretreatment, better stability than liquid matrices, a simple extraction procedure, lower costs, and environmental benefits. DMS appears to be a promising technique in the field of toxicology and provides new perspectives for use in forensic laboratories.
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Almeida E, Soares S, Gonçalves J, Rosado T, Fernández N, Rodilla JM, Passarinha LA, Barroso M, Gallardo E. Stability of Cocaine, Opiates, and Metabolites in Dried Saliva Spots. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030641. [PMID: 35163906 PMCID: PMC8839019 DOI: 10.3390/molecules27030641] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/14/2022] [Accepted: 01/17/2022] [Indexed: 12/20/2022]
Abstract
Drug abuse still represents a global problem, and it is associated with an increased risk of diseases, injuries, and deaths. Cocaine (COC) and opiates are the most abused drugs and account for a significant number of fatalities. Therefore, it is important to develop methods capable of effectively identifying and quantifying these substances. The present study aims to evaluate the long-term stability of COC, ecgonine methylester (EME), benzoylecgonine (BEG), cocaethylene (COET), norcocaine (NCOC), morphine (MOR), codeine (COD) and 6-monoacetylmorphine (6-MAM) in oral fluid samples. The analytes of interest were isolated from the matrix (50 µL) using the dried saliva spots (DSS) sampling approach and were subsequently analyzed by gas chromatography coupled with tandem mass spectrometry (GC–MS/MS). The parameters that could influence the stability of the target compounds were studied, and these were storage temperature, light, use of preservatives (and respective concentrations), and time. The effects of each parameter were evaluated using the design of experiments (DOE) approach. The stability of the target analytes was improved when the DSS were stored at room temperature, in the presence of light and using 1% sodium fluoride. The best conditions were then adopted for the DSS storage and long-term stability was assessed. COD was only stable for 1 day, EME was stable for 3 days, COC, COET, NCOC and 6-MAM were stable for 7 days, MOR for 14 days and BEG remained stable throughout the study (136 days). This is the first study that evaluates the stability of these compounds in oral fluid samples after application in DSS cards, and optimizes the conditions in order to improve their stability.
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Affiliation(s)
- Ema Almeida
- Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior (CICS-UBI), Av. Infante D. Henrique, 6201-556 Covilhã, Portugal; (E.A.); (S.S.); (J.G.); (T.R.)
| | - Sofia Soares
- Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior (CICS-UBI), Av. Infante D. Henrique, 6201-556 Covilhã, Portugal; (E.A.); (S.S.); (J.G.); (T.R.)
- Laboratório de Fármaco-Toxicologia, Ubimedical, Universidade da Beira Interior, Estrada Municipal 506, 6200-284 Covilhã, Portugal
| | - Joana Gonçalves
- Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior (CICS-UBI), Av. Infante D. Henrique, 6201-556 Covilhã, Portugal; (E.A.); (S.S.); (J.G.); (T.R.)
- Laboratório de Fármaco-Toxicologia, Ubimedical, Universidade da Beira Interior, Estrada Municipal 506, 6200-284 Covilhã, Portugal
| | - Tiago Rosado
- Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior (CICS-UBI), Av. Infante D. Henrique, 6201-556 Covilhã, Portugal; (E.A.); (S.S.); (J.G.); (T.R.)
- Laboratório de Fármaco-Toxicologia, Ubimedical, Universidade da Beira Interior, Estrada Municipal 506, 6200-284 Covilhã, Portugal
- C4-Cloud Computing Competence Centre, Universidade da Beira Interior, 6200-000 Covilhã, Portugal
| | - Nicolás Fernández
- Laboratorio de Asesoramiento Toxicológico Analítico (CENATOXA), Cátedra de Toxicología y Química Legal, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, 7mo piso, Ciudad Autónoma de Buenos Aires (CABA), Buenos Aires C1113AAD, Argentina;
| | - Jesus M. Rodilla
- Departamento de Química, Universidade da Beira Interior, FibEnTech-Materiais Fibrosos e Tecnologias Ambientais, Rua Marquês d’Ávila e Bolama, 6200-001 Covilhã, Portugal;
| | - Luís A. Passarinha
- Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior (CICS-UBI), Av. Infante D. Henrique, 6201-556 Covilhã, Portugal; (E.A.); (S.S.); (J.G.); (T.R.)
- Laboratório de Fármaco-Toxicologia, Ubimedical, Universidade da Beira Interior, Estrada Municipal 506, 6200-284 Covilhã, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 1099-085 Caparica, Portugal
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA, 2819-516 Caparica, Portugal
- Correspondence: (L.A.P.); (M.B.); (E.G.); Tel.: +35-127-532-9002 (L.A.P.); +351-21-881-1800 (M.B.); +351-27-532-9002 (E.G.)
| | - Mário Barroso
- Serviço de Química e Toxicologia Forenses, Instituto de Medicina Legal e Ciências Forenses-Delegação do Sul, 1169-201 Lisboa, Portugal
- Correspondence: (L.A.P.); (M.B.); (E.G.); Tel.: +35-127-532-9002 (L.A.P.); +351-21-881-1800 (M.B.); +351-27-532-9002 (E.G.)
| | - Eugenia Gallardo
- Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior (CICS-UBI), Av. Infante D. Henrique, 6201-556 Covilhã, Portugal; (E.A.); (S.S.); (J.G.); (T.R.)
- Laboratório de Fármaco-Toxicologia, Ubimedical, Universidade da Beira Interior, Estrada Municipal 506, 6200-284 Covilhã, Portugal
- Correspondence: (L.A.P.); (M.B.); (E.G.); Tel.: +35-127-532-9002 (L.A.P.); +351-21-881-1800 (M.B.); +351-27-532-9002 (E.G.)
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The Effect of Plasma Protein Binding on the Therapeutic Monitoring of Antiseizure Medications. Pharmaceutics 2021; 13:pharmaceutics13081208. [PMID: 34452168 PMCID: PMC8401952 DOI: 10.3390/pharmaceutics13081208] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/27/2021] [Accepted: 07/27/2021] [Indexed: 12/17/2022] Open
Abstract
Epilepsy is a widely diffused neurological disorder including a heterogeneous range of syndromes with different aetiology, severity and prognosis. Pharmacological treatments are based on the use, either in mono- or in polytherapy, of antiseizure medications (ASMs), which act at different synaptic levels, generally modifying the excitatory and/or inhibitory response through different action mechanisms. To reduce the risk of adverse effects and drug interactions, ASMs levels should be closely evaluated in biological fluids performing an appropriate Therapeutic Drug Monitoring (TDM). However, many decisions in TDM are based on the determination of the total drug concentration although measurement of the free fraction, which is not bound to plasma proteins, is becoming of ever-increasing importance since it correlates better with pharmacological and toxicological effects. Aim of this work has been to review methodological aspects concerning the evaluation of the free plasmatic fraction of some ASMs, focusing on the effect and the clinical significance that drug-protein binding has in the case of widely used drugs such as valproic acid, phenytoin, perampanel and carbamazepine. Although several validated methodologies are currently available which are effective in separating and quantifying the different forms of a drug, prospective validation studies are undoubtedly needed to better correlate, in real-world clinical contexts, pharmacokinetic monitoring to clinical outcomes.
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Long-Term Preservation and Storage of Faecal Samples in Whatman ® Cards for PCR Detection and Genotyping of Giardia duodenalis and Cryptosporidium hominis. Animals (Basel) 2021; 11:ani11051369. [PMID: 34065892 PMCID: PMC8151430 DOI: 10.3390/ani11051369] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/08/2021] [Accepted: 05/10/2021] [Indexed: 12/11/2022] Open
Abstract
Preservation and conservation of biological specimens, including faecal samples, is a challenge in remote areas or poor-resource settings where the cold chain cannot be maintained. This study aims at evaluating the suitability of filter cards for long-term storage of faecal samples of animal and human origin positive to the diarrhoea-causing protozoan parasites, Giardia duodenalis and Cryptosporidium hominis. Three commercially available Whatman® Filter Cards were comparatively assessed: the FTA® Classic Card, the FTA® Elute Micro Card, and the 903 Protein Saver Card. Human faecal samples positive to G. duodenalis (n = 5) and C. hominis (n = 5) were used to impregnate the selected cards at given storage (1 month, 3 months, and 6 months) periods and temperature (-20 °C, 4 °C, and room temperature) conditions. Parasite DNA was detected by PCR-based methods. Sensitivity assays and quality control procedures to assess suitability for genotyping purposes were conducted. Overall, all three Whatman® cards were proven useful for the detection and molecular characterisation of G. duodenalis and C. hominis under the evaluated conditions. Whatman® cards represent a simple, safe, and cost-effective option for the transportation, preservation, and storage of faecal samples without the need of the cold chain.
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Han Y, Shi Q, Xu CY, Di L, Zhao LL, Jin W, Min JZ. A convenient sampling and noninvasive dried spot method of uric acid in human saliva: Comparison of serum uric acid value and salivary uric acid in healthy volunteers and hyperuricemia patients. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1164:122528. [PMID: 33454442 DOI: 10.1016/j.jchromb.2021.122528] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 12/25/2020] [Accepted: 01/02/2021] [Indexed: 01/04/2023]
Abstract
Concentration of uric acid (UA) in serum is one of the markers used to diagnose gout and hyperuricemia. However, serum treatment and storage are cumbersome, and wounds are susceptible to infection. Therefore, a new sampling and analysis method using noninvasive biological samples has been developed, called the dried spot method of UA in human saliva (DSM-UHS). Saliva (5 μL) was dropped on filter paper (a spot with a diameter of 5 mm) containing hypoxanthine (IS) (5 μL) and dried at room temperature for 30 min. The filter paper was immersed in 200 μL of lithium carbonate solution and shaken in a block bath shaker for 5 min at 30 °C. Afterward, the extraction was concentrated and reconstituted with 100 μL of lithium carbonate solution analyzed by HPLC-UV. When comparing the concentration of UA in the human saliva of hyperuricemia patients (HPs) and with that of healthy volunteers (HVs), we observed the concentration of UA was higher in the HPs than in the HVs (p < 0.0001). In addition, the results showed a significant linear relationship between the content of UA in saliva and the content of UA in the serum (r = 0.6243). The content of UA in human saliva could indirectly reflect the content of UA in human serum. Then DSM-UHS could be used to determine the content of UA in the saliva of HVs and HPs. This study provides a new research method and strategy for the determination of human UA content and the clinical prewiring of hyperuricemia.
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Affiliation(s)
- Yu Han
- Laboratory of Natural Medicines of the Changbai Mountain, Pharmaceutical Analysis, College of Pharmacy, Yanbian University, and Department of Pharmacy, Department of Endocrinology, Yanbian University Hospital, Yanji 133002, Jilin Province, China
| | - Qing Shi
- Laboratory of Natural Medicines of the Changbai Mountain, Pharmaceutical Analysis, College of Pharmacy, Yanbian University, and Department of Pharmacy, Department of Endocrinology, Yanbian University Hospital, Yanji 133002, Jilin Province, China
| | - Chun-Yan Xu
- Laboratory of Natural Medicines of the Changbai Mountain, Pharmaceutical Analysis, College of Pharmacy, Yanbian University, and Department of Pharmacy, Department of Endocrinology, Yanbian University Hospital, Yanji 133002, Jilin Province, China
| | - Lei Di
- Laboratory of Natural Medicines of the Changbai Mountain, Pharmaceutical Analysis, College of Pharmacy, Yanbian University, and Department of Pharmacy, Department of Endocrinology, Yanbian University Hospital, Yanji 133002, Jilin Province, China
| | - Li-Li Zhao
- Laboratory of Natural Medicines of the Changbai Mountain, Pharmaceutical Analysis, College of Pharmacy, Yanbian University, and Department of Pharmacy, Department of Endocrinology, Yanbian University Hospital, Yanji 133002, Jilin Province, China
| | - Wenlong Jin
- Laboratory of Natural Medicines of the Changbai Mountain, Pharmaceutical Analysis, College of Pharmacy, Yanbian University, and Department of Pharmacy, Department of Endocrinology, Yanbian University Hospital, Yanji 133002, Jilin Province, China.
| | - Jun Zhe Min
- Laboratory of Natural Medicines of the Changbai Mountain, Pharmaceutical Analysis, College of Pharmacy, Yanbian University, and Department of Pharmacy, Department of Endocrinology, Yanbian University Hospital, Yanji 133002, Jilin Province, China.
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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: 37] [Impact Index Per Article: 9.3] [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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An immuno-MALDI mass spectrometry assay for the oral cancer biomarker, matrix metalloproteinase-1, in dried saliva spot samples. Anal Chim Acta 2020; 1100:118-130. [DOI: 10.1016/j.aca.2019.12.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 11/19/2019] [Accepted: 12/01/2019] [Indexed: 01/17/2023]
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Schulte F, Hasturk H, Hardt M. Mapping Relative Differences in Human Salivary Gland Secretions by Dried Saliva Spot Sampling and nanoLC-MS/MS. Proteomics 2019; 19:e1900023. [PMID: 31476108 DOI: 10.1002/pmic.201900023] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 08/26/2019] [Indexed: 12/28/2022]
Abstract
Dried saliva spot sampling is a minimally invasive technique for the spatial mapping of salivary protein distribution in the oral cavity. In conjunction with untargeted nano-flow liquid chromatography tandem mass spectrometry (nanoLC-MS/MS) analysis, DSS is used to compare the proteomes secreted by unstimulated parotid and submandibular/sublingual salivary glands. Two hundred and twenty proteins show a statistically significant association with parotid gland secretion, while 30 proteins are at least tenfold more abundant in the submandibular/sublingual glands. Protein identifications and label-free quantifications are highly reproducible across the paired glands on three consecutive days, enabling to establish the core proteome of glandular secretions categorized into eight salivary protein groups according to their biological functions. The data suggest that the relative contributions of the salivary glands fine-tune the biological activity of human saliva via medium-abundant proteins. A number of biomarker candidates for Sjögren's syndrome are observed among the gland-specifically expressed proteins, which indicates that glandular origin is an important factor to consider in salivary biomarker discovery.
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Affiliation(s)
- Fabian Schulte
- The Forsyth Institute, Cambridge, MA, 02142, USA.,Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA, 02115, USA
| | | | - Markus Hardt
- The Forsyth Institute, Cambridge, MA, 02142, USA.,Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA, 02115, USA
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Majda A, Wietecha-Posłuszny R, Świądro M, Mrochem K, Kościelniak P. Dried blood spots sampling in case samples deprived of hematocrit level information - Investigation and calculation strategy. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1124:308-312. [PMID: 31265992 DOI: 10.1016/j.jchromb.2019.06.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 06/19/2019] [Accepted: 06/21/2019] [Indexed: 11/19/2022]
Abstract
The application of a new calculation strategy for the psychotropic drug concentration in blood and bone marrow samples in the form of dried blood spots (DBS) was the main aim of the study. The standard DBS method consists of the deposition of the capillary blood onto the dedicated paper cards. Nowadays, the DBS technique is seen as a fast and partly superior microsampling alternative methodology replacing the conventional venous blood and plasma collection. The calculation approach to drug concentration in the limited volume of the case sample, where the hematocrit level cannot be determined, constitutes an important step of this method. The method has been validated and the results of the determination of alprazolam and diazepam previously spiked in the post-mortem blood and bone marrow sample have been satisfactory.
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Affiliation(s)
- Alicja Majda
- Laboratory for Forensic Chemistry, Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Renata Wietecha-Posłuszny
- Laboratory for Forensic Chemistry, Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland.
| | - Magdalena Świądro
- Laboratory for Forensic Chemistry, Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Karolina Mrochem
- Laboratory for Forensic Chemistry, Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Paweł Kościelniak
- Laboratory for Forensic Chemistry, Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
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Jacques ALB, Santos MKD, Limberger RP. Development and Validation of a Method Using Dried Oral Fluid Spot to Determine Drugs of Abuse. J Forensic Sci 2019; 64:1906-1912. [PMID: 31206667 DOI: 10.1111/1556-4029.14112] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 05/15/2019] [Accepted: 05/28/2019] [Indexed: 02/03/2023]
Abstract
A liquid chromatography-mass spectrometry method using dried oral fluid spots was developed and validated for the simultaneous quantification of cocaine, benzoylecgonine, cocaethylene, amphetamine, and 3,4-methylenedioxymethamphetamine. The oral fluid was applied to a Whatman 903 grade paper and submitted to a drying time of 2.5 h. The extraction procedure was optimized by chemometric approach using simplex centroid design. Spots were extracted with a mixture of acetonitrile, buffer, and methanol. Calibration curves covered a linear concentration range of 40-500 ng/mL. Validation parameters of linearity, precision, accuracy, selectivity, carryover, matrix effects, and stability were evaluated and showed satisfactory results. Spot homogeneity was also satisfactory, with less than 15% of deviation from nominal concentration. Spot volume did not influence accuracy when less than 100 μL of the sample was applied to the spot. The validation of the proposed method suggests a potential application in different scenarios in toxicology.
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Affiliation(s)
- Ana Laura Bemvenuti Jacques
- Graduate Program of Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Sul, 2752 Ipiranga Ave, Porto Alegre, RS, 90610-000, Brazil
| | - Maíra Kerpel Dos Santos
- Graduate Program of Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Sul, 2752 Ipiranga Ave, Porto Alegre, RS, 90610-000, Brazil
| | - Renata Pereira Limberger
- Graduate Program of Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Sul, 2752 Ipiranga Ave, Porto Alegre, RS, 90610-000, Brazil
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Gu H, Zhao Y, DeMichele M, Zheng N, Zhang YJ, Pillutla R, Zeng J. Eliminating Preparation of Multisample External Calibration Curves and Dilution of Study Samples Using the Multiple Isotopologue Reaction Monitoring (MIRM) Technique in Quantitative LC-MS/MS Bioanalysis. Anal Chem 2019; 91:8652-8659. [DOI: 10.1021/acs.analchem.9b02136] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Huidong Gu
- Bioanalytical Sciences, Research & Development, Bristol-Myers Squibb, Route 206 & Province Line Road, Princeton, New Jersey 08543, United States
| | - Yue Zhao
- Bioanalytical Sciences, Research & Development, Bristol-Myers Squibb, Route 206 & Province Line Road, Princeton, New Jersey 08543, United States
| | - Marissa DeMichele
- Bioanalytical Sciences, Research & Development, Bristol-Myers Squibb, Route 206 & Province Line Road, Princeton, New Jersey 08543, United States
| | - Naiyu Zheng
- Bioanalytical Sciences, Research & Development, Bristol-Myers Squibb, Route 206 & Province Line Road, Princeton, New Jersey 08543, United States
| | - Yan J. Zhang
- Bioanalytical Sciences, Research & Development, Bristol-Myers Squibb, Route 206 & Province Line Road, Princeton, New Jersey 08543, United States
| | - Renuka Pillutla
- Bioanalytical Sciences, Research & Development, Bristol-Myers Squibb, Route 206 & Province Line Road, Princeton, New Jersey 08543, United States
| | - Jianing Zeng
- Bioanalytical Sciences, Research & Development, Bristol-Myers Squibb, Route 206 & Province Line Road, Princeton, New Jersey 08543, United States
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16
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Determination of Endogenous Concentrations of Uracil and Dihydrouracil in Dried Saliva Spots by LC-MS/MS: Method Development, Validation, and Clinical Application. Ther Drug Monit 2019; 41:383-390. [DOI: 10.1097/ftd.0000000000000615] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Determination of methadone and EDDP in oral fluid using the dried saliva spots sampling approach and gas chromatography-tandem mass spectrometry. Anal Bioanal Chem 2019; 411:2177-2187. [DOI: 10.1007/s00216-019-01654-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 01/18/2019] [Accepted: 01/29/2019] [Indexed: 01/28/2023]
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18
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Carvalho J, Rosado T, Barroso M, Gallardo E. Determination of Antiepileptic Drugs Using Dried Saliva Spots. J Anal Toxicol 2018; 43:61-71. [DOI: 10.1093/jat/bky064] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Indexed: 01/24/2023] Open
Affiliation(s)
- Joana Carvalho
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, Av. Infante D. Henrique, Covilhã, Portugal
| | - Tiago Rosado
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, Av. Infante D. Henrique, Covilhã, Portugal
- Laboratório de Fármaco-Toxicologia, UBIMedical, Universidade da Beira Interior, EM506, Covilhã, Portugal
| | - Mário Barroso
- Instituto Nacional de Medicina Legal e Ciências Forenses – Delegação do Sul, Rua Manuel Bento de Sousa, 3, Lisboa, Portugal
| | - Eugenia Gallardo
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, Av. Infante D. Henrique, Covilhã, Portugal
- Laboratório de Fármaco-Toxicologia, UBIMedical, Universidade da Beira Interior, EM506, Covilhã, Portugal
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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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20
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Kothare PA, Jadhav PR, Gupta P, Harrelson JC, Dickmann L. Harnessing the Potential of Emerging Digital Health and Biological Sampling Technologies for Clinical Drug Development: Promise to Reality. Clin Pharmacol Ther 2018; 104:1125-1135. [DOI: 10.1002/cpt.1100] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 04/06/2018] [Accepted: 04/23/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Prajakti A. Kothare
- Pharmacokinetics, Pharmacodynamics and Drug Metabolism; Merck; Kenilworth New Jersey USA
| | - Pravin R. Jadhav
- Corporate Projects, Research & Development (R&D) Innovation; Otsuka Pharmaceutical Development and Commercialization (OPDC); Princeton New Jersey USA
| | - Pankaj Gupta
- Clinical Pharmacology, Global Product Development; Pfizer, Inc.; Groton Connecticut USA
| | - Jane Croft Harrelson
- Pharmacokinetics, Pharmacodynamics and Drug Metabolism; Merck; Kenilworth New Jersey USA
| | - Leslie Dickmann
- Clinical Pharmacology; Genentech; South San Francisco California USA
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21
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Medvedovici A, Bacalum E, David V. Sample preparation for large-scale bioanalytical studies based on liquid chromatographic techniques. Biomed Chromatogr 2017; 32. [DOI: 10.1002/bmc.4137] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 10/24/2017] [Accepted: 10/27/2017] [Indexed: 12/30/2022]
Affiliation(s)
- Andrei Medvedovici
- Faculty of Chemistry, Department of Analytical Chemistry; University of Bucharest; Bucharest Romania
| | - Elena Bacalum
- Research Institute; University of Bucharest; Bucharest Romania
| | - Victor David
- Faculty of Chemistry, Department of Analytical Chemistry; University of Bucharest; Bucharest Romania
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