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Semi-quantitative analysis of drugs of abuse, including tetrahydrocannabinol in hair using aqueous extraction and immunoassay
Abstract A semi-quantitative analytical screening procedure for the determination of cocaine, amphetamines, opiates, and delta-9-tetrahydrocannabinol in hair has been developed. The procedure employs an aqueous extraction buffer, uses only 10 mg of hair, requires 2 h of incubation for the extraction...
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Published in: | Forensic science international 2010-03, Vol.196 (1), p.70-73 |
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description | Abstract A semi-quantitative analytical screening procedure for the determination of cocaine, amphetamines, opiates, and delta-9-tetrahydrocannabinol in hair has been developed. The procedure employs an aqueous extraction buffer, uses only 10 mg of hair, requires 2 h of incubation for the extraction to occur, and multiple drug classes can be screened using enzyme linked immunosorbent assays. Hair calibration standards were prepared around the recommended cut-off concentrations of the Society of Hair Testing. All drug classes showed excellent linearity over the concentration range tested, indicating that immunochemical screening can be used in a semi-quantitative mode for hair analysis using an aqueous buffer, rapid extraction and a small amount of hair. |
doi_str_mv | 10.1016/j.forsciint.2009.12.025 |
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The procedure employs an aqueous extraction buffer, uses only 10 mg of hair, requires 2 h of incubation for the extraction to occur, and multiple drug classes can be screened using enzyme linked immunosorbent assays. Hair calibration standards were prepared around the recommended cut-off concentrations of the Society of Hair Testing. All drug classes showed excellent linearity over the concentration range tested, indicating that immunochemical screening can be used in a semi-quantitative mode for hair analysis using an aqueous buffer, rapid extraction and a small amount of hair.</description><identifier>ISSN: 0379-0738</identifier><identifier>EISSN: 1872-6283</identifier><identifier>DOI: 10.1016/j.forsciint.2009.12.025</identifier><identifier>PMID: 20079985</identifier><identifier>CODEN: FSINDR</identifier><language>eng</language><publisher>Kidlington: Elsevier Ireland Ltd</publisher><subject>Amphetamines - analysis ; Biological and medical sciences ; Buffers ; Calibration ; Cocaine - analysis ; Dronabinol - analysis ; Drug abuse ; Drugs ; Drugs of abuse ; Enzyme-Linked Immunosorbent Assay ; Enzymes ; Extraction ; Forensic medicine ; Forensic science ; Forensic sciences ; Forensic Toxicology - methods ; General aspects ; Hair ; Hair - chemistry ; Hair analysis ; Humans ; Immunoassay ; Investigative techniques, diagnostic techniques (general aspects) ; Laboratories ; Medical sciences ; Medical screening ; Methamphetamine ; Narcotics - analysis ; Pathology ; Public health. 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The procedure employs an aqueous extraction buffer, uses only 10 mg of hair, requires 2 h of incubation for the extraction to occur, and multiple drug classes can be screened using enzyme linked immunosorbent assays. Hair calibration standards were prepared around the recommended cut-off concentrations of the Society of Hair Testing. All drug classes showed excellent linearity over the concentration range tested, indicating that immunochemical screening can be used in a semi-quantitative mode for hair analysis using an aqueous buffer, rapid extraction and a small amount of hair.</description><subject>Amphetamines - analysis</subject><subject>Biological and medical sciences</subject><subject>Buffers</subject><subject>Calibration</subject><subject>Cocaine - analysis</subject><subject>Dronabinol - analysis</subject><subject>Drug abuse</subject><subject>Drugs</subject><subject>Drugs of abuse</subject><subject>Enzyme-Linked Immunosorbent Assay</subject><subject>Enzymes</subject><subject>Extraction</subject><subject>Forensic medicine</subject><subject>Forensic science</subject><subject>Forensic sciences</subject><subject>Forensic Toxicology - methods</subject><subject>General aspects</subject><subject>Hair</subject><subject>Hair - chemistry</subject><subject>Hair analysis</subject><subject>Humans</subject><subject>Immunoassay</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Laboratories</subject><subject>Medical sciences</subject><subject>Medical screening</subject><subject>Methamphetamine</subject><subject>Narcotics - analysis</subject><subject>Pathology</subject><subject>Public health. 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subjects | Amphetamines - analysis Biological and medical sciences Buffers Calibration Cocaine - analysis Dronabinol - analysis Drug abuse Drugs Drugs of abuse Enzyme-Linked Immunosorbent Assay Enzymes Extraction Forensic medicine Forensic science Forensic sciences Forensic Toxicology - methods General aspects Hair Hair - chemistry Hair analysis Humans Immunoassay Investigative techniques, diagnostic techniques (general aspects) Laboratories Medical sciences Medical screening Methamphetamine Narcotics - analysis Pathology Public health. Hygiene Public health. Hygiene-occupational medicine Screening Substance Abuse Detection - methods |
title | Semi-quantitative analysis of drugs of abuse, including tetrahydrocannabinol in hair using aqueous extraction and immunoassay |
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