 hair analysis may refer to the chemical analysis of a hair sample, but can also refer to microscopic analysis or comparison. chemical hair analysis may be considered for retrospective purposes when blood and urine are no longer expected to contain a particular contaminant, typically a year or less.eastern research group. section 5, choosing the best biological marker. summary report, hair analysis panel discussion: exploring the state of the science. atdsr. june 12â13, 2001 its most widely accepted use is in the fields of forensic toxicology and, increasingly, environmental toxicology.dartmouth toxic metals research program. a metals primer. center for environmental health sciences at dartmouth. accessed 9 dec 2006. several alternative medicine fields also use various hair analyses for environmental toxicology but these uses are controversial, evolving and not standardized. microscopic hair analysis has traditionally been used in forensics as well. analysts examine a number of different characteristics of hairs under a microscope, usually comparing hair taken from a crime scene and hair taken from a suspect. it is still acknowledged as a useful technique for confirming hairs do not match, but the ability of the field to identify a specific person has fallen into disrepute after dna analysis showed that many claimed matches from this technique were false. == hair analysis in forensic toxicology == hair analysis is used for the detection of many therapeutic drugs and recreational drugs, including cocaine, heroin, benzodiazepines and amphetamines.welch, m.j., sniegoski, l.t., allgood, c.c., and habram, m. hair analysis for drugs of abuse: evaluation of analytical methods, environmental issues, and development of reference materials. j anal toxicol 17(7):389-398, 1993.balikova, marie, "hair analysis for drugs of abuse: plausibility of interpretation", biomed pap med fac univ palacky olomouc czech repub. 2005, 149(2):199â207. hair analysis is less invasive than a blood test, if not quit
Forensic_techniques Human_hair Toxicology_tests