| 释义 |
hair analysis
The use of scalp hair as a primary analytical specimen
Mainstream medicine Hair analysis is of limited usefulness in trace element analysis
Quackery Hair analysis is allegedly useful for evaluating health and nutritional status, protein and vitamin levels
Substance abuse The use of samples of hair to detect chronic drug abuse
Methods RIA, EIA, GC/MS
Drugs detected Amphetamines, cocaine, heroin
Levels of detection 10 pg or 10 ng/mg of hair
Toxicology The most reliable use of hair analysis is to detect chronic heavy metal poisoning—e.g., arsenic, lead, mercuryhair analysis The use of scalp hair as primary analytic specimen Mainstream medicine HA is of limited usefulness in trace element analysis Substance abuse The use of samples of hair to detect chronic drug abuse Methods RIA, EIA, GC/MS Drugs detected Amphetamines, cocaine, heroin Levels of detection 10 pg or 10 ng/mg of hair Toxicology The most reliable use of HA is to detect chronic heavy metal poisoning–eg, arsenic, lead, mercuryhair a·nal·y·sis (hār ă-nali-sis) Testing for retrospective purposes when blood and urine can no longer be expected to contain a particular contaminant; most widely used in forensic toxicology and environmental toxicology; used controversially in alternative medicine. |