Splitting Hairs: Ingestion or Contamination?
How longitudinal sectioning and MALDI-MS can boost the reliability and sensitivity of drug determination in hair samples
Matthew Hallam |
When blood and urine tests are not possible (or suitable), hair analysis can be used to identify drug use. But a question mark lingers over a controversial topic: genuine ingestion versus external contamination. Various wash protocols were introduced to counter the problem, but how effective are they?
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