Enjoy this recording of our ToxTime: Hair Color Bias in Keratin with Joseph Jones, Ph.D., NRCC-TC, Chief Operating Officer at USDTL.
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USDTL is a business-to-business laboratory that is a leader in newborn toxicology, alcohol biomarkers, and substances of abuse testing for all stages of life. We are on a mission to ensure the hardest cases do not go without resolution by specializing in niche areas of forensic drug and alcohol testing.
0:00 Introduction and Objectives
0:43 Hair Testing Advantages
2:22 How Drugs Get Into Hair
4:24 Limitations in Hair Testing
8:07 Adulteration of Specimens
9:11 Codeine Color Bias Study
10:48 PCP Color Bias Study
12:26 Zolpidem Color Bias Study
13:34 Codeine Concentrations
16:42 Anatomy of Nail
17:59 Incorporation of Drug into Nail
21:21 Nail vs Hair
30:24 Advantages of Hair Testing
32:25 Q&A
