کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
98687 | 160565 | 2006 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Resistance of degraded hair shafts to contaminant DNA
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Resistance of degraded hair shafts to contaminant DNA Resistance of degraded hair shafts to contaminant DNA](/preview/png/98687.png)
چکیده انگلیسی
We have investigated the susceptibility of degraded human hair shaft samples to contamination by exogenous sources of DNA, including blood, saliva, skin cells, and purified DNA. The results indicate that on the whole hair shafts are either largely resistant to penetration by contaminant DNA, or extremely easy to successfully decontaminate. This pertains to samples that are both morphologically and biochemically degraded. We suggest that this resistance to the incorporation of contaminant DNA relates to the hydrophobic and impermeable nature of the keratin structures forming the hair shaft. Therefore, hair samples represent an important and underestimated source of DNA in both forensic and ancient DNA studies.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Forensic Science International - Volume 156, Issues 2–3, 27 January 2006, Pages 208–212
Journal: Forensic Science International - Volume 156, Issues 2–3, 27 January 2006, Pages 208–212
نویسندگان
M Thomas P Gilbert, Laura Menez, Robert C Janaway, Desmond J Tobin, Alan Cooper, Andrew S Wilson,