Evaluation of washing methods to remove contaminations from hair surface for DNA analysis
نویسندگان
چکیده
منابع مشابه
Soil Washing to Remove Mixed Wastes
Objective The goal of this laboratory exercise is to acquaint students with some of the chemical reactions that result in the binding of inorganic and organic pollutants in subsurface materials. Extractants used by engineers to release contaminants at hazardous waste sites (where mixtures of both types of contaminants are present) may or may not prove effective, depending upon their mechanism o...
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In this paper we evaluate three different methods for extracting DNA from human hair i.e. the Chelex method, the QIAamp DNA Mini Kit method and the ISOHAIR method. Analysis of DNA prepared from dyed hairs with the ISOHAIR method suggested that the DNA extracts contained PCR inhibitors. On the other hand, few inhibition was observed when DNA from dyed hairs were extracted using the Chelex method...
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Acid guanidium phenol preparations such as TRIzol allow the reproducible isolation of high-quality total RNA from various sources. However, if applied to minimal sample sizes, the quality parameters of the isolated RNA are often low. Here we present an approach to improve the 260/280- and 230/260-nm ratios of such preparations as well as the ratio of the 18S/28S RNA. A simple extraction with 1-...
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To find a suitable treatment in the preparation of Nb surface for platinum electrodeposition, different methods such as thermal oxidation, anodic oxidation, mechanical roughening, and mechanical roughening with subsequent anodic etching were examined. X-ray photoelectron spectroscopy was used to study the chemical composition of depth analysis of the surface. Moreover, in order to examine the m...
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ژورنال
عنوان ژورنال: Japanese Journal of Forensic Science and Technology
سال: 2015
ISSN: 1880-1323,1881-4689
DOI: 10.3408/jafst.693