Validation Of Reduced Reagent Volumes In The Implementation Of The Quantifiler((R)) Trio Quantification Kit
JOURNAL OF FORENSIC SCIENCES(2018)
摘要
The Quantifiler((R)) Trio Quantification Kit has been developed to quantify the total amount of amplifiable and human male DNA in samples and to estimate the extent of DNA degradation. To minimize the cost of DNA quantification, we evaluated kit performance using a reduced volume of reagents (1/10-volume) using DNA samples of varying types and concentrations. Our results demonstrated concordance between the manufacturer's method and the low-volume method for DNA quantification, DNA degradation index estimation, and human male DNA quantification. We confirmed the practical utility of the low-volume method with 109 casework samples by evaluating short tandem repeat (STR) profiling success with respect to DNA quantity and quality. We also defined a cutoff value for DNA quantity to ensure reliable STR results. Using a reduced volume of reagents, 10 times more reactions per kit are possible; accordingly, this method reduces the cost of DNA quantification, while maintaining performance.
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关键词
forensic science, Quantifiler((R)) Trio, human male DNA, degradation index, DNA quantification, short tandem repeat
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