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Forensic Sci. Int. Genet. 2, 301–309. Real-time forensic DNA analysis at a crime scene using a portable microchip analyzer. 2008

Liu, P. Yeung, S.H.I., Crenshaw, K.A., Crouse, C.A., Scherer, J.R. and Mathies, R.A.

Notes: This paper describes analysis of DNA samples at a mock crime scene using automated DNA purification followed by STR analysis on a portable microchip system. The mock crime scene was created using "victim" and "suspect" blood stains prepared by spotting 3µl of liquid blood onto paper towels and a cloth shirt. The samples were allowed to dry overnight before placement at the crime scene. Samples were processed at the scene using the Maxwell® 16 Instrument and DNA IQ™ Casework Sample Kit for DNA extraction, and a microchip analyzer to perform amplification and STR analysis. The 9-plex autosomal STR typing system used in the microchip system included primer sequences from the PowerPlex® 16 System (D3S1358, THO1, D21S11, D5S818, D13S317, D7S820, vWA and D8S1179) and amelogenin for sex identification. DNA purification from suspect samples was completed in 2 hours, and subsequent STR analysis and generation of a "suspect" DNA profile took a further 3 hours. The entire process from sample collection to generation of a CODIS "hit" took 6 hours. (3922)

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