Search Results - "Verdon, Timothy J."

The influence of substrate on DNA transfer and extraction efficiency by Verdon, Timothy J, Mitchell, R. John, van Oorschot, Roland A.H

“…Abstract The circumstances surrounding deposition of DNA profiles are increasingly becoming an issue in court proceedings, especially whether or not the…”
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FACS separation of non-compromised forensically relevant biological mixtures by Verdon, Timothy J, Mitchell, R. John, Chen, Weisan, Xiao, Kun, van Oorschot, Roland A.H

“…Highlights • Fluorescence-assisted cell sorting (FACS) of mixedfresh blood/saliva was trialled. • Previously undetectable alleles in various ratios of mixtures…”
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Preliminary investigation of differential tapelifting for sampling forensically relevant layered deposits by Verdon, Timothy J, Mitchell, R. John, van Oorschot, Roland A.H

“…Highlights • Differential tapelifting does not enhance recovery of layered multi-donor deposits. • True for different tapelifting methods and combinations of…”
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Swabs as DNA Collection Devices for Sampling Different Biological Materials from Different Substrates by Verdon, Timothy J., Mitchell, Robert J., van Oorschot, Roland A. H.

“…Currently, there is a variety of swabs for collection of biological evidence from crime scenes, but their comparative efficiency is unknown. Here, we report…”
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Evaluation of tapelifting as a collection method for touch DNA by Verdon, Timothy J, Mitchell, R. John, van Oorschot, Roland A.H

“…Abstract The use of tapelifting for collection of touch DNA from fabrics is routine in many jurisdictions. However, there is a paucity of data relating to the…”
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Location of Artifacts Deposited by the Blow Fly Lucilia cuprina After Feeding on Human Blood at Simulated Indoor Crime Scenes by Durdle, Annalisa, Verdon, Timothy J., Mitchell, Robert John, Oorschot, Roland A. H.

“…Human DNA profiles can be obtained from fly artifacts (feces and regurgitant) when a fly has been feeding on biological material, sometimes 2 years after…”
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Collection of Samples for DNA Analysis by van Oorschot, Roland A H, Verdon, Timothy J, Ballantyne, Kaye N

“…Effective sampling of biological material is critical to the ability to acquire DNA profiles of probative value. The main methods of collection are swabbing,…”
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Evaluating the efficiency of DNA extraction methods from different substrates by Verdon, Timothy J., Mitchell, R. John, van Oorschot, Roland A.H.

“…The efficiency of extracting DNA directly from substrates varies according to a range of factors including the type of substrate and the extraction technique…”
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The Pinpoint DNA Isolation System as a novel DNA sampling method in forensic biology by Verdon, Timothy J., Ballantyne, Kaye N., Mitchell, R. John, van Oorschot, Roland A.H.

“…The Pinpoint DNA Isolation System (Zymo Research) uses a dissolved polymer compound to remove and extract DNA from slide mounted pathology specimens. This…”
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