Keutenius Emma, O'Keeffe Peveline, Allen Kerri
University of Strathclyde, Glasgow, UK.
Sci Justice. 2013 Jun;53(2):171-7. doi: 10.1016/j.scijus.2012.10.003. Epub 2012 Oct 30.
This study investigated a new method of fibre recovery from non-textile items using polystyrene rods which have a static charge. A range of natural and man-made fibres were used on a number of substrates, including weapons, paper and plastic bags. The average recovery rate from all substrates was 99.1%. The effect of humidity on fibre recovery was also studied and it was found to reduce the ability of the rods to recover fibres. However this is unlikely to be an issue if recovery takes place in a forensic laboratory. It was concluded that the rods would prove a beneficial addition to the forensic laboratory as a relatively quick method of fibre recovery from non textile items where the standard method of recovery using tape lifts cannot be used.
本研究调查了一种使用带静电的聚苯乙烯棒从非纺织物品中回收纤维的新方法。在包括武器、纸张和塑料袋在内的多种基质上使用了一系列天然和人造纤维。所有基质的平均回收率为99.1%。还研究了湿度对纤维回收的影响,发现湿度会降低棒回收纤维的能力。然而,如果在法医实验室进行回收,这不太可能成为一个问题。得出的结论是,作为一种从非纺织物品中回收纤维的相对快速的方法,当无法使用标准的胶带提起回收方法时,这些棒将被证明是法医实验室的有益补充。