活体受试者皮肤上纤维的数量、转移及持久性。

The population, transfer and persistence of fibres on the skin of living subjects.

作者信息

Palmer Ray, Burch Hilary J

机构信息

The Forensic Science Service, Hinchingbrooke Park, Huntingdon, Cambridgeshire, PE296NU, UK.

出版信息

Sci Justice. 2009 Dec;49(4):259-64. doi: 10.1016/j.scijus.2009.02.008.

DOI:10.1016/j.scijus.2009.02.008

PMID:20120604

Abstract

Fibres were transferred to the bare arms of living subjects and their persistence determined at intervals up to 24 h, during which normal daily activity was undertaken. Decay curves showed an initial rapid loss followed by an apparently exponential decay. No target fibres were found to remain after 24 h. The length distribution showed a shift towards shorter fibre lengths and the differential shedding results for a polyester/cotton mixture showed a small bias towards the retention of cotton. The population of coloured fibres on bare skin was classified according to perceived colour, length, generic class and the presence or absence of delustrant.

摘要

将纤维转移到活体受试者的裸露手臂上，并每隔一段时间测定其留存情况，直至24小时，在此期间进行正常的日常活动。衰减曲线显示出最初的快速损失，随后是明显的指数衰减。24小时后未发现有目标纤维残留。长度分布显示向较短纤维长度偏移，聚酯/棉混合物的差异脱落结果显示对棉纤维的留存略有偏向。根据感知到的颜色、长度、通用类别以及消光剂的有无，对裸露皮肤上有色纤维的群体进行了分类。