Forensic Hair Investigation

Seta, Sueshige; Sato, Hajime; Miyake, B

doi:10.1007/978-3-642-69403-5_3

Cited by 29 publications

(10 citation statements)

References 410 publications

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“…Some medullary granules and other cellular debris could be observed in the air vacuoles of mature medullary cells in rabbit guard hairs (arrowhead in Fig. 3b) [5]. However, no cellar debris was observed in the hairs of the other species and it was unclear whether these observations were specific to the rabbit.…”

Section: Discussionmentioning

confidence: 94%

“…The selected hair samples were measured for length, width, medulla formation, and cuticle scale pattern under a light microscope or scanning electron microscope (SEM; JXA-8200, JEOL, Tokyo, Japan) for comparison with crosssections or vertical sections of hair samples from the domestic dog, cat, ferret, Japanese weasel, rabbit, gerbil, degu, and Djungarian hamster. These microscopic analyses were done in accordance with practical guidelines and manual for the identification of human and animal hairs [3][4][5].…”

Section: Morphological Analysismentioning

confidence: 99%

“…Hair falls out of the body and secondarily attaches to the clothing of others; in this way, it is interchanged between victim and suspect by Locard' exchange principle [1,2]. Although the hair of domestic animals, including the dogs and cats, can be identified by morphological methods, the hair of mammalian wildlife has not yet been sufficiently investigated with respect to morphological information [3][4][5]. It is nevertheless important that such samples be For better understandings please refer to the internet version which is in colour.…”

Section: Introductionmentioning

confidence: 99%

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Forensic hair analysis to identify animal species on a case of pet animal abuse

et al. 2009

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As part of an investigation of a case of pet animal abuse, we attempted to identify small mammalian species by morphological analysis and single-nucleotide polymorphism (SNP) typing of the cytochrome b gene using guard hairs as an analytical material. Guard hair samples from several species were measured for length, width, medulla formation, and cuticle scale pattern under a light microscope or scanning electron microscope. These samples were also analyzed for SNPs in the cytochrome b gene using a multiplex single-base primer extension reaction. Morphological analysis of cuticle scale pattern and medulla formation was able to discriminate ferret hairs from other hair samples that included rabbit, gerbil, degu, and Djungarian hamster. However, this also revealed a similarity of the guard hairs of the ferret (Mustela putorius furo) and Japanese weasel (Mustela itatsi). Although at three sites, the nucleotide color signals of SNPs in the cytochrome b gene could be used to discriminate completely among human, dog, and gerbil, the signals for cat, ferret, and Japanese weasel occurred at the same nucleotide sites. Unfortunately, no signals were obtained from degu, Djungarian hamster, and rabbit hairs. Although the discriminated hair samples were 100% identical to those of the ferret, there was only a 5% difference from Japanese weasel in the partial sequence of the cytochrome b gene. Construction of a database of mammalian hairs would be useful not only in forensic science, but also for investigating smuggling of endangered species in contravention of the Washington Convention.

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Section: Discussionmentioning

confidence: 94%

Section: Morphological Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Forensic hair analysis to identify animal species on a case of pet animal abuse

et al. 2009

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“…Human hair fibre (shaft) is a long cylinder with different forms in the cross-section (oval, reniform, round or triangular), with mean diameters of about 56.76 ± 1.33 and 81.94 ± 2.47 μm, respectively (Seta et al 1988;Guilbeau-Frugier et al 2006). The Asian and European hair fibres are more cylindrical than those of Africans.…”

Section: Hair Structurementioning

confidence: 99%

Archaeological human hair in a burial context: Microscopical evaluation of samples from Iași, Romania (18th–19th centuries)

et al. 2020

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Owing to its resistance to degradation, hair is an important bio‐sample with unique properties used to study post mortem decompositional changes. The present paper is a microscopical approach to preserved human scalp hair discovered at the 18th–19th‐century archaeological site of Iași, Romania. The hair fibre alterations were assessed using optical microscopy, scanning electron microscopy, image analysis and hair histological scores. External alterations showed a statistically significant heterogeneous degradation. Image analysis results of the internal degradation of hairs were correlated to external lesions. The results consider the implication of intrinsic biological factors in the post mortem degradation of human hair preserved in graves with comparable environmental conditions.

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“…Although hair follicular melanogenesis is similar in human and murine systems, the hair structures and shapes, the cuticle pattern, the formation of the medulla and the length of the hair cycle, as well as the characteristics of stem cell populations, are discernibly different 12, 38–43. Therefore, verification of the detailed mechanisms of SCF–KIT signalling underlying human hair colour is necessary.…”

Section: Introductionmentioning

confidence: 99%

Catalytic Asymmetric Formation of δ‐Lactones from Unsaturated Acyl Halides

Tiseni

Peters

2010

Chemistry A European J

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Previously unexplored enantiopure zwitterionic ammonium dienolates have been utilized in this work as reactive intermediates that act as diene components in hetero-Diels-Alder reactions (HDAs) with aldehydes to produce optically active delta-lactones, subunits of numerous bioactive products. The dienolates were generated in situ from E/Z mixtures of alpha,beta-unsaturated acid chlorides by use of a nucleophilic quinidine derivative and Sn(OTf)(2) as co-catalyst. The latter component was not directly involved in the cycloaddition step with aldehydes and simply facilitated the formation of the reactive dienolate species. The scope of the cycloaddition was considerably improved by use of a complex formed from Er(OTf)(3) and a simple commercially available norephedrine-derived ligand that tolerated a broad range of aromatic and heteroaromatic aldehydes for a cooperative bifunctional Lewis-acid-/Lewis-base-catalyzed reaction, providing alpha,beta-unsaturated delta-lactones with excellent enantioselectivities. Mechanistic studies confirmed the formation of the dienolate intermediates for both catalytic systems. The active Er(III) complex is most likely a monomeric species. Interestingly, all lanthanides can catalyze the title reaction, but the efficiency in terms of yield and enantioselectivity depends directly on the radius of the Ln(III) ion. Similarly, use of the pseudolanthanides Sc(III) and Y(III) also resulted in product formation, whereas the larger La(III) and other transition metal salts, as well as main group metal salts, proved to be inefficient. In addition, various synthetic transformations of 6-CCl(3)- or 4-silyl-substituted alpha,beta-unsaturated delta-lactones, giving access to a number of valuable delta-lactone building blocks, were investigated.

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Forensic Hair Investigation

Cited by 29 publications

References 410 publications

Forensic hair analysis to identify animal species on a case of pet animal abuse

Forensic hair analysis to identify animal species on a case of pet animal abuse

Archaeological human hair in a burial context: Microscopical evaluation of samples from Iași, Romania (18th–19th centuries)

Catalytic Asymmetric Formation of δ‐Lactones from Unsaturated Acyl Halides

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