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Collagen Extraction from Recent and Fossil Bones: Quantitative and Qualitative Aspects

Semal, Patrick ; Orban, Rosine

Journal of Archaeological Science, 1995, Vol.22(4), pp.463-467 [Periódico revisado por pares]

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  • Título:
    Collagen Extraction from Recent and Fossil Bones: Quantitative and Qualitative Aspects
  • Autor: Semal, Patrick ; Orban, Rosine
  • Assuntos: Fossil Bones ; Collagen Extraction ; Hydroxyproline ; Peptide Size ; History & Archaeology
  • É parte de: Journal of Archaeological Science, 1995, Vol.22(4), pp.463-467
  • Descrição: Type I collagen is the major protein in bones. The mineral matrix protects collagen from denaturation, thus permitting the recovery of large collagen peptides from fossil bones thousands or millions of years old. Collagen peptides are more or less denatured in fossil bones, with diagenetic alteration being the major cause of such denaturation. Classical extraction methods alter the remaining large collagen peptides by extensive solubilization. A method is described here that used shorter collagen solubilization times. Resulting collagen yields are favourably compared with classical methods. The size of the large peptide (>10 kDa) fraction improves considerably. Combined with a particular concentration step, the use of this shorter solubilization technique should be useful for collagen analyses that necessitate large peptides, as in the case of palaeoimmunology.
  • Idioma: Inglês

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