Achaeometrical Research in Hungary II., 1988

PROSPECTING and DATING - János CSAPÓ - Zsuzsanna CSAPÓ-KISS - János CSAPÓ JR.: How the amino acids and amino acid racemization can be used and with what limits for age determination of fossil materials in archaeometry

References Abelson, P.H. 1954: Amino acids in fossils. Carnegie Institute of Washington Year Book, 53. 97-108. Aswad, D.W. (1984): Determination of D- and L-aspartate in amino acid mixtures by high performance liquid chromatography after derivatization with chiral adduct of o-phthalaldehyde. Anal. Biochem., 137. 405. Betner, I. and Földi,P. 1988: The FMOC-ADAM approach to amino acid analysis. LC. GC. 832. Buck, R.H. and Krummen, К. 1987: High-performance liquid chromatography determination of enantiomeric amino acids and amino alcohols after derivatization with o-phthalaldehyde and various chiral mercaptans. J. Chromatogr., 387. 255. Cronin, J. R. and Pizzarello, S. 1983: Amino acids in meteorites. Adv. Space. Res., 3.5. Cunico, R. Majer, A.G. Wehr, С. T. and Sheehan, T. L. 1986: High sensitivity amino acid analysis using a novel automated precolumn derivatization system. BioChromatography, 1. Csapó, J., Csapó Jné, Tóth Lné 1986: Optimization of hydrolysis at determination of amino acid content in food and feed products. Acta Alimentaria. 1. 3-21. Csapó J., Pap I. and Költő L. 1988: Archaeological age determination of fossil bone samples containing protein based on amino acid racemization and epimerization. Anthropologia Hungarica, 1. 67. Csapó, J., Csapó-Kiss, Zs., Költő, L. and Papp, I. 1990a: Age determination of fossil bone samples based on the ratio of amino acid racemization. Archaeometry '90, Birkhauser Verlag Basel, 627. Csapó, J., Tóth-Pósfai, I. and Csapó-Kiss, Zs. 1990b: Separation of D- and L-amino acids by ion exchange column chromatography in the fönn of 2-sulfonilic acid alanyi dipeptides. In Lubec,G. and Rosenthal,G.A. (Eds): Amino Acids. Chemistry, Biology and Medicine. ESCOM Sei. Publ. B.V. 96. Csapó, J., Tóth-Pósfai, I. and Csapó-Kiss, Zs. 1991a: Separation of D- and L-amino acids by ion exchange column chromatography in the form of alanyi dipeptides. Amino Acids, 1. 331. Csapó, J. and Henics, Z. 1991b: Quantitative determination of bacterial protein from the diaminopimelic acid and D-alanine content of rumen liquor and intestines. Acta Agronomica Hungarica, 40. 159. Csapó, J., Folestad, S., Tivesten, A. and Csapó-Kiss, Zs. 1994: Mercaptoethanesulfonic acid as a protecting and hydrolysing agent for the determination of the amino acid composition of proteins using an elevated temperature for protein hydrolysis. Analytica Chimica Acta, 289. 1. 105-111. Einarsson, S., Josefsson, В., Möller, P. and Sanchez, D. 1987: Separation of amino acid enantiomers and chiral amines using precolumn derivatization with (+)-l-(946