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|Title: ||Racemization of aspartic acid from human dentin in the estimation of chronological age|
|Authors: ||Yekkala, R.|
van Schepdael, A.
|Issue Date: ||2006|
|Publisher: ||ELSEVIER IRELAND LTD|
|Citation: ||Forensic science international, 159(S1). p. S89-S94|
|Abstract: ||The estimation of chronological age in cadavers, human remains and in living human beings by various methods is discussed. These methods, which are based on the age dependent non-enzymatic changes of l-form amino acids to d-form amino acids, mainly aspartic acid, are among the most reliable and accurate methods to date. Most of these methods use gas chromatography (GC). In this review, results of aspartic acid racemization in dentin at different targets are discussed. In addition, pre-considerations and guidelines are given for the selection of dentin from teeth. A pilot project was run to evaluate the efficiency of high performance liquid chromatography (HPLC) coupled with fluorescence detection. New buffer conditions were found to obtain stable derivatives of aspartic acid enantiomers for the estimation of racemization.|
|ISI #: ||000237598700019|
|Type: ||Journal Contribution|
|Appears in Collections: ||Research publications|
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