EM - IUEM - Técnicas Laboratoriais Forenses
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Browsing EM - IUEM - Técnicas Laboratoriais Forenses by Author "Adelantado Sánchez, Carlos"
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- Use of aspartic acid racemization in fingerprints as a molecular clockPublication . Adelantado Sánchez, Carlos; Quintas, Alexandre; Soeiro, RitaAspartic acid is the chemical, amongst amino acids, whose racemization process is considered to be the fastest and the most reliable way to conduct an ageing study in some living-being tissues. Racemization is a natural-occurring event in which L-stereoisomer of aspartic acid is converted into D-stereoisomer in an equilibrium dependent on factors namely pH, environmental conditions and, most critically, on temperature.