(Received 26 May 1998; accepted 20 September 1999)
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The design of chemical compounds for development of latent fingerprints is explored computationally. Our main findings are: (a) We show why past attempts to improve the widely used ninhydrin gave relatively small improvements (referring to color only). The optical transition is connected with a “transition core” and therefore is influenced little by substitution on the aromatic rings. (b) We propose new analogues of ninhydrin with a significant potential such as thiono derivatives.
Division of Identification and Forensic Science, Israel Police, Jerusalem,
Hebrew University, Givat Ram, Jerusalem,
Stock #: JFS14767J