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1,2‐indanedione is used for latent fingerprint visualization on porous surfaces. In this paper, fluorescence spectra of 1,2‐indanedione after reacting with 21 individual amino acids present in latent fingerprints residue were measured in water‐methanol solutions. The fluorescence intensity depends on the amino acid used, while the fluorescence peak does not change much. The concentration of amino acids in fingerprint residue in females is almost the double of their concentration in males. This property combined with fluorescence of 1,2‐indanedione‐amino acids compounds is used for gender determination, by comparing the fluorescence intensity peaks in the same experimental conditions. In this preliminary study, the fluorescence signal from the samples representing females was almost two times the signal for samples representing males. In addition to the reduction by almost 50% of the number of suspects in a criminal research case, these results could be helpful in gaining some knowledge about the papillary residue composition. 相似文献
283.
Jan Engberg 《International Journal for the Semiotics of Law》2009,22(2):223-243
The article investigates characteristics of legal concepts as found in academic articles, focusing upon the knowledge base
of legal experts. It is a cognitively oriented study of one of the semiotic basics of communication for academic legal purposes.
The purpose is to study the structure of knowledge elements connected to the concept of “Criminal liability of corporations”
from US law in and across individual experts in order to look for individual differences and similarities. The central concern
is to investigate the conditions for the observable efficiency of semiosis in academic discourse. In a first basic section
I discuss aspects relevant for a cognitively oriented study of academic discourse. The empirical part of the article consists
of an analysis of text passages from two articles in American law journals. The results of the study support the assumption
that high efficiency and precision of semiosis is due rather to the use of specific cognitive processing skills than to total
identity of cognitive structures across individual experts.
相似文献
Jan EngbergEmail: |
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David G. Becker Lawrence C. Mayer Jack Donnelly Jock Anderson Peter Hazell Jay Weinstein Fred M. Hayward Leon Zamosc Jan Knippers Black Jacquline A. Braveboy-Wagner Jeff Brannon George W. Grayson M. Francis Abraham Warren C. Robinson Claude E. Welch Leslie Anderson Juan M. del Aguila Cornelia Flora 《Studies in Comparative International Development (SCID)》1991,26(3):88-127
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International Journal for the Semiotics of Law - Revue internationale de Sémiotique juridique - 相似文献
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