Conclusion
A novel 1,2-indanedione-based bi-functional reagent was
designed and successfully synthesized by a high yielding, concise,
5-step protocol. Eccrine-rich, sebum-rich, and uncharged (fingerprints
that were not intentionally coated) latent fingerprints were
all developed with this reagent in a modified MMD protocol. In all
cases, positive images on paper substrates were obtained, strongly
suggesting the novel bi-functional reagent’s efficiency in detecting
fingerprint residues that contain both sweat (eccrine gland secretions
or amino acids) and oily substances (sebaceous secretions).
This reagent could be used as an alternative or in conjugation with
other bi-functional reagents in cases where sensitivity poses an
issue. Further studies regarding the effect of the side chain length,
AuNP dispersity, and optimization of the formulation protocol are
currently in progress.
ConclusionA novel 1,2-indanedione-based bi-functional reagent wasdesigned and successfully synthesized by a high yielding, concise,5-step protocol. Eccrine-rich, sebum-rich, and uncharged (fingerprintsthat were not intentionally coated) latent fingerprints wereall developed with this reagent in a modified MMD protocol. In allcases, positive images on paper substrates were obtained, stronglysuggesting the novel bi-functional reagent’s efficiency in detectingfingerprint residues that contain both sweat (eccrine gland secretionsor amino acids) and oily substances (sebaceous secretions).This reagent could be used as an alternative or in conjugation withother bi-functional reagents in cases where sensitivity poses anissue. Further studies regarding the effect of the side chain length,AuNP dispersity, and optimization of the formulation protocol arecurrently in progress.
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