연구단보: 신규 설계된 Cyclic Nitronate 염료분자의 분광특성과 잠재지문 현출성에 대한 접근
Technical Note : Spectroscopic Character of New Designed Cyclic Nitronate Dye Molecules, and Approach for the Detectability of Latent Fingerprints
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초록
새로운 이중성 fluoran leuco 계 염료로서 cyclic nitronate 유도체 (A 및 C) 를 Me too approach 방법 으로 설계하였다 . 이 염료 분자 (C1) 는 분광 특성으로 장 파장 (λ em. 850 nm) 영역에서 형광발광 (S 0 → S 1 ; π* → π) 과 큰 anti-Stokes shift interval ( Δ λ) 을 나타내었다 . 또한 , 소수성 C 분자에 의한 잠재지문 현출반응 과 관련된 소수성과 전산화학적인 방법에 따른 표적분자 간 FMO energy 차이 ( Δ E) 의 비교로부터 , C1 분자에 대한 반응성은 아미노산 (P) 이 지방산 (F) 보다 큰 경향이었다 . 그러므로 염료 (C1) 분자는 ninhydrin 대체 제로는 물론 , 감열지에서 소수성적인 친화력으로 최적화된 anti-Stokes shift 지문 현출제로 적합 할 것으로 예상되었다 .
Abstract
As a new amphoteric fluoran leuco family dye, the cyclic nitronates (A & C) are designed by Me too approach method. This dye molecule (C1) showed the fluorescence emission light (S 0 →S 1 ; π*→π) and large anti-Stokes shift interval ( Δ λ) in the long wavelength region (λ em . 850 nm) as spectroscopic character. Furthermore, from the comparison of hydrophobic and target intermolecular FMO energy differences ( Δ E) according to the computational chemistry method associated with the latent fingerprint detectable reaction by hydrophobic C molecule, reactivity to the C1 molecule was a tendency for amino acids (P) to be greater than fatty acids (F). Therefore, the dye (C1) molecules were predicted to suitable as a substitute agent for ninhydrin, as well as an anti-Stokes shift fingerprinting agent optimized for hydrophobic affinity on the thermal paper.
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