Optically active sum frequency generation from molecules with a chiral center: amino acids as model systems.

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Journal of the American Chemical Society. 2004 Nov 24;126(46):15008-9. doi: 10.1021/ja045708i

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Ji N, Shen Y

Note: Research in this publication was not performed at Janelia.

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Abstract

With amino acids as model systems, optically active sum frequency generation (OA-SFG) was used to probe the chirality of molecules with a chiral center and an intrinsically achiral chromophore in isotropic solution for the first time. Like that of circular dichroism (CD), the OA-SFG’s near electronic resonance originates from the extrachromophoric chiral perturbation on the carboxyl chromophore. The difference in the relative strengths of OA-SFG and CD among different amino acids can be explained by the difference in the details of perturbations.

PMID: 15547980 [PubMed - indexed for MEDLINE]

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Optically active sum frequency generation from molecules with a chiral center: amino acids as model systems.

Note: Research in this publication was not performed at Janelia.

Abstract

PMID: 15547980 [PubMed - indexed for MEDLINE]

Janelia Authors