Chiral Plasmonic Nanoparticle Assisted Raman Enantioselective Recognition | Zendy

Xueping Sun | Zendy; Huanjun Kong | Zendy; Qinghai Zhou | Zendy; Seiji Tsunega | Zendy; Xinling Liu | Zendy; Haifeng Yang | Zendy; RenHua Jin | Zendy

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Chiral Plasmonic Nanoparticle Assisted Raman Enantioselective Recognition

Author(s) -

Xueping Sun,

Huanjun Kong,

Qinghai Zhou,

Seiji Tsunega,

Xinling Liu,

Haifeng Yang,

RenHua Jin

Publication year - 2020

Publication title -

analytical chemistry

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 2.117

H-Index - 332

eISSN - 1520-6882

pISSN - 0003-2700

DOI - 10.1021/acs.analchem.0c01311

Subject(s) - chemistry , enantioselective synthesis , raman spectroscopy , raman scattering , chirality (physics) , nanoparticle , plasmon , enantiomer , raman optical activity , nanomaterials , plasmonic nanoparticles , nanotechnology , molecule , stereochemistry , organic chemistry , catalysis , optics , optoelectronics , materials science , quark , physics , chiral symmetry breaking , quantum mechanics , nambu–jona lasinio model

Au nanoparticles (NPs) labeled with the handedness tag of "d-" or "l-", which were detached from inorganic chiral silica, showed both intrinsic chirality and surface enhanced Raman scattering (SERS) activity. In the presence of these chiral Au substrates, it was found that the enantiomer of cystine with the same handedness tag of Au NPs would show stronger Raman scattering signal intensities than those of the enantiomer with the opposite tag, where the differences could be over three times. Consequently, this work afforded a novel enantioselective recognition method on ordinary Raman spectroscopy by using chiral plasmonic metallic nanomaterials.

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