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Optical sensing and biosensing based on non-spherical noble metal nanoparticles

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Abstract

Non-spherical noble metal nanoparticles (NPs) have widely tunable localized surface plasmon resonance, very high extinction coefficient, and strongly facet-dependent adsorption/binding properties. A few non-spherical noble metal NPs have been employed as reporters and/or modulators for various optical sensing. This review summarizes recent progress in the study of design, performance, and application of colorimetric and fluorescent sensing/biosensing systems based on three kinds of non-spherical noble metal NPs with different dimension, namely, one- (or quasi-one) dimensional nanorods, two-dimensional nanoplates, and three-dimensional nanodendritics; furthermore, the future developments in this research area are also discussed.

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Acknowledgments

This work is financially supported by the National Natural Science Foundation of China (nos. 21275001 and 21422501).

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  1. Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, China

    Yunsheng Xia

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Published in the topical collection featuring Young Investigators in Analytical and Bioanalytical Science with guest editors S. Daunert, A. Baeumner, S. Deo, J. Ruiz Encinar, and L. Zhang.

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Xia, Y. Optical sensing and biosensing based on non-spherical noble metal nanoparticles. Anal Bioanal Chem 408, 2813–2825 (2016). https://doi.org/10.1007/s00216-015-9203-3

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