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Induced pH-dependent shift by local surface plasmon resonance in functionalized gold nanorods

Yon-Rui Toh1, Pyng Yu1*, Xiaoming Wen1, Jau Tang1* and Tao-shih Hsieh2

Author Affiliations

1 Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan

2 Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, Taiwan

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Nanoscale Research Letters 2013, 8:103  doi:10.1186/1556-276X-8-103

Published: 22 February 2013

Additional files

Additional file 1: Figures S1 to S3:

Figure S1. X-ray photoelectron spectroscopy (XPS) high-resolution spectra of C (1s) and S (2p) for MUA (a and b). Figure S2. (a) UV-visible-IR extinction spectra of representative GNR-MUA added with NaCl. (b) The dependence of the LSPR shift upon the concentration of NaCl. Figure S3. Reversibility of LSPR shift from unwashed GNR-MUA between pH 6.31 and 10.65.

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