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. 2017 Mar 10;7:44555. doi: 10.1038/srep44555

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(A) The LSPR extinction spectra of SA-GNU in the presence of different concentrations of glycerol in water as measured by the conventional UV-Vis spectrometer. (B) The LSPR peak shift of the SA-GNU extinction spectra as a function of the refractive index of the medium.