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. 2018 Jun 9;8(6):418. doi: 10.3390/nano8060418

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Left: Scheme of the angular-resolved polarized SERS of aminobenzenothiol immobilized on gold nanospheres. Right: Observed depolarization ratio ( $η)$ profile. The solid lines represent different $η$ profiles simulated for different $θ_{c a p}$ angles. Adapted with permission from [113]. Copyright 2012 American Chemical Society.