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. 2019 Aug 6;9(8):1131. doi: 10.3390/nano9081131

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© 2019 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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Wound healing ability of GNR of different surface modifications towards human dermal fibroblasts at different times of incubations. PEG-GNR, PAA-GNR and NH₂-GNR enhanced the wound healing of scratched fibroblasts after 24 h of incubation compared to control, while BSA-GNR significantly retarded the wound healing of fibroblasts after 24 h and 48 h of incubation.