期刊
EUROPEAN POLYMER JOURNAL
卷 60, 期 -, 页码 106-113出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2014.08.022
关键词
Graphene oxide; Gold nanoparticles; Non-charged polypeptide; Poly(L-proline)
资金
- Ministry of Education through the HRAKLITOS II program - Operational Program and Initial Educational Vocational Training-EPEAEK
- European Social Funds
- University at Buffalo
Nanocomposite materials derived from carbon/polymer hybrids and metallic nanoparticles are of great interest due to the wide spectrum of potential applications. In this work, the biocompatible, non-charged and independent of pH, water soluble polypeptide, poly (L-proline) (PLP), was covalently grafted on exfoliated graphene oxide (GO) by a 'grafting to' approach, through the ring opening reaction of the surface epoxide species, enabling thus the simultaneous reduction and stabilization of as-synthesized gold nanoparticles in water in one-step, without any toxic by-product formation. The PLP-mediated GO nanocomposites serve as a new scaffold for metallic particles supported on a carbon matrix through the polypeptide mediation, and could give rise to multiple applications, in catalysis and cancer therapies. (C) 2014 Elsevier Ltd. All rights reserved.
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