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. 2018 Sep 24;19(10):2896. doi: 10.3390/ijms19102896

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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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MIMO lipoamide (MIMO@LA): A versatile building block for the construction of synthetic gold-based biomaterials. (a) Strategy for MIMO@LA synthesis (DIEA: diisopropylethylamine; DMF: N,N-dimethylformamide; experimental conditions are reported in Section 3.1). (b) Immobilization of MIMO@LA on gold electrode affords a redox active interface. (c) Conjugation to gold nanoparticles (AuNPs) gives a catalytic system for substrate oxidation. The oxidation of the chromogenic substrate 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) to ABTS radical cation (ABTS^●+) is reported as an example.