Engineering conductive protein films through nanoscale self-assembly and gold nanoparticles doping
Entity
UAM. Departamento de Química Analítica y Análisis InstrumentalPublisher
Royal Soc ChemistryDate
2021-04-14Citation
10.1039/d1nr00238d
Nanoscale 13 .14 (2021): 6772 - 6779
ISSN
2040-3364DOI
10.1039/d1nr00238dFunded by
This work was partially supported by the European Research Council ERC-CoG-648071-ProNANO, ERC-PoC-841063-NIMM, Agencia Estatal de Investigación, Spain (PID2019- 111649RB-I00; and MAT2017-88693-R), and the Basque Government (Elkartek KK-2017/00008), E.L-M thanks the Spanish Ministry of Science and Innovation for the FPI grant (BES-2017-079646). This work was performed under the Maria de Maeztu Units of Excellence Program from the Spanish State Research Agency – Grant No. MDM-2017-0720 (CIC biomaGUNE) and SEV-2016-0686 (IMDEA Nanociencia)Project
info:eu-repo/grantAgreement/EC/H2020/648071//ProNANO; Gobierno de España. PID2019- 111649RB-I00; Gobierno de España. MAT2017-88693-R; Gobierno de España. SEV-2016-0686; info:eu-repo/grantAgreement/EC/H2020/841063//NIMMEditor's Version
http:\\doi.org\10.1039/d1nr00238dSubjects
QuímicaRights
© The Royal Society of Chemistry 2021Abstract
Protein-based materials are usually considered as insulators, although conductivity has been recently shown in proteins. This fact opens the door to develop new biocompatible conductive materials. While there are emerging efforts in this area, there is an open challenge related to the limited conductivity of protein-based systems. This work shows a novel approach to tune the charge transport properties of protein-based materials by using electron-dense AuNPs. Two strategies are combined in a unique way to generate the conductive solid films: (1) the controlled self-assembly of a protein building block; (2) the templating of AuNPs by the engineered building block. This bottom-up approach allows controlling the structure of the films and the distribution of the AuNPs within, leading to enhanced conductivity. This work illustrates a promising strategy for the development of effective hybrid protein-based bioelectrical materials
Files in this item
Google Scholar:Mejias, Sara H.
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López-Martínez, Elena
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Fernandez, Maxence
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Couleaud, Pierre
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Martin-Lasanta, Ana
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Romera, David
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Sanchez-Iglesias, Ana
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Casado, Santiago
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Osorio, Manuel R.
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Abad, Jose M.
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González, M. Teresa
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Cortajarena, Aitziber L.
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