A Nano-Biohybrid-Based Bio-Solar Cell to Regulate the Electrical Signal Transmission to Living Cells for Biomedical Application

© 2023 Wiley-VCH GmbH.

Détails bibliographiques
Publié dans:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 41 vom: 26. Okt., Seite e2303125
Auteur principal: Lim, Joungpyo (Auteur)
Autres auteurs: Shin, Minkyu, Ha, Taehyung, Su, Wei Wen, Yoon, Jinho, Choi, Jeong-Woo
Format: Article en ligne
Langue:English
Publié: 2023
Accès à la collection:Advanced materials (Deerfield Beach, Fla.)
Sujets:Journal Article Ni/TiO2 nanoparticles bacteriorhodopsin bio-solar cells biomedical applications chlorophyllin nano-biohybrids titanium dioxide 15FIX9V2JP Bacteriorhodopsins plus... 53026-44-1 Titanium D1JT611TNE
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520 |a Bio-solar cells are studied as sustainable and biocompatible energy sources with significant potential for biomedical applications. However, they are composed of light-harvesting biomolecules with narrow absorption wavelengths and weak transient photocurrent generation. In this study, a nano-biohybrid-based bio-solar cell composed of bacteriorhodopsin, chlorophyllin, and Ni/TiO2 nanoparticles is developed to overcome the current limitations and verify the possibility of biomedical applications. Bacteriorhodopsin and chlorophyllin are introduced as light-harvesting biomolecules to broaden the absorption wavelength. As a photocatalyst, Ni/TiO2 nanoparticles are introduced to generate a photocurrent and amplify the photocurrent generated by the biomolecules. The developed bio-solar cell absorbs a broad range of visible wavelengths and generates an amplified stationary photocurrent density (152.6 nA cm-2 ) with a long lifetime (up to 1 month). Besides, the electrophysiological signals of muscle cells at neuromuscular junctions are precisely regulated by motor neurons excited by the photocurrent of the bio-solar cell, indicating that the bio-solar cell can control living cells by signal transmission through other types of living cells. The proposed nano-biohybrid-based bio-solar cell can be used as a sustainable and biocompatible energy source for the development of wearable and implantable biodevices and bioelectronic medicines for humans 
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650 4 |a nano-biohybrids 
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700 1 |a Shin, Minkyu  |e verfasserin  |4 aut 
700 1 |a Ha, Taehyung  |e verfasserin  |4 aut 
700 1 |a Su, Wei Wen  |e verfasserin  |4 aut 
700 1 |a Yoon, Jinho  |e verfasserin  |4 aut 
700 1 |a Choi, Jeong-Woo  |e verfasserin  |4 aut 
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