5 years ago

Controlling gold nanoparticle seeded growth in thermophilic ferritin protein templates

Controlling gold nanoparticle seeded growth in thermophilic ferritin protein templates
Ferritin protein cages provide templates for inorganic nanoparticle synthesis in more environmentally-friendly conditions. Thermophilic ferritin from Archaeoglobus fulgidus (AfFtn) has been shown to encapsulate pre-formed 6-nm gold nanoparticles (AuNPs) and template their further growth within its 8-nm cavity. In this study, we explore whether using a gold complex with electrostatic complementarity to the anionic ferritin cavity can promote efficient seeded nanoparticle growth. We also compare wt AfFtn and a closed pore mutant AfFtn to explore whether the ferritin pores influence final AuNP size.

Publisher URL: www.sciencedirect.com/science

DOI: S0162013417302246

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