Using cytochrome c3 to make selenium nanowires

Abdesselam Abdelouas, Weiliang Lang Gong, Werner Lutze, John Allen Shelnutt, Ricardo Franco, Isabel Moura

Research output: Contribution to journalArticlepeer-review

89 Citations (Scopus)

Abstract

We report on a new method to make nanostructures in aqueous solution at room temperature. We used the protein cytochrome c3 to catalyze reduction of selenate (SeO42-) to selenium Se0 by dithionite. Reduction was instantaneous. After a week spherical nanoparticles of red Se0 (about 50 nm diameter) precipitated, followed by self-assembling into crystalline nanowires, typically 1 μm long. The nanowires were composed of one strand of spherical particles; thicker strands contained several nanoparticles in parallel.

Original languageEnglish
Pages (from-to)1510-1512
Number of pages3
JournalChemistry Of Materials
Volume12
Issue number6
DOIs
Publication statusPublished - Jun 2000

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