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Title: Selective Labeling and Decoration of the Ends and Sidewalls of Single-Walled Carbon Nanotubes Using Mono- and Bispecific Solid-Binding Fluorescent Proteins

Journal Article · · Bioconjugate Chemistry

Simple and robust strategies for the noncovalent functionalization of carbon nanostructures with proteins are of considerable interest in hybrid nanomaterials synthesis, part-to-part assembly, and biosensor development. Here, we show that fusion of the Car9 and Car15 carbon-binding peptides to the C-termini of the sfGFP and mCherry fluorescent proteins enables selective labeling of the ends or the sidewalls of single walled carbon nanotubes. By installing a gold-binding peptide or a single cysteine residue in carbon-binding variants of sfGFP, we further produce heterobifunctional solid-binding proteins that support the decoration of nanotubes sidewalls or termini with gold nanoparticles. The approach described here is generic and should prove useful for the controlled assembly of other hybrid materials.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). The Center for the Science of Synthesis Across Scales (CSSAS); Univ. of Washington, Seattle, WA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0019288
OSTI ID:
1566482
Alternate ID(s):
OSTI ID: 1596004
Journal Information:
Bioconjugate Chemistry, Vol. 30, Issue 3; ISSN 1043-1802
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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Cited By (1)

S-Layer Protein Coated Carbon Nanotubes journal August 2019