The preparation of Ag nanoparticle-modified single-walled carbon nanotubes and their antibacterial activity.
The sidewall modified single-walled carbon nanotubes (SWNTs) with amino-containing substituents were prepared using the radicals generated by the photolysis of acetonitrile. A subsequent treatment of modified SWNTs with the Ag colloid gave an attachment of Ag nanoparticles on the surface of SWNTs through the functionalized linkages. The Ag nanoparticle-modified SWNTs evaluated by antibacterial tests showed strong activities against Escherichia coli and Staphylococcus aureus. However, the use of Ag nanoparticle-modified SWNTs on simulated body fluid exhibited weaker antibacterial activity.
Department of Chemistry, Tokyo Gakugei University, 4-1-1, Nukuikita-machi, Koganei, Tokyo 184-8501, Japan.
Tomomi
T
Kosaka
Akie
A
Ohgami
Takako
T
Nakamura
Tsuguyori
T
Ohana
Masatou
M
Ishihara
D000900:Anti-Bacterial Agents / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology*; D004926:Escherichia coli / Q000187:drug effects; D053768:Metal Nanoparticles / Q000737:chemistry / Q000648:ultrastructure; D008855:Microscopy, Electron, Scanning; D037742:Nanotubes, Carbon / Q000737:chemistry / Q000648:ultrastructure; D012834:Silver / Q000737:chemistry / Q000494:pharmacology*; D013057:Spectrum Analysis; D013211:Staphylococcus aureus / Q000187:drug effects
D000900:Anti-Bacterial Agents; D037742:Nanotubes, Carbon; D012834:Silver