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The bactericidal effect of carbon nanotube/agar composites irradiated with near-infrared light on Streptococcus mutans

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Title: The bactericidal effect of carbon nanotube/agar composites irradiated with near-infrared light on Streptococcus mutans
Authors: Akasaka, Tsukasa Browse this author →KAKEN DB
Matsuoka, Makoto Browse this author
Hashimoto, Takeshi Browse this author
Abe, Shigeaki Browse this author →KAKEN DB
Uo, Motohiro Browse this author →KAKEN DB
Watari, Fumio Browse this author →KAKEN DB
Keywords: Carbon nanotubes
Streptococcus mutans
bactericidal activity
near-infrared light
Issue Date: Oct-2010
Publisher: Elsevier
Journal Title: Materials Science and Engineering: B
Volume: 173
Issue: 1-3
Start Page: 187
End Page: 190
Publisher DOI: 10.1016/j.mseb.2010.01.001
Abstract: Dental caries are mainly associated with oral pathogens, and Streptococcus 2 mutans is a primary cariogenic organism. Many methods have been established to eliminate S. mutans from the oral cavity. This study aimed to evaluate the effect of carbon nanotube (CNT)/agar composites irradiated with near-infrared (NIR) light on S. mutans, as a potential photothermal antimicrobial nanotherapy. A colony-forming unit assay clearly showed that CNT/agar composites attain bactericidal activity after NIR light irradiation; this bactericidal activity is higher than that of graphite (GP)/agar and activated carbon (AC)/agar composites. Furthermore, it was observed that longer irradiation times immobilized S. mutans in the CNT/agar composite.
Type: article (author version)
URI: http://hdl.handle.net/2115/48564
Appears in Collections:歯学院・歯学研究院 (Graduate School of Dental Medicine / Faculty of Dental Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 赤坂 司

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