Photochemical reaction of poly(ethylene glycol) on gold nanorods induced by near infrared pulsed-laser irradiation

Shuji Yamashita, Yasuro Niidome, Yoshiki Katayama, Takuro Niidome

    Research output: Contribution to journalArticlepeer-review

    25 Citations (Scopus)

    Abstract

    Pulsed-laser irradiation induced release of modified PEG chains on gold nanorods. A maximum release efficiency of 65% is obtained. The efficient release was occurred by combination of cleavage of Au-S bonds, the fragmentation of PEG chains, and the decrease of the surface area. CW-laser irradiation did not release any PEG chains; however, it was effective to increase temperature of the nanorod solution.

    Original languageEnglish
    Pages (from-to)226-227
    Number of pages2
    JournalChemistry Letters
    Volume38
    Issue number3
    DOIs
    Publication statusPublished - 2009

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)

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