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dc.contributor.authorWaranya Ratirotjanakulen_US
dc.contributor.authorTanapon Sioloetwongen_US
dc.contributor.authorTeeraporn Suteewongen_US
dc.contributor.authorPramuan Tangboriboonraten_US
dc.contributor.otherKing Mongkut's Institute of Technology Ladkrabangen_US
dc.contributor.otherMahidol Universityen_US
dc.identifier.citationMaterials Science Forum. Vol.928 MSF, (2018), 89-93en_US
dc.description.abstract© 2018 Trans Tech Publications, Switzerland. A novel, simple and environmental friendly approach to fabricate silver nanoparticles (AgNPs) on mesoporous silica nanoparticles (MSNs) using tyrosine (Tyr) as biological reducing agent was developed. The functionalization of Tyr with MSNs (Tyr-MSNs) (150 nm in length) by the sol-gel process was confirmed by the characteristic peaks of amino, carboxyl and silanol groups appeared in FTIR spectrum and the change of the zeta potential from 0 mV at pH 2 to -60 mV at pH 12. Then, AgNPs were formed on the surface of Tyr-MSNs (Tyr-MSN@AgNPs) via only reducibility from phenolic group of Tyr and catalytic activity from base at room temperature. TEM images and UV-Visible absorption band at 420 nm supported the obtained AgNPs (18 nm at pH 11) were tightly bound to Tyr-MSNs even after centrifugation at high speed. These Tyr-MSN@AgNPs would be potentially used as drug carrier in biomedical applications.en_US
dc.rightsMahidol Universityen_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysics and Astronomyen_US
dc.titleGreen synthesis of AgNPs coated mesoporous silica nanoparticles using tyrosine as reducing/stabilising agenten_US
dc.typeConference Paperen_US
Appears in Collections:Scopus 2018

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