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Updated: May 31, 2026

06:24
Preparation of Nanoparticles for ToF-SIMS and XPS Analysis
Published on: September 13, 2020
Immobilization of folic acid on Eu3+-doped nanoporous silica spheres
Motohiro Tagaya1, Toshiyuki Ikoma, Tomohiko Yoshioka
1Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, O-okayama 2-12-1, Meguro-ku, Tokyo 152-8550, Japan. tagaya.m.aa@m.titech.ac.jp
Abstract:
Folic acid (FA) was immobilized on Eu(3+)-doped nanoporous silica spheres (Eu:NPSs) through mediation of the 3-aminopropyltriethoxysilane adlayer. The ordered nanopores of Eu:NPS were preserved by the immobilization. The FA-immobilized Eu:NPSs showed the characteristic photoluminescence peak due to interactions between the FA molecules and Eu(3+) ions, and highly dispersed stability in phosphate buffered saline.

