https://scholars.lib.ntu.edu.tw/handle/123456789/391330
Title: | Mesoporous europium-doped titania nanoparticles (Eu-MTNs) for luminescence-based intracellular bio-imaging | Authors: | Chen, K.-C. Dutta, S. Yamauchi, Y. Alshehri, S.M. Nguyen, M.T. Yonezawa, T. Shen, K.-H. Wu, K.C.-W. KEVIN CHIA-WEN WU |
Keywords: | Bio-imaging; Europium; Mesoporous; Nanoparticles; Titania | Issue Date: | 2015 | Journal Volume: | 15 | Journal Issue: | 12 | Start page/Pages: | 9802-9806 | Source: | Journal of Nanoscience and Nanotechnology | Abstract: | Monodisperse and mesoporous europium (Eu)-doped titania nanoparticles (denoted as Eu-MTNs) were prepared by a co-synthesis method with the presence of a cationic surfactant (i.e., CTAB). A maximum loading amount of 8 mol% of Eu could be successfully incorporated into the framework of MTNs. The synthesized Eu-MTNs samples were characterized with X-ray diffraction (XRD) and scanning electron microscopy (SEM), with their luminescent property examined by photoluminescence (PL). Under ultraviolet irradiation, the Eu-MTNs samples exhibit several characteristic luminescence corresponding to 5D0-7Fj for Eu+3 ions, which can be attributed to the energy transfer from titania nanocrystallite to Eu3+ ions dispersed in amorphous mesoporous titania region. The potential intracellular bio-imaging application of the synthesized Eu-MTN nanoparticles was demonstrated with a breast cancer cell line (i.e., BT-20). High biocompatibility and strong luminescence of the Eu-MTNs show great potential in biomedical applications. Copyright ? 2015 American Scientific Publishers All rights reserved. |
URI: | http://www.scopus.com/inward/record.url?eid=2-s2.0-84956636007&partnerID=MN8TOARS http://scholars.lib.ntu.edu.tw/handle/123456789/391330 |
DOI: | 10.1166/jnn.2015.12329 | SDG/Keyword: | Biocompatibility; Cationic surfactants; Cell culture; Dyes; Energy transfer; Luminescence; Medical applications; Medical imaging; Mesoporous materials; Nanoparticles; Scanning electron microscopy; Synthesis (chemical); Titanium dioxide; X ray diffraction; Bio-imaging; Biomedical applications; Breast cancer cells; Luminescent property; Mesoporous; Strong luminescence; Titania; Ultraviolet irradiations; Europium; europium; nanoparticle; titanium; chemistry; luminescence; molecular imaging; procedures; scanning electron microscopy; X ray diffraction; Europium; Luminescence; Luminescent Measurements; Microscopy, Electron, Scanning; Molecular Imaging; Nanoparticles; Titanium; X-Ray Diffraction |
Appears in Collections: | 化學工程學系 |
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