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- Title
Surface modification of YAG:Ce nanoparticles by poly(acrylic acid) and their biological application.
- Authors
Asakura, Ryo; Isobe, Tetsuhiko
- Abstract
Yttrium aluminum garnet Y3Al5O12 (YAG):Ce3+ nanoparticles prepared by glycothermal method are modified with poly(acrylic acid) (PAA). This surface modification enables YAG:Ce3+ nanoparticles to be well dispersed in phosphate-buffered saline (PBS) without any serious aggregation. YAG:Ce3+ nanoparticles emit yellowish green light under the excitation of blue light. This fluorescent property does not change after the modification of PAA. Streptavidin (SA) is immobilized on the surface of PAA-modified YAG:Ce3+ nanoparticles by using carboxyl groups of PAA as cross-linking sites. We demonstrate the quantitative analysis of bovine serum albumin in PBS by SA-immobilized YAG:Ce3+ nanoparticles.
- Subjects
YTTRIUM aluminum garnet; YTTRIUM compounds synthesis; NANOPARTICLE synthesis; POLYACRYLIC acid; STREPTAVIDIN; SERUM albumin; BIOMATERIALS
- Publication
Journal of Materials Science, 2013, Vol 48, Issue 23, p8228
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-013-7634-9