Ontology highlight
ABSTRACT:
SUBMITTER: Xu J
PROVIDER: S-EPMC3220666 | biostudies-literature | 2011 Oct
REPOSITORIES: biostudies-literature
Xu Jianquan J Sun Lei L Li Jun J Liang Jinglun J Zhang Huimao H Yang Wensheng W
Nanoscale research letters 20111025 1
The performance of fluorescein isothiocyanate (FITC) and tris(1, 10-phenanathroline) ruthenium ion (Ru(phen)32+) co-doped silica particles as pH indicator was evaluated. The emission intensity ratios of the pH sensitive dye (FITC) and the reference dye (Ru(phen)32+) in the particles were dependent on pH of the environment. The changes in emission intensity ratios of the two dyes under different pH could be measured under single excitation wavelength and readily visualized by naked eye under a 36 ...[more]