Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation
Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation
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DOI:
10.1039/b600926c
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发表时间:
2006-01-01
影响因子:
4.9
通讯作者:
Prasad, PN
中科院分区:
文献类型:
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作者:
Kim, S;Pudavar, HE;Prasad, PN
Basic dye-concentrated nanoparticles (similar to 33 nm in diameter) show fluorescence-based ratiometric pH response, by one- and two-photon excitations, with improved proton sensing ability (pK(a)similar to 6.4) through nanoscopic intraparticle energy transfer.