| silica particles |
Stöber, naphthalimide,
and sulforhodamine B |
core–shell NPs, ratiometric |
(471) |
| rhodamine B isothiocyanate |
mechanism of pH sensitivity
remains unclear |
(743) |
| microemulsion, FITC and Ru(bipy)32+
|
ratiometric imaging |
(744, 745) |
| microemulsion, FITC and
Ru(phen)32+
|
core shell, ratiometric
imaging |
(746) |
| HPTS-polyelectrolyte-SiNPs,
rhodamine B SiNPs |
raspberry-like assembly
of the two SiNPs |
(747) |
| poly(ethylene glycol) or
hyaluronic acid coated SiNPs |
increase of colloidal stability |
(748) |
| zeolite core, silica shell,
Stöber, fluorescein |
ratiometric |
(436) |
| ormosil
NPs, naphthalenylvinylpyridine |
two-photon active |
(526) |
| spirorhodamineamide |
different particle architectures
investigated |
(459) |
| core–shell SiNPs,
acridine orange |
linear
calibration |
(749) |
| core–shell SiNPs,
reverse microemulsion; HPTS |
indicator physically entrapped
in the shell; works in the pH range from 5.5 to 9.0 |
(750) |
| modified Stöber,
fluorescein, tetramethylrhodamine |
core–shell NPs, ratiometric
imaging |
(751) |
| imidazolium salicylaldehyde
ionic liquid Schiff base immobilized on SiNPs |
60-fold intensity increase
as the pH value increases from 5 to 11; method also applied to the
determination of ammonia |
(752) |
| mesoporous
silica nanoparticles |
fluorescein and rhodamine
B |
charge neither
affected
pH response nor cellular uptake, but localization |
(753) |
| fluorescein and rhodamine
B |
FRET-based |
(618) |
| fluorescein and Texas red |
cell permeable |
(754) |
| hollow
MSiNPs |
extended pH
range |
(755) |
| MSiNPs pores blocked by
polyethylenimine |
targeting
mitochondria |
(756) |
