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Highly selective fluorescence detection of Cu 2+ based on Schiff base functionalized periodic mesoporous organosilicas
- Source :
- Luminescence. 36:951-957
- Publication Year :
- 2021
- Publisher :
- Wiley, 2021.
-
Abstract
- A novel copper ion sensing periodic mesoporous organosilica (SCN-PMO) was obtained by incorporating a Schiff base-based fluorescent receptor into the pore walls of mesoporous silica, which exhibited a well ordered mesoporous structure and excellent optical properties demonstrated by various characterization results. SCN-PMO possessed high selectivity and sensitivity towards Cu2+ based on its specific fluorescence response. The detection limit of SCN-PMO could be as low as 6.7 × 10-7 M. Due to protection of the silica network, SCN chromophores in PMOs exhibited higher photostability and the resulting material possessed great repeatability. Additionally, the fluorescence changes of SCN-PMO towards copper ions in vivo (zebrafish) showed that SCN-PMO has potential application as a nanoprobe in biological fields.
- Subjects :
- Detection limit
endocrine system
animal structures
Schiff base
Materials science
010401 analytical chemistry
Biophysics
Nanoprobe
chemistry.chemical_element
02 engineering and technology
Mesoporous silica
021001 nanoscience & nanotechnology
Photochemistry
01 natural sciences
Fluorescence
Copper
0104 chemical sciences
Mesoporous organosilica
chemistry.chemical_compound
nervous system
chemistry
Chemistry (miscellaneous)
sense organs
0210 nano-technology
Mesoporous material
Subjects
Details
- ISSN :
- 15227243 and 15227235
- Volume :
- 36
- Database :
- OpenAIRE
- Journal :
- Luminescence
- Accession number :
- edsair.doi...........4899c9ff479af306a26f2276e5cfde5f