2011
DOI: 10.1039/c1cc11308a
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A highly selective colorimetric and ratiometric fluorescent chemodosimeter for imaging fluoride ions in living cells

Abstract: A simple but highly selective colorimetric and ratiometric fluorescent chemodosimeter was designed and synthesized to detect fluoride ions (F(-)) in aqueous solution and living cells by virtue of the strong affinity of F(-) toward silicon.

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Cited by 177 publications
(88 citation statements)
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“…13 The calculated emission band of the desilylation product DBMO was also located at 520 nm. As previously discussed, the relatively more red-shifted emission band for DBMO was attributed to the more obvious ICT process 7,11,52 in the S 1 -S 0 transition process compared with the S 1 -S 0 transition process in DBM. Based on this result, DBM can act as colorimetric and ratiometric fluorescent chemosensor for fluoride anion.…”
Section: First Excited-state Geometries and Sensing Mechanismmentioning
confidence: 51%
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“…13 The calculated emission band of the desilylation product DBMO was also located at 520 nm. As previously discussed, the relatively more red-shifted emission band for DBMO was attributed to the more obvious ICT process 7,11,52 in the S 1 -S 0 transition process compared with the S 1 -S 0 transition process in DBM. Based on this result, DBM can act as colorimetric and ratiometric fluorescent chemosensor for fluoride anion.…”
Section: First Excited-state Geometries and Sensing Mechanismmentioning
confidence: 51%
“…Given the obvious ICT character of the first excited state of DBMO, its UV-vis absorption spectra and fluorescence emission spectra distinctly red shifted compared with DBM. 11,52 Thus, DBM is an excellent candidate for a colorimetric and ratiometric fluorescent chemosensor for fluoride anions.…”
Section: First Excited-state Geometries and Sensing Mechanismmentioning
confidence: 99%
See 1 more Smart Citation
“…Like many previously reported ratiometric fluorescent chemosensors based on the fluoride-triggered Si-O cleavage reaction [2,3,6,18,20], the chemosensor TBS-NA also has the potential as a ratiometric fluorescent chemosensor. In order to understand the sensing mechanism of TBS-NA in detail, we carried out the DFT/TD-DFT calculations in the present study to investigate the ground-and the excitedstate properties.…”
Section: Introductionmentioning
confidence: 97%
“…In recent years, a number of chemosensors for fluoride anion have been developed [1][2][3][4][5][6][7] due to the considerable significant role of fluoride to health, environment and industrial processes [8][9][10]. Among these chemosensors, ratiometric chemosensors with intrinsic advantages of taking the intensity ratio at two different absorption or emission wavelengths [6] can circumvent the effects of various interference factors, such as polarity, probe molecule concentration, photo-illumination and the microenvironment around the probe molecule [11].…”
Section: Introductionmentioning
confidence: 99%