NEW COLORIMETRIC AND FLUORESCENT CHEMOSENSORS BASED ON DIPYRROMETHENE DYES

Synthetic bis(dipyrromethene)s (H2L) is very promising compounds to create sensory systems due to a combination of spectral-luminescent and chelating properties which sensitive to structural and solvation effects. Reactions of H2L·2HBr salts with amines are accompanied by changes in the color of the solution and a clear show a transformations of H4L2+ salt spec-trum in the H2L spectrum with a large (about 40 nm) difference between maxima of their in-tense bands which allows the use of 3,3'-bis(dipyrromethene) salts as colorimetric chemosen-sors of amines with sensitivity of detection upto 1·10–8 mol/l. The basis for the development of applied directions of using 3,3-bis(dipyrromethene)s as a fluorescent chemosensors of Zn2+, Cd2+ and Hg2+ ions is the bright coloristic effects, accompanying reactions of H2L with Zn(II), Cd(II) and Hg(II) salts, and significant differences in quantitative characteristics of the spec-tra of the complexes [M2L2] and ligands. Reactions of Zn(II), Cd(II) and Hg(II) salts with a weakly fluorescent bis(dipyrromethene) sensors are accompanied by the buildup (in 25–550 times) of fluorescence. The high sensitivity of fluorescence of d10-metal [M2L2] helikates to the properties of the environment became the basis for the development of the direction of creat-ing fluorescent temperature sensors. The observed effect of the temperature dependence of fluorescence quantum yield of ethanol solutions of [Zn2L2] complexes is interest for the control of temperature (300–80 K). This is important in the development of cryostats or determining temperature of biomaterials cooled in them.

Key words: bis(dipyrromethene), amine, zinc, cadmium, mercury, colorimetric sensor, fluores-cent sensor, temperature sensor

REFERENCES
1. Dudina N.A., Antina E.V., Guseva G.B. // Koord. Khim. 2011. V. 37. N 5. P. 331–340. DOI: 10.1134/ S1070328411040026 (in Russian).
2. Dudina N.A., Antina E.V., Guseva G.B., Vyugin A.I.// J. Fluoresc. 2014. V. 24. P. 13–17. DOI 10.1007/s10895-013-1278-7.
3. Antina E.B., Guseva G.B., Dudina N.A., V’yugin A.I. // Zhurn. Neorg. Khim.. 2010. V. 55. N 8. P. 1246–1252. DOI: 10.1134/S0036023610080036 (in Russian).
4. Dudina N.A., Antina E.V., Guseva G.B., V’yugin A.I., Semeikin A.S. // Zhurn. Org. Khim. 2013. V. 49. N 12.
P. 1754–1759. DOI: 10.1134/S107042801312004X (in Russian).
5. Dudina N.A., Antina E.V., Sozonov D.I., V’yugin A.I. // Zhurn. Org. Khim. 2015. V. 51. N 8. P. 1174–1180. DOI: 10.1134/S107042801508014X (in Russian).
6. Antina E.V., Guseva G.B., Dudina N.A., V’yugin A.I., Semeikin A.S. // Zhurn. Obshch. Khim. 2009. V. 79. N 11. P. 1903–1912. DOI: 10.1134/S1070363209110243 (in Russian).
7. Antina E.V., Berezin M.B., Dudina N.A., Guseva G.B., Antina L.A., V’yugin A.I. // Zhurn. Obshch. Khim.. 2010. V. 80. N 6. P. 1048–1050. DOI: 10.1134/S1070363210060332 (in Russian).
8. Li J., Yin C., Huo F. // Dyes and Pigments. 2016. V. 131. P. 100–133. DOI: 10.1016/j.dyepig.2016.03.043.
9. Kuznetsova R.T., Kopylova T.N., Maer G.V., Sikors-kaya O.O., Ermolina E.G., Guseva G.B., Antina L.A. // Optika i Spektroskopiya. 2011. V. 110. N 3. P. 420–427. DOI: 10.1134/S0030400X11030155 (in Russian).

2016, Т. 59, № 6, Стр. 16-21

Purchase

You will get the pdf-copy of your article by e-mail