7-Alkoxy coumarins as fluorescence probes for microenvironments

K. Muthuramu; V. Ramamurthy

doi:10.1016/0047-2670(84)85026-1

7-Alkoxy coumarins as fluorescence probes for microenvironments

K. Muthuramu, V. Ramamurthy

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

7-Alkoxy and 4-methyl-7-alkoxy coumarins show solvent-dependent fluorescence emission. The monomeric fluorescence emission of these alkoxy coumarins was exploited as a probe to measure the surface polarity of the micelles formed by ionic (sodium dodecylsulphate and cetyltrimethyl-ammonium bromide) and non-ionic (Triton X-100) detergents. By comparing the solvent-dependent fluorescence of these alkoxy coumarins in various homogeneous solvents, the polarity of the micelles was determined qualitatively. All three micelles are more polar than hydrocarbon solvents but are less polar than water.

Original language	English (US)
Pages (from-to)	57-64
Number of pages	8
Journal	Journal of Photochemistry
Volume	26
Issue number	1
DOIs	https://doi.org/10.1016/0047-2670(84)85026-1
State	Published - Jul 1984
Externally published	Yes

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title = "7-Alkoxy coumarins as fluorescence probes for microenvironments",

abstract = "7-Alkoxy and 4-methyl-7-alkoxy coumarins show solvent-dependent fluorescence emission. The monomeric fluorescence emission of these alkoxy coumarins was exploited as a probe to measure the surface polarity of the micelles formed by ionic (sodium dodecylsulphate and cetyltrimethyl-ammonium bromide) and non-ionic (Triton X-100) detergents. By comparing the solvent-dependent fluorescence of these alkoxy coumarins in various homogeneous solvents, the polarity of the micelles was determined qualitatively. All three micelles are more polar than hydrocarbon solvents but are less polar than water.",

author = "K. Muthuramu and V. Ramamurthy",

note = "Funding Information: The Council of Scientific and Industrial Research, Government of India, is thanked for financial support and Professor P. Balaram is thanked for the kind use of the spectrofluorometer.",

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doi = "10.1016/0047-2670(84)85026-1",

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T1 - 7-Alkoxy coumarins as fluorescence probes for microenvironments

AU - Muthuramu, K.

AU - Ramamurthy, V.

N1 - Funding Information: The Council of Scientific and Industrial Research, Government of India, is thanked for financial support and Professor P. Balaram is thanked for the kind use of the spectrofluorometer.

PY - 1984/7

Y1 - 1984/7

N2 - 7-Alkoxy and 4-methyl-7-alkoxy coumarins show solvent-dependent fluorescence emission. The monomeric fluorescence emission of these alkoxy coumarins was exploited as a probe to measure the surface polarity of the micelles formed by ionic (sodium dodecylsulphate and cetyltrimethyl-ammonium bromide) and non-ionic (Triton X-100) detergents. By comparing the solvent-dependent fluorescence of these alkoxy coumarins in various homogeneous solvents, the polarity of the micelles was determined qualitatively. All three micelles are more polar than hydrocarbon solvents but are less polar than water.

AB - 7-Alkoxy and 4-methyl-7-alkoxy coumarins show solvent-dependent fluorescence emission. The monomeric fluorescence emission of these alkoxy coumarins was exploited as a probe to measure the surface polarity of the micelles formed by ionic (sodium dodecylsulphate and cetyltrimethyl-ammonium bromide) and non-ionic (Triton X-100) detergents. By comparing the solvent-dependent fluorescence of these alkoxy coumarins in various homogeneous solvents, the polarity of the micelles was determined qualitatively. All three micelles are more polar than hydrocarbon solvents but are less polar than water.

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JO - Journal of Photochemistry

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7-Alkoxy coumarins as fluorescence probes for microenvironments

Abstract

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