Effects of subzero temperatures on fluorescent probes sequestered within aerosol-OT reverse micelles

Chase A. Munson; Gary A. Baker; Sheila N. Baker; Frank V. Bright

doi:10.1021/la0302753

Effects of subzero temperatures on fluorescent probes sequestered within aerosol-OT reverse micelles

Chase A. Munson
, Gary A. Baker
, Sheila N. Baker
, Frank V. Bright

Chemistry

University at Buffalo

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

34 Scopus citations

Abstract

We report on the effects of temperature (+30 to - 100°C) and water loading on the steady-state fluorescence from four fluorescent probe molecules when they are sequestered within the interior of sodium bis(2-ethyl-1-hexyl) sulfosuccinate (Aerosol OT, AOT) reverse micelles. Each probe locates itself to different average microenvironments within the reverse micelle, and these individual microenvironments behave differently to changes in the molar ratio of water-to-AOT (R) and temperature. Changes in probe steady-state fluorescence emission spectra or fluorescence anisotropy indicate that "freezing" occurs within the water pool at temperatures between -10 and - 60°C. The lowest freezing points are generally observed at the lowest R values.

Original language	English
Pages (from-to)	1551-1557
Number of pages	7
Journal	Langmuir
Volume	20
Issue number	5
DOIs	https://doi.org/10.1021/la0302753
State	Published - Mar 2 2004

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title = "Effects of subzero temperatures on fluorescent probes sequestered within aerosol-OT reverse micelles",

abstract = "We report on the effects of temperature (+30 to - 100°C) and water loading on the steady-state fluorescence from four fluorescent probe molecules when they are sequestered within the interior of sodium bis(2-ethyl-1-hexyl) sulfosuccinate (Aerosol OT, AOT) reverse micelles. Each probe locates itself to different average microenvironments within the reverse micelle, and these individual microenvironments behave differently to changes in the molar ratio of water-to-AOT (R) and temperature. Changes in probe steady-state fluorescence emission spectra or fluorescence anisotropy indicate that {"}freezing{"} occurs within the water pool at temperatures between -10 and - 60°C. The lowest freezing points are generally observed at the lowest R values.",

author = "Munson, \{Chase A.\} and Baker, \{Gary A.\} and Baker, \{Sheila N.\} and Bright, \{Frank V.\}",

year = "2004",

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doi = "10.1021/la0302753",

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journal = "Langmuir",

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T1 - Effects of subzero temperatures on fluorescent probes sequestered within aerosol-OT reverse micelles

AU - Munson, Chase A.

AU - Baker, Gary A.

AU - Baker, Sheila N.

AU - Bright, Frank V.

PY - 2004/3/2

Y1 - 2004/3/2

N2 - We report on the effects of temperature (+30 to - 100°C) and water loading on the steady-state fluorescence from four fluorescent probe molecules when they are sequestered within the interior of sodium bis(2-ethyl-1-hexyl) sulfosuccinate (Aerosol OT, AOT) reverse micelles. Each probe locates itself to different average microenvironments within the reverse micelle, and these individual microenvironments behave differently to changes in the molar ratio of water-to-AOT (R) and temperature. Changes in probe steady-state fluorescence emission spectra or fluorescence anisotropy indicate that "freezing" occurs within the water pool at temperatures between -10 and - 60°C. The lowest freezing points are generally observed at the lowest R values.

AB - We report on the effects of temperature (+30 to - 100°C) and water loading on the steady-state fluorescence from four fluorescent probe molecules when they are sequestered within the interior of sodium bis(2-ethyl-1-hexyl) sulfosuccinate (Aerosol OT, AOT) reverse micelles. Each probe locates itself to different average microenvironments within the reverse micelle, and these individual microenvironments behave differently to changes in the molar ratio of water-to-AOT (R) and temperature. Changes in probe steady-state fluorescence emission spectra or fluorescence anisotropy indicate that "freezing" occurs within the water pool at temperatures between -10 and - 60°C. The lowest freezing points are generally observed at the lowest R values.

UR - https://www.scopus.com/pages/publications/1542345397

U2 - 10.1021/la0302753

DO - 10.1021/la0302753

M3 - Article

SN - 0743-7463

VL - 20

SP - 1551

EP - 1557

JO - Langmuir

JF - Langmuir

IS - 5

ER -

Effects of subzero temperatures on fluorescent probes sequestered within aerosol-OT reverse micelles

Abstract

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