New Photochrome Probe Allows Simultaneous pH and Microviscosity Sensing

Yuanyuan Wu; Vladislav Papper; Oleksandr Pokholenko; Vladimir Kharlanov; Yubin Zhou; Terry W.J. Steele; Robert S. Marks

doi:10.1007/s10895-015-1577-2

New Photochrome Probe Allows Simultaneous pH and Microviscosity Sensing

Yuanyuan Wu, Vladislav Papper, Oleksandr Pokholenko, Vladimir Kharlanov, Yubin Zhou, Terry W.J. Steele, Robert S. Marks

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

4 Scopus citations

Abstract

4-N,N′-dimethylamino-4′-N′-stilbenemaleamic acid (DASMA), a unique molecular photochrome probe that exhibits solubility and retains trans-cis photoisomerisation in a wide range of organic solvents and aqueous pH environments, was prepared, purified and chemically characterised. Absorption, fluorescence excitation and emission spectra and constant-illumination fluorescence decay were measured in acetonitrile, dimethyl sulfoxide, ethanol, propylene carbonate, and aqueous glycerol mixtures. The pseudo-first-order fluorescence decay rates were found to be strongly dependent on the medium viscosity. In addition, the molecule exhibited the pH-dependent fluorescence and photoisomerisation kinetics.

Original language	English
Pages (from-to)	961-972
Number of pages	12
Journal	Journal of Fluorescence
Volume	25
Issue number	4
DOIs	https://doi.org/10.1007/s10895-015-1577-2
State	Published - 13 Jul 2015
Externally published	Yes

Keywords

Fluorescence
Intramolecular charge transfer
Maleamic acid
Microviscosity
Photochrome probe
Photoisomerisation
Stilbene
Viscosity sensor
pH sensor

ASJC Scopus subject areas

Biochemistry
Spectroscopy
Clinical Biochemistry

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10.1007/s10895-015-1577-2

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title = "New Photochrome Probe Allows Simultaneous pH and Microviscosity Sensing",

abstract = "4-N,N′-dimethylamino-4′-N′-stilbenemaleamic acid (DASMA), a unique molecular photochrome probe that exhibits solubility and retains trans-cis photoisomerisation in a wide range of organic solvents and aqueous pH environments, was prepared, purified and chemically characterised. Absorption, fluorescence excitation and emission spectra and constant-illumination fluorescence decay were measured in acetonitrile, dimethyl sulfoxide, ethanol, propylene carbonate, and aqueous glycerol mixtures. The pseudo-first-order fluorescence decay rates were found to be strongly dependent on the medium viscosity. In addition, the molecule exhibited the pH-dependent fluorescence and photoisomerisation kinetics.",

keywords = "Fluorescence, Intramolecular charge transfer, Maleamic acid, Microviscosity, Photochrome probe, Photoisomerisation, Stilbene, Viscosity sensor, pH sensor",

author = "Yuanyuan Wu and Vladislav Papper and Oleksandr Pokholenko and Vladimir Kharlanov and Yubin Zhou and Steele, {Terry W.J.} and Marks, {Robert S.}",

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doi = "10.1007/s10895-015-1577-2",

language = "English",

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TY - JOUR

T1 - New Photochrome Probe Allows Simultaneous pH and Microviscosity Sensing

AU - Wu, Yuanyuan

AU - Papper, Vladislav

AU - Pokholenko, Oleksandr

AU - Kharlanov, Vladimir

AU - Zhou, Yubin

AU - Steele, Terry W.J.

AU - Marks, Robert S.

PY - 2015/7/13

Y1 - 2015/7/13

N2 - 4-N,N′-dimethylamino-4′-N′-stilbenemaleamic acid (DASMA), a unique molecular photochrome probe that exhibits solubility and retains trans-cis photoisomerisation in a wide range of organic solvents and aqueous pH environments, was prepared, purified and chemically characterised. Absorption, fluorescence excitation and emission spectra and constant-illumination fluorescence decay were measured in acetonitrile, dimethyl sulfoxide, ethanol, propylene carbonate, and aqueous glycerol mixtures. The pseudo-first-order fluorescence decay rates were found to be strongly dependent on the medium viscosity. In addition, the molecule exhibited the pH-dependent fluorescence and photoisomerisation kinetics.

AB - 4-N,N′-dimethylamino-4′-N′-stilbenemaleamic acid (DASMA), a unique molecular photochrome probe that exhibits solubility and retains trans-cis photoisomerisation in a wide range of organic solvents and aqueous pH environments, was prepared, purified and chemically characterised. Absorption, fluorescence excitation and emission spectra and constant-illumination fluorescence decay were measured in acetonitrile, dimethyl sulfoxide, ethanol, propylene carbonate, and aqueous glycerol mixtures. The pseudo-first-order fluorescence decay rates were found to be strongly dependent on the medium viscosity. In addition, the molecule exhibited the pH-dependent fluorescence and photoisomerisation kinetics.

KW - Fluorescence

KW - Intramolecular charge transfer

KW - Maleamic acid

KW - Microviscosity

KW - Photochrome probe

KW - Photoisomerisation

KW - Stilbene

KW - Viscosity sensor

KW - pH sensor

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U2 - 10.1007/s10895-015-1577-2

DO - 10.1007/s10895-015-1577-2

M3 - Article

AN - SCOPUS:84938952207

SN - 1053-0509

VL - 25

SP - 961

EP - 972

JO - Journal of Fluorescence

JF - Journal of Fluorescence

IS - 4

ER -

New Photochrome Probe Allows Simultaneous pH and Microviscosity Sensing

Abstract

Keywords

ASJC Scopus subject areas

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