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Chemicals, plastics and rubber industries

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Excitation wavelength dependence of solvation dynamics in a supramolecular assembly: PEO-PPO-PEO triblock copolymer and SDS

Article Abstract:

Femtosecond upconversion is used to study the excitation wavelength dependence of the solvation dynamics of coumarin 480 (C480) in a triblock copolymer [(PEO).sub.20]-[(PPO).sub.70]-[(PEO).sub.20] (P123)-sodium dodecyl sulfate (SDS) aggregate. The magnitude of the [[lambda].sub.ex] dependence in P123-SDS is shown to be much smaller than that of P123 micelle, thus providing better insights on the difference between the properties of the core and the corona region than static absorption and emission spectra.

Author: Bhattacharyya, Kankan, Mondal, Sudip Kumar, Ghosh, Subhadip, Dey, Shantanu, Adhikari, Aniruddha, Mandal, Ujjwal
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2007
All Other Basic Inorganic Chemical Manufacturing, Potassium & Sodium Compounds, Sodium & Sodium Compounds, Sodium compounds, Block copolymers

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Solvation dynamics of a protein in the pre molten globule state

Article Abstract:

Two compact denatured states of glutaminyl-tRNA synthetase (GInRS) under equilibrium conditions in the presence of a naturally occurring osmolyte, L-glutamate are characterized. Dynamic light scattering studies reveal that both the compact denatured states are aggregated under the measurement conditions.

Author: Bhattacharyya, Kankan, Sahu, Kalyanasis, Mondal, Sudip Kumar, Samaddar, Soma, Mandal, Amit Kumar, Roy, Siddhartha
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
Science & research, Research, Glutamate, Transfer RNA, Light scattering

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Femtosecond solvation dynamics in a neat ionic liquid and ionic liquid microemulsion: excitation wavelength dependence

Article Abstract:

The article explains the solvation dynamics in a neat ionic liquid (IL) and its microemulsions. The dynamics is found to be highly dependent on the excitation wavelength and the structural heterogeneity of the IL.

Author: Bhattacharyya, Kankan, Sahu, Kalyanasis, Ghosh, Subhadip, Dey, Shantanu, Adhikari, Aniruddha, Mandal, Ujjwal
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2007
Spectra, Ionic solutions, Absorption spectra, Wavelength

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Subjects list: Analysis, Coumarins, Structure, Chemical properties
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