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Characterization of hydrophobized pullulan with various hydrophobicities

International Journal of Pharmaceutics, 2003
In this study, we prepared self-assembling nanospheres of hydrophobized pullulan. Pullulan acetate (PA), as hydrophobized pullulan, was synthesized by the acetylation of pullulan. PA derivatives were synthesized by changing the degree of acetylation.
Sun-Woong, Jung   +2 more
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Hydrophobicity of benzene

Biophysical Chemistry, 1999
The present work tries to clarify the molecular origin of the poor solubility of benzene in water. The transfer of benzene from pure liquid phase into water is dissected in two processes: transfer from gas phase to pure liquid benzene; and transfer from gas phase to liquid water.
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Hydrophobic Interactions

Angewandte Chemie International Edition in English, 1967
AbstractRecent advances in theoretical and experimental studies of hydrophobic interactions are reviewed. The theory of water structure as applied to hydrophobic bonding, theoretical estimates for the free energy of unfolding of proteins, and the statistical mechanical theory of hydrophobic bonding in polyamino acids are summarized.
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Hydrophobic Interaction Chromatography

2010
Most proteins and large polypeptides have hydrophobic regions at their surface. These hydrophobic "patches" are due to the presence of the side chains of hydrophobic or nonpolar amino acids such as phenylalanine, tryptophan, alanine, and methionine. These surface hydrophobic regions are interspersed between more hydrophilic or polar regions and the ...
Philip M, Cummins, Brendan F, O'Connor
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Are Buckyballs Hydrophobic?

The Journal of Physical Chemistry B, 2014
Buckyballs exhibit two seemingly opposing characters. On one hand, they are known to be insoluble in water with all potential chemical properties of being hydrophobic. On the other hand, their pairwise effective interaction in water includes a repulsive solvent-induced contribution.
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Adsorption of Hydrophobically Modified 6-Carboxypullulan on a Hydrophobic Surface

Macromolecules, 1999
New amphiphilic (hydrophobically modified, HM) polymers based on 6-carboxypullulan were synthesized. The reaction chosen was amidation of carboxyl groups via a carbodiimide and was carried out in an organic solvent (DMSO) to ensure random substitution.
Paris, E., Cohen Stuart, M.A.
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Microplastics as a vector of hydrophobic contaminants: Importance of hydrophobic additives

Integrated Environmental Assessment and Management, 2017
Abstract   Despite a recent boom in research on the environmental fate, distribution, and harmful effects of chemical substances associated with marine plastic debris, no consensus has been reached on whether chemicals originating from microplastics cause serious environmental harm.
Jung-Hwan, Kwon   +3 more
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