An Autonomous Phase Transition−Complexation/Decomplexation Polymer System with a Molecular Recognition Property

2006 ◽  
Vol 39 (7) ◽  
pp. 2614-2620 ◽  
Author(s):  
Hidenori Ohashi ◽  
Yoshie Hiraoka ◽  
Takeo Yamaguchi
Keyword(s):  
Phase Transition ◽  
Molecular Recognition ◽  
Polymer System ◽  
Recognition Property

Temperature-switched controlled release nanosystems based on molecular recognition and polymer phase transition

RSC Advances ◽  
2015 ◽  
Vol 5 (5) ◽  
pp. 3248-3259 ◽  
Author(s):  
Shao-Nan Lv ◽  
Chang-Jing Cheng ◽  
Ya-Ya Song ◽  
Zhi-Gang Zhao
Keyword(s):  
Phase Transition ◽  
Controlled Release ◽  
Molecular Recognition ◽  
Polymer Phase

Novel temperature-switched controlled release nanosystems based on molecular recognition of β-CD and thermosensitivity of PNIPAM phase transition of is developed.

Elastin-Like Polypeptides as Thermosensitive Polymer System

2014 ◽  
Vol 898 ◽  
pp. 296-299
Author(s):  
Xin Tang
Keyword(s):  
Phase Transition ◽  
Thermal Properties ◽  
Transition Temperature ◽  
Body Temperature ◽  
Chain Length ◽  
Polymer System ◽  
The Body ◽  
Thermosensitive Polymer ◽  
Inverse Transition Cycling ◽  
Inverse Transition

Thermo-responsive elastin-like polypeptides (ELPs) were successfully obtained by inverse transition cycling (ITC) and recursive directional ligation (RDL). Six ELPs displayed thermal properties, depending on their sequence and chain length. It was found that the ELP[KV8F-4 and ELP[KV8F-8 were effective as thermosensitive materials at the body temperature with phase transition temperature from 35 to 45oC.

Phase Transition Regulated by Photo-Controlled Molecular Recognition of Alpha- Cyclodextrin

2015 ◽  
Vol 19 (3) ◽  
pp. 282-288
Author(s):  
Jie Hu ◽  
Rong Zhao ◽  
Di Wang ◽  
Xinglong Xu ◽  
Xiaoping Chen ◽  
...  
Keyword(s):  
Phase Transition ◽  
Molecular Recognition

A square-shaped complex with an electron-acceptor ligand: unique cubic crystal symmetry and similarity to inorganic mineral katoite

CrystEngComm ◽  
2021 ◽  
Author(s):  
Kentaro Aoki ◽  
Kazuya Otsubo ◽  
Hiroshi Kitagawa
Keyword(s):  
Molecular Recognition ◽  
Electron Acceptor ◽  
Macrocyclic Complex ◽  
Macrocyclic Complexes ◽  
Crystal Symmetry ◽  
Cubic Crystal ◽  
Unique Structure ◽  
Inorganic Mineral ◽  
Significant Attention ◽  
Recognition Property

Square macrocyclic complexes have attracted significant attention due to their unique structure and molecular recognition property. Here we report a square macrocyclic complex using an electron-acceptor ligand N,N’-di(4-pyridyl)-1,4,5,8-naphthalenediimide (dpndi), [Pt(en)(dpndi)]4(SO4)4·20H2O...

Modulation of Solvation and Molecular Recognition of a Lipid Bilayer under Dynamical Phase Transition

ChemPhysChem ◽  
2018 ◽  
Vol 19 (20) ◽  
pp. 2709-2716 ◽  
Author(s):  
Priya Singh ◽  
Susobhan Choudhury ◽  
V. K. Sharma ◽  
S. Mitra ◽  
R. Mukhopadhyay ◽  
...  
Keyword(s):  
Phase Transition ◽  
Molecular Recognition ◽  
Lipid Bilayer ◽  
Dynamical Phase Transition ◽  
Dynamical Phase

Gating membranes for water treatment: detection and removal of trace Pb2+ ions based on molecular recognition and polymer phase transition

2013 ◽  
Vol 1 (34) ◽  
pp. 9659 ◽  
Author(s):  
Zhuang Liu ◽  
Feng Luo ◽  
Xiao-Jie Ju ◽  
Rui Xie ◽  
Yi-Meng Sun ◽  
...  
Keyword(s):  
Phase Transition ◽  
Water Treatment ◽  
Molecular Recognition ◽  
Polymer Phase

The Polyelectrolyte Brush: Poor Solvent

1991 ◽  
Vol 248 ◽  
Author(s):  
Richard S. Ross ◽  
Phil Pincus
Keyword(s):  
Phase Transition ◽  
Mean Field Theory ◽  
Mean Field ◽  
Polymer System ◽  
Polyelectrolyte Brush ◽  
The Poor ◽  
First Order Phase Transition ◽  
Poisson Boltzmann ◽  
Neutral Polymer ◽  
Poor Solvent

AbstractWe investigate the end grafted polyelectrolyte brush in the poor solvent regime of the corresponding neutral polymer system. Using Poisson-Boltzmann theory for the electrostatics and Flory-Huggins-mean-field theory for the excluded volume and Van-der-Waals-like monomer interactions, we find the existence of a first order phase transition to a collapsed state for moderate to highly charged polyelectrolytes in the poor solvent regime. Irreversibilities in the disjoining pressure between planar grafted surfaces are predicted. For polyelectrolytes grafted to spherical and cylindrical surfaces with small radii of curvature, the phase transition is predicted to become second order in the infinite molecular weight limit. A phase diagram for the entire poor solvent regime is given.

Synthesis of Nanogels of Poly Methyacrylic Acid Using Methyl Cellulose as a Template

2014 ◽  
Vol 787 ◽  
pp. 401-406
Author(s):  
Jun Li Zhang ◽  
Peng Wang ◽  
Dong An ◽  
Xue Ting Li ◽  
Qian Wu ◽  
...  
Keyword(s):  
Phase Transition ◽  
Transition Temperature ◽  
Phase Transition Temperature ◽  
Methacrylic Acid ◽  
Aqueous Media ◽  
Polymer System ◽  
Methyl Cellulose ◽  
Solution Temperature ◽  
Lower Phase ◽  
Lower Temperature

In recent decades, thermo sensitive polymer system has been intensively studied due to significant importance in fundamental studies and various applications. Methyl cellulose (MC) is a thermo sensitive natural polymer, having a phase transition temperature or a lower critical solution temperature of about 65 °C. When methacrylic acid (MAA) was added to the MC solution, the phase transition of MC occurred at a lower temperature less than 65°C, and a higher concentration of MAA leds to a lower phase transition temperature of MC. Based on the phase transition of MC solution triggered by MAA, the surfactant-free poly (methacrylic acid) nanogels were synthesized by using methyl cellulose as a template in an aqueous media. The resulting PMAA nanogels characterized by using dynamic light scattering (DLS) and Fourier Transform Infrared Spectroscopy (FTIR). The nanogels of poly methyacrylic acid (PMAA) were affected by the concentration of both MC and MAA. A higher concentration of MAA led to a higher polymerization rate, and the higher concentration of MC resulted in the formation of the samller size of PMAA nanogels.

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