Publication

Cold and warm swelling of hydrophobic polymers

2001
Journal Articles

Abstract

The collapse of a polymer interacting with the solvent but without explicit monomer-monomer interactions are modeled with Hamiltonian. Such model depicts the behavior of hydrophobic polymers in water which found the presence of both cold and warm denaturation temperatures in some proteins and broadly thermosensitive homopolymers such as poly(N-isopropylacrylamide). When polymers are swollen in low and high temperature phases, there is an intermediate phase where the most favorable configurations are compact.

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2001
Journal Articles

Abstract

Official source

Related concepts (10)

Polymer

A polymer (ˈpɒlᵻmər; Greek poly-, "many" + -mer, "part") is a substance or material consisting of very large molecules called macromolecules, composed of many repeating subunits. Due to their broad spectrum of properties, both synthetic and natural polymers play essential and ubiquitous roles in everyday life. Polymers range from familiar synthetic plastics such as polystyrene to natural biopolymers such as DNA and proteins that are fundamental to biological structure and function.

Polymer physics

Polymer physics is the field of physics that studies polymers, their fluctuations, mechanical properties, as well as the kinetics of reactions involving degradation and polymerisation of polymers and monomers respectively. While it focuses on the perspective of condensed matter physics, polymer physics is originally a branch of statistical physics. Polymer physics and polymer chemistry are also related with the field of polymer science, where this is considered the applicative part of polymers.

Coil–globule transition

In polymer physics, the coil–globule transition is the collapse of a macromolecule from an expanded coil state through an ideal coil state to a collapsed globule state, or vice versa. The coil–globule transition is of importance in biology due to the presence of coil-globule transitions in biological macromolecules such as proteins and DNA. It is also analogous with the swelling behavior of a crosslinked polymer gel and is thus of interest in biomedical engineering for controlled drug delivery.

Related publications (1)

Cold and warm swelling of hydrophobic polymers

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