Publication

Viscoelastic characterization of HEMA-DMHA hydrogels.

2014
Student Projects

Abstract

The goal of this project is determination of viscoelastic properties (creep, relaxation, and dissipation) of biodegradable HEMA-based (hydroxyethyl methacrylate) hydrogels. The viscoelastic characterization will be done under compression as well as shear (rheology). HEMA hydrogels are hydrophobic biocompatible hydrogels with high mechanical and viscoelastic properties. The mechanical properties and permeability of these hydrogels can be tuned by controlling the water concentration and cross-linker during polymerisation. The hydrogels will be polymerized via one step UV polymerization. The proposed hydrogels are developing for drug delivery applications. In the next step the characterization of the mesh size of the hydrogels and swelling properties is demanded. This project provides comprehensive experimental work in characterization of hydrogels for biomedical applications.

Official source

https://infoscience.epfl.ch/entities/publication/74807fff-b966-40e9-948e-c83fe9736b63

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2014
Student Projects

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/74807fff-b966-40e9-948e-c83fe9736b63

About this result

Related concepts (32)

Polymerization

In polymer chemistry, polymerization (American English), or polymerisation (British English), is a process of reacting monomer molecules together in a chemical reaction to form polymer chains or three-dimensional networks. There are many forms of polymerization and different systems exist to categorize them. In chemical compounds, polymerization can occur via a variety of reaction mechanisms that vary in complexity due to the functional groups present in the reactants and their inherent steric effects.

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.

Rheology

Rheology (riːˈɒlədʒi; ) is the study of the flow of matter, primarily in a fluid (liquid or gas) state, but also as "soft solids" or solids under conditions in which they respond with plastic flow rather than deforming elastically in response to an applied force. Rheology is a branch of physics, and it is the science that deals with the deformation and flow of materials, both solids and liquids. The term rheology was coined by Eugene C. Bingham, a professor at Lafayette College, in 1920, from a suggestion by a colleague, Markus Reiner.

Related publications (32)

Viscoelastic characterization of HEMA-DMHA hydrogels.

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