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Controlling The Size And Shape Of Polypeptide Colloidal Particles: Temperature Dependence Of Particle Formation, John P. Gavin, Nolan B. Holland, Kiril A. Streletzky
Controlling The Size And Shape Of Polypeptide Colloidal Particles: Temperature Dependence Of Particle Formation, John P. Gavin, Nolan B. Holland, Kiril A. Streletzky
Undergraduate Research Posters 2013
A promising approach for developing new drug delivery vehicles is by using stimuli responsive hydrogel nanoparticles. Polypeptide surfactants designed in our lab have been shown to form micellar particles of varying sizes and shapes depending on the solution salt concentration. These responsive polypeptide surfactants consist of a small charged protein domain (foldon) with three elastin-like polypeptide (ELP) chains forming a three-armed star polymer. The size and shape of the micelles they form is dependent on the ratio of total ELP volume to head group area. By introducing linear ELP into the ELP-foldon solution, the total volume of ELP in the …