19-22 October 2011
Hotel Roanoke, Roanoke VA
US/Eastern timezone
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Pac-Man: Lock and Key Colloid Particles

21 Oct 2011, 18:00
2h
Roanoke Foyer (Hotel Roanoke, Roanoke VA)

Roanoke Foyer

Hotel Roanoke, Roanoke VA

Speaker

Ashley Taylor (Winston Salem State University)

Description

The lock and key models using Pac-man particles is an alternative identification mechanism for directing the assembly of combined structures. The system was guided by Fischer's lock-and-key principle which consisted of colloidal spheres as keys and monodisperse colloidal particles with a spherical cavity as locks that bind. What makes this so specific is the fact that the assembly is controlled by how closely the size of a spherical colloidal key particle matches the radius of the spherical cavity of the lock particle. Viscosity measurements were also looked at because nano-particles are known to change the resistance of the fluid.

Co-authors

David Pine (New York University) Lei Zhang (Winston Salem State University) Stefano Sacanna (New York University)

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