Thursday, November 8, 2007: 8:30 AM-11:00 AM
Room 355 D (Salt Palace Convention Center)

Interfacial Phenomena (01c)

#527 - Colloidal Assembly and Fabrication I (01C15)
Recent advances in synthesis techniques and computation are enabling colloidal particles to be treated like "smart atoms", and the result is the bottom-up synthesis of structures that resemble actual molecules. Colloidal crystals, dipoles, stars, and other shapes have been created, and new shapes are being conceived and modeled computationally. This symposium will consist of papers demonstrating colloidal assemblies that contain significant information (fluorescent groups, targeting particles), complexity (e.g., shape, core-shell, biological-particle constructs), assembly forces (magnetics, receptor-ligand, complementary DNA), and functionality (environmental remediation, optical properties). Topics will include site-specific chemistry (e.g., electrostatic forces, DNA, protein-mediated), modeling (e.g., Monte Carlo, Stokesian dynamics), characterization (e.g., confocal microscopy, electron microscopy, AFM), and applications (e.g., drug delivery, robotics, environmental, medical, electronic).
Chair:Ilona Kretzschmar
CoChair:Michael A. Bevan
8:30 AM527aEquilibrium Crystallization of Attractive Colloids on Energetically Patterned Surfaces
Michael A. Bevan, Gregory E. Fernandes
8:50 AM527bManipulation And Assembly Of Colloidal Particles Into Quasicrystals Via Dielectrophoresis
Yingxi Elaine Zhu, Peter Hoffman, Prasad Sarangapani
9:10 AM527cCrystal Structures Of Dipolar Colloids And Binary Hard- And Charged Spheres
Antti-Pekka Hynninen, Athanassios Z. Panagiotopoulos
9:30 AM527dSwitching the Aggregation of Nanoparticles by pH Dependent Conformational Transitions of a Self-Assembled Polypeptide
Vinay K. Gupta, Jeung-Yeop Shim, David Walker
9:50 AM527eCylindrical Particles At Fluid Interfaces: Controlling Orientation And Assembly
Eric Lewandowski, Kathleen J. Stebe, Peter C. Searson
10:10 AM527fFabrication of High-Quality Non-Close-Packed 2D Colloid Crystals by Template-Guided Langmuir-Blodgett Particle Deposition
Jaehyun Hur, You-Yeon Won
10:30 AM527gShear-Aligned Assembly Of Colloidal Photonic Crystals
Peng Jiang, Chih-Hung Sun, Nicholas Linn, Srinivasan Venkatesh

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