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Displaying 1751 - 1775 of 1882

Organic-Inorganic Hybrid Particles by Dendrimer Nanotemplating

January 1, 2001
Author(s)
F Gruhn, Barry J. Bauer, Eric J. Amis
Poly(amidoamine) (PAMAM) dendrimers are used to create organic-inorganic hybrid colloids in aqueous solution. The formation of gold colloids upon reduction of a gold salt precursor serves as a model reaction to study the influence of reaction conditions

Small-Angle Neutron Scattering From Metal Ion-Containing PAMAMOS Dendrimer Networks

January 1, 2001
Author(s)
Robert A. Bubeck, Barry J. Bauer, P Dvornic, M J. Owen, S Reeves, P Parkham, L W. Hoffman
There is considerable interest in the development of nanocomposites based on dendrimers as host matrices. The intent is to take advantage of functionalized dendrimer interiors that can complex with an added constituent, resulting in nanocomposites for

Structured Polymeric Templates: Combinatorial Probes for Cellular Response

January 1, 2001
Author(s)
A Sehgal, Jack F. Douglas, Francis W. Wang, Carl G. Simon Jr., Alamgir Karim, Eric J. Amis
Novel high-throughput gradient methods have been developed to generate a range of surface structures by dewetting and phase separation on chemically patterned substrates. The research is motivated by an increasing awareness in the biomedical industry and

Temperature Monitoring of Capillary Rheometry Using a Fluorescence Technique

January 1, 2001
Author(s)
Anthony J. Bur, S C. Roth, H Lobo
A non-contact temperature monitoring technique based on fluorescence spectroscopy was used to measure the temperature of a polymer resin during capillary rheometry testing. Polyethylene doped with a fluorescent dye, perylene, was used in experiments that

SANS Study of Sulfonate End Group Effect on Polystyrene Self-Diffusion

October 1, 2000
Author(s)
S D. Kim, A Klein, L H. Sperling, E M. Boczar, Barry J. Bauer
Film formation from a latex involves interdiffusion of the polymer chains. The interdiffusion behavior of polystyrene with H-ends, one sulfite-end, and two sulfite-ends are compared via small-angle neutron scattering (SANS) and a direct nonradiative energy

Scanning Near-Field Infrared Microscopy and Spectroscopy With a Broadband Laser Source

October 1, 2000
Author(s)
Chris A. Michaels, Stephan J. Stranick, Lee J. Richter, Richard R. Cavanagh
A scanning near-field microscopy that allows the fast acquisition of mid-infrared absorption spectra is described. The microscope couples the nanoscale spatial resolution of a scanning probe microscope with the chemical specificity of vibrational
Displaying 1751 - 1775 of 1882