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Displaying 39551 - 39575 of 73697

High Throughput Measurements of Polymer Fluids for Formulations

January 1, 2004
Author(s)
Kathryn Beers, J Cabral, H J. Walls, Eric J. Amis
Rapid prototyping of microfluidic handling devices has gained popularity due to the ability to quickly test and modify new design features several times in one day. At the NIST Combinatorial Methods Center (NCMC), we have modified common microfluidic

Imaging Cells on Polymer Spherulites

January 1, 2004
Author(s)
Carl G. Simon Jr.
Polymers are one of the many materials used to fabricate tissue engineered medical products (Ratner et al., 1996). Polymer processing methods, such as how monomers are converted to polymers or how polymers are formed into products, can drastically affect

Imaging Material Components of an Integrated Circuit Interconnect

January 1, 2004
Author(s)
Zachary H. Levine, Steven E. Grantham, D J. Paterson, I McNulty, I C. Noyan, T M. Levin
Two regions of interest on a copper/tungsten integrated circuit interconnect were imaged using two techniques: (a) the absorption spectrum was measured at 15 x-ray energies between 1687 eV and 1897 eV; and (b) the x-ray fluorescence spectrum was recorded

In Vitro Biocompatibility of Hydrolytically Degraded Poly(d,l-lactic acid)

January 1, 2004
Author(s)
S Yoneda, William F. Guthrie, David S. Bright, C A. Khatri, Francis W. Wang
n order to investigate the effects of hydrolytic degradation on the biocompatibility of poly(d,l-lactic acid) [P(d,l-LA)], the initial attachment of MC3T3-E1 osteoblast-like cells on various degraded P(d,l-LA) disks was assessed. MC3T3-E1 cells were seeded

In-Vitro Contact Wear of Dental Composites

January 1, 2004
Author(s)
V S. Nagarajan, S Jahanmir, V P. Thompson
Three commercial dental composites with filler loading of 75-76 wt% were evaluated. The wear results were compared with those reported in an earlier study on a highly filled composite containing predominately alumino-silicate glass fillers and alumina at a
Displaying 39551 - 39575 of 73697
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