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An antimicrobial-surface kinetic test which maximizes probability of cell-to-surface contact has been developed. The measurement of rate of kill by a nonleaching antimicrobial surface is based on the number of surviving bacterial cells at specific times of exposure to various amounts of total treated surface area of test substrate. This method gives information for direct comparison of rate of ...
1 STRUCTURE OF THE CS1 PILUS OF ENTEROTOXIGENIC ESCHERICHIA COLI 1 REVEALS STRUCTURAL POLYMORPHISM 2 3 Running title: Structure of the ETEC CS1 pilus 4 5 Vitold E. Galkin*, Subramaniapillai Kolappan, Dixon Ng, ZuSheng Zong, Juliana Li, 6 Xiong Yu, Edward H. Egelman and Lisa Craig* 7 8 Department of Biochemistry and Molecular Genetics, University of Virginia Medical Center, 9 Charlottesville, Vi...
We report that planar chiral structures affect the polarization state of light in a manner similar to three-dimensional chiral (optical active) media. In experiments with artificial metal-on-silicon chiral planar gratings of 442 wallpaper group symmetry, containing millions of chiral elements per square centimeter, we observed rotation of the polarization azimuth in excess of 30 degrees of ligh...
Enhancement of polarization and related properties in heteroepitaxially constrained thin films of the ferroelectromagnet, BiFeO3, is reported. Structure analysis indicates that the crystal structure of film is monoclinic in contrast to bulk, which is rhombohedral. The films display a room-temperature spontaneous polarization (50 to 60 microcoulombs per square centimeter) almost an order of magn...
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