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The solid surface tension of titanium was varied by using organosilane monolayers of various terminations, minimising differences in other material properties. Both the quantity of Pseudomonas fluorescens biofilms grown on the modified surfaces, and the percentage of biofilm remaining after exposure to hydrodynamic shear stress, varied significantly as a(More)
We investigated the effect of high power ultrasound, at a frequency of 19 kHz, on the survival of bacteria, phytoplankton and zooplankton, in order to obtain estimates of effective exposure times and energy densities that could be applied to design of ultrasonic treatment systems for ballast water. Efficacy of ultrasonic treatment varied with the size of(More)
Acoustic pulses generated by an electrical discharge (pulsed acoustics) were investigated as a means for biofouling control in two test formats, viz. a 5/8" outside diameter titanium tube and a mockup heat exchanger. The pulsed acoustic device, when operated at 17 kV, demonstrated 95% inhibition of microfouling over a 20 ft length of titanium tube over a(More)
A method for patterning purple membrane on a substrate is described. This method involves the use of patterned self-assembled monolayers. The quantity of purple membrane adsorbed to glass terminated by various self-assembled monolayers was measured using angle resolved X-ray photoelectron spectroscopy. It was determined that purple membrane adsorbs to(More)
55d System size dependence of the free energy surface in cluster simulation of nucleation Isamu Kusaka 55g Bubble nucleation in micellar solution: A density functional study Pankaj A. Apte and Isamu Kusaka To Use this Index: Scroll down or use the bookmarks in the left-hand frame to move to a new location in this index. Click on a blue paper title to view(More)
A method for patterning different antibodies on polystyrene is described. The polystyrene surface is coated with a material resistant to antibody adsorption and the coating material is selectively removed from the region where antibody adsorption is desired, exposing clean polystyrene. Upon immersion of the substrate in antibody solution, antibodies adsorb(More)
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