Browsing by Author "Walser, Gabriele Sabine"
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Item Biofilm surface positioning(1990) Lewandowski, Zbigniew; Walser, Gabriele Sabine; Larsen, R. W.; Peyton, Brent M.; Characklis, William G.Item Reaction kinetics in biofilms(1991-10) Lewandowski, Zbigniew; Walser, Gabriele Sabine; Characklis, William G.A novel in situ microtechnique allows evaluating parameters of diffusion-controlled reactions in biofilms. A microprobe, 15 μm in diameter, was used to simultaneously measure the dissolved oxygen concentration and the optical density at different depths in a submerged biofilm. Based on the results, the biofilm diffusion coefficient for dissolved oxygen, Df the dissolved oxygen flux through the biofilm surface, J02, and the half velocity coefficient, Ks, have been calculated.Item Thickness and density measurements in biofilm with a fiber optic sensor(Montana State University - Bozeman, College of Engineering, 1990) Walser, Gabriele Sabine