Christine C Tsai

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The microbial role in mobilization of trace elements from land-applied wastewater sludge is not well-defined. Our study examined the leachability of trace elements (Cd, Cr, Cu, Mo, Ni, P, Pb, S, and Zn) from dewatered sludge as affected by treatments designed to alter microbial activity. Different levels of microbial activity were achieved by incubating(More)
Copolymers composed of polar and nonpolar blocks, when blended with a base polymer in low concentrations, migrate to the base polymer surface during and after fabrication. Migration of these surface modifying additives (SMAs) dramatically changes the outermost surface molecular layers that comprise the region that determines biocompatibility. The blood(More)
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