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An electrochemical immunosensor was developed for sensitive assay of E. coli in urban sludge, in which electron mediator-mediated enzymatic catalysis and gold nanoparticles(AuNPs) were utilized for signal amplification. The immnuosensing platform chitosan-thionine(chit-thio)/poly(amidoamine) dendrimer-encapsulated AuNPs [PAMAM(Au)] composites were first prepared from chit-thio and PAMAM(Au) using...
In this paper, a 1.5-GS/s 5-bit interpolating analog-to-digital converter (ADC) with offset averaging and interpolating sharing resistors network (OAISRN) is presented. The proposed OAISRN is based on conventional flash ADC and the concept of zero crossing points in folding and interpolating architecture. In order to reduce power dissipation yet to make a high performance, it removes half of preamplifiers...
Aiming at the draws of traditional techno-method of slope protection, the porous eco-concrete is used to manage and protect the flooded soil slope in several projections. By the analysis of the strength, pH value, porosity, permeability coefficient and durability of the porous eco-concrete, it can be known that concrete can not only guarantee the structural security of the slope, but also keep an...
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