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Various types of protein-rich biomass were examined as selective and environment-friendly adsorbents for precious metal ions. In the presence of base metal ions, Au 3+ , Pd 2+ and Pt 4+ ions were selectively adsorbed to samples of protein-rich biomass. Among the biomass samples tested, egg-shell membrane exhibited the highest adsorption ability and had high selectivity for...
The degradation of the postharvest fungicide imazalil by the oxidative enzyme laccase was investigated in the presence of a reaction mediator (a laccase/mediator system). Of various natural mediators tested, imazalil was degraded most effectively in the presence of 4-hydroxybenzoic acid while the absence of a mediator resulted in no degradation. In this system, the mediator compound was oxidized by...
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