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The use of ovalbumin (OVA)-immobilized layer-by-layer-assembled chitosan/polystyrene sulfonate membranes for the detection of hydrogen peroxide (H 2 O 2 ) at subpicomolar levels is reported. The detection of mercuric chloride (HgCl 2 ) and potassium iodide (KI) was also investigated. While the detection limits of HgCl 2 and KI remained in the micromolar concentration...
Red blood cells (RBCs) have an extensive antioxidant system designed to eliminate the formation of reactive oxygen species (ROS). Nevertheless, RBC oxidant stress has been demonstrated by the formation of a fluorescent heme degradation product (excitation (ex) 321nm, emission (em) 465nm) both in vitro and in vivo. We investigated the possibility that the observed heme degradation results from ROS...
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