A new biosensor for monitoring iron has been developed. The active solid phase is pyoverdin, a natural fluorescent pigment biosynthesized by Pseudomonas fluorescens immobilized on controlled pore glass (CPG) and packed in a quartz flow-through cell. The biosensor is very selective for iron(III) and can be easily regenerated in about 2 min by passing 1M HCl… (More)


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