Yosra Braham

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The development of enzymatic sensors for biological purposes such as biomedicine, pharmacy, food industry, and environmental toxicity requires the purification step of the enzyme. To prevent the loss of the enzyme activity, a new strategy is held in order to immobilize the bacteria. It will constitute the biological sensing element leading to a high(More)
In this work we describe a new biosensor for heavy metals detection, based on the immobilization of bacteria, Proteus mirabilis on gold electrode modified with aryl electrografting film. To enhance the stability of the biosystem, additional materials were used such as functionalized Fe3O4 nanoparticles (NPs), cationic (PAH), anionic (PSS) polyelectrolytes,(More)
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