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The sensitization of electrochemiluminescence of luminol by metallic oxide nano-particles of ZnO, MnO2, In2O3 and TiO2 under alkaline conditions were reported here and the related mechanism is studied. Furthermore a sol-gel method was taken for the immobilization of the metallic oxide nano-particles onto platinum electrode, the so-obtained modified electrodes also exhibited enhanced ECL intensity...
Immobilization of bacteriophage T4 onto the SPEs was achieved by formation of amide bonds between the protein coating of the phage and the electrochemically generated carboxylic groups at the carbon surface. The immobilized T4 were then used to specifically detect target bacteria (E.coli). Impedance measurements (Nyquist plots) show significant shifts in both the real (Zr) and imaginary (Zi) impedances...
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