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Title

APPLICATION OF DC SPUTTERING FOR PREPARATION OF THIN FILM BASED BIOSENSOR

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Abstract

 UREA ANALYSIS IS CONSIDERABLE INTERESTED IN CLINICAL AND AGRICULTURAL CHEMISTRY [1, 2]. IN THIS STUDY, ZINC OXIDE (ZNO) THIN FILMS WERE PREPARED BY MAGNETRON SPUTTERING TECHNIQUE ONTO CONDUCTIVE FTO COATED GLASS, THEN UREA BIOSENSOR WAS PREPARED BY GENTLE TREATMENT OF NANO-ZNO MATRIX WITH UREASE. ZINC OXIDE HAS BEEN RECENTLY USED FOR FABRICATION OF TRANSDUCER SURFACE OF BIOSENSORS BECAUSE OF THEIR UNIQUE ABILITY TO PROMOTE ELECTRON TRANSFER BETWEEN ELECTRODE AND ACTIVE SITE OF DESIRED ENZYME. FOR ZNO DC SPUTTERING, THE DEPOSITED THIN FILM IS FORMED BY: 1) CREATE IONIC PLASMA BY APPLYING A HIGH VOLTAGE TO A GLOW TUBE, 2) IONS BOMBARD THE TARGET MATERIAL AT THE CATHODE, 3) TARGET ATOMS ARE EJECTED (SPUTTERED) FROM THE CATHODE BY ENERGY AND MOMENTUM TRANSFER, AND 4) SPUTTERED ATOMS FROM THE TARGET ARE DEPOSITED ON TO THE SUBSTRATE (ANODE). CHARACTERIZATION OF THE SURFACE MORPHOLOGY AND ROUGHNESS OF SPUTTERED ZNO THIN FILM BY FIELD EMISSION-SCANNING ELECTRON MICROSCOPY (FE-SEM) EXHIBITS CAVITIES OF NANOPOROUS FILM AS AN EFFECTIVE BIOSENSING AREA FOR ENZYME IMMOBILIZATION. STEP BY STEP MONITORING OF BIOSENSOR FABRICATION WERE PERFORMED USING ELECTROCHEMICAL METHODS SUCH AS CYCLIC VOLTAMMETRY (CV) AND ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY (EIS) TECHNIQUES. FABRICATED BIOSENSOR WAS EXPLOITED FOR UREA DETERMINATION USING EIS TECHNIQUE.

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    APA: Copy

    RAHMANIAN, REZA, & MOZAFFARI, SAYED AHMAD. (2014). APPLICATION OF DC SPUTTERING FOR PREPARATION OF THIN FILM BASED BIOSENSOR. ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN. SID. https://sid.ir/paper/910104/en

    Vancouver: Copy

    RAHMANIAN REZA, MOZAFFARI SAYED AHMAD. APPLICATION OF DC SPUTTERING FOR PREPARATION OF THIN FILM BASED BIOSENSOR. 2014. Available from: https://sid.ir/paper/910104/en

    IEEE: Copy

    REZA RAHMANIAN, and SAYED AHMAD MOZAFFARI, “APPLICATION OF DC SPUTTERING FOR PREPARATION OF THIN FILM BASED BIOSENSOR,” presented at the ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN. 2014, [Online]. Available: https://sid.ir/paper/910104/en

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