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Size-controlled magnetite nanoparticles (Fe3O4) with 200-1000nm were synthesized by co-precipitation method. Then Fe3O4@SiO2@G@PIL was synthesized and used as modified QuEChERS adsorbent for the(More)
A novel hydrogen peroxide biosensor was fabricated for the determination of H(2)O(2). The precursor film was first electropolymerized on the glassy carbon electrode with p-aminobenzene sulfonic acid(More)
Nano-Au and methylene blue (MB) were assembled layer-by-layer (LBL) into films on the glassy carbon electrode modified by thiourea for detection of human chorionic gonadotrophin (HCG). The electrode(More)