FABRICATION OF SENSITIVE ELECTROCHEMICAL ARSENIC (III) APTASENSOR

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Noorbakhsh Abdollah; Salehi Soroor

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Seminar Paper

Paper Information

Seminar: ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN
Year:2015 | Issue:11

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Title

FABRICATION OF SENSITIVE ELECTROCHEMICAL ARSENIC (III) APTASENSOR

Author(s)

Noorbakhsh Abdollah | Salehi Soroor | Issue Writer Certificate

Keywords

APTASENSOR

ARSENIC (III)

ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY

ELECTRODE

Abstract

ARSENIC (III) CONTAMINATION IN WATER IS A SERIOUS WORLDWIDE THREAT FOR HUMAN HEALTH. ACCORDING TO THE WORLD HEALTH ORGANIZATION’S (WHO) REPORT, THE MAXIMUM PERMISSIBLE CONTAMINATION OF ARSENIC IN THE DRINKING WATER IS 10 PPB [1]. SO EARLY DETECTION OF ARSENIC IN LOW CONCENTRATION IS IMPORTANT. THEREFORE IN THIS WORK, A SENSITIVE ELECTROCHEMICAL APTASENSOR WAS DEVELOPED FOR DETECTION OF AS (III). VARIOUS CHITOSAN-NANOCOMPOSITES WERE INVESTIGATED FOR IMMOBILIZATION OF AS (III) APTAMER MOLECULES ON THE SURFACE OF GLASSY CARBON ELECTRODE (GCE) [2]. CYCLIC VOLTAMMETRY (CV), ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY (EIS), FOURIER TRANSFORM INFRARED SPECTROSCOPY (FT-IR) AND ULTRAVIOLET-VISIBLE SPECTROSCOPY (UV-VIS) WERE USED FOR CHARACTERIZATION OF FABRICATED APTASENSOR. IN THE PRESENT WORK THE EFFECT OF VARIOUS VARIABLES SUCH AS CONCENTRATION OF GLUTARALDEHYDE LINKER, GLUTARALDEHYDE INCUBATION TIME, CAPTURE PROBE CONCENTRATION, CAPTURE PROBE INCUBATION TIME, APTAMER PROBE CONCENTRATION, APTAMER PROBE INCUBATION TIME AND NANOCOMPOSITE COMPOSITION WERE INVESTIGATED. ANDER OPTIMUM CONDITIONS VERY SENSITIVE AS (III) APTASENSOR WAS FABRICATED. ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY WAS USED TO DETECTION OF AS (III) CONCENTRATION [3]. THE FABRICATED IMPIDIMETRIC AS (III) APTASENSOR SHOWED VERY GOOD ANALYTICAL PARAMETER SUCH AS HIGH SENSITIVITY, LOW DETECTION LIMIT, WIDE LINEAR RANGE AND HIGH SELECTIVITY.

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APA: Copy

Noorbakhsh, Abdollah, & Salehi, Soroor. (2015). FABRICATION OF SENSITIVE ELECTROCHEMICAL ARSENIC (III) APTASENSOR. ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN. SID. https://sid.ir/paper/919929/en

Vancouver: Copy

Noorbakhsh Abdollah, Salehi Soroor. FABRICATION OF SENSITIVE ELECTROCHEMICAL ARSENIC (III) APTASENSOR. 2015. Available from: https://sid.ir/paper/919929/en

IEEE: Copy

Abdollah Noorbakhsh, and Soroor Salehi, “FABRICATION OF SENSITIVE ELECTROCHEMICAL ARSENIC (III) APTASENSOR,” presented at the ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN. 2015, [Online]. Available: https://sid.ir/paper/919929/en

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