PANI-Ag-Cu Nanocomposite Thin Films Based Impedimetric Microbial Sensor for Detection of E. coli Bacteria

Joint Authors

Abdullah, Huda
Mohammad Naim, Norshafadzila
Noor Azmy, Noor Azwen
Abdul Hamid, Aidil

Source

Journal of Nanomaterials

Issue

Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-8, 8 p.

Publisher

Hindawi Publishing Corporation

Publication Date

2014-10-15

Country of Publication

Egypt

No. of Pages

8

Main Subjects

Chemistry
Civil Engineering

Abstract EN

PANI-Ag-Cu nanocomposite thin films were prepared by sol-gel method and deposited on the glass substrate using spin coating technique.

Polyaniline was synthesized by chemical oxidative polymerization of aniline monomer in the presence of nitric acid.

The films were characterized using XRD, FTIR, and UV-Visible spectroscopy.

The performance of the sensor was conducted using electrochemical impedance spectroscopy to obtain the change in impedance of the sensor film before and after incubation with E.

coli bacteria in water.

The peaks in XRD pattern confirm the presence of Ag and Cu nanoparticles in face-centered cubic structure.

FTIR analysis shows the stretching of N–H in the polyaniline structure.

The absorption band from UV-Visible spectroscopy shows high peaks between 400 nm and 500 nm which indicate the presence of Ag and Cu nanoparticles, respectively.

Impedance analysis indicates that the change in impedance of the films decreases with the presence of E.

coli.

The sensitivity on E.

coli increases for the sample with high concentration of Cu.

American Psychological Association (APA)

Abdullah, Huda& Mohammad Naim, Norshafadzila& Noor Azmy, Noor Azwen& Abdul Hamid, Aidil. 2014. PANI-Ag-Cu Nanocomposite Thin Films Based Impedimetric Microbial Sensor for Detection of E. coli Bacteria. Journal of Nanomaterials،Vol. 2014, no. 2014, pp.1-8.
https://search.emarefa.net/detail/BIM-1042118

Modern Language Association (MLA)

Abdullah, Huda…[et al.]. PANI-Ag-Cu Nanocomposite Thin Films Based Impedimetric Microbial Sensor for Detection of E. coli Bacteria. Journal of Nanomaterials No. 2014 (2014), pp.1-8.
https://search.emarefa.net/detail/BIM-1042118

American Medical Association (AMA)

Abdullah, Huda& Mohammad Naim, Norshafadzila& Noor Azmy, Noor Azwen& Abdul Hamid, Aidil. PANI-Ag-Cu Nanocomposite Thin Films Based Impedimetric Microbial Sensor for Detection of E. coli Bacteria. Journal of Nanomaterials. 2014. Vol. 2014, no. 2014, pp.1-8.
https://search.emarefa.net/detail/BIM-1042118

Data Type

Journal Articles

Language

English

Notes

Includes bibliographical references

Record ID

BIM-1042118