CuO embedded chitosan spheres as antibacterial adsorbent for dyes

Sher Bahadar Khan; Fayaz Ali; Tahseen Kamal; Yasir Anwar; Abdullah M Asiri; Jongchul Seo

doi:10.1016/j.ijbiomac.2016.03.026

CuO embedded chitosan spheres as antibacterial adsorbent for dyes

Int J Biol Macromol. 2016 Jul:88:113-9. doi: 10.1016/j.ijbiomac.2016.03.026. Epub 2016 Mar 16.

Authors

Sher Bahadar Khan¹, Fayaz Ali², Tahseen Kamal³, Yasir Anwar⁴, Abdullah M Asiri³, Jongchul Seo⁵

Affiliations

¹ Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P.O. Box 80203, 21589 Jeddah, Saudi Arabia; Department of Chemistry, King Abdulaziz University, P.O. Box 80203, 21589 Jeddah Saudi Arabia. Electronic address: sbkhan@kau.edu.sa.
² Department of Chemistry, King Abdulaziz University, P.O. Box 80203, 21589 Jeddah Saudi Arabia.
³ Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P.O. Box 80203, 21589 Jeddah, Saudi Arabia; Department of Chemistry, King Abdulaziz University, P.O. Box 80203, 21589 Jeddah Saudi Arabia.
⁴ Department of Biology, Faculty of Science, King Abdulaziz University, P.O. Box 80203, 21589 Jeddah, Saudi Arabia.
⁵ Department of Packaging, Yonsei University, 1 Yonseidae-gil, Wonju, Gangwon-do 220-710, Republic of Korea.

PMID: 26993528
DOI: 10.1016/j.ijbiomac.2016.03.026

Abstract

Chitosan/copper oxide (CS/CuO) composite spheres were prepared by simple mixing of CuO nanomaterials in CS solution followed by dropwise addition to NH4OH solution. The characterizations of all the prepared spheres were carried out by FESEM, EDS, XRD, XPS, and FTIR analyses while the thermal properties were analyzed by TGA. Further the ability of composite spheres was tested as an easily removable pollutant adsorbent from water containing different dyes and compared with pure CS. Composite spheres were found to be the best adsorbent when applied to remove indigo carmine (IC), congo red (CR) and methyl orange (MO) from water. Amongst the three dyes, CS/CuO composite spheres were more selective toward MO adsorption. CS/CuO composite spheres also displayed significant antibacterial activity by inhibiting Pseudomonas aeruginosa growth. Thus the fabricated composite spheres can be used as a biosorbent in the future.

Keywords: Antibacterial activity; Biosorbent; Chitosan; Composite; CuO; Spheres.

MeSH terms

Adsorption
Ammonium Hydroxide / chemistry
Anti-Bacterial Agents / chemistry
Anti-Bacterial Agents / pharmacology
Azo Compounds / isolation & purification
Chitosan / chemistry*
Coloring Agents / isolation & purification*
Congo Red / isolation & purification
Copper / chemistry*
Humans
Hydrogen-Ion Concentration
Indigo Carmine / isolation & purification
Kinetics
Nanocomposites / chemistry*
Nanocomposites / ultrastructure
Pseudomonas aeruginosa / drug effects
Pseudomonas aeruginosa / growth & development
Temperature
Wastewater / chemistry
Water Pollutants, Chemical / isolation & purification*
Water Purification / methods

Substances

Anti-Bacterial Agents
Azo Compounds
Coloring Agents
Waste Water
Water Pollutants, Chemical
Congo Red
Ammonium Hydroxide
methyl orange
Copper
Chitosan
Indigo Carmine
cupric oxide