Green Production and Interaction of Carboxylated CNTs/Biogenic ZnO Composite for Antibacterial Activity

Saghir Hussain; Noorulain Khakwani; Yasir Faiz; Sonia Zulfiqar; Zahid Shafiq; Faisal Faiz; Abeer Elhakem; Rokayya Sami; N I Aljuraide; Tanveer Farid; Mahmood D Aljabri; Mohammed M Rahman

doi:10.3390/bioengineering9090437

Green Production and Interaction of Carboxylated CNTs/Biogenic ZnO Composite for Antibacterial Activity

Bioengineering (Basel). 2022 Sep 4;9(9):437. doi: 10.3390/bioengineering9090437.

Authors

Saghir Hussain^{1

2}, Noorulain Khakwani², Yasir Faiz³, Sonia Zulfiqar⁴, Zahid Shafiq¹, Faisal Faiz⁵, Abeer Elhakem⁶, Rokayya Sami⁷, N I Aljuraide⁸, Tanveer Farid⁹, Mahmood D Aljabri¹⁰, Mohammed M Rahman¹¹

Affiliations

¹ Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan.
² Department of Chemistry, Khwaja Fareed University of Engineering & Information Technology, Abu Dhabi Road, Rahim Yar Khan 64200, Pakistan.
³ Chemistry Division, Directorate of Science, Pakistan Institute of Nuclear Science & Technology (PINSTECH), Islamabad 45650, Pakistan.
⁴ Department of Chemistry, Faculty of Science, University of Ostrava, 30. Dubna 22, 701 03 Ostrava, Czech Republic.
⁵ State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry & Chemical Engineering and Center of Materials Analysis, Nanjing University, Nanjing 210023, China.
⁶ Department of Biology, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia.
⁷ Department of Food Science and Nutrition, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia.
⁸ Department of Physics, Turabah University College, Turabah Branch, Taif University, P.O. Box 29717, Taif 21944, Saudi Arabia.
⁹ School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
¹⁰ Department of Chemistry, University College in Al-Jamoum, Umm Al-Qura University, Makkah 21955, Saudi Arabia.
¹¹ Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia.

Abstract

Using biomolecule-rich plant extracts, the conversion of metal ions to metal oxide nanoparticles via abiogenic approach is highly intriguing, environmentally friendly, and quick. The inherent inclination of plant extracts function as capping agents in the insitu synthesis. In this study, biogenic zinc oxide nanoparticles (ZnO-NPs) were synthesized using an aqueous leaf extract from Moringaoleifera. The ZnO-NPs were then mixed with carboxylated carbon nanotubes (CNTs) to create a carboxylated CNTs/biogenic ZnO composite using asol-gel method. The CNTs/ZnO composite displayed 18 mm, 16 mm, and 17 mm zones of inhibition (ZOI) against Bacillus cereus, Pseudomonas aeruginosa, and Escherichia coli, respectively. In contrast with ZnO-NPs, the produced carboxylated CNTs/ZnO composite demonstrated a 13 percent elevation in ZOI as antibacterial activity against Bacillus cereus ATCC 19659, Escherichia coli ATCC 25922, and Pseudomonas aeruginosa ATCC 27853. The characterization of ZnO-NPs and the carboxylated CNTs/ZnO composite were performed via FTIR, UV/Vis spectroscopy, SEM, and XRD. The XRD pattern depicted a nano-sized crystalline structure (Wurtzite) of ZnO-NPs and a carboxylated CNTs/ZnO composite. The current work comprehends a valuable green technique for killing pathogenic bacteria, and gives fresh insights into the manufacture of metal oxide composites for future research.

Keywords: ZnO nanoparticles; antibacterial activity; biogenic synthesis; carbon nanotubes; green chemistry; nanocomposite.

Grants and funding

This research received no external funding.