Vatsal Jhaveri,
Indra Neel Pulidindi,
Suresh Selvaraj,
Prakash Vaithyanathan,
- Graduate, Department of Chemical engineering, GSFC University, Gujrat, India
- Consultant, JSCIAR, Tamil Nadu, India
- Associate professor, Department of Science and Humanities, ACE Engineering College, Ghatkesar, Secunderabad,, Telangana, India
- Science Teacher, Innovator 50, L.B road, Chennai, India
Abstract
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Nanotechnology is an enabling technology at the service of mankind. Indeed, enhancing the long-term storage of agricultural products (post-harvest during transportation and storage) in general and apples and tomatoes, in particular, is a challenge. Zn doped CuO is a proven nanomaterial with special ability to kill plant pathogens as well as a variety of microorganisms (bacteria, virus and fungus). Much of the review is focused on the landmark papers published by Professor Aharon Gedanken and his co-workers on the sonochemical synthesis of Zn doped CuO and its application for killing a variety of multi drug resistant (MDR) and extremely drug resistant (EDR) bacteria. Moreover Professor Gedanken’s papers contained a wealth of information on the mechanism of killing of the bacteria by the potential antibacterial, antiviral, and antifungal material, namely, Zn doped CuO (Cu0.88Zn0.12O). Classical analytical techniques like the X-ray diffraction (XRD), differential scanning calorimetry (DSC), electron paramagnetic resonance (EPR) spectroscopy, high resolution scanning electron microscopy (HRSEM) and high resolution transmission electron microscopy (HRTEM) were judiciously used to drive the point home that sonochemical method is a potential technique to obtain smaller crystallites of Cu0.88Zn0.12O and with high purity, provided, an appropriate mole ratio of the Cu2+ and Zn2+ precursors (3:1) is chosen. Anything other than this ratio, would lead to the presence of the individual phase of ZnO apart from the desired phase of Zn doped CuO. At this special mole ratio (3:1), as high as 12 %, (we repeat), no more than 12 % of the Cu2+ can be replaced by Zn2+ in the monoclinic crystal lattice of the CuO. DSC analysis revealed the presence of oxygen vacancies in the crystal lattice of Cu0.88Zn0.12O as one of the factors contributing to the generation of the reactive oxygen species (ROS) with others being the co-existence of the amorphous phase of zinc doped CuO and crystalline phase of Zn doped CuO
Keywords: Zn doped CuO; nanoparticles; antimicrobial; antibacterial; antiviral; antifungal; longevity; agricultural products; vegetables.
[This article belongs to International Journal of Crystalline Materials (ijcm)]
Vatsal Jhaveri, Indra Neel Pulidindi, Suresh Selvaraj, Prakash Vaithyanathan. Zn Doped CuO Nanoparticles for Increasing the Longevity of The Agricultural Products †. International Journal of Crystalline Materials. 2024; 01(01):14-29.
Vatsal Jhaveri, Indra Neel Pulidindi, Suresh Selvaraj, Prakash Vaithyanathan. Zn Doped CuO Nanoparticles for Increasing the Longevity of The Agricultural Products †. International Journal of Crystalline Materials. 2024; 01(01):14-29. Available from: https://journals.stmjournals.com/ijcm/article=2024/view=171761
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| Volume | 01 |
| Issue | 01 |
| Received | August 12, 2024 |
| Accepted | August 21, 2024 |
| Published | September 18, 2024 |