Green synthesis and characterization of copper nanoparticles for investigating their effect on germination and growth of wheat

Today, different types of nanoparticles (NPs) are being synthesized and used for medical and agricultural applications. In this study, copper nanoparticles (CuNPs) were synthesized using the aqueous extract of mint (Mentha longifolia L.). For the characterization of CuNPs, UV-visible spectroscopy, s...

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Bibliographic Details
Published in:PloS one 2022-06, Vol.17 (6), p.e0269987-e0269987
Main Authors: Kausar, Humaira, Mehmood, Ansar, Khan, Rizwan Taj, Ahmad, Khawaja Shafique, Hussain, Sajjad, Nawaz, Fahim, Iqbal, Muhammad Sajjad, Nasir, Muhammad, Ullah, Tariq Saif
Format: Article
Language:English
Subjects:
Analysis
Atomic properties
Biology and Life Sciences
Bonding agents
Carotenoids
Chemical synthesis
Chlorophyll
Copper
Copper in the body
Electron microscopy
Engineering and Technology
Evaluation
Fourier analysis
Fourier transforms
Functional groups
Germination
Growth
Growth rate
Infrared spectrometers
Infrared spectroscopy
Microorganisms
Nanoparticles
Nanotechnology
Physical Sciences
Physiological aspects
Reducing agents
Research and Analysis Methods
Scanning electron microscopy
Scientific imaging
Seed germination
Seeds
Spectrometry
Spectroscopy
Ultraviolet absorption
Wheat
X-ray diffraction
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Summary:Today, different types of nanoparticles (NPs) are being synthesized and used for medical and agricultural applications. In this study, copper nanoparticles (CuNPs) were synthesized using the aqueous extract of mint (Mentha longifolia L.). For the characterization of CuNPs, UV-visible spectroscopy, scanning electron microscopy, X-ray diffraction, and Fourier transform infrared spectrometry were used. The UV-Visible absorption peak at 558 nm confirmed the formation of CuNPs. The XRD pattern confirmed the phase-centered crystalline nature of CuNPs. FTIR analysis showed the O-H, Cu-H and C-C bonds, indicating the active role of these functional groups as reducing agents of Cu ions to CuNPS. The synthesized NPs were found to have an almost spherical shape with an average size of 23 nm. When applied to wheat, a condition dependent effect of CuNPs was found. Variety 18-Elite Line 1, Elite Line 3, and 18-Elite Line 6 showed maximum germination and growth rate at 50 mg CuNPs/L, while variety 18-Elite Line 5 showed that increase at 25 mg CuNPs/L. Beyond these concentrations, the seed germination and growth of wheat declined. In conclusion, the application of CuNPs showed a beneficial effect in improving the growth of wheat at a certain concentration.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0269987