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MgO Nanoparticles Biosynthesis and Its Effect on Chlorophyll Contents in the Leaves of Clusterbean (Cyamopsis tetragonoloba L.)

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Title MgO Nanoparticles Biosynthesis and Its Effect on Chlorophyll Contents in the Leaves of Clusterbean (Cyamopsis tetragonoloba L.)
Not Available
 
Creator Ramesh Raliya1 and
S. K. Singh
J. C. Tarafdar
R. Gautam
K. Gulecha
K. Choudhary
Veronica Maurino
Vinod Saharan
 
Subject MgO Nanoparticles
Biosynthesis
Characterization
Chlorophyll Content
Clusterbean
 
Description Not Available
Fungus mediated biological synthesis of MgO nanoparticle is a new approach for environmentally
benign protocol in context to green nanotechnology. The fungal isolate was identified on the basis
of morphological and molecular parameters. Transmission electron microscope (TEM), Scanning
Electron Microscope (SEM), Atomic Force Microscope (AFM) was used for size and shape study.
To ensure the elemental proportion, electron dispersive spectroscopy (EDS) was performed. Hydrodynamic
diameter and zeta potential of MgO nanoparticles were calculated using dynamic light
scattering (DLS). The crystal nature was confirmed by high resolution transmissionelectron microscope
(HR-TEM), selective area electron diffraction (SAED) and X-ray Diffraction (XRD) patterns,
In addition bonding patterns of the synthesized nanoparticles were examined by Fourier Transform
Infrared Spectroscopy (FTIR). Investigation was made to study the effect of biosyntheiszed nanoparticle
on chlorophyll contents in the leaves of Clusterbean (Cyamopsis tetragonoloba L.). Aspergillus
flavus, strain TFR-12 having potential to synthesize MgO nanoparticles with average hydrodynamic
diameter of 5.8 nm, polydispersity Index 0.289, Zeta potential āˆ’6 66 mV and random in shape
which are stable up to 90 days, These biologically synthesized nanoparticles were found suitable for
plant nutrition more particularly to clusterbean (Cyamopsis tetragonoloba) that demonstrate greater
improvement in shoot-root growth (18.2 to 49.2%) and chlorophyll photosynthetic pigment (76.1%)
by the application of biologically synthesized MgO nanoparticle at 15 Mg Lāˆ’1 concentration on two
week old plants. The present invention of nanoparticle biosynthesis is a low cost green, ecofriendly
approach, capable to producing monodisperse MgO nanoparticles using the fungus Aspergillus
flavus, strain TFR-12. These biologically synthesized nanoparticles were found suitable for plant
nutrition more particularly to clusterbean (Cyamopsis tetragonoloba) but not limited that enhance
chlorophyll contents in the leaves which may further help in enhancement of light absorption by
plants for photosynthesis process.
Not Available
 
Date 2019-05-15T05:08:19Z
2019-05-15T05:08:19Z
2014-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/19507
 
Language English
 
Relation Not Available;
 
Publisher Not Available