GREEN SYNTHESIS OF AGNPS BY USING LEAF EXTRACTS OF SOLANUM NIGRUM L. AND STUDY OF THEIR ANTIMICROBIAL ACTIVITY
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Abstract
Extracts of leaves of Solanum nigrum L. was extracted by distilled water, methanol, acetone and ethanol. These extracts were mixed in 5mM solution of silver nitrate (AgNO3) for the synthesis of silver nanoparticles (AgNPs). Synthesized AgNPs were characterized by UV-Vis spectroscopy and Scanning electron microscopy (SEM). SEM analysis revealed that the synthesized AgNPs were having a size range between 8 to 18nm. AgNPs were studied for their antimicrobial activity against bacteria including Klebsiella spp, E. coli and fungi Aspergillus niger. Results showed that synthesized AgNPs were effective against these microbes but their activity was better against bacteria than fungi. Additionally, AgNPs preapared using methanolic leaf extracts exhibited better efficiency as compare to those were prepared with the other solvents used in the study.
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Nazish
Department of Botany, GC Women University, Sialkot.
Zahid Ali Butt
Department of Botany, GC Women University, Sialkot.
Fatima Idrees
Department of Botany, GC Women University, Sialkot.
Maryam
Department of Botany, GC Women University, Sialkot.
Fiza Munir
Department of Botany, GC Women University, Sialkot.
Samra Riasat
Department of Botany, GC Women University, Sialkot.
Maryam Amin
Department of Botany, GC Women University, Sialkot.
Ayesha Javed
Department of Botany, GC Women University, Sialkot.
Maqsood ahmad
Department of Environment Science, Baluchistan University of Information Technology and Management Science, Quetta.
Sajid Hussain
Department of Botany, PMAS Arid Agriculture University, Rawalpindi