Synthesis, characterization and antimicrobial activity of novel silver nanoparticles functionalized with nitrogenous ligands

被引：0
作者：
Kumar, B. Varun [1 ]
Reddy, K. Hussain [1 ,2 ]
机构：
[1] Sri Krishnadevaraya Univ, Dept Chem, Anantapuramu, AP, India
[2] Sri Krishnadevaraya Univ, Dept Chem, Anantapuramu 515003, AP, India
来源：
INORGANIC AND NANO-METAL CHEMISTRY | 2024年 / 54卷 / 11期
关键词：
Synthesis; silver nanoparticles; post-functionalization; characterization; antimicrobial activity; MICROWAVE-ASSISTED SYNTHESIS; COPPER NANOPARTICLES; PLASMON RESONANCE; LEAF EXTRACT; NANOSPHERE LITHOGRAPHY; GREEN SYNTHESIS; LASER-ABLATION; BIOSYNTHESIS; REDUCTION; EFFICIENT;
D O I：
10.1080/24701556.2023.2165686
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
As-synthesized nanoparticles AgNPs(AA) prepared using ascorbic acid (AA) were post-functionalized with ligands, viz., 4-hydroxybenzhydrazide (BH) and with 4-hydroxybenzaldehyde thiosemicarbazone (BTSC) to produce new silver nanoparticles, AgNPs(AA-BH) and AgNPs(AA-BTSC). The nanoparticles were characterized by using UV-visible spectroscopy, FT-IR spectroscopy, P-XRD, SEM with EDX, and TEM techniques. The PXRD patterns of AgNPs(AA), AgNPs(AA-BH), and AgNPs(AA-BTSC) revealed diffraction peaks which correspond to (1 1 1), (2 0 0), (2 2 0), and (3 1 1) planes of face-cantered cubic (FCC) crystalline structure. The TEM images revealed spherical and agglomerated rod-like morphologies of as-synthesized and post-functionalized, respectively. The average particle sizes of AgNPs(AA) AgNPs@BH, and AgNPs@BTSC are found to be 28.4, 46.6, and 135.6 nm, respectively. The nanoparticles exhibited significant activity against bacteria, viz., Staphylococcus aureus, Escherichia coli and fungal species, viz., Candida albicans. The post-functionalized silver nanoparticles (AgNPs(AA-BH) and AgNPsAA(-BTSC)) showed higher antimicrobial activity than as-synthesized AgNPs(AA) metal nanoparticles.
引用
收藏
页码：1127 / 1136
页数：10
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