Biosynthesis, characterization and anthelmintic activity of silver nanoparticles of Clerodendrum infortunatum isolate

Scientific Reports, Journal Year: 2023, Volume and Issue: 13(1)

Published: May 7, 2023

Abstract Over the past few decades, green synthesis of nanoparticles has gained importance for their therapeutic efficacy and eco-friendly nature. Integrating chemistry principles into multidisciplinary nanoscience research paved way developing environmentally benign sustainable methods synthesizing gold silver nanoparticles. In present study, flowers obtained from Clerodendrum infortunatum (L.), belonging to family Verbenaceae, have been used biosynthesizing (AgNPs) evaluate anthelmintic potential. UV–Vis spectroscopy, XRD, FTIR, SEM TEM analyses were performed ascertain formation AgNPs. Clerodendrum-derived AgNP (CLE-AgNP) significantly affected normal physiological functions poultry parasite Raillietina spp., a menace livestock industry. Our study manifests that CLE-AgNPs cause considerable distortion surface tegument this cestode leading changes in host-parasite interface. The histochemical localization studies tegument-associated enzymes viz. AcPase, AlkPase, ATPase 5’-Nu, exposed drug, showed substantial activity decline, thus establishing potential CLE-AgNPs.

Language: Английский

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Fe3O4 NPs: A heterogeneous and reusable magnetic nanocatalyst for base and solvent free one-pot multicomponent synthesis of pyridine derivatives and their photo-physical study

Molecular Catalysis, Journal Year: 2024, Volume and Issue: 557, P. 113978 - 113978

Published: Feb. 28, 2024

Language: Английский

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Greener Approach for Synthesis of δ-MnO₂ Nanoparticles: Access to Pharmaceutically Important Pyrimidines and their Antimicrobial Activity Studies

ACS Applied Bio Materials, Journal Year: 2024, Volume and Issue: 7(3), P. 1790 - 1800

Published: Feb. 29, 2024

A sustainable approach for pharmaceutically important pyrimidine derivatives is achieved by using biogenically produced single-phase δ-MnO2 NPs under external ligand-free conditions. The phytochemicals that comprise the extract of Areca Nut Husk (ANH) have been discovered to serve as reducing agents. role not only aid in reduction Mn(VII) into Mn(IV), but they also an stabilizing catalyst. establishment was confirmed inveterate FE-SEM, p-XRD, ICP-OES (Mn content = 43.17% w/w), EDX, and with active Mn w/w. series were prepared good yields a one-pot multicomponent synthesis atmospheric In addition, hot filtration tests, control experiments, gram-scale synthesis, mechanistic investigations demonstrated. Additionally, antimicrobial activity studies against Gram-negative bacteria E. coli, growth curve minimum inhibitory concentration studied.

Language: Английский

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Room-Temperature Synthesis of Biogenic δ-MnO₂ NPs for the Dehydrogenative Coupling of Diamines with Alcohols for Benzimidazole and Quinoxaline Synthesis: An Efficient Catalyst for Electrochemical Applications

Langmuir, Journal Year: 2023, Volume and Issue: 39(44), P. 15474 - 15486

Published: Oct. 24, 2023

An efficient, unique, and eco-friendly biogenic synthesis of single-crystalline δ-phase manganese oxide nanoparticles (MnO2 NPs) using Gliricidia sepium leaves (GSL) extract at room temperature has been revealed for the first time. The active chemicals present in GSL were found to serve as both reducing stabilizing agents. catalyst shows an excellent surface area 301.13 m2 g-1, a mean pore diameter 4.01 nm, 39.97% w/w metal content. reactivity synthesized was demonstrated by achieving one-pot benzimidazoles quinoxalines via acceptorless dehydrogenative coupling strategy utilizing biorenewable alcohols. release hydrogen gas observed only side product proven its successful utilization alkene reduction which supports mechanistic elucidation. useful byproduct highlights scientific importance methodology. Additionally, gram-scale recyclability studies are deliberated. Importantly, δ-MnO2 NP exhibited superior catalytic activity high durability toward evolution reaction alkaline media, highlighting dual use catalyst. NPs attain current density 10 mA/cm2 overpotential 154 mV with Tafel slope 119 mV/dec.

Language: Английский

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Biogenically synthesized palladium nanoparticles for hydrogen evolution study: An efficient catalyst for 4-nitrophenol reduction and C-C coupling reactions

Colloids and Surfaces A Physicochemical and Engineering Aspects, Journal Year: 2024, Volume and Issue: 688, P. 133555 - 133555

Published: Feb. 23, 2024

Language: Английский

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Biomass Derived Cu2O Nanoparticles for N-atom insertion Reactions: A Base Free Synthesis of Quinazolinones with a Green Approach

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(8), P. 4723 - 4732

Published: Jan. 1, 2024

This work describes the use of an eco-friendly biogenic approach for synthesis Cu 2 O NPs utilizing Cucumis melo peel extract first time and employed one-pot multicomponent quinazolinones in a green solvent.

Language: Английский

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Synthesis of novel azo‐linked 4‐arylidene‐benzodiazepine using cellulose@SP@catechin@Fe₃O₄ nanocomposite and study of their antioxidant activity

Applied Organometallic Chemistry, Journal Year: 2024, Volume and Issue: 38(6)

Published: March 28, 2024

In the present study, cellulose@SP@catechin@Fe 3 O 4 nanocomposite underwent synthesis and characterization employing various analytical techniques, including Fourier transform‐infrared spectroscopy (FT‐IR), field‐emission scanning electron microscopy, transmission Brunauer–Emmett–Teller analysis, thermogravimetric vibrating sample magnetometry, X‐ray powder diffraction, spectroscopy. This reusable efficient facilitated of azo‐linked 4‐arylidene‐benzodiazepine, resulting in products with high yields. Characterization these was conducted utilizing 1 H nuclear magnetic resonance (NMR), 13 C NMR, FT‐IR spectral data alongside mass analyses. Additionally, their antioxidant activities were assessed via 1,1‐diphenyl‐2‐picrylhydrazyl analysis.

Language: Английский

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Quinoline Synthesis: Nanocatalyzed Green Protocols─An Overview

ACS Omega, Journal Year: 2024, Volume and Issue: 9(42), P. 42630 - 42667

Published: Oct. 14, 2024

Heterocyclic compounds are of great interest in our daily lives. They widely distributed nature and synthesized laboratories. Heterocycles play an important role the metabolism all living cells, including vitamins coenzyme precursors like thiamine riboflavin. Furthermore, heterocyclic systems essential building blocks for creating innovative materials with intriguing electrical, mechanical, biological properties. Also, more than 85% biologically active chemical entities comprise a heterocycle. As result, heterocycle synthesis piqued researchers' curiosity, recent decades, chemists have concentrated on nitrogen-containing cyclic nuclei structures. Quinoline its derivatives exhibit several functions, antimicrobial, anticancer, antimalarial, anti-inflammatory, antihypertensive, antiasthmatic effects. In addition, over hundred quinoline-based drugs available to treat variety disorders. Because importance, researchers developed one-pot synthetic methods employing effective acid/base catalysts (Lewis acids, Brønsted ionic liquids), reagents, transition-metal-based catalysts. These some downsides, longer reaction times, harsher conditions, creation byproducts, costly catalysts, use hazardous solvents, unacceptable economic yield, catalyst recovery. Researchers' focus has switched environmentally friendly quinoline as result these methodologic shortcomings. special qualities, nanocatalysts or nanocomposites offers option quinolines. This review focuses published research articles synthesize substituted derivatives. covers contributions until May 2024, focusing ring mechanistic issues. With aid this review, we anticipate that will be able develop synthesizing

Language: Английский

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C−H Activation of Benzamides Using Biogenically Synthesized Pd@CNTs Catalyst under External Ligand Free Condition: Access to Isoquinolones and A DFT Study of Phytochemicals

ChemistrySelect, Journal Year: 2023, Volume and Issue: 8(23)

Published: June 13, 2023

Abstract Environmentally amiable biogenic strategy for in‐situ one‐step synthesis of Pd‐NPs decorated on carbon nanotubes (CNTs) and its synthetic utility C−H activation benzamides to access isoquinolones has been reported the first time. The phytochemicals present in Gliricidia sepium leaves extract was found be serve as a reducing agent reduce Pd (II) (0) subsequently acts stabilizing agent. formation Pd@CNTs confirmed by P ‐XRD, FE‐SEM, EDX ICP‐OES analysis technique with active content 42.82 % w/w. In addition, DFT study were conducted. catalytic activity showcased cost‐effective, step atom economic via N−H bond without aid external ligands. A series isoquinolone derivatives synthesized good excellent yields under air sole oxidant. catalyst recyclability mechanistic experiments deliberated. unveiled superior high durability towards hydrogen evolution reaction acidic media. attains current density 10 mA/cm2 at an over potential 127 mV small Tafel slope 41 mV/dec.

Language: Английский

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Nickel Nanoparticles Stabilized on B and N-Doped Graphitic Carbon as an Excellent Catalyst for One-Pot Synthesis of Industrially Important Flavoring Ketones

Topics in Catalysis, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 28, 2025

Language: Английский

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