A5007754004- Nanoparticles: synthesis and applications
- X-ray Diffraction in Crystallography
- Graphene research and applications
- Crystallization and Solubility Studies
- Mesoporous Materials and Catalysis
- Moringa oleifera research and applications
- Nanotechnology research and applications
- Insect Pest Control Strategies
- Advancements in Battery Materials
- Gold and Silver Nanoparticles Synthesis and Applications
- Arsenic contamination and mitigation
- Adsorption and biosorption for pollutant removal
- Graphene and Nanomaterials Applications
- Carbon Nanotubes in Composites
- Bioactive Natural Diterpenoids Research
- Catalytic Cross-Coupling Reactions
- Organic Electronics and Photovoltaics
- Medicinal Plants and Neuroprotection
- Silicon Effects in Agriculture
- Covalent Organic Framework Applications
- Plant Growth Enhancement Techniques
- Advanced Photocatalysis Techniques
- Computational Drug Discovery Methods
- Quantum Dots Synthesis And Properties
- Molecular Junctions and Nanostructures
Federal University Lafia
2013-2024
University of KwaZulu-Natal
2016-2019
Biosynthesizing of silver nanoparticles using microorganisms or various plant parts have proven more environmental friendly, cost-effective, energy saving and reproducible when compared to chemical physical methods. This investigation demonstrated the plant-mediated synthesis aqueous leaf extract Thevetia peruviana. UV–Visible spectrophotometer was used measure surface plasmon resonance at 460 nm. Fourier Transform Infrared showed that glycosidic –OH carbonyl functional group present in were...
Abstract Arsenic (As) is a heavy metal that toxic to both plants and animals. Silicon nanoparticles (SiNPs) can alleviate the detrimental effects of metals on plants, but underlying mechanisms remain unclear. The study aims synthesize SiNPs reveal how they promote plant health in Arsenic-polluted soil. 0 100% v/v were applied soil, 3.2 g/ml twice. Maize growth was monitored until maturity. Small, irregular, spherical, smooth, non-agglomerated with peak absorbance 400 nm synthesized from...
Aqueous extract of Kigelia africana fruits have been utilized in the syntheses silver nanoparticles (AgNPs) and copper-silver bimetallic (Ag-CuNPs). The synthesized characterized using UV-vis, Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy/energy dispersive X-ray analysis (SEM/EDX), x-ray diffration (XRD) transmission microscopy (TEM). antimicrobial activities evaluated against both Grams-negative Grams-positive strains bacteria fungus. UV-vis FTIR techniques...
In this report, synthesis, growth and formation kinetics of silver nanoparticles mediated by various plant extracts in their biodiversity have been monitored using UV–Vis spectrophotometer sampling at time intervals during bioreduction process. Plasmon band resonance the was observed as reaction progresses indicating nucleation particle formation. There were cases red shifting size increase. process, onset nanoparticle within 2, 5, 10 or 30 min eventual spherical quazi-spherical amidst...
Two Schiff bases, (E)-N-(4-bromophenyl)-1-(2,6-dichlorophenyl)methanimine (S1) and (E)-4-(((4-bromophenyl)imino)methyl)phenol (S2) were synthesized elucidated using basic spectroscopic methods such as Fourier-transform-infrared, Ultraviolet-visible well 1H & 13C-NMR while purity of the compounds was ascertained by means elemental analysis. The stability, chemical reactivities electronic properties S1 S2 evaluated Density Functional Theory (DFT). Energy band gap (?E) are 2.81 eV 3.02...
Biosynthesized silver nanoparticles (AgNPs) using Cassia hirsuta aqueous leaf extract were reported in this study. The synthesis was optimized by measuring various parameters such as temperature, time, volume ratio, and concentration. surface plasmon resonance at 440 nm for 30°C 420 both 50°C 70°C measured the UV-Vis spectrophotometer confirmed formation of AgNPs synthesized C . (CAgNPs). functional groups responsible reduction stabilization NPs identified Fourier Transform Infrared (FTIR)....
We have investigated the green synthesis and antimicrobial activity of silver nanoparticles using Garcinia kola. Aqueous extract G. kola was used to reduce AgNO3 solution obtain black nanocrystal nanoparticles. Antimicrobial tested against Escherichia coli, Klebsiella pneumonia, Bacillus subtilis, Staphylococcus aureus, Aspergillus niger, Rhizopus stolonifer Candida albican. The synthesized nanoparticles characterized UV-vis spectroscopy, X-ray diffraction (XRD), Transmission...
Abstract Silica nanoparticles (SiNPs) and graphene oxide (GO) are two promising nanomaterial that have attracted considerable attention for their unique properties applications. However, the conventional synthesis methods of SiNPs GO often involve hazardous chemicals high energy consumption, which pose environmental economic challenges. Therefore, green sustainable highly desirable. In this review, we summarize recent advances in using various natural sources, such as plants, fungi,...
In this study, green synthesis methods were employed to fabricate zinc oxide nanoparticles (ZnONPs) using Newbouldia laevis leaves plant extract. Several analytical methods, including Fourier-Transform Infrared Spectroscopy (FTIR), Thermogravimetric Analysis (TGA), Transmission Electron Microscopy (TEM), and UV-Vis spectrophotometer, used characterise the synthesised ZnONPs. The of ZnONPs with distinct properties was successfully demonstrated by structural morphological investigations....
Cell and sub-cellular anatomical adjustments are adaptations utilized by plants to tolerate abiotic stress. Both melatonin Morinda lucida-silver nanoparticles (ML-AgNPs) recognized as bio-stimulants. The study examined the morphological changes adaptive characteristics of these bio-stimulants under water-stress Eugenia uniflora. Twenty-four hours was spent priming seeds with (0.06 mg/L), ML-AgNPs a mixture (1:1) two. were sown subjected water stress for 7 days. leaves, stems, roots...
Six ferrocenyl imidazole derivatives substituted with -Cl, -NO2 and -CH3 on the 2-position of 1H-imidazole ring have been synthesized. Of six compounds, di-substituted ferrocenes, i.e. compounds 4 (1,1'-ferrocenylmethyl(2-chloroimidazole)), 5 (1,1'-ferrocenyl(2-nitroimidazole)), 6 (1,1'-ferrocenylmethyl(2-methylimidazole)) are reported for first time. The structure-property relationships 4, were investigated by means UV-visible, FTIR, 1H-NMR, 13C-NMR spectroscopy electrochemical studies....
This study investigated the photocatalytic and antibacterial activities of plant-mediated silver nanoparticles (AgNPs) from a medicinal plant extract Khaya senegalensis (K. senegalensis) oxygen functionalized carbon nanotubes (oCNTs), respectively. The CNTs were using acid treatment. green synthesized AgNPs K. (KS-AgNPs) oCNTs characterized by UV–Visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), transmission emission microscopy (TEM), scanning electron (SEM), X-ray...
The studies showed the effectiveness of green-synthesized SiO2NPs in mitigating toxicity Arsenic. Density Functional Theory (DFT) is a computational method used to determine electronic structure, energy gap, and prediction. Experimentally, silicon nanoparticles 0 (S0) 100% v/v (S100) were applied surface soil. 150 mL Arsenic trioxide was twice at rate (As0) 3.2 g/mL (As3.2) an interval three weeks. Green synthesized possessed higher chemical potential (µ) electrophilicity index;...
Perovskite solar cells (PSCs) made with metal halide are affordable and can give better efficiency values than older versions but their low is still a concern. Two were fabricated one had Multi wall Carbon nanotube (MWCNT) in its design. The effect of the Multi-wall on performance power conversion studied. MWCNT m-TiO2 materials characterised using UV-vis spectroscopy optical energy band gap obtained. TiO2 showed prominent peak at 319 nm absorbance 0.5 bandgap 2.59 eV falls visible region...