研究目的
To minimize the negative impacts of synthetic procedures and to develop environmentally benign procedures for the synthesis of metallic nanoparticles, specifically silver nanoparticles, using Passiflora edulis f. flavicarpa aqueous leaf extract.
研究成果
The study successfully demonstrated the green synthesis of stable silver nanoparticles using Passiflora edulis f. flavicarpa aqueous leaf extract. The nanoparticles exhibited significant antibacterial, antioxidant, and photocatalytic activities, suggesting their potential applications in environmental remediation and healthcare.
研究不足
The study does not address the scalability of the synthesis process for industrial applications. The long-term stability and environmental impact of the synthesized nanoparticles were not extensively studied.
1：Experimental Design and Method Selection
The study utilized a green synthesis approach for the production of silver nanoparticles using Passiflora edulis f. flavicarpa aqueous leaf extract. The synthesized nanoparticles were characterized using various spectroscopic and microscopic techniques.
2：Sample Selection and Data Sources
Passiflora edulis f. flavicarpa leaves were collected from Munnar, Idukki district of Kerala, India. The leaves were washed, dried, and boiled in deionized water to prepare the extract.
3：List of Experimental Equipment and Materials
UV-visible spectrophotometer (specrtoscan UV-2600), Fluorescence spectrophotometer (F-7000 FL), FTIR spectrophotometer (Bruker), XRD (Bruker D8 advance), SEM (Quanta 200 FEG), TEM (JEO2100), Cyclic Voltammetric analyzer (CH silicone Voltammetric analyzer model 604 E).
4：Experimental Procedures and Operational Workflow
The synthesis involved mixing the plant extract with silver nitrate solution under varying conditions of temperature and pH. The nanoparticles were characterized for their optical, structural, and morphological properties. Their photocatalytic and antibacterial activities were also evaluated.
5：Data Analysis Methods
The data from UV-Vis, FTIR, XRD, SEM, and TEM were analyzed to confirm the formation and properties of silver nanoparticles. The photocatalytic degradation of dyes was measured spectrophotometrically, and antibacterial activity was assessed by the zone of inhibition method.
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XRD
Bruker D8 advance
Bruker
Used for analyzing the dried powder of silver nanoparticles.
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UV-visible spectrophotometer
specrtoscan UV-2600
Used for UV-visible spectral analysis of synthesized silver nanoparticles.
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Fluorescence spectrophotometer
F-7000 FL
Used for fluorescence measurements of the synthesized silver nanoparticles.
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FTIR spectrophotometer
Bruker
Used for recording FTIR spectra of the synthesized silver nanoparticles.
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SEM
Quanta 200 FEG
Used for scanning electron microscopy of the synthesized silver nanoparticles.
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TEM
JEO2100
Used for transmission electron microscopy to analyze particle size and crystalline nature of nanoparticles.
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Cyclic Voltammetric analyzer
CH silicone Voltammetric analyzer model 604 E
Used for cyclic voltammetric study of the synthesized silver nanoparticles.
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