2022
DOI: 10.3390/molecules27227792
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Antibacterial, Antioxidant, Larvicidal and Anticancer Activities of Silver Nanoparticles Synthesized Using Extracts from Fruits of Lagerstroemia speciose and Flowers of Couroupita guianensis

Abstract: The present study aimed to analyze the in vitro antibacterial, antioxidant, larvicidal and cytotoxicity properties of green synthesized silver nanoparticles (Ag NPs) using aqueous extracts from fruits of Lagerstroemia speciosa and flowers of Couropita guinensis. Synthesized Ag NPs were characterized using UV-DRS, FTIR, XRD, DLS, and High-Resolution SEM and TEM analyses. Absorption wavelength was observed at 386 nm by UV-DRS analysis and energy band gap was calculated as 3.24 eV. FTIR analysis showed the existe… Show more

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Cited by 6 publications
(3 citation statements)
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“…Ag NPs and cellulose/Ag NPs were tested for their capacity to degrade free radicals using the DPPH (1, 1, diphenyl 2, 2, picrylhydrazyl) scavenging assay. , DPPH was used to evaluate the amounts of cellulose/Ag NPs (200–1000 g/mL). The following percentage (%) DPPH degradation properties for cellulose/Ag NPs were calculated: Scavenging ability of DPPH (%) = [( A sample – A blank )/ A control ] × 100, where A control is the control absorbance at 30 min and A sample is the sample absorbance at 30 min.…”
Section: Methodsmentioning
confidence: 99%
“…Ag NPs and cellulose/Ag NPs were tested for their capacity to degrade free radicals using the DPPH (1, 1, diphenyl 2, 2, picrylhydrazyl) scavenging assay. , DPPH was used to evaluate the amounts of cellulose/Ag NPs (200–1000 g/mL). The following percentage (%) DPPH degradation properties for cellulose/Ag NPs were calculated: Scavenging ability of DPPH (%) = [( A sample – A blank )/ A control ] × 100, where A control is the control absorbance at 30 min and A sample is the sample absorbance at 30 min.…”
Section: Methodsmentioning
confidence: 99%
“…Antioxidant activity as measured by the DPPH (1, 1, diphenyl 2, 2, picrylhydrazyl) Scavenging [37,38] Assay Using the DPPH technique, the free radical degrading abilities of ENFADH were assessed [39]. The percentage (%) of ENFADH DPPH-degrading abilities were computed as follows and used to determine the ENFADH at concentrations ranging from 200 to 1000 µg/ml:…”
Section: Antioxidant Dpph Radical Scavenging Assaymentioning
confidence: 99%
“…(ENFADH) derivative compound has demonstrated broad-spectrum, strong antibacterial activity. Using streptomycin as a positive control, a derivative of ENFADH demonstrated broad-spectrum antibacterial e cacy against Gram (+) and Gram (-) bacteria [75]. It demonstrated signi cant bactericidal activity with a maximum zone of inhibition of 19.0 ± 1.7 mm at 2.5 g/ml against Pseudomonas aeruginosa (ATCC 27853) and a minimum zone of inhibition of 12.6 ± 1.1 mm against Bacillus subtilis (MTCC 441) (Table 5 and Fig.…”
Section: Antibacterial Activitiesmentioning
confidence: 99%