Biosynthesis, characterization, and evaluation of bioactivities of leaf extract-mediated biocompatible silver nanoparticles from an early tracheophyte,&lt;em&gt; Pteris tripartita&lt;/em&gt; Sw.

Baskaran, Xavier-Ravi; Vigila, Antony Varuvel Geo; Thangaraj, Parimelazhagan; Muralidhara-Rao, Doulathabad; Zhang, Shouzhou

doi:10.2147/ijn.s108208

Cited by 47 publications

(15 citation statements)

References 65 publications

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“…The peaks at 3010–2850 and 1416–1480 cm −1 are attributed to aromatic fluorophores C-H stretching and bending, respectively 29 . The wide peak at 1630 cm −1 is assigned to the stretching vibrations of (-C = C), which was also observed in analogous systems 30 , 31 . Furthermore, the characteristic peaks of the (≡C-H) and (C≡C) stretching vibrations at 3230–3330 and 2115–2040 cm −1 , respectively observed for the free alkynyl fluorophores (see Supplementary Fig.…”

Section: Resultssupporting

confidence: 60%

Tuning the Optical Properties of Silicon Quantum Dots via Surface Functionalization with Conjugated Aromatic Fluorophores

Abdelhameed

Martir

Chen

et al. 2018

Sci Rep

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Silicon Quantum Dots (SQDs) have recently attracted great interest due to their excellent optical properties, low cytotoxicity, and ease of surface modification. The size of SQDs and type of ligand on their surface has a great influence on their optical properties which is still poorly understood. Here we report the synthesis and spectroscopic studies of three families of unreported SQDs functionalized by covalently linking to the aromatic fluorophores, 9-vinylphenanthrene, 1-vinylpyrene, and 3-vinylperylene. The results showed that the prepared functionalized SQDs had a highly-controlled diameter by HR-TEM, ranging from 1.7–2.1 nm. The photophysical measurements of the assemblies provided clear evidence for efficient energy transfer from the fluorophore to the SQD core. Fӧrster energy transfer is the likely mechanism in these assemblies. As a result of the photogenerated energy transfer process, the emission color of the SQD core could be efficiently tuned and its emission quantum efficiency enhanced. To demonstrate the potential application of the synthesized SQDs for bioimaging of cancer cells, the water-soluble perylene- and pyrene-capped SQDs were examined for fluorescent imaging of HeLa cells. The SQDs were shown to be of low cytotoxicity

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Section: Resultssupporting

confidence: 60%

Tuning the Optical Properties of Silicon Quantum Dots via Surface Functionalization with Conjugated Aromatic Fluorophores

Abdelhameed

Martir

Chen

et al. 2018

Sci Rep

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“…Higher TAC power was shown by 3mMACvAgNPs (67.68 ± 2.73 µg/mL) than the remaining 1mMCvAgNPs (116.14 ± 5.46 µg/mL) and 2mMCvAgNPs (96.72 ± 3.73 µg/mL) while standard ascorbic acid was shown 48.37 ± 2.66 µg/mL. Our results were resembled previous reports on leaf extract-mediated biocompatible AgNPs from Pteris tripartita ( Baskaran et al, 2016 ).…”

Section: Resultssupporting

confidence: 89%

Eco-friendly synthesis of silver nanoparticles from the whole plant of Cleome viscosa and evaluation of their characterization, antibacterial, antioxidant and antidiabetic properties

Yarrappagaari

Gutha

Narayanaswamy

et al. 2020

Saudi Journal of Biological Sciences

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“…Total antioxidant capacity (TAC) of the biosynthesized Fe 3 O 4 NPs was measured in accordance with phosphomolybdenum assay [36]. About 100 mg of dried leaf extract and the biosynthesized NPs were separately taken into a reaction vial and mixed with 0.05% dimethyl sulfoxide (DMSO).…”

Section: Total Antioxidant Capacity (Tac) and Dpph Assaysmentioning

confidence: 99%

“…DPPH scavenging activity of MNPs and leaf extract were determined by the 1,1-diphenyl-2-picryl-hydrazyl (DPPH) free radical scavenging assay in 96 well microtiter plate [36]. Briefly, 100 lL of each concentration (100-500 lg/mL in methanol) of the green synthesized Fe 3 O 4 NPs and aqueous leaf extract was mixed with 100 lL of DDPH (100 lM) solution and incubated in the dark condition and at room temperature for 1 h. After color change from violet to pale yellow, the absorbance of the mixtures was indicated at OD 517 nm .…”

Section: Total Antioxidant Capacity (Tac) and Dpph Assaysmentioning

confidence: 99%

Ultrasound assisted-phytofabricated Fe ₃ O ₄ NPs with antioxidant properties and antibacterial effects on growth, biofilm formation, and spreading ability of multidrug resistant bacteria

Alavi

Karimi

2019

Artificial Cells, Nanomedicine, and Biotechnology

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Complicated issue in infectious illnesses therapy is increasing of multidrug resistant (MDR) bacteria and biofilms in bacterial infections. In this way, emerging of nanotechnology as a new weapon specifically in the cases of metal nanoparticle (MNPs) synthesis and MNPs surface modification has obtained more attention. In this study, ultrasound-assisted green synthesis method was utilized for the preparation of Fe 3 O 4 NPs with novel shape (dendrimer) through leaf aqueous extract of Artemisia haussknechtii Boiss. Ultraviolet-visible spectroscopy, energy dispersive X-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), atomic force microscopic (AFM), X-ray diffraction (XRD) techniques were applied for MNPs physicochemical characterization. Also, disc diffusion assay, minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), planktonic and biofilm morphology of three pathogenic bacteria involving Serratia marcescens ATCC 13880, Escherichia coli ATCC 25922, and methicillin-resistant Staphylococcus aureus (MRSA) were evaluated upon treatment of Fe 3 O 4 NPs as antiplanktonic and antibiofilm analysis. Results showed efficient antiplanktonic and antibiofilm activities of biosynthesized Fe 3 O 4 NPs with average diameter size of 83.4 nm. Reduction in biofilm formation of S. aureus ATCC under Fe 3 O 4 NPs stress was significant (66%) in higher MNPs concentration (100 lg/mL). In addition, as first report, spreading ability of S. aureus as important factor in colony expansion on culture medium was reduced by increasing of Fe 3 O 4 NPs. Present study demonstrates striking antiplanktonic, antibiofilm, antispreading mobility and antioxidant aspects of one-pot biosynthesized Fe 3 O 4 NPs with novel shape.

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Biosynthesis, characterization, and evaluation of bioactivities of leaf extract-mediated biocompatible silver nanoparticles from an early tracheophyte,<em> Pteris tripartita</em> Sw.

Cited by 47 publications

References 65 publications

Tuning the Optical Properties of Silicon Quantum Dots via Surface Functionalization with Conjugated Aromatic Fluorophores

Tuning the Optical Properties of Silicon Quantum Dots via Surface Functionalization with Conjugated Aromatic Fluorophores

Eco-friendly synthesis of silver nanoparticles from the whole plant of Cleome viscosa and evaluation of their characterization, antibacterial, antioxidant and antidiabetic properties

Ultrasound assisted-phytofabricated Fe ₃ O ₄ NPs with antioxidant properties and antibacterial effects on growth, biofilm formation, and spreading ability of multidrug resistant bacteria

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Biosynthesis, characterization, and evaluation of bioactivities of leaf extract-mediated biocompatible silver nanoparticles from an early tracheophyte,<em> Pteris tripartita</em> Sw.

Cited by 47 publications

References 65 publications

Tuning the Optical Properties of Silicon Quantum Dots via Surface Functionalization with Conjugated Aromatic Fluorophores

Tuning the Optical Properties of Silicon Quantum Dots via Surface Functionalization with Conjugated Aromatic Fluorophores

Eco-friendly synthesis of silver nanoparticles from the whole plant of Cleome viscosa and evaluation of their characterization, antibacterial, antioxidant and antidiabetic properties

Ultrasound assisted-phytofabricated Fe 3 O 4 NPs with antioxidant properties and antibacterial effects on growth, biofilm formation, and spreading ability of multidrug resistant bacteria

Contact Info

Product

Resources

About

Ultrasound assisted-phytofabricated Fe ₃ O ₄ NPs with antioxidant properties and antibacterial effects on growth, biofilm formation, and spreading ability of multidrug resistant bacteria