Green Synthesis of Silver Nanoparticle Capped with Allium cepa and Their Catalytic Reduction of Textile Dyes: An Ecofriendly Approach

Sharma, Prashansa; Pant, Suman; Rai, Shambhavi; Yadav, Reena; Dave, Vivek

doi:10.1007/s10924-017-1081-7

Cited by 58 publications

(29 citation statements)

References 28 publications

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“…Nanoscale-sized metal particles are indispensable in numerous industrially important applications such as catalysis [ 1 , 2 , 3 ], healthcare (targeted cancer therapy [ 4 ], antibacterial treatment of medical devices [ 5 , 6 ], biochips [ 7 ], drug delivery [ 8 ]), cosmetics [ 9 ], and the textile industry [ 10 , 11 ]. The typical characteristics of materials exploitable in these applications are the large interaction area between active components (nanoparticles (NPs)) and the environment with simultaneous minimal leakage or targeted release of those active components from the reaction/interaction area into surroundings.…”

Section: Introductionmentioning

confidence: 99%

Optomechanical Processing of Silver Colloids: New Generation of Nanoparticle–Polymer Composites with Bactericidal Effect

Siegel

Kaimlová

Vyhnálková

et al. 2020

IJMS

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The properties of materials at the nanoscale open up new methodologies for engineering prospective materials usable in high-end applications. The preparation of composite materials with a high content of an active component on their surface is one of the current challenges of materials engineering. This concept significantly increases the efficiency of heterogeneous processes moderated by the active component, typically in biological applications, catalysis, or drug delivery. Here we introduce a general approach, based on laser-induced optomechanical processing of silver colloids, for the preparation of polymer surfaces highly enriched with silver nanoparticles (AgNPs). As a result, the AgNPs are firmly immobilized in a thin surface layer without the use of any other chemical mediators. We have shown that our approach is applicable to a broad spectrum of polymer foils, regardless of whether they absorb laser light or not. However, if the laser radiation is absorbed, it is possible to transform smooth surface morphology of the polymer into a roughened one with a higher specific surface area. Analyses of the release of silver from the polymer surface together with antibacterial tests suggested that these materials could be suitable candidates in the fight against nosocomial infections and could inhibit the formation of biofilms with a long-term effect.

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Section: Introductionmentioning

confidence: 99%

Optomechanical Processing of Silver Colloids: New Generation of Nanoparticle–Polymer Composites with Bactericidal Effect

Siegel

Kaimlová

Vyhnálková

et al. 2020

IJMS

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“…The sharp band appeared at 1636.9 cm −1 signified the ─C─H stretching of aromatics . The small band at 2900.3 cm −1 wavenumber was due to the ─OH stretching of phenolic compounds present in the extract . The small bands from 1,075.63 to 1,373.78 cm −1 correspond to ─C═O stretching of ether, ─C─O vibrations of carboxylic acid, ─C─N vibrations of primary amines .…”

Section: Resultsmentioning

confidence: 96%

“…39 The small band at 2900.3 cm −1 wavenumber was due to the ─OH stretching of phenolic compounds present in the extract. 40 The small bands from ─C─O vibrations of carboxylic acid, ─C─N vibrations of primary amines. 41 Small peaks obtained around 600-800 cm −1 occurred due to aromatic phosphate stretching (P─O─P) or monosubstituted aromatic rings.…”

Section: Fourier Transform Infra-red Spectroscopymentioning

confidence: 99%

Biogenic fabrication of iron nanoadsorbents from mixed waste biomass for aqueous phase removal of alizarin red S and tartrazine: Kinetics, isotherm, and thermodynamic investigation

Gautam

Shivapriya

Banerjee

et al. 2019

Env Prog and Sustain Energy

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Present work deals with the facile and ecologically viable production of iron nanoadsorbents by utilizing different waste plant biomass, orange peel, flower waste, and environmentally harmful Alligator weed. The as‐prepared nanoadsorbents were applied for the aqueous phase minimization of toxic dyes, alizarin red S and tartrazine. Different techniques, namely, X‐ray diffraction, Fourier transform infra‐red spectroscopy, scanning electron microscopy, dynamic light scattering and magnetic properties measurement system, were applied to characterize the synthesized material. Impact of various experimental conditions like pH, adsorbent dose, contact time, and temperature on removal trend was examined. The acidic medium positively favored the process of sorption. Kinetic analysis revealed that the adsorption of both the dyes followed pseudo‐second‐order kinetic model. Equilibrium sorption data were fitted better to Freundlich model as compared with Langmuir model. The maximum adsorption capacities at 50°C were 42.58 and 68.78 mg g–1 for alizarin red S and tartrazine at pH 4.0 and 2.0, respectively. Thermodynamic parameters exhibited that the sorption of both the dyes onto nanoadsorbent was spontaneous and endothermic with increased randomness at the solid–liquid interface. Desorption experiment demonstrated that the regenerated adsorbent can be recycled efficiently up to three times. Overall, the prepared nanomaterials exhibit remarkable removal competency for both dyes tested like alizarin red S and tartrazine.

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“…Scanning electron microscopy (SEM) was performed using lyophilized sample fixed on carbon tape and palladium coating was done to provide the conductivity to the sample during the electron bombardment. Imaging was done using SEM (Banasthali Vidyapith, Rajasthan, India) performed at 20 kV at magnification of 3300x, 19,000x [8].…”

Section: Methodsmentioning

confidence: 99%

Flurbiprofen loaded ethosomes - transdermal delivery of anti-inflammatory effect in rat model

et al. 2019

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Background Ethosomes have been widely used in Transdermal Drug Delivery System (TDDS) as they increase the permeation of drug across the skin. Methods Flurbiprofen loaded vesicular ethosomes were formulated, optimized and characterized for particle size, entrapment efficiency, poly dispersive index (PDI), microscopy using Atomic force microscopy (AFM), Scanning electron microscope (SEM) and Transmission electron microscopy (TEM) and Interaction of drug and excipients were studied using Fourier transform infra-red (FTIR) spectroscopy, Differential scanning colorimetry (DSC), Thermo gravimetric analysis (TGA). Further, ethosomal formulations of flurbiprofen were evaluated for stability study of three months and in vitro drug permeation study was carried out using albino rat skin. In addition, skin irritation test was evaluated by Draize test and in vivo study of prepared formulation was examined through paw edema assay by inducing carrageenan and cold plate method. Results Amongst all formulations, EF5 formulation exhibited ideal surface morphology, with maximum entrapment efficiency (95%) with optimal excipient concentration i.e. 200 mg phospholipid and 35% ethanol. The ideal vesicle size was achieved as 162.2 ± 2 nm, with zeta potential − 48.14 ± 1.4 mV with the PDI of 0.341. In-vitro permeation study shows a release of 82.56 ± 2.11 g/cm 2 in 24 h and transdermal flux was found as 226.1 μg/cm 2 /h. Cold plate test indicates that the formulation EF5 showed a marked analgesic activity and Carrageenan induced paw edema test indicates that the formulation EF5 inhibits the increase in paw edema. Ethosomal suspension at 4 °C showed maximum stability. Conclusions The overall study concluded that this ethosomal approach offers a new delivery system for sustained and targeted delivery for flurbiprofen. Electronic supplementary material The online version of this article (10.1186/s12944-019-1064-x) contains supplementary material, which is available to authorized users.

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Green Synthesis of Silver Nanoparticle Capped with Allium cepa and Their Catalytic Reduction of Textile Dyes: An Ecofriendly Approach

Cited by 58 publications

References 28 publications

Optomechanical Processing of Silver Colloids: New Generation of Nanoparticle–Polymer Composites with Bactericidal Effect

Optomechanical Processing of Silver Colloids: New Generation of Nanoparticle–Polymer Composites with Bactericidal Effect

Biogenic fabrication of iron nanoadsorbents from mixed waste biomass for aqueous phase removal of alizarin red S and tartrazine: Kinetics, isotherm, and thermodynamic investigation

Flurbiprofen loaded ethosomes - transdermal delivery of anti-inflammatory effect in rat model

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