scholarly journals Synthesis approach-dependent antiviral properties of silver nanoparticles and nanocomposites

2022 ◽  
Author(s):  
Jaison Jeevanandam ◽  
Saravanan Krishnan ◽  
Yiik Siang Hii ◽  
Sharadwata Pan ◽  
Yen San Chan ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Synthesis Approach

Optimization of Green Synthesis Approach of Silver Nanoparticles Using Indonesian Wild Honey

2021 ◽  
Vol 891 ◽  
pp. 111-115
Author(s):  
Maradhana Agung Marsudi ◽  
Farah Fitria Sari ◽  
Pandu Mauliddin Wicaksono ◽  
Adinda Asmoro ◽  
Arif Basuki ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Silver Nanoparticles ◽  
Green Synthesis ◽  
Synthesis Method ◽  
X Ray Diffraction ◽  
X Ray ◽  
Particle Count ◽  
Transmission Electron ◽  
Nitrate Precursor ◽  
Synthesis Approach

In this work, silver nanoparticles have been successfully synthesized using simple and environmentally friendly ‘green synthesis’ method using Indonesian wild honey as mediator. Particle count and size can be optimized by varying the silver nitrate precursor and honey concentration, with the help of sodium hydroxide as pH regulator. Based on X-ray diffraction (XRD) result, crystalline structure of Ag has been confirmed in sample with impurities from AgCl. Based on dynamic light scattering (DLS) and transmission electron microscopy (TEM) results, it was found that the smallest average particles size of AgNPs (117.5 nm from DLS and 11.1 nm from TEM) was obtained at sample with 5% w/v of honey and 0.5 mM of AgNO3.

Stability Enhancement of Silver Nanoparticles Through Surface Encapsulation via a Facile Green Synthesis Approach and Toxicity Reduction

2019 ◽  
Vol 30 (6) ◽  
pp. 1956-1965 ◽  
Author(s):  
Mahmuda Akter ◽  
A. K. M. Atique Ullah ◽  
Md. Shiblur Rahaman ◽  
Md. Mostafizur Rahman ◽  
Md. Tajuddin Sikder ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Green Synthesis ◽  
Toxicity Reduction ◽  
Stability Enhancement ◽  
Synthesis Approach

A novel green synthesis approach for polymer nanocomposites decorated with silver nanoparticles and their antibacterial activity

The Analyst ◽  
2014 ◽  
Vol 139 (22) ◽  
pp. 5793-5799 ◽  
Author(s):  
Guofang Chen ◽  
Jingran Lu ◽  
Clarissa Lam ◽  
Yong Yu
Keyword(s):  
Silver Nanoparticles ◽  
Antibacterial Activity ◽  
Green Synthesis ◽  
Polymer Nanocomposites ◽  
Polymer Composite ◽  
High Purity ◽  
Synthesis Strategy ◽  
Polymer Colloid ◽  
Synthesis Approach

A novel green synthesis strategy was developed for polymer composite spheres decorated with silver nanoparticles, mediated by a polymer colloid support itself, which are very stable and of high purity with excellent antibacterial activity.

scholarly journals Antiplasmodial activity of silver nanoparticles: A novel green synthesis approach

2018 ◽  
Vol 8 (5) ◽  
pp. 268 ◽  
Author(s):  
Sanjay Kumar ◽  
Madhur Sardana ◽  
Varnika Agarwal ◽  
Akansha Pant ◽  
Vinita Kapoor ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Green Synthesis ◽  
Antiplasmodial Activity ◽  
Synthesis Approach

scholarly journals Characterization of Silver NanoparticleIn SituSynthesis on Porous Sericin Gel for Antibacterial Application

2016 ◽  
Vol 2016 ◽  
pp. 1-8 ◽  
Author(s):  
Gang Tao ◽  
Lina Liu ◽  
Yejing Wang ◽  
Huaipu Chang ◽  
Ping Zhao ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Irradiation Time ◽  
Inhibition Zone ◽  
Antimicrobial Activities ◽  
Scanning Calorimetry ◽  
Structure And Property ◽  
Gram Positive Bacteria ◽  
Synthesis Approach

Sericin fromBombyx moricocoon has good hydrophilicity, reaction activity, biocompatibility, and biodegradability, which has shown great potentials for biomedical materials. Here, an ultraviolet light-assistedin situsynthesis approach is developed to immobilize silver nanoparticles on the surface of sericin gel. The amount of silver nanoparticles immobilized on the surface of sericin gel could be regulated by the irradiation time. The porous structure and property of sericin gel were not affected by the modification of AgNPs, as evidenced by the observation of scanning electron microscopy, X-ray diffractometry, and Fourier transform infrared spectroscopy. Differential scanning calorimetry analysis showed that the modification of AgNPs increased the thermal stability of sericin gel. The growth curve of bacteria and inhibition zone assays suggested that the sericin gel modified with AgNPs had good antimicrobial activities against both Gram-negative and Gram-positive bacteria. This novel sericin has shown a great potential for biomedical purpose.

scholarly journals A mechanistic study of silver nanostructure incorporating reduced graphene oxide via a flow synthesis approach

2020 ◽  
Vol 44 (4) ◽  
pp. 1439-1445 ◽  
Author(s):  
Kam Sheng Lau ◽  
Sin Tee Tan ◽  
Riski Titian Ginting ◽  
Poi Sim Khiew ◽  
Siew Xian Chin ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Silver Nanowires ◽  
Mechanistic Study ◽  
Flow Synthesis ◽  
Silver Nanostructure ◽  
Reduced Graphene ◽  
Synthesis Approach

An improved capacitive behaviour of reduced graphene oxide with the incorporation of silver nanoparticles and silver nanowires.

scholarly journals Green Synthesis of Silver Nanoparticles Using Extract of Cilembu Sweet Potatoes (Ipomoea batatas L var. Rancing) as Potential Filler for 3D Printed Electroactive and Anti-Infection Scaffolds

Molecules ◽  
2021 ◽  
Vol 26 (7) ◽  
pp. 2042
Author(s):  
Arie Wibowo ◽  
Gusti U. N. Tajalla ◽  
Maradhana A. Marsudi ◽  
Glen Cooper ◽  
Lia A. T. W. Asri ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Green Synthesis ◽  
Ipomoea Batatas ◽  
Conductive Filler ◽  
Biological Assessment ◽  
Sweet Potatoes ◽  
Transmission Electron ◽  
3D Printed ◽  
Toxic Organic Solvents ◽  
Synthesis Approach

Electroactive biomaterials are fascinating for tissue engineering applications because of their ability to deliver electrical stimulation directly to cells, tissue, and organs. One particularly attractive conductive filler for electroactive biomaterials is silver nanoparticles (AgNPs) because of their high conductivity, antibacterial activity, and ability to promote bone healing. However, production of AgNPs involves a toxic reducing agent which would inhibit biological scaffold performance. This work explores facile and green synthesis of AgNPs using extract of Cilembu sweet potato and studies the effect of baking and precursor concentrations (1, 10 and 100 mM) on AgNPs’ properties. Transmission electron microscope (TEM) results revealed that the smallest particle size of AgNPs (9.95 ± 3.69 nm) with nodular morphology was obtained by utilization of baked extract and ten mM AgNO3. Polycaprolactone (PCL)/AgNPs scaffolds exhibited several enhancements compared to PCL scaffolds. Compressive strength was six times greater (3.88 ± 0.42 MPa), more hydrophilic (contact angle of 76.8 ± 1.7°), conductive (2.3 ± 0.5 × 10−3 S/cm) and exhibited anti-bacterial properties against Staphylococcus aureus ATCC3658 (99.5% reduction of surviving bacteria). Despite the promising results, further investigation on biological assessment is required to obtain comprehensive study of this scaffold. This green synthesis approach together with the use of 3D printing opens a new route to manufacture AgNPs-based electroactive with improved anti-bacterial properties without utilization of any toxic organic solvents.

Influence of different synthesis approach on doping behavior of silver nanoparticles onto the iron oxide–silica coreshell surfaces

2012 ◽  
Vol 14 (8) ◽  
Author(s):  
Norsuria Mahmed ◽  
Hua Jiang ◽  
Oleg Heczko ◽  
Outi Söderberg ◽  
Simo-Pekka Hannula
Keyword(s):  
Silver Nanoparticles ◽  
Iron Oxide ◽  
Doping Behavior ◽  
Synthesis Approach

Facile Eco-compactable Design for Synthesis and Characterizing of Silver Nanoparticles

2020 ◽  
Vol 10 ◽  
Author(s):  
Pratik Kumar Jagtap ◽  
Rupesh Kumar Meher ◽  
Madhuri Madhusmita Biswal
Keyword(s):  
Silver Nanoparticles ◽  
Average Particle Size ◽  
Reduction Process ◽  
Nano Particles ◽  
Average Particle ◽  
X Ray Diffraction ◽  
Particle Dimension ◽  
Vis Spectroscopy ◽  
Before And After ◽  
Synthesis Approach

Background: The synthesis of metal Nanoparticles is a growing area of research interest due to its potential in the applications and development of advanced technologies. Here we have stressed on the Facile green synthesis approach that connects the nanotechnology and biotechnology. Methods: The method involves use of biological reducing agent cum stabilizing agent (capping agent). A comparative account of particle dimension and surface properties of the synthesized nano particles using Broccoli (Brassicaoleracea var.italica) extract is also presented. Results: The reduction process used in the synthesis was simple and convenient to handle and monitored by UV--Vis spectroscopy showing the absorbance maxima of various samples at 322nm, 496nm and 536nm using different solvents. The presence of active proteins and phenolic groups present in biomass before and after reduction was identified by FTIR. Conclusion: The crystalline morphology and size of the Nanoparticles were examined by TEM, SEM and X-ray diffraction studies, which showed the average particle size of Silver Nanoparticles in the range of 40- 50 nm as well as revealed their FCC structure.

Synthesis and characterization of magnetic elongated hollow mesoporous silica nanocapsules with silver nanoparticles

2016 ◽  
Vol 4 (5) ◽  
pp. 1771-1783 ◽  
Author(s):  
Guijia Cui ◽  
Zebin Sun ◽  
Haizhen Li ◽  
Xiaoning Liu ◽  
Yan Liu ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Mesoporous Silica ◽  
Template Synthesis ◽  
Synthesis And Characterization ◽  
Hollow Mesoporous Silica ◽  
First Time ◽  
Synthesis Approach ◽  
Silica Nanocapsules

In this study, magnetic elongated hollow mesoporous silica nanocapsules (MSNCs) with center-radial pore channels were successfully fabricated for the first time by using the surfactant-template synthesis approach.

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