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Relevant bibliographies by topics / CHITOSAN-SILVER NANOPARTICLE

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Journal articles

Academic literature on the topic 'CHITOSAN-SILVER NANOPARTICLE'

Author: Grafiati

Published: 11 September 2023

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Journal articles on the topic "CHITOSAN-SILVER NANOPARTICLE"

1

Akmaz, Solmaz, Esra Dilaver Adıgüzel, Muzaffer Yasar, and Oray Erguven. "The Effect of Ag Content of the Chitosan-Silver Nanoparticle Composite Material on the Structure and Antibacterial Activity." Advances in Materials Science and Engineering 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/690918.

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The aim of this study is to investigate the antibacterial properties and characterization of chitosan-silver nanoparticle composite materials. Chitosan-silver nanoparticle composite material was synthesized by adding AgNO3and NaOH solutions to chitosan solution at 95°C. Different concentrations (0,02 M, 0,04 M, and 0,06 M) of AgNO3were used for synthesis. Chitosan-silver nanoparticle composite materials were characterized by Transmission electron microscopy (TEM), X-ray diffraction (XRD), ultraviolet (UV) spectrophotometer, and Fourier transform infrared (FTIR) spectrometer techniques.Escheric

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2

Rohaeti, Eli, Endang WLFX, and Anna Rakhmawati. "Bacterial Cellulose From Rice Waste Water With Addition Chitosan, Glycerol, And Silver Nanoparticle." Molekul 11, no. 1 (2016): 9. http://dx.doi.org/10.20884/1.jm.2016.11.1.190.

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This study aimed to prepare silver nanoparticles chemically, deposite silver nanoparticles on bacterial cellulose-chitosan-glycerol composite based rice waste water, as well as test the antibacterial activity of bacterial cellulose and its composite. Preparation of silver nanoparticles was conducted by chemical reduction of silver nitrate solution, as well as trisodium citrate as the reductor. Bacterial cellulose from rice waste water is fermented by the bacteria Acetobacter xylinum for 7 days. The dried bacterial cellulose was composited with chitosan and glycerol by immersion method on 2% of

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3

Rohaeti, Eli, Endang Widjajanti Laksono FX, and Anna Rakhmawati. "Kemudahan Biodegradasi Selulosa Bakteri dari Limbah Cucian Beras dengan Penambahan Gliserol, Kitosan, dan Nanopartikel Perak." Jurnal Kimia VALENSI 2, no. 1 (2016): 35–44. http://dx.doi.org/10.15408/jkv.v2i1.3083.

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The objectives of this research were to study the effect of glycerol and chitosan addition toward biodegradability of cellulose based rice waste water, the effect of biodegradation time toward mass lost and biodegradability, and determine functional group and crystalinity of the highest biodegradability composite. Bacterial celluloses were prepared from 100 mL rice waste water that fermented by Acetobacter xylinum for 7 days with addition of glycerol (for Cellulose-Glycerol and Cellulose-Glycerol-Chitosan). Then, bacterial celluloses were immersed in chitosan solution (for Cellulose-Chitosan a

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4

Wulandari, Ika O., Baiq E. Pebriatin, Vita Valiana, Saprizal Hadisaputra, Agus D. Ananto, and Akhmad Sabarudin. "Green Synthesis of Silver Nanoparticles Coated by Water Soluble Chitosan and Its Potency as Non-Alcoholic Hand Sanitizer Formulation." Materials 15, no. 13 (2022): 4641. http://dx.doi.org/10.3390/ma15134641.

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The synthesis of silver nanoparticles using plant extracts, widely known as a green synthesis method, has been extensively studied. Nanoparticles produced through this method have applications as antibacterial agents. Bacterial and viral infection can be prevented by use of antibacterial agents such as soap, disinfectants, and hand sanitizer. Silver nanoparticles represent promising hand sanitizer ingredients due to their antibacterial activity and can enable reduced use of alcohol and triclosan. This study employed silver nanoparticles synthesized using Kepok banana peel extract (Musa paradis

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5

Nazmul Islam, A. B. M. "Preparation of Chitosan-Silver Nanoparticles in Nonaqueous Medium under Heating." International Letters of Chemistry, Physics and Astronomy 58 (September 2015): 1–8. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.58.1.

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Chitosan-silver nanoparticles are prepared in nonaqueous medium. In this work, sodium dodecyl sulfate (SDS) was introduced into the dimethylformamide (DMF) solution during silver reduction from solution of its precursor salt AgNO3, acting as a stabilizing agent to prevent aggregation of silver nanoparticles, while chitosan is used as the solid support to embedded silver particles therein, resulting in chitosan-silver (CS-Ag) nanoparticle as suspension in the medium. The reaction started as homogeneous system which turned into heterogeneous with the formation of particles. The properties of CS-

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6

Nazmul Islam, A. B. M. "Preparation of Chitosan-Silver Nanoparticles in Nonaqueous Medium under Heating." International Letters of Chemistry, Physics and Astronomy 58 (September 2, 2015): 1–8. http://dx.doi.org/10.56431/p-3685e3.

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Chitosan-silver nanoparticles are prepared in nonaqueous medium. In this work, sodium dodecyl sulfate (SDS) was introduced into the dimethylformamide (DMF) solution during silver reduction from solution of its precursor salt AgNO3, acting as a stabilizing agent to prevent aggregation of silver nanoparticles, while chitosan is used as the solid support to embedded silver particles therein, resulting in chitosan-silver (CS-Ag) nanoparticle as suspension in the medium. The reaction started as homogeneous system which turned into heterogeneous with the formation of particles. The properties of CS-

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7

Subitha, R., P. Senthilkumar, and K. Gobinath. "In vivo wound healing potential of chitosan gel based silver nanoparticles synthesized from Martynia annua." Research Journal of Biotechnology 17, no. 9 (2022): 119–33. http://dx.doi.org/10.25303/1709rjbt1190133.

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A green synthesis of silver nanoparticles (AgNPs) incorporated chitosan gel for wound healing applications was developed using medicinal plant Martynia annua fresh leaves extract. The utilization of various medicinal plant materials for the biosynthesis of nanoparticles is considered a green synthetic technology as it does not require any harmful chemicals. The present study dealt with green synthesized AgNPs from M. annua followed by being incorporating into chitosan gel as a delivery system to evaluate their wound healing potential. Attrition of silver nitrate was used to synthesize silver n

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8

Zemlyakova, Evgeniya S., Anna V. Tcibulnikova, Vasilyi A. Slezhkin, Andrey Yu Zubin, Ilya G. Samusev, and Valeryi V. Bryukhanov. "The infrared spectroscopy of chitosan films doped with silver and gold nanoparticles." Journal of Polymer Engineering 39, no. 5 (2019): 415–21. http://dx.doi.org/10.1515/polyeng-2018-0356.

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AbstractThis work presents the dependences of the absorption intensity of the acid-soluble chitosan biopolymer films in the infrared (IR) region of the spectrum on the concentrations of silver and gold nanoparticles (NPs) of different morphologies. The interaction mechanisms in the vibrational spectra overlapping area of the silver NPs and chitosan molecules (2500–3500 cm−1) were observed. The influence of the metal NPs on the dipole moments of the OH-, NH3+- and CH-chitosan molecule group oscillations was established. This interaction leads to a linear increase of the IR absorption intensity

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9

Hermosilla, Edward, Marcela Díaz, Joelis Vera, et al. "Synthesis of Antimicrobial Chitosan-Silver Nanoparticles Mediated by Reusable Chitosan Fungal Beads." International Journal of Molecular Sciences 24, no. 3 (2023): 2318. http://dx.doi.org/10.3390/ijms24032318.

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Nanoparticles, especially silver nanoparticles (Ag NPs), have gained significant attention in recent years as potential alternatives to traditional antibiotics for treating infectious diseases due to their ability to inhibit the growth of microorganisms effectively. Ag NPs can be synthesized using fungi extract, but the method is not practical for large-scale production due to time and biomass limitations. In this study, we explore the use of chitosan to encapsulate the mycelia of the white-rot fungus Stereum hirsutum and form chitosan fungal beads for use in multiple extractions and nanoparti

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10

Susilowati, Endang, Mohammad Masykuri, Maria Ulfa, and Dyah Puspitasari. "Preparation of Silver-Chitosan Nanocomposites Colloidal and Film as Antibacteri Material." JKPK (Jurnal Kimia dan Pendidikan Kimia) 5, no. 3 (2020): 300. http://dx.doi.org/10.20961/jkpk.v5i3.46711.

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<p>Colloidal nanocomposites silver-chitosan have been made. Silver nanoparticles were produced by chemical reduction methods assisted microwave irradiation using chitosan from crab shells as a reducing agent and stabilizer, AgNO<sub>3 </sub>as a precursor and NaOH as an accelerator. This study investigated AgNO<sub>3</sub> concentration toward localized surface plasmon resonance (LSPR) phenomenon of nanocomposites colloidal. The size and shape of the silver nanoparticles were confirmed by TEM. Furthermore, the stability of the storage was observed for twelve weeks

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