Preparation and characterization of Bentonite-OPBA nanocomposite as filler

Frida, Erna; Bukit, Nurdin; Bukit, Ferry Rahmat Astianta; Bukit, Bunga Fisikanta

doi:10.1088/1742-6596/2165/1/012023

Cited by 4 publications

(2 citation statements)

References 21 publications

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“…The peak observed at a 2θ angle of 5.67°is attributed to the interlamellar gap, denoted as d001, which measures 15.56 Å in the bentonite sample. [98][99][100][101][102] The SA/bentonite hybrid materials exhibited diffraction peaks of low intensity, indicating their affiliation with the amorphous portion of SA. 103 The FTIR-spectroscopy technique was employed to identify the functional groups involved in the alginate composite.…”

Section: Characterization 3d Printing For Alginate-based Compositesmentioning

confidence: 99%

Review of alginate-based composites for 3D printing material

Bukit,

Syamani,

Rochima

et al. 2024

Polymers from Renewable Resources

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The ability of alginates to form hydrogel solutions makes them a promising biomaterial for three-dimensional (3D) printing. Researchers are investigating several techniques to improve the alginate hydrogels’ quality, such as using alginate-based nanocomposites as materials for 3D printing. This review examines the material of alginate-based composites, the printing technique, and the applications of 3D printing alginate-based composites. Material composites for 3D printing include alginate with clay, a combination of alginate with polymers or biopolymers, and a mixture of alginate with metal oxide and carbon. The 3D printing material from alginate combined with polymers is usually used in the medical and green packaging industries, whereas a mixture of alginate with clay, metal oxide, and carbon 3D printing material is utilized in the environmental field. When considering printing procedures, extrusion techniques are the most affordable. Furthermore, the purpose of alginate composite characterization is to determine the impact generated by the material combinations. This characterization is carried out based on the intended application. However, it is common to employ mechanical, thermal, rheological, scanning electron, XRD, and FTIR analysis to identify the fundamental characteristics of the alginate composite according to research.

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Section: Characterization 3d Printing For Alginate-based Compositesmentioning

confidence: 99%

Review of alginate-based composites for 3D printing material

Bukit,

Syamani,

Rochima

et al. 2024

Polymers from Renewable Resources

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“…The synthesis of Fe 3 O 4 is easily proceeded by the co-precipitation method using salts of ferric and ferrous under an inert atmosphere, using nitrogen gas keeping pH 12 for the solution. Iron oxide disperses well in a variety of liquid media with varying pH levels [41]. To improve the antimicrobial properties of Fe 3 O 4 , SiO 2 coatings have been investigated for enhancing their stability and biocompatibility [42].…”

Section: Introductionmentioning

confidence: 99%

Fe3O4 Coated SiO2 Magnetic Nanoparticles for Enhanced Antibacterial Activity and Electrochemical Sensing

Madhavi

Kumar

Ansari³

et al. 2022

Metals

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Multifunctional magnetic composite nanoparticles (NPs) with antibiotics have demonstrated symbiotic effects because of their promising antimicrobial properties. The antimicrobial agent reduces side effects and dosage, and increases drug delivery efficiency. In this study, SiO2 coated over Fe3O4 magnetic nanoparticles (MNPs) were prepared by a solvothermal method. The MNPs were characterized by using X-ray diffraction (XRD), transmission electron microscopy (TEM), ultraviolet-visible spectroscopy (UV-vis), and Fourier transform infrared spectroscopy (FTIR). The antimicrobial tests were carried out using the disk diffusion method. The electrochemical sensing was investigated by cyclic voltammetry with varying As(III) concentrations from 1–10 ppb. The microstructural results showed the formation of spherical-shaped Fe3O4@SiO2 MNPs with 15–30 nm diameters. UV-vis results showed that Fe3O4 NPs promote visible light absorption of Fe3O4@SiO2 MNPs because of well-structured and unvarying shell thickness which is beneficial for the absorption of organic dyes. With an increase in the concentration of As(III), there was a shift in potential and an increase in oxidation peak current, showing the electrocatalytic capacity of the modified electrode. The SiO2 deposited on Fe3O4 displayed an admirable microbial operation. These Fe3O4@SiO2 MNPs are easily absorbed by cells and have the potential to influence bacterial cells both within and outside of the cell membrane, making them an intriguing candidate for use in a variety of biological applications in the future.

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