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All Journal Indonesian Journal of Material Research
Jasim, Saif Khalel
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Energy Engineering

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Advances in Biosynthesis of Nanoparticles: A Review Ismail, Rusul K.; Al Hussan, Shahlaa M. Abd; Jasim, Saif Khalel
Indonesian Journal of Material Research Vol. 3 No. 2 (2025): July
Publisher : Magister Program of Material Science Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijmr.20253249

Abstract

This paper provides a detailed review of nanoparticle biosynthesis, highlighting biological synthesis methods in comparison to physical and chemical approach. It addresses the shortcomings of existing techniques and explores potential advancements in this field. And, the applications of the nanoparticles prepared in a biological in the medical field, as well as studying its advantages and disadvantages, were highlighted. The paper review also provides a brief overview of nanoparticle applications, linking them to both the desired and achieved sizes through various synthesis methods.
Effect of Sodium Fluoride and Aluminum Sulfate Salts on PVA Polymer Film Synthesized Using Casting Technology Kalf, Duha Sabeeh; Jasim, Saif Khalel
Indonesian Journal of Material Research Vol. 4 No. 1 (2026): March
Publisher : Magister Program of Material Science Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijmr.20264178

Abstract

Polymer films were manufactured from polyvinyl alcohol (PVA) doped with a concentration of sodium fluoride (NaF) and aluminum sulfate (Al2(SO4)3) salts via the solution casting method. The differences in crystallinity and transformation temperatures of solid polymer electrolyte sheets were analyzed using differential scanning calorimetry (DSC). The formation of a complex structure between PVA polymer and a salt were confirmed using Fourier transform infrared spectroscopy (FTIR). Absorption spectra were obtained in the wavelength range of 200–1200 nm and analyzed using the absorption equation for amorphous materials. The energy gap values showed a clear dependence on the concentration of sodium fluoride and aluminum sulfate. The indirect energy gap was determined and analyzed in relation to the integration of charge-transfer complexes within the grafted materials.
Co-Authors Al Hussan, Shahlaa M. Abd Ismail, Rusul K. Kalf, Duha Sabeeh