Materials Science
Antibacterial Performance of Fe₂O₃ Nanoparticles Synthesized via Biosynthesis from Chitosan

Faisal J. Kadhim; Mohamed Hedi Bedoui; Ali A. Turki Aldalawi

Volume 5, Issue 2 , June 2025, , Page 34-45

https://doi.org/10.53293/jasn.2025.7540.1329

Abstract
  In this study, Fe₂O₃ nanoparticles were synthesized by a hydrothermal method using chitosan extract and ferric chloride (FeCl₃) as precursor at 150 °C. The hydrothermal approach provides precise control over the size and morphology of the nanoparticles by promoting the decomposition and crystallization ...  Read More ...

Laser Science and Technology
Synthesise of Iron Oxide Nanoparticles IONPs by Laser Method as an Antibacterial and Hemocompatibility Agent

Asraa B. Radhi; Khawla S. Khashan; Ghassan M. Sulaiman; Hamdoon A. Mohammed

Volume 4, Issue 3 , September 2024, , Page 33-41

https://doi.org/10.53293/jasn.2024.7439.1298

Abstract
  In this work, room temperature laser ablation with an iron target in water was used to create iron oxide nanoparticles (IONPs) with a different number of pulses (100, 200, 300, 400 and 500) at a constant energy of 200 mJ. The colloidal solutions of the IONPs were studied and the effects of the number ...  Read More ...

Nanotechnology
Synthesis and Evaluation of Bi2WO6-MWCNT Nanocomposites for Antibacterial Applications against Multidrug-Resistant Pseudomonas Aeruginosa

Zeena R. Rhoomi; Duha S. Ahmed; Majid S. Jabir; Anjan Kumar

Volume 4, Issue 2 , June 2024, , Page 12-21

https://doi.org/10.53293/jasn.2024.7258.1272

Abstract
  Bismuth tungstate (Bi2WO6) is an aurivillius oxide with potential as a visible light-active photocatalyst. However, its wide band gap limits absorption of visible light. Decoration with multi-walled carbon nanotubes (MWCNTs) has been shown to enhance photocatalytic properties. This study reports the ...  Read More ...

Laser Science and Technology
Synthesis of High-Performance Antibacterial Magnesium Oxide Nanostructures through Laser Ablation

Sara Fadhil Abbas; Adawiya J. Haider; Sharafaldin Al-Musawi; Bakr Ahmed Taha

Volume 4, Issue 1 , March 2024, , Page 53-65

https://doi.org/10.53293/jasn.2024.7213.1262

Abstract
  In this study, we synthesized magnesium oxide (MgO) nano flakes (NFs) through pulsed laser ablation of magnesium ribbons, investigating their potent antibacterial properties for potential biomedical applications. Thorough characterization utilizing advanced analytical techniques verified the phase purity ...  Read More ...

Materials Science
Microstructure-Modulated Antibacterial Performance of Chemically Precipitated SnO2 Nanoparticles

Shatha Sh. Batros; Mohammed H. Ali; Ali J. Addie

Volume 3, Issue 4 , December 2023, , Page 20-32

https://doi.org/10.53293/jasn.2023.7107.1246

Abstract
  Tin oxide (SnO2) nanoparticles were synthesized via a facile chemical precipitation route using tin chloride (SnCl2•2H2O) as precursor and ammonia as precipitant. The as-synthesized nanoparticles were subjected to post-calcination at 300°C, 400°C and 500°C and thoroughly characterized ...  Read More ...

Materials Science
Preparation of Cellulose Acetate Nanocomposite Films Based on TiO2-ZnO Nanoparticles Modification as Food Packaging Applications

Hajer A. Ali; Nahida J. Hameed

Volume 2, Issue 3 , September 2022, , Page 115-125

https://doi.org/10.53293/jasn.2022.4542.1122

Abstract
  To develop bio-packaging materials, nanocomposite films of cellulose acetate reinforced with titanium dioxide and zinc oxide nanoparticles were prepared, by the casting method at different weight ratios of ZnO nanoparticles (1.5, 2, and 2.5) wt% and a constant weight ratio of 2 wt% TiO2. ZnO and TiO2 ...  Read More ...

Materials Science
Chitosan/PVA/PEG Blend Strengthened with MgO Nanoparticles for Antibacterial Application

Ishraq A. Fadhil; Balqees M. Aldabbagh; Wijdan T. Mahdi

Volume 2, Issue 3 , September 2022, , Page 126-136

https://doi.org/10.53293/jasn.2022.4552.1123

Abstract
  Chitosan holds net ionic positive charges, which contribute its ability to chemically bind with negatively charged fats, lipids, metal ions, proteins, and microorganisms. Magnesium oxide (MgO) nanoparticles are important inorganic materials with a wide band-gap used in many applications such as catalysts, ...  Read More ...

Biotechnology
The Biological Activity of Mycosynthesized Silver Nanoparticles Against some Pathogenic Bacteria

Rana A. Hikmet; Nehia N. Hussein

Volume 2, Issue 1 , March 2022, , Page 59-68

https://doi.org/10.53293/jasn.2021.3963.1063

Abstract
  This study was carried out for the mycosynthesis of silver nanoparticles by Candida albicans supernatant.  All the isolates used in this study were taken from the patients who existed at Al-Elweya children's teaching hospital in Baghdad, Iraq. Mycosynthesized silver nanoparticles were characterized ...  Read More ...

Biotechnology
Evaluation The Antibacterial Activity of Biosynthesis Silver Nanoparticles by Lactobacillus Gasseri Bacteria

Raghad Jabbar; Nehia N. Hussein

Volume 1, Issue 3 , September 2021, , Page 86-95

https://doi.org/10.53293/jasn.2021.3898.1057

Abstract
  Biosynthesis of AgNPs is a new approach in the field of nanotechnology with optimistic implementation in medicine, food control, and pharmacology. In this study, the silver nanoparticles were produced by Lactobacillus gasseri filtrate. The production of AgNPs was confirmed by the color change from yellow ...  Read More ...

Investigation of Morphological, Optical, and Antibacterial Properties of Hybrid ZnO-MWCNT Prepared by Sol-gel

Zahraa Khedaer; Duha Ahmed; Selma Al-Jawad

Volume 1, Issue 2 , June 2021, , Page 66-77

https://doi.org/10.53293/jasn.2021.11634

Abstract
  In this research, raw multiwalled carbon nanotubes (R-MWCNT) was successfully functionalized using sulfuric acid and nitric acid. Then a hybrid (ZnO-MWCNT) synthesized by the sol-gel method where diethylene glycol was used as a solvent and stabilizer that works to prevent the accumulation of nanoparticles ...  Read More ...