Regular Article
Structural and Optical Properties of Graphene-ZnO Nanohybrid Thin Films Synthesized by Spray Pyrolysis

Zahraa M. Talib; Azhar I. Hassan; Jehan A. Saimon

Volume 2, Issue 3 , September 2022, Page 1-9

https://doi.org/10.53293/jasn.2021.4349.1102

Abstract
  Graphene-ZnO nanohybrid thin films were prepared by spray pyrolysis technique at 350 °C. Different graphene nanoplate concentrations of 0.1, 0.2, 0.3, 0.4, and 0.5 wt.% were used to deposit films on quartz substrates. The Structural and optical properties of the nanohybrid films have been investigated. ...  Read More ...

Regular Article Applied Physics
Modal Analysis for Single-Mode Waveguides of Silicon on Sapphire (SOS) at Infrared Region Using Finite Element Method (FEM)

Yadgar Hussein Shwan

Volume 2, Issue 3 , September 2022, Page 10-17

https://doi.org/10.53293/jasn.2022.4357.1103

Abstract
  One of the recommended platforms for waveguide generation in the infrared region is silicon-on-sapphire (SOS). This paper proposes a modal of the optical waveguide of silicon on a sapphire from  ), using FEM (finite-element method) solver simulation performed by FDTD [finite-different-time-domain]. ...  Read More ...

Review Article Applied Physics
Characterization of Superconductor Materials Doped with Nanoparticles on Their Properties: Review Article

Hanan H. Kadhim; Noor Hasan; Adawiya J. Haider

Volume 2, Issue 3 , September 2022, Page 18-36

https://doi.org/10.53293/jasn.2022.4435.1109

Abstract
  Revolutionary developments have been started in the field of superconductors since their discovery. High-temperature superconductors have been a focus of attention in advanced technology for many scientists because of their potential applications. Therefore, many changes are made in the products that ...  Read More ...

Regular Article Nanotechnology
Deep Understanding of the Mechanism and Thermophysical Properties of Prepared Nanofluids Lube Oil Stock-60 with Al2O3 NPs

Alyaa M. Awad; Khalid A. Sukkar; Dalia M. Jaed

Volume 2, Issue 3 , September 2022, Page 37-51

https://doi.org/10.53293/jasn.2022.4394.1107

Abstract
  Iraqi petroleum refineries produce large quantities of base lubricating oils (lube oils). Managing the influence of nano-additives on the lube oil nanofluids is required deep understanding to explain the resulting new specifications of produced nano-lubricants. The present study investigated the effect ...  Read More ...

Regular Article Materials Science
Effect of Natural Fibers on Some Thermal and Physical Properties of Denture Base Materials

Teba M. Hameed; Balqees M. Al-Dabbagh; Ragdaa K. Jasim

Volume 2, Issue 3 , September 2022, Page 64-77

https://doi.org/10.53293/jasn.2022.4454.1110

Abstract
  In this research, composite material consist of PMMA and MMA as a matrix materials was prepared and reinforced by natural fibers (sisal fibers) in different concentrations (5, 10%wt). The conventional processing technique for complete dentures was followed to prepare the composite specimens. FTIR test ...  Read More ...

Regular Article Materials Science
Characterization of FeS2 Thin Film Prepared by Spray Pyrolysis Method for Optoelectronic Applications

Mostafa M. Ibrahim; Mustafa A. Hassan; Khaleel I. Hassoon

Volume 2, Issue 3 , September 2022, Page 78-84

https://doi.org/10.53293/jasn.2022.3961.1115

Abstract
  In this work, the physical properties of iron sulfide (FeS2) thin films deposited by the chemical spray-pyrolysis (CSP) technique were studied.  The thin films are deposited on glass substrates at 200oC, using FeCl3 salt with thiourea (NH2)2CS as precursors. Structural analysis of X-Ray diffraction ...  Read More ...

Regular Article Laser Science and Technology
Spectroscopic and Structural Analysis of Aluminum Bulk and Nanoparticles: A Comparative Study

Hajir M. Fadhil; Hyder A. Salih; Khaleel I. Hassoon

Volume 2, Issue 3 , September 2022, Page 85-94

https://doi.org/10.53293/jasn.2022.4365.1104

Abstract
  In the present work, Laser Induced Breakdown Spectroscopy (LIBS) has been utilized to investigate two forms of aluminum samples, namely Al in the form of the nanoparticles (NPs) and a bulk (pellet). The Al target was irradiated by pulsed Nd-YAG laser with wavelength 1064 nm to produce plasma. The plasm ...  Read More ...

Regular Article Chemistry
Superoxide Dismutase and Vitamin E Levels in Serum as Indicators in Patients with Acute and Chronic Leukemia

Reem A. Al-Qaisi; Abdulnasser M. Al-Gebori; Mohammed Hadi Munshed Alosami

Volume 2, Issue 3 , September 2022, Page 95-105

https://doi.org/10.53293/jasn.2022.4509.1117

Abstract
  Oxidative stress has been linked to the development of a variety of malignancies, including leukemia. Furthermore, the incidence of leukemia increases with age due to an increase in the number of free radicals reacting with age and a lower ability of the immune system to detoxify those free radicals. ...  Read More ...

Regular Article Nanotechnology
Antibacterial Studying of Silver Nanoparticles Synthesized by Chemical Reduction Method Using Different Stabilized Concentrations

Zahraa S. Ghazi; Mohammad R. Mohammad; Manal A. Abbood; Amal A. Hussein

Volume 2, Issue 3 , September 2022, Page 106-114

https://doi.org/10.53293/jasn.2022.4514.1118

Abstract
  Silver nanoparticles were prepared by the chemical reduction method. Silver nitrate was taken as a metal precursor and sodium borohydride as a reducing agent with polyvinyl alcohol (PVA) stabilizers of different concentrations, polyvinylpyrrolidone (PVP). X-ray diffraction (XRD), transmission electron ...  Read More ...

Regular Article 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 ...

Regular Article 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 ...

Regular Article Chemistry
Impact of Vitamin D Elements and Osteoporosis Factors in Postmenopausal Iraqi Women with T2DM

Howraa R. Alkabi; Wafaa R. Alfatlawi; Muhammed A. H. Aldabagh

Volume 2, Issue 3 , September 2022, Page 137-146

https://doi.org/10.53293/jasn.2022.4483.1114

Abstract
  Osteoporosis is a systematic bone disorder characterized by bone mass loss and bone tissue architectural degeneration. The incidence of osteoporosis in women increases with age, reflecting the considerable increase in bone loss rate in postmenopausal women once estrogen loses its protective influence. ...  Read More ...

Regular Article Applied Physics
Synthesis of Au:TiO2 Nanoparticles via Laser Ablation in Liquid Deposited on Porous-Si for Improved Spectral Responsivity

Eman M. Suliman; Uday M. Nayef; Falah A. Mutlak

Volume 2, Issue 3 , September 2022, Page 147-156

https://doi.org/10.53293/jasn.2022.4558.1125

Abstract
  In this study, Au:TiO2 nanoparticles (NPs) are prepared by using the laser ablation method in liquid at different laser energies (600, 800, and1000 mJ). After that, Au: TiO2 NPs were deposited on porous-Si(PS). Porous silicon (PS) is synthesized by using the photo-electrochemical etching (PECE) of n-type ...  Read More ...

Regular Article Laser Science and Technology
Study of Some Properties of PbI2 Deposited on Porous Silicon Using Thermal Evaporation Technique for Many Applications

Suha G. Ali; Mohammed S. Mohammed; Fatima I. Sultan

Volume 2, Issue 3 , September 2022, Page 157-165

https://doi.org/10.53293/jasn.2022.4563.1126

Abstract
  The present work is a study of some properties of PbI2 deposited on porous silicon (n-PSi) by using the thermal evaporation technique. X-ray diffraction, scanning electron microscopy, UV–Vis spectrophotometer, and FTIR analysis were used to characterize the structural, optical, and morphological ...  Read More ...

Regular Article Chemistry
Preparation, Characterization and Mimetic Activities of Fe2O3 and Fe3O4 Nanoparticles as Catalase and Peroxidase

Alaa A. Majeed; Rashed T. Rasheed

Volume 2, Issue 3 , September 2022, Page 166-181

https://doi.org/10.53293/jasn.2022.4574.1127

Abstract
  Different iron oxide nanoparticles (Fe3O4 and Fe2O3) were prepared by the sol-gel method (titration). The prepared nanoparticles were heated at 90 and 400°C. The morphology surface and structures were characterized by Fourier Transform Infra-Red (FT-IR) and Ultraviolet/Visible (Uv/Visible) measurements, ...  Read More ...