Research Paper
Physical and Electrical Properties of Spray Coating Graphene Films: The Effect of Solution Concentration
Physical and Electrical Properties of Spray Coating Graphene Films: The Effect of Solution Concentration

Ayat M. Yahya; Evan T. Salim; Azhar I. Hassan; Subash C. B. Gopinath

Volume 41, Issue 10 , October 2023, Page 1204-1210

https://doi.org/10.30684/etj.2023.139463.1430

Abstract
  Graphene nanofilms were deposited by the spray coating method at different concentrations (0.05, 0.1, 0.2, 0.3, 0.4, and 0.5 g) and prepared at 120°C. The prepared nanofilms were ...  Read More ...
Research Paper
New S-Box Design for Image Encryption Based on Multi-Chaotic System
New S-Box Design for Image Encryption Based on Multi-Chaotic System

Azhaar A. Abdallah; Alaa K. Farhan

Volume 41, Issue 10 , October 2023, Page 1211-1219

https://doi.org/10.30684/etj.2023.139076.1416

Abstract
  Image encryption is a crucial area for researchers in information security, which protects digital images from unauthorized access. This paper proposes a novel image encryption scheme ...  Read More ...
Review Paper
Review on the Physicl Properties of Polyethylene Oxide
Review on the Physicl Properties of Polyethylene Oxide

Fahad Z. Kamal; Nahida J. Hameed; Evan T. Salim; Subash C. B. Gopinath

Volume 41, Issue 10 , October 2023, Page 1220-1231

https://doi.org/10.30684/etj.2023.139937.1447

Abstract
  Solid polymeric electrolytes have become crucial today due to their stability and high conductivity. Recently, lithium ion-doped polymeric electrolytes have gained intense attention ...  Read More ...
Research Paper
A Comparative Study of Antibacterial Activity of ZnO and TiO2 Nanoparticles Against Gram-Positive and Gram-Negative Bacteria
A Comparative Study of Antibacterial Activity of ZnO and TiO2 Nanoparticles Against Gram-Positive and Gram-Negative Bacteria

Ghaed kh. Salman

Volume 41, Issue 10 , October 2023, Page 1232-1240

https://doi.org/10.30684/etj.2023.143301.1577

Abstract
  Using the sol-gel technique, this study successfully synthesized two types of nanoparticles, ZnO and TiO2. The Fourier-transform infrared (FTIR) spectrum exhibited a broad peak, providing ...  Read More ...