Volume 31 Issue 3

Published: 2022-09-01

Contents


Research Paper
Isolation and Identification of Candida dubliniensis in Patient with Cervical-Vulvovaginal Candidiasis in Erbil City

Nareen Q. Faqe Abdulla, Hero M. Ismael

Vulvovaginal Candidiasis (VVC) is a fungal infection caused by Candida spp. of the genital mucosa that is still a health concern for women.This is a first-of-its-kind investigation on the isolation...

DOI: 10.33899/rjs.2022.175386

Pages: 1-8
Phenotypic and Molecular Investigation of Streptococcus pneumoniae Hemolysin

Roaa Amer Thamer, Amera M. Al-Rawi

The current study aimed to detect S.pneumoniae, which is one of the gram-positive bacteria that gives partial -hemolysis on blood agar media, as well as has the ability to complete blood hemolysis...

DOI: 10.33899/rjs.2022.175398

Pages: 1-9
Synthesis of some New Derivatives of Triazole using Ortho-Carboxybenzaldehyde as a Synthone

Maysaa Kairulden Shakir Al-Mala Khder, moayed Salim noori

In this work, the 1,2,4-triazole ring was prepared by introducing the starting material ortho-carboxybenzaldehyde (1) in the usual esterification reaction, in ethanol as a solvent and in the...

DOI: 10.33899/rjs.2022.175388

Pages: 9-18
Efficiency of Zinc Oxide Nanoparticles in Stimulating Germination and Seedling Growth of Soybean Plant Glycine max L. and its Protein Content

Rana T. Yahya, Ghada Mahdi

The results of this study gived a scientific view about the role of zinc oxide nanoparticles (ZnO) in the seeds germination and seedlings growth of soybean (Glycine max L.) when placed on the...

DOI: 10.33899/rjs.2022.175399

Pages: 10-17
Synthesis of some new Pyrazoline Carbothioamides and Pyrimidinethiols Derivatives from Bis-α, β-Unsaturated Carbonyl Compounds

Zina K. Yahya, Muneera Y. Roof

In our research, new bis-, -unsaturated carbonyl compounds (Z2-Z4) were prepared via Claisen- Schmidt reaction, by the condensation of 2,6-dimethyl-3,5-diacetyl-1,4-dihydropyridine (Z1) with...

DOI: 10.33899/rjs.2022.175389

Pages: 19-28
A Simulated Study of 65 nm CMOS 2GHz Front-End Preamplifier Circuit for Optical Fiber Applications

Ruwaida A. Al-Berwari, Muhammed Hameed Alsheikhjader

In this research a new design of the transimpedance amplifier (TIA) with the current mirror was employed by the technique (65nm). The TIA consists of a common gate transistor amplifier (CG TIA) and...

DOI: 10.33899/rjs.2022.175390

Pages: 29-41
Effect of Three Different Dielectric Substrates on the Performance of Rectangular Microstrip Antenna Designed for 2.4 GHz using CST

Laith Al Taan, MOHAMMED SALIM MOHAMMED WARED SALIM ADO

This paper presents a design of a low profile inset feed microstrip rectangular antenna working at 2.4 GHz to support application in industrial, scientific, and medical sectors. The design of the...

DOI: 10.33899/rjs.2022.175392

Pages: 42-54
Statistical Analysis of the Monthly Activity of the Solar Flare

Imad Ahmed Al-Ibrahimi

The study of solar flares (SF) is significant for a more understanding of the nature and dynamics of the sun as well as its impact on space weather. This paper will present a new idea by studying...

DOI: 10.33899/rjs.2022.175396

Pages: 55-63
Review Paper
The Role of Sulfa Drugs in our Life

Salim J. Mohammed, Azzam A. AL-Hadedi, Salih A. Abood

Gerhardt Dumac discovered in 1932 that Prontosyl kills bacteria while testing dyes, and in 1934, he began using Prontosyl as a treatment. This was in Germany, and experiments in France showed that...

DOI: 10.33899/rjs.2022.175395

Pages: 64-74