Regular Article Laser Science and Technology
Developing Strategy for a Successful Antioxidant, Anticancer Activity via an Improved Method Prepared to Porous Silicon Nanoparticles

Kareem H. Jawad; Butheina Hasson

Volume 1, Issue 4 , December 2021, Page 1-11

  Porous silicon nanoparticles, or PSNPs, are one of the most common NPS with distinct characteristics. PSNPs were created using an enhanced approach known as the electrochemical etching process. The nanoparticles were treated with a post-laser to obtain the nanoparticles, which were subsequently analyzed ...  Read More ...

Regular Article Materials Science
Preparation of Micro Barium Titanate Powder and Comparison with Nano Powder Properties

Ghadeer Sadiq Jassim; Mojahid Najim; Wafaa Salih

Volume 1, Issue 4 , December 2021, Page 12-23

  In this paper, a homogenous pure Barium Titanate with formula (BaTiO3) was prepared from pure Barium Carbonate (BaCO3) and titanium dioxide (TiO2) using the solid-state reaction technique, were used as raw materials having micro size by mixing of molar ratio [1:1], the powder was calcined at temperatures ...  Read More ...

Regular Article Materials Science
Sequencing Analysis of cvaC Gene in Acinetobacter Baumannii That Isolates from Different Infections

Rana M. Abdullah; Rasha Z. T. Ahmed

Volume 1, Issue 4 , December 2021, Page 24-31

  Acinetobacter baumannii is one of the opportunistic nurses responsible for many acquired infections in hospitals due to its ability to resist many antibiotics. This is one of the problems facing hospitals in the world. Identification of the cvaC gene and sequence analysis in Acinetobacter baumannii isolates ...  Read More ...

Regular Article Nanotechnology
Study and Investigation of the Effects of the OTA Technique on the Physical Properties of the ZnO Thin Films Prepared by PLD

Duha S. Hassan; Mehdi Zayer

Volume 1, Issue 4 , December 2021, Page 32-43

  The polycrystalline thin films were deposited on glass substrate at room temperature by pulsed laser deposition PLD technique. The effects of annealing treatment by used the Oil Thermal Annealing (OTA) process on the structural, optical and electrical properties of ZnO thin film films were investigated. ...  Read More ...

Regular Article Biotechnology
Evidence of Antioxidant Activity of Novel L-Glutaminase Purified from L. Gasseri BRLHM

Butheina Hasson; Likaa Mahdi; Rajwa Essa

Volume 1, Issue 4 , December 2021, Page 44-51

  Probiotic strains have the potential to be used as bio-preservatives and functional radical scavenging treatments in the future.  Antioxidant tests, including DPPH radical scavenging, were used to evaluate the antioxidant effects of extracellular L- Glutaminase isolated from L. gasseri BRLHM. Parameters ...  Read More ...

Regular Article Nanotechnology
The Effect of Current Density on the Properties of Porous Silicon Gas Sensor for Ethanol and Methanol Vapour Detection

Muna H. Kareem; Adi M.; Haitham T. Hussein

Volume 1, Issue 4 , December 2021, Page 52-60

  In this paper, Gas sensors for ethanol and methanol were created utilizing porous silicon (PSi).n-type silicon was employed for all PSi samples, photo-electrochemical etching technique (PECE) was used to prepare porous surface. The intensity of the three etchings current densities was 12, 24 and 30 mA ...  Read More ...

Regular Article Biotechnology
Obtaining L - Glutamate Oxidase Enzyme from Streptomyces and Estimation Its Toxicity on Blood Components

Dina H. Abdul Hameed; Entesar H. Ali

Volume 1, Issue 4 , December 2021, Page 61-68

  Streptomyces was isolated from the soil and then tested to diagnose morphologically and microscopically. Also, cultivated in the production medium of the L-glutamate oxidase enzyme, for which the wheat bran culture media was used, and then the extracellular L-glutamate oxidase enzyme was extracted using ...  Read More ...

Regular Article Chemistry
Preparation of V2O5 and SnO2 Nanoparticles and Their Application as Pollutant Removal

Zahra A. Hassan; Rashed T. Rasheed

Volume 1, Issue 4 , December 2021, Page 69-80

  Vanadium pentoxide and Tin dioxide nanoparticles were prepared by hydrothermal methods to remove methylene blue (MB) and bromothymol blue (BTB) dyes). First the prepared nanoparticles were heated at different temperature (90 oC and 500 oC). Then these nanoparticles were characterized by different methods ...  Read More ...

Regular Article Applied Mathematics
A Generalization of the Concave Integral in Terms of Decomposition of the Integrated Function for Bipolar Scales

Fadheela Kareem; Jabbar Abbas

Volume 1, Issue 4 , December 2021, Page 81-90

  In the context of the multiple-criteria decision aid (MCDA), several fuzzy integrals concerning capacities (non-additive measures) have been introduced by various researchers in the last sixty years.  Recently, Lehrer has proposed a new integral for capacities known as concave integral. The concave ...  Read More ...

Regular Article Nanotechnology
Characterization and Aerodynamics of Synthesized Polymeric Nanofibers via Electrospinning Process to Capture PM10 and PM2.5 from Air

Barra L. Abbood; Khalid A. Sukkar; Jenan A. Al-Najar

Volume 1, Issue 4 , December 2021, Page 91-104

  Air quality is an important factor for human breathing requirements. The presence of the particulate matter which is a mixture of solid particles and liquid droplets presence in atmosphere such as PM10 and PM2.5 in the indoor air leads to fatal problems for human health.  In the present investigation, ...  Read More ...