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Open AccessArticle
6 Pages, 1,023 KB Download PDF

Homology Modeling of CYP6Z3 Protein of Anopheles Mosquito

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 580–585, 2021; DOI: 10.25046/aj060266
Abstract:

The Anopheles gambiae’s CYP6Z3 protein belongs to the Cytochrome P450 family and functions in oxidation-reduction processes, many studies including our previous work on elucidating insecticide resistance genes of the Anopheles also implicated her in pyrethroid insecticide resistance. Model prediction, functional analysis, and enrichment of the target gene with triplex binding sites may become a useful…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Mathematical & Computational Biology (MCB))
Open AccessArticle
5 Pages, 813 KB Download PDF

Iron-doped Nickel Oxide Nanoparticles Synthesis and Analyzing Different Properties

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1422–1426, 2021; DOI: 10.25046/aj0601161
Abstract:

This is a report describing the impact of calcination on the morphological and optical properties of nanoparticles Iron doped-nickel oxide. By synthetic precipitation, the technique makes use of it. Three samples have been calcined in different temperatures and were characterized by X-ray diffraction (XRD), Fourier transforms infrared spectroscopy (FTIR), UV spectroscopy, and scanning electron microscopy…

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(This article belongs to Section Characterization & Testing in Materials Science (MCT))
Open AccessArticle
9 Pages, 1,187 KB Download PDF

Eliminating Target Anopheles Proteins to Non-Target Organisms based on Posterior Probability Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 710–718, 2021; DOI: 10.25046/aj060177
Abstract:

Capturing similarity in gene sequences of a target organism to detect significant regions of comparison will most likely occur because genes share a related descendant. Local sequence alignment for the targeted organisms can help preserve associations among sequences of related organisms. Such homologous genes possess identical sequences with common ancestral genes. The genes may be…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Biotechnology & Applied Microbiology (BAM))
Open AccessArticle
7 Pages, 3,523 KB Download PDF

Johnson Noise and Optical Characteristics of Polymer Nanocomposites Based on Colloidal Quantum Dots and In-Situ Nanoparticles Formation

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 750–756, 2020; DOI: 10.25046/aj050591
Abstract:

Electrical and optical properties of polymer nanocomposite thin films have been analyzed to study their reliability and competency as a component for optoelectronic devices such as LED and solar cells. Polymer nanocomposite encounters various challenges, such as the dispersion of nanoparticles in the matrix that hinders their efficiency for potential devices. In this paper, two…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Coatings & Films in Materials Science (MCF))
Open AccessArticle
9 Pages, 1,256 KB Download PDF

An Experimental Investigation of Reconfigurable UWB Modified Octagonal Microstrip Monopole Patch Antenna with Switchable and Tunable Band-Notched Characteristic

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 207–215, 2018; DOI: 10.25046/aj030525
Abstract:

An experimental investigation of reconfigurable ultra-wideband (UWB) modified octagonal microstrip monopole patch antenna with switchable and tunable band-notched characteristic is presented in this paper. Notched-bands are obtained by connecting or disconnecting the open shunt stubs. The switching is achieved by using PIN diodes. Additionally, more notch-bands are created by adding additional stubs to the original…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Telecommunications (TEL))
Open AccessArticle
6 Pages, 996 KB Download PDF

Biosynthesis of Gold Nanoparticles by Fenugreek (Trigonella Foenum-Graecum) Extract

Advances in Science, Technology and Engineering Systems Journal, Volume 1, Issue 5, Page # 50–55, 2016; DOI: 10.25046/aj010509
Abstract:

In this work fenugreek(Trigonella Foenum Graecum) extract was used to synthesis gold nanoparticles by simple and safe method .In aqueous solution of chloroaurate ions, fenugreek extract was used as reducing agent and gum Arabic as stabilizer by one synthetic route which is microwave irradiation .The nanoparticles were characterized and investigated by ultraviolet-visible (UV-Vis) spectrophotometry, transmission…

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(This article belongs to the Special issue on Recent Advances in Electrical and Electronics Engineering 2016 & Section Nanoscience & Nanotechnology (NSC))
Open AccessArticle
6 Pages, 1,319 KB Download PDF

Temperature-Compensated Overcharge Protection Measurement Technology

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 2, Page # 24–29, 2023; DOI: 10.25046/aj080203
Abstract:

Recently, many problems have been caused by battery fires. The existing BMS(Battery Managment System) measured the voltage of each cell of the battery through the physical connection between the battery and the control module. However, if a battery with up to 1000 VDC becomes inoperable due to an external factor, the battery is damaged, and…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Electrical Engineering (ELE))
Open AccessArticle
20 Pages, 1,251 KB Download PDF

Physics behind the Concept of a Sodium-Potassium-Cesium-Cooled Martian Nuclear Reactor

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 27–46, 2022; DOI: 10.25046/aj070104
Abstract:

The main goal of the work is to determine the basic conceptual solutions of a nuclear reactor operating on the surface of another planet. The problem was solved using the example of the Martian nuclear power plant. The article uses calculation and optimization research methods and corresponding program codes (well-known and author’s). The results of…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Nuclear Science & Technology (NST))
Open AccessArticle
18 Pages, 2,154 KB Download PDF

Effect of Nano Clay and Marble Powder Waste as a Hybrid Addition on the Behavior of Normal and High Strength RC Columns Subjected to Axial Compressive Loading

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 3, Page # 367–384, 2021; DOI: 10.25046/aj060343
Abstract:

This paper studied the influence of using hybrid additives of Nano Clay (NC) and Marble Powder (MP) on the structural behavior of columns, in terms of ultimate capacity, axial strain, lateral strain, toughness, and failure pattern. For this purpose, ten column specimens were made from reinforced concrete (RC), either normal or high strength, and were…

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(This article belongs to Section Civil Engineering (ECV))
Open AccessArticle
30 Pages, 7,960 KB Download PDF

Power Converters and EMS for Fuel Cells CCHP Applications: A Structural and Extended Review

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 3, Page # 54–83, 2021; DOI: 10.25046/aj060308
Abstract:

Fuel Cells (FCs) and Combined Cooling, Heating and Power (CCHP) systems are becoming very popular due to their environmental friendliness and immense applications. This extended review paper commenced by introducing the rampant South Africa’s electricity crisis as the basis for the study, followed by some structural analyses of up to forty-four miscellaneous power electronics converters…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 894 KB Download PDF

A Surface Plasmon Resonance (SPR) and Water Quality Monitoring: A System for Detecting Harmful Algal Bloom

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 770–775, 2021; DOI: 10.25046/aj060185
Abstract:

Harmful algal blooms (HAB) or “Red tides” are organisms which produce toxins which are harmful to humans, fish, and other marine mammals. The said toxins come from dinoflagellates of genus Pyrodinium Bahamense var Compressum that cause Paralytic Shellfish Poisoning (PSP) and Dinophysis Caudata and Prorocentrum lima which results to Diarrhetic Shellfish Poisoning (DSP). In the…

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(This article belongs to Section Remote Sensing (RMS))
Open AccessArticle
5 Pages, 597 KB Download PDF

Primary Healthcare Response to COVID 19 in a District of Callao, Peru

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 864–868, 2020; DOI: 10.25046/aj0505105
Abstract:

Objectives: Describe the clinical characteristics and home care of patients diagnosed with COVID-19 in a Primary Healthcare Facility of the “Mi Peru” district, in the Callao Region, Peru. Materials and methods: Observational and descriptive cross-sectional study. A total of 84 subjects with positive results for Rapid Test IgM / IgG or molecular test (RT-PCR) participated.…

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(This article belongs to Section Medicinal Chemistry (CMD))
Open AccessArticle
6 Pages, 901 KB Download PDF

Power Loss Minimization using the Integration of DGs and Reconfiguration of Distribution System: Applied on Real Distribution Feeder of Urbain Areas of Kenitra City in Morroco

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 74–79, 2020; DOI: 10.25046/aj050511
Abstract:

Optimal integration of distributed generation (DG) into the distribution system results in reduced power losses and improved bus voltages. In this article, a combination of two techniques has been analyzed: The integration of DG and reconfiguration of the distribution system by removing the Normally Open Point NOP in different places of the system. These two…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 955 KB Download PDF

Improvement of Desirable Thermophysical Properties of Soybean Oil for Metal Cutting Applications as a Cutting Fluid

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 129–134, 2020; DOI: 10.25046/aj050317
Abstract:

Vegetable oils are often proved to be promising for industrial lubrication applications among which soybean oil found to be better due to its attractive and desirable thermo physical properties for machining compared to other vegetable oils. However, already it was established that influenced desirable thermophysical properties necessary for a vegetable oil through which better machining…

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(This article belongs to Section Manufacturing Engineering (EMF))
Open AccessArticle
7 Pages, 402 KB Download PDF

Antenna Radiation Performance Enhancement Using Metamaterial Filter for Vehicle to Vehicle Communications Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 344–350, 2020; DOI: 10.25046/aj050245
Abstract:

In this work, an integrated metamaterial filter design in close proximity with monopole antenna is proposed for vehicular communication applications. A cylindrical screen formed by an array of metamaterial cells is designed to be reflective at 5.9 GHz in order to enhance antenna performance in intelligent vehicle transport systems. The unit cell proposed design based…

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(This article belongs to Section Telecommunications (TEL))
Open AccessArticle
5 Pages, 791 KB Download PDF

Omni-directional Dual-Band Patch Antenna for the LMDS and WiGig Wireless Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 496–500, 2018; DOI: 10.25046/aj030658
Abstract:

In this paper an omnidirectional dual band monopole antenna at 28 GHz and 60 GHz which is fit for indoor and outdoor wireless applications is developed. The proposed antenna consists of two rectangular patches with a T folded patch. The design, analysis, and optimization processes through this article are executed by the numerical method, Finite…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Telecommunications (TEL))
Open AccessArticle
8 Pages, 1,341 KB Download PDF

Incorporating Spatial Information for Microaneurysm Detection in Retinal Images

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 642–649, 2017; DOI: 10.25046/aj020382
Abstract:

The presence of microaneurysms(MAs) in retinal images is a pathognomonic sign of Diabetic Retinopathy (DR). This is one of the leading causes of blindness in the working population worldwide. This paper introduces a novel algorithm that combines information from spatial views of the retina for the purpose of MA detection. Most published research in the…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 1,511 KB Download PDF

A Novel Dual-Band Rectenna for Ambient RF Energy Harvesting at GSM 900 MHz and 1800 MHz

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 612–616, 2017; DOI: 10.25046/aj020378
Abstract:

This paper presents a novel dual-band rectenna for RF energy harvesting system. This rectenna is created from a dual-band antenna and a dual-band rectifier which operates at GSM bands (900 MHz and 1800 MHz). The printed monopole antenna is miniaturized by two meander-lines. The received signal from the receiving antenna is rectified by a voltage…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Telecommunications (TEL))
Open AccessArticle
9 Pages, 3,742 KB Download PDF

Simulation and Implementation of Sensorless Control in Multi-Motors Electric Drives with High Dynamics

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 59–67, 2017; DOI: 10.25046/aj020409
Abstract:

In this article we’ll tackle the control of multi-motors electric drives with high dynamic, with rapid changes in torque and speed, with rigid or flexible coupling of motors, where the control strategy is FOC (Field Oriented Control) for each drives and the distributed control in local network using the CANopen protocol. In the surface mining…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
5 Pages, 843 KB Download PDF

MIMO Performance and Decoupling Network: Analysis of Uniform Rectangular array Using Correlated-Based Stochastic Models

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 1, Page # 192–196, 2017; DOI: 10.25046/aj020123
Abstract:

We explore the dependency of MIMO performance on azimuthal spread (AS) and elevation spread (ES) using correlated-based stochastic models (CBSMs). We represent the transmitter as uniform rectangular array (URA), and derive an analytical function for spatial correlation, in terms of maximum power when phase gradient of the incident wave follows a Student’s t-distribution. We model…

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(This article belongs to the SP2 (Special Issue on Computer Systems, Information Technology, Electrical and Electronics Engineering 2017) & Section Telecommunications (TEL))
Open AccessArticle
6 Pages, 1,295 KB Download PDF

Expression of balance function during exposure to stereoscopic video clips

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 1, Page # 121–126, 2017; DOI: 10.25046/aj020114
Abstract:

Recently, with the rapid progress in image processing and three-dimensional (3D) technologies, stereoscopic images are available not only on television but also in theaters and gaming consoles. Asthenopia and visually induced motion sickness (VIMS) are well-known phenomena experienced by users while viewing video clips, playing immersive video games, and other such activities. In previous studies,…

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(This article belongs to the SP2 (Special Issue on Computer Systems, Information Technology, Electrical and Electronics Engineering 2017) & Section Biomedical Engineering (EBI))

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