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42 Results Found

  • Article
  • Open Access
7 Citations
4,748 Views
16 Pages

Green Infrastructure (GI) practices are being implemented in numerous cities to tackle stormwater management issues and achieve co-benefits such as mitigating heat island effects and air pollution, as well as water augmentation, health, and economic...

  • Article
  • Open Access
7 Citations
3,963 Views
13 Pages

Non-Institutional Childbirths and the Associated Socio-Demographic Factors in Gambella Regional State, Ethiopia

  • Gnkambo Agwa Gora,
  • Muhammad Farooq Umer,
  • Peter Obang Ojulu,
  • Sintayehu Tsegaye Betaw,
  • Akwoma Okugn Cham,
  • Ojulu Agwa Gora and
  • Xin Qi

The decades-long global efforts to reduce maternal morbidity and mortality have shown overall progress, but most developing countries are still lagging significantly. This study aimed to assess the prevalence of non-institutional childbirths in the G...

  • Article
  • Open Access
19 Citations
4,373 Views
38 Pages

This present study describes a novel manta ray foraging optimization approach based non-dominated sorting strategy, namely (NSMRFO), for solving the multi-objective optimization problems (MOPs). The proposed powerful optimizer can efficiently achieve...

  • Review
  • Open Access
121 Citations
19,760 Views
24 Pages

Application of Ultra-High-Performance Concrete in Bridge Engineering: Current Status, Limitations, Challenges, and Future Prospects

  • S. Abdal,
  • Walid Mansour,
  • Ibrahim Agwa,
  • Mohammed Nasr,
  • Aref Abadel,
  • Yasin Onuralp Özkılıç and
  • Mahmoud H. Akeed

10 January 2023

Ultra-high-performance concrete (UHPC) is a form of cementitious composite that has been the most innovative product in concrete technology over the last three decades. Ultra-high-performance concrete has been broadly employed for the design of numer...

  • Article
  • Open Access
7 Citations
3,722 Views
17 Pages

Identification of a Multi-Messenger RNA Signature as Type 2 Diabetes Mellitus Candidate Genes Involved in Crosstalk between Inflammation and Insulin Resistance

  • Hebatalla Said Ali,
  • Mariam Sameh Boshra,
  • Sara H. A. Agwa,
  • Mohamed S. Abdel Hakeem,
  • Mahmoud Shawky El Meteini and
  • Marwa Matboli

2 September 2022

Type 2 Diabetes Mellitus (T2DM) is a metabolic disease associated with inflammation widening the scope of immune-metabolism, linking the inflammation to insulin resistance and beta cell dysfunction. New potential and prognostic biomarkers are urgentl...

  • Article
  • Open Access
21 Citations
5,126 Views
19 Pages

Rosavin Ameliorates Hepatic Inflammation and Fibrosis in the NASH Rat Model via Targeting Hepatic Cell Death

  • Reda Albadawy,
  • Amany Helmy Hasanin,
  • Sara H. A. Agwa,
  • Shaimaa Hamady,
  • Yasmin M. Aboul-Ela,
  • Mona Hussien Raafat,
  • Samaa Samir Kamar,
  • Mohamed Othman,
  • Yahia A. Yahia and
  • Marwa Matboli

5 September 2022

Background: Non-alcoholic fatty liver disease (NAFLD) represents the most common form of chronic liver disease that urgently needs effective therapy. Rosavin, a major constituent of the Rhodiola Rosea plant of the family Crassulaceae, is believed to...

  • Feature Paper
  • Article
  • Open Access
39 Citations
4,244 Views
14 Pages

Metal-Nails Waste and Steel Slag Aggregate as Alternative and Eco-Friendly Radiation Shielding Composites

  • Mohammed M. Attia,
  • Bassam Abdelsalam Abdelsalam,
  • Mohamed Amin,
  • Ibrahim Saad Agwa and
  • Mohammad Farouk Abdelmagied

Metal waste recycling has become a global requirement owing to its environmental benefits and powerful economic activity. Metal nail waste (MNW) is a byproduct of metal nail manufacture. MNW has an equal size, contains a high ratio of iron, and has a...

  • Article
  • Open Access
6 Citations
1,857 Views
16 Pages

29 July 2022

Modeling of solar generating systems (SGSs) is necessary for recognizing their performance under various conditions of solar irradiance, temperature, and loading. There are nine unbeknown parameters (UPs) in the three-diode model (3-DM); if they are...

  • Article
  • Open Access
72 Citations
4,546 Views
26 Pages

Synthesis and Application of Ternary Nanofluid for Photovoltaic-Thermal System: Comparative Analysis of Energy and Exergy Performance with Single and Hybrid Nanofluids

  • Humphrey ADUN,
  • Mustapha Mukhtar,
  • Micheal Adedeji,
  • Terfa Agwa,
  • Kefas Hyelda Ibrahim,
  • Olusola Bamisile and
  • Mustafa Dagbasi

22 July 2021

The amelioration of photovoltaic (PV) and photovoltaic/thermal (PV/T) systems have garnered increased research interest lately, more so due to the discovery of the thermal property augmentation of nanofluids. The overarching goal of this study is to...

  • Article
  • Open Access
35 Citations
4,283 Views
20 Pages

Formulation and Antibacterial Activity Evaluation of Quaternized Aminochitosan Membrane for Wound Dressing Applications

  • Ahmed M. Omer,
  • Tamer M. Tamer,
  • Randa E. Khalifa,
  • Abdelazeem S. Eltaweil,
  • Mona M. Agwa,
  • Sally Sabra,
  • Mahmoud S. Abd-Elmonem,
  • Mohamed S. Mohy-Eldin and
  • Zyta M. Ziora

23 July 2021

Much attention has been paid to chitosan biopolymer for advanced wound dressing owing to its exceptional biological characteristics comprising biodegradability, biocompatibility and respectable antibacterial activity. This study intended to develop a...

  • Article
  • Open Access
142 Citations
8,528 Views
21 Pages

8 February 2023

Construction material sustainability and waste reuse have emerged as significant environmental issues. Concrete is widely used in the building and engineering fields. Ultra-high performance concrete (UHPC), which has remarkably high mechanical proper...

  • Article
  • Open Access
17 Citations
2,879 Views
18 Pages

Proposal and Numerical Analysis of Organic/Sb2Se3 All-Thin-Film Tandem Solar Cell

  • Tarek I. Alanazi,
  • Abdulaziz Alanazi,
  • Ezzeddine Touti,
  • Ahmed M. Agwa,
  • Habib Kraiem,
  • Mohana Alanazi,
  • Abdulrahman M. Alanazi and
  • Mona El Sabbagh

5 June 2023

The low bandgap antimony selenide (Sb2Se3) and wide bandgap organic solar cell (OSC) can be considered suitable bottom and top subcells for use in tandem solar cells. Some properties of these complementary candidates are their non-toxicity and cost-a...

  • Review
  • Open Access
16 Citations
6,035 Views
25 Pages

27 April 2023

This article provides a comprehensive review of optimal relay coordination (ORC) in distribution networks (DNs) that include distributed generators (DGs). The integration of DGs into DNs has become a real challenge for power system protection, as the...

  • Article
  • Open Access
1,805 Views
20 Pages

20 August 2025

Recordings of wind velocity and associated wind turbine (WT) power possess noise, owing to inaccurate sensor measurements, atmosphere conditions, working stops, and flaws. The measurements still contain noise even after purification, so the fit curve...

  • Article
  • Open Access
26 Citations
3,401 Views
20 Pages

MPPT of PEM Fuel Cell Using PI-PD Controller Based on Golden Jackal Optimization Algorithm

  • Ahmed M. Agwa,
  • Tarek I. Alanazi,
  • Habib Kraiem,
  • Ezzeddine Touti,
  • Abdulaziz Alanazi and
  • Dhari K. Alanazi

14 September 2023

Subversive environmental impacts and limited amounts of conventional forms of energy necessitate the utilization of renewable energies (REs). Unfortunately, REs such as solar and wind energies are intermittent, so they should be stored in other forms...

  • Article
  • Open Access
18 Citations
3,421 Views
20 Pages

Design of Cascaded Multilevel Inverter and Enhanced MPPT Method for Large-Scale Photovoltaic System Integration

  • Fatima Z. Khemili,
  • Omar Bouhali,
  • Moussa Lefouili,
  • Lakhdar Chaib,
  • Attia A. El-Fergany and
  • Ahmed M. Agwa

15 June 2023

The key goal of this effort is to develop an efficient control system for a three-phase cascaded H-bridge multilevel inverter powered by the photovoltaic (PV) system. The power for the system is generated through the use of PV modules, which serve as...

  • Article
  • Open Access
12 Citations
2,315 Views
20 Pages

Parameters Identification of Photovoltaic Cell and Module Models Using Modified Social Group Optimization Algorithm

  • Habib Kraiem,
  • Ezzeddine Touti,
  • Abdulaziz Alanazi,
  • Ahmed M. Agwa,
  • Tarek I. Alanazi,
  • Mohamed Jamli and
  • Lassaad Sbita

4 July 2023

Photovoltaic systems have become more attractive alternatives to be integrated into electrical power systems. Therefore, PV cells have gained immense interest in studies related to their operation. A photovoltaic module’s performance can be opt...

  • Article
  • Open Access
16 Citations
3,833 Views
25 Pages

Topically Applied Biopolymer-Based Tri-Layered Hierarchically Structured Nanofibrous Scaffold with a Self-Pumping Effect for Accelerated Full-Thickness Wound Healing in a Rat Model

  • Kholoud H. Hamza,
  • Ahmed A. El-Shanshory,
  • Mona M. Agwa,
  • Mohamed I. Abo-Alkasem,
  • Esmail M. El-Fakharany,
  • Abdallah S. Abdelsattar,
  • Ali A. El-Bardan,
  • Taher S. Kassem,
  • Xiumei Mo and
  • Hesham M. A. Soliman

Wound healing has grown to be a significant problem at a global scale. The lack of multifunctionality in most wound dressing-based biopolymers prevents them from meeting all clinical requirements. Therefore, a multifunctional biopolymer-based tri-lay...

  • Article
  • Open Access
87 Citations
3,706 Views
14 Pages

Steady-State Modeling of Fuel Cells Based on Atom Search Optimizer

  • Ahmed M. Agwa,
  • Attia A. El-Fergany and
  • Gamal M. Sarhan

17 May 2019

In simulation studies, the precision of fuel cell models has a vital role in the quality of results. Unfortunately, due to the shortage of manufacturer data given in the datasheets, several unknown parameters should be defined to establish the fuel c...

  • Article
  • Open Access
24 Citations
4,502 Views
11 Pages

Association between Interferon-Lambda-3 rs12979860, TLL1 rs17047200 and DDR1 rs4618569 Variant Polymorphisms with the Course and Outcome of SARS-CoV-2 Patients

  • Sara H. A. Agwa,
  • Marwa Mostafa Kamel,
  • Hesham Elghazaly,
  • Aya M. Abd Elsamee,
  • Hala Hafez,
  • Samia Abdo Girgis,
  • Hoda Ezz Elarab,
  • Fatma S. E. Ebeid,
  • Safa Matbouly Sayed and
  • Marwa Matboli
  • + 1 author

28 May 2021

Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection provides a critical host-immunological challenge. Aim: We explore the effect of host-genetic variation in interferon-lambda-3 rs12979860, Tolloid Like–1 (TLL1) rs17047...

  • Article
  • Open Access
19 Citations
4,166 Views
13 Pages

ABHD4-Regulating RNA Panel: Novel Biomarkers in Acute Coronary Syndrome Diagnosis

  • Sara H. A. Agwa,
  • Sherif Samir Elzahwy,
  • Mahmoud Shawky El Meteini,
  • Hesham Elghazaly,
  • Maha Saad,
  • Aya M. Abd Elsamee,
  • Rania Shamekh and
  • Marwa Matboli

16 June 2021

Background: Acute coronary syndrome (ACS) is a major cause of death all over the world. STEMI represents a type of myocardial infarction with acute ST elevation. We aimed to assess the predictive power of potential RNA panel expression in acute coron...

  • Article
  • Open Access
5 Citations
7,788 Views
33 Pages

29 March 2025

Building Information Modeling (BIM) has significantly impacted the global construction industry, promising efficiency, cost savings, and improved project outcomes. However, its adoption in developing countries, such as Nigeria, remains inconsistent d...

  • Article
  • Open Access
2 Citations
1,287 Views
18 Pages

The energy generated from renewable sources has an intermittent nature since solar irradiation and wind speed vary continuously. Hence, their energy should be stored to be utilized throughout their shortage. There are various forms of energy storage...

  • Article
  • Open Access
3 Citations
2,247 Views
19 Pages

Researchers tackled the challenge of finding the right parameters for a transformer-equivalent circuit. They achieved this by minimizing the difference between actual measurements (currents, powers, secondary voltage) during a transformer load test a...

  • Article
  • Open Access
1 Citations
3,642 Views
26 Pages

28 September 2024

Effects of the road, such as speed bumps, can significantly affect a car’s stability. This study focuses on how a quarter-car model is affected by a basic harmonic speed hump and how Cubic Negative Velocity Control (CNVC) is used to control the...

  • Article
  • Open Access
17 Citations
3,733 Views
21 Pages

The red-billed blue magpie optimizer (RBMO) is employed in this research study to address parameter extraction in polymer exchange membrane fuel cells (PEMFCs), along with three recently implemented optimizers. The sum of squared deviations (SSD) bet...

  • Feature Paper
  • Article
  • Open Access
23 Citations
5,947 Views
15 Pages

Lengths of the C-Terminus and Interconnecting Loops Impact Stability of Spider-Derived Gating Modifier Toxins

  • Akello J. Agwa,
  • Yen-Hua Huang,
  • David J. Craik,
  • Sónia T. Henriques and
  • Christina I. Schroeder

12 August 2017

Spider gating modifier toxins (GMTs) are potent modulators of voltage-gated ion channels and have thus attracted attention as drug leads for several pathophysiological conditions. GMTs contain three disulfide bonds organized in an inhibitory cystine...

  • Article
  • Open Access
16 Citations
3,989 Views
19 Pages

Circulatory Endothelin 1-Regulating RNAs Panel: Promising Biomarkers for Non-Invasive NAFLD/NASH Diagnosis and Stratification: Clinical and Molecular Pilot Study

  • Reda Albadawy,
  • Sara H. A. Agwa,
  • Eman Khairy,
  • Maha Saad,
  • Naglaa El Touchy,
  • Mohamed Othman,
  • Mohamed El Kassas and
  • Marwa Matboli

18 November 2021

Nonalcoholic fatty liver disease (NAFLD) is one of the major seeds of liver cirrhosis and hepatocellular carcinoma. There is no convenient reliable non-invasive early diagnostic tool available for NAFLD/NASH diagnosis and stratification. Recently, th...

  • Article
  • Open Access
19 Citations
4,208 Views
18 Pages

Clinical Significance of HSPD1/MMP14/ITGB1/miR-6881-5P/Lnc-SPARCL1-1:2 RNA Panel in NAFLD/NASH Diagnosis: Egyptian Pilot Study

  • Reda Albadawy,
  • Sara H. A. Agwa,
  • Eman Khairy,
  • Maha Saad,
  • Naglaa El Touchy,
  • Mohamed Othman and
  • Marwa Matboli

17 September 2021

Background: Non-alcoholic steatohepatitis ((NASH) is the progressive form of (non-alcoholic fatty liver disease) (NAFLD), which can progress to liver cirrhosis and hepatocellular carcinoma. There is no available reliable non-invasive diagnostic tool...

  • Article
  • Open Access
6 Citations
2,696 Views
19 Pages

Impact of circ-0000221 in the Pathogenesis of Hepatocellular via Modulation of miR-661–PTPN11 mRNA Axis

  • Marwa Matboli,
  • Mohmed Kamal Hassan,
  • Mahmoud A. Ali,
  • Mohamed Tarek Mansour,
  • Waheba Elsayed,
  • Reham Atteya,
  • Hebatallah Said Aly,
  • Mahmoud El Meteini,
  • Hesham Elghazaly and
  • Sara H. A. Agwa
  • + 1 author

Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death in Egypt. A deep understanding of the molecular events occurring in HCC can facilitate the development of novel diagnostic and/or therapeutic approaches. In the present study,...

  • Article
  • Open Access
46 Citations
7,732 Views
26 Pages

Metronidazole Topically Immobilized Electrospun Nanofibrous Scaffold: Novel Secondary Intention Wound Healing Accelerator

  • Ahmed A. El-Shanshory,
  • Mona M. Agwa,
  • Ahmed I. Abd-Elhamid,
  • Hesham M. A. Soliman,
  • Xiumei Mo and
  • El-Refaie Kenawy

23 January 2022

The process of secondary intention wound healing includes long repair and healing time. Electrospun nanofibrous scaffolds have shown potential for wound dressing. Biopolymers have gained much attention due to their remarkable characteristics such as...

  • Article
  • Open Access
37 Citations
3,154 Views
33 Pages

ESMA-OPF: Enhanced Slime Mould Algorithm for Solving Optimal Power Flow Problem

  • Mohamed Farhat,
  • Salah Kamel,
  • Ahmed M. Atallah,
  • Mohamed H. Hassan and
  • Ahmed M. Agwa

17 February 2022

In this work, an enhanced slime mould algorithm (ESMA) based on neighborhood dimension learning (NDL) search strategy is proposed for solving the optimal power flow (OPF) problem. Before using the proposed ESMA for solving the OPF problem, its validi...

  • Article
  • Open Access
43 Citations
2,861 Views
22 Pages

11 February 2022

Renewable distributed generators (RDGs) are widely embedded in electrical distribution networks due to their economic, technological, and environmental benefits. However, the main problem with RDGs, photovoltaic generators, and wind turbines, in part...

  • Review
  • Open Access
327 Citations
29,467 Views
28 Pages

1 February 2022

An increase in human activities and population growth have significantly increased the world’s energy demands. The major source of energy for the world today is from fossil fuels, which are polluting and degrading the environment due to the emi...

  • Article
  • Open Access
14 Citations
4,289 Views
20 Pages

In Silico Identification and Clinical Validation of a Novel Long Non-Coding RNA/mRNA/miRNA Molecular Network for Potential Biomarkers for Discriminating SARS CoV-2 Infection Severity

  • Sara H. A. Agwa,
  • Hesham Elghazaly,
  • Mahmoud Shawky El Meteini,
  • Sherif M. Shawky,
  • Marwa Ali,
  • Aya M. Abd Elsamee,
  • Safa Matbouly Sayed,
  • Nadine Sherif,
  • Howida M. Sharaf and
  • Marwa Matboli
  • + 1 author

9 November 2021

(1) Background: The coronavirus (COVID-19) pandemic is still a major global health problem, despite the development of several vaccines and diagnostic assays. Moreover, the broad symptoms, from none to severe pneumonia, and the various responses to v...

  • Article
  • Open Access
48 Citations
9,171 Views
18 Pages

Topically Applied Bacteriophage to Control Multi-Drug Resistant Klebsiella pneumoniae Infected Wound in a Rat Model

  • Mohamed S. Fayez,
  • Toka A. Hakim,
  • Mona M. Agwa,
  • Mohamed Abdelmoteleb,
  • Rania G. Aly,
  • Nada N. Montaser,
  • Abdallah S. Abdelsattar,
  • Nouran Rezk and
  • Ayman El-Shibiny

(Background): Multi-drug-resistant Klebsiella pneumoniae (MDR-KP) has steadily grown beyond antibiotic control. Wound infection kills many patients each year, due to the entry of multi-drug resistant (MDR) bacterial pathogens into the skin gaps. Howe...

  • Article
  • Open Access
20 Citations
3,950 Views
14 Pages

A Novel Intelligent ANFIS for the Dynamic Model of Photovoltaic Systems

  • Abdelhady Ramadan,
  • Salah Kamel,
  • I. Hamdan and
  • Ahmed M. Agwa

12 April 2022

Developing accurate models for photovoltaic (PV) systems has a significant impact on the evaluation of the accuracy and testing of PV systems. Artificial intelligence (AI) is the science of developing machine jobs to be more intelligent, similar to t...

  • Article
  • Open Access
64 Citations
4,490 Views
46 Pages

Optimal Design of TD-TI Controller for LFC Considering Renewables Penetration by an Improved Chaos Game Optimizer

  • Ahmed H. A. Elkasem,
  • Mohamed Khamies,
  • Mohamed H. Hassan,
  • Ahmed M. Agwa and
  • Salah Kamel

This study presents an innovative strategy for load frequency control (LFC) using a combination structure of tilt-derivative and tilt-integral gains to form a TD-TI controller. Furthermore, a new improved optimization technique, namely the quantum ch...

  • Article
  • Open Access
34 Citations
6,442 Views
15 Pages

29 October 2023

A viable strategy for promoting sustainable development and a cleaner environment is the reuse of demolition-related ceramic waste and ceramic manufacturing byproducts in the production of concrete. The purpose of this study is to assess the possibil...

  • Article
  • Open Access
9 Citations
3,207 Views
20 Pages

Green Extraction of Date Palm Fruits via Ultrasonic-Assisted Approach: Optimizations and Antioxidant Enrichments

  • Hisham Mohamed,
  • Mohamed Al-Hajhoj,
  • Mohamed Al-Saikhan,
  • Nashi Alqahtani,
  • Mohammad Zayed,
  • Mahmoud Moawad,
  • Waleed Alsenaien and
  • Maged E. Mohamed

24 May 2022

Background: Green extraction involves using green solvents, such as water, to reduce energy consumption, avoid health and environmental hazards and induce the quality and quantity of the extract. Date palm fruits are a vital source of food and medici...

  • Feature Paper
  • Review
  • Open Access
59 Citations
16,403 Views
20 Pages

Erosion and Sediment Transport Modeling: A Systematic Review

  • Tesfa Gebrie Andualem,
  • Guna A. Hewa,
  • Baden R. Myers,
  • Stefan Peters and
  • John Boland

12 July 2023

Soil erosion and sediment transport have significant consequences, including decreased agricultural production, water quality degradation, and modification to stream channels. Understanding these processes and their interactions with contributing fac...

  • Review
  • Open Access
137 Citations
15,667 Views
33 Pages

Review of Watershed-Scale Water Quality and Nonpoint Source Pollution Models

  • Lifeng Yuan,
  • Tadesse Sinshaw and
  • Kenneth J. Forshay

Watershed-scale nonpoint source (NPS) pollution models have become important tools to understand, evaluate, and predict the negative impacts of NPS pollution on water quality. Today, there are many NPS models available for users. However, different t...