17 hasil untuk "Abdallah Elsayed"

Potential value of serum Progranulin as a biomarker for the presence and severity of micro vascular complications among Egyptian patients with type 2 diabetes mellitus

Albeltagy, Eman Salah; Hammour, Abdallah Elsayed; Albeltagy, Salah Ahmad

J Diabetes Metab Disord · 2019 · Inggris · PubMed Central

OBJECTIVE: The increasing prevalence of type 2 diabetes mellitus (T2DM) calls for evolving a concomitant screening strategies for early disease detection and prediction of the complications. Progranulin (PRGN) was recently introduced as a biomarker of inflammation in T2DM. However, little data have…

Observing the Effect of Grain Refinement on Crystal Growth of Al and Mg Alloys during Solidification Using In-Situ Neutron Diffraction

Abdallah Elsayed; Francesco D’Elia; Comondore Ravindran dkk.

Metals, Vol. 12 No. 5 · 2022 · Inggris · DOAJ Scopus

The present research uses in-situ neutron diffraction to examine the effect of grain refinement on grain growth during solidification of Al-5 wt.% Cu and Mg-5 wt.% Zn alloys. The alloys were grain refined through additions of Al-5Ti-1B and Zr, respectively. The in-situ neutron diffraction…

Echocardiographic Assessment of Right Ventricular Systolic Function in Patients with Chronic Renal Disease

Abuelfotoh, Abdallah Elsayed; Kassem, Hanan K.; Alhefnawy, Suzan B. dkk.

J Cardiovasc Echogr · 2025 · Inggris · PubMed Central

BACKGROUND: While pulmonary hypertension (HTN) is more common in individuals with chronic renal disease, there is a dearth of information about the development of right ventricular failure. The purpose of this study was to evaluate RV systolic function using tissue Doppler and conventional…

Comparison Between the Effect of Turbinoplasty With and Without Posterior Nasal Nerve Neuroectomy in Patients of Allergic Rhinitis Not Responding to Medical Treatment

Abdallah Elsayed; Soad Mostafa; Hoda Ibrahim dkk.

International Journal of Medical Arts, Vol. 6 No. 4 · 2024 · Inggris · DOAJ

Background: Allergic rhinitis is a common condition that can be challenging to manage, especially when patients do not respond to standard medical treatments. Turbinoplasty is a surgical procedure commonly used to address nasal obstruction in these patients. Posterior nasal nerve neuroectomy is an…

Reconfiguration of electrical distribution network-based DG and capacitors allocations using artificial ecosystem optimizer: Practical case study

Abdullah Shaheen; Abdallah Elsayed; Ahmed Ginidi dkk.

Alexandria Engineering Journal, Vol. 61 No. 8 · 2022 · Inggris · DOAJ Dikeluarkan Scopus 2025

In this article, a new implementation of Artificial Ecosystem Optimizer (AEO) technique is developed for distributed generators (DGs) and capacitors allocation considering the Reconfiguration of Power Distribution Systems (RPDS). The AEO is inspired from three energy transfer mechanisms involving…

Bioactive peptides: Synthesis, applications, and associated challenges

Abrar Alzaydi; Rahul Islam Barbhuiya; Winny Routray dkk.

Food Bioengineering, Vol. 2 No. 3 · 2023 · Inggris · DOAJ Scopus

Abstract Bioactive peptides (BPs) are chains of amino acids linked together by peptide bonds and arranged in a specific way. These peptides are important to human health and can be used in preserving food. The interest in BPs and its benefits has led to increased production from different food…

An Innovative Hybrid Heap-Based and Jellyfish Search Algorithm for Combined Heat and Power Economic Dispatch in Electrical Grids

Ahmed Ginidi; Abdallah Elsayed; Abdullah Shaheen dkk.

Mathematics, Vol. 9 No. 17 · 2021 · Inggris · DOAJ Scopus

This paper proposes a hybrid algorithm that combines two prominent nature-inspired meta-heuristic strategies to solve the combined heat and power (CHP) economic dispatch. In this line, an innovative hybrid heap-based and jellyfish search algorithm (HBJSA) is developed to enhance the performance of…

Rapidly developing jaundice in a Khat user with parenchymal liver disease: diagnostic dilemma

Ayman Abdel Aziz; Ahmed El Ray; Maged ElGhannam dkk.

The Egyptian Journal of Internal Medicine, Vol. 37 No. 1 · 2025 · Inggris · DOAJ

Abstract Background In this case report, we described a case of primary hemochromatosis which is infrequently diagnosed in the Middle East. There is lack of awareness of hemochromatosis among clinicians and pathologists in our region as the disease is relatively rare but increasing due to the…

Comparison of Recognition Techniques to Classify Wear Particle Texture

Mohammad Laghari; Ahmed Hassan; Mahmoud Haggag dkk.

Eng, Vol. 6 No. 6 · 2025 · Inggris · DOAJ Scopus

Wear particle analysis, which identifies failure modes caused by the wear of various machine components, is an essential technique for monitoring machinery conditions. This analysis plays a vital role in predictive maintenance by revealing component degradation in machinery. This study proposes an…

Synthesis of Neem-Oil-Infused Niosome and Starch Nanoparticle Coatings for Preserving the Quality of Strawberry Fruit

Rahul Islam Barbhuiya; Charles Wroblewski; Sivaranjani Palanisamy Ravikumar dkk.

Foods, Vol. 14 No. 11 · 2025 · Inggris · DOAJ Scopus

Strawberries face marketing challenges due to their short post-harvest shelf-life, largely impacted by shrivelling, weight loss, fungal decay, and mechanical damage. Neem oil (NO) is known for its shelf-life extension benefits; however, encapsulation is needed to maintain its efficacy. This study…

Developed Gorilla Troops Technique for Optimal Power Flow Problem in Electrical Power Systems

Abdullah Shaheen; Ahmed Ginidi; Ragab El-Sehiemy dkk.

Mathematics, Vol. 10 No. 10 · 2022 · Inggris · DOAJ Scopus

This paper presents a developed solution based on gorilla troops optimization technique for OPFP in EPSs. The GTOT is motivated by gorillas’ group behaviors in which several methods are replicated, such as migration to an unfamiliar location, traveling to other gorillas, migration toward a specific…

Magnetic Resonance Spectroscopy Role in Assessment of Pediatric Supratentorial Brain Lesions

Ahmad Abdallah Elsayed Elgamal; Mohamed Fouad Abd El-Moaty Abd El-Wahab; Mostafa Shakweer

International Journal of Medical Arts, Vol. 4 No. 6 · 2022 · Inggris · DOAJ

Background: Magnetic resonance spectroscopy [MRS] is of value for pediatric neurologist, as it confers relevant information from the clinical point of view. It is worth for brain tumors, infections and disorders of the white matter. MRS metabolites add additional value to the therapeutic solutions…

Comparative effect of aerobic training vs resistance exercise on homocysteine levels and cardiovascular risk factors in type 2 diabetic individuals: a randomized clinical trial

Hanan Abdallah Elsayed; Mona Ahmed Mohamed; Akram Abdelaziz Sayed dkk.

Family Medicine & Primary Care Review, Vol. 26 No. 2 · 2024 · Inggris · DOAJ Scopus

Synthesis and fabrication of starch-niosome-neem hybrid nanomaterials via a novel rapid spray nanoprecipitation technique: Functionality, structure, and preservation effect on fruits

Rahul Islam Barbhuiya; Sivaranjani Palanisamy Ravikumar; Charles Wroblewski dkk.

Industrial Crops and Products, Vol. 240 · 2026 · Inggris · DOAJ

Neem oil can enhance the shelf life of fresh produce, but encapsulation is essential to overcome its instability and maintain its efficacy. This study focused on developing neem seed oil-loaded niosomes to create hybrid systems, including hybrid nanomaterials, emulsions, and packaging films using…

Application of Non-Destructive Testing Techniques (NDTT) to Characterize Nanocarriers Used for Drug Delivery: A Mini Review

Rahul Islam Barbhuiya; Saipriya Ramalingam; Harsimran Kaur Kalra dkk.

Biophysica, Vol. 2 No. 3 · 2022 · Inggris · DOAJ Scopus

The synthesis of tailored and highly engineered multifunctional pharmaceutical nanocarriers is an emerging field of study in drug delivery applications. They have a high surface-area-to-volume ratio, aiding the targeted drug’s biodistribution and pharmacokinetic properties. Therefore, the…

Skeletal muscles index in Egyptian adults with transfusion dependent Beta thalassemia

Doaa Mohamed El Shamy; Sabry Abdullah Shoeib; Walaa AbdAllah ElSayed Kandeel dkk.

The Egyptian Journal of Internal Medicine, Vol. 38 No. 1 · 2026 · Inggris · DOAJ

Abstract Background Transfusion-dependent β-thalassemia (TDT) has become a chronic condition associated with multiple metabolic and musculoskeletal complications. Sarcopenia is increasingly recognized as a major contributor to morbidity in adults with TDT, largely driven by chronic anemia, iron…

Role of intravascular ultrasound use in patients undergoing endovascular aortoiliac aneurysm repair

Mohammed Alsagheer Alhewy; Mohamed Yahia Zakaria Mohamed; Mohamed Hamza Metwaly dkk.

Journal of Cardiothoracic Surgery, Vol. 21 No. 1 · 2025 · Inggris · DOAJ Scopus

Abstract Background This study aimed to assess the accuracy of aortic measurements obtained by intravascular ultrasound (IVUS) compared with intra-arterial contrast agents (IACA), and to evaluate the role of IVUS in endovascular repair of abdominal aortic aneurysms (EVAR), particularly in patients…