Mohamed Tharwat Elabbasy

ORCID: 0000-0002-0138-825X
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Research Areas
  • Bone Tissue Engineering Materials
  • Polymer Nanocomposite Synthesis and Irradiation
  • Graphene and Nanomaterials Applications
  • Synthesis and Characterization of Heterocyclic Compounds
  • Laser-Ablation Synthesis of Nanoparticles
  • Electrospun Nanofibers in Biomedical Applications
  • Nanoparticles: synthesis and applications
  • Phenothiazines and Benzothiazines Synthesis and Activities
  • Antibiotic Resistance in Bacteria
  • Aquaculture disease management and microbiota
  • Synthesis and Reactivity of Heterocycles
  • Aquaculture Nutrition and Growth
  • Synthesis and Reactions of Organic Compounds
  • Diabetes Management and Education
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Essential Oils and Antimicrobial Activity
  • Synthesis and Biological Evaluation
  • Animal Nutrition and Physiology
  • Meat and Animal Product Quality
  • Additive Manufacturing and 3D Printing Technologies
  • Bacterial Identification and Susceptibility Testing
  • biodegradable polymer synthesis and properties
  • Chronic Disease Management Strategies
  • Dental materials and restorations
  • Antioxidant Activity and Oxidative Stress

University of Ha'il
2017-2025

Zagazig University
2005-2024

Universitätsmedizin Göttingen
2022

Hokkaido University
2013

Polyvinyl alcohol (PVA)/polyvinylpyrrolidone (PVP) blends doped with silver nanoparticles (AgNPs) have been fabricated using laser ablation technique in one spot. The physical features of [email protected]/PVP layers were detected by XRD, FTIR, and FESEM techniques. Regarding XRD analysis upon different times, content induces a variation PVA/PVP peaks intensities. surface morphology was exhibited as well size particle distribution AgNPs through the blend surfaces. Further, increases time...

10.1016/j.jmrt.2021.04.055 article EN cc-by-nc-nd Journal of Materials Research and Technology 2021-05-02

Multidrug-resistant (MDR) Escherichia coli is a major foodborne pathogen posing critical threat to public health, particularly through the contamination of animal products. The increasing prevalence and virulence MDR E. strains underscore urgent need for alternative antimicrobial strategies. This study aimed synthesize characterize zinc oxide nanoparticles (ZnO-NPs) using Stevia rebaudiana as sustainable capping reducing agent, aligning with green chemistry principles. Of 120 fish samples,...

10.3390/molecules30040768 article EN cc-by Molecules 2025-02-07

This study compares between different selenium forms (sodium selenite; SeS, selenomethionine; Met-Se or nano-Se) and levels on growth performance, Se retention, antioxidative potential of fresh frozen meat, genes related to oxidative stress in Ross broilers. Birds (n = 450) were randomly divided into nine experimental groups with five replicates each fed diets supplemented 0.3, 0.45, 0.6 mg Se/kg as (SeS, Met-Se), nano-Se. For overall dietary inclusion nano-Se significantly increased (p <...

10.3390/ani9060342 article EN cc-by Animals 2019-06-11

An eco-friendly preparation technique was used to synthesize zinc oxide (ZnO) from Hibiscus rosa-sinensis extract. In addition, titanium dioxide (TiO2) combined with ZnO in a nanocomposite. The structural investigation done by x-ray diffraction (XRD) and the hexagonal symmetry of detected. calculated crystallite size increased 31.3 34.4 nm. Furthermore, functional groups organic residues were detected chemical analysis Fourier transform infrared spectroscopy (FTIR). rod grains TiO2 scanning...

10.1016/j.jmrt.2021.09.048 article EN cc-by-nc-nd Journal of Materials Research and Technology 2021-09-20

In this work, the function of various ratios bismuth (III) oxide nanoparticles (Bi2O3 NPs) scattered in Chitosan/Poly (Vinyl Pyrrolidone) is applied to be used electronic devices and antibacterial applications. Chitosan/PVP/Bi2O3 nanocomposite films have been synthesized via laser ablation. The structural properties according XRD results confirm that bond chains Chitosan/PVP breaking after ablation resulting from high activation energy beam elongation time leading evaporation polymer...

10.1016/j.jmrt.2020.12.109 article EN cc-by-nc-nd Journal of Materials Research and Technology 2021-01-01

Abstract Background The effects of safflower oil and vitamin C (Vit. C) inclusion in broiler chicken diets on the growth performance, apparent ileal digestibility coefficient “AID%” amino acids, intestinal histology, behavior, carcass traits, fatty acid composition breast muscle, antioxidant immune status for a 35-day feeding period were evaluated. A total 300 three-day-old Ross chicks (58.25 g ± 0.19) randomly allotted 2 × 3 factorial design consisting two levels (0 400 mg/kg diet) three...

10.1186/s12917-021-02773-5 article EN cc-by BMC Veterinary Research 2021-02-04

The present study was conducted to assess the effect of replacing fish meal with whey protein concentrate (WPC) on growth performance, histopathological condition organs, economic efficiency, disease resistance intraperitoneal inoculation Aeromonas hydrophila, and immune response Oreochromis niloticus. toxicity WPC tested by measuring activity caspase 3 as an indicator cellular apoptosis. niloticus fingerlings average initial weight 18.65 ± 0.05 gm/fish (n = 225) for a 10-week feeding trial....

10.3390/ani9121003 article EN cc-by Animals 2019-11-20

Plant-derived bioactive compounds with promising nutritional and therapeutic attributes (phytogenics) are among the top priorities in aquaculture sector. Therefore, impact of thymol (Thy) and/or thymoquinone (ThQ) on growth, immune response antioxidant capacity, Aeromonas sobria (A. sobria) resistance Nile tilapia was investigated. Four fish groups were fed a control diet three basal diets supplemented 200 mg/kg Thy or ThQ blend both at level each. At end feeding trial (12 weeks), tilapias...

10.3390/ani12213034 article EN cc-by Animals 2022-11-04

The rise of multidrug-resistant (MDR) bacteria in food products poses a significant threat to public health, necessitating innovative and sustainable antimicrobial solutions. This study investigates the green synthesis zinc oxide nanoparticles (ZnO-NPs) using Stevia rebaudiana extracts evaluate their antibacterial antibiofilm activities against MDR Staphylococcus aureus strains isolated from sold fish samples. obtained results show that contamination with S. reached 54.2% tested samples (n =...

10.3390/nano15050369 article EN cc-by Nanomaterials 2025-02-27

Abstract Our study focused on the optical behavior, methylene blue (MB) dye degradation potential, antibacterial performance, and silver trioxide mineral interaction with different bacterial species. We found that addition of nanoparticles (Ag NPs) to neodymium oxide (Nd 2 O 3 ) resulted in a significant response, an enlargement inhibition zone for species such as Staphylococcus aureus Escherichia coli. Specifically, S. increased from 9.3 ± 0.5 mm pure Nd 16.7 0.4 Ag/Nd nano-composite, while...

10.1038/s41598-024-57226-4 article EN cc-by Scientific Reports 2024-04-30

Background and Objectives: Preventive, adjunctive curative properties of lactoferrin have been evaluated since the first wave severe acute respiratory syndrome coronavirus (SARS-CoV), a viral disease, emerged 18 years ago. Despite discovery new vaccine candidates, there is currently no widely approved treatment for SARS-CoV-2 (COVID-19). Strict adherence to infection prevention control procedures, as well vaccines, can, however, prevent spread SARS-CoV-2. This study aimed evaluate efficacy...

10.3390/medicina57080842 article EN cc-by Medicina 2021-08-19

Climate change is considered to be the primary cause of heat stress (HS) in broiler chickens. Owing unique properties extracted polyphenols, resveratrol-loaded liposomal nanoparticles (Resv-Lipo NPs) were first explored mitigate harmful effects HS. The dietary role Resv-Lipo NPs heat-stressed birds was investigated based on their growth performance, antioxidative potential, and expression shock proteins, sirtuins, antioxidant, immune, muscle-building related genes. A total 250 1-day-old Ross...

10.3389/fvets.2023.1137896 article EN cc-by Frontiers in Veterinary Science 2023-03-28

This study aims to bio-modulate Poly (vinyl alcohol) crosslinked by silver and gold nanoparticles fabricated one-step laser ablation. The optical, cell viability, antibacterial characterization of the films have been studied via different techniques. FTIR XRD were used investigate molecular structures polymer matrix Polyvinyl Alcohol incorporating (Ag-Au NPs) created data illustrate semicrystalline structure PVA, with two hump peaks at 2θ = 8.52° 20.17° that are decreased when loaded Ag-Au...

10.1016/j.jscs.2023.101637 article EN cc-by-nc-nd Journal of Saudi Chemical Society 2023-03-23

Background . Since the beginning of humanity, global burden foodborne disease has had a decimating effect on populations, with biogenic amines (BAs) and aflatoxins in meat products implicated. While many developed countries have legitimized safety levels for BAs using evidence-based guidelines to attain high food quality standards consumers products, developing are still battling against poor checking. Purpose This study examines level health risk aflatoxin by extracting estimating their...

10.1155/2020/8718179 article EN cc-by Journal of Food Quality 2020-07-29
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