National Research Centre

Sol–Gel-Derived ZnO-Doped ZrT Oxide Nanocomposites as Highly Efficient Electrocatalysts for Nonenzymatic Hydrogen Peroxide Detection

Abstract Zr 0.1 Ti 0.9 O 2 nanocomposites containing 0, 1, 2, and 3 mol% ZnO, denoted as ZrT, 1ZnZrT, 2ZnZrT, and 3ZnZrT, respectively, were synthesized via a sol–gel route to investigate the effects of ZnO incorporation on their structural, optical, and electrochemical propertie...

Integrating chromic responsiveness with conventional performance toward multifunctional smart fibers for applied technologies

Abstract Stimuli-responsive wearable textiles with reversible colorimetric changes have been crucial for various applications, such as healthcare monitoring, camouflage, energy-saving building materials, and sensing. Rapid technological advancements have led to a diversity of sma...

Superior liquid crystal properties of nanochitin-graphite oxide based nanocomposites

Lowering the critical concentration required for liquid crystal (LC) phase formation is essential for improving the performance and economic feasibility of LC-based nanobiomaterials. In this study, the effect of graphite oxide (GO) on the optical behaviour of chitin nanoparticle...

SMILES-Based Deep Learning Enables Discovery of Chemically Modified Ultrashort Antimicrobial Peptides

Abstract Sequence-based models for antimicrobial peptides are limited in representing chemically modified peptides, restricting computational discovery to canonical amino acids. Here, we developed SMAMP, a SMILES-based graph deep learning framework that encodes peptides as molecu...

Nebivolol ameliorates CFA-induced adjuvant arthritis and is associated with reduced WNT5A and active β-catenin protein levels

Abstract Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disorder characterized by synovial inflammation, cartilage destruction, bone erosion, and progressive functional impairment. Despite therapy, treatment failure and adverse effects remain major challenges. Thi...

A cell-free therapeutic strategy using MSC-derived exosomes and activated platelet lysate for acute kidney injury induced by rhabdomyolysis

Abstract Rhabdomyolysis-induced acute kidney injury (AKI) is primarily driven by myoglobin-mediated tubular toxicity, leading to pronounced oxidative stress, inflammation, and apoptosis. Given the limited availability of effective targeted therapies, this study aimed to evaluate...

Nano curcumin as a multifunctional additive in (PVP/SA) blends: structural, optical, and antibacterial insights

Abstract Nano curcumin was incorporated into Polyvinyl pyrrolidone/ Sodium alginate (PVP/SA) blend using casting method. The decrease in amorphousity of PVP/SA polymer blend with increasing nano curcumin content was confirmed by XRD results. FTIR illustrated the coordination or i...

Milk Yield, Nitrogen Use Efficiency, and Rumen Fermentation in Barki Ewes, and the Performance of Their Offspring in Response to Increasing Dietary Protein Levels

ABSTRACT This study investigated the effects of increasing dietary crude protein (CP) levels on milk yield, nutrient utilization, nitrogen use efficiency, rumen fermentation, and lamb growth in lactating Barki ewes. Twenty‐one multiparous ewes (mean body weight (BW) of 40.5 ± 0.4...

Harvest-Time–Dependent variations in phytochemistry and in vitro bioactivities of Vitis vinifera Leaves

BACKGROUND: Vitis vinifera L. leaves are rich in bioactive phytochemicals, but their composition and biological activities may vary considerably with harvest time. This study investigated harvest-dependent changes in the phytochemical profile and in vitro biological activities of...

Evaluating Aspergillus brasiliensis (ATCC 16404) for the bioaccumulation and solubilization of selenium nanoparticles

Abstract The extensive application of selenium nanoparticles (Se-NPs) in research and industry for their antibacterial, antioxidant, and anticancer properties raises concerns about environmental contamination and ecological risks. This highlights the need for eco-friendly methods...

A new approach to improve acoustic and UV-protection properties in blind curtains using recycled acrylic waste

Abstract This study aims to use acrylic fiber waste into a functional coating that enhances the acoustic and UV-protective properties of roller blind curtain fabrics, demonstrating a sustainable route for high-value textile waste utilization. Acrylic fibre waste was dissolved in...

Magnetically recoverable carboxymethyl chitosan/cerium dioxide/iron oxide tricomponent nanocomposite: A biobased photocatalyst for environmental remediation and antimicrobial applications

Carboxymethyl chitosan (CMCs) is extensively used for wastewater treatment owing to its active functional groups. For improved efficiency, a nanocomposite of two metal oxides, cerium dioxide (CeO 2 ) and iron oxide (Fe 2 O 3 ), was prepared by ball milling. Two loadings (0.15 and...

Insecticidal activity of Metarhizium anisopliae-mediated nanoparticles and fungal metabolites against the red palm weevil, Rhynchophorus ferrugineus

Abstract This study evaluated the insecticidal activity of green-synthesized metallic nanoparticles (Ag, CuO, and ZnO) and the ethanolic extract of Metarhizium anisopliae against the red palm weevil ( Rhynchophorus ferrugineus ). Physicochemical characterization confirmed the suc...

Evaluation of crystal violet adsorption onto phosphorylated microcrystalline cellulose and phosphorylated date seeds powder: isotherms, kinetics, mechanisms, and thermodynamics

Abstract The discharge of synthetic dyes into aquatic environments remains a major environmental challenge, necessitating the development of sustainable and efficient adsorbents for wastewater treatment. This study presents a novel comparative analysis of Phosphorylated Microcrys...

Impact of ultrasound pretreated fish bone protein hydrolysate on the functional and bioactive properties of fish seasoning compared to market fish seasoning

Fish bones contain a substantial amount of protein that may have beneficial functional and bioactive properties. Ultrasound has been used for structural modification and functional optimization of the bioactive properties of protein. The aim of the study was to evaluate the effic...

Upcycling medical waste into a magnetic adsorbent for amoxicillin removal: a circular economy approach

Abstract Pharmaceutical pollution, particularly contamination by antibiotics such as amoxicillin (AMX), represents an increasing threat to aquatic ecosystems. Conventional wastewater treatment technologies often exhibit limited removal efficiency and may involve high operational...

Ovalbumin peptides exert bidirectional immunomodulatory activity in vivo via regulating cytokines and antioxidant capacity

The ideal immunomodulatory peptides should possess both immune-enhancing and anti-inflammatory properties. This study investigated the bidirectional immunomodulatory activity of ovalbumin peptides (OVAP) using immunocompromised and inflammatory mice models integrated with network...

Impact of nickel doping on the optical, magnetic and electrical properties of CMFC ferrite

Abstract The multifunctional properties of spinel ferrites can be effectively tailored through Ni substitution, particularly in systems where cation redistribution and electron hopping mechanisms govern the structural, optical, electrical, and magnetic responses. In this work, Cu...

Sero-epidemiological survey of Toxoplasma gondii in water buffalo (Bubalus bubalis) and domestic pig (Sus scrofa domesticus) across upper and lower Egypt

Toxoplasma gondii ( T. gondii ) is a globally prevalent protozoan parasite affecting warm-blooded species, including humans. In Egypt, serological surveys have been conducted in several livestock; however, studies on species such as buffalo and pigs remain scarce. This study aime...

Molecular modeling characterization of cellulose and chitosan metal oxide hybrid interfaces

Abstract The interfacial electronic structure of biopolymer–metal oxide hybrids determine their stability, yet this structure is still not well understood. Here, we report a density functional theory study of 10 model systems consisting of cellulose and chitosan functionalized wi...