39 Result(s)

Article

Microbial acetylcholinesterase inhibitors for Alzheimer’s therapy: recent trends on extraction, detection, irradiation-assisted production improvement and nano-structured drug delivery

Neurodegenerative disorders especially Alzheimer’s disease (AD) are significantly threatening the public health. Acetylcholinesterase (AChE) inhibitors are compounds of great interest which can be used as effe...

Amira G. Zaki, El-Sayed R. El-Sayed… in Applied Microbiology and Biotechnology (2020)

Article

Carbon-dot-loaded Co_xNi_1−xFe₂O₄; x = 0.9/SiO₂/TiO₂ nanocomposite with enhanced photocatalytic and antimicrobial potential: An engineered nanocomposite for wastewater treatment

Water scarcity is now a serious global issue resulting from population growth, water decrease, and pollution. Traditional wastewater treatment plants are insufficient and cannot meet the basic standards of wat...

M. Abd Elkodous, Gharieb S. El-Sayyad, Sally M. Youssry… in Scientific Reports (2020)

Article

Superior visible light antimicrobial performance of facet engineered cobalt doped TiO₂ mesocrystals in pathogenic bacterium and fungi

Pristine and Co-doped TiO₂ mesocrystals have been synthesized via a simple sol–gel method and their antimicrobial activity has been investigated. The antimicrobial performance was evaluated in terms of zone of in...

Ayat N. El-Shazly, Gharieb S. El-Sayyad, Aiat H. Hegazy… in Scientific Reports (2021)

Article

Engineered nanomaterials as fighters against SARS-CoV-2: The way to control and treat pandemics

In this editorial trend, we aim to collect and present recently available data about the characteristics of SARS-CoV-2 virus, severity, infection, replication, diagnosis, and current medications. In addition, ...

Mohamed Abd Elkodous, Gharieb S. El-Sayyad… in Environmental Science and Pollution Resear… (2021)

Article

MoS₂-based nanocomposites: synthesis, structure, and applications in water remediation and energy storage: a review

The world is currently facing critical water and energy issues due to the growing population and industrialization, calling for methods to obtain potable water, e.g., by photocatalysis, and to convert solar en...

M. I. A. Abdel Maksoud, Ahmed G. Bedir, Mohamad Bekhit… in Environmental Chemistry Letters (2021)

Article

Engineered magnetic oxides nanoparticles as efficient sorbents for wastewater remediation: a review

The rapid urbanization and industrialization is causing worldwide water pollution, calling for advanced cleaning methods. For instance, pollutant adsorption on magnetic oxides is efficient and very practical d...

M. I. A. Abdel Maksoud, Ramy Amer Fahim, Ahmed G. Bedir… in Environmental Chemistry Letters (2022)

Article

Novel fabrication of SiO₂/Ag nanocomposite by gamma irradiated Fusarium oxysporum to combat Ralstonia solanacearum

The bacterial wilt is a global destructive plant disease that initiated by the phytopathogenic Ralstonia solanacearum. This study display a novel biofabrication of silica/silver nanocomposite using Fusarium oxysp...

Amira G. Zaki, Yasmeen A. Hasanien, Gharieb S. El-Sayyad in AMB Express (2022)

Article

Oxygen saturation measurements using novel diffused reflectance with hyperspectral imaging: Towards facile COVID-19 diagnosis

Oxygen saturation level plays a vital role in screening, diagnosis, and therapeutic assessment of disease’s assortment. There is an urgent need to design and implement early detection devices and applications ...

Yasser H. El-Sharkawy, Mohamed Hisham Aref… in Optical and Quantum Electronics (2022)

Article

Multifunctional nanocomposites DDM^plusAF inhibit the proliferation and enhance the radiotherapy of breast cancer cells via modulating tumor-promoting factors and metabolic reprogramming

Tumor-promoting factors (TPF) and metabolic reprogramming are hallmarks of cancer cell growth. This study is designed to combine the newly synthesized two nanocomposites DDM (HA-FA-2DG@DCA@MgO) and AF (HA-FA-A...

Noura M. Thabet, Mohamed K. Abdel-Rafei, Gharieb S. El-Sayyad… in Cancer Nanotechnology (2022)

Article

Gamma-Rays Induced Synthesis of Ag-Decorated ZnCo₂O₄–MoS₂ Heterostructure as Novel Photocatalyst and Effective Antimicrobial Agent for Wastewater Treatment Application

The development of novel semiconductors-based-photocatalysts is a promising strategy for addressing environmental pollution. In the present study, gamma irradiation was utilized to induce the synthesis of the ...

M. I. A. Abdel Maksoud, Gharieb S. El-Sayyad… in Journal of Inorganic and Organometallic Po… (2022)

Article

Narrative review on century of respiratory pandemics from Spanish flu to COVID-19 and impact of nanotechnology on COVID-19 diagnosis and immune system boosting

The rise of the highly lethal severe acute respiratory syndrome-2 (SARS-2) as corona virus 2019 (COVID-19) reminded us of the history of other pandemics that happened in the last century (Spanish flu) and stay...

Walid F. Elkhatib, Shereen S. Abdelkareem, Wafaa S. Khalaf… in Virology Journal (2022)

Article

Ferric Oxide Colloid: Towards Green Nano-Fertilizer for Tomato Plant with Enhanced Vegetative Growth and Immune Response Against Fusarium Wilt Disease

Global food crisis due to climate change, pandemic COVID-19 outbreak, and Russia-Ukraine conflict leads to catastrophic consequences; almost 10 percent of the world’s population go to bed hungry daily. Narrati...

Sherif Elbasuney, Gharieb S. El-Sayyad… in Journal of Inorganic and Organometallic Po… (2022)

Article

Antimicrobial, and Antibiofilm Activities of Silver Doped Hydroxyapatite: A Novel Bioceramic Material for Dental Filling

Even though hydroxyapatite (HA) is the most common biocompatible material; it has limited antibacterial resistance. HA experiences a tailor-made structure depending on the desired applications. In this regard,...

Sherif Elbasuney, Gharieb S. El-Sayyad… in Journal of Inorganic and Organometallic Po… (2022)

Article

Potential Impact of Reduced Graphene Oxide Incorporated Metal Oxide Nanocomposites as Antimicrobial, and Antibiofilm Agents Against Pathogenic Microbes: Bacterial Protein Leakage Reaction Mechanism

In the current study, nanocomposites-based reduced graphene oxide (RGO) and metal oxides (AgO, NiO, and ZnO) were fabricated. The starting precursor and RGO were characterized by XRD, Raman, SEM, and HRTEM, wh...

Sherif Elbasuney, M. Yehia, Shukri Ismael, Nawal E. Al-Hazmi… in Journal of Cluster Science (2023)

Article

Antimicrobial and anticancer activities of biosynthesized bimetallic silver-zinc oxide nanoparticles (Ag-ZnO NPs) using pomegranate peel extract

In the last two decades, nanomaterials have received much attention for the treatment of multidrug-resistant microbes that threaten human health. In the current study, the novelty and scientific significance c...

Amr H. Hashem, Gharieb S. El-Sayyad in Biomass Conversion and Biorefinery (2023)

Article

RETRACTED ARTICLE: Molecular identification of extended spectrum β-lactamases (ESBLs)-producing strains in clinical specimens from Tiruchirappalli, India

Vijayalakshmi Selvakumar, Karthik Kannan, Annamalai Panneerselvam… in Applied Nanoscience (2023)

Article

Amygdalin-folic acid-nanoparticles inhibit the proliferation of breast cancer and enhance the effect of radiotherapy through the modulation of tumor-promoting factors/ immunosuppressive modulators in vitro

Breast cancer (BC) cells often develop multiple mechanisms of chemo- and radio-resistance during tumor progression, which is the major reason for the failure of breast cancer therapy. Targeted nanomedicines ha...

Mostafa A. Askar, Gharieb S. El-Sayyad… in BMC Complementary Medicine and Therapies (2023)

Article

Gamma Radiation Induced Synthesis of Novel Chitosan/Gold/Bioactive Glass Nanocomposite for Promising Antimicrobial, and Antibiofilm Activities

In the present study we reported, for the first time, the gamma irradiation induced synthesis of chitosan/Au/bioactive glass (CS/Au/BG) nanocomposite. The bioactive glass (BG), with the composition 45% SiO₂, 32.5...

Gharieb S. El-Sayyad, M. I. A. Abdel Maksoud, Ramy Amer Fahim… in Journal of Cluster Science (2023)

Article

Green synthesis of SiO₂ nanoparticles from Egyptian white sand using submerged and solid-state culture of fungi

This work aims to successfully produce silica nanoparticles (SNPs) from Egyptian white sand using the fungal bioleaching process as a cost-effective and eco-friendly approach. The impact of fungus cultivation ...

Yasmeen A. Hasanien, Mahmoud A. Mosleh… in Biomass Conversion and Biorefinery (2023)

Article

Antifungal activity of myco-synthesized bimetallic ZnO-CuO nanoparticles against fungal plant pathogen Fusarium oxysporum

Fusarium species are considered one of the most destructing plant pathogens. In the current study, bimetallic zinc oxide-copper oxide nanoparticles (ZnO-CuO NPs) were myco-synthesized using Aspergillus fumigatus

Sherif E. Gaber, Amr H. Hashem, Gharieb S. El-Sayyad… in Biomass Conversion and Biorefinery (2023)