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  1. Article

    Open Access

    Evaluation and performance comparison of different models for global solar radiation forecasting: a case study on five cities

    Recently, solar energy has emerged as the most promising renewable energy source to meet the world’s energy demands. However, to harness the potential of solar energy, accurate data on solar radiation are cruc...

    Mohamed A. Ali, Ashraf Elsayed in Environment, Development and Sustainability (2023)

  2. Article

    Open Access

    An automatic improved facial expression recognition for masked faces

    Automatic facial expression recognition (AFER), sometimes referred to as emotional recognition, is important for socializing. Automatic methods in the past two years faced challenges due to Covid-19 and the vi...

    Yasmeen ELsayed, Ashraf ELSayed, Mohamed A. Abdou in Neural Computing and Applications (2023)

  3. Article

    Open Access

    Pseudomonas alcaliphila NEWG-2 as biosorbent agent for methylene blue dye: optimization, equilibrium isotherms, and kinetic processes

    In comparison to physicochemical and chemical methods, microbial dye biosorption is regarded as an eco-effective and economically viable alternative and is a widely applied method due to its high efficiency an...

    Abeer A. Ghoniem, Zeiad Moussa, Asma Massad Alenzi in Scientific Reports (2023)

  4. Article

    Open Access

    Brevibacillus DesertYSK and Rhizobium MAP7 stimulate the growth and pigmentation of Lactuca sativa L.

    Applying microbial biostimulants during crop cultivation allows for higher sustainability levels. It reduces the need for fertilizers and environmental contaminants while enhancing plant quality. This study as...

    Amr M. Mowafy, Sherouk Khalifa in Journal of Genetic Engineering and Biotech… (2023)

  5. Article

    Open Access

    Innovative binary sorption of Cobalt(II) and methylene blue by Sargassum latifolium using Taguchi and hybrid artificial neural network paradigms

    The present investigation has been designed by Taguchi and hybrid artificial neural network (ANN) paradigms to improve and optimize the binary sorption of Cobalt(II) and methylene blue (MB) from an aqueous sol...

    Zeiad Moussa, Abeer A. Ghoniem, Ashraf Elsayed, Amenah S. Alotaibi in Scientific Reports (2022)

  6. Article

    Open Access

    Aerodynamics of ancient egyptian Obelisks and their structural response to Boundary Layer wind

    Ancient Egyptian obelisks have been carved thousands of years ago and survived many earthquakes and wind storms. This study examines the aerodynamic characteristics and the response of two of the tallest and s...

    Ahmed ElDegwy, Ashraf Elsayed, Mohamed Darwish in Environmental Fluid Mechanics (2022)

  7. Article

    Open Access

    Correction to: Optimizing production of a biopesticide protectant by black yeast

    Hany Saleh, Ahmed Abdelrazak, Ashraf Elsayed in Egyptian Journal of Biological Pest Control (2022)

  8. No Access

    Article

    Efficient representations of digital images on quantum computers

    Quantum image processing is the use of quantum computing to store, transmit, and process digital images on quantum computers. This paper introduces two enhanced quantum image representations to store quantum i...

    Norhan Nasr, Ahmed Younes, Ashraf Elsayed in Multimedia Tools and Applications (2021)

  9. Article

    Open Access

    Rotatable central composite design versus artificial neural network for modeling biosorption of Cr6+ by the immobilized Pseudomonas alcaliphila NEWG-2

    Heavy metals, including chromium, are associated with developed industrialization and technological processes, causing imbalanced ecosystems and severe health concerns. The current study is of supreme priority...

    WesamEldin I. A. Saber, Noura El-Ahmady El-Naggar in Scientific Reports (2021)

  10. Article

    Open Access

    Optimizing production of a biopesticide protectant by black yeast

    Natural protection of the Bacillus thuringiensis-based biopesticides from inactivation by the UV component of the cosmic rays constitutes a big challenge to environmentalists, health concerned groups, and industr...

    Hany Saleh, Ahmed Abdelrazak, Ashraf Elsayed in Egyptian Journal of Biological Pest Control (2018)

  11. No Access

    Article

    Improving the quantum cost of reversible Boolean functions using reorder algorithm

    This paper introduces a novel algorithm to synthesize a low-cost reversible circuits for any Boolean function with n inputs represented as a Positive Polarity Reed–Muller expansion. The proposed algorithm applies...

    Taghreed Ahmed, Ahmed Younes, Ashraf Elsayed in Quantum Information Processing (2018)

  12. No Access

    Article

    A simple real-time polymerase chain reaction assay using SYBR Green for hepatitis C virus genoty**

    Detection of the hepatitis C virus (HCV) genome is crucial for diagnosis of HCV infection and for monitoring the efficacy of HCV treatment. Thus, we aimed to develop a convenient screening test for common HCV ...

    Hosam Zaghloul, A. A. El Morsi, H. E. Soweha, Ashraf Elsayed in Archives of Virology (2017)

  13. No Access

    Article

    Low frequency paternal transmission of plastid genes in Brassicaceae

    Plastid-encoded genes are maternally inherited in most plant species. Transgenes located on the plastid genome are thus within a natural confinement system, preventing their distribution via pollen. However, a...

    Anja Schneider, Christian Stelljes, Caroline Adams, Stefan Kirchner in Transgenic Research (2015)

  14. No Access

    Chapter and Conference Paper

    Time Series Case Based Reasoning for Image Categorisation

    This paper describes an approach to Case Based Reasoning (CBR) for image categorisation. The technique is founded on a time series analysis mechanism whereby images are represented as time series (curves) and ...

    Ashraf Elsayed, Mohd Hanafi Ahmad Hijazi in Case-Based Reasoning Research and Developm… (2011)

  15. No Access

    Chapter and Conference Paper

    Region of Interest Based Image Categorization

    Region Of Interest Based Image Classification (ROIBIC) is a mechanism for categorising images according to some specific component or object that features across a given image set. This paper describes and com...

    Ashraf Elsayed, Frans Coenen in Data Warehousing and Knowledge Discovery (2010)