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27 results for “Mohamed Sayed”
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Research ArticleOpen accessIn the author namesA Secure Unicast/Multicast Authentication and Key Distribution Protocols for Smart GridSamah Mohamed Sayed, Heba Kamal Aslan, Ayman Mohamed HassanThis study discusses the problem of key distribution protocol in IoT systems especially smart grids for two modes of communication: Unicast and multicast. In the present paper, we suggested two protocols for key distribution for both unicast and multicast communication. The proposed schemes are based on symmetric key encryption with cryptographic primitives: Hashes and nonces. In addition, the multicast key … …American Journal of Engineering and Applied Sciences, Vol. 15, Issue 4 · 4 Jan 2023 · 5,424 accessesView PDFCite
Research ArticleOpen accessIn the author namesGreen Building: Use of Pozzolanic Material to Reduce CO2 Emissions and Energy Conservation in the Production of Composite Pozzolanic CementAbd EL-Rahman Ragab, Shimaa Younis, Mohamed Sayed Mohamed MoawadThe effect of pozzolanic material on the mechanical properties and microstructure of clinker Portland cement mortar was studied. The main objective of this research is to formulate a Pozzolanic blended cement mortar with high mechanical properties to reduce CO2 emissions and energy conservation uses in the clinker industry. The present investigation aims to study the effect of fresh basalt on … …American Journal of Engineering and Applied Sciences, Vol. 15, Issue 2 · 9 Jun 2022 · 6,278 accessesView PDFCite
Research ArticleOpen accessIn the author namesEffect of Gamma Radiation on Oil Quality of Dried Mint LeavesAbd El-Rahman Abd El-Raouf Ahmed, Gamal Kamal Arafa, Helmy El-Sayed Hassan, Hend Nabil MohamedThe green mint crop is considered a medicinal and aromatic plant grown in most of Egypt's governors and it has multiple uses, whether it is used fresh or dried or mint oil is extracted from it and mint is also known as its medicinal importance as research has proven that it has many health benefits. This research was conducted to … …American Journal of Agricultural and Biological Sciences, Vol. 15, Issue 1 · 25 May 2020 · 7,465 accessesView PDFCite
Research ArticleOpen accessIn the author namesThermal Face Authentication with Convolutional Neural NetworkMohamed Sayed, Faris BakerMatching thermal face images as a method of biometric authentication has gained increasing interest because of its advantage of tracking a target object at night and in total darkness. Therefore, for security purposes, it has become highly favourable and has extensive applications, for instance, in video surveillance at night. The aim of this study is to present a simple and … …Journal of Computer Science, Vol. 14, Issue 12 · 10 Dec 2018 · 7,854 accessesView PDFCite
Research ArticleOpen accessIn the author namesBiometric Gait Recognition Based on Machine Learning AlgorithmsMohamed SayedIt is crucial to find methods that analyze large amount of data captured by cameras and/or various sensors installed all around us. Machine learning becomes a prevailing tool in analyzing such data that signifies behavioral characteristics of human beings. Gait as an identifier for use in individual recognition systems has respective and almost certainly unique key features for each person … …Journal of Computer Science, Vol. 14, Issue 7 · 6 Aug 2018 · 8,984 accessesView PDFCite
Research ArticleOpen accessIn the author namesForensic Evidence for Cytochrome b Gene SNPs in Obese and Non Obese Saudi ArabiansSayed Amin Mohamed Amer, Bandar Raddat Allah AlHothali, Monira Hmoud Alotaibi, Salah Mohamed TubaigyOral swabs from obese and non obese Saudi Arabians from both sexes with an average age of 35 years old were collected and their DNAs were extracted. PCR for 1000 bp of the mitochondrial cytochrome b (cytb) gene was conducted and the amplified products were sequenced in order to determine the possible forensic or obesity-related SNPs. Alignment of the obtained … …American Journal of Biochemistry and Biotechnology, Vol. 14, Issue 1 · 9 Mar 2018 · 9,380 accessesView PDFCite
Research ArticleOpen accessIn the author namesAn NPV Optimization Model for Closed-Loop Supply Chain Network Design and PlanningAl-Ashhab Mohamed Sayed, Nahid AfiaAs the importance of forward-reverse logistics increases, attention will be focused on parameters which affect Net Present Value (NPV) of the whole system, aiming at considering the time value of money in planning. In this research, an NPV optimization model for multi-period multi-product closed-loop supply chain network design and planning is developed to maximize the total NPV. The effect of … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 1 · 18 Feb 2017 · 7,633 accessesView PDFCite
Research ArticleOpen accessIn the author namesFACILE SYNTHESIS OF IN-VIVO INSECTICIDAL AND ANTIMICROBIAL EVALUATION OF BIS HETEROCYCLIC MOIETY FROM PET WASTEAsmaa Mahmoud Fahim, El Sayed Mohamed Yakout, Galal Abd ElMohein NawwarRecycling of Plastic Solid Waste (PSW) using green tool such as solar energy which used for degradation of plastic solid bottles (PET) to afford terepthalic acid which estrified using butanol/H2SO4 to afford dibutyl terephthalate as a starting material which has been chemically modified to yield new bis (1,2,4-triazole-3-thiol) 5, 1,3,4-oxadiazole 6, 8, 15, 1,3-thiazolidine 9, 1 H-pyrazole 10, 11 and … …OnLine Journal of Biological Sciences, Vol. 14, Issue 3 · 21 Aug 2014 · 7,373 accessesView PDFCite
Research ArticleOpen accessIn the author namesREMEDIAL EFFECTS OF VITAMIN E AND L-ARGININE ON PERIPHERAL NEUROPATHY IN STREPTOZOTOCIN-INDUCED DIABETIC RATSIsmaeel Bin-Jaliah, Samah El-Attar, Eman F. Khaleel et al.It was shown that hyperglycemia in diabetic patients is the main factor of diabetic peripheral neuropathies. Various pathways related to oxidative stress, vascular defect and defective endothelium dependent relaxation have been implicated in the development of diabetic peripheral neuropathy. A substantial number of studies have shown that antioxidant treatment are promising therapeutics that can prevent or correct reduced motor nerve … …American Journal of Pharmacology and Toxicology, Vol. 9, Issue 1 · 23 Dec 2013 · 8,041 accessesView PDFCite
Research ArticleOpen accessIn the author namesMolecular Study of Energy Related Mitochondrial Genes in Arabian and Bactrian CamelsMohamed M. Ahmed, Samir A. El-Shazly, Samy M. Sayed, Sayed A.M. AmerThe single-humped camel, Camelus dromedaries inhabiting Afro-Arabia and the double-humped camel, Camelus bactrianus inhabiting central Asia are the only species in their genus. The present study aimed to amplify and partially sequence the mitochondrial DNA genes encoding for NADH dehydrogenase subunit 1, cytochrome c oxidase subunit 1, ATP synthase subunit 6 (ATP6), cytochrome b and displacement region (d-loop) in the … …American Journal of Biochemistry and Biotechnology, Vol. 9, Issue 1 · 18 Mar 2013 · 7,368 accessesView PDFCite