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Microbial,immune and antioxidant responses of Nile tilapia with dietary nano-curcumin supplements under chronic low temperatures

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Aquaculture and Fisheries 2024年第1期9卷 57-65页

作者： Mohammed F.El Basuini Mohamed A.A.zaki Abdelaziz M.El-Hais Mohamed G.Elhanafy Emad H.El-Bilawy Amr I.Zaineldin Mohamed F.A.Abdel-Aziz Ibrahim A.Abouelsaad Ibrahim TEl-Ratel Kumbukani Mzengereza Ronick S.Shadrack Islam I.Teiba Faculty of Agriculture Tanta UniversityTanta31527Egypt King Salman International University South Sinai46618Egypt Faculty of Agriculture Alexandria UniversityAlexandria21526Egypt Animal Health Research Institute(AHRI-DOKI) Agriculture Research CenterGiza12619Egypt Fish Rearing Lab. Aquaculture DivisionNational Institute of Oceanography and FisheriesAlexandria21556Egypt Horticulture Department Faculty of AgricultureDamanhour UniversityDamanhur22511Egypt Department of Poultry Production Faculty of AgricultureDamietta UniversityDamietta34517Egypt Laboratory of Aquatic Animal Nutrition Faculty of FisheriesKagoshima UniversityKagoshima890-0065Japan Department of Aquatic and Fisheries Science Mzuzu UniversityMzuzuPrivate Bag 201Malawi Faculty of Aquaculture and Marine Fisheries Arish UniversityArish45516Egypt

A 56-day feeding period was performed to investigate the possible impacts of dietary nano curcumin(0,50,100,150,and 200 ppm)on the growth,nutrient utilization,non-specific immune parameters,antioxidants in Nile tilapia under chronic low temperature(21.02±0.11◦C).Fishes(n=225;Initial weight=4.39±0.08 g/fish)were randomly stocked at 15 fish/tank for five experimental groups in *** low-temperature circumstances,dietary curcumin in nano form showed no notable alteration in growth variable,nutrient efficiency,digestive enzymes efficiency,biometric indices,survival rates,and hematological ***,the serum of fishes with nano curcumin diets under low-temperature stress displayed higher total protein as well as lower glucose,cortisol,and total cholesterol compared with the control ***,fish fed nano curcumin diets displayed higher lysozyme and bactericidal activities compared to the control group and the best performance was found at dietary nano curcumin level of≥100 ***,groups fed the basal diet demonstrated the poorest antioxidant capacity,and the best superoxide dismutase(SOD)and glutathione peroxidase(GPx)existed in fish with nano curcumin diets while the best catalase(CAT)efficiency occurred at higher nano curcumin levels≥100 *** addition,higher counts of intestinal microbiota in terms of total bacterial count(TBC),total yeast and molds count(TYMC),and coliform were noticed in fish consumed the basal diet compared to groups fed on nano curcumin *** conclusion,incorporating nano curcumin at a level of≥100 mg/kg diet(particularly at 150 mg/kg)improved a non-specific immune response,antioxidant,and healthier gastrointestinal microbiota in Nile tilapia under chronic low-temperature stress.

关键词： Nano curcumin Gastrointestinal microbiota Antioxidants Non-specific immune responses Temperature stress

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Embolization of brain arteriovenous malformations with squid co-polymer embolic material:Initial experience

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Journal of Interventional Medicine 2023年第4期6卷 175-178页

作者： Li Shyan Ch'ng Zulkifli zaki ahmad Sobri Muda Radiology Department Faculty of Medicine UiTMSungai BulohMalaysia Radiology Department Hospital Sungai BulohSungai BulohMalaysia Radiology Department HSAASFaculty of Medicine and Health SciencesUniversiti Putra MalaysiaMalaysia Radiology Department Faculty of Medicine UiTM Sungai Buloh47000Malaysia

Objective:To analyze the safety and effectiveness of the ethylene-vinyl alcohol copolymer(EVOH)liquid embolic agent Squid(Emboflu,Switzerland)for the treatment of brain arteriovenous *** and procedures:Between April 2015 and July 2017,46 embolization treatments for brain arteriovenous malformations(BAVM)were performed in 25 patients using two Squid formulations(18 and 12).Six female and 19 male patients with a mean age of 34 years(range,9–62 years)were included.A total of 46 procedures were *** BAVMs were classified as Spetzler-Martin gradeⅡin 4 procedures,Ⅲin 27 procedures,and 1V in 15 *** the 25 patients,15 presented with hemorrhage,5 with seizures,and 5 with headache and *** BAVMs were located in the temporal lobe in 5 patients,parietal lobe in 7 patients,frontal lobe in 3 patients,posterior fossa in 6 patients,basal ganglia in 3 patients,and parasagittal lobe in 1 ***:The obliteration rate of the BAVMs ranged from 10%to 100%,with a mean of 33%.Most patients underwent their first or second embolization *** patients(8%)developed intracranial bleeding post procedure,with one death(2%).One patient(2%)experienced a seizure during the procedure;however,no intracranial bleeding was *** patients(15%)experienced perforations during catheter *** case(2%)of fractured catheter was recorded,but no significant complications were *** average volume of copolymer injected was 0.6 ml per *** procedures used the Squid-12 formulation,29 procedures used the Squid-18 formulation,and 3 procedures used a combination of Squid-12 and-18 ***:Squid is a safe and effective embolic agent for treating BAVMs.

关键词： Brain arteriovenous malformation Embolization Ethylene vinyl alcohol copolymer SQUID

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MatSciBERT:A materials domain language model for text mining and information extraction

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npj Computational Materials 2022年第1期8卷 940-950页

作者： Tanishq Gupta Mohd zaki N.M.Anoop Krishnan Mausam Department of Mathematics Indian Institute of Technology DelhiHauz KhasNew Delhi110016India Department of Civil Engineering Indian Institute of Technology DelhiHauz KhasNew Delhi110016India School of Artificial Intelligence Indian Institute of Technology DelhiHauz KhasNew Delhi110016India Department of Computer Science and Engineering Indian Institute of Technology DelhiHauz KhasNew Delhi110016India

A large amount of materials science knowledge is generated and stored as text published in peer-reviewed scientific *** recent developments in natural language processing,such as Bidirectional Encoder Representations from Transformers(BERT)models,provide promising information extraction tools,these models may yield suboptimal results when applied on materials domain since they are not trained in materials science specific notations and ***,we present a materials-aware language model,namely,MatSciBERT,trained on a large corpus of peer-reviewed materials science *** show that MatSciBERT outperforms SciBERT,a language model trained on science corpus,and establish state-of-the-art results on three downstream tasks,named entity recognition,relation classification,and abstract *** make the pre-trained weights of MatSciBERT publicly accessible for accelerated materials discovery and information extraction from materials science texts.

关键词： such text weights

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VeriFace:Defending against Adversarial Attacks in Face Verification Systems

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Computers, Materials & Continua 2023年第9期76卷 3151-3166页

作者： Awny Sayed Sohair Kinlany Alaa zaki Ahmed Mahfouz Information Technology Department Faculty of Computing and Information TechnologyKing Abdulaziz UniversityJeddahSaudi Arabia Computer Science Department Faculty of ScienceMinia UniversityAl MinyaEgypt Faculty of Computer Studies Arab Open UniversityMuscatOman

Face verification systems are critical in a wide range of applications,such as security systems and biometric ***,these systems are vulnerable to adversarial attacks,which can significantly compromise their accuracy and *** attacks are designed to deceive the face verification system by adding subtle perturbations to the input *** perturbations can be imperceptible to the human eye but can cause the systemtomisclassifyor fail torecognize thepersoninthe *** this issue,weproposeanovel system called VeriFace that comprises two defense mechanisms,adversarial detection,and adversarial *** first mechanism,adversarial detection,is designed to identify whether an input image has been subjected to adversarial *** second mechanism,adversarial removal,is designed to remove these perturbations from the input image to ensure the face verification system can accurately recognize the person in the *** evaluate the effectiveness of the VeriFace system,we conducted experiments on different types of adversarial attacks using the Labelled Faces in the Wild(LFW)*** results show that the VeriFace adversarial detector can accurately identify adversarial imageswith a high detection accuracy of 100%.Additionally,our proposedVeriFace adversarial removalmethod has a significantly lower attack success rate of 6.5%compared to state-of-the-art removalmethods.

关键词： Adversarial attacks face aerification adversarial detection perturbation removal

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Course Evaluation Based on Deep Learning and SSA Hyperparameters Optimization

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Computers, Materials & Continua 2022年第4期71卷 941-959页

作者： Alaa A.El-Demerdash Sherif E.Hussein John FW zaki Department of Computer and Systems Faculty of EngineeringMansoura UniversityMansoura35516Egypt

Sentiment analysis attracts the attention of Egyptian Decisionmakers in the education *** offers a viable method to assess education quality services based on the students’feedback as well as that provides an understanding of their *** machine learning techniques offer automated strategies to process big data derived from social media and other digital channels,this research uses a dataset for tweets’sentiments to assess a few machine learning *** dataset preprocessing to remove symbols,necessary stemming and lemmatization is performed for features *** is followed by several machine learning techniques and a proposed Long Short-Term Memory(LSTM)classifier optimized by the Salp Swarm Algorithm(SSA)and measured the corresponding ***,the validity and accuracy of commonly used classifiers,such as Support Vector Machine,Logistic Regression Classifier,and Naive Bayes classifier,were ***,LSTM based on the SSA classification model was compared with Support Vector Machine(SVM),Logistic Regression(LR),and Naive Bayes(NB).Finally,as LSTM based SSA achieved the highest accuracy,it was applied to predict the sentiments of students’feedback and evaluate their association with the course outcome evaluations for education quality purposes.

关键词： Sentiment analysis course evaluation deep learning Bi-LSTM opinion mining students feedback natural language processing machine learning tweets analysis SSA

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Effect of Patient-Specific Aorta Wall Properties on Hemodynamic Parameters

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Fluid Dynamics & Materials Processing 2021年第1期17卷 171-179页

作者： Mohamad Shukri Zakaria Haslina Abdullah Azmi Nordin Syazwati ahmad zaki Fakulti Kejuruteraan Mekanikal Universiti Teknikal Malaysia MelakaHang Tuah Jaya76100Malaysia Faculty of Mechanical&Manufacturing Engineering Universiti Tun Hussein OnnParit Raja86400Malaysia

This study deals with the interaction of blood flow with the wall aorta,i.e.,the boundary of the main artery that transports blood in the human *** problem is addressed in the framework of computational fluid dynamics complemented with(FSI),i.e.,a fluid-structure interaction *** fundamental types of wall are considered,namely a flexible and a rigid *** resulting hemodynamic flows are carefully compared in order to determine which boundary condition is more effective in reproducing *** attention is paid to wall shear stress(WSS),a factor known for its ability to produce atherosclerosis and *** flow conditions are *** result show that the flexible wall can produce higher WSS and pressure drop compared to the rigid aorta case.

关键词： Aorta CFD wall shear stress FS

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Effect of Hole Configuration on Heat Transfer through a Hollow Block Subjected to Solar Flux

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Fluid Dynamics & Materials Processing 2022年第5期18卷 1339-1348页

作者： Mourad Najjaoui Thami Ait-Taleb Abdelhalim Abdelbaki zaki Zrikem Hassan Chaib Polydiscilinary Faculty of Ouarzazate Ibn Zohr UniversityOuarzazate638Morocco Faculty of Sciences Semlalia Cadi Ayyad UniversityMarrakesh2390Morocco

In this paper,some effort is provided to optimize the geometry of a concrete hollow brick(used in the construction of building roofs)in order to increase the related thermal resistance,thereby reducing energy *** analysis is conducted for three different configurations of the hollow concrete *** of conduction,natural convection and thermal radiation phenomena is ***,the flows are assumed to be laminar and two-dimensional for the whole range of parameters *** conservation equations are solved by a finite difference method based on the control volumes approach and the SIMPLE algorithm for velocity-pressure *** results show that the aspect ratio affects neither the nature of the fluid flow nor the number of convective ***,the extension of the circulation cells increases with this ***,the cavities with a large aspect ratio lead to significant reductions in the heat transfer through the hollow block,these reductions reaching approximately 14%.

关键词： Heat transfers coupled hollow block solar flux aspect ratio control volumes

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An Optimal DF Based Method for Transient Stability Analysis

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Computers, Materials & Continua 2022年第2期70卷 3449-3471页

作者： Z.A.zaki Emad M.Ahmed Ziad M.Ali Imran Khan Department of Electrical Engineering College of EngineeringJouf UniversitySakaka2014Al-JoufSaudi Arabia Electrical Engineering Department College of EngineeringPrince Sattam bin Abdulaziz UniversityWadi Addawaser11991Saudi Arabia Electrical Engineering Department Aswan Faculty of EngineeringAswan UniversityAswan81542Egypt Department of Electrical Engineering University of Engineering and Technology PeshawarPakistan

The effect of energy on the natural environment has become increasingly severe as human consumption of fossil energy has *** capacity of the synchronous generators to keep working without losing synchronization when the system is exposed to severe faults such as short circuits is referred to as the power system’s transient *** the power system’s safe and stable operation and mechanism of action become more complicated,higher demands for accurate and rapid power system transient stability analysis are *** methods for analyzing transient stability are less accurate because they do not account formisclassification of unstable *** a result,this paper proposes a novel approach for analyzing transient *** key concept is to use deep forest(DF)and a neighborhood rough reduction approach *** the neighborhood rough sets,the original feature space is obtained by creating many optimal feature subsets at various granularity ***,by deploying the DF cascade structure,the mapping connection between the transient stability state and the features is *** weighted voting technique is used in the learning process to increase the classification accuracy of unstable *** contrasted to current methods,simulation results indicate that the proposed approach outperforms them.

关键词： Transient stability analysis power system cascade structure optimal power flow

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Coupled Conductive-Convective-Radiative Heat Transfer in Hollow Blocks with Two Air Cells in the Vertical Direction Subjected to an Incident Solar Flux

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Fluid Dynamics & Materials Processing 2022年第5期18卷 1399-1407页

作者： Mourad Najjaoui Thami Ait-taleb Abdelhalim Abdelbaki zaki Zrikem Hassan Chaib Polydiscilinary Faculty of Ouarzazate Ibn Zohr UniversityOuarzazateMorocco Faculty of Sciences Semlalia Cadi Ayyad UniversityMarrakeshMorocco

This work presents the results of a set of steady-state numerical simulations about heat transfer in hollow blocks in the presence of coupled natural convection,conduction and *** with two air cells deep in the vertical direction and three identical cavities in the horizontal direction are considered(typically used for building ceilings).Moreover,their outside horizontal surface is subjected to an incident solar flux and outdoor environment temperature while the inside surface is exposed to typical indoor environment *** flows are considered laminar and two-dimensional over the whole range of parameters *** conservation equations are solved by means of a finite difference method based on the control volumes approach,relying on the SIMPLE algorithm for what concerns the coupling of pressure and *** effects of the number of cells in the horizontal direction and the thermal conductivity on the heat transfer through the alveolar structure have been *** results show that the number of holes has a significant impact on the value of the overall heat flux through the considered structure.

关键词： Numerical simulation heat transfer coupled hollow concrete block control volumes approach

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Spinal genesis of Mayer waves

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Neural Regeneration Research 2020年第10期15卷 1821-1830页

作者： George zaki Ghali Michael George zaki Ghali Emil zaki Ghali United States Environmental Protection Agency ArlingtonVAUSA Department of Toxicology Purdue UniversityWest LafayetteINUSA Department of Neurological Surgery Houston Methodist HospitalHoustonTXUSA Department of Neurobiology and Anatomy Drexel University College of MedicinePhiladelphiaPAUSA Department of Medicine Inova Alexandria HospitalAlexandriaVAUSA Department of Cardiothoracic Surgery El Gomhoureya General HospitalAlexandriaEgypt

Variability in cardiovascular spectra was first described by Stephan Hales in *** and Hering initially noted respirophasic variation of the arterial pressure waveform in 1865 and Sigmund Mayer noted a lower frequency oscillation of the same in anesthetized rabbits in *** low frequency oscillations were noted by Barcroft and Nisimaru in 1932,likely representing vasogenic *** the origins of Traube Hering and very low frequency oscillatory variability in cardiovascular spectra are well described,genesis mechanisms and functional significance of Mayer waves remain in *** theories have posited baroreflex and central supraspinal mechanisms for genesis of Mayer *** studies have demonstrated the persistence of Mayer waves following high cervical transection,indicating a spinal capacity for genesis of these *** suggest a general tendency for central sympathetic neurons to oscillate at the Mayer wave frequency,the presence of multiple Mayer wave oscillators throughout the brainstem and spinal cord,and possible contemporaneous genesis by baroreflex and vasomotor mechanisms.

关键词： Mayer waves genesis origins central sympathogenesis spinal cord cervical transection

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