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| 1 | Delorme's operation plus sphincteroplasty for complete rectal prolapse associated with traumatic fecal incontinence显示文摘Rectal prolapse associated with traumatic fecal incontinence is a rare clinical combination. This study was designed to assess Delorme's operation with sphincteroplasty as a surgical management of this combination in terms of recurrence and improvement of fecal incontinence. In this prospective study, we enrolled patients suffering from short, full-thickness rectal prolapse associated with traumatic fecal incontinence who had been admitted to Alexandria Main University Hospital during the period of May 2010-January 2013. Preoperative data including cause of trauma, duration of symptoms, results of anal manometry, and degree of fecal incontinence using Wexner score were collected from all patients. Delorme's procedure with overlap sphincteroplasty was done in all patients. Recurrence of prolapse and improvement of fecal incontinence were assessed after 1,3, 6 and 12 months. The study included 13 patients aged(32 ±8.7) years, 9 females and 4 males. Cause of sphincteric injury included previous anal surgery in 7 patients and normal labor in 6 patients. Duration between sphincteric injury and operation was(8.08 土 2.47) months. Preoperative Wexner's mean score was 16.07 ±3.4. Early postoperative com?plications included superficial wound infection(69.2%), minor wound dehiscence(61.5%), and postoperative bleeding(7.6%). Recurrence was detected in 1 patient at 6 month follow-up. Wexner's score showed significant improvement for all patients after 6 months(4.00 + 2.04). In conclusion, combination of Delorme's procedure and sphincteroplasty for treatment of patients with short complete rectal prolapse associated with traumatic fecal incontinence is a safe, effective surgical management with satisfactory results regarding anatomical and functional outcomes. | Mohamed M.Osman Walid M.Abd El Maksoud Yosry S.Gaweesh | 2015 | The Journal of Biomedical Research2015，29，4： | 4 |
| 2 | Soil–vegetation relationships in a coastal desert plain of southern Sinai, Egypt显示文摘 | Monier M.Abd El-Ghani Wafaa M Amer | 2003 | Journal of Arid Environments2003，，4： | 1 |
| 3 | Ni含量对提高Zn-Ni合金在3.5%NaCl溶液中耐腐蚀性能的影响(I):极化和阻抗研究(英文)显示文摘Zn在保护钢铁材料不被海水腐蚀方面发挥重要作用。Zn和Ni的合金化能改善它的耐腐蚀性能。通过Tafel曲线和电化学阻抗谱(EIS)研究Zn-Ni合金在合成海水(3.5%NaCl,质量分数)中的腐蚀行为,并比较不同Ni含量(0.5%~10%,质量分数)合金和纯Zn的耐腐蚀性能。结果表明:Zn-Ni合金的耐腐蚀性能优于纯Zn,只有Ni含量为0.5%的合金除外。Ni含量为10%的合金具有最好的耐腐蚀性能,这是由于在合金中形成了γ-Zn3Ni和γ-Zn Ni相。但Ni含量为0.5%的合金比纯Zn具有更高的腐蚀速率(更差的耐腐蚀性能)。 | Hany M.ABD EL-LATEEF Abdel-Rahman EL-SAYED Hossnia S.MOHRAN | 2015 | Transactions of Nonferrous Metals Society of China2015，25，8： | 1 |
| 4 | Embedded Coded Relay System for Molecular Communications显示文摘With the emergence of the COVID-19 pandemic,the World Health Organization(WHO)has urged scientists and industrialists to exploremodern information and communication technology(ICT)as a means to reduce or even eliminate it.The World Health Organization recently reported that the virus may infect the organism through any organ in the living body,such as the respiratory,the immunity,the nervous,the digestive,or the cardiovascular system.Targeting the abovementioned goal,we envision an implanted nanosystem embedded in the intra living-body network.The main function of the nanosystem is either to perform diagnosis and mitigation of infectious diseases or to implement a targeted drug delivery system(i.e.,delivery of the therapeutic drug to the diseased tissue or targeted cell).The communication among the nanomachines is accomplished via communication-based molecular diffusion.The control/interconnection of the nanosystem is accomplished through the utilization of Internet of bio-nano things(IoBNT).The proposed nanosystem is designed to employ a coded relay nanomachine disciplined by the decode and forward(DF)principle to ensure reliable drug delivery to the targeted cell.Notably,both the sensitivity of the drug dose and the phenomenon of drug molecules loss before delivery to the target cell site in long-distance due to the molecules diffusion process are taken into account.In this paper,a coded relay NM with conventional coding techniques such as RS and Turbo codes is selected to achieve minimum bit error rate(BER)performance and high signal-to-noise ratio(SNR),while the detection process is based on maximum likelihood(ML)probability and minimum error probability(MEP).The performance analysis of the proposed scheme is evaluated in terms of channel capacity and bit error rate by varying system parameters such as relay position,number of released molecules,relay and receiver size.Analysis results are validated through simulation and demonstrate that the proposed scheme can significantly improve delivery performance of the desirable drugs in the molecular communication system. | Eman S.Attia Ashraf A.M.Khalaf Fathi E.Abd El-Samie Saied M.Abd El-atty Konstantinos A.Lizos Osama Alfarraj Farid Shawki Imran Khan Ki-Il Kim | 2022 | Computers, Materials & Continua2022，，8： | 1 |
| 5 | Assessment of coal gasification in a pressurized fixed bed gasifier using an ASPEN plus and Euler–Euler model显示文摘With the help of Aspen Plus,a two-dimensional unsteady CFD model is developed to simulate the coal gasification process in a fixed bed gasifier.A developed and validated two dimensional CFD model for coal gasification has been used to predict and assess the viability of the syngas generation from coal gasification employing the updraft fixed bed gasifier.The process rate model and the sub-model of gas generation are determined.The particle size variation and char burning during gasification are also taken into account.In order to verify the model and increase the understanding of gasification characteristics,a set of experiments and numerical comparisons have been carried out.The simulated results in the bed are used to predict the composition of syngas and the conversion of carbon.The model proposed in this paper is a promising tool for simulating the coal gasification process in a fixed bed gasifier. | Tamer M.Ismail Mingliang Shi Jianliang Xu Xueli Chen Fuchen Wang M.Abd El-Salam | 2020 | International Journal of Coal Science & Technology2020，7，3： | 1 |
| 6 | Evaluation of the hepatoprotective and antioxidant effects of Tegillarca granosa flesh body extract against potassium bromide toxicity via targeting the histomorphometry,chromosomal and expressions of TGF-β1,VEGF and COX-2 genes in rats显示文摘The hepatotoxic effect of potassium bromide(KBr)on rat liver tissues were determined,as well as the potential protective effect of Tegillaraca granosa(T.granosa)flesh body extract.Twenty adult male albino rats were equally distributed into four groups;Group(I)treated with physiological saline(control group),Group(II)was orally gavaged by 200 mg/kg of T.granosa body extract day after day,Group(III)was intoxicated by KBr(150 mg/kg bwt day after day orally)and finally,Group(IV)was given a combination of T.granosa flesh body extract plus KBr with similar doses in the second and third groups.At the end of one month,blood,liver tissue and bone marrow samples were collected to be used for the required laboratory examinations.In response to KBr toxicity,there was a significant increase in serum antioxidant biomarkers,which was accompanied by a significant change in hepatocyte ultrastructure and a significant change in carbohydrate and protein levels within the liver organ.In addition,KBr intoxication resulted in a substantial increase in the incidence of chromosomal aberrations such as holes,splits,deletions,fragments,ploidy,and ring chromosomes,as well as significant upregulation of TGF-1,VEGF,and COX-2 gene expression.The hepatotoxic effect of KBr was counteracted by treatment with T.granosa flesh body extract.T.granosa flesh body extract has a curative antioxidant and numerous protective effects against KBr hepatotoxicity. | ALI H.ABU ALMAATY BASMA M.HENDAM FAYEZ ALTHOBAITI EMAN FAYAD YASMIN M.ABD EL-AZIZ | 2022 | BIOCELL2022，46，1： | 1 |
| 7 | Multicomponent synthesis and designing of tetrasubstituted imidazole compounds catalyzed via ionic-liquid for acid steel corrosion protection:Experimental exploration and theoretical calculations显示文摘Five new tetrasubstituted imidazoles were designed with outstanding yields(83%-92%) in the occurrence of ionic liquid-based-pyridinium as a catalyst. The constructions of all synthesized derivatives were established by spectral tools and their purities were verified using thin-layer chromatography(TLC), displaying single-spot. The performance of corrosion protection of the prepared imidazole derivatives was examined theoretically and practically for acid steel corrosion. The experimental study was conducted by electrochemical(electrochemical impedance spectroscopy(EIS) and Tafel polarization(PPS)) tools.The findings from the used approaches concluded that the synthesized compounds were wellorganized inhibitors with an efficiency of 90.7%-98.5% at 50℃ and 0.7 mmol·L^(-1). The Tafel polarization results indicate the protective action of the additives was under mixed-monitoring. The additive adsorption on the electrode interface performed as a distinguished aspect for protection. The surface exploration on the blank and protected metal was completed by field emission scanning electron microscopy(FESEM). Computational studies by Monte Carlo(MC) simulation and quantum chemical calculation(DFT)were related to practical findings. The corrosion protection adsorption mechanism was reinforced by the preferable fitted Langmuir isotherm model. All findings from the applied-inspected approaches alternately confirm each other. | Hany M.Abd El-Lateef Mai M.Khalaf K.Shalabi Antar A.Abdelhamid | 2023 | Chinese Journal of Chemical Engineering2023，55，3： | 0 |
| 8 | Influence of Recycling Waste Glass as Fine Aggregate on the Concrete Properties显示文摘Recent years have witnessed an increase in the quantity of waste glass(WG)across the globe.Replacing the fine aggregate with WG is one of the steps toward preserving the natural resources of the environment and creating low-cost concrete.The present study is concerned with replacing fine aggregates with glass powder(GP)at(0%,15%,30%,and 50%).It has studied the fresh and hardened properties(compressive strength,tensile strength,hardened density,and slump)for all the mentioned percent replacements.The findings have shown that all mixtures containing GP gave acceptable slump results within the design limits(2–5 cm)according to ACI standard 211.1.It has been observed that increasing the proportion of GP led to a decrease in the weight of concrete.Lastly,replacing GP with sand by 30%has led to an increase in the compressive strength by about 2.4%and 12.45%,and the tensile strength by about 2.5%and 26.54%at 7-and 28-d,respectively in comparison to normal concrete. | Rafal A.Hadi Suhad M.Abd Hadee Mohammed Najm Shaker Qaidi Moutaz Mustafa A.Eldirderi Khaled Mohamed Khedher | 2023 | Journal of Renewable Materials2023，11，6： | 0 |
| 9 | New Polymer Syntheses Part 60: A Facile Synthetic Route to Polyamides Based on Thieno[2,3-b]thiophene and Their Corrosion Inhibition Behavior显示文摘Polyamides containing thieno[2,3-b]thiophene moiety were prepared via a simple polycondensation reaction of the diaminothieno[2,3-b]thiophene monomer 1 a with different kinds of diacid chlorides(including oxalyl, adipoyl, sebacoyl, isophthaloyl,terephthaloyl, 4,4′-azodibenzoyl, 3,3′-azodibenzoyl, p-phenylene diacryloyl) in the presence of Li Cl and NMP as a solvent through lowtemperature solution polycondensation. The chemical structures of model compound and synthesized polyamides were confirmed by FTIR, nuclear magnetic resonance spectroscopy(including ~1H-NMR and ^(13)C-NMR) and elemental analysis. In addition, the thermal stability, crystallinity structure and surface morphology of synthesized polyamides were characterized via thermogravametric analysis(TGA), wide-angle X-ray diffraction analysis(WAXD) and scanning electron microscopy(SEM). Also, the corrosion inhibition behavior of selected examples of polyamides was investigated; the inhibitive effect of the investigated polymers for carbon steel in 1.0 mol·L^(-1) HCl was studied using potentiodynamic polarization(PDP) and electrochemical impedance spectroscopy(EIS) methods. PDP results displayed that the polyamides containing thieno[2,3-b]thiophene moiety can be as mixed-type inhibitors. The inhibition efficiency(P, %) was found to be in the range from 67.13% to 96.01%. There is an increase in P by the synthesized polymers in comparison to the starting monomer.The adsorption of these polymers was found to obey Langmuir adsorption isotherm. | Kamal I.Aly Amr H.Moustafa Essam K.Ahmed Hany M.Abd El-lateef Mohamed Gamal Mohamed Sahar M.Mohamed | 2018 | Chinese Journal of Polymer Science2018，36，7： | 0 |
| 10 | Mesenchymal stem cells are more effective than captopril in reverting cisplatin-induced nephropathy显示文摘Cisplatin is a powerful anticancer drug but its nephrotoxic effects limit its clinical use.We aimed to evaluate the effect of mesenchymal stem cells(MSCs)injection or of captopril to counteract the cisplatin-induction of nephropathy.MSCs isolation,preparation and tracking,transforming growth factor-β(TGF-β)and interleukin-10(IL-10)expressions,kidney function tests,oxidative stress state,and histological examinations were done.Cisplatin-induced nephropathy was indicated biochemically and confirmed histopathologically.MSCs treatment showed normal kidney architecture and significantly decreased oxidative stress and TGF-β while increased IL-10 and improved kidney function tests.Rats treated with cisplatin+captopril showed noticeable kidney histopathological changes.Superior positive impact of MSCs in amelioration of cisplatin-induced nephropathy via their ability to motivate functional and structural renal repair is evidenced. | ENTSAR A.SAAD REDA S.EL-DEMERDASH EMAN M.ABD EI-FATTAH | 2019 | BIOCELL2019，43，2： | 0 |
| 11 | The potency of N,N′-diphenyl-1,4-phenylenediamine and adiposederived stem cell co-administration in alleviating hepatorenal dysfunction complications associated with type 1 diabetes mellitus in rats显示文摘Background:The increasing occurrence of diabetes mellitus(DM)noted worldwide has considerably elicited concern in the recent past.DM is associated with elevated vascular complications,morbidity,mortality,and poor quality of life.In this context,mesenchymal stem cells(MSCs)have shown significant therapeutic potentialities in managing and curing type 1 DM owing to their self-renewable,immunosuppressive,and differentiation capacities.We investigated the potential action of N,N′-diphenyl-1,4-phenylenediamine(DPPD),a well-known synthetic antioxidant to enhance the therapeutic ability of the adipose-derived stem cells(AD-MSCs)in alleviating kidney and liver complications in diabetic rats.Methods:Over the four weeks of experiments,albino male rats(n=36)were split into six test groups:control,DPPD(250 mg/kg,i.p.),STZ-diabetic(D),D+DPPD,D+AD-MSCs(1×10^(6)cell/rat,i.v.),and D+AD-MSCs+DPPD treated groups.Results:Significant declines in the renal and hepatic oxidative stress markers(MDA,ROS,and AGEs)were observed coupled with a significant elevation in many antioxidant marker levels(GSH,SOD,CAT,GPx,HO-1,and TAC)in the diabetic rats treated with either DPPD or AD-MSCs or their co-administered injection compared to the diabetic untreated rats.This was suggested to be the leading cause of amelioration of the kidney functions(as measured by urea,uric acid,and creatine levels)and liver functions(as evidenced by the levels of AST,ALT,ALP,bilirubin,total proteins,albumin,and globulins).Conclusion:DPPD and AD-MSCs co-administration showed superior results in terms of the enhancement of the relative hepato-renal function,indicating the beneficial role of DPPD supplementation in increasing the therapeutic potential of AD-MSCs. | HANY M.ABD EL-LATEEF SAFA H.QAHL EMAN FAYAD SARAH A.ALTALHI IBRAHIM JAFRI EL SHAIMAA SHABANA MARWA K.DARWISH REHAB MAHER SAAD SHAABAN SHADY G.EL-SAWAH | 2023 | BIOCELL2023，47，8： | 0 |
| 12 | Performance Analysis of an Artificial Intelligence Nanosystem with Biological Internet of Nano Things显示文摘Artificial intelligence(AI)has recently been used in nanomedical applications,in which implanted intelligent nanosystems inside the human body were used to diagnose and treat a variety of ailments with the help of the Internet of biological Nano Things(IoBNT).Biological circuit engineering or nanomaterial-based architectures can be used to approach the nanosystem.In nanomedical applications,the blood vascular medium serves as a communication channel,demonstrating a molecular communication system based on flow and diffusion.This paper presents a performance study of the channel capacity for flow-based-diffusive molecular communication nanosystems that takes into account the ligand-receptor binding mechanism.Unlike earlier studies,we take into account the effects of biological physical characteristics such as blood pressure,blood viscosity,and vascular diameter on channel capacity.Furthermore,in terms of drug transmission error probability,the inter-symbol interference(ISI)phenomenon is applied to the proposed system.The numerical results show that the proposed AI nanosystems-based IoBNT technology can be successfully implemented in future nanomedicine. | Saied M.Abd El-atty Nancy A.Arafa Atef Abouelazm Osama Alfarraj Konstantinos A.Lizos Farid Shawki | 2022 | Computer Modeling in Engineering & Sciences2022，，10： | 0 |
| 13 | An Efficient Indoor Localization Based on Deep Attention Learning Model显示文摘Indoor localization methods can help many sectors,such as healthcare centers,smart homes,museums,warehouses,and retail malls,improve their service areas.As a result,it is crucial to look for low-cost methods that can provide exact localization in indoor locations.In this context,imagebased localization methods can play an important role in estimating both the position and the orientation of cameras regarding an object.Image-based localization faces many issues,such as image scale and rotation variance.Also,image-based localization’s accuracy and speed(latency)are two critical factors.This paper proposes an efficient 6-DoF deep-learning model for image-based localization.This model incorporates the channel attention module and the Scale PyramidModule(SPM).It not only enhances accuracy but also ensures the model’s real-time performance.In complex scenes,a channel attention module is employed to distinguish between the textures of the foregrounds and backgrounds.Our model adapted an SPM,a feature pyramid module for dealing with image scale and rotation variance issues.Furthermore,the proposed model employs two regressions(two fully connected layers),one for position and the other for orientation,which increases outcome accuracy.Experiments on standard indoor and outdoor datasets show that the proposed model has a significantly lower Mean Squared Error(MSE)for both position and orientation.On the indoor 7-Scenes dataset,the MSE for the position is reduced to 0.19 m and 6.25°for the orientation.Furthermore,on the outdoor Cambridge landmarks dataset,the MSE for the position is reduced to 0.63 m and 2.03°for the orientation.According to the findings,the proposed approach is superior and more successful than the baseline methods. | Amr Abozeid Ahmed I.Taloba Rasha M.Abd El-Aziz Alhanoof Faiz Alwaghid Mostafa Salem Ahmed Elhadad | 2023 | Computer Systems Science & Engineering2023，46，8： | 0 |
| 14 | Effects of Moringa oleifera aqueous extract on the growth performance,blood characteristics,and histological features of gills and livers in Nile tilapia显示文摘Moringa oleifera is well known as a highly nutritious plant and a water purifier in fish culture.Tilapia fish has many impressive qualities making them very suitable for aquaculture.Therefore,this study aimed to evaluate the effect of supplementation of Moringa oleifera aqueous extract(MOAE)at varying concentrations(0,100,200,and 400 mg/kg diet for 90 days)on growth performance,hematological,and some biochemical parameters of Nile tilapia.Additionally,histological changes and immunohistochemical expression of caspase 3 in gills and livers were evaluated.Significant enhancements(P<0.05)in the final weight,weight gain,specific growth rate,red blood cells,hemoglobin,packed cell volume,white blood cells,and total serum protein were observed in fish fed 200 mg MOAE/kg diet compared with other groups.However,a significant reduction(P<0.05)of liver and kidney function tests and non-significant changes in lipid profile were recorded.On the other hand,fish fed 400 mg MOAE/kg diet revealed disturbance in the corresponding parameters.Severe histological degenerative changes were detected in the gills and liver of fish fed 400 mg MOAE/kg diet.In comparison,fish fed 200 mg MOAE/kg diet showed the best histo-architectures of these organs compared with other groups.Concomitant immune expressions of caspase 3 were determined where gills and liver of fish fed 400 mg MOAE/kg diet revealed extensive number of positive caspase 3 cells indicating severe apoptotic features.Accordingly,a dietary MOAE at 200 mg/kg diet is recommended to improve the growth performance,hematological parameters,liver and kidney functions in Nile tilapia.Meanwhile,caution must be considered when using MOAE at a concentration over 200 mg/kg diet. | Mahamoud A.Emam Ramy M.Shourbela Waleed N.El-Hawarry Seham Y.Abo-Kora Fatma Abdel-Monem Gad Ashraf M.Abd El-latif Mahmoud A.O.Dawood | 2024 | Aquaculture and Fisheries2024，9，1： | 0 |
| 15 | Ni合金化对Zn在3.5% NaCl溶液中阳极溶解行为的影响(Ⅱ):动电位、恒电位和恒电流研究(英文)显示文摘Zn是钢防腐常用的金属。进一步添加其他元素,如Ni,可以降低其腐蚀速率,保持其牺牲性保护作用。采用动电位、恒电位和恒电流技术研究Zn、Ni和不同Ni含量(0.5%~10%)的Zn-Ni合金在3.5%Na Cl溶液中的阳极溶解行为。利用EDX和SEM对Zn,Ni和Zn-Ni合金腐蚀层的成分和显微组织进行表征。恒电位曲线表明,所有研究电极的阳极行为都呈现活化/钝化转变,而且除99.5Zn-0.5Ni合金外,随着Ni含量的增加,合金的钝化趋势减弱。而动电位曲线表明,只有Zn表现出活化/钝化转变。表面分析表明,腐蚀产物主要为氧化物、氯化物和氢氧氯化物。与Zn相比,90Zn-10Ni合金中可观察到细微的裂纹。 | Hany M.ABD EL-LATEEF Abdel-Rahman EL-SAYED Hossnia S.MOHRAN | 2015 | Transactions of Nonferrous Metals Society of China2015，25，9： | 0 |
| 16 | Optimization of Cooperative RelayingMolecular Communications for Nanomedical Applications显示文摘Recently,nano-systems based on molecular communications via diffusion(MCvD)have been implemented in a variety of nanomedical applications,most notably in targeted drug delivery system(TDDS)scenarios.Furthermore,because the MCvD is unreliable and there exists molecular noise and inter symbol interference(ISI),cooperative nano-relays can acquire the reliability for drug delivery to targeted diseased cells,especially if the separation distance between the nano transmitter and nano receiver is increased.In this work,we propose an approach for optimizing the performance of the nano system using cooperative molecular communications with a nano relay scheme,while accounting for blood flow effects in terms of drift velocity.The fractions of the molecular drug that should be allocated to the nano transmitter and nano relay positioning are computed using a collaborative optimization problem solved by theModified Central Force Optimization(MCFO)algorithm.Unlike the previous work,the probability of bit error is expressed in a closed-form expression.It is used as an objective function to determine the optimal velocity of the drug molecules and the detection threshold at the nano receiver.The simulation results show that the probability of bit error can be dramatically reduced by optimizing the drift velocity,detection threshold,location of the nano-relay in the proposed nano system,and molecular drug budget. | Eman S.Attia Ashraf A.M.Khalaf Fathi E.Abd El-Samie Saied M.Abd El-atty Konstantinos A.Lizos Osama Alfarraj Heba M.El-Hoseny | 2024 | Computer Modeling in Engineering & Sciences2024，138，2： | 0 |
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