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| 1 | Pharmaceuticals and personal care products (PPCPs) in the freshwater aquatic environment显示文摘Pharmaceuticals and personal care products(PPCPs)are a unique group of emerging environmental contaminants,due to their inherent ability to induce physiological effects in human at low doses.An increasing number of studies has confirmed the presence of various PPCPs in different environmental compartments,which raises concerns about the potential adverse effects to humans and wildlife.Therefore,this article reviews the current state-of-knowledge on PPCPs in the freshwater aquatic environment.The environmental risk posed by these contaminants is evaluated in light of the persistence,bioaccumulation and toxicity criteria.Available literature on the sources,transport and degradation of PPCPs in the aquatic environment are evaluated,followed by a comprehensive review of the reported concentrations of different PPCP groups in the freshwater aquatic environment(water,sediment and biota)of the five continents.Finally,future perspectives for research on PPCPs in the freshwater aquatic environment are discussed in light of the identified research gaps in current knowledge. | Anekwe Jennifer Ebele Mohamed Abou-Elwafa Abdallah Stuart Harrad | 2017 | Emerging Contaminants2017，3，1： | 44 |
| 2 | Pathological,immunohistochemical and microbiologicalal analysis of lacrimal sac biopsies in patients with chronic dacrocystitis显示文摘AIM:To analyze cases of obstruction of the nasolacrimal duct which creates a fertile environment for secondary bacterial Infection and can result in dacryocystitis,which is a constant threat to cornea and orbital soft tissue and a potential source of endophthalmitis following intraocular surgery.The majority of obstructions of the lacrimal excretory outflow system are acquired ones occurring in adulthood and involving the distal parts of the system.Acquired obstruction may be primary/idiopathic or secondary to a wide variety of infectious,inflammatory,traumatic,mechanical,toxic or neoplastic causes mimicking idiopathic inflammation.These cases are treated by dacryocystorhinostomy(DCR).METHODS:The present study was conducted to determine the histopathologic,immunohistochemical and current microbiologic characteristics of lacrimal sac specimens in patients undergoing external dacryocystorhinostomy.RESULTS:Non-specific lacrimal sac pathology was present in all 33 cases and 81.8%of the cases showed moderate chronic inflammation with a chronic inflammatory score(CIS)ranging between 4 and 6,whereas 12.12%showed severe inflammatory changes with a CIS of 7.Mild degree of inflammation was seen in6.06%with a CIS of 3.The total prevalence of grampositive,gram-negative,and culture-negative samples were 59.4%,37.5%,and 3%respectively.CONCLUSION:Non-specific chronic inflammation withfibrosis is indeed the most commonly reported histopathological finding in lacrimal sac wall biopsy specimens. | Rowayda Mahmoud Amin Faten Aly Hussein Hisham Farouk Idriss Nesrine Fathy Hanafy Dina Mohamed Abdallah | 2013 | International Journal of Ophthalmology(English edition)2013，6，6： | 7 |
| 3 | Molecular detection of monocyte chemotactic protein-1 polymorphism in spontaneous bacterial peritonitis patients显示文摘AIM: To investigate the association of the functional monocyte chemotactic protein-1(MCP-1) promoter polymorphism(A-2518G) with spontaneous bacterial peritonitis(SBP).METHODS: Fifty patients with post-hepatitis C liver cirrhosis and ascites were categorized into two groups; group Ⅰ included 25 patients with SBP and group Ⅱ included 25 patients free from SBP. In addition, a group of 20 healthy volunteers were included. We assessed the MCP-1 gene polymorphism and gene expression as well as interleukin(IL)-10 levels in both blood and ascitic fluid. RESULTS: A significant MCP-1 gene polymorphism was detected in groups Ⅰ and Ⅱ(P = 0.001 and 0.02 respectively). Group Ⅰ was associated with a significantly higher frequency of AG genotype [control 8(40%) vs SBP 19(76.0%), P < 0.001], and group Ⅱ was associated with a significantly higher frequency of GG genotype when compared to healthy volunteers [control 1(5%) vs cirrhotic 16(64%), P < 0.001]. Accordingly, the frequency of G allele was significantly higher in both groups(Ⅰ and Ⅱ) [control 10(25%) vs SBP 27(54%), P < 0.001 and vs cirrhotic 37(74.0%), P < 0.001, respectively]. The total blood and ascetic fluid levels of IL-10 and MCP-1 gene expression were significantly higher in group Ⅰ than in group Ⅱ. Group Ⅰ showed significant reductions in the levels of MCP-1 gene expression and IL-10 in the whole blood and ascetic fluid after therapy. CONCLUSION: MCP-1 GG genotype and G allele may predispose HCV infected patients to a more progressive disease course, while AG genotype may increase the susceptibility to SBP. Patients carrying these genotypes should be under supervision to prevent or restrict further complications. | Maysa Kamal Salama Dina Sabry Mohamed AS Al-Ghussein Rasha Ahmed Sayed AbdAllah Fatma Mohamed Taha Wael Fathy Miriam Safwat Wadie Mona Nabih Amr Abul-Fotouh Tarneem Darwish | 2014 | World Journal of Gastroenterology2014，20，33： | 7 |
| 4 | DECAY ESTIMATES FOR ISENTROPIC COMPRESSIBLE MAGNETOHYDRODYNAMIC EQUATIONS IN BOUNDED DOMAIN显示文摘In this paper,under the hypothesis that is upper bounded,we construct a Lyapunov functional for the multidimensional isentropic compressible magnetohydrodynamic equations and show that the weak solutions decay exponentially to the equilibrium state in L2 norm.Our result verifies that the method of Daoyuan Fang,Ruizhao Zi and Ting Zhang [1] can be adapted to magnetohydrodynamic equations. | Mohamed Ahmed Abdallah 江飞 谭忠 | 2012 | Acta Mathematica Scientia2012，32，6： | 4 |
| 5 | Pancreatic Anastomotic Leakage after Pancreaticoduodenectomy. Risk factors, Clinical predictors, and Management (Single Center Experience)显示文摘 | Ayman El Nakeeb Tarek Salah Ahmad Sultan Mohamed El Hemaly Waleed Askr Helmy Ezzat Emad Hamdy Ehab Atef Ehab El Hanafy Ahmed El-Geidie Mohamed Abdel Wahab Talaat Abdallah | 2013 | World Journal of Surgery2013，，6： | 4 |
| 6 | Occurrence,seasonal variation and human exposure to pharmaceuticals and personal care products in surface water,groundwater and drinking water in Lagos State,Nigeria显示文摘The occurrence of 28 pharmaceuticals and personal care products(PPCPs)was investigated in 17 surface water samples(rivers,canals,and lagoons),12 groundwater samples(wells and boreholes,which can also be consumed for drinking)and 8 drinking water samples(bottles and sachets)during dry and rainy seasons in Lagos state,Nigeria.The most prevalent compound detected in all samples was amoxicillin(an antibiotic)at median concentrations of 1614,238 and 358 ng/L in surface water,ground water and drinking water,respectively.This is of concern due to potential impact on development of antibioticresistant microbial strains.Other frequently-detected compounds include acetaminophen,nicotine,ibuprofen,and codeine with detection frequencies of more than 70%.Investigation of seasonal variability revealed that glyburide,caffeine,naproxen and diclofenac concentrations were significantly(P<0.05)higher during the dry season(winter),while Nicotine and Codeine levels were higher during the rainy season(summer).The factors influencing such seasonal variability include:dilution by extensive rainfall,agricultural activity(for nicotine)and usage patterns of pharmaceuticals among the local community.Measured concentrations in drinking water samples were used to assess inadvertent human exposure to PPCPs in Nigerian adults.Results revealed average daily exposures of 81,14 and 3 ngƩPPCPs/kg BW/day via drinking borehole,sachet water and bottled water,respectively.While there exists no health-based limit value(HBLV)for chronic exposure to mixtures of PPCPs,our results raise concern and warrant further investigation of the potential health implications of such unintended PPCPs exposure. | Anekwe Jennifer Ebele Temilola Oluseyi Daniel S.Drage Stuart Harrad Mohamed Abou-Elwafa Abdallah | 2020 | Emerging Contaminants2020，6，1： | 4 |
| 7 | Impact of cirrhosis on surgical outcome after pancreaticoduodenectomy显示文摘AIM:To elucidate surgical outcomes of pancreaticoduodenectomy(PD)in patients with liver cirrhosis.METHODS:We studied retrospectively all patients who underwent PD in our centre between January 2002and December 2011.Group A comprised patients with cirrhotic livers,and Group B comprised patients with non-cirrhotic livers.The cirrhotic patients had ChildPugh classes A and B(patient’s score less than 8).Preoperative demographic data,intra-operative data and postoperative details were collected.The primary outcome measure was hospital mortality rate.Secondary outcomes analysed included duration of the operation,postoperative hospital stay,postoperative morbidity and survival rate.RESULTS:Only 67/442 patients(15.2%)had cirrhotic livers.Intraoperative blood loss and blood transfusion were significantly higher in group A(P=0.0001).The mean surgical time in group A was significantly longer than that in group B(P=0.0001).Wound complications(P=0.02),internal haemorrhage(P=0.05),pancreatic fistula(P=0.02)and hospital mortality(P=0.0001)were significantly higher in the cirrhotic patients.Postoperative stay was significantly longer in group A(P=0.03).The median survival was 19 mo in group A and 24 mo in group B.Portal hypertension(PHT)was present in 16/67 cases of cirrhosis(23.9%).The intraoperative blood loss and blood transfusion were significantly higher in patients with PHT(P=0.001).Postoperative morbidity(0.07)and hospital mortality(P=0.007)were higher in cirrhotic patients with PHT.CONCLUSION:Patients with periampullary tumours and well-compensated chronic liver disease should be routinely considered for PD at high volume centres with available expertise to manage liver cirrhosis.PD is associated with an increased risk of postoperative morbidity in patients with liver cirrhosis;therefore,it is only recommended in patients with Child A cirrhosis without portal hypertension. | Ayman El Nakeeb Ahmad M Sultan Tarek Salah Mohamed El Hemaly Emad Hamdy Ali Salem Ahmed Moneer Rami Said Ahmed AbuEleneen Mostafa Abu Zeid Talaat Abdallah Mohamed Abdel Wahab | 2013 | World Journal of Gastroenterology2013，19，41： | 3 |
| 8 | Solar thermochemical reactions Ⅱ:Synthesis of 2-aminothiophenes via Gewald reaction induced by solar thermal energy显示文摘Green conditions have been developed for the synthesis of substituted 2-aminothiophenes employing multicomponent reactions of a ketone with active methylene nitrile and elemental sulphur induced by free solar thermal energy. | Ramadan Ahmed Mekheimer Mohamed Abdallah Ameen Kamal Usef Sadek | 2008 | Chinese Chemical Letters2008，19，7： | 2 |
| 9 | Geochemical Stream Sediment Survey in the Wadi Umm Rilan Area,South Eastern Desert,Egypt:A New Occurrence for Gold Mineralization显示文摘The present paper investigates the stream sediment geochemistry,behavior of gold and associated elements,delineates Au-anomalous sites and defines related sources in the Wadi Umm Rilan area.Fifty three major and trace elements were analyzed using ICP-MS and treated applying various statistical and mapping techniques.The results showed a significant difference of mean and median Au and most chemical elements in the three portions of the area,and higher values were recorded in the western portion.Furthermore,Au-anomalous sites appeared in upper and lower parts of the Wadi Umm Rilan,along the tributaries of metavolcanic unit and near granitoid contacts.This indicates the main source of Au mineralization is related to emplacement of granitoid plutons and accompanying hydrothermal solutions.There are significant indications for the presence of more than one mineralization event forming a probable single major episode of mineralization in the area,involving Au,Pb and U mineralizations.Geology,geomorphologic aspects and weathering processes could control stream sediment geochemistry,anomalies of Au and associated elements,elemental association and their dispersion patterns.Therefore,the area is fruitful and regarded as a promising target for Au exploration,using Ag,As,Sb,Cd,Cs,and Tl as pathfinder elements. | Mohamed Abdallah Gad DARWISH | 2017 | Acta Geologica Sinica(English Edition)2017，91，3： | 2 |
| 10 | Human Amnion as a Temporary Biologic Barrier after Hysteroscopic Lysis of Severe Intrauterine Adhesions: Pilot Study显示文摘 | Mohamed I. Amer Karim H.I. Abd-El-Maeboud Ihab Abdelfatah Fekrya Ahmad Salama Al Said Abdallah | 2010 | The Journal of Minimally Invasive Gynecology2010，，5： | 2 |
| 11 | Hexabromocyclododecane and tetrabromobisphenol-A in indoor dust from France, Kazakhstan and Nigeria: Implications for human exposure显示文摘Concentrations of hexabromocyclododecane isomers(α-,β-and γ-HBCDs)and tetrabromobisphenol-A(TBBP-A)were measured-for the first time-in indoor dust from homes,offices and cars from France,Kazakhstan and Nigeria.∑HBCDs in French and Kazakhstani house dust(median=1351 and 280 ng g^-1,respectively)were consistent with previous reports from the UK and Romania,respectively.Concentrations of ∑HBCDs in Nigerian domestic dust(median=394 ng g^-1)were substantially higher than those reported from Egyptian homes.In general,concentrations of ∑HBCDs in the studied microenvironments were higher than those of TBBP-A,which may be attributed to the major application of TBBP-A as a reactive flame retardant;rendering its release to dust more difficult.Statistical analysis revealed significantly lower ∑HBCDs in French houses than those found in both offices and cars,while ∑HBCDs in cars from Kazakhstan were higher(P<0.05)than those in homes and offices.Moreover,TBBP-A concentrations in car dust from Nigeria were lower than those found in homes and offices.Exposure estimates revealed higher intake of HBCDs and TBBP-A by toddlers via indoor dust ingestion compared to adults.Combined with their low body weight,this can raise concerns over the potential adverse health effects of such high exposure in toddlers. | Mohamed Abou-Elwafa Abdallah Michael Bressi Temilola Oluseyi Stuart Harrad | 2016 | Emerging Contaminants2016，2，2： | 2 |
| 12 | Geochemical and Environmental Evaluation of Um Shashoba Gold Mine Area,Southeastern Desert,Egypt显示文摘元素( Ag Au Ba 双性人 Cd ,公司, Cr , Cu , Ga , Hf , Hg , Mn ,瞬间, Ni , Pb , Rb , Sb , Se , Sr , Te 和 Zn )的一套房,全部的器官的碳( TOC )和 pH 在溪流沉积被分析并且跟踪样品从嗯 Shashoba 区域,被旧采矿活动影响以便评估 Au placer 和沉积。分析结果用统计、图形、印射的方法被检验。尽管有结果,表明在沉积的元素的 Au 和大多数是显著地一般来说在跟踪比那些降低, Au 在形成 Au placer 的 NE 和 SW 部分被集中。它是显著地有 Hg 和 Sb 的 Au 的一个靠近的协会;两个作为为 Au placers 的开拓者元素有用。pH 的值不能控制分析元素的命运 TOC 和 Mn 氧化物和氢氧化物能举起一些元素 Au, Ba,公司, Cr, Hg, Ni,和 Sr。结果也显示沉积被引起的人为的因素污染中等,对关于双性人, Se 和 Te 的很强壮的污染强壮分别地。另外,地球表面形成学的因素能也贡献元素的丰富到排水系统并且引起重要毒性水平。 | Mohamed Abdallah Gad DARWISH | 2011 | Acta Geologica Sinica(English Edition)2011，85，4： | 2 |
| 13 | The Effect of a Single Dose of 3% Hypertonic Saline versus Mannitol 20% for Treatment of Brain Oedema and Intracranial Hypertension in Postoperative Patients with Supratentorial Gliomata显示文摘 | Walid Afifi Ikram Abdallah Mohamed Yosry | 2003 | Eg J anaesth2003，，： | 1 |
| 14 | Analytical and environmental aspects of the flame retardant tetrabromobisphenol-A and its derivatives显示文摘 | Adrian Covaci Stefan Voorspoels Mohamed Abou-Elwafa Abdallah Tinne Geens Stuart Harrad Robin J. Law | 2008 | Journal of Chromatography A2008，，3： | 1 |
| 15 | Cloning and charac-terization of a Schistosoma mansoni 1H and 30S clones as two tegumental vaccine candi-date antigens显示文摘 | Amr M Shabaan1 Magdy M Mohamed Mohga S Abdallah | 2003 | Acta Biochim Pol2003，50，1： | 1 |
| 16 | Water Pumping System with PLC and Frequen- cy Control显示文摘 | Akaa Ali Mohammed Al_ Soud Essam Abdallah Salah Addallah | 2009 | Jordan Journal of Mechanical and Industrial En- gineering2009，3，3： | 1 |
| 17 | Com- parison of blood loss in laser lipolysis vs traditional liposuction显示文摘 | Mohammed Mahmoud Abdelaal Yasser Abdallah Aboelatta | 2014 | Anesthetic Surgery Journal2014，34，6： | 1 |
| 18 | Transmission-line electric field induction in humans using charge simulation method 显示文摘 | Abdel-Salam M Mohamed Abdallah H | 1995 | IEEE Transactions on Biomedical Engineering1995，42，11： | 1 |
| 19 | Effects of Axial Preloading of Angular Contact Ball Bearing on the Dynamic of a Grinding Machine Spindle System 显示文摘 | Mohammed A A Abdallah A E | 2003 | Journal of Materials Processing Technology2003，136，： | 1 |
| 20 | Temporal trends in concentrations of legacy and novel brominated flame retardants in house dust from Birmingham in the United Kingdom显示文摘Concentrations of polybrominated diphenyl ethers(PBDEs),hexabromocyclododecane(HBCDD),tetrabromobisphenol-A(TBBPA)and two potential replacements decabromodiphenylethane(DBDPE)and 1,2-bis(2,4,6-tribromophenoxy)ethane(BTBPE)were measured in dust samples collected from 14 homes across Birmingham(UK).Concentrations were compared with those from the same city in previous studies to ascertain any temporal changes and to assess the effects of legislative restrictions.The average PHBCDDs concentration(46,000 ng/g;median=280 ng/g)included the highest dust concentration recorded globally(570,000 ng/g).This is despite the listing of HBCDD under the Stockholm Convention in 2013,demonstrating that decreases in indoor contamination will likely be slow as existing sources are gradually discarded.In contrast,concentrations of BDE-47(mean=5.7 ng/g;median=0.93 ng/g)and BDE-99(mean=11 ng/g;median=2.9 ng/g)were significantly lower than in all previous(p<0.01)studies in the same city since 2006,suggesting restrictions on the Penta-BDE formulation have been effective.The average BDE-209 concentration(4800 ng/g;median=1600 ng/g)is lower than the peak average concentration,which was observed in 2007(280,000 ng/g),however this is not a significant decline,probably due to the later imposition of Deca-BDE restrictions compared to those on Penta-BDE.Decreases in PBDE concentrations have coincided with a significant(p<0.01)increase in DBDPE concentrations(average=1500 ng/g;median=660 ng/g)since 2014,suggesting its use as a replacement flame retardant for Deca-BDE.While no significant change was detected for BTBPE(average 11 ng/g;median=0.84 ng/g in this study);concentrations of TBBPA(average=34 ng/g;median=35 ng/g)were significantly lower(p<0.05)than in 2007(average 62 ng/g).The decreases observed in PBDE concentrations,demonstrates that legislation has been effective in reducing the commercial use of PBDEs,however this has coincided with increases of alternative flame retardants such as DBDPE. | Daniel Simon Drage Sonthinee Waiyarat Stuart Harrad Mohamed Abou-Elwafa Abdallah Suwanna Kitpati Boontanon | 2020 | Emerging Contaminants2020，6，1： | 1 |
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