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Chylous ascites secondary to hyperlipidemic pancreatitis with normal serum amylase and lipase

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World Journal of Gastroenterology 2007年第3期13卷 480-482页

作者： Fahmi Yousef Khan Issa matar Department of Medicine Hamad Medical Corporation Doha Qatar

A 54-year old man with a family history of hyperlipidemia was admitted with a 12 h history of severe generalized abdominal pain associated with nausea, vomiting and abdominal distension. Examination of the abdomen revealed tenderness in the periumblical area with shifting dullness. Serum pancreatic amylase was 29 IU/L and lipase 44 IU/L, triglyceride 36.28 mmol/L. Ultrasound showed ascites. CT of the abdomen with contrast showed inflammatory changes surrounding the pancreas consistent with acute pancreatitis. Ultrasound (US) guided abdomen paracentesis yielded a milky fluid with high triglyceride content consistent with chylous ascites. The patient was kept fasting and intravenous fluid hydration was provided. Meperidine was administered for pain relief. On the following days the patient’s condition improved and he was gradually restarted on a low-fat diet, and fat lowering agent (gemfibrozil) was begun, 600 mg twice a day. On d 14, abdomen US was repeated and showed fluid free peritoneal cavity. The patient was discharged after 18 d of hospitalization with 600 mg gemfibrozil twice a day. At the time of discharge, the fasting triglyceride was 4.2 mmol/L. After four weeks the patient was seen in the clinic, he was well.

关键词： Amylase Chylous ascites Hyperlipidemic pancreatitis

Effects of Polypropylene Fibers on the Physical and Mechanical Properties of Recycled Aggregate Concrete

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Journal of Wuhan University of Technology(Materials Science) 2019年第6期34卷 1327-1344页

作者： Pierre matar Gérard-Philippe Zéhil Lebanese University Faculty of EngineeringBranch 2RoumiehLebanon Notre Dame University-Louaize Faculty of EngineeringZouk MosbehLebanon

The viability of using polypropylene fibers(PPF) in concrete was largely studied. Yet, few of the existing research studies investigated the effects of PPF on the properties of concrete containing recycled concrete aggregate(RCA). Mixes with different RCA replacement ratios and different PPF content were designed and tested. The test results showed that the addition of PPF did not change significantly the compressive strength and the density of the concrete, but slightly decreased its modulus of elasticity and Poisson’s ratio. The drop in the splitting tensile strength and the flexural strength due to RCA inclusions was to a large extent compensated by the PPF addition. The water absorption decreased and the percent voids increased with increased PPF addition. Correlations between the RCA content, the PPF content and the properties of concrete were studied. Useful regression models were proposed to predict the properties of concrete in relevant ranges of RCA and PPF content.

关键词： concrete recycled aggregate fiber reinforcement physical properties mechanical properties

Selective metal leaching from technosols based on synthetic root exudate composition

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Journal of Environmental Sciences 2020年第10期32卷 85-92页

作者： Hussein Jaafar Kanbar Zeinab matar Ghina Abed-AlHadi Safa Veronique Kazpard Research and Aralysis Platform for Enuironmental Sciences(PRASE) Doctoral School of Sciences and Techrology(EDST)The Lebanese UniversityP.O.5Rafic Hariri CampusHadatLebanon Department of Chemistry UmeàUniversitySE-90187UmeàSweden Department of Earth and Life Sciences Faculty of SciencesThe Lebanese UniversityRafic Hariri CampusHadatLebanon Laboratory of Georesources Geosciences and Enuironment(1.2GE)Faculty of SciencesThe Lebanese UniversityFanarLebanon

This study focused on metal release from technosols induced by synthetic root exudate(SRE).The effect of SRE composition on metal release was studied using six *** was done by treating the technosols with SRE solutions having varying concentrations of low molecular weight organic acids (LMWOAs),namely oxalic,citric,and malic ***,the physico-chemical parameters (p H and electric conductivity),Ca,Mg,Fe,Zn,and Cu release (by atomic absorption spectroscopy,AAS),chemical changes (by Fourier transform infrared,FT-IR),and organic parameters (by fluorescence) were *** release showed to be dependent on the SRE composition and technosol *** acid selectively released Ca,Mg,Zn,and Cu from technosols in a concentration-dependent manner;oxalic acid showed a significant role in the release of Mg and *** relatively high LMWOA concentrations,particulate organo-mineral complexes ***,technosol weathering was seen by the dissolution of humic substances and ferriallophanes,which in turn caused metal ***,re-precipitation of these phases showed to re-sorb metals,thus underestimating the role of LMWOAs in metal ***,the selective metal leaching was highly dependent on the SRE composition and LMWOA concentrations on one hand,and on the mineral,organic,and organo-mineral components of the technosols on the *** understanding of such processes is crucial for proposing and implementing environmental management strategies to reduce metal leaching or for the beneficial re-usage of metals (e.g.,for agromining) from technosols.

关键词： Technosols Oxalic acid Citric acid Metals Desorption Organo-mineral complexes

Note on controllability of linear fractional dynamical systems

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Journal of Control and Decision 2016年第4期3卷 267-279页

作者： K.Balachandran M.matar J.J.Trujillo Department of Mathematics Bharathiar UniversityCoimbatoreIndia Department of Mathematics Al-Azhar University-GazaGazaPalestine Departamento de Analisis Matemático Universidad de La LaqunaTenerifeSpain

In this article,we obtain the solutions of some fractional differential systems with different orders using the inverse operator method and Mittag–Leffler ***,the controllability of time-invariant linear fractional s... 详细信息

关键词： Controllability fractional systems Mittag-Leffler function

Modulation of IL-10/IL-10R expression by mafosfamide, a derivative of 4-hydroxycyclophosphamide, in a rat B-cell lymphoma

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BIOCELL 2012年第2期36卷 91-95页

作者： MARÍA J.RICO PABLO matar O.GRACIELA SCHAROVSKY Instituto de Genética Experimental Facultad de Ciencias MédicasUniversidad Nacional de RosarioSanta Fe 3100(2000)RosarioArgentina Consejo Nacional de Investigaciones Científicas y Técnicas(CONICET). Consejo de Investigaciones UNRRosarioArgentina

We have already shown that IL-10 plays an important role in immunosuppression and metastatic dissemination in the rat B-cell lymphoma L-TACB *** was suggested that the up-regulation of IL10 production and IL-10 receptor(IL-10R)expression would be part of the transition from primary tumor to metastatic phenotype and that IL-10,besides its immunosuppressive activity,may act as a growth factor for metastatic L-TACB *** treatment of L-TACB-bearing rats with a single low-dose cyclophosphamide decreased IL-10 production,reverted immunosuppression and induced the immunologic rejection of tumor metastasis without any effect on primary tumor *** current aim was to investigate the effects of cyclophosphamide on the expression of IL-10 and IL-10R on primary and metastatic L-TACB *** that cyclophosphamide is a prodrug,we used mafosfamide,a compound that yields in vitro the same active metabolites as cyclophosphamide does in *** induced down-regulation of IL-10 production and IL-10R expression on metastatic cells and,concomitantly,inhibited metastatic cell *** suggest that mafosfamide would inhibit the regulatory loop mediated by the IL-10/IL-10R system and,as a consequence,metastatic cell *** results may have a considerable impact on the design of new therapies for metastatic lymphomas.

关键词： metastasis cyclophosphamide cell proliferation

混沌腔体换能器在反向滤波弹性检测中的应用及其仿真研究

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声学学报 2014年第4期39卷 459-466页

作者：李义丰 Bou matar Olivier 李宝顺南京工业大学电子与信息工程学院近代声学教育部重点实验室(南京大学) International Associated Laboratory LEMAC:IEMN UMR CNRS 8520PRES Lille Nord de FranceECLilleVilleneuve d'AscqFrance59652

针对传统单通道时间反转无损检测成像质量低,检测灵敏度差的问题,通过混沌腔体换能器(Chaotic Cavity Transducer:CCT)的应用,极大提高聚焦检测的能力。CCT的使用可以更好的利用介质的各经历态特性,其有效解决了单通道时间反转检测中的... 详细信息

针对传统单通道时间反转无损检测成像质量低,检测灵敏度差的问题,通过混沌腔体换能器(Chaotic Cavity Transducer:CCT)的应用,极大提高聚焦检测的能力。CCT的使用可以更好的利用介质的各经历态特性,其有效解决了单通道时间反转检测中的幻影成像及边界应力增加的问题。实验过程中采用了线性调频激发信号源(Chirped Excitation:CE)及反向滤波技术(Inverse Filter:IF),他们分别能够携带更多的能量及利用更多反转信号的模态,进而有效的提高信号聚焦的质量。为了更好的理解混沌腔体换能器的特性,采用了非连续Galerkin算法对其聚焦性能进行了数值仿真和分析。数值仿真的结果及混响介质检测与成像的实现,验证了CCT与CE及IF结合应用的有效性和高效性。

关键词：时间反转数值仿真线性调频成像质量聚焦性能 Transducer 信噪比介质表面自动聚焦脉冲响应

Fermentation, formulation and evaluation of PGPR Bacillus subtilis isolate as a bioagent for reducing occurrence of peanut soil-borne diseases

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Journal of Integrative Agriculture 2019年第9期18卷 2080-2092页

作者： Abdel-Gayed M.Ahmad Abo-Zaid G.Attia matar S.Mohamed Hafez E.Elsayed Onion Garlic and Oil Crops Research DepartmentPlant Pathology Research InstituteAgricultural Research CenterGiza 12619Egypt Bioprocess Development Department Genetic Engineering and Biotechnology Research InstituteCity of Scientific Research and Technological ApplicationsNew Borg El-Arab CityAlexandria 21934Egypt Chemical Engineering Department Faculty of EngineeringJazan UniversityJazan 45142Saudi Arabia Plant Protection and Biomolecular Diagnosis Department Arid Lands Cultivation Research InstituteCity of Scientific Research and Technological ApplicationsNew Borg El-Arab CityAlexandria 21934Egypt

Four isolates of Bacillus subtilis coded,B4,B7,B8 and B10 were examined as biocontrol agents for their abilities and antagonistic effect on the in vitro growth of certain phytopathogenic fungi of peanut,Rhizoctonia solani and Sclerotium *** subtilis isolate B4(GenBank accession ***150884)was the highly effective one for inhibiting the fungal mycelial *** fermentation of *** isolate B4 was carried out and the maximum biomass achieved was 4.53 g L-1 at 11 *** subtilis isolate B4 was formulated and evaluated as a biofungicide to reduce peanut soil-borne diseases under greenhouse and field conditions at the side of Rizolex-T(fungicide)as *** by formulated plant growth-promoting rhizobacteria(PGPR)*** B4 and Rizolex-T in a soil infested with ***,*** and mixture of them were more effective in decreasing percentage of damping-off,root and pod rot disease incidence(%)in greenhouse and open field environment during the two seasons 2015 and *** by PGPR gave highly dry weight and number of healthy pods compared to control of fungi treatment which was nearby to dry weights of healthy pods achieved by treatments by Rizolex-T in a soil infested with ***,*** and mixture of *** PGPR *** B4 gave higher increasing of yield percentage than treatment by Rizolex-T in the two evaluated seasons 2015 and *** can conclude that the produced bioforumlated agent was more efficient as fungicide when compared with the other chemical synthesized fungicides,safe for human and the environment and economy.

关键词： peanut soil-borne diseases Bacillus subtilis biocontrol fermentation formulation

Numerical simulation of three-dimensional breaking waves and its interaction with a vertical circular cylinder

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Journal of Hydrodynamics 2017年第5期29卷 800-804页

作者： Zhihua Xie 吕林 Thorsten Stoesser 林建国 Dimitrios Pavlidis Pablo Salinas Christopher C.Pain Omar K.matar School of Engineering Cardiff UniversityCardiff CF24 3AAUK State Key Laboratory of Coastal and Offshore Engineering Dalian University of TechnologyDalian 116023China Department of Earth Science and Engineering Imperial College LondonLondonSW7 2AZUK Department of Chemical Engineering Imperial College LondonLondonSW7 2AZUK College of Environmental Science and Engineering Dalian Maritime UniversityDalian 116026China

Wave breaking plays an important role in wave-structure interaction. A novel control volume finite element method with adaptive unstructured meshes is employed here to study 3-D breaking waves. The numerical framework consists of a ＂volume of fluid＂ type method for the interface capturing and adaptive unstructured meshes to improve computational efficiency. The numerical model is validated against experimental measurements of breaking wave over a sloping beach and is then used to study the breaking wave impact on a vertical circular cylinder on a slope. Detailed complex interfacial structures during wave impact, such as plunging jet formation and splash-up are captured in the simulation, demonstrating the capability of the present method.

关键词： Breaking waves volume of fluid method 3-D simulation Navier-Stokes equation adaptive unstructured mesh

Antioxidant and anti-diabetic activities in commercial and homemade pomegranate molasses in Lebanon

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Food Bioscience 2022年第2期46卷 338-345页

作者： Mira Bou Dargham Jocelyne matar Boumosleh Antoine Farhat Salwa Abdelkhalek Elias Bou-Maroun Leina El Hosry Department of Nursing and Health Sciences Notre Dame University-LouaizeZouk MosbehLebanon Department of Rehabilitation and Health Services University of North TexasDentonTexasUSA Department of Health and Medical Sciences Khawarizmi International College Univ.Bourgogne Franche-Comt´e AgroSup DijonUMR A 02.102Proc´ed´es Alimentaires et MicrobiologiquesF-21000DijonFrance

Pomegranate fruit and its derived products are rich sources of bioactive *** have many biological *** molasses(PM)is a thick,traditional Middle Eastern syrup used in many recipes for Lebanese and international *** is a highly nutritious product which makes it of great *** purpose of this study was to assess the phytochemical composition,antioxidant and anti-diabetic properties of homemade and commercial PM consumed in Lebanon using samples collected from households in rural areas(n=4)and the market(n=28).The objectives of this study were to determine their total phenolic content using the Follin-Ciocalteu method,their total flavonoid content using aluminum chloride method,their antioxidant activity using DPPH radical scavenging as well as ferrous ion chelating assays and their anti-diabetic activity usingα-amylase andα-glucosidase inhibitory activities with acarbose,a known anti-diabetic drug,used as the standard *** PM samples exhibited a higher antioxidant activity than commercial samples,with the most active homemade PM sample having IC_(50)values of 0.09 mg/mL(DPPH radical scavenging assay)and 46.78%ferrous ion chelating assay).Homemade PM samples also showed higher anti-diabetic activity than commercial samples,with the most active homemade PM sample having an IC_(50)values of 0.63 mg/mL(α-amylase inhibitory activity)and of 0.41 mg/mL(α-glucosidase inhibitory activity)and being almost as active as acarbose with both enzymes(1.5 times).Significant inverse strong/moderate correlations were observed between total phenolic content/total flavonoid content and the IC_(50)value of DPPH radical scavenging assay,indicating positive associations between total phenolic and flavonoid contents and antioxidant *** addition,significant negative moderate correlations were observed between total phenolic/flavonoid contents andα-amylase inhibitory activity,indicating positive associations between total phenoli

关键词： Pomegranate molasses Antioxidant activity Ferrous ion chelating assay Anti-diabetic activity α-amylase inhibitory assay α-glucosidase inhibitory assay