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Light Panels Based on Expanded Perlite, Application as Adsorbers and Insulator against Rapid Evaporation in Subsaharien Countries

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Journal of Environmental Protection 2012年第2期3卷 203-210页

作者： mohamed tahiri Fatiha Benzha Aziz El Makssoudi Département de Chimie Faculté des Sciences Ain Chock Université Hassan II Laboratoire Hydrosciences Casablanca Morroco

Our project concentrates on manufacture of light panels based on available natural materials (expanded perlite, sawdust and refuse of wood, vegetable coal.) mixed with a natural resin not toxic (resin of the pine). The manufacturing process permits to carry out panel’s low thickness and in various colors which give an aesthetic aspect for waste water treatment plants while preventing the emanation of the nauseous odors coming from the anaerobic metabolism of the organic matter present in the liquid effluents. Panels are also a suitable solution against rapid evaporation of stored rain fed water into lakes and dams. The particularities of these panels are especially: Lower density than water’s one, provide big capacity of adsorption for the organic gas matter, composite material acts like filter in which organic gases are photo oxidized with dioxide titanium involved in the composite material and these composite materials are insulators of basins against solar heating and consequently fast evaporation.

关键词： Perlite Adsorption Nauseous Odours Photo-Oxidation Dioxide Titanium

Effect of Peroxisome Proliferator-Activated Receptor-γ Coactivator-1 Alpha Variants on Spontaneous Clearance and Fibrosis Progression during Hepatitis C Virus Infection in Moroccan Patients

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Virologica Sinica 2020年第5期35卷 566-574页

作者： Raouia ElFihry Mohcine Elmessaoudi-Idrissi Fatima-Zahra Jadid Imane Zaidane Hajar Chihab mohamed tahiri Mostafa Kabine Wafaa Badre Isabelle Chemin Agnes Marchio Pascal Pineau Sayeh Ezzikouri Soumaya Benjelloun Virology Unit Viral Hepatitis LaboratoryInstitut Pasteur du Maroc20360 CasablancaMorocco Laboratoire Sante´et Environnement de´partement de BiologieFaculte´des Sciences Ain ChockUniversity Hassan II of Casablanca20360 CasablancaMorocco Service d’He´pato-Gastro-Ente´rologie CHU Ibn Rochd20360 CasablancaMorocco Centre de Recherche en Cance´rologie de Lyon UMR INSERM 1052CNRS 5286Lyon Cedex 03France Unite´"Organisation Nucle´aire et Oncogene`se" INSERM U993Institut Pasteur75015 ParisFrance

Hepatitis C virus(HCV)is still one of the main causes of liver disease *** disorders,including nonalcoholic fatty liver disease(NAFLD),induced by HCV have been shown to accelerate the progression of fibrosis to cirrhosis and to increase the risk of hepatocellular *** optimal peroxisome proliferator-activated receptor gamma coactivator 1-alpha(PPARGC1A)activity is crucial to prevent NAFLD *** present study aims to investigate the associations between two common PPARGC1A polymorphisms(rs8192678 and rs12640088)and the outcomes of HCV infection in a North African context.A series of 592 consecutive Moroccan subjects,including 292 patients with chronic hepatitis C(CHC),100 resolvers and 200 healthy controls were genotyped using a TaqMan allelic discrimination ***1A variations at rs8192678 and rs12640088 were not associated with spontaneous clearance of HCV infection(adjusted ORs=0.76 and 0.79 respectively,P[0.05,for both).Furthermore,multivariable logistic regression analysis showed that both SNPs were not associated with fibrosis progression(OR=0.71;95%CI 0.20–2.49;P=0.739;OR=1.28;95%CI 0.25–6.54;P=0.512,respectively).We conclude that,in the genetic context of South Mediterranean patients,rs8192678 and rs12640088 polymorphisms of PPARGC1 A are neither associated with spontaneous clearance nor with disease progression in individuals infected with HCV.

关键词： Chronic hepatitis C Peroxisome proliferator-activated receptor gamma coactivator 1-alpha(PPARGC1A) Polymorphisms Disease progression

Chronic permanent hypoxemia predisposes to mild elevation of liver stiffness

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World Journal of Gastroenterology 2014年第30期20卷 10564-10569页

作者： mohamed tahiri Abdenasser Drighil Yasmine Jalal Dounia Ghellab Wafaa Hliwa Haddad Fouad Wafaa Badre Ahmad Bellabah Rachida Habbal Rhimou Alaoui Department of Gastroenterology Ibn Rochd University Hospital Center of CasablancaCasablanca 20170Morocco Department of Cardiology Ibn Rochd University Hospital Center of CasablancaCasablanca 20170Morocco

AIM:To evaluate the impact of long term permanent hypoxemia noticed in patients with non operated congenital cyanogenic cyanotic cardiopathy on liver ***:We included ten adult patients with non operated inoperate cyanotic cardiopathy and ten matched patients for age and gender admitted to the gastroenterology department for proctologic diseases;Clinical and laboratory data were collected[age,gender,body mass index,oxygen saturation,glutamate oxaloacetate transaminase(GOT),glutamate pyruvate transaminase(GPT),glycemia and cholesterol].Measurement of hepatic stiffness by transient elastography was carried out in all patients using the Fibroscan *** patients underwent an echocardiography to eliminate congestive heart ***:Among the patients with cyanotic cardiopathy,median liver stiffness 5.9±1.3 kPa was greater than control group(4.7±0.4 kPa)(P=0.008).Median levels of GOT,GPT,gamma-glutamyltransferase,glycemia and cholesterol were comparable in cardiopathy and control *** regression analysis including age,gender,body mass index,oxygen saturation,GOT,GPT,glycemia,cholesterol showed that only oxygen saturation was related to liver stiffness(r=-0.63 P=0.002).CONCLUSION:Chronic permanent hypoxemia can induce mild increase of liver stiffness,but further studies are needed to explore the histological aspects of liver injury induced by chronic permanent hypoxemia.

关键词： Liver Cardiopathy Hypoxemia Stiffness Cyanotic

Risk factors for liver fibrosis among human immunodeficiency virus monoinfected patients using the FIB4 index in Morocco

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World Journal of Hepatology 2013年第10期5卷 584-588页

作者： mohamed tahiri Mustapha Sodqi Fatima Ez Zahra Lahdami Latifa Marih Hassan Lamdini Wafaa Hliwa Ahd Oulad Lahcen Wafaa Badre Fouad Haddad Abdelfetah Chakib Ahmed Bellabah Rhimou Alaoui Kamal Marhoum El Filali Department of Hepato-Gastro-Enterology Ibn Rochd Hospital University Center Department of Infectious Diseases Ibn Rochd Hospital University Center

AIM: To study the prevalence and risk factors of significant hepatic fibrosis in Moroccan human immunodeficiency virus(HIV) monoinfected ***: We conducted a cross-sectional study among HIV monoinfected patients(negative for hepatitis B surface antigen and hepatitis C antibody). Clinical and laboratory data were collected from the data base of the Infectious Diseases Unit in Ibn Rochd Hospital Center [age, gender, duration of HIV infection, CD4 T lymphocyte count, HIV viral load, glycemia and current or prior use of antiretroviral and antiretroviral therapy(ART) duration]. The primary outcome was a FIB4score > 1.45. Multivariable logistic regression identifiedindependent risk factors for FIB4 > ***: A FIB4 score > 1.45 was identified in 96among 619(15.5%). HIV monoinfected patients followed up between September 1990 and September2012. Multivariate analysis showed that only a viral load > 75(OR = 2.23, 95%CI: 1.36-3.67), CD4 > 200cells/mm3(OR = 0.39, 95%CI: 0.21-0.72) and age at FIB4 index calculation(OR = 1.10, 95%CI: 1.07-1.13)were independently associated with the occurrence of FIB4 index(> 1.45). Gender, duration of HIV infection,glycemia, use of antiretroviral therapy and ART duration were not associated with significant fibrosis by ***: FIB4 score > 1.45 was found in 15.5%of Moroccan HIV monoinfected patients. Age, HIV viremia > 75 copies/mL and CD4 count > 200 cells/mm3are associated with liver fibrosis. Further studies are needed to explore mechanisms for fibrosis in HIV monoinfected patients.

关键词： Human immunodeficiency virus FIB4 Liver Monoinfected Risk factors

Radial Hahn Moment Invariants for 2D and 3D Image Recognition

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International Journal of Automation and computing 2018年第3期15卷 277-289页

作者： Mostafa El Mallahi Amal Zouhri Anass El Affar Ahmed tahiri Hassan Qjidaa Sidi mohamed Ben Abdellah University Faculty of Sciences Dhar el MahrazCED-ST Center of Doctoral Studies in Sciences and Technologies

Recently, orthogonal moments have become efficient tools for two-dimensional and three-dimensional（2D and 3D） image not only in pattern recognition, image vision, but also in image processing and applications engineering. Yet, there is still a major difficulty in 3D rotation invariants. In this paper, we propose new sets of invariants for 2D and 3D rotation, scaling and translation based on orthogonal radial Hahn moments. We also present theoretical mathematics to derive them. Thus, this paper introduces in the first case new 2D radial Hahn moments based on polar representation of an object by one-dimensional orthogonal discrete Hahn polynomials, and a circular function. In the second case, we present new 3D radial Hahn moments using a spherical representation of volumetric image by one-dimensional orthogonal discrete Hahn polynomials and a spherical function. Further 2D and 3D invariants are derived from the proposed 2D and 3D radial Hahn moments respectively, which appear as the third case. In order to test the proposed approach, we have resolved three issues： the image reconstruction, the invariance of rotation, scaling and translation, and the pattern recognition. The result of experiments show that the Hahn moments have done better than the Krawtchouk moments, with and without noise. Simultaneously, the mentioned reconstruction converges quickly to the original image using 2D and 3D radial Hahn moments, and the test images are clearly recognized from a set of images that are available in COIL-20 database for 2D image, and Princeton shape benchmark（PSB） database for 3D image.

关键词： Orthogonal moments two-dimensional and three-dimensional (2D and 3D) radial Hahn moments Hahn polynomials image reconstruction 2D and 3D rotation invariants.

Neonatal Pleuropulmonary Staphylococcal Disease: A Case Report

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Open Journal of Pediatrics 2023年第1期13卷 138-145页

作者： Fatima-Ezzahra tahiri Oualid Assem Fatiha Bennaoui Nadia El Idrissi Slitine Nabila Soraa Fadl Marabih Rabou Maoulainine Department of Neonatal Resuscitation University Hospital Center Mohamed VI Marrakech Morocco Health Childhood and Development Research Team Faculty of Medicine Cadi Ayyad University Marrakech Morocco Microbiology Department University Hospital Center Mohamed VI Marrakech Morocco

Staphylococcal pleuropulmonary disease (SPP) is the localization of pathogenic staphylococcal disease in the lung and pleura and its general haematogenic consequences. This location is not primary, but follows a primary skin or mucous infection that may go unnoticed. This is a very rare phenomenon in neonatology and in the various literature reviews. Through our observation we report the clinical diagnosis of a newborn 13-day age with pleuro-pulmonary staphyloccocia point of departure cutaneous, thus the paraclinical explorations performed in our patient therapeutic management and evolutionary profile after a 3-month decline. Note that the problem of resistance of staphylococci to different antibiotics is currently a real public health problem making the choice of treatment very difficult for the clinician.

关键词： Newborn Skin Infection Respiratory Distress Meticillin-Resistant Staphylococcus Aureus Excavation Pneumothorax

Giant Hydatid Cyst of the Liver: A Case Report

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International Journal of Clinical Medicine 2014年第1期5卷 1-3页

作者： Mountassir Moujahid Issam Enna-Faa mohamed Ghari Issam Raissouni Moulay Hassan tahiri Department of General Surgery 5th Military Hospital Guelmim Morocco Department of Radiology 5th Military Hospital Guelmim Morocco Department of Reanimation 5th Military Hospital Guelmim Morocco

It is a cosmopolitan disease due to the embryonic shape of taenia of the dog echinococcosis granulosis. It is the disease which puts a real problem of public health in our country. We report a case of giant hydatid cy... 详细信息

关键词： Hydatic Disease Liver Hydatic Echinococcosis Granulosis Diagnostic and Treatment

A Rare Cause of Abdominal Pain: Mucocele of Appendix

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International Journal of Clinical Medicine 2014年第6期5卷 305-308页

作者： Mountassir Moujahid Issam Ennafaa El Ghari mohamed Issam Serghini Moulay El Hassan tahiri Department of General Surgery 5th Miltary Hospital Guelmim Morocco Department of Radiology 5th Miltary Hospital Guel-mim Morocco Department of Reanimation 5th Miltary Hospital Guelmim Morocco

The mucocele of appendix or mucosecreting tumor is a rare affection defined as a cystic dilatation of the light of the appendix following the intra luminal accumulation of mucinous, translucent, gelatinous, secretion which may reach either the entire organ or a segment more often distal. The pathogenesisis is discussed;the diagnosis is more often preoperative. The therapeutic depends on the histological nature. This goes from the simple appendicectomy, whose shapes are benign to the right hemicolectomy in the malignant mucocele. We report a case collaged in the general surgical service of the 5th Military Hospital.

关键词： Appendix Mucocele Peritoneal Pseudomyxoma Diagnosis Surgical Treatment

Hepato Splenic Tuberculosis in Acute Cholecystitis

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International Journal of Clinical Medicine 2014年第14期5卷 871-874页

作者： Mountassir Moujahid Hicham Iraqui mohamed Ghari Issam Serghini Khalid Chekoura Moulay Hassan tahiri Departement of Radiology 5th Military Hospital Guelmim Morroco Departement of Reanimation 5th Military Hospital Guelmim Morroco Departement of Surgery 5th Military Hospital Guelmim Morroco

Background: The tuberculosis is an endemic disease in our country;it remains a major public health problem. Liver and splenic tuberculosis is a classic disease which represents 1.5% of all gastrointestinal tuberculosis. Patients and Methods: We reported the case of a fifty-six years old patient admitted in the department of surgery for acute cholecystitis, and the biological balance showed a hyperleukocytosis at 16,000 elements/mm3 and a CRP at 25 with a light cholestasis. The abdominal scanner showed a micronodular splenomegaly with coelio mesenteric ganglions. We discovered a tuberculosis location in the liver and the spleen and we realized a cholecystectomy with a hepatic biopsy and a splenectomy. Results: A gallbladder ablation associated with an enlarged spleen and liver biopsy was diagnosed with liver and splenic tuberculosis. The patient was put under anti tubercular treatment with the good clinical and radiological evolution. Conclusion: The diagnosis of tuberculosis should always be considered especially in endemic countries.

关键词： Tuberculosis Endemic Liver Spleen Diagnosis Treatment