Broumi S.,Hassan II University Mohammedia - Casablanca |
Smarandache F.,University of New Mexico
FUSION 2014 - 17th International Conference on Information Fusion | Year: 2014
In this paper we proposed a new distance and several similarity measures between interval neutrosophic sets. © 2014 International Society of Information Fusion.
Daief Z.,Hassan II University |
Borja A.,Tecnalia |
Joulami L.,Hassan II University Mohammedia - Casablanca |
Azzi M.,Hassan II University |
And 2 more authors.
Ecological Indicators | Year: 2014
Rapid coastal development in recent decades has resulted in littoral environmental degradation in Morocco. Casablanca, considered as the economic metropolis driver of the country, is highly impacted by the excess of pollution rejected directly on its shores. The present study aimed at assessing, for the first time, the ecological status (ES) of urban sandy beaches using the Multivariate AZTI Marine Biotic Index (M-AMBI). Five sampling urban beaches around Casablanca [Petite Zenata (PZ), Grande Zenata (GZ), Ain Diab (AD), Sidi Abderrahmane (SD) and Sidi Rahal (SR)] were chosen so as to include a variety of stresses. They were monitored from May 2009 to April 2010 for water and sediment physico-chemical characteristics as well as for their benthic macrofauna in the saturation zone. According to water and sediment analyses, the overall pattern of environmental quality status revealed that wastewater and sewage are significant sources of urban sandy beaches pollution around Casablanca. In the first place, the PZ beach, and, secondarily, the GZ beach were evidenced as the most impacted locations. Both beaches presented high organic matter levels and faecal contamination in the water column that exceeded the human health standards. Furthermore, the total organic carbon (TOC) concentrations in sediment highlighted an evident organic enrichment, mainly at PZ beach (TOC > 20%). However, metal contamination was more evident in sediment than in the water column and exceeded rarely the Severe Effect Level. The benthic macrofauna was composed of a total of 28 taxa and revealed intra- and inter-beaches variations. Reference Conditions for the M-AMBI were selected according to historical reference condition combined to expert judgment based on historical data. Globally, M-AMBI worked well on assessing the ES under eutrophication stress due to excess nutrients input. The worst ES was recorded at PZ beach with most of time in bad ES. However, the spatio-temporal changes in the ES were not usually related to the various stressors despite the significant correlations observed between the M-AMBI and some physicochemical features of water and sediment. Sandy beaches are regarded as naturally stressed environments. The wide variations in their environmental conditions make it difficult to discern natural from human-induced changes. Therefore, the "Sandy Beach Quality Paradox" concept is proposed and will certainly be evolved concurrently with the assessment of the ES of sandy beaches. This first attempt on assessing the status of urban sandy beaches of Northeastern Atlantic (Morocco) should be considered as a first step towards more comprehensive and robust evaluation of the impact of human pressures on sandy beaches. © 2014 Elsevier Ltd.
Essiarab F.,Hassan II University Mohammedia - Casablanca |
Taki H.,Hassan II University Mohammedia - Casablanca |
Lebrazi H.,Hassan II University Mohammedia - Casablanca |
Sabri M.,CNSS Ziraoui Polyclinic |
Saile R.,Hassan II University Mohammedia - Casablanca
Ethnicity and Disease | Year: 2014
Objectives: Our study aimed to study the impact of obesity and metabolic syndrome (MetS) on lipoprotein profiles and cardiovascular risk through lipid ratios and atherogenic index of plasma (AIP) in Moroccan women. Methods: Our study included 240 Moroccan women, aged 53.31 ± 8.51 years, divided into three groups: controls (group 1, n=80), obese without MetS (group 2, n=80) and obese with MetS (group 3, n=80). Anthropometric and lipid measurements were taken and specific lipid ratios assessed, as well as Non-HDL cholesterol (Non-HDL-C) and atherogenic index of plasma (AIP). Results: Group 2 presented similar lipoprotein profiles compared with group 1. Group 3 had higher triglyceride (TG) levels than group 1, which, in turn, increased HDL and AIP values. Dyslipidemia in group 3 was demonstrated by higher TG levels, lipid ratios and AIP and lower HDL-C levels compared with group 2. All of these abnormalities are responsible for elevations of risks of cardiovascular diseases. Closer associations were found between cardiovascular risk and lipid ratios and AIP than lipids alone. Conclusion: Our study confirms that MetS affects the serum lipoprotein profile of obese women. Lipid ratios, nonHDL-C and AIP remain useful tools for the diagnosis and prognosis of cardiovascular disease by their associations with lipid parameters and their high predictive values.
Zro K.,Hassan II University Mohammedia - Casablanca |
Zro K.,Regional Laboratory of Analysis and Research of Oujda |
Azelmat S.,Military Hospital of Instruction Mohammed V |
Bendouro Y.,Regional Laboratory of Analysis and Research of Oujda |
And 3 more authors.
Journal of Virological Methods | Year: 2014
Sheeppox is now enzootic in Morocco. The development of a reliable method for rapid diagnosis of the disease is a central part of any control strategy. The aim of this study is to determine the diagnostic value of a variety of clinical samples such as ovine nasal, ocular or rectal swabs for the detection of sheeppox virus (SPPV) by qualitative conventional polymerase chain reaction (PCR), using a single pair of primers targeting the inverted terminal repeats of the SPPV InS-1 strain, a virulent field isolate. Swab and blood samples were collected from forty animals naturally infected with SPPV who had clinical signs of sheeppox. All animals tested PCR-positive for SPPV. Positive results were obtained infrequently with blood samples, whereas swab samples from at least two sites (nasal, ocular, rectal) were positive per evaluated animal. These results indicate that swab samples are suitable for quantitative molecular SPPV diagnosis. PCR product sequences obtained from all types of sheep samples proved to be identical to the corresponding regions of sheeppox virus strain Romania 65. © 2014.
Elmouki I.,Hassan II University Mohammedia - Casablanca |
Saadi S.,Hassan II University Mohammedia - Casablanca
Optimal Control Applications and Methods | Year: 2015
Our prime objective of the study is to exhibit the advantage to introduce a quadratic control in place of linear control in a cost function to be minimized, and that is associated to an optimal control problem that we formulate for a pre-validated model of bacillus Calmette-Guérin (BCG) immunotherapy in superficial bladder cancer. The compartmental model of interest is in the form of a nonlinear system of four ordinary differential equations that describe interactions between the used BCG strain, tumor cells, and immune responses. Previous studies reported that the optimal dose of BCG for treating bladder cancer is yet unknown. Hence, we aim to establish the optimization approach that can be applied for determining the values of the optimal BCG concentration along the therapy period to stimulate immune-system cells and reduce cancer cells growth during BCG intravesical therapy. Pontryagin's maximum principle and the generalized Legendre-Clebsch condition are employed to provide the explicit formulations of the sought optimal controls. The optimality system is resolved numerically based on a fourth-order iterative Runge-Kutta progressive-regressive scheme, which is used to solve a two-point boundary value problem. © 2015 John Wiley & Sons, Ltd.