Publications scientifiques: Recent submissions

Voici les éléments 241-260 de 624

Using water to modify the localization of clay in immiscible polymer blends

Yousfi, Mohamed; Du, Fang; Lipnik, Pascale; Sclavons, Michel; Soulestin, Jérémie (RSC Advances, 2015)

Bio-based polyamide 11 (PA11) and water-soluble polyethylene oxide (PEO) (80/20 wt/wt) were used to prepare an immiscible polymer blend. Ternary systems containing 1 wt% hydrophilic clay (organomodified or native clay) ...
Power savings and performance analysis in wireless networks

Mohammed Boulmalf; Tarik Aouam; Mounir Ghogho (2012 IEEE Vehicular Technology Conference (VTC Fall), 2012-09-03)

This paper investigates the effects of power saving strategies on the performance of wireless local area networks (WLANs). More specifically, a power management model is formulated as an integer linear program that the ...
GC/MS Analysis of essential oils of Cymbopogon schoenanthus and Origanum majorana L. grown in eastern Algeria

Yousfi, M; Hadef, D; Saidi, M; Moussaoui, Y (Asian J. Chem, 2015-05-15)

The chemical compositions of the essential oils obtained from the aerial parts (leaves) of Cymbogopogn schoenanthus and Origanum majorana L, grown in Eastern Algeria (35 24'15" N and 8 7'27" E), by hydrodistillation was ...
Effect of Maturation Degree on Composition of Fatty Acids and Tocopherols of Fruit Oil from Pistacia atlantica Growing Wild in Algeria

Yousfi, Mohamed; Guenane, Hamid; Bombarda, Isabelle; OuldElhadj, Mohamed Didi (Natural product communications, 2015-10)

Pistacia atlantica fruit oil has been used for a long time by local populations for culinary and medicinal purposes. In this study, the fatty acid composition and tocopherol content were determined in twelve samples of P. ...
Tribological behavior of PVD hard coated cutting tools under cryogenic cooling conditions

Yousfi, Mohamed; Outeiro, JC; Nouveau, Corinne; Marcon, Bertrand; Zouhair, Badr (Procedia CIRP, 2017-01-01)

Cryogenic assistance is used to improve machining performance and to enhance tool life under extreme contact conditions (pressure and temperature). This paper focuses on the influence of cryogenic cooling conditions using ...
Optimizing road traffic of emergency vehicles

Hasnaa Elmandili; Hamza Toulni; Benayad Nsiri (2013 International Conference on Advanced Logistics and Transport, 2013-05-29)

In our application, and in the context of optimizing the flow of an emergency vehicle in time, we will rely on two tools (mathematics and computer science) in order to avoid delays and risks that characterize the movement ...
Resources optimization handling operations in ports multipurpose terminal

HASNAA ELMANDILI; BENAYAD NSIRI; BRAHIM AGHEZZAF (WSEAS Transactions on Systems, 2014)

The multipurpose terminal in a port, is an intermodal platform that links the ship to the truck, or to another vessel in the case of transshipment. This paper presents an approach which aims to optimize the massive volumes ...
Identification of volatile compounds, antimicrobial properties and antioxidant activity from leaves, cones and stems of Cupressus sempervirens from Algeria

Yousfi, Mohamed; Zouaghi, Nafila; Bellel, Cherifa; Cavaleiro, Carlos; Nadjemi, Boubekeur (African Journal of Microbiology Research, 2015-01-14)

L.(Neffati et al., 1999). C. sempervirens is considered to be a medicinal tree, as its dried leaves are used as an emmenagogue and for stomach pain (Castro, 1998), as well as to treat diabetes, and its dried fruit is used ...
Application-Aware Bandwidth Scheduling for Data Center Networks

Andrew Lester; Yongning Tang; Tibor Gyires (Journal on Advances in Networks and Services, 2014)

Recent study showed that many network applications require multiple different network flows to complete their tasks. Provisioning bandwidth to network applications other than individual flows in data center networks ...
Variability of composition and effects of essential oils from Rhanterium adpressum Coss. & Durieu against mycotoxinogenic Fusarium strains

Yousfi, Mohamed; Elhouiti, Fatiha; Tahri, Djilali; Takhi, Djalila; Ouinten, Mohamed; Barreau, Christian; Verdal Bonnin, Marie Noëlle; Bombarda, Isabelle (Archives of microbiology, 2017-12-01)

The antifungal potency of the essential oils of Rhanterium adpressum was evaluated against four mycotoxigenic strains of the genus Fusarium. The essential oils were obtained, separately, by hydro-distillation of the ...
Chemical composition of the essential oil of unripe galls of Pistacia atlantica Desf. from Algeria

Yousfi, Mohamed; Gourine, Nadhir; Sifi, Ibrahim; Gaydou, Emile M (The Natural Products Journal, 2011-12-01)

The essential oils obtained by hydrodistillation of unripe galls of Pistacia atlantica and collected from both male and female trees yielded 0.53% and 0.46% v/w, respectively. The essential oils were analyzed by GC and ...
Determination of optimal extraction conditions for phenolic compounds from Pistacia atlantica leaves using the response surface methodology

Yousfi, Mohamed; Ben Ahmed, Ziyad; Viaene, Johan; Dejaegher, Bieke; Demeyer, Kristiaan; Mangelings, Debby; Heyden, Yvan Vander (Analytical Methods, 2016)

Response surface methodology in combination with a Box-Behnken experimental design was performed to optimize the extraction conditions, resulting in a maximum yield for the total phenolic content (TPC) from leaves of ...
Simulation of thermal and chemical relaxation in a post-discharge air corona reactor

Yousfi, M; Meziane, M; Eichwald, O; Ducasse, O (arXiv preprint arXiv:1606.09524, 2016-06-30)

In a DC point-to-plane corona discharge reactor, the mono filamentary streamers cross the inter electrode gap with a natural repetition frequency of some tens of kHz. The discharge phase (including the primary and the ...
Inhibition of Fusarium oxysporum f. sp. albedinis by essential oils of flowers and stems of Rhanterium adpressum

Yousfi, M; El Houiti, F; Tahri, D; Seba, M; Ouinten, M; Gaydou, EM (PhOL PharmacologyOnLine, 2016-12-30)

In the present study, we evaluated the antifungal activity of essential oils extracted from the stems and flowers of Rhanterium adpressum, a spontaneous plant growing in North Africa. The plant samples were collected from ...
Inhibition of Candida rugosa lipase by secondary metabolites extracts of three Algerian plants and their antioxydant activities

Yousfi, M; Benarous, K; Djeridane, A; Kameli, A (Current Enzyme Inhibition, 2013-05-01)

Lipase inhibitors have generated a great interest because they could help in the prevention or the therapy of lipase‐related diseases. Therefore, the aim of this work was to evaluate the inhibitory effect of secondary ...
Chemical Composition and Antioxidant Activity of Seed oil of Two Algerian Date Palm Cultivars (Phoenix dactylifera)

Yousfi, Mohamed; Boukouada, Mustapha; Ghiaba, Zineb; Gourine, Nadhir; Bombarda, Isabelle; Saidi, Mokhtar (Natural product communications, 2014-12)

The fatty acid composition of date seed oil from two different date palm (Phoenix dactylifera L.) cultivars, locally known as Degla-Baïdha and Tafezouine, were investigated. GC analysis revealed the presence of five ...
Antimycobacterial, antioxidant and cytotoxic activities of essential oil of gall of Pistacia atlantica Desf. From Algeria

Sifi, I; Dzoyem, Jean Paul; Ouinten, M; Yousfi, M; McGaw, Lyndy Joy; Eloff, Jacobus Nicolaas (African Journal of Traditional, Complementary and Alternative Medicines, 2015)

Background: The aim of this study was to assess the antimycobacterial, antioxidant and the cytotoxic activities of the essential oil from the gall part of Pistacia atlantica Desf from Algeria. Materials and Methods: The ...
Power dissipation analysis in N2O RF discharges using Monte Carlo modelling

Yousfi, M; Younis, G; Despax, B; Caquineau, H (Journal of Physics D: Applied Physics, 2007-03-16)

In this paper, a microscopic approach for the calculation of partial and total power dissipation from energy losses by collisions is considered and applied in the case of N2O low pressure RF discharges. This approach is ...
Methods for probing the long-range dynamic of confined polymers in nanoparticles using small-angle neutron scattering

Yousfi, Mohamed; Rharbi, Yahya; Porcar, Lionel; Nawaz, Qamar (Canadian Journal of Chemistry, 2010-02-25)

Motivated by the recent advances in new technologies, a lot of effort has been dedicated to developing methods for quantifying the dynamic of nanoconfined polymers. Particularly, polymers confined in nanoparticles are an ...
The inhibitory effect of some algerian plants phenolics extracts on the α-glucosidase and α-amylase activities and their antioxidant activities

Yousfi, Mohamed; Khacheba, Ihcen; Djeridane, Amar; Kameli, Abdelkarim (Current Enzyme Inhibition, 2014-05-01)

The aim of this study consisted in extracting and quantifying phenolic and flavonoïds compounds of five selected Algerian plants. The second step was devoted to studying the effects of phenolic compounds on the ...

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