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Dive into the research topics where nan A.Abourriche is active.

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Featured researches published by nan A.Abourriche.


Phytochemistry | 1999

Methoxybifurcarenone: an antifungal and antibacterial meroditerpenoid from the brown alga Cystoseira tamariscifolia

Ahmed Bennamara; A.Abourriche; Mohamed Berrada; M'hamed Charrouf; Nezha Chaib; Mohammed Boudouma; François X. Garneau

A meroditerpenoid metabolite has been isolated from the brown alga Cystoseira tamariscifolia and characterized as methoxybifurcarenone, by spectral analysis. Methoxybifurcarenone possesses antifungal activity against three tomato pathogenic fungi: Botrytis cinerea, Fusarium oxysporum sp. mycopersici and Verticillium alboatrum and antibacterial activity against Agrobacterium tumefaciens and Escherichia coli.


Journal of Forensic Research | 2015

LC-MS/MS Analysis of MDMA in Ecstasy Tablets in Morocco

Belafkih B; S.Belouafa; Ahmed Bennamara; Skalli A; A.Abourriche

Ecstasy is a popular name designated for 3,4-methylenedioxymethamphetamine (MDMA). It displays effects related to amphetamine-type drugs and a set of distinctive effects like restlessness, well-being, and others effects. The aim of this work is to analyze ecstasy tablets seized in Morocco; studying their MDMA contents and their MDMA contents variations. We collected 12 batches of samples seized by Morocco Police that were analyzed by liquid chromatography coupled to tandem Mass Spectrometry to determine MDMA concentration presents in these tablets. The method was also validated in the following parameters: linearity, limits of detection and of quantification, precision and accuracy, to permit the MDMA quantification. A great variability among ecstasy tablets compositions was detected and the toxicological features were discussed.


IOSR Journal of Applied Chemistry | 2014

Chemical recycling of carbon fibers-reinforced phenolic resin composites by phenol in subcritical conditions

Mina Oumam; A.Abourriche; Abdelkrim Abourriche; Marc Birot; René Pailler; R. Naslain; H. Hannache

In this work, a composite prepared with a phenolic matrix and reinforced with carbon fibers was subjected to degradation by phenol under subcritical conditions. Phenol was able to solubilize the resin matrix under relatively mild conditions (T ≤ 390 °C, P < 0.5 MPa) without altering the carbon fibers, as confirmed by scanning electron microscopy and by mechanical characterization of the fibers recovered after heat treatment.


Frontiers in Marine Science | 2016

Chemical characterization of Cinachyrella tarentina: Sponge of Atlantic Moroccan Coast

Meriem Tarbaoui; Zineb Rhandour; Belkassem El Amraoui; Mina Oumam; Ahmed Bennamara; A.Abourriche

Currently, marine organisms are a very important source of new molecules in pharmacology and thus in the development of new bioactive products. Sponges, in particular, given their very primitive origin and persistence during evolution, have developed a chemical defense system.The chemical study of Cinachyrella tarentina, marine sponge recognized by its antibacterial and antifungal activity was investigated for the first time in Morocco. The screening of Cinachyrella tarentina revels that it contains different levels of primary and secondary metabolites. The dosage of polyphenols was carried out using the reagent Foulin-Ciocalteu. The antioxidant activity was evaluated by the DPPH test. The fatty acid composition determined by Gas chromatography-mass spectrometry (GC/MS) showed a predominance of palmitic and stearic acids. Furthermore, we found the presence of several sterols which cholesterol and sitosterol are the most abundants.


IOSR Journal of Applied Chemistry | 2014

Optimization of conditions for the preparation of new adsorbent material from residues of marine algae applying a response surface methodology

Meriem Tarbaoui; Mina Oumam; N Fakhfakh; M.Charrouf; M. Berrada; Ahmed Bennamara; A.Abourriche

An experimental design has been drawn up to optimize the experimental conditions of the preparation of an adsorbent material from residues of marine algae. A series of adsorbent materials have been prepared by chemical activation with phosphoric acid. Central composite design (CCD) was applied to study the influence of activation temperature, activation time and percentage of phosphoric acid on the chemical activation process of adsorbent material. Two quadratic models were developed for yield of adsorbent material and methylene blue adsorption capacity using Design-Expert software NEMRODW. The models were used to calculate the optimum operating conditions for preparation of adsorbent material providing a compromise between yield and adsorption capacity of the process. The optimal conditions with 93.77% of methylene blue adsorption capacity and 66.14 % of adsorbent material yield are obtained when using 150 min as activation time, 225°C as activation temperature and 70% as percentage of phosphoric acid.


Research on Chemical Intermediates | 2012

5-Naphthylazo-8-hydroxyquinoline (5NA8HQ) as a novel corrosion inhibitor for mild steel in hydrochloric acid solution

Y. Abboud; B. Hammouti; A.Abourriche; Ahmed Bennamara; H. Hannache


Journal of Supercritical Fluids | 2009

Effect of toluene proportion on the yield and composition of oils obtained by supercritical extraction of Moroccan oil shale

A.Abourriche; M. Oumam; Hassan Hannache; A. Adil; René Pailler; R. Naslain; Marc Birot; J.-P. Pillot


Journal of Supercritical Fluids | 2008

New pitches with very significant maturation degree obtained by supercritical extraction of Moroccan oil shales

A.Abourriche; A. Adil; Mina Oumam; Hassan Hannache; René Pailler; R. Naslain; Marc Birot; J.-P. Pillot


Journal of Supercritical Fluids | 2013

Comparative studies on the yield and quality of oils extracted from Moroccan oil shale

A.Abourriche; Mina Oumam; H. Hannache; Marc Birot; Y. Abouliatim; A. Benhammou; Y. El Hafiane; Abdelkrim Abourriche; René Pailler; R. Naslain


International Journal of Sciences: Basic and Applied Research | 2014

Characterization of a Dialdehyde Chitosan Generated by Periodate Oxidation

I. Charhouf; Ahmed Bennamara; A.Abourriche; A. Chenite; J. Zhu; M. Berrada

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R. Naslain

University of Bordeaux

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Marc Birot

University of Bordeaux

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A. Benhammou

École Normale Supérieure

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G. Chollon

University of Bordeaux

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Y. Abouliatim

École Normale Supérieure

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Y. El Hafiane

École Normale Supérieure

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