Effect of a High Silver Stress on the Element Transfers from a Smectite-Type Clay Substrate to Plants
Khadija Semhi, Norbert Clauer, Sam Chaudhuri, René Boutin, Mohamed Hassan

Aspects on the Mechanism of the 1-Phenyl-1H-pyrazolo[3,4-b]quinoxaline Formation
Mohamed A. Mostafa, Salah L. Aboulela, Mohammed A. E. Sallam, Farida F. Louis, Thorleif Anthonsen

Synthesis of Novel Hexathiolated Squalene and Its Thiol-Ene Photopolymerization with Unsaturated Monomers
Ricardo Acosta Ortiz, Ena Adeligna Obregón Blandón, Ramiro Guerrero Santos

Composition of the Volatile Components Extracted from the Roots of Scorzonera undulata ssp deliciosa (Guiss) Maire: From Algeria
Brahim Harkati, Salah Akkal, Marie Genevieve Dijoux Franca

A Novel Immunological Technique for Detection of Gramicidin (S) Producing Bacteria
Fouad Houssein Kamel