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a b s t r a c t The microscopic mechanism of O3 and CO sensing on WO3 surfaces is clarified by a first principle study. It is shown that ozone reduces to O2 on the (0 0 1) surface of WO3 decreasing… (More)
Abstract Computational study of NO 2 sensing on the WO 3 (0 0 1) surface is presented. Our ab initio calculations reveal a two-step process of NO 2 detection on the WO 3 surface. In a first step the… (More)
Abstract The gas response of tungsten trioxide (WO3) based sensors strongly depends on the surface properties. Reconstructed surfaces and oxygen point defects at the surface of the monoclinic WO3 are… (More)
Tris-dipicolinate lanthanide complex, Na3.[Ln(DPA)3], where DPA stands for pyridine-2,6 dicarboxylate, was used to obtain derivative crystals of hen egg-white lysozyme (HEWL). Derivative crystals… (More)
Plaster obtained by calcination of gypsum, is used for a long time as medical biomaterial. However, there has been limited research on the use of Moroccan gypsum for this application, although the… (More)
L'equipe micro-capteurs de l'IM2NP developpe des capteursde gaz dont le principe de detection est base sur la mesure de la variationde la conductance en presence de gaz. Le materiau utilise comme… (More)