mamdouh.fawzi

Mamdouh Fawzy Ahmed Mohamed

Lecturer - Lecturer of Pharmaceutical Chemistry, Head of Pharmaceutical Chemistry Department Lab and Co-ordinate of Clinical Pharmacy Program

Faculty of Pharmacy

Address: Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Sohag University, 82524 Sohag, Egypt

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Publications Which contain the keyword: DRIFTS

Design and control of Lewis acid sites in Sn-substituted microporous architectures

2018-11-01 02:47:53 Keywords XRD, DRIFTS, Solid state DR UV/Vis, Solid state NMR, DFT Calculations, EXAFS, Lewis active sites, Designing active sites,
Design and control of Lewis acid sites in Sn-substituted microporous architectures
Monometallic and bimetallic tin-containing framework architectures have been prepared by hydrothermal methods. Structural and spectroscopic techniques were used to probe the nature of the solid-acid sites, at the molecular level, using a combination of XRD, DR UV-Vis, solid state MAS NMR (119Sn, 27Al and 31P) and XAFS. The nature and strength of the solid-acid sites were experimentally probed by FT-IR ... Read more

In situ spectroscopic investigations of MoOx/Fe2O3 catalysts for the selective oxidation of methanol

2018-11-01 02:56:32 Keywords In situ, Advanced spectroscopy, EXAFS, MoOx/Fe2O3, DRIFTS, Methanol oxidation,
In situ spectroscopic investigations of MoOx/Fe2O3 catalysts for the selective oxidation of methanol
Multicomponent oxide shell@core catalysts have been prepared, affording overlayers of MoO_x_ on Fe2O3. This design approach allows bulk characterization techniques, such as X-ray Absorption Fine Structure (XAFS), to provide surface sensitive information. Coupling this approach with _in situ_ methodologies provides insights during crucial catalytic processes. Calcination studies were followed by a combination of XAFS and Raman, and demonstrate that amorphous ... Read more

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