Biomedical subjects

Ahmed Driss

Publications and source records attributed to Ahmed Driss.

3 recordsLinked to original sources

PubMed2006

[Preparation and structural study of NH(4)Gd(PO(3))(4) and NH(4)GdP(4)O(12)].

Ammonium gadolinium polyphosphate, NH(4)Gd(PO(3))(4), (I), and ammonium gadolinium cyclotetraphosphate, NH(4)GdP(4)O(12), (II), were synthesized by flux growth with excess (NH(4))(2)HPO(4). In (I), the PO(4) tetrahedra share vertices to produce corrugated ribbons along the c direction, while in (II) they form P(4)O(12) rings arranged in layers perpendicular to the c axis. In both structures, isolated GdO(8) polyhedra link the phosphate anions into a three-dimensional framework with channels containing the NH(4)(+) cations. The Gd and N atoms are located in general positions in (I) and on twofold axes in (II).

English Abstract↗

PubMed2004

[Beta-LiMoO2(AsO4)].

Explore the source record for details and available documents.

Journal Article↗

PubMed2001

AgCo3PO4(HPO4)2.

The structure of the hydrothermally synthesized compound AgCo3PO4(HPO4)2, silver tricobalt phosphate bis(hydrogen phosphate), consists of edge-sharing CoO6 chains linked together by the phosphate groups and hydrogen bonds. The three-dimensional framework delimits two types of tunnels which accommodate Ag+ cations and OH groups. The title compound is isostructural with the compounds AM3H2(XO4)3 (A = Na or Ag, M = Co or Mn, and X = P or As) of the alluaudite structure type.

Journal Article↗