In the title complex, [Fe(C(10)H(6)N(3)O(4))(2)(H(2)O)(2)], the Fe(II) atom is located on an inversion centre and is trans-coordinated by two N,O-bidentate 5-carb-oxy-2-(3-pyrid-yl)-1H-imidazole-4-carb-oxy-l-ate ligands and two water mol-ecules, defining a distorted octa-hedral environment. A two-dimensional network of N-H⋯O and O-H⋯O hydrogen bonds extending parallel to (110) helps to stabiliz...

A novel, one-pot technique of synthesizing calcium phosphate whiskers was developed. Commercially available b-tricalcium phosphate (b-Ca3(PO4)2) powders were aged in unstirred 30% H2O2 solutions at 901C for 48 h in ordinary glass media bottles. Resultant samples consisted of whiskers (200 nm wide and 5 lmlong) of a biphasic mixture of octacalcium phosphate (OCP: Ca8H2(PO4)6 . 5H2O) and carbonat...

Octacalcium phosphate (OCP) coating was formed on the surface of Mg–Al–Zn–Ca alloy (AZX612) by anodically oxidized and subsequently immersed in a supersaturated aqueous solution containing calcium ion under ordinary temperature pressure. The OCP layer consisted both inner fine crystallites outer large crystallites, remained even after ultrasonication process. In simulated body fluid, AZX612 tre...

Calcium phosphate (Ca-P) coatings on zirconia bone implants have a great potential to improve the osseointegration of already existing ceramic implants, owing to their bone-bonding ability and high osteoconductive characteristics. In our study, we have prepared three different kinds of Ca-P coatings, namely the octacalcium phosphate (OCP), hydroxyapatite (HAp) and β-tricalcium phosphate (β-TCP)...

The aim of this study was to examine the effect of fluoride ion concentration on the morphology of calcium phosphate crystals grown on acid-etched enamel as a model for tooth enamel erosion. Samples were immersed in calcification solution for 16 h and changes in crystal morphology were monitored by field emission scanning electron microscopy. Without fluoride, plate-like octacalcium phosphate c...