patterns and NMR spectra of all salts were recorded and compared with those found in literature [1, 5-7, 12-14] to confirm the formation and purity of prepared salts of omeprazole.
data agrees with the results of the FTIR analysis.
data were obtained on a computer-controlled Philips X'Pert PRO, with Bragg-Brentano [theta]-[theta] geometry.
The observed line shape in powder diffraction consists of a convolution of contributions from the instrument optics, referred to as the geometric profile, the emission spectrum, and the specimen, as shown diagrammatically for divergent beam XRPD
014.Mineral phases were studied by X-ray powder diffraction (XRPD
) using a Rigaku D/MAX IIIB powder diffractometer working in Bragg-Brentano geometry and equipped with a NaI(Tl) scintillation detector.
Abbreviations CUR: Curcumin PSN: Polymeric self-emulsifying nanocapsules XRPD
: X-ray powder diffraction HPMCAS-HF: Hydroxy propyl methyl cellulose acetate succinate-HF SGF: Simulated gastric fluid SIF: Simulated intestinal fluid FbD: Formulation by design CAS: Chemical abstract service LFCC: Lauroglycol FCC C-90: Capryol 90 RSM: Response surface methodology BBD: Box-Behnken design A-200: Aerosil 200 DS: Design space QbD: Quality by design HPLC: High performance liquid chromatography PCS: Photon correlation spectroscopy SEM: Scanning electron microscope TEM: Transmission electron microscope PVA: Polyvinyl alcohol GIT: Gastrointestinal tract ICH: International conference on harmonization COX: Cyclooxygenase.
Pellets were further characterized by X-ray powder diffraction (XRPD
) and polarized light microscopy (PLM).
All the samples were pressed gently in to aluminum/glass holders before loading each of them on XRPD
According to X-Ray Powder Diffraction (XRPD
), the samples contain a well-formed crystalline phase.
patterns of samples were recorded at room temperature on Bruker D8 advance diffractometer (Bruker, Germany) with Cu Ka radiation (1.54 [Angstrom]), at 40 kV, 40 mA passing through nickel filter.
The complexes were characterized by AAS, Conductivity, TLC, infrared, UV-Vis spectroscopy and XRPD
. The complexes are generally soluble in methanol, DMSO but insoluble in non-polar organic solvent.
The structure of the product formed was characterized by elemental analysis, AAS, conductivity, TLC, infrared, UV-Vis spectroscopy and XRPD
. In all the complexes formed, the ligand coordinated through the nitrogens of the amine group, sulphur atom and nitrogen of the cyanide group.