Auteur Konstantinos D. Demadis
Documents disponibles écrits par cet auteur (4)
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Konstantinos D. Demadis, Auteur ; Eleftheria Mavredaki, Auteur ; Maria Somara, Auteur |The effect of various chemical additives (small molecules and polymers) on the dissolution of two kinds of colloidal silica (Aerosil 200 and laboratory-synthesized, SSD) is systematically studied at pH 10. The silica scale dissolvers tested are [...]
Article : texte imprimé
Konstantinos D. Demadis, Auteur ; Eleftheria Mavredaki, Auteur ; Maria Somara, Auteur |The effect of various environmentally friendly chemical additives and natural products on the dissolution of amorphous silica (Aerosil 200 and laboratory-synthesized, SSD) is studied. The silica scale dissolvers tested include the following: asc[...]
Article : texte imprimé
Konstantinos D. Demadis, Auteur ; Antonia Ketsetzi, Auteur ; Eva-Maria Sarigiannidou, Auteur |The catalytic role of Mg2+ ions in the polycondensation of silicic acid to form amorphous silica has been investigated in detail. This behavior is pH-dependent. As pH increases (herein, the three pH values 8.0, 9.0, and 9.5 were tested), the cat[...]
Article : texte imprimé
Konstantinos D. Demadis, Auteur ; Maria Paspalaki, Auteur ; Joanna Theodorou, Auteur |Herein, the controlled release of etidronic acid (hydroxyethylidene-bis(phosphonic) acid), an important drug for osteoporotic conditions, immobilized onto cationic polymeric matrices, such as polyethyleneimine (PEI) or cationic inulin (CATIN) is[...]
