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Information × Registration Number 0213U002012, 0110U003465 , R & D reports Title Isopoly and Heteropoly Compounds of d- and f-Elements and Modified Bioactive Calcium hydroxyapatite for Medicine. popup.stage_title Head Rozantsev Georgy Mihailovich, Доктор хімічних наук Registration Date 03-01-2013 Organization Donetsk National University popup.description2 The study of the effect of phosphorus and silicon-containing source components, their ratio, temperature and pH of synthesis, on the composition of the powders obtained by precipitation from aqueous solutions. On the basis of the results obtained the techniques of synthesis of silicon substituted apatites Si-HA (1,4-4,3 wt.% Si) were developed. By the use of methods RSMA, X-ray and FTIR-spectroscopy chemical and phase composition of silicon substituted apatites was investigated, described by the formula Ca10[(PO4)6-х(SiO4)х](OH)2-x, де х=0,5; 1,0 та 1,5 (1,41-4,32 wt.% Si respectively). By using of the methods of HNМR, FTIR and DТА were interpreted ОНn-groupings, which are part of the third group elements paratungstates. The results of these analyzes were used to determine the nature thermal conversion process and to set the procedures of salt oxolation according to scheme. The behavior of calcium hydroxyapatite with resorcinol and acetylsalicylic acid was studied, the new mixture for medical compositions for color correction of teeth was proposed, for the formation of new bone structures and treatment of periodontitis. The conditions of crystalline heteropolyhexatungstonikelate potassium salt were established, the anion in the salt structure belongs to the type of Anderson. XRD revealed that the products of thermolysis (500°C) is the phase of explanatory variables K4NiW6O21 with face-centered cubic structure of the type of pyrochlore К8/7Ni2/7W12/7O6. X-ray analysis of the thermolysis products of К4[Ni(OH)6W6O18]4H2O at 800°С shows that there is a destruction of the intermediate phase. Product Description popup.authors Білоусова Катерина Євгенівна Божій Олександра Сергіївна Вавілова Світлана Михайлівна Гумерова Надія Ісмагілівна Заславська Людмила Володимирівна Пилипенко Анастасія Олегівна Пойманова Олена Юріївна Радіо Сергій Вікторович Харченко Максим Сергійович Хаустов Данило Володимирович popup.nrat_date 2020-04-02 Close