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Technická 5
166 28 Prague 6 – Dejvice
IČO: 60461337
VAT: CZ60461373
Czech Post certified digital mail code: sp4j9ch
Copyright UCT Prague 2017
Informations provided by the Dean's Office. Technical support by the Computing Centre.
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[obsah] => Nobel Prize winner Vlado Prelog, versatile chemist Emil Votoček, inventor of soft contact lenses Otto Wichterle and many other prominent FCHT graduates helped enhance the fields of study taught at the faculty. At present, these fields embrace development of new (bio) materials with unique properties, alternative sources of energy preparation with (as yet) unknown substances and new medical drugs, and even methods for preserving national cultural heritage. We are training experts who shift the boundaries of knowledge while being aware of their responsibility for maintaining the fragile natural balance. As the classic has put it: "Cherchez chemie!" How true.
We offer studies in interesting and promising directions of advanced chemistry
- Biomaterials for medical purposes (metallic, ceramic and polymeric implants)
- Materials of special properties (nanomaterials, optical waveguides, superconductors)
- Catalysis, reactor engineering, modeling and informatics in chemistry
- Drugs synthesis and manufacturing
- Pharmaceuticals, fragrances, chemical specialties
- Glass, ceramics; crystals; plastics, rubbers
- Conservation and restoration of historical monuments (metallic, wooden and stone)
Research and Development
Research and development activities in the faculty are oriented around basic and applied research in chemistry, chemical technology, and the chemistry of materials (metallic, inorganic non-metallic, polymeric and composite). The faculty is important partner for the chemical and materials industries in both the Czech Republic and abroad.
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Research and Development
Research and development activities in the faculty are oriented towards basic and applied research in chemistry, chemical technology, and the chemistry of materials (metallic, inorganic non-metallic, polymeric and composite). The faculty is an important partner forchemical and materials industries both in the Czech Republic and abroad.
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Chemistry and Technology of Materials
- Development of new metals, polymers, and ceramic materials
- Biomaterials for medicinal use
- Corrosion
- Composite materials
- Superconductors and materials for optoelectronics
- Microanalytical methods and methods of analysis of structural and phase analysis of materials
- Physical chemistry methods for solid materials surface modification
- Chemical stability of materials of monuments
- Solving problems in the polymorphism of substances.
Chemistry and Chemical Technology
- Design and optimization of chemical and electrochemical reactors
- Kinetics of catalyzed and non-catalyzed reactions
- Preparation and characterization of novel catalysts
- Modelling and simulation of chemical processes
- Chemical processes waste treatment
- Fine chemicals
- Chemical and electrochemical synthesis of novel compounds
- Development, optimization and theoretical study of pharmaceutical processes
The faculty offers expert consultation and development work in all of the above areas. Individual departmental pages contain more detailed information about research activities.
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[seo_title] => TRIS buffer in simulated body fluid distorts the assessment of glass–ceramic scaffold bioactivity
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[obsah] => TRIS buffer in simulated body fluid distorts the assessment of glass–ceramic scaffold bioactivity
Dana Rohanová1, Aldo Roberto Boccaccini2,3, Darmawati Mohamad Yunos2, Diana Horkavcová1, Iva Březovská1, Aleš Helebrant1
1Department of Glass and Ceramics, Institute of Chemical Technology, Technická 5, 166 28 Prague 6, Czech Republic, 2Department of Materials, Imperial College, London, Prince Consort Road, London SW7 2BP, UK,3Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen–Nuremberg, 91058 Erlangen, Germany
Acta Biomaterialia 7, (2011) 2623-2630, IF=5.093
The bioactive materials are often tested in simulated body fluid (SBF). This solution is mimicking the inorganic part of blood plasma and it is usually buffered with tris-(hydroxymethyl) aminomethane (TRIS). The presented study demonstrated the significant effect of the TRIS on interaction between the bioactive material and SBF which could influence the in vitro tests of bioactivity of biomaterials.
The glass-ceramic scaffold derived from Bioglass (containing 77 wt.% of crystalline phases Na2O.2CaO.3SiO2 and CaO.SiO2 and 23 wt.% of residual glass phase) was leached in different solutions. The glass-ceramic scaffold was exposed to a series of in vitro tests using different media as follows: (i) a fresh liquid flow of SBF containing tris (hydroxy-methyl) aminomethane; (ii) SBF solution without TRIS buffer; (iii) TRIS buffer alone; and (iv) demineralised water. The original results of SBF-scaffold interaction were found. SBF buffered with TRIS dissolved both the crystalline and residual glass phases of the scaffold and a crystalline form of hydroxyapatite (HAp) developed on the scaffold surface. In contrast, when TRIS buffer was not present in the solutions only the residual glassy phase dissolved and an amorphous calcium phosphate (Ca-P) phase formed on the scaffold surface. It was confirmed that the TRIS buffer primarily dissolved the crystalline phase of the glass-ceramic, doubled the dissolving rate of the scaffold and moreover supported the formation of crystalline HAp. This significant effect of the buffer TRIS on bioactive glass-ceramic scaffold degradation in SBF has not been demonstrated previously and should be considered when analysing the results of SBF immersion bioactivity tests of such systems.
The tested material was prepared by co-authors at Imperial College. The interaction of this material with simulated body fluids was studied at Dept. of Glass and Ceramics ICT Prague. The interpretation of interaction between scaffold and different solutions was based on discussion of all authors.
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