Browsing Ústav chemie materiálů by Issue Date
Now showing items 1-20 of 28
-
Stability of collagen scaffold implants for animals with iatrogenic articular cartilage defoects
(University of Veterinary and Pharmaceutical Sciences in Brno, 2009-12-15)Synthesis and characterization of biodegradable hydrogels based on collagen modified by addition of synthetic biodegradable copolymer intended for preparation of porous scaffolds for mesenchymal stem cells used for possible ... -
Healing of Large Segmental Bone Defect after Implantation of Autogenous Cancellous Bone Graft in Comparison to Hydroxyapatite and 0.5% Collagen Scaffold Combined with Mesenchymal Stem Cells
(University of Veterinary and Pharmaceutical Sciences in Brno, 2010-04-06)At present, attention is focused on research into possibilities of healing large bone defects by the method of mini-invasive osteosynthesis, using implantation of biomaterials and mesenchymal stem cells (MSCs). This study ... -
Soluble collagen dissolution and assembling in pressurized carbon dioxide water solutions
(Budapest University of Technology, 2018-02-01)Dissolution and gelation procedures have a great influence on gelation time, microstructure and mechanical properties of reconstituted collagen products. We have investigated the dissolution of atelocollagen in CO2/water ... -
Characterization of Electroless Ni–P Coating Prepared on a Wrought ZE10 Magnesium Alloy
(MDPI, 2018-03-07)Electroless low-phosphorus Ni–P coating was deposited on a wrought ZE10 magnesium alloy including an advanced pre-treatment of the material surface before deposition. Uniform Ni–P coating with an average thickness of 10 ... -
Potential use of blast furnace slag for filtration membranes preparation: A pilot study
(IOP Publishing, 2018-07-12)This paper investigates the possibilities of the use of sodium hydroxide activated blast furnace slag for preparation of filtration barriers. The motivation for this research is searching for cheaper and more eco-friendly ... -
Further Progress in Functional Interlayers with Controlled Mechanical Properties Designed for Glass Fiber/Polyester Composites
(MDPI, 2018-08-16)Compatible interlayers must be coated on reinforcing fibers to ensure effective stress transfer from the polymer matrix to the fiber in high-performance polymer composites. The mechanical properties of the interlayer, and ... -
Protective Properties of a Microstructure Composed of Barrier Nanostructured Organics and SiOx Layers Deposited on a Polymer Matrix
(MDPI, 2018-08-31)The SiOx barrier nanocoatings have been prepared on selected polymer matrices to increase their resistance against permeation of toxic substances. The aim has been to find out whether the method of vacuum plasma deposition ... -
Effect of Selected Commercial Plasticizers on Mechanical, Thermal, and Morphological Properties of Poly(3-hydroxybutyrate)/ Poly(lactic acid)/Plasticizer Biodegradable Blends for Three-Dimensional (3D) Print
(MDPI, 2018-10-03)This paper explores the influence of selected commercial plasticizers structure, which are based on esters of citric acid, on mechanical and thermal properties of Poly(3-hydroxybutyrate)/Poly(lactic acid)/Plasticizer ... -
Optical Properties of Oxidized Plasma-Polymerized Organosilicones and Their Correlation with Mechanical and Chemical Parameters
(MDPI, 2019-02-12)Čistý tetravinylsilan a jeho směsi s kyslíkem byly použity k depozici oxidovaných plazmových polymerních filmů při různém efektivním výkonu (0,1-10 W) a různých kyslíkových frakcích (0-0,71) za použití RF pulzní plazmy. ... -
Plasma nanocoatings developed to control the shear strength of polymer composites
(MDPI, 2019-07-15)All reinforcements for polymer-matrix composites must be coated with a suitable material in the form of thin film to improve compatibility and interfacial adhesion between the reinforcement and the polymer matrix. In this ... -
Effect of curing environment on length changes of alkali-activated slag/cement kiln by-pass dust mixtures
(IOP Publishing, 2019-08-14)This paper investigates the combination of commonly used blast furnace slag (BFS) and quite non-traditional cement kiln by-pass dust (BD) for the preparation of alkali-activated binder. More specifically, the possibilities ... -
Stabilization of the ammonia in SNCR fly ash - the influence of tannins presence on the preparation of an autoclaved aerated concrete
(IOP Publishing, 2019-08-14)Thanks to the legislative regulations on NOx emissions, a selective non-catalytic reduction (SNCR) technology had been introduced to a coal combustion process in power plants. The valuable by-product, fly ash, contains ... -
Application of Isothermal and Isoperibolic Calorimetry to Assess the Effect of Zinc on Hydration of Cement Blended with Slag.
(MDPI, 2019-09-10)This work deals with the influence of zinc on cement hydration. The amount of zinc in cement has increased over recent years. This is mainly due to the utilization of solid waste and tires, which are widely used as a fuel ... -
Impact of sonochemical synthesis condition on the structural and physical properties of MnFe2O4 spinel ferrite nanoparticles
(ELSEVIER, 2020-03-01)Herein, we report sonochemical synthesis of MnFe2O4 spinel ferrite nanoparticles using UZ SONOPULS HD 2070 Ultrasonic homogenizer (frequency: 20 kHz and power: 70 W). The sonication time and percentage amplitude of ultrasonic ... -
Mechanical fracture characterization of alkali-activated slag mortars with standardized and natural sand
(EDP Sciences, 2020-03-05)This paper is focused on the development of the physical, mechanical and fracture characteristics of alkali-activated slag (AAS) mortars during ageing. The two AAS mortars were selected for the purpose of the experiment. ... -
Introducing the Newly Isolated BacteriumAneurinibacillussp. H1 as an Auspicious Thermophilic Producer of Various Polyhydroxyalkanoates (PHA) Copolymers-1. Isolation and Characterization of the Bacterium
(MDPI, 2020-05-29)Extremophilic microorganisms are considered being very promising candidates for biotechnological production of various products including polyhydroxyalkanoates (PHA). The aim of this work was to evaluate the PHA production ... -
Introducing the Newly Isolated BacteriumAneurinibacillussp. H1 as an Auspicious Thermophilic Producer of Various Polyhydroxyalkanoates (PHA) Copolymers-2. Material Study on the Produced Copolymers
(MDPI, 2020-06-05)Aneurinibacillussp. H1 is a promising, moderately thermophilic, novel Gram-positive bacterium capable of the biosynthesis of polyhydroxyalkanoates (PHA) with tunable monomer composition. In particular, the strain is able ... -
Well-Blended PCL/PEO Electrospun Nanofibers with Functional Properties Enhanced by Plasma Processing
(MDPI, 2020-06-22)Biodegradable composite nanofibers were electrospun from poly(epsilon-caprolactone) (PCL) and poly(ethylene oxide) (PEO) mixtures dissolved in acetic and formic acids. The variation of PCL:PEO concentration in the polymer ... -
Blastfurnace Hybrid Cement withWaste Water Glass Activator: Alkali–Silica Reaction Study
(MDPI, 2020-08-17)Hybrid systems represent a new sustainable type of cement combining the properties of ordinary Portland cement and alkali-activated materials. In this study, a hybrid system based on blast furnace slag and Portland clinker ... -
Optimization of cementitious composite for heavyweight concrete preparation using conduction calorimetry
(Springer, 2020-09-17)The present work investigates the hydration heat of different cement composites by means of conduction calorimetry to optimize the composition of binder in the design of heavyweight concrete as biological shielding. For ...