• The Effect of the Thermosensitive Biodegradable PLGA–PEG–PLGA Copolymer on the Rheological, Structural and Mechanical Properties of Thixotropic Self-Hardening Tricalcium Phosphate Cement 

  Vojtová, Lucy; Michlovská, Lenka; Valová, Kristýna; Zbončák, Marek; Trunec, Martin; Částková, Klára; Krtička, Milan; Pavliňáková, Veronika; Poláček, Petr; Dzurov, Matej; Lukášová, Věra; Rampichová, Michala; Suchý, Tomáš; Sedláček, Radek; Ginebra, Maria-Pau; Montufar Jimenez, Edgar Benjamin (MDPI, 2019-01-17)

  The current limitations of calcium phosphate cements (CPCs) used in the field of bone regeneration consist of their brittleness, low injectability, disintegration in body fluids and low biodegradability. Moreover, no method ...

• In-situ self-assembly of silica nanoparticles into microfibers with potential to reinforce polymers 

  Zárybnická, Klára; Ondreáš, František; Lepcio, Petr; Chen, Chao; Jančář, Josef (Tanger, 2020-10-01)

  Silica nanosphere with a diameter of 10–15 nm were organized into fibers with a lenght of 15 mm and an aspect ratio of 100 by self-assembly in 1,4-dioxane. Dioxane causes a positive zeta potential on the silica surface ...

• Green synthesis and the stablization of selenium nanoparticles using carboxylmethyl starch 

  Vishakha, Vishakha; Abdellatif, Abdelmohsan; Jančář, Josef (Tanger, 2020-12-28)

  The growing interest in biodegradable products paves the way for the safest sustainable earth. Starch is an extensively studied, cost-effective, easily accessible, and highly trusted resource to produce biodegradable ...

• Femoral bone defect healing using two novel biocompatible degradable materials 

  Srnec, Robert; Nečasová, Andrea; Proks, Pavel; Skoric, Misa; Filipejová, Zita; Vojtová, Lucy; Nečas, Alois (Acta Veterinaria Brno, 2020-05-26)

  This study was conducted as an in vivo experiment in adult miniature pigs with the aim to test two new biomaterials. An iatrogenic defect was made into the central femoral diaphysis in the experimental animals and subsequently ...

• Crushed bricks as aggregate in cement based binder 

  Palovčík, Jakub; Opravil, Tomáš; Šoukal, František; Másilko, Jiří (IOP Publishing, 2020-06-03)

  The work deals with the impact of crushed brick on properties of Portland cement binder. The source of brick recycled materials is not only the demolition waste, but also the waste from brick production. One way to reduce ...

• The influence of alkaline activator on immmoblization of metals in alkali-activated blast furnace slag 

  Bystrianska, Emília; Koplík, Jan (IOP Publishing, 2020-06-03)

  In this work the influence of alkaline activator on immobilization of lead and copper in alkali-activated blast furnace slag was investigated. A total of five alkali activators were used; sodium waterglass, potassium ...

• PEO of AZ31 Mg Alloy: Effect of Electrolyte Phosphate Content and Current Density 

  Hadzima, Branislav; Kajánek, Daniel; Jambor, Michal; Drábiková, Juliána; Březina, Matěj; Buhagiar, Joseph; Pastorková, Jana; Jacková, Martina (MDPI, 2020-12-17)

  In this work, the quality of coatings prepared by plasma electrolytic oxidation (PEO) on an AZ31 magnesium alloy were evaluated. This was done by studying the effects of the chemical composition of phosphate-based process ...

• The adhesion of plasma nanocoatings controls the shear properties of GF/polyester composite 

  Plichta, Tomáš; Širjovová, Veronika; Zvonek, Milan; Kalinka, Gerhard; Čech, Vladimír (MDPI, 2021-02-16)

  High-performance fibre-reinforced polymer composites are important construction materials based not only on the specific properties of the reinforcing fibres and the flexible polymer matrix, but also on the compatible ...

• Influence of alkali-activated materials placement during curing on their dynamic parameters 

  Plšková, Iveta; Matysík, Michal; Topolář, Libor; Bílek, Vlastimil (EDP Sciences, 2020-04-16)

  The production of Portland cement has a considerable environmental impact. Its replacement with alkali-activated binders can contribute to reducing the environmental burden of building production. The paper presents partial ...

• Effect of Porosity Gradient on Mechanical Properties of Cellular Nano-Composites 

  Jančář, Josef; Zárybnická, Klára; Žídek, Jan; Kučera, František (MDPI, 2020-03-01)

  With their hierarchical architectures incorporating gradients in composition, porosity, and orientation, natural materials have evolved optimized balance of mechanical properties. Deciphered from the structure of bamboo, ...

• Blastfurnace Hybrid Cement with Waste Water Glass Activator: Alkali-Silica Reaction Study 

  Kalina, Lukáš; Bílek, Vlastimil; Bradová, Lada; Topolář, Libor (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 ...

• Impact of sonochemical synthesis condition on the structural and physical properties of MnFe2O4 spinel ferrite nanoparticles 

  Yadav, Raghvendra Singh; Kuřitka, Ivo; Vilčáková, Jarmila; Jamatia, Thaiskang; Machovský, Michal; Škoda, David; Urbánek, Pavel; Masař, Milan; Urbánek, Michal; Kalina, Lukáš; Havlica, Jaromír (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 ...

• Concrete Based on Clinker-Free Cement: Selecting the Functional Unit for Environmental Assessment 

  Smirnova, Olga; Kazanskaya, Liliya; Koplík, Jan; Hongbo, Tan; Gu, Xianyue (MDPI, 2020-12-25)

  Improving the environmental situation and obtaining cement composites with new properties for various operating conditions is possible with the use of secondary resources. The paper is devoted to the criteria for evaluating ...

• Excellent, Lightweight and Flexible Electromagnetic Interference Shielding Nanocomposites Based on Polypropylene with MnFe2O4 Spinel Ferrite Nanoparticles and Reduced Graphene Oxide 

  Yadav, Raghvendra Singh; Jamatia, Thaiskang; Kuřitka, Ivo; Vilčáková, Jarmila; Škoda, David; Urbánek, Pavel; Machovský, Michal; Masař, Milan; Urbánek, Michal; Kalina, Lukáš; Havlica, Jaromír (MDPI, 2020-12-10)

  In this work, various tunable sized spinel ferrite MnFe2O4 nanoparticles (namely MF20, MF40, MF60 and MF80) with reduced graphene oxide (RGO) were embedded in a polypropylene (PP) matrix. The particle size and structural ...

• Optimization of cementitious composite for heavyweight concrete preparation using conduction calorimetry 

  Dragomirová, Janette; Palou, Martin; Kuzielova, Eva; Žemlička, Matúš; Novotný, Radoslav; Gméling, Katalin (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 ...

• Use of Isothermal and Isoperibolic Calorimetry to Study the Effect of Zinc on Hydration of Cement Blended with Fly Ash 

  Šiler, Pavel; Kolářová, Iva; Novotný, Radoslav; Másilko, Jiří; Bednárek, Jan; Janča, Martin; Koplík, Jan; Hajzler, Jan; Matějka, Lukáš; Marko, Michal; Švec, Jiří; Zlámal, Martin; Kuzielova, Eva; Opravil, Tomáš; Šoukal, František (MDPI, 2020-11-18)

  Increasing utilization of secondary raw materials and alternative fuels results in increasing contents of metals in cements. Zinc is one of these elements. It comes to cement with secondary raw materials such as slag or ...

• Synergistic Effect of Chitosan and Selenium Nanoparticles on Biodegradation and Antibacterial Properties of Collagenous Scaffolds Designed for Infected Burn Wounds 

  Dorazilová, Jana; Muchová, Johana; Šmerková, Kristýna; Kočiová, Silvia; Diviš, Pavel; Kopel, Pavel; Veselý, Radek; Pavliňáková, Veronika; Adam, Vojtěch; Vojtová, Lucy (MDPI, 2020-10-05)

  A highly porous scaffold is a desirable outcome in the field of tissue engineering. The porous structure mediates water-retaining properties that ensure good nutrient transportation as well as creates a suitable environment ...

• FDM 3D Printed Composites for Bone Tissue Engineering Based on Plasticized Poly(3-hydroxybutyrate)/poly(d,l-lactide) Blends 

  Melčová, Veronika; Chaloupková, Kateřina; Menčík, Přemysl; Kontárová, Soňa; Rampichová, Michaela; Hedvičáková, Věra; Sovková, Věra; Přikryl, Radek; Vojtová, Lucy (MDPI, 2020-11-27)

  Tissue engineering is a current trend in the regenerative medicine putting pressure on scientists to develop highly functional materials and methods for scaffolds’ preparation. In this paper, the calibrated filaments for ...

• Recycling possibilities of bioplastics based on PLA/PHB blends 

  Plavec, Roderik; Hlaváčiková, Slávka; Omaníková, Leona; Feranc, Jozef; Vanovčanová, Zuzana; Tomanová, Katarína; Bočkaj, Ján; Kruželák, Ján; Medlenová, Elena; Gálisová, Ivana; Danišová, Lucia; Přikryl, Radek; Figalla, Silvestr; Melčová, Veronika; Alexy, Pavol (Elsevier, 2020-09-29)

  The study is focused on modelling the evaluation of recyclability of the biodegradable blend using multiple extrusion of selected composition of PLA/PHB blend which had been more deeply studied before. It was shown that ...

• Printability, Mechanical and Thermal Properties of Poly(3-Hydroxybutyrate)-Poly(Lactic Acid)-Plasticizer Blends for Three-Dimensional (3D) Printing 

  Kontárová, Soňa; Přikryl, Radek; Melčová, Veronika; Menčík, Přemysl; Horálek, Matyáš; Figalla, Silvestr; Plavec, Roderik; Feranc, Jozef; Sadílek, Jiří; Pospíšilová, Aneta (MDPI, 2020-10-23)

  This paper investigates the effect of plasticizer structure on especially the printability and mechanical and thermal properties of poly(3-hydroxybutyrate)-poly(lactic acid)-plasticizer biodegradable blends. Three plasticizers, ...

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