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Polarity-Based Sequential Extraction as a Simple Tool to Reveal the Structural Complexity of Humic Acids 

Enev, Vojtěch; Sedláček, Petr; Kubíková, Leona; Sovová, Šárka; Doskočil, Leoš; Klučáková, Martina; Pekař, Miloslav (MDPI, 2021-03-19)
A sequential chemical extraction with a defined series of eluotropic organic solvents with an increasing polarity (trichloromethane < ethyl acetate < acetone < acetonitrile < n-propanol < methanol) was performed on peat-bog ...
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A simple technique for assessing the cuticular diffusion of humic acid biostimulants 

Smilková, Marcela; Smilek, Jiří; Kalina, Michal; Klučáková, Martina; Pekař, Miloslav; Sedláček, Petr (BMC, 2019-07-31)
Background: Experimental determination of the extent and rate of transport of liquid humates supplied to plants is critical in testing of physiological effects of such biostimulants which are often supplied as foliar sprays. ...
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Introducing the Newly Isolated BacteriumAneurinibacillussp. H1 as an Auspicious Thermophilic Producer of Various Polyhydroxyalkanoates (PHA) Copolymers-2. Material Study on the Produced Copolymers 

Sedláček, Petr; Pernicová, Iva; Nováčková, Ivana; Kouřilová, Xenie; Kalina, Michal; Kovalčík, Adriána; Koller, Martin; Nebesářová, Jana; Krzyžánek, Vladislav; Hrubanová, Kamila; Másilko, Jiří; Slaninová, Eva; Trudičová, Monika; Obruča, Stanislav (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 ...
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Introducing the Newly Isolated BacteriumAneurinibacillussp. H1 as an Auspicious Thermophilic Producer of Various Polyhydroxyalkanoates (PHA) Copolymers-1. Isolation and Characterization of the Bacterium 

Pernicová, Iva; Nováčková, Ivana; Sedláček, Petr; Kouřilová, Xenie; Kalina, Michal; Kovalčík, Adriána; Koller, Martin; Nebesářová, Jana; Krzyžánek, Vladislav; Hrubanová, Kamila; Másilko, Jiří; Slaninová, Eva; Obruča, Stanislav (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 ...
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How Humic Acids Affect the Rheological and Transport Properties of Hydrogels 

Klučáková, Martina; Smilek, Jiří; Sedláček, Petr (MDPI, 2019-04-19)
Huminové kyseliny jsou považovány za látky s tzv. supramolekulární strukturou, jež je základem jejich unikátních vlastností a fungování v přírodě. Naše studie potvrdila, že již malý přídavek těchto látek do agarozových ...
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Multiscale experimental evaluation of agarose-based semi-interpenetrating polymer network hydrogels as materials with tunable rheological and transport performance 

Trudičová, Monika; Smilek, Jiří; Kalina, Michal; Smilková, Marcela; Adámková, Kateřina; Hrubanová, Kamila; Krzyžánek, Vladislav; Sedláček, Petr (MDPI, 2020-10-31)
This study introduces an original concept in the development of hydrogel materials for controlled release of charged organic compounds based on semi-interpenetrating polymer networks composed by an inert gel-forming polymer ...
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Incorporation of Natural Blueberry, Red Grapes and Parsley Extract by-Products into the Production of Chitosan Edible Films 

Jančíková, Simona; Dordevič, Dani; Sedláček, Petr; Kalina, Michal; Těšíková, Karolína; Bojan, Antonič; Tremlová, Bohuslava; Treml, Jakub; Nejezchlebová, Marcela; Vápenka, Lukáš; Rajchl, Aleš; Buláková, Monika (MDPI, 2021-10-01)
The aim of the research was to produce edible packaging based on chitosan with the addition of various concentrations of extracts of blueberry, red grape and parsley marcs. Packaging was made from extrudate extracts, which ...
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Controlling the internal microstructure and properties of physically cross-linked PVA hydrogels by the rate of freezing 

Trudičová, Monika; Zahrádka, Jan; Sedláček, Petr; Pekař, Miloslav (TANGER Ltd., 2021-01-01)
PVA hydrogels can be formed via physical crosslinking (e.g. by cyclic freezing/thawing of aqueous polyvinyl alcohol solutions) or with a chemical cross-linker. Physical crosslinking is more useful for biomedical applications ...
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Combination of Hypotonic Lysis and Application of Detergent for Isolation of Polyhydroxyalkanoates from Extremophiles 

Nováčková, Ivana; Kouřilová, Xenie; Mrázová, Kateřina; Sedláček, Petr; Kalina, Michal; Krzyzanek, Vladislav; Koller, Martin; Obruča, Stanislav (MDPI, 2022-04-26)
Production of polyhydroxyalkanoates (PHA), microbial biopolyesters, employing extremophilic microorganisms is a very promising concept relying on robustness of such organisms against microbial contamination, which provides ...
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High-Pressure Depolymerization of Poly(lactic acid) (PLA) and Poly(3-hydroxybutyrate) (PHB) Using Bio-Based Solvents: A Way to Produce Alkyl Esters Which Can Be Modified to Polymerizable Monomers 

Jašek, Vojtěch; Fučík, Jan; Ivanová, Lucia; Veselý, Dominik; Figalla, Silvestr; Mravcová, Ludmila; Sedláček, Petr; Krajčovič, Jozef; Přikryl, Radek (MDPI, 2022-12-01)
The polyesters poly(lactic acid) (PLA) and poly(3-hydroxybutyrate) (PHB) used in various applications such as food packaging or 3D printing were depolymerized by biobased aliphatic alcohols—methanol and ethanol with the ...
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Sedláček, Petr (11)
Kalina, Michal (6)Pekař, Miloslav (4)Trudičová, Monika (4)Hrubanová, Kamila (3)Klučáková, Martina (3)Koller, Martin (3)Kouřilová, Xenie (3)Krzyžánek, Vladislav (3)Nováčková, Ivana (3)... View MoreSubjecthydrogel (3)rheology (3)thermophiles (3)Aneurinibacillussp (2)diffusion (2)FTIR (2)humic acid (2)P(3HB-co-3HV-co-4HB) (2)P(3HB-co-4HB) (2)polyhydroxyalkanoates (2)... View MoreDate Issued2022 (3)2021 (3)2020 (3)2019 (2)

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