Jitka Procházková

Institute of Soil Biology

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IŠ

Ivo Šafařı́k

Institute of Soil Biology

Kristýna Pospíšková

Palacký University Olomouc

Eva Baldíková

Czech Academy of Sciences, Biology Centre

P. Kopčanský

Institute of Experimental Physics of the Slovak Academy of Sciences

M. Timko

Slovak Academy of Sciences

Michal Rajňák

Institute of Experimental Physics of the Slovak Academy of Sciences

Josef Kuthan

Ricardo Prague (Czechia)

Sindy Müllerová

Czech Academy of Sciences, Biology Centre

MŠ

Mirka Šafařı́ková

Czech Academy of Sciences, Biology Centre

Jaroslav Matoušek

Czech Academy of Sciences, Biology Centre

Cooperative Institutions

Czech Academy of Sciences

Czech Academy of Sciences, Biology Centre

Institute of Experimental Physics of the Slovak Academy of Sciences

Slovak Academy of Sciences

Charles University

Masaryk University

Institute of Plant Molecular Biology

Dawood University of Engineering and Technology

Technical University of Košice

Palacký University Olomouc

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Vybrané diagnostické metody lékařské imunologie

Jitka Procházková Ctirad John

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Citations (1)

Textile bound methyltrioctylammonium thiosalicylate ionic liquid for magnetic textile solid phase extraction of copper ions

Journal of Molecular Liquids (2019)

Ivo Šafařı́k Jitka Procházková Eva Baldíková Kristýna Pospíšková

Solid phase extraction

Saturation (graph theory)

Textile

10.1016/j.molliq.2019.111910

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Citations (12)

Magnetic Nanoparticles Change the Properties of Traditional Materials and Open up New Application Possibilities

CRC Press eBooks (2023)

P. Kopčanský Lucia Balejčíková Matúš Molčan Oliver Štrbák Ivo Šafařı́k

In recent years, development of magnetic nanoparticles has been in the forefront of material research and development. Researchers have increasingly become interested in new ways of preparation, modification and characterization of magnetic nanoparticles. Using external fields has become extremely important. Various methods have been developed to reach a better quality of samples for further application in technology. This chapter discusses magnetic fluids and their composite systems as bioinspired magnetic nanoparticles, textiles, fibers, transformer oil based magnetic fluids or liquid crystals. The described materials and processes have a great application potential in biomedicine and techniques.

10.1201/9781003274247-11

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Biochars and their magnetic derivatives as enzyme-like catalysts mimicking peroxidases

Biochar (2020)

Ivo Šafařı́k Jitka Procházková Eva Baldíková Hans‐Peter Schmidt Witold Kwapiński

10.1007/s42773-020-00035-5

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Citations (11)

On dihydropyridines. XV. Reactions of some 3,5-dicyanopyridines with complex aluminum hydrides

Collection of Czechoslovak Chemical Communications (1968)

Josef Kuthan Jitka Procházková E. Janečková

10.1135/cccc19683558

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Citations (4)

Magnetically modified macroalgae Cymopolia barbata biomass as an adsorbent for safranin O removal

Materials Chemistry and Physics (2018)

Sindy Müllerová Eva Baldíková Jitka Procházková Kristýna Pospíšková Ivo Šafařı́k

Safranin

Biosorption

Exothermic reaction

Langmuir adsorption model

Isothermal process

10.1016/j.matchemphys.2018.12.074

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Citations (52)

Myopie nebo hypermetropie

Česká a slovenská oftalmologie (2013)

Petra Pašová Jitka Procházková Ján Čúvala

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Magnetically Modified Agricultural and Food Waste: Preparation and Application

Journal of Agricultural and Food Chemistry (2018)

Ivo Šafařı́k Eva Baldíková Jitka Procházková Mirka Šafařı́ková Kristýna Pospíšková

The annual food and agricultural waste production reaches enormous numbers. Therefore, an increasing need to valorize produced wastes arises. Waste materials originating from the food and agricultural industry can be considered as functional materials with interesting properties and broad application potential. Moreover, using an appropriate magnetic modification, smart materials exhibiting a rapid response to an external magnetic field can be obtained. Such materials can be easily and selectively separated from desired environments. Magnetically responsive waste derivatives of biological origins have already been prepared and used as efficient biosorbents for the isolation and removal of both biologically active compounds and organic and inorganic pollutants and radionuclides, as biocompatible carriers for the immobilization of diverse types of (bio)molecules, cells, nano- and microparticles, or (bio)catalysts. Potential bactericidal, algicidal, or anti-biofilm properties of magnetic waste composites have also been tested. Furthermore, low cost and availability of waste biomaterials in larger amounts predetermine their utilization in large-scale processes.

Biocompatible material

Agricultural waste

Food Waste

10.1021/acs.jafc.7b06105

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Citations (37)

Cotton Textile/Iron Oxide Nanozyme Composites with Peroxidase-like Activity: Preparation, Characterization, and Application

ACS Applied Materials & Interfaces (2021)

Ivo Šafařı́k Jitka Procházková Martin A. Schroer Vasil M. Garamus P. Kopčanský

At present, both native and immobilized nanoparticles are of great importance in many areas of science and technology. In this paper, we have studied magnetic iron oxide nanoparticles and their aggregates bound on woven cotton textiles employing two simple modification procedures. One modification was based on the treatment of textiles with perchloric-acid-stabilized magnetic fluid diluted with methanol followed by drying. The second procedure was based on the microwave-assisted conversion of ferrous sulfate at high pH followed by drying. The structure and functional properties of these modified textiles were analyzed in detail. Scanning electron microscopy of native and modified textiles clearly showed the presence of iron oxide nanoparticles on the surface of the modified cotton fibers. All of the modified textile materials exhibited light to dark brown color depending on the amount of the bound iron oxide particles. Magnetic measurements showed that the saturation magnetization values reflect the amount of magnetic nanoparticles present in the modified textiles. Small-angle X-ray and neutron scattering measurements were conducted for the detailed structural characterization at the nanoscale of both the native and magnetically modified textiles, and different structural organization of nanoparticles in the two kinds of textile samples were concluded. The textile-bound iron oxide particles exhibited peroxidase-like activity when the N,N-diethyl-p-phenylenediamine sulfate salt was used as a substrate; this nanozyme activity enabled rapid decolorization of crystal violet in the presence of hydrogen peroxide. The deposition of a sufficient amount of iron oxide particles on textiles enabled their simple magnetic separation from large volumes of solutions; if necessary, the magnetic response of the modified textiles can be simply increased by incorporation of a piece of magnetic iron wire. The simplicity of the immobilized nanozyme preparation and the low cost of all the precursors enable its widespread application, such as decolorization and degradation of selected organic dyes and other important pollutants. Other types of textile-bound nanozymes can be prepared and used as low-cost catalysts for a variety of applications.

Iron oxide nanoparticles

10.1021/acsami.1c02154

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Citations (31)

Magnetic textile solid-phase extraction

Elsevier eBooks (2020)

Ivo Šafařı́k Jitka Procházková Eva Baldíková Kristýna Pospíšková

Solid phase extraction

Textile

10.1016/b978-0-12-820777-2.00010-8

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Citations (9)