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Sindy Müllerová

Czech Academy of Sciences, Biology Centre

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Ivo Šafařı́k

Institute of Soil Biology

Kristýna Pospíšková

Palacký University Olomouc

Jitka Procházková

Institute of Soil Biology

Eva Baldíková

Czech Academy of Sciences, Biology Centre

Petr Šálek

Czech Academy of Sciences, Institute of Macromolecular Chemistry

Vladimír Proks

Czech Academy of Sciences, Institute of Macromolecular Chemistry

Beata A. Zasońska

Czech Academy of Sciences, Institute of Macromolecular Chemistry

Ján Svoboda

Czech Academy of Sciences, Institute of Macromolecular Chemistry

Milena Rousková

Czech Academy of Sciences, Institute of Chemical Process Fundamentals

Daniel Horák

Czech Academy of Sciences, Institute of Macromolecular Chemistry

Cooperative Institutions

Czech Academy of Sciences

Czech Academy of Sciences, Institute of Macromolecular Chemistry

Charles University

Czech Academy of Sciences, Biology Centre

Palacký University Olomouc

Regional Centre of Advanced Technologies and Materials

Institute of Soil Biology

Masaryk University

Laboratoire de Biologie Cellulaire et Moléculaire du Contrôle de la Prolifération

Institute of Cell Biology

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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)

Use of waste Japonochytrium sp. biomass after lipid extraction as an efficient adsorbent for triphenylmethane dye applied in aquaculture

Biomass Conversion and Biorefinery (2018)

Eva Baldíková Sindy Müllerová Jitka Procházková Milena Rousková Olga Šolcová

Crystal violet

Triphenylmethane

Endothermic process

10.1007/s13399-018-0362-2

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Citations (18)

Peroxidase-like activity of magnetic poly(glycidyl methacrylate-co-ethylene dimethacrylate) particles

Scientific Reports (2019)

Beata A. Zasońska Petr Šálek Jitka Procházková Sindy Müllerová Ján Svoboda

Poly(glycidyl methacrylate) (PGMA) is prone to modifications with different functional groups, magnetic fluids or direct coupling with biological molecules. The purpose of this research was to synthesize new magnetically responsive particles with peroxidase-like activity. Poly(glycidyl methacrylate-co-ethylene dimethacrylate) [P(GMA-EDMA)] particles containing carboxyl groups were obtained by emulsifier-free emulsion polymerization and hydrolysis and oxidation of PGMA with KMnO4, resulting in poly(carboxymethyl methacrylate-co-ethylene dimethacrylate) [P(CMMA-EDMA)] particles. Thionine (Th) was also attached to the particles [(P(CMMA-EDMA)-Th] via EDC/NHS chemistry to observe its effect on electron transfer during the oxidation reaction. Finally, the particles were coated with a nitric acid-stabilized ferrofluid in methanol. The resulting magnetic particles were characterized by several methods, including scanning and transmission electron microscopy, X-ray photoelectron spectroscopy, and vibrating sample magnetometry. The effect of EDMA on the P(CMMA-EDMA) particle size and size distribution was investigated; the particle size changed from 300 to 340 nm, and the particles were monodispersed with a saturation magnetization of 11 Am2/kg. Finally, the effects of temperature and pH on the peroxidase-like activity of the magnetic P(CMMA-EDMA) and P(CMMA-EDMA)-Th particles were investigated. The particles, which exhibited a high activity at pH 4-6 and at ∼37 °C, represent a highly sensitive sensor component potentially useful in enzyme-based immunoassays.

Glycidyl methacrylate

Superparamagnetism

10.1038/s41598-018-38012-5

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Citations (7)

Magnetically responsive textile for preconcentration of acid food dyes

Materials Chemistry and Physics (2019)

Ivo Šafařı́k Sindy Müllerová Kristýna Pospíšková

Tartrazine

Polyacrylonitrile

Indigo carmine

Textile

Solid phase extraction

Acid dye

10.1016/j.matchemphys.2019.04.058

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Citations (10)

Semiquantitative determination of food acid dyes by magnetic textile solid phase extraction followed by image analysis

Food Chemistry (2018)

Ivo Šafařı́k Sindy Müllerová Kristýna Pospíšková

Textile

Solid phase extraction

Acid dye

10.1016/j.foodchem.2018.08.125

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Citations (23)

Magnetic Textile Solid Phase Extraction of Cationic Dyes from Water Solutions

Fibers and Polymers (2020)

Ivo Šafařı́k Sindy Müllerová Kristýna Pospíšková

Cationic polymerization

Textile

Solid phase extraction

Spectrophotometry

10.1007/s12221-020-9539-y

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Citations (5)