Ústav fyzikální a spotřební chemie
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Direct measurement of oxygen reduction reactions at neurostimulation electrodes
(IOP Publishing Ltd, 2022-06-01)Objective. Electric stimulation delivered by implantable electrodes is a key component of neural engineering. While factors affecting long-term stability, safety, and biocompatibility are a topic of continuous investigation, ... -
Correlative Imaging of Individual CsPbBr3 Nanocrystals: Role of Isolated Grains in Photoluminescence of Perovskite Polycrystalline Thin Films
(AMER CHEMICAL SOC, 2023-06-20)We report on the optical properties of a CsPbBr3 polycrystallinethin film on a single grain level. A sample composed of isolated nanocrystals(NCs) mimicking the properties of the polycrystalline thin film grainsthat can ... -
Synthesis of Ag and Cu nanoparticles by plasma discharge in inorganic salt solutions
(De Gruyter, 2023-06-30)In recent years, nanoparticles have emerged as an important player in a broad range of applications, especially thanks to recent advances in their synthesis. The silver and copper nanoparticles are often used due to their ... -
Impact of various oxidation processes used for removal of sulfamethoxazole on the quality of treated wastewater
(KeAi Communications Co., Ltd., 2023-04-17)The objective of this research is to describe the impact of different advanced oxidation processes used for the removal of sulfamethoxazole on wastewater quality. Ozone, UV, a combination of ozone and UV, and plasma discharge ... -
Lecithin as an Effective Modifier of the Transport Properties of Variously Crosslinked Hydrogels
(MDPI, 2023-04-27)Transport properties are one of the most crucial assets of hydrogel samples, influencing their main application potential, i.e., as drug carriers. Depending on the type of drug or the application itself, it is very important ... -
Effect of Chitosan as Active Bio-colloidal Constituent on the Diffusion of Dyes in Agarose Hydrogel
(MDPI, 2023-05-09)Agarose hydrogel was enriched by chitosan as an active substance for the interactions with dyes. Direct blue 1, Sirius red F3B, and Reactive blue 49 were chosen as representative dyes for the study of the effect of their ... -
High-Resolution Ultrasonic Spectroscopy: Looking at the Interpolyelectrolyte Neutralization from a Different Perspective
(American Chemical Society, 2023-02-14)In this study, the high-resolution ultrasonic spectroscopy (HR-US) technique was applied to examine interpolyelectrolyte neutralization. The mentioned method was tested on the example of complexation between poly(allylammonium) ... -
How the Addition of Chitosan Affects the Transport and Rheological Properties of Agarose Hydrogels
(MDPI, 2023-01-23)Agarose hydrogels enriched by chitosan were studied from a point of view diffusion and the immobilization of metal ions. Copper was used as a model metal with a high affinity to chitosan. The influence of interactions ... -
Universal approach for diffusion quantification applied to lead halide perovskite single crystals
(Springer, 2023-01-19)A universal approach to calculating diffusion coefficients in lead halide perovskite single crystals, which have ionic and mixed ionic–electronic conductivity, is proposed. Using impedance spectroscopy, it is demonstrated ... -
Physico-Chemical Properties of Lithium Silicates Related to Their Utilization for Concrete Densifiers
(MDPI, 2023-03-08)Protection of concrete against aggressive influences from the surrounding environment becomes an important step to increase its durability. Today, alkali silicate solutions are advantageously used as pore-blocking treatments ... -
On the bioprotective effects of 3-hydroxybutyrate: Thermodynamic study of binary 3HB-water systems
(Biophysical Society, 2023-02-07)The comprehensive study of the phase behavior of sodium 3-hydroxybutyrate (Na3HB) in aqueous mixtures has shed new light on the recently revealed bioprotective role of this compound in poly(3-hydroxybutyrate)-accumulating ... -
Tailoring the internal microstructue of the hydrogels based on poly-HEMA targeted for drug delivery systems
(TANGER Ltd., 2022-01-01)The transport and barrier properties are important material characteristics in terms of the development of the targeted drug delivery systems. Therefore, this work focused on the study of the possibility of influencing ... -
Conductive Polymer PEDOT:PSS-Based Platform for Embryonic Stem-Cell Differentiation
(MDPI, 2022-01-20)Organic semiconductors are constantly gaining interest in regenerative medicine. Their tunable physico-chemical properties, including electrical conductivity, are very promising for the control of stem-cell differentiation. ... -
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
(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 ... -
Laser-based techniques: Novel tools for the identification and characterization of aged microplastics with developed biofilm
(Elsevier, 2023-02-01)Microplastics found in the environment are often covered with a biofilm, which makes their analysis difficult. Therefore, the biofilm is usually removed before analysis, which may affect the microplastic particles or lead ... -
Metallothionein dimerization evidenced by QD-based Förster resonance energy transfer and capillary electrophoresis
(Elsevier, 2021-02-15)Herein, we report a new simple and easy-to-use approach for the characterization of protein oligomerization based on fluorescence resonance energy transfer (FRET) and capillary electrophoresis with LED-induced detection. ... -
Biochar Texture – A Parameter Influencing Physicochemical Properties, Morphology, and Agronomical Potential
(MDPI, 2022-07-28)Biochar represents a stable form of carbon-rich organic material produced by the pyrolysis of various biomass residues. It has the potential to stabilize organic carbon in the soil and improve soil fertility, water retention, ... -
Combination of Hypotonic Lysis and Application of Detergent for Isolation of Polyhydroxyalkanoates from Extremophiles
(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 ... -
Response of Winter Wheat (Triticum aestivum L.) to Fertilizers with Nitrogen-Transformation Inhibitors and Timing of Their Application under Field Conditions
(MDPI, 2022-01-17)Winter wheat is a widely cultivated crop that requires high inputs of nitrogen (N) fertilization, which is often connected with N losses. The application of fertilizers with nitrification (NI) and urease inhibitors (UI) ... -
Response of Normal and Low-Phytate Genotypes of Pea (Pisum sativum L.) on Phosphorus Foliar Fertilization
(MDPI, 2021-08-05)Phosphorus (P) is an important nutrient in plant nutrition. Its absorption by plants from the soil is influenced by many factors. Therefore, a foliar application of this nutrient could be utilized for the optimal nutrition ...