Robert Mroczka
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View article: Influence of Heat Treatment of Nitinol Wire on the Properties of Nitinol/Hybrid Layer for Ibuprofen Release
Influence of Heat Treatment of Nitinol Wire on the Properties of Nitinol/Hybrid Layer for Ibuprofen Release Open
The efficiency of drug delivery from coatings of metallic implants is one of the key factors. The influence of chemical and thermal treatments of nitinol wire on the corrosion properties, deposition of hydroxyapatite(HA)/poly ε-caprolacton…
View article: POLYETHYLENE TEREPHTHALATE (PET) COATED WITH CHITOSAN AND CYCLOSPORINE A LAYERS AS A POTENTIAL STENT MATERIAL AND DRUG-DELIVERY SYSTEM
POLYETHYLENE TEREPHTHALATE (PET) COATED WITH CHITOSAN AND CYCLOSPORINE A LAYERS AS A POTENTIAL STENT MATERIAL AND DRUG-DELIVERY SYSTEM Open
The aim of this paper was to design, prepare and characterise chitosan (Ch) and cyclosporine A (CsA) mixed films deposited on a plasma-activated polyethylene terephthalate (PET) polymer surface to be used as a cover for implantable blood v…
View article: Studies of Benzotriazole on and into the Copper Electrodeposited Layer by Cyclic Voltammetry, Time-of-Flight Secondary-Ion Mass Spectrometry, Atomic Force Microscopy, and Surface Enhanced Raman Spectroscopy
Studies of Benzotriazole on and into the Copper Electrodeposited Layer by Cyclic Voltammetry, Time-of-Flight Secondary-Ion Mass Spectrometry, Atomic Force Microscopy, and Surface Enhanced Raman Spectroscopy Open
Benzotriazole (BTA) is an important compound that demonstrates the strongest anticorrosion properties of copper and plays a role as a leveler and an additive to the electroplating bath for control of the roughness and corrosion resistance …
View article: Preparation and Surface Characterization of Chitosan-Based Coatings for PET Materials
Preparation and Surface Characterization of Chitosan-Based Coatings for PET Materials Open
Poly(ethylene terephthalate)—PET—is one of the most frequently used polymers in biomedical applications. Due to chemical inertness, PET surface modification is necessary to gain specific properties, making the polymer biocompatible. The ai…
View article: Characteristics of Hybrid Bioglass-Chitosan Coatings on the Plasma Activated PEEK Polymer
Characteristics of Hybrid Bioglass-Chitosan Coatings on the Plasma Activated PEEK Polymer Open
Polyetheretherketone (PEEK) is a biocompatible, chemically and physically stable radiolucent polymer that exhibits a similar elastic modulus to the normal human bone, making it an attractive orthopedic implant material. However, PEEK is bi…
View article: Interaction of Bis-(sodium-sulfopropyl)-Disulfide and Polyethylene Glycol on the Copper Electrodeposited Layer by Time-of-Flight Secondary-Ion Mass Spectrometry
Interaction of Bis-(sodium-sulfopropyl)-Disulfide and Polyethylene Glycol on the Copper Electrodeposited Layer by Time-of-Flight Secondary-Ion Mass Spectrometry Open
The interactions of the functional additives SPS (bis-(sodium-sulfopropyl)-disulfide) and polyethylene glycol (PEG) in the presence of chloride ions were studied by time-of-flight secondary-ion mass spectrometry (TOF-SIMS) in combination w…
View article: Surface Properties of the Polyethylene Terephthalate (PET) Substrate Modified with the Phospholipid-Polypeptide-Antioxidant Films: Design of Functional Biocoatings
Surface Properties of the Polyethylene Terephthalate (PET) Substrate Modified with the Phospholipid-Polypeptide-Antioxidant Films: Design of Functional Biocoatings Open
Surface properties of polyethylene terephthalate (PET) coated with the ternary monolayers of the phospholipid 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC), the immunosuppressant cyclosporine A (CsA), and the antioxidant lauryl gallate (…
View article: Studies of Bis-(Sodium-Sulfopropyl)-Disulfide and 3-Mercapto-1-Propanesulfonate on/into the Copper Electrodeposited Layer by Time-of-Flight Secondary-Ion Mass Spectrometry
Studies of Bis-(Sodium-Sulfopropyl)-Disulfide and 3-Mercapto-1-Propanesulfonate on/into the Copper Electrodeposited Layer by Time-of-Flight Secondary-Ion Mass Spectrometry Open
Interactions of functional additives SPS (bis-(sodium-sulfopropyl)-disulfide), MPS (3-Mercapto-1-Propanesulfonate), and Cl accumulated and incorporated on/into a copper electrodeposited layer were studied using time-of-flight secondary-ion…
View article: Experimental evidence for the presence of irreversibly adsorbed material in vapor deposited glasses
Experimental evidence for the presence of irreversibly adsorbed material in vapor deposited glasses Open
Vapor deposited glasses got wide scientific attention as they are remarkably stable and dense materials with significant practical applications. In this work, we investigate the presence of irreversibly adsorbed material on vapor deposited…
View article: Properties of multicomponent (Mn-Ni-Co-Al-Si-Ti) oxide spinel hierarchically organized nanostructures deposited by magnetron sputtering in two temperatures.
Properties of multicomponent (Mn-Ni-Co-Al-Si-Ti) oxide spinel hierarchically organized nanostructures deposited by magnetron sputtering in two temperatures. Open
Multicomponent spinel films were deposited on Ag/Si substrates by magnetron sputtering. Two substrate temperatures were used. XRD diffraction measurements show that the layers are composed of three metals oxides (Mn2O3, NiO, CoO). The pres…
View article: Improved Voltammetric Determination of Kynurenine at the Nafion Covered Glassy Carbon Electrode – Application in Samples Delivered from Human Cancer Cells
Improved Voltammetric Determination of Kynurenine at the Nafion Covered Glassy Carbon Electrode – Application in Samples Delivered from Human Cancer Cells Open
Nowadays, development of analytical methods responding to a need for rapid and accurate determination of human metabolites is highly desirable. Herein, an electrochemical method employing a Nafion-coated glassy carbon electrode (Nafion/GCE…
View article: The properties of the polyethylene glycol complex PEG(Na+)(Cu+) on the copper electrodeposited layer by Time-of-Flight Secondary-Ion Mass Spectrometry. The new insights
The properties of the polyethylene glycol complex PEG(Na+)(Cu+) on the copper electrodeposited layer by Time-of-Flight Secondary-Ion Mass Spectrometry. The new insights Open
The properties of polyethylene glycol PEG(Na+)(Cu+) complex on the copper electrodeposition layer was studied by Time-of-Flight Secondary-Ion Mass Spectrometry (TOF-SIMS). The most stable PEG(Na+) fragment, C11H22O6Na+, consists of the cen…
View article: Serine Protease Inhibitors—New Molecules for Modification of Polymeric Biomaterials
Serine Protease Inhibitors—New Molecules for Modification of Polymeric Biomaterials Open
Three serine protease inhibitors (AEBSF, soy inhibitor, α1-antitrypsin) were covalently immobilized on the surface of three polymer prostheses with the optimized method. The immobilization efficiency ranged from 11 to 51%, depending on the…
View article: Simultaneous voltammetric analysis of tryptophan and kynurenine in culture medium from human cancer cells
Simultaneous voltammetric analysis of tryptophan and kynurenine in culture medium from human cancer cells Open
The paper outlines the first report of application of a differential pulse voltammetry for simultaneous quantification of clinically important molecular markers - tryptophan and its metabolite - kynurenine. The analytes were determined in …
View article: Properties of the Langmuir and Langmuir–Blodgett monolayers of cholesterol-cyclosporine A on water and polymer support
Properties of the Langmuir and Langmuir–Blodgett monolayers of cholesterol-cyclosporine A on water and polymer support Open
The paper deals with the cholesterol–cyclosporine A (Chol–CsA) monolayers at the air/water interface investigated using the Langmuir trough coupled with the Brewster's angle microscopy. The compressed films were transferred onto the PEEK p…