Davor Kovačević
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View article: Antifungal Effect of Poly(methyl methacrylate) Coated with Polyelectrolyte Multilayers
Antifungal Effect of Poly(methyl methacrylate) Coated with Polyelectrolyte Multilayers Open
Due to teeth loss, a large proportion of the elderly rely on full or partial dentures for esthetic, speaking, and eating reasons. A variety of polymers are used in the production of removable prostheses, with poly-(methyl methacrylate) (PM…
View article: Specific Ion Effects of Divalent Cations on the Formation and Properties of Polyelectrolyte Multilayers
Specific Ion Effects of Divalent Cations on the Formation and Properties of Polyelectrolyte Multilayers Open
Multilayer films made of strong polyelectrolytes poly(diallyldimethylammonium chloride) and poly(sodium 4‐styrenesulfonate) were built‐up on silicon wafer using the layer‐by‐layer method. The films were built‐up in the presence of various …
View article: Transparent Biocompatible Polyelectrolyte Multilayer Coatings on Apples: Formation and Properties
Transparent Biocompatible Polyelectrolyte Multilayer Coatings on Apples: Formation and Properties Open
Polyelectrolyte multilayers (PEMs) are nanocoatings with possible applications in various areas, such as biomedicine and food technology. Recently, PEMs have been getting a lot of attention as potential food coatings for the prevention of …
View article: Adhesion of Streptococcus mutans on highly translucent zirconia: Influence of surface properties and polyelectrolyte multilayer coatings
Adhesion of Streptococcus mutans on highly translucent zirconia: Influence of surface properties and polyelectrolyte multilayer coatings Open
Airborne-particle abraded zirconia specimens coated with biocompatible polyelectrolyte multilayer coatings with a negatively charged terminating layer were associated with a 50% reduction in bacteria adhesion compared with uncoated specime…
View article: Biocompatible Polyelectrolyte Multilayers with Copper Oxide and Zinc Oxide Nanoparticles for Inhibiting Bacterial Growth
Biocompatible Polyelectrolyte Multilayers with Copper Oxide and Zinc Oxide Nanoparticles for Inhibiting Bacterial Growth Open
The prevalence of bacterial infections presents a significant challenge in the medical field, demanding effective strategies to impede bacterial adhesion and growth on various surfaces. The conducted study investigates the efficacy of poly…
View article: Cation Adsorption in TiO<sub>2</sub> Nanotubes: Implication for Water Decontamination
Cation Adsorption in TiO<sub>2</sub> Nanotubes: Implication for Water Decontamination Open
TiO2 nanotubes constitute very promising nanomaterials for water decontamination by the removal of cations. We combined a range of experimental techniques from structural analyses to measurements of the properties of aqueous suspensions of…
View article: Synthetic versus Natural Precursor Layer: A Study on the Properties of Biocompatible Chitosan/Carboxymethyl Cellulose Nanofilms
Synthetic versus Natural Precursor Layer: A Study on the Properties of Biocompatible Chitosan/Carboxymethyl Cellulose Nanofilms Open
Polyelectrolyte multilayers are nanofilms with vast applications in numerous areas such as medicine and food industry. Recently, they have been getting a lot of attention as potential food coatings for the prevention of fruit decay during …
View article: High-Resolution Ultrasonic Spectroscopy: Looking at the Interpolyelectrolyte Neutralization from a Different Perspective
High-Resolution Ultrasonic Spectroscopy: Looking at the Interpolyelectrolyte Neutralization from a Different Perspective Open
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) cations and…
View article: Suppressing the Hofmeister Anion Effect by Thermal Annealing of Thin-Film Multilayers Made of Weak Polyelectrolytes
Suppressing the Hofmeister Anion Effect by Thermal Annealing of Thin-Film Multilayers Made of Weak Polyelectrolytes Open
Thin films made of weak polyelectrolytes poly(allylamine hydrochloride) (PAH) and poly(acrylic acid) (PAA) have been fabricated on silicon wafers using the layer-by-layer (LbL) method. To study the influence of counteranion type on the gro…
View article: Role of Substrate Type in the Process of Polyelectrolyte Multilayer Formation
Role of Substrate Type in the Process of Polyelectrolyte Multilayer Formation Open
Polyelectrolyte multilayers are coatings formed by the alternate deposition of polycations and polyanions on a charged surface. In this study we examined how the type of substrate affects a multilayer prepared from poly(allylamine hydrochl…
View article: Adsorption of Polyions on Flat TiO2 Surface
Adsorption of Polyions on Flat TiO2 Surface Open
In this study, the surface properties of Ti/TiO2 substrate before and after the adsorption of polyelectrolytes were investigated. As model polyelectrolytes, strongly charged polycation poly(diallyldimethylammonium) (PDADMA) and strongly ch…
View article: Ion-Specific and Solvent Effects on PDADMA–PSS Complexation and Multilayer Formation
Ion-Specific and Solvent Effects on PDADMA–PSS Complexation and Multilayer Formation Open
Among various parameters that influence the formation of polyelectrolyte complexes and multilayers, special emphasis should be placed on ion-specific and solvent effects. In our study, we systematically examined the above-mentioned effects…
View article: Bacterial Adhesion Capacity of Uropathogenic Escherichia coli to Polyelectrolyte Multilayer Coated Urinary Catheter Surface
Bacterial Adhesion Capacity of Uropathogenic Escherichia coli to Polyelectrolyte Multilayer Coated Urinary Catheter Surface Open
The application of catheters to the urinary tract is associated with nosocomial infections. Such infections are one of the most common types of infections in hospitals and health care facilities and can lead to numerous medical complicatio…
View article: Bacterial Adhesion on Glass–Ionomer Cements and Micro/Nano Hybrid Composite Dental Surfaces
Bacterial Adhesion on Glass–Ionomer Cements and Micro/Nano Hybrid Composite Dental Surfaces Open
Dental restorations need to reproduce the aspect of the natural teeth of the patient, and must be non-toxic, biocompatible, and have good mechanical properties so that they can last for longer. The aim of this study was to determine the ex…
View article: Experimental and Theoretical Study of Morphological and Charging Properties of Truncated Octahedron and Cubic Ceria Nanoparticles: Implications for Biomedical Applications
Experimental and Theoretical Study of Morphological and Charging Properties of Truncated Octahedron and Cubic Ceria Nanoparticles: Implications for Biomedical Applications Open
International audience
View article: Magnetic field influence on asphaltene aggregation monitored by diffusion NMR spectroscopy: Is aggregation reversible at high magnetic fields?
Magnetic field influence on asphaltene aggregation monitored by diffusion NMR spectroscopy: Is aggregation reversible at high magnetic fields? Open
We have shown that asphaltene self-association induces temperature gradients and convection currents and it is necessary to suppress these effects to obtain accurate data by DOSY NMR techniques. An interesting finding of this investigation…
View article: Lignocellulosic Materials as Dye Adsorbents: Adsorption of Methylene Blue and Congo Red on Brewers’ Spent Grain
Lignocellulosic Materials as Dye Adsorbents: Adsorption of Methylene Blue and Congo Red on Brewers’ Spent Grain Open
Brewers' spent grain (BSG), a lignocellulosic waste material, was evaluated as a low-cost adsorbent for the removal of synthetic dyes methylene blue (MB) and Congo red (CR) from aqueous solutions in a batch process.Characterisation of the …
View article: Polyelectrolyte Multilayers on Silica Surfaces: Effect of Ionic Strength and Sodium Salt Type
Polyelectrolyte Multilayers on Silica Surfaces: Effect of Ionic Strength and Sodium Salt Type Open
The formation of polyelectrolyte multilayers on silica surfaces was investigated in the presence of binary 1:1 sodium salts (NaCl, NaBr and NaNO3) at various salt concentrations.The build-up of multilayers was monitored using electrophoret…
View article: Influence of Polyelectrolyte Multilayer Properties on Bacterial Adhesion Capacity
Influence of Polyelectrolyte Multilayer Properties on Bacterial Adhesion Capacity Open
Bacterial adhesion can be controlled by different material surface properties, such as surface charge, on which we concentrate in our study. We use a silica surface on which poly(allylamine hydrochloride)/sodium poly(4-styrenesulfonate) (P…