J. Romański
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View article: From Binding to Building: A Squaramide-Based Ion Pair Receptor as an Iniferter for Functional Polymer Synthesis
From Binding to Building: A Squaramide-Based Ion Pair Receptor as an Iniferter for Functional Polymer Synthesis Open
To address the challenge of developing the first squaramide-based ion pair receptor acting as an iniferter in the polymerization process, a well-known BDPA molecule with specific radical functions was incorporated into its structure. The d…
View article: Electroactive and Thermoresponsive Hybrid Microgel on a Gold Surface for Electrochemically Controlled Release of Active Substance
Electroactive and Thermoresponsive Hybrid Microgel on a Gold Surface for Electrochemically Controlled Release of Active Substance Open
In this study, we present a thermoresponsive and electroactive hybrid microgel immobilized on an electrode surface, designed as a platform for electrochemically induced release of positively charged model substances. The microgel was synth…
View article: A thermosensitive α-amino acid hydrogel layer deposited on an electrode surface: Actuator and sensor performance
A thermosensitive α-amino acid hydrogel layer deposited on an electrode surface: Actuator and sensor performance Open
The aim of this work was the development of a novel stimuli-responsive hydrogel layer containing an acryloyl derivative of an α-amino acid and its electroanalytical characterization. The electroactive, electrosensitive, and thermosensitive…
View article: Application of the oxidation reaction of a ferrocene derivative (FcSQC6) as driving force for the transfer of hydrophilic sulfate anions at a three-phase electrode
Application of the oxidation reaction of a ferrocene derivative (FcSQC6) as driving force for the transfer of hydrophilic sulfate anions at a three-phase electrode Open
Studies at three-phase electrodes (TPE, glassy carbon electrode, an aqueous and organic solution) are often performed to detect organic and inorganic anions. However, it is difficult to find a redox probe or ionophore that would allow the …
View article: Application of the oxidation reaction of a ferrocene derivative (FcSQC6) as driving force for the transfer of hydrophilic sulfate anions at a three-phase electrode
Application of the oxidation reaction of a ferrocene derivative (FcSQC6) as driving force for the transfer of hydrophilic sulfate anions at a three-phase electrode Open
Studies at three-phase electrodes (TPE, glassy carbon electrode, an aqueous and organic solution) are often performed to detect organic and inorganic anions. However, it is difficult to find a redox probe or ionophore that would allow the …
View article: Amino Acid-Based Hydrogel with Interpenetrating Gelatin and Cross-Linked by Metal Ions, Providing High Stretchability and Motion Sensitivity
Amino Acid-Based Hydrogel with Interpenetrating Gelatin and Cross-Linked by Metal Ions, Providing High Stretchability and Motion Sensitivity Open
A double network structure with metal ions was created to enhance the mechanical stability of the hydrogels and increase their low conductivity. For this purpose, the P(AM_AcOr_Gelatin) hydrogel was synthesized by combining gelatin, a bioc…
View article: Squaramide-based ion pair receptors can facilitate transmembrane transport of KCl and zwitterions including highly polar amino acids
Squaramide-based ion pair receptors can facilitate transmembrane transport of KCl and zwitterions including highly polar amino acids Open
A novel ion-pair receptor represents the first example of a small molecule capable of transporting highly polar zwitterions, including charged amino acids such as arginine and glutamate across lipid bilayers.
View article: Transfer of highly hydrophilic ions between immiscible liquids at the three-phase junction using a squaramide-based ion pair receptor
Transfer of highly hydrophilic ions between immiscible liquids at the three-phase junction using a squaramide-based ion pair receptor Open
Although many redox probes have been used for anion transfer studies in three-phase junction setups, no known molecule would enable the transfer of highly hydrophilic anions. In recent years, research has been emerging on ion pair receptor…
View article: Electrochemical Controlling of Double Microgel Layer Formation on an Electrode Surface via an Electrosensitive Inclusion Complex
Electrochemical Controlling of Double Microgel Layer Formation on an Electrode Surface via an Electrosensitive Inclusion Complex Open
In this study, we demonstrate the formation of a self-assembled microgel double layer on an electrode surface, utilizing the ability to form electro-responsive, reversible inclusion complexes between microgels modified with ferrocene and β…
View article: Rapid Photoinduced Self-Healing, Controllable Drug Release, Skin Adhesion Ability, and Mechanical Stability of Hydrogels Incorporating Linker-Modified Gold Nanoparticles and Nanogels
Rapid Photoinduced Self-Healing, Controllable Drug Release, Skin Adhesion Ability, and Mechanical Stability of Hydrogels Incorporating Linker-Modified Gold Nanoparticles and Nanogels Open
Appropriately modified thermoresponsive hydrogels, such as poly(N-isopropylacrylamide) hydrogels, bring an opportunity for a variety of biomedical applications. Incorporating compounds with different properties into poly(N-isopropylacrylam…
View article: Smart Hydrogel Based on Derivatives of Natural α-Amino Acids for Efficient Removal of Metal Ions from Wastewater
Smart Hydrogel Based on Derivatives of Natural α-Amino Acids for Efficient Removal of Metal Ions from Wastewater Open
A novel class of hydrogels, rich in a variety of functional groups capable of interacting/complexing with metal ions was successfully synthesized. This was achieved by using acryloyl derivatives of natural α-amino acids, specifically ornit…
View article: Monolayer of microgel particles based on poly(acrylic acid) modified with dopamine for electrochemical pH sensing
Monolayer of microgel particles based on poly(acrylic acid) modified with dopamine for electrochemical pH sensing Open
A novel electroactive and pH-responsive microgel was successfully synthesized. The obtained microgel was based on acrylic acid, dopamine methacrylamide and N,N′-bis(acryloyl)cystamine as the crosslinker. Using the distillation precipitatio…
View article: Modulating fluorescent sensing of the pyrene-based ion pair receptor by docking on graphene quantum dots
Modulating fluorescent sensing of the pyrene-based ion pair receptor by docking on graphene quantum dots Open
We successfully synthesized squaramide-based ion pair receptor 3, possessing a cation binding domain linked to the receptor scaffold so as act as an electron-withdrawing group and enhance anion binding. This compound was able to efficientl…
View article: Electrochemically Controlled Release from a Thin Hydrogel Layer
Electrochemically Controlled Release from a Thin Hydrogel Layer Open
In this study, we present a thermoresponsive thin hydrogel layer based on poly(N-isopropylacrylamide), functionalized with β-cyclodextrin groups (p(NIPA-βCD)), as a novel electrochemically controlled release system. This thin hydrogel laye…
View article: CCDC 2226366: Experimental Crystal Structure Determination
CCDC 2226366: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Interaction of Ions in Organic and Aqueous Media with an Ion-Pair Sensor Equipped with a BODIPY Reporter: An ON1-OFF-ON2-ON3 Fluorescent Assay
Interaction of Ions in Organic and Aqueous Media with an Ion-Pair Sensor Equipped with a BODIPY Reporter: An ON1-OFF-ON2-ON3 Fluorescent Assay Open
Here, we present a ditopic ion-pair sensor, B1, containing the BODIPY reporter unit in its structure, which is shown to be able—thanks to the presence of two heterogeneous binding domains—to interact with anions in an enhanced manner in th…
View article: Temperature and ionic strength modulated responses of modified with viologen derivative electrosensitive microgel
Temperature and ionic strength modulated responses of modified with viologen derivative electrosensitive microgel Open
A new electroactive microgel was successfully synthesized. The starting material was a polymer based on N-isopropylacrylamide, sodium acrylate and the N,N'–methylenebisacrylamide crosslinker, which was functionalized with amine derivative …
View article: Redox-responsive degradable microgel modified with superparamagnetic nanoparticles exhibiting controlled, hyperthermia-enhanced drug release
Redox-responsive degradable microgel modified with superparamagnetic nanoparticles exhibiting controlled, hyperthermia-enhanced drug release Open
A novel degradable microgel based on poly( N -isopropylacrylamide) (pNIPA) cross-linked with N , N ’-bisacryloylcystine (BISS) and containing superparamagnetic iron oxide nanoparticles (SPION@CA) was synthesized by semi-batch precipitation…
View article: CCDC 2085348: Experimental Crystal Structure Determination
CCDC 2085348: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2085349: Experimental Crystal Structure Determination
CCDC 2085349: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Utilizing a polymer containing squaramide-based ion pair receptors for salt extraction
Utilizing a polymer containing squaramide-based ion pair receptors for salt extraction Open
Herein, we report a novel polymer containing synthetic squaramide-based ion pair receptors, which effectively capture and remove sulfate salts from aqueous source phases during liquid–liquid extraction. The monomer M1 was synthesized in a …
View article: CCDC 2038741: Experimental Crystal Structure Determination
CCDC 2038741: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …