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Articles by Robert Gyurcsanyi
Electrochemical Detection Approaches Targeting Single Intact Virions
DOI: https://doi.org/10.2533/chimia.2026.487 Keywords: Intact virus detection, Nano-impact electrochemistry, Resistive pulse sensing, Single virion counting Downloads PDF Published 2026-08-19
Absence of Hofmeister Selectivity in Hydrophobic Ion-Exchanger Nanopores
Analytical Chemistry Cite this: Anal. Chem. 2025, XXXX, XXX Click to copy citationCitation copied! . This publication is licensed under CC-BY 4.0 . You are free to share (copy and redistribute) this article in any medium or format and to adapt (remix, transform, and build upon) the material for any purpose, even commercially within the parameters below: Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator.
Finding the Optimal Surface Density of Aptamer Monolayers by SPR Imaging Detection‐Based Aptamer Microarrays
Abstract Surface plasmon resonance imaging (SPRi) by enabling label‐free, real time assessment of biomolecular interactions in multiplexed manner is one of the methods of choice for high throughput characterization of large pools of DNA aptamer candidates following in vitro selection. Moreover, with major advances in in situ amplification methods SPRi became also a viable detection platform for aptamer microarrays.
Finding the Optimal Surface Density of Aptamer Monolayers by SPR Imaging Detection‐Based Aptamer Microarrays
Abstract Surface plasmon resonance imaging (SPRi) by enabling label‐free, real time assessment of biomolecular interactions in multiplexed manner is one of the methods of choice for high throughput characterization of large pools of DNA aptamer candidates following in vitro selection. Moreover, with major advances in in situ amplification methods SPRi became also a viable detection platform for aptamer microarrays.
Ion‐Selective Electrodes Based on Hydrophilic Ionophore‐Modified Nanopores
We report the synthesis and analytical application of the first Cu2+‐selective synthetic ion channel based on peptide‐modified gold nanopores. A Cu2+‐binding peptide motif (Gly‐Gly‐His) along with two additional functional thiol derivatives inferring cation‐permselectivity and hydrophobicity was self‐assembled on the surface of gold nanoporous membranes comprising of about 5 nm diameter pores.
Ion‐Selective Electrodes Based on Hydrophilic Ionophore‐Modified Nanopores
We report the synthesis and analytical application of the first Cu2+‐selective synthetic ion channel based on peptide‐modified gold nanopores. A Cu2+‐binding peptide motif (Gly‐Gly‐His) along with two additional functional thiol derivatives inferring cation‐permselectivity and hydrophobicity was self‐assembled on the surface of gold nanoporous membranes comprising of about 5 nm diameter pores.
Ion-selective electrodes based on hydrophilic ionophore-modified nanopores
We report the synthesis and analytical application of the first Cu(II)-selective synthetic ion channel based on peptide-modified gold nanopores. A Cu(II) binding peptide motif (Gly-Gly-His) along with two additional functional thiol derivatives inferring cation-permselectivity and hydrophobicity was self-assembled on the surface of gold nanoporous membranes comprising of ca. 5 nm diameter pores.
Electropolymerized hydrophobic polyazulene as solid-contact in potassium-selective electrodes
Electropolymerized hydrophobic polyazulene (PAz) based solid-state potassium-selective electrodes (SC-ISEs) have been characterized in terms of their suitability for clinical application.
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