Yazar "Yarman, Aysu" için listeleme
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Au-Pt nanoparticles based molecularly imprinted nanosensor for electrochemical detection of the lipopeptide antibiotic drug Daptomycin
In this work, a novel electrochemical molecularly imprinted polymer (MIP) sensor for the detection of the lipopeptide antibiotic Daptomycin (DAP) is presented which integrates gold decorated platinum nanoparticles (Au-Pt ... -
Development of a molecularly imprinted polymer-based electrochemical sensor for tyrosinase
Yarman, Aysu (Scientific & Technical Research Council Turkey-TUBITAK, 2018)For the first time a molecularly imprinted polymer (MIP)-based sensor for tyrosinase is described. This sensor is based on the electropolymerization of scopoletin or o-phenylenediamine in the presence of tyrosinase from ... -
Editorial
Yarman, Aysu; Lisdat, Fred; Wollenberger, Ulla (Elsevier BV, 2023)This special issue on biosensors and protein electrochemistry is dedicated to Professor Frieder W. Scheller on occasion of his 80th birthday in August 2022. Frieder Scheller’s contributions to the field of bioelectroc ... -
Electrochemical MIP sensors for environmental analysis
Yarman, Aysu; Kurbanoğlu, Sevinç; Zhang, Xiaorong; Scheller, Frieder W. (Springer, 2023)[Özet yok] -
Electrochemical MIP-sensors for drugs
Yarman, Aysu; Kurbanoğlu, Sevinç; Jetzschmann, Katharina J.; Özkan, Sibel A.; Wollenberger, Ulla; Scheller, Frieder W. (Bentham Science Publ Ltd, 2018)In order to replace bio-macromolecules by stable synthetic materials in separation techniques and bioanalysis biomimetic receptors and catalysts have been developed: Functional monomers are polymerized together with the ... -
Electrochemical readout of molecularly imprinted polymers: potentials and challenges
Yarman, Aysu; Özçelikay, Göksu; Kurbanoğlu, Sevinç; Peng, Lei; Söz, Çağla; Özkan, Sibel Ayşıl; Wollenberger, Ulla; Scheller, Frieder W. (2020)Molecularly imprinted polymers (MIPs) are one of the most frequently studied alternative recognition elements in chromatography and sensorics. They are prepared by polymerizing the target analyte (socalled template) and ... -
Electrosynthesized MIPs for transferrin: Plastibodies or nano-filters?
Zhang, Xiaorong; Yarman, Aysu; Erdossy, Julia; Katz, Sagie; Zebger, Ingo; Jetzschmann, Katharina J.; Scheller, Frieder W. (Elsevier Advanced Technology, 2018)Molecularly imprinted polymer (MP) nanofilrns for transferrin (Trf) have been synthesized on gold surfaces by electro-polymerizing the functional monomer scopoletin in the presence of the protein target or around pre-adsorbed ... -
Electrosynthesized molecularly imprinted polymer for laccase using the inactivated enzyme as the target
Yarman, Aysu (Wiley-V C H Verlag Gmbh, 2018)The first molecularly imprinted polymer (MIP) for the recognition of the copper-enzyme laccase was successfully prepared by electropolymerizing scopoletin in the presence of alkaline-inactivated enzyme. Laccase-MIP and the ... -
Enzymes as tools in MIP-Sensors
Yarman, Aysu; Jetzschmann, Katharina J.; Neumann, Bettina; Zhang, Xiaorong; Wollenberger, Ulla; Cordin, Aude; Scheller, Frieder W. (Mdpi, 2017)Molecularly imprinted polymers (MIPs) have the potential to complement antibodies in bioanalysis, are more stable under harsh conditions, and are potentially cheaper to produce. However, the affinity and especially the ... -
How an ACE2 mimicking epitope-MIP nanofilm recognizes template-related peptides and the receptor binding domain of SARS-CoV-2
Zhang, Xiaorong; Waffo, Armel T.; Yarman, Aysu; Kovacs, Norbert; Bognar, Zsofia; Wollenberger, Ulla; El-Sherbiny, Ibrahim M.; Hassan, Rabeay Y. A.; Bier, Frank F.; Gyurcsanyi, Robert E; Zebger, Ingo; Scheller, Frieder W. (Royal Society of Chemistry, 2022)Here we aim to gain a mechanistic understanding of the formation of epitope-imprinted polymer nanofilms using a non-terminal peptide sequence, i.e. the peptide GFNCYFP (G485 to P491) of the SARS-CoV-2 receptor binding ... -
How reliable is the electrochemical readout of MIP sensors?
Yarman, Aysu; Scheller, Frieder W. (Sensors,, 2020)Electrochemical methods offer the simple characterization of the synthesis of molecularly imprinted polymers (MIPs) and the readouts of target binding. The binding of electroinactive analytes can be detected indirectly by ... -
Insights in electrosynthesis, target binding, and stability of peptide-imprinted polymer nanofilms
Yarman, Aysu; Caserta, Giorgio; Gyurcsányi, Róbert E.; Wollenberger, Ulla; Zhang, Xiaorong; Zebger, Ingo; Supala, Eszter; Scheller, Frieder W. (2021)Molecularly imprinted polymer (MIP) nanofilms have been successfully implemented for the recognition of different target molecules: however, the underlying mechanistic details remained vague. This paper provides new ... -
Label-Free MIP sensors for protein biomarkers
Zhang, Xiaorong; Jetzschmann, Katharina; Yarman, Aysu; Scheller, Frieder W.; Wollenberger, Ulla (Springer, 2017)[Özet yok] -
MIPs and aptamers for recognition of proteins in biomimetic sensing
Menger, Marcus; Yarman, Aysu; Erdossy, Julia; Yıldız, Hüseyin Bekir; Gyurcsanyi, Robert E.; Scheller, Frieder W. (Mdpi, 2016)Biomimetic binders and catalysts have been generated in order to substitute the biological pendants in separation techniques and bioanalysis. The two major approaches use either "evolution in the test tube" of nucleotides ... -
Molecular LEGO by domain-imprinting of cytochrome P450 BM3
Jetzschmann, Katharina J.; Yarman, Aysu; Rustam, L.; Kielb, P.; Urlacher, V. B.; Fischer, A.; Scheller, Frieder W. (Elsevier Science Bv, 2018)Hypothesis: Electrosynthesis of the MIP nano-film after binding of the separated domains or holocytochrome BM3 via an engineered anchor should result in domain-specific cavities in the polymer layer. Experiments: Both the ... -
Molecularly imprinted polymer based sensors for SARS-CoV-2: where are we now?
Yarman, Aysu; Kurbanoğlu, Sevinç (MDPI-Multidisciplinary Digital Publishing Institute, 2022)Since the first reported case of COVID-19 in 2019 in China and the official declaration from the World Health Organization in March 2021 as a pandemic, fast and accurate diagnosis of severe acute respiratory syndrome ... -
“Out of pocket” protein binding—A dilemma of epitope imprinted polymers revealed for human hemoglobin
Zhang, Xiaorong; Caserta, Giorgio; Supala, Eszter; Wollenberger, Ulla; Gyurcsányi, Róbert E.; Zebger, Ingo; Scheller, Frieder W.; Yarman, Aysu (2021)The epitope imprinting approach applies exposed peptides as templates to synthesize Molecularly Imprinted Polymers (MIPs) for the recognition of the parent protein. While generally the template protein binding to such ... -
Peptide epitope-imprinted polymer microarrays for selective protein recognition. Application for SARSCoV-2 RBD protein
Yarman, Aysu; Bognar, Zso´fia; Supala, Eszter; Zhang, Xiaorong; Bier, Frank F.; Scheller, Frieder W.; Gyurcsanyi, Robert E. (2022)We introduce a practically generic approach for the generation of epitope-imprinted polymer-based microarrays for protein recognition on surface plasmon resonance imaging (SPRi) chips. The SPRi platform allows the ...
