David Panáček
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View article: Redox-Switchable Single-Atom Catalyst Enables Efficient Aqueous Hydroxymethylfurfural Oxidation
Redox-Switchable Single-Atom Catalyst Enables Efficient Aqueous Hydroxymethylfurfural Oxidation Open
View article: Single-atom-enhanced membrane for simultaneous bacteria and heavy metal on-site water treatment
Single-atom-enhanced membrane for simultaneous bacteria and heavy metal on-site water treatment Open
View article: Scalable Fabrication of Electrochemical Sensors Via Inkjet Printing of Functionalized Graphene for Pesticide Detection
Scalable Fabrication of Electrochemical Sensors Via Inkjet Printing of Functionalized Graphene for Pesticide Detection Open
Nanomaterials are widely employed to enhance the performance of electrochemical sensors by modifying electrode surfaces. Traditionally, screen‐printed electrodes are manually coated with nanomaterial dispersions using the drop‐casting meth…
View article: Recent advances in graphene-based electrochemical biosensors for major non-communicable diseases
Recent advances in graphene-based electrochemical biosensors for major non-communicable diseases Open
View article: Front Cover: Graphene Derivatives as Efficient Transducing Materials for Covalent Immobilization of Biocomponents in Electrochemical Biosensors (ChemElectroChem 12/2025)
Front Cover: Graphene Derivatives as Efficient Transducing Materials for Covalent Immobilization of Biocomponents in Electrochemical Biosensors (ChemElectroChem 12/2025) Open
View article: Redox-Switchable Single-Atom Iron Dimer Catalysts for Controlled Oxidation of Biomass-Derived Hydroxymethylfurfural in Water
Redox-Switchable Single-Atom Iron Dimer Catalysts for Controlled Oxidation of Biomass-Derived Hydroxymethylfurfural in Water Open
The development of highly active and selective oxidation catalysts is essential for a broad range of reactions. Here, we introduce a robust catalyst comprising single-atom iron dimers anchored on nitrogen-doped graphene acid (Fe-NGA). The …
View article: Graphene Derivatives as Efficient Transducing Materials for Covalent Immobilization of Biocomponents in Electrochemical Biosensors
Graphene Derivatives as Efficient Transducing Materials for Covalent Immobilization of Biocomponents in Electrochemical Biosensors Open
This review highlights the role of graphene derivatives in advancing electrochemical biosensors for applications in diagnostics, environmental monitoring, and industrial sensing. Graphene derivatives, including graphene oxide (GO), reduced…
View article: Light Irradiation of N‐Doped Graphene Acid: Metal‐Free Strategy Toward Antibacterial and Antiviral Coatings With Dual Modes of Action
Light Irradiation of N‐Doped Graphene Acid: Metal‐Free Strategy Toward Antibacterial and Antiviral Coatings With Dual Modes of Action Open
The increasing emergence of antimicrobial resistance and the development of new infective viral strains represent a constantly growing threat. Metal‐based nanomaterials have emerged as promising tools in the fight against bacterial and vir…
View article: Single-Atom Enhanced Membrane for Simultaneous Bacteria and Heavy Metal On-Site Water Treatment
Single-Atom Enhanced Membrane for Simultaneous Bacteria and Heavy Metal On-Site Water Treatment Open
View article: E. coli and S. aureus resist silver nanoparticles via an identical mechanism, but through different pathways
E. coli and S. aureus resist silver nanoparticles via an identical mechanism, but through different pathways Open
View article: Single Atom Engineered Antibiotics Overcome Bacterial Resistance
Single Atom Engineered Antibiotics Overcome Bacterial Resistance Open
The outbreak of antibiotic‐resistant bacteria, or “superbugs”, poses a global public health hazard due to their resilience against the most effective last‐line antibiotics. Identifying potent antibacterial agents capable of evading bacteri…
View article: Graphene derivative-based ink advances inkjet printing technology for fabrication of electrochemical sensors and biosensors
Graphene derivative-based ink advances inkjet printing technology for fabrication of electrochemical sensors and biosensors Open
View article: Graphene Derivative-Based Ink Advances Inkjet Printing Technology for Fabrication of Electrochemical Sensors and Biosensors
Graphene Derivative-Based Ink Advances Inkjet Printing Technology for Fabrication of Electrochemical Sensors and Biosensors Open
View article: Click and Detect: Versatile Ampicillin Aptasensor Enabled by Click Chemistry on a Graphene–Alkyne Derivative (Small 51/2023)
Click and Detect: Versatile Ampicillin Aptasensor Enabled by Click Chemistry on a Graphene–Alkyne Derivative (Small 51/2023) Open
Antibiotic Detection In article number 2207216, Michal Otyepka and co-workers report on a simple and fast methodology to construct an aptasensor. An aptamer sensitive for ampicillin is conjugated to graphene derivative by a click chemistry…
View article: Magnetic Polaron States in Photoluminescent Carbon Dots Enable Hydrogen Peroxide Photoproduction (Small 32/2023)
Magnetic Polaron States in Photoluminescent Carbon Dots Enable Hydrogen Peroxide Photoproduction (Small 32/2023) Open
Photoluminescent Carbon Dots In article number 2206587, Miroslav Medveď, Giorgio Zoppellaro, Radek Zbořil, Michal Otyepka, and co-workers report on the photogeneration of long-lived magnetic electron/hole polaron states in aspartic acid-ba…
View article: Hematene: A sustainable 2D conductive platform for visible-light-driven photocatalytic ammonia decomposition
Hematene: A sustainable 2D conductive platform for visible-light-driven photocatalytic ammonia decomposition Open
The emerging class of 2D non-van der Waals (n-vdW) materials, including 2D iron oxides, possesses unique
\nproperties and high applicability, making them attractive for various technological applications. However, the
\nsynthesis of thes…
View article: Carbon Dots Enabling Parts‐Per‐Billion Sensitive and Ultraselective Photoluminescence Lifetime‐Based Sensing of Inorganic Mercury
Carbon Dots Enabling Parts‐Per‐Billion Sensitive and Ultraselective Photoluminescence Lifetime‐Based Sensing of Inorganic Mercury Open
One of the UN Sustainable Development Goals is to ensure universal access to clean drinking water. Among the various types of water contaminants, mercury (Hg) is considered to be one of the most dangerous ones. It is mostly its immense tox…
View article: Magnetic Polaron States in Photoluminescent Carbon Dots Enable Hydrogen Peroxide Photoproduction
Magnetic Polaron States in Photoluminescent Carbon Dots Enable Hydrogen Peroxide Photoproduction Open
Experimental data and data from theoretical simulations for Figures 1-5 in the main text of the submitted manuscript.
View article: Magnetic Polaron States in Photoluminescent Carbon Dots Enable Hydrogen Peroxide Photoproduction
Magnetic Polaron States in Photoluminescent Carbon Dots Enable Hydrogen Peroxide Photoproduction Open
Photoactivation of aspartic acid‐based carbon dots (Asp‐CDs) induces the generation of spin‐separated species, including electron/hole (e − /h + ) polarons and spin‐coupled triplet states, as uniquely confirmed by the light‐induced electro…
View article: Click and Detect: Versatile Ampicillin Aptasensor Enabled by Click Chemistry on a Graphene–Alkyne Derivative
Click and Detect: Versatile Ampicillin Aptasensor Enabled by Click Chemistry on a Graphene–Alkyne Derivative Open
Tackling the current problem of antimicrobial resistance (AMR) requires fast, inexpensive, and effective methods for controlling and detecting antibiotics in diverse samples at the point of interest. Cost‐effective, disposable, point‐of‐ca…
View article: Click and Detect: Versatile Ampicillin Aptasensor Enabled by Click Chemistry on a Graphene-Alkyne Derivative
Click and Detect: Versatile Ampicillin Aptasensor Enabled by Click Chemistry on a Graphene-Alkyne Derivative Open
Tackling the current problem of antimicrobial resistance requires fast, inexpensive and effective methods for controlling and detecting antibiotics in diverse samples at the point of interest. Cost-effective, disposable, point-of-care elec…
View article: Metal-free cysteamine-functionalized graphene alleviates mutual interferences in heavy metal electrochemical detection
Metal-free cysteamine-functionalized graphene alleviates mutual interferences in heavy metal electrochemical detection Open
A metal-free thiol-modified graphene derivative introduces a reusable approach to alleviate mutual interference in electrochemical heavy metal detection.
View article: Graphene Nanobeacons with High‐Affinity Pockets for Combined, Selective, and Effective Decontamination and Reagentless Detection of Heavy Metals
Graphene Nanobeacons with High‐Affinity Pockets for Combined, Selective, and Effective Decontamination and Reagentless Detection of Heavy Metals Open
Access to clean water for drinking, sanitation, and irrigation is a major sustainable development goal of the United Nations. Thus, technologies for cleaning water and quality‐monitoring must become widely accessible and of low‐cost, while…
View article: Restoration of antibacterial activity of inactive antibiotics via combined treatment with a cyanographene/Ag nanohybrid
Restoration of antibacterial activity of inactive antibiotics via combined treatment with a cyanographene/Ag nanohybrid Open
View article: Label-free and reagentless electrochemical genosensor based on graphene acid for meat adulteration detection
Label-free and reagentless electrochemical genosensor based on graphene acid for meat adulteration detection Open
View article: Microbial Resistance: Silver Covalently Bound to Cyanographene Overcomes Bacterial Resistance to Silver Nanoparticles and Antibiotics (Adv. Sci. 12/2021)
Microbial Resistance: Silver Covalently Bound to Cyanographene Overcomes Bacterial Resistance to Silver Nanoparticles and Antibiotics (Adv. Sci. 12/2021) Open
Silver covalently bound to cyanographene overcomes bacterial‐resistance mechanisms to silver nanoparticles, eliminating such highly persistent microorganisms at concentrations thirty times lower than free silver nanoparticles. The strong c…
View article: Silver Covalently Bound to Cyanographene Overcomes Bacterial Resistance to Silver Nanoparticles and Antibiotics
Silver Covalently Bound to Cyanographene Overcomes Bacterial Resistance to Silver Nanoparticles and Antibiotics Open
The ability of bacteria to develop resistance to antibiotics is threatening one of the pillars of modern medicine. It was recently understood that bacteria can develop resistance even to silver nanoparticles by starting to produce flagelli…
View article: Human virus detection with graphene-based materials
Human virus detection with graphene-based materials Open