693.932 PEOPLE
| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Laurila, Tomi
Aalto University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (96/96 displayed)
- 2024Advanced nanocellulose-based electrochemical sensor for tetracycline monitoringcitations
- 2024Enhancing electrocatalytic activity in metallic thin films through surface segregation of carboncitations
- 2024Ni Drastically Modifies the Microstructure and Electrochemistry of Thin Ti and Cr Layerscitations
- 2024Effect of etchant gases on the structure and properties of carbon nanofiberscitations
- 2023Correlation between microstructure and surface chemistry of carbon nanofibers grown using different adhesive layerscitations
- 2023An ultra-sensitive dopamine measurement platform based on molecularly imprinted polymer-carbon hybrid nanomaterials for in vitro usecitations
- 2023Enhancing electrocatalytic activity in metallic thin films through surface segregation of carboncitations
- 2023Interface matters - Effects of catalyst layer metallurgy on macroscale morphology and electrochemical performance of carbon nanofiber electrodescitations
- 2023Protein Adsorption and Its Effects on Electroanalytical Performance of Nanocellulose/Carbon Nanotube Composite Electrodescitations
- 2022Nanoscale geometry determines mechanical biocompatibility of vertically aligned nanofiberscitations
- 2021Electrochemical Detection of Morphine in Untreated Human Capillary Whole Bloodcitations
- 2021Three-Dimensional Fine Structure of Nanometer-Scale Nafion Thin Filmscitations
- 2021Nanostructured Geometries Strongly Affect Fouling of Carbon Electrodescitations
- 2021Functionalized Nanocellulose/Multiwalled Carbon Nanotube Composites for Electrochemical Applicationscitations
- 2021What Determines the Electrochemical Properties of Nitrogenated Amorphous Carbon Thin Films?citations
- 2021Connection between the physicochemical characteristics of amorphous carbon thin films and their electrochemical propertiescitations
- 2020Biofouling affects the redox kinetics of outer and inner sphere probes on carbon surfaces drastically differently - implications to biosensingcitations
- 2020Machine learning driven simulated deposition of carbon films: from low-density to diamondlike amorphous carboncitations
- 2019Selective detection of morphine in the presence of paracetamol with anodically pretreated dual layer Ti/tetrahedral amorphous carbon electrodescitations
- 2019Understanding X-ray Spectroscopy of Carbonaceous Materials by Combining Experiments, Density Functional Theory, and Machine Learning. Part Icitations
- 2019Integrating Carbon Nanomaterials with Metals for Bio-sensing Applicationscitations
- 2019Effect of thickness and additional elements on the filtering properties of a thin Nafion layercitations
- 2019Understanding X-ray Spectroscopy of Carbonaceous Materials by Combining Experiments, Density Functional Theory, and Machine Learning. Part I: Fingerprint Spectracitations
- 2019Hybrid X-Ray Spectroscopy-Based approach to acquire chemical and structural information of single-Walled carbon nanotubes with superior sensitivitycitations
- 2019In-situ functionalization of tetrahedral amorphous carbon by filtered cathodic arc depositioncitations
- 2019Simultaneous electrochemical detection of tramadol and O-desmethyltramadol with Nafion-coated tetrahedral amorphous carbon electrodecitations
- 2019Effect of Power Density on the Electrochemical Properties of Undoped Amorphous Carbon (a-C) Thin Filmscitations
- 2019Multiwalled Carbon Nanotubes/Nanofibrillar Cellulose/Nafion Composite-Modified Tetrahedral Amorphous Carbon Electrodes for Selective Dopamine Detectioncitations
- 2019Fabrication of micro- and nanopillars from pyrolytic carbon and tetrahedral amorphous carboncitations
- 2018Selective detection of morphine in the presence of paracetamol with anodically pretreated dual layer Ti/tetrahedral amorphous carbon electrodescitations
- 2018Characterization and electrochemical properties of iron-doped tetrahedral amorphous carbon (ta-C) thin filmscitations
- 2018Reactivity of Amorphous Carbon Surfaces: Rationalizing the Role of Structural Motifs in Functionalization Using Machine Learningcitations
- 2018Computational Surface Chemistry of Tetrahedral Amorphous Carbon by Combining Machine Learning and Density Functional Theorycitations
- 2018Growth Mechanism and Origin of High sp3 Content in Tetrahedral Amorphous Carboncitations
- 2018Growth Mechanism and Origin of High sp^{3} Content in Tetrahedral Amorphous Carbon.
- 2018Special features of the electrochemistry of undoped tetrahedral amorphous carbon (ta-C) thin filmscitations
- 2018Unmodified and multi-walled carbon nanotube modified tetrahedral amorphous carbon (ta-C) films as in vivo sensor materials for sensitive and selective detection of dopaminecitations
- 2018Reactivity of Amorphous Carbon Surfacescitations
- 2018Reactivity of Amorphous Carbon Surfaces: Rationalizing the Role of Structural Motifs in Functionalization Using Machine Learning.
- 2018Nanodiamonds on tetrahedral amorphous carbon significantly enhance dopamine detection and cell viabilitycitations
- 2017Amorphous carbon thin film electrodes with intrinsic Pt-gradient for hydrogen peroxide detectioncitations
- 2017Amorphous carbon thin film electrodes with intrinsic Pt-gradient for hydrogen peroxide detectioncitations
- 2017Doping as a means to probe the potential dependence of dopamine adsorption on carbon-based surfacescitations
- 2017Carbon Nanostructure Based Platform for Enzymatic Glutamate Biosensorscitations
- 2017Partially Reduced Graphene Oxide Modified Tetrahedral Amorphous Carbon Thin-Film Electrodes as a Platform for Nanomolar Detection of Dopaminecitations
- 2017Doping as a means to probe the potential dependence of dopamine adsorption on carbon-based surfaces: A first-principles studycitations
- 2017Electron transport determines the electrochemical properties of tetrahedral amorphous carbon (ta-C) thins filmscitations
- 2017Nanodiamonds on tetrahedral amorphous carbon significantly enhance dopamine detection and cell viabilitycitations
- 2017Defects, Driving Forces and Definitions of Diffusion Coefficients in Solidscitations
- 2016Characterization and Electrochemical Properties of Oxygenated Amorphous Carbon (a-C) Filmscitations
- 2016What Does Nitric Acid Really Do to Carbon Nanofibers?citations
- 2016Structural morphology of carbon nanofibers grown on different substratescitations
- 2016Effect of Ni content on the diffusion-controlled growth of the product phases in the Cu(Ni)-Sn systemcitations
- 2016Correlation between sp3-to-sp2 Ratio and Surface Oxygen Functionalities in Tetrahedral Amorphous Carbon (ta-C) Thin Film Electrodes and Implications of Their Electrochemical Propertiescitations
- 2016Electrochemical detection of hydrogen peroxide on platinum-containing tetrahedral amorphous carbon sensors and evaluation of their biofouling propertiescitations
- 2016Microstructural Evolution and Mechanical Properties in (AuSn)eut-Cu Interconnectionscitations
- 2015Electrochemical reactions of catechol, methylcatechol and dopamine at tetrahedral amorphous carbon (ta-C) thin film electrodescitations
- 2015Cycle aging of commercial NMC/graphite pouch cells at different temperaturescitations
- 2015Trifluoroacetylazobenzene for optical and electrochemical detection of aminescitations
- 2015Piezoelectric coefficients and spontaneous polarization of ScAlNcitations
- 2015Electrochemical detection of hydrogen peroxide on platinum-containing tetrahedral amorphous carbon sensors and evaluation of their biofouling propertiescitations
- 2014Understanding the effect of electromigration on the growth of interfacial reaction layers in Cu-Sn and Cu-Ni-Sn systemscitations
- 2014Phase evolution in the AuCu/Sn system by solid-state reactive diffusioncitations
- 2014Atomic and electronic structure of tetrahedral amorphous carbon surfaces from density functional theorycitations
- 2014New electrochemically improved tetrahedral amorphous carbon films for biological applicationscitations
- 2012The combined effect of shock impacts and operational power cycles on the reliability of handheld device component board interconnectionscitations
- 2011Diffusion and growth of the µ phase (Ni6Nb7) in the Ni-Nb systemcitations
- 2010Study on the growth of Nb3Sn superconductor in Cu(Sn)/Nb diffusion couple
- 2010Impurity and alloying effects on interfacial reaction layers in Pb-free solderingcitations
- 2009Combined thermodynamic-kinetic analysis of the interfacial reactions between Ni metallization and various lead-free solderscitations
- 2009Effect of Ag, Fe, Au and Ni on the growth kinetics of Sn-Cu intermetallic compound layerscitations
- 2009Determination of diffusion parameters and activation energy of diffusion in V3Si phase with A15 crystal structurecitations
- 2009Understanding materials compatibility issues in electronics packaging
- 2008Formation of Intermetallic Compounds Between Liquid Sn and Various CuNix Metallizationscitations
- 2007A comparative study of power cycling and thermal shock testscitations
- 2007Evolution of microstructure and failure mechanism of lead-free solder interconnections in power cycling and thermal shock testscitations
- 2007Solid-state reactions between Cu(Ni) alloys and Sncitations
- 2006Phase formation between lead-free Sn-Ag-Cu solder and Ni(P)/Au finishescitations
- 2005Analysis of the redeposition of AuSn4 on Ni/Au contact pads when using SnPbAg, SnAg, and SnAgCu solderscitations
- 2005Interfacial reactions between lead-free solders and common base materialscitations
- 2004Interfacial reactions in the Si/TaC/Cu systemcitations
- 2004Analyses of interfacial reactions at different levels of interconnectioncitations
- 2004Reactive blending approach to modify spin coated epoxy film
- 2002TaC as a diffusion barrier between Si and Cucitations
- 2002Amorphous layer formation at the TaC/Cu interface in the Si/TaC/Cu metallization systemcitations
- 2002Amorphous layer formation at the TaC/Cu interface in the Si/TaC/Cu metallization systemcitations
- 2002Evaluation of the surface free energy of spin-coated photodefinable epoxycitations
- 2002Tantalum carbide and nitride diffusion barriers for Cu metallisationcitations
- 2002Effect of oxygen on the reactions in Si/Ta/Cu and Si/TaC/Cu systemscitations
- 2002Tantalum carbide and nitride diffusion barriers for Cu metallizationcitations
- 2002Reactive sputter deposition and properties of TaxN thin filmscitations
- 2001Tantalum-based diffusion barriers for copper metallization
- 2001Effect of oxygen on the reactions in the Si/Ta/Cu metallization systemcitations
- 2000Chemical stability of Ta diffusion barrier between Cu and Sicitations
- 2000Reactively sputtered Ta2N and TaN diffusion barriers for copper metallization
- 2000Failure mechanism of Ta diffusion barrier between Cu and Sicitations
Places of action
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article
Biofouling affects the redox kinetics of outer and inner sphere probes on carbon surfaces drastically differently - implications to biosensing
Abstract
<p>Biofouling imposes a significant threat for sensing probes used in vivo. Antifouling strategies commonly utilize a protective layer on top of the electrode but this may compromise performance of the electrode. Here, we investigated the effect of surface topography and chemistry on fouling without additional protective layers. We have utilized two different carbon materials; tetrahedral amorphous carbon (ta-C) and SU-8 based pyrolytic carbon (PyC) in their typical smooth thin film structure as well as with a nanopillar topography templated from black silicon. The near edge X-ray absorption fine structure (NEXAFS) spectrum revealed striking differences in chemical functionalities of the surfaces. PyC contained equal amounts of ketone, hydroxyl and ether/epoxide groups, while ta-C contained significant amounts of carbonyl groups. Overall, oxygen functionalities were significantly increased on nanograss surfaces compared to the flat counterparts. Neither bovine serum albumin (BSA) or fetal bovine serum (FBS) fouling caused major effects on electron transfer kinetics of outer sphere redox (OSR) probe Ru(NH3)63+ on any of the materials. In contrast, negatively charged OSR probe IrCl62- kinetics were clearly affected by fouling, possibly due to the electrostatic repulsion between redox species and the anionically-charged proteins adsorbed on the electrode and/or stronger interaction of the proteins and positively charged surface. The OSR probe kinetics were less affected by fouling on PyC, probably due to conformational changes of proteins on the surface. Dopamine (DA) was tested as an inner sphere redox (ISR) probe and as expected, the kinetics were heavily dependent on the material; PyC had very fast electron transfer kinetics, while ta-C had sluggish kinetics. DA electron transfer kinetics were heavily affected on all surfaces by fouling (ΔEp increase 30-451%). The effect was stronger on PyC, possibly due to the more strongly adhered protein layer limiting the access of the probe to the inner sphere.</p>