| People | Locations | Statistics |
|---|---|---|
| Naji, M. |
| |
| Motta, Antonella |
| |
| Aletan, Dirar |
| |
| Mohamed, Tarek |
| |
| Ertürk, Emre |
| |
| Taccardi, Nicola |
| |
| Kononenko, Denys |
| |
| Petrov, R. H. | Madrid |
|
| Alshaaer, Mazen | Brussels |
|
| Bih, L. |
| |
| Casati, R. |
| |
| Muller, Hermance |
| |
| Kočí, Jan | Prague |
|
| Šuljagić, Marija |
| |
| Kalteremidou, Kalliopi-Artemi | Brussels |
|
| Azam, Siraj |
| |
| Ospanova, Alyiya |
| |
| Blanpain, Bart |
| |
| Ali, M. A. |
| |
| Popa, V. |
| |
| Rančić, M. |
| |
| Ollier, Nadège |
| |
| Azevedo, Nuno Monteiro |
| |
| Landes, Michael |
| |
| Rignanese, Gian-Marco |
|
Wilson, Bp
Aalto University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (20/20 displayed)
- 2023Assessment of environmental sustainability of nickel required for mobility transitioncitations
- 2022Electrochemical Growth of Ag/Zn Alloys from Zinc Process Solutions and Their Dealloying Behaviorcitations
- 2022A New Hydrometallurgical Process for Metal Extraction from Electric Arc Furnace Dust Using Ionic Liquidscitations
- 2022Green and Controllable Preparation of Cu/Zn Alloys Using Combined Electrodeposition and Redox Replacementcitations
- 2022Targeted surface modification of Cu/Zn/Ag coatings and Ag/Cu particles based on sacrificial element selection by electrodeposition and redox replacementcitations
- 2021Cyclic voltammetry and potentiodynamic polarization studies of chalcopyrite concentrate in glycine mediumcitations
- 2021Biopolymeric Anticorrosion Coatings from Cellulose Nanofibrils and Colloidal Lignin Particlescitations
- 2020A sustainable two-layer lignin-anodized composite coating for the corrosion protection of high-strength low-alloy steelcitations
- 2020Investigation of the anticorrosion performance of lignin coatings after crosslinking with triethyl phosphate and their adhesion to a polyurethane topcoat
- 2019Modelling of silver anode dissolution and the effect of gold as impurity under simulated industrial silver electrorefining conditionscitations
- 2018From waste to valuable resource: Lignin as a sustainable anti-corrosion coatingcitations
- 2018A direct synthesis of platinum/nickel co-catalysts on titanium dioxide nanotube surface from hydrometallurgical-type process streamscitations
- 2018Selective reductive leaching of cobalt and lithium from industrially crushed waste Li-ion batteries in sulfuric acid systemcitations
- 2018Kinetic study and modelling of silver dissolution in synthetic industrial silver electrolyte as a function of electrolyte composition and temperaturecitations
- 2017Strongly reduced thermal conductivity in hybrid ZnO/nanocellulose thin filmscitations
- 2017Carbon Nanostructure Based Platform for Enzymatic Glutamate Biosensorscitations
- 2017Leaching of Sb from TROF furnace Doré slagcitations
- 2016Carbon nanotube-copper composites by electrodeposition on carbon nanotube fiberscitations
- 2006Formation of ultra-thin amorphous conversion films on zinc alloy coatingscitations
- 2002Investigating changes in corrosion mechanism induced by laser welding galvanised steel specimens using scanning vibrating electrode techniquecitations
Places of action
| Organizations | Location | People |
|---|
article
Carbon Nanostructure Based Platform for Enzymatic Glutamate Biosensors
Abstract
Hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) is an important molecule produced in various enzymatic reactions. It is especially important in electrochemical, enzymatic biosensors detecting electroinactive analytes, such as glucose, cholesterol, and glutamate. Thus, there is a strong need for materials that have high affinity for H<sub>2</sub>O<sub>2</sub> oxidation or reduction as well as enable immobilization and sustain enzyme activity without any additional polymer layers. Carbon nanofibers (CNFs) directly grown on tetrahedral amorphous carbon (ta-C) are feasible candidates for this purpose as they possess a reasonably wide water window (1.8 V) and good activity for H<sub>2</sub>O<sub>2</sub> reduction in physiological pH and contain innately large amounts of suitable functional groups for enzyme immobilization. Here we show their use in ultrafast (<0.05 s) detection of H<sub>2</sub>O<sub>2</sub> with the limit of detection of 26 μM and sensitivity of 0.221 A M<sup>–1</sup> cm<sup>–2</sup>. Moreover, we show that ta-C/CNF hybrids can be used directly without the mass-transfer limiting polymer layers as effective immobilization platforms for glutamate oxidase for further applications in ultrafast (<0.05 s) glutamate detection. Finally, rat glial cells cultured on CNFs grown from ta-C without any additional coatings, such as polylysine, showed good adhesion on CNFs and no signs of cytotoxicity, indicating suitability of the material for future in vivo applications. This simplified and miniaturized structure provides an extremely interesting platform for various different enzyme-based electrochemical sensors.