| 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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Ajayan, Pulickel
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Topics
Publications (9/9 displayed)
- 2024Deciphering Sodium‐Ion Storage: 2D‐Sulfide versus Oxide Through Experimental and Computational Analysescitations
- 2024Tunable 2D Conjugated Porous Organic Polymer Films for Precise Molecular Nanofiltration and Optoelectronicscitations
- 2023Cooperative Copper Single Atom Catalyst in Two‐dimensional Carbon Nitride for Enhanced CO<sub>2</sub> Electrolysis to Methanecitations
- 2022Explosive percolation yields highly-conductive polymer nanocompositescitations
- 2022Sustainable valorization of asphaltenes via flash joule heatingcitations
- 2021Highly efficient photoelectric effect in halide perovskites for regenerative electron sourcescitations
- 2019Optical Control of Non-Equilibrium Phonon Dynamics.citations
- 2019Structural determination of Enzyme-Graphene Nanocomposite Sensor Material
- 2017Ultrafast non-radiative dynamics of atomically thin MoSe2citations
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document
Structural determination of Enzyme-Graphene Nanocomposite Sensor Material
Abstract
State-of-the-art ultra-sensitive blood glucose-monitoring biosensors, based on glucose oxidase (GOx) covalently linked to a single layer graphene (SLG), will be a valuable next generation diagnostic tool for personal glycemic level management. We report here our observations of sensor matrix structure obtained using a multi-physics approach towards analysis of small-angle neutron scattering (SANS) on graphene-based biosensor functionalized with GOx under different pH conditions for various hierarchical GOx assemblies within SLG. We developed a methodology to separately extract the average shape of GOx molecules within the hierarchical assemblies. The modeling is able to resolve differences in the average GOx dimer structure and shows that treatment under different pH conditions lead to differences within the GOx at the dimer contact region with SLG. The coupling of different analysis methods and modeling approaches we developed in this study provides a universal approach to obtain detailed structural quantifications, for establishing robust structure-property relationships. This is an essential step to obtain an insight into the structure and function of the GOx-SLG interface for optimizing sensor performance.