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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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Zhang, Kai
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2024A fully kinetic phase diagram-coupled multicomponent columnar-to-equiaxed grain transition model with an application to additive manufacturingcitations
- 2024Pore evolution mechanisms during directed energy deposition additive manufacturing
- 2024Unravelling dynamic recrystallisation in a microalloyed steel during rapid high temperature deformation using synchrotron X-rayscitations
- 2023Record field in a 10 mm-period bulk high-temperature superconducting undulatorcitations
- 2023The Ground State of Epitaxial Germanene on Ag(111)citations
- 2022MACHINE LEARNING METHODS FOR UNESCO CHINESE HERITAGE: COMPLEXITY AND COMPARISONScitations
- 2021Enhanced CDM model accounting of stress triaxiality and Lode angle for ductile damage prediction in metal formingcitations
- 2021Deformation Texture Evolution in Flat Profile AlMgSi Extrusions: Experiments, FEM, and Crystal Plasticity Modelingcitations
- 2020Growth of germanium-silver surface alloys followed by in situ scanning tunneling microscopy: Absence of germanene formationcitations
- 2019Assessment of advanced Taylor models, the Taylor factor and yield-surface exponent for FCC metalscitations
- 2018Through thickness variations of deformation texture in round profile extrusions of 6063-type aluminium alloy: Experiments, FEM and crystal plasticity modellingcitations
- 2017How Bound and Free Fatty Acids in Cellulose Films Impact Nonspecific Protein Adsorptioncitations
- 2017How Bound and Free Fatty Acids in Cellulose Films Impact Nonspecific Protein Adsorptioncitations
- 2014Ultra-light nanocomposite aerogels of bacterial cellulose and reduced graphene oxide for specific absorption and separation of organic liquidscitations
- 2012Solid-State Spectroscopic Characterization of α-Chitins Deacetylated in Homogeneous Solutionscitations
- 2012Donor-acceptor conjugated polymers based on p- and o-benzodifuranone and thiophene derivativescitations
- 2012Analysis of carboxylate groups in oxidized never-dried cellulose II catalyzed by TEMPO and 4-acetamide-TEMPOcitations
Places of action
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article
How Bound and Free Fatty Acids in Cellulose Films Impact Nonspecific Protein Adsorption
Abstract
The effect of fatty acids and fatty acid esters to impair nonspecific protein adsorption on cellulose thin films is investigated. Thin films are prepared by blending trimethylsilyl cellulose solutions with either cellulose stearoyl ester or stearic acid at various ratios. After film formation by spin coating, the trimethylsilyl cellulose fraction of the films is converted to cellulose by exposure to HCl vapors. The morphologies and surface roughness of the blends were examined by atomic force microscopy revealing different feature shapes and sizes depending on the blend ratios. Nonspecific protein adsorption at the example of bovine serum albumin toward the blend thin films was tested by means of surface plasmon resonance spectroscopy in real-time. Incorporation of stearic acid into the cellulose leads to highly protein repellent surfaces regardless of the amount added. The stearic acid acts as a sacrificial compound that builds a complex with bovine serum albumin thereby inhibiting protein adsorption. For the blends where stearoyl ester is added to the cellulose films, the cellulose:cellulose stearoyl ester ratios of 3:1 and 1:1 lead to much lower nonspecific protein adsorption compared to pure cellulose, whereas for the other ratios, adsorption increases. Supplementary results were obtained from atomic force microscopy experiments performed in liquid during exposure to protein solution and surface free energy determinations.