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Biopolymers phase separation monitored by a plasmonic sensor

Suzanna Akil-Jradi 1 Safi Jradi 1 Jerome Plain 1 Jean-Louis Bijeon 1 Christian Sanchez 2 Renaud Bachelot 1 Pascal Royer 1
1 LNIO - Laboratoire de Nanotechnologie et d'Instrumentation Optique
ICD - Institut Charles Delaunay
2 UMR IATE - Ingénierie des Agro-polymères et Technologies Émergentes
Abstract : We report here a real-time study of interactions induced phase separation between β-lactoglobulin (BLG) and Acacia gum (AG) by analyzing the localized surface plasmon resonance of silver nanoparticles. We showed that the binding of BLG to AG is accompanied by refractive index changes, in relation with optical properties and structural changes of the complexes formed.
Keywords : acacia gum beta-lactoglobulin complex coacervation interactions ordering kinetics light-scattering surface resonance nanoparticle ph
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https://hal-utt.archives-ouvertes.fr/hal-02296790
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Submitted on : Wednesday, September 25, 2019 - 3:00:18 PM
Last modification on : Friday, January 21, 2022 - 11:20:34 AM

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Suzanna Akil-Jradi, Safi Jradi, Jerome Plain, Jean-Louis Bijeon, Christian Sanchez, et al.. Biopolymers phase separation monitored by a plasmonic sensor. Chemical Communications, Royal Society of Chemistry, 2011, 47 (8), pp.2444-2446. ⟨10.1039/c0cc05212d⟩. ⟨hal-02296790⟩

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