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Fahs, A. & Louarn, G. (2013) Plant protein interactions studied using AFM force spectroscopy: nanomechanical and adhesion properties. Phys. Chem. Chem. Phys. 15 11339–11348. 
Added by: Laurent Cournède (2016-03-10 21:23:32)
Type de référence: Article
DOI: 10.1039/c3cp51007g
Numéro d'identification (ISBN etc.): 1463-9076
Clé BibTeX: Fahs2013
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Catégories: PMN
Mots-clés: brassica-napus l, coated surfaces, elasticity, functional-groups, microscopy, rapeseed proteins, seed, self-assembled monolayers, titin, whey proteins
Créateurs: Fahs, Louarn
Collection: Phys. Chem. Chem. Phys.
Consultations : 1/455
Indice de consultation : 3%
Indice de popularité : 0.75%
The present work was focused on the nanomechanical and adhesion properties of the napin (2S albumin) and cruciferin (12S globulin) rapeseed (Brassica napus L.) proteins, respectively, a low and high molecular weight seed protein. Using chemically modified AFM tips, force spectroscopy experiments demonstrated notable differences in the tip-protein interaction strength with regard to the nature of the protein and pH of the aqueous environment. The results clearly underline the role of residence time and electrostatic interactions in the protein-protein adhesion force. Although the nanomechanical experiments concerned more than a single molecule, unfolding length and force characteristics of the rapeseed proteins have been statistically found to be sensitive to the structural properties of the protein. This study provides insight into the characterization of rapeseed proteins and then a better knowledge of their interaction and assembling at the nanoscale range.
Added by: Laurent Cournède  
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