Molla Islam - Polyelectrolyte mediated intra and intermolecular crosslinking in microgel-based etalons for sensing protein concentration in solution.

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  Publication Details (including relevant citation   information): Islam, Molla R., Serpe, Michael J.,   Chem. Commun. (Cambridge, U. K.), 2013,   49 (26), pp 2646-2648

  Abstract: Biotin modified polycationic polymers   are capable of penetrating the Au overlayer of   poly(N-isopropylacrylamide)-co-acrylic acid microgel-based   etalons. Once penetrated, the polycations crosslink the   polyanionic microgels, causing them to collapse, resulting in a   concomitant blue shift of the spectral peaks in the reflectance   spectrum. We show that the magnitude of the blue shift depends on   the concn. of the biotinylated polycation soln. exposed to the   etalon. This behavior is subsequently used for biosensing   applications. [on SciFinder(R)]

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