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  • Poly(L-Lysine)-pyranine-3 coacervate mediated nanoparticle-assembly: fabrication of dynamic pH-responsive containers.

Poly(L-Lysine)-pyranine-3 coacervate mediated nanoparticle-assembly: fabrication of dynamic pH-responsive containers.

Chemical communications (Cambridge, England) (2011-11-30)
Arlin Jose Amali, Shashi Singh, Nandini Rangaraj, Digambara Patra, Rohit Kumar Rana
ABSTRACT

Counter-ion condensation of Poly(L-Lysine) in the presence of pyranine-3 generates spherical coacervates, which then template the assembly of silica nanoparticles to form microcapsule structures that dynamically control the optical ratiometric sensing of both the change in pH and release of the probe molecule.

MATERIALI
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Descrizione del prodotto

Sigma-Aldrich
Poli-L-lisina, mol wt 30,000-70,000
Sigma-Aldrich
Poly-L-lysine hydrochloride, mol wt 15,000-30,000
Sigma-Aldrich
Poli-L-lisina, mol wt 4,000-15,000 by viscosity
Sigma-Aldrich
Poli-L-lisina, mol wt 15,000-30,000 by viscosity
Sigma-Aldrich
Poly-L-lysine hydrochloride, mol wt >30,000