Uptake of pH-Sensitive Gold Nanoparticles in Strong Polyelectrolyte Brushes
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چکیده
منابع مشابه
Uptake of pH-Sensitive Gold Nanoparticles in Strong Polyelectrolyte Brushes
The impact of electrostatic attraction on the uptake of gold nanoparticles (AuNPs) into positively charged strong poly-[2-(Methacryloyloxy) ethyl] trimethylammonium chloride (PMETAC) polyelectrolyte brushes was investigated. In this work, PMETAC brushes were synthesized via surface-initiated atom transfer radical polymerization (Si-ATRP). PMETAC/AuNP composite materials were prepared by incubat...
متن کاملSupplementary Materials: Uptake of pH-Sensitive Gold Nanoparticles in Strong Polyelectrolyte Brushes
The mass of AuNP (mgold) in 1 mL AuNP suspension is (1.6 ± 0.4)×10−3 g, as derived by gravimetric analysis. In order to calculate the total amount of substance (ntotal) of AuNPs in 1 mL suspension, the total number of particles (Ntotal) in 1 mL AuNP suspension has to be calculated. This was done by estimating the mass of a single AuNP. Assuming a spherical shape and an uniform face centered cub...
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In this work we report on the synthesis and characterization of Au nanoparticles grown in the inner environment of cationic polyelectrolyte brushes. The nanocomposite synthesis relies on loading the macromolecular film with AuCl4 2 precursor ions followed by their in situ reduction to Au nanoparticles. We observed that the nanoparticles are uniform in size and are fully stabilized by the surrou...
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Weak polyelectrolytes have found extensive practical applications owing to their rich pH-responsive properties. In contrast, strong polyelectrolytes have long been regarded as pH-insensitive based on the well-established fact that the average degree of charging of strong polyelectrolyte chains is independent of pH. The possible applications of strong polyelectrolytes in smart materials have, th...
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Physical Chemistry, Department of Chemist E-mail: jerome.crassous@em1.lu.se; Fax: BASF Construction Polymers GmbH, 83308 Colloid Chemistry, University of Konstanz, Macromolecular Chemistry II, University of SoMatter and Functional Materials, Helm Energie GmbH, 14109 Berlin, Germany Department of Physics, Humboldt Universit † Electronic supplementary informa 10.1039/c3sm51200b Cite this: Soft ...
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ژورنال
عنوان ژورنال: Polymers
سال: 2016
ISSN: 2073-4360
DOI: 10.3390/polym8040134