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We investigated the coating of glass-supported gold nanostructures with polyelectrolyte multilayers. To achieve selective coating of either the metal or the glass, thiol and silane monolayers with different functionalities were used. Self-assembled monolay ...
Interaction forces between silica surfaces with adsorbed poly (amidoamine) (PAMAM) dendrimers were measured with the colloidal probe technique based on the atomic force microscope (AFM). At small separations, attractive non-DLVO forces are observed. These ...
The electrostatic driven complex formation between a weak polyampholyte chain and one pos. charged nanoparticle is investigated using Monte Carlo simulations. The influence of parameters such as the polyampholyte contour length, no. and size of blocks, nan ...
A novel double layer proton exchange membrane (PEM) comprising a layer of structurally modified chitosan, as a methanol barrier layer, coated on Nafion (R) 112 was prepared and assessed for direct methanol fuel cell (DMFC) applications. Scanning electron m ...
A series of acrylamide/dimethylaminoethylacrylate methyl chloride copolymers (AM-co-DMAEA) was evaluated as flocculants for model Precipitated Calcium Carbonate (FCC) in distilled water. These cationic polyelectrolytes (PEL) differed by their AM/DMAEA rati ...
Wiley-Blackwell2010
Bis-1,3(N,N,N-trimethylammonium)-2-propylmethacrylate dichloride (di-M) and bis-1,3(N,N,N-trimethylammonium)-2-propylacrylate dichloride (di-A), two new double-charged monomers, were the subject of the research reported in this thesis. These monomers provi ...
EPFL2009
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The achievement of high ionic conductivity in single-ion conducting polymer electrolytes is one of the important aims for various electrochemical devices including modern lithium batteries. One way to enhance the ionic conductivity in polyelectrolyte syste ...
2011
Imagine a small integrated biomedical analysis laboratory, connected to your home computer, which would be capable of diagnosing illnesses, a lack of vitamins, or the over-presence of substances from samples of blood, urine or saliva. This hypothetic syste ...
EPFL2010
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The natural turnover of free hyaluronic acid (HA) is predominantly based on its CD44-mediated internalisation in leukocytes. In a phagocytic cell model (RAW 264.7 murine macrophages) we here provide conclusive evidence that this receptor-mediated mechanism ...
Elsevier2013
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The formation of complexes between nanoparticles and polyelectrolytes is a key process for the control of the reactivity of manufd. nanoparticles and rational design of core shell nanostructures. In this work, we investigate the influence of the nanopartic ...
