title: Single flexible hydrophobic polyelectrolyte molecules adsorbed on solid substrate: transition between a stretched chain, necklace-like conformation and a globule.
abstract: Single flexible polyelectrolyte molecules of poly(2-vinylpyridine) undergo conformational transition from a stretched wormlike coil to a necklace-like globule, and to a compact globule depending on pH and ionic strength in aqueous solution in good agreement with recent theoretical reports. AFM investigations allow the visualization of details of the chain conformation on mica and the extraction of quantitative statistics of molecular dimensions.
authors.affiliation: Institut für Polymerforschung Dresden, Hohe Strasse 6, 01069 Dresden, Germany. minko@ipfdd.de
authors.forename: Sergiy
authors.initials: S
authors.lastname: Minko
authors.forename: Anton
authors.initials: A
authors.lastname: Kiriy
authors.forename: Ganna
authors.initials: G
authors.lastname: Gorodyska
authors.forename: Manfred
authors.initials: M
authors.lastname: Stamm