Template-controlled piezoactivity of ZnO thin films grown via a bioinspired approach

• Nina J. Blumenstein,
• Fabian Streb,
• Stefan Walheim,
• Thomas Schimmel,
• Zaklina Burghard and
• Joachim Bill

Beilstein J. Nanotechnol. 2017, 8, 296–303, doi:10.3762/bjnano.8.32

• ]. Additionally, organic templates are used to modify the surface of the substrate. Especially self-assembled monolayers (SAMs) [23][24], thin polymer brushes [25] or polyelectrolyte multilayers (PEL) [26] were successfully applied for the deposition of ZnO thin films. With these molecules, a multitude of

Impact of surface wettability on S-layer recrystallization: a real-time characterization by QCM-D

• Jagoba Iturri,
• Ana C. Vianna,
• Alberto Moreno-Cencerrado,
• Dietmar Pum,
• Uwe B. Sleytr and
• José Luis Toca-Herrera

Beilstein J. Nanotechnol. 2017, 8, 91–98, doi:10.3762/bjnano.8.10

• , gold) [5][6][7][8][9], with coatings of different nature (lipid bilayers, SAMs, polyelectrolyte multilayers) [10][11][12][13][14] and even on structures with an important contribution in the Z-axis, as recently reported for charged polyelectrolyte brushes [15]. However, some fundamental questions are

3D solid supported inter-polyelectrolyte complexes obtained by the alternate deposition of poly(diallyldimethylammonium chloride) and poly(sodium 4-styrenesulfonate)

• Eduardo Guzmán,
• Armando Maestro,
• Sara Llamas,
• Jesús Álvarez-Rodríguez,
• Francisco Ortega,
• Ángel Maroto-Valiente and
• Ramón G. Rubio

Beilstein J. Nanotechnol. 2016, 7, 197–208, doi:10.3762/bjnano.7.18

• the polyelectrolyte multilayers. Keywords: charge compensation; hydration; polyelectrolyte multilayers; stratification; swelling; Introduction The new requirements of science and technology have created an increasing interest for the fabrication of materials with reduced dimensionality for their

• also be built based on other intermolecular forces, for instance hydrogen bonds, acid–base reactions, covalent cross-linking and host–guest interactions [11][12]. Polyelectrolyte multilayers can be considered an example of non-equilibrium materials, because the corresponding soluble or insoluble

• content), the internal structure of the films and their mechanical properties are probably the most important [15][16][17][18][19]. This work studies polyelectrolyte multilayers formed by poly(diallyldimethylammonium chloride) (PDADMAC) and poly(sodium 4-styrenesulfonate) (PSS) from solutions of different

Fabrication and characterization of novel multilayered structures by stereocomplexion of poly(D-lactic acid)/poly(L-lactic acid) and self-assembly of polyelectrolytes

• Elena Dellacasa,
• Li Zhao,
• Gesheng Yang,
• Laura Pastorino and
• Gleb B. Sukhorukov

Beilstein J. Nanotechnol. 2016, 7, 81–90, doi:10.3762/bjnano.7.10

• research on the behavior of the growth of conventional polyelectrolyte multilayers, where the underlying precursor was shown to have some influence [47]. Another phenomenon that was observed is that an odd number of PLA layers is always thicker than an even number of layers. This is due to the “dotted

pH-Triggered release from surface-modified poly(lactic-co-glycolic acid) nanoparticles

• Manuel Häuser,
• Klaus Langer and
• Monika Schönhoff

Beilstein J. Nanotechnol. 2015, 6, 2504–2512, doi:10.3762/bjnano.6.260

• the nanoparticles with high concentrations of sodium chloride shows no further release and thus demonstrates the pH-driven release to be quantitative. Keywords: layer-by-layer self-assembly; pH-triggered release; PLGA nanoparticles; polyelectrolyte multilayers; weak polyelectrolyte; Introduction The

• ultrathin polyelectrolyte multilayers (PEM) with well adjustable properties and architecture. Layer build-up is based on alternating adsorption of cationic and anionic compounds, such as polyelectrolytes [15], proteins [16], nucleic acids [17][18], dyes [19], and even colloids [14] onto the surface of

• , polyelectrolyte multilayers have already in various cases been applied for pH-driven release, based on weak polyelectrolyte components [22][23][24][25][26][27]. Nanoparticles can be used as carrier systems for the transport of drugs to cells and tissues. Once getting in contact with cells nanoparticles can be

Growth behaviour and mechanical properties of PLL/HA multilayer films studied by AFM

• Cagri Üzüm,
• Johannes Hellwig,
• Narayanan Madaboosi,
• Dmitry Volodkin and
• Regine von Klitzing

Beilstein J. Nanotechnol. 2012, 3, 778–788, doi:10.3762/bjnano.3.87

• measurements show that PLL/HA films have a viscoelastic behaviour, regardless of their thickness. If indentation is performed several times at the same lateral position on the film, a viscous/plastic deformation takes place. Keywords: atomic force microscopy; polyelectrolyte multilayers; stress relaxation

• ; viscoelasticity; Young’s modulus; Introduction Polyelectrolyte multilayers (PEMs) have been studied intensely for the past two decades [1][2]. Despite their complex structure and wide range of applicability, PEMs can be prepared simply by alternating deposition of polycations and polyanions by dipping/spraying a