Results 191 to 200 of about 101,275 (234)
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Langmuir and Langmuir−Blodgett Films of Amphiphilic Bistable Rotaxanes
Langmuir, 2004A series of amphiphilic bistable [2]rotaxanes--in which a ring-shaped component, the tetracationic cyclophane, cyclobis(paraquat-p-phenylene), has been assembled around two recognition sites, a tetrathia-fulvalene (TTF) unit and a 1,5-dioxynaphthalene (DNP) ring system, situated apart at different strategic locations within the central polyether ...
Lee, I.C. +6 more
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Langmuir and Langmuir-Blodgett Films of Bilirubin
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, 2001Abstract The surface pressure-area isotherms of bilirubin (H2BR) monolayers at an air-water interface on subphases with different pH values and on subphases containing metal ions such as Ca2+, Mg2+, Cu2+, Ni2+, Zn2+ and Pb2+ ion were investigated. H2BR can form expanded and stable monolayer on neutral and acidic subphases, while it can hardly form ...
Jian-Ming Ouyang +5 more
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Photosystem I in Langmuir–Blodgett and Langmuir–Schaefer Monolayers
Langmuir, 2012Photosystem I (PSI) is a membrane protein complex that generates photoinduced electrons and transfers them across the thylakoid membrane during photosynthesis. The PSI complex, separated from spinach leaves, was spread onto the air-water interface as a monolayer and transferred onto a gold electrode surface that was precoated with a self-assembled ...
Xun, Yan +3 more
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Langmuir and Langmuir−Blodgett Films of Bidisperse Silica Nanoparticles
Langmuir, 2009We present the studies on the structure and optical properties of bidisperse Stöber silica nanoparticulate Langmuir films prepared at the air/water interface in a Wilhelmy film balance and transferred onto glass slides using the Langmuir-Blodgett technique.
Adám, Detrich +4 more
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Langmuir and Langmuir−Blodgett Monolayers of Molecular Tweezers and Clips
Langmuir, 2007Molecular clips and tweezers are able to selectively bind electron-deficient aromatic and aliphatic substrates. By means of pressure-area isotherms and Brewster angle microscopy (BAM), the self-association process and phase behavior of dimethylene-bridged molecular clips and tetramethylene-bridged molecular tweezers each substituted with two acetoxy ...
P, Degen +6 more
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Photoreactions and lateral patterning in Langmuir and Langmuir–Blodgett films
The Chemical Record, 2007AbstractReversible morphological changes occur with photoisomerization of azobenzene in Langmuir–Blodgett (LB) films complexed with polycations, which contradicts an implicit assumption of the concept of free volume that two‐dimensional film structures are preserved during the photoisomerization. J‐aggregates of chromophores are formed by two processes.
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2007
The self-assembly behavior of a commercial mixture of polyglycerol fatty acid esters (PGE) and water is investigated as a function of temperature and surfactant content. The phase diagram of this pseudo-binary mixture was characterized using a combination of cross-polarized light and freeze−fracture electron microscopy (cryo-SEM), X-ray diffraction ...
Duerr-Auster, N. +5 more
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The self-assembly behavior of a commercial mixture of polyglycerol fatty acid esters (PGE) and water is investigated as a function of temperature and surfactant content. The phase diagram of this pseudo-binary mixture was characterized using a combination of cross-polarized light and freeze−fracture electron microscopy (cryo-SEM), X-ray diffraction ...
Duerr-Auster, N. +5 more
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2002
We demonstrate that aqueous solutions of giant polymer-like nonionic micelles "doped" with small amounts of ionic surfactants serve as ideal model systems for "equilibrium polyelectrolytes". We report systematic light and neutron scattering investigations of the effect of ionic strength, doping level, and total concentration on the static properties of
Sommer, Cornelia +5 more
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We demonstrate that aqueous solutions of giant polymer-like nonionic micelles "doped" with small amounts of ionic surfactants serve as ideal model systems for "equilibrium polyelectrolytes". We report systematic light and neutron scattering investigations of the effect of ionic strength, doping level, and total concentration on the static properties of
Sommer, Cornelia +5 more
openaire +1 more source