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The synthesis of novel hybrid hydrogels by stepwise copolymn. of multi-arm vinyl sulfone-terminated poly(ethylene glycol) macromers and a-w cysteine oligopeptides via Michael-type addns. is described. Crosslinking kinetics, studied by in situ rheometry, ca ...
We introduce an atomistic model structure of the Si(1 0 0)-SiO2 interface which incorporates atomic-scale information from a variety of experimental probes. The interface model consists of a disordered, topologically perfect oxide network matching the Si s ...
Carbon-carbon bond cleavage of 1,2-diphenyl-ethanes in CH3OH-H2SO4-H2O electrolyte on a boron-doped diamond (BDD) electrode has been investigated electrode using 1,2-di-(p-tert-butylphenyl)-ethane and 1,2-dimethoxy-1,2-di-(p-tert-butylphenyl)-ethane as mod ...
The influence of the surface morphology of semicrystalline polyamide 12 PA12! on the adhesion of thin silicon oxide coatings is analyzed by means of uniaxial fragmentation tests and scanning local-acceleration microscopy SLAM!. Two types of PA12 substrates ...
Crack patterns of 100-nm thick silicon oxide coatings on poly(ethylene terephthalate), polypropylene and polyamide films are analyzed under equibiaxial stress loading. The loading is achieved by means of a bulging cell mounted under an optical microscope w ...
Herein we describe the structure and dynamics of self-assembled nano-objects generated from poly(ethylene glycol) based (PEG-ylated) coiled-coil hybrid block copolymers. Electron paramagnetic resonance (EPR) experiments on spin-labeled samples provided a s ...
Incorporation of a nitrogen functionality into a tripodal N-heterocyclic carbene ligand system affords the first N-anchored tetradentate tris-carbene ligands TIMENR I (R = Me (5a), t-Bu (5b), Bz (5c)). Treatment of the Me derivatized H3TIMENMe3 imid ...
Osteoblasts exhibit a more differentiated morphol. on surfaces with rough microtopogs. Surface effects are often mediated through integrins that bind the RGD motif in cell attachment proteins. Here, we tested the hypothesis that modulating access to RGD bi ...
The invention relates to a novel class of ligands, complexes comprising such ligands and a metal ion, and adducts of these metal complexes and a macromolecule. Pharmaceutical compositions and methods of making and using the ligand-metal complexes are also ...
Methods for the synthesis of dihydroazaphenanthrene fused to macrocycles I [X = CH2, O, Y = (CH2)m, m = 1,2,4,6, n = 1,2] and medium-ring heterocycles II (R1 = H, Me, CH2Ph, etc., R2 = Me, n-Bu, CH2Ph, etc.) as well as 1,4-benzodiazepine-2,5-diones, e.g. I ...
