Scanning tunneling microscopy on large bio-molecular systems on surfaces
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An amino or thiol linker building block for the synthesis of amino or thiol functionalized amino acids and generally of the following structure: Formula XII is provided. Such building block may be introduced in the 5' end position of an amino acid under st ...
alpha -Isocyano-beta -phenylpropionamide is synthesized from the corresponding amino acid in excellent yield. The unique reactivity of this bifunctional compd. is exploited for the development of novel multicomponent synthesis of 5-aminooxazole, pyrrolo[3, ...
A mutational screen of amino acid residues of hydrogenase maturation protein HypD from Escherichia coli disclosed that seven conserved cysteine residues located in three different motifs in HypD are essential. Evidence is presented for potential functions ...
A microscopic characterisation of the phase transitions associated with colossal magnetoresistance (CMR) in manganese perovskite oxides is a very important ingredient in the quest of understanding its underlying mechanism. Scanning tunneling microscopy (ST ...
The invention relates to human O6-alkylguanine-DNA alkyltransferase (hAGT) mutants showing, when compared to the wild type human AGT, two or more advantageous properties selected from (a) reduced DNA interaction; (b) localization of the expressed protein i ...
(EPFL Ecole Polytechnique Federale de Lausanne, Switz.).2005
The present work describes synthetic concepts for the coupling of peptides to polyphenylene dendrimers (PPDs). Novel functionalized cyclopentadienones have been synthesized whose Diels-Alder cycloaddition with various core molecules leads to polyphenylene ...
Nucleic acid sequence analogues, in particular tRNA analogues comprising in the place of a 3'-terminal adenosine a 3'-terminal 2'-deoxy-2'-thioadenosine are able to react site-specifically with weakly activated amino acid derivatives (e.g. phenylthioesters ...
A biocompatible interface was constructed on a microchip by using the layer-by-layer (LBL) assembly of charged polysaccharides incorporating proteases for highly efficient proteolysis. The controlled assembly of natural polyelectrolytes and the enzyme-adso ...
The invention relates to AGT mutants showing, when compared to the wild type human AGT, two or more advantageous properties selected from (a) reduced DNA interaction (b) localisation of the expressed protein in eukaryotic cells that is no longer restricted ...
A combined atomic force and scanning electrochemical microscope probe is presented. The probe is electrically insulated except at the very apex of the tip, which has a radius of curvature in the range of 10-15 nm. Steady-state cyclic voltammetry measuremen ...