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The mixt. of lithium diisopropylamide and potassium tert-butoxide (LIDA-KOR reagent) is a powerful base which can be advantageously employed for the regioselective deprotonation of fluoropyridines and, in particular, 3-fluoroquinoline. A novel cyclization ...
High quality pseudomorphic Si1-yCy and Si1-x-yGexCy layers were grown on (100) Si between 530 and 650 degrees C by rapid thermal chemical vapor deposition in the SiH4/GeH4/SiH3CH3/H-2 system. These layers contained up to 30 at. % Ge and up to 2.2 at. % C. ...
In vivo spectrofluorometric analysis during photodynamic therapy (PDT) is a tool to obtain information about fluorophore bleaching kinetics in tissue. Using a cylindrical esophageal light distributor for PDT with an integrated sensing fiber, together with ...
In vivo spectrofluorometric anal. during photodynamic therapy (PDT) is a tool to obtain information about fluorophore bleaching kinetics in tissue. Using a cylindrical esophageal light distributor for PDT with an integrated sensing fiber, together with a f ...
We report a study of the lateral band bending at the Ge-GaSe interface. Spectromicroscopy measurements with synchrotron radiation were performed at the ESCA microscopy line of ELETTRA in Ge patterned films on GaSe substrates. Preliminary results of lateral ...
The systems participating in detoxification of reactive oxygen intermediates in Mycobacterium tuberculosis are believed to play a dual role in the biology of this highly adapted human pathogen: (i) they may contribute to the survival of this bacterium in t ...
The inactivation of the enoyl-reductase InhA from Mycobacterium tuberculosis by reactive intermediates formed during the oxidn. of isoniazid and ethionamide was studied. Both drugs can generate electrophilic intermediates capable of reacting with a nucleop ...
Transient expts. were applied to the study of the adsorbed CO intermediate, (CO)a, formed during CO2 methanation on 2 wt.% Ru/TiO2 catalyst at 383 K. Step-up expts. showed that the (CO)a formation steps are inhibited by H2O and enhanced by H2. Step-down ex ...
The electro-oxidn. of 1,4-benzoquinone in water soln. was investigated. The benzoquinone concn., intermediate products, dissolved org. C (DOC), COD, and toxicity of the oxidized soln. was monitored during oxidn. with Ti/IrO2 and Ti/SnO2 anodes (in the foll ...
A method for solving periodic optimization problems is introduced. The method is based on the T. Carleman (1932) linearization procedure of lumped-parameter system and may be used to det. the optimal pulse periodic input. The method is employed to study 2 ...
