The combinations of 1-butyl-3-methylimidazolium chloride with NbCl5 yielded ionic mixtures with different melting point temperatures and acidity depending on the niobium molar fraction. The mixtures were characterized by thermal (DSC) and spectroscopic (FT-IR and H NMR) analysis. The Pechmann reactions of different phenols with ethylacetoacetate, producing coumarins, was used as model to evalua...

Coumarin-4-acetic acids have been synthesized from various phenols and citric acid under Pechmann cyclisation conditions. All the compounds have been evaluated for antiinflammatory and analgesic activity in acute models. Compounds have also been evaluated for their ulcerogenic potential. Using the computer program, prediction of activity spectra for substances, prediction results and their Phar...

Die Ökologie warnt vor der Erderwärmung, die Soziologie sozialer Ungleichheit: beides bedroht das Überleben kommenden Generationen. Alexander von Pechmann behandelt aus rechtsphilosophischer Perspektive Frage, welche künftigen Formen des Eigentums diesen globalen Herausforderungen gewachsen sind. Er kommt zu dem Ergebnis, dass weder kapitalistische Privateigentumsrecht noch nationale Souveränit...

paid mass-media advertising to communicate with the U.S. public. The U.S. Congress has allocated $1.2 billion—$200 million per year for 5 years—to fund an advertising campaign to keep youths from using illicit drugs (Fairclough, 1999). The U.S. Census Bureau has, for the first time, used advertising to increase mail-in response rates to the dicennial census; its advertising budget was roughly $...

In 1926 Campbell and Hanna (1) published a method for the determination of fructose based upon the reduction of molybdenum in phosphoric acid solution and the reoxidation of the reduced molybdenum with potassium permanganate. This method is not entirely specific for fructose; other substances in blood and urine have some reducing action upon the molybdic acid reagent. The method will not permit...

Inga U. Schapitz,1* Bardo Behrend,1* Yvonne Pechmann,1 Corinna Lappe-Siefke,1 Silas J. Kneussel,1 Karen E. Wallace,3 A. Vanessa Stempel,5 Fritz Buck,2 Seth G. N. Grant,4 Michaela Schweizer,1 Dietmar Schmitz,5 Jürgen R. Schwarz,1 Erika L. F. Holzbaur,3 and Matthias Kneussel1 1Center for Molecular Neurobiology (ZMNH), University of Hamburg Medical School, D-20251 Hamburg, Germany, 2Institute of C...

The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. To enable minimally invasive studies of proteins in their native context, it is desirable to tag proteins with small, bright reporter groups. Recently, our lab described PRIME technology (for PRobe Incorporation Mediated by Enzymes) for such tagging [1-3]. An engineered variant...

The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. To enable minimally invasive studies of proteins in their native context, it is desirable to tag proteins with small, bright reporter groups. Recently, our lab described PRIME technology (for PRobe Incorporation Mediated by Enzymes) for such tagging [1-3]. An engineered variant...

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