Scientist > Dr Carsten Paul

Dr Carsten Paul

// studied chemistry (focus environmental chemistry) at Friedrich Schiller University (FSU) Jena from 2004 to 2008

// After a short spell at the Scripps Institute for Oceanography (La Jolla/CA, USA) he completed his doctorate on a scholarship from the Jena School for Microbial Communication at the Dept. of Instrumental Analytics (also FSU Jena) from 2008 to 2012

// Since 2012, he has been working as a solutions specialist for liquid chromatography applications at Dionex Softron GmbH, a part of Thermo Fisher Scientific

Contact: laborundmore@succidia.de

Pharmaceutical counterion determination

House lights down, stage lights up - von Dr Frank Steiner, Dr Carsten Paul, Dr Mark Tracy

In contemporary practice, roughly half of all active pharmaceutical ingredients (APIs) are administered as salts. The use of the protonated or deprotonated form of the drug substance combined with the selection of counterions enables the targeted variation of key parameters, such as solubility and stability. Analysis of the corresponding counterions constitutes an essential part of the development process for new pharmaceuticals and is now an...