PT Journal AU Priem, C Wuttke, A Berditsch, M Ulrich, AS Geyer, A TI Scaling the amphiphilic character and antimicrobial activity of Gramicidin S by dihydroxylation or ketal formation SO The journal of organic chemistry PY 2017 BP 12366 EP 12376 VL 82 IS 23 DI 10.1021/acs.joc.7b02177 LA english ER