Max Planck Institute (MPI) View Institution's Website 4 articles published in JoVE Environment Air-sampled Filter Analysis for Endotoxins and DNA Content Naama Lang-Yona1,2, Yinon Mazar1, Michal Pardo1, Yinon Rudich1 1Department of Earth and Planetary Sciences, Weizmann Institute of Science, 2Multiphase Chemistry Department, Max Planck Institute Two complementary analyses of atmospheric biological particles from air sampled filters are described herein: the extraction and detection of endotoxin, and of DNA. Chemistry Synthesis of Antiviral Tetrahydrocarbazole Derivatives by Photochemical and Acid-catalyzed C-H Functionalization via Intermediate Peroxides (CHIPS) Naeem Gulzar1, Martin Klussmann1 1Max-Planck-Institut fuer Kohlenforschung A two-step procedure for the synthesis of pharmaceutically active indole-derivatives by C-H functionalization with anilines is described, using photo- and Brønsted acid catalysis. Biology Annotation of Plant Gene Function via Combined Genomics, Metabolomics and Informatics Takayuki Tohge1, Alisdair R. Fernie1 1Molekulare Pflanzenphysiologie, Max-Planck-Institut Combination of genomics, co-expression gene analysis and the identification of target compounds via metabolism give gene functional annotation. Biology Perspectives on Neuroscience Wolf Singer1 1Department of Neuroscience, Max Planck Institute (MPI)