Diatome, Nidau, Switzerland). Afterwards they were briefly stained with methylene-blue (Sigma-Aldrich Chemie GmbH, Taufkirchen, Germany) to identify the cortical layers, particularly L1 and underlying ...
were purchased from Sigma-Aldrich Chemie Co. (Sigma-Aldrich Chemie GmbH, Taufkirchen, Germany). Mueller-Hinton Broth (MHB) and Mueller-Hinton Agar (MHA) for bacterial cultures were obtained from Merck ...
Der Darmstädter Chemie- und Pharmakonzern Merck kauft für 17 Milliarden Dollar (13,1 Milliarden Euro) die US-Firma Sigma-Aldrich. Diese ist einen weltweit führenden Hersteller von chemischen ...