Figure 2From: Biocompatible micro-sized cell culture chamber for the detection of nanoparticle-induced IL8 promoter activity on a small cell population Microscopic images of the miniaturized cell culture chamber with a Si 3 N 4 membrane. (a) Photographic image. Scale bar 1,100 μm. (b) Phase contrast microscopic image. Scale bar 150 μm. (c) Scanning electron microscopic image. Scale bar 150 μm.Back to article page