Scanning ion conductance microscopy for imaging biological samples in liquid: A comparative study with atomic force microscopy and scanning electron microscopy

► We show the applicability of scanning ion conductance microscopy (SICM) to biology. ► Collagen fibrils are imaged by SICM. ► Human chromosomes are imaged by SICM. ► Fixed and live cultures cells are imaged by SICM. ► The luminal surface of the trachea is observed by SICM.