Brian Choi, Bio-application scientist
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Data Reference: Gordon Jung, Application Scientist

Many toxins can cause acute epithelial inflammation and toxicity. However, the mechanism of such acute toxicity is difficult to elucidate and prove by experiment. Observing the negative effects of such toxicity at the single-cell level is a great help in explaining the mechanism in an intuitive manner. The accurate living cell membrane imaging of scanning ion conductance microscopy (SICM) can detect and visualize the negative effects in morphology occurring as a result of toxins.

• Accurate living cell membrane morphology imaging for visualizing single-cell cytotoxicity
• Cell membrane damage by exposure to Triton X is clearly monitored over time, which is not detectable in optical microscopic view

Cell Membrane Imaging After Detergent Exposure

In this experiment, the early response of a living epithelial cell after exposure to Triton X (a nonionic detergent having highly toxic effects on cells) was investigated by SICM. Continuous SICM imaging revealed that cell membrane deformation occurred after Triton X exposure, and it showed the increased number and size of holes on the cell membrane.

Morphology Analysis in Line Data

Cell membrane damage caused by Triton X is more distinctively identified by comparing the morphology analysis in single-line data (the damage is not distinguishable in inverted optical microscopic view). The line data analysis shows the depth and width of holes in the membrane in micrometers, while no hole structure appears in the line data of the cell image before Triton X exposure.

Park Cell Analysis Systems

	Park NX12-Bio	Park NX10	Park XE7
Scanning Ion Conductance Microscopy (SICM)
Atomic Force Microscopy (AFM) with liquid probe hand
Inverted Optical Microscopy (IOM)
Live Cell Chamber