Manual counting of the yeast cells

After the image is captured, an additional screen will appear with a counting grid that is shown on top of the captured image. This is similar to a hemocytometer/Thoma Chamber counting grid and will help you with your manual counting.

Each click of the “DEAD” button counts for one dead cell that you see, each click of the “ALIVE” button counts for one living cell that you see. Holding either of the buttons down (not just a click) will reduce the count.

The following points are important to note when manually counting cells:

  • You should count all cells that are within the counting grid circle and do not touch the red parts of the circle. However, you should also count the cells that touch the white part of the circle, even if they are located predominantly outside of it.
  • In order to avoid double counting, do not count cells for each box if they touch the lower or right grid lines.

After the counting has been completed, further parameters can be entered.

The results can be reviewed in the results screen.

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