Posts that relate to the Keyword: yeast

Safe sources of microorganisms for microscopy

A simple check of the refrigerator (or the super market) provides many safe sources for microorganisms to view under the microscope.

The hemocytometer (counting chamber)

The hemocytometer (or haemocytometer or counting chamber) is a specimen slide which is used to determine the concentration of cells in a liquid sample. It is frequently used to determine the concentration of blood cells (hence the name “hemo-”) but also the concentration of sperm cells in a sample.

Observing bacteria under the light microscope

It is possible to use non-toxic stains (such as ink for fountain pens) to stain yogurt bacteria in-vivo.