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The February 2014 issue of MicrobeHunter Microscopy Magazine is now available for download.
Plasmolysis of red onion cells
Adding salt water to red onion cells will cause the cytoplasm to lose water by osmosis. The cell’s content shrinks.
Microscopy news – March 2014
A summary of microscopy-related articles for March 2014.
What are the differences between aqueous and non-aqueous monting media?
Mounting media for microscopy can roughly be divided into those that are water soluble (aqueous) and those that are not (non-aqueous).
Foldscope: a paper microscope
The foldscope is a paper microscope with x/y positioning of the slide and an ability to focus.
Celebrating 1000 FaceBook likes!
March 5th, 2014 marks the day on which 1000 people have “liked” the MicrobeHunter website on FaceBook. Between 6 and 12 people click the like button every day. How long will it take to reach 2000 likes?
The importance of mounting medium refractive index
The refractive indes (RI) of the mounting medium can have a significant impact on the image quality.
How to observe red blood cells
Red blood cells (also known as erythrocytes) are responsible for carrying oxygen from the lungs to the rest of the body. Unlike other cells, red blood cells do not have a nucleus (they have lost it during development). The available space can now be used to carry hemoglobin, the red pigment which carries oxygen. The […]
Why should you never touch the bulb of a microscope lamp?
Microscope bulbs should never be touched with bare hands, as the grease deposited on the lamp will cause its breakage.
How do you make dry-mounted permanent slides?
Dry-mounted permanent slides do not use a mounting medium. It is necessary to hold the cover glass in place using adhesive tape.
Trypanosoma brucei gambiense
This parasite is spread over the tsetse fly and causes the sleeping sickness.
What are the advantages of using a blue filter for microscopy?
A blue daylight filter is able to remove red parts of the color spectrum when using tungsten or halogen lamps, giving the micrograph a cooler color.
What are the pros and cons of concave microscope slides?
Concave microscope slides have either one or two depressions to hold larger specimens.