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Posts of the Category: Theory

 

brownian

Observing Brownian motion

Found in: Theory | Date: December 6, 2015 |

Brownian motion is the random movement of particles. This motion can be observed under the microscope, when looking at very small particles. In this case we will have a look at the fat droplets in milk.



What are the differences between aqueous and non-aqueous monting media?

Found in: Theory | Date: March 9, 2014 |

Mounting media for microscopy can roughly be divided into those that are water soluble (aqueous) and those that are not (non-aqueous).



Ranunculus pollen mounted in air, with cover glass.

The importance of mounting medium refractive index

Found in: Theory | Date: March 2, 2014 |

The refractive indes (RI) of the mounting medium can have a significant impact on the image quality.



Glass bulb

Why should you never touch the bulb of a microscope lamp?

Found in: Theory | Date: February 16, 2014 |

Microscope bulbs should never be touched with bare hands, as the grease deposited on the lamp will cause its breakage.



Blue daylight filter

What are the advantages of using a blue filter for microscopy?

Found in: Theory | Date: January 26, 2014 |

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.

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