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Posts that relate to the Keyword: specimen


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.

size calculation

Determining Size in Microscopic Images

Found in: Howto, Techniques | Date: September 1, 2010 |

Our Biology curriculum in school requires students to be able to calculate the size of cells and other structures from light micrographs, which have a scale bar. It’s probably more interesting for students to actually take the light micrographs themselves. It is not difficult to determine the size of cells and other structures in light […]

Air bubbles under the microscope

How to prevent Air Bubbles in Wet Mounts

Found in: Howto, Labwork, Techniques | Date: August 29, 2010 |

The statistics feature of my blogging software allows me to see what readers are searching for, and one of the questions that keeps reappearing over and over again is the question on how to prevent air bubbles in wet mounts. I have already published a video on how to correctly make a wet mount (temporary […]

Testing the Hand Microtome

Found in: Howto, Techniques, Videos | Date: August 25, 2010 |

A few days ago I ordered a microtome. Here is a video showing you the different parts: Now it’s time to test the device. The first sample is a carrot. It can be cut into the right shape to fit into the specimen holder of the microtome and it is sufficiently solid to allow for […]

Parts of a Microtome

Found in: Microscopy Basics, Videos | Date: August 18, 2010 |

Here I’m unpacking my new hand microtome and explaining the different parts. A hand microtome (or cylinder microtome) is a device used to make thin cuts of a specimen for microscopic observations. The video briefly illustrates the different parts of a hand microtome.

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