Posts that relate to the Keyword: alcohol

How does alcohol chemically fix specimens?

Alcohol can be used for fixing specimens, but is not commonly used for fixing bacteria.

How to prevent Air Bubbles in Wet Mounts

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 [...]

Euparal Mounting Medium

Euparal is a semi-synthetic mounting medium used in microscopy. It is slightly yellowish in color, flows well and cures after a few days. After curing, it becomes very hard but not brittle, keeping elasticity. Euparal also adheres strongly to glass. It has a refractive index of 1.5174. Compared to other mounting media, Euparal has a [...]

Fixing specimens for making permanent slides

Before specimens can be processed for making permanent slides, they may need to be fixed. This step kills the specimen and preserves the structures. It also prepares the specimen for staining. There is no one single method to fix a specimen, too much depends on the nature of the specimen itself and on the subsequent [...]