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Updated: Jun 24, 2026

Antibody Staining in C. Elegans Using "Freeze-Cracking"
Published on: October 14, 2013
A method for staining nematode secretions and structures
Abstract:
Secretions from amphids, phasmids, and excretory system were stained by incubating nematodes in 0.1% coomassie brilliant blue G-250 in 40% aqueous methanol containing 10% acetic acid on slides with coverslips sealed with nail polish or Zut. Nematodes incubated in this staining solution usually produced copious amounts of secretions from their amphids and excretory pore. Phasmids also stained dark blue, enabling them to be easily observed. Other biological dyes stained these secretions or were useful for differentiating specific morphological features of nematodes.
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Special Staining Techniques
Fixation and Sectioning
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
Simple Staining Technique
Differential Staining Technique