Celestine blue B stain for intestinal protozoa
1Parasitology Laboratory, Laboratory Services Branch, Ontario Ministry of Health, Toronto, Ontario, Canada.
A novel iron alum lake of celestine blue B in acetic acid offers a viable alternative for routine staining of Protozoa in fecal smears and tissue sections, simplifying diagnostic procedures.
Area of Science:
- Histotechnology
- Parasitology
- Diagnostic Pathology
Background:
- Hematoxylin is a standard stain for Protozoa in diagnostic pathology.
- Routine staining methods require optimization for efficiency and accessibility.
Purpose of the Study:
- To evaluate celestine blue B as an alternative to hematoxylin for Protozoa staining.
- To assess the efficacy of an iron alum lake formulation of celestine blue B.
Main Methods:
- Preparation of an iron alum lake of celestine blue B in acetic acid.
- Application of the stain to routine fecal smears and tissue sections.
- Microscopic examination for Protozoa visualization.
Main Results:
- The celestine blue B stain effectively visualized Protozoa in both sample types.
- The iron alum lake formulation provided consistent and clear staining.
- The method serves as a practical alternative to hematoxylin-based staining.
Conclusions:
- Celestine blue B, formulated as an iron alum lake, is a suitable and effective stain for Protozoa.
- This alternative stain can be incorporated into routine diagnostic workflows for fecal and tissue samples.
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