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Updated: Mar 1, 2026

Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients
Published on: August 22, 2018
I Do Not Like Green Eggs
William A Burke1, Charles M Phillips1, Erin M Hurd1
1Division of Dermatology, Brody School of Medicine, East Carolina University, Greenville, North Carolina.
Abstract:
Shells of pinworm ova contain chitin, which stains bright green when exposed to chlorazol black E. The objective was to determine whether chlorazol black E could assist in identification of pinworm ova from skin scrapings. Skin scrapings were stained using chlorazol black E and pinworm ova were more easily recognized, staining a blue-green color.
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