Demonstration of Capsule
- India ink staining: the capsule appears as a clear halo around the bacterium as the ink can't penetrate the capsule.
- Serological methods: Capsular material is antigenic and can be demonstrated by mixing it with a specific anticapsular serum. When examined under the microscope, the capsule appears 'swollen' due to an increase in its refractivity. This phenomenon is called as capsu
Read more about this topic: Bacterial Capsule
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