In this article we will discuss about the Antibiotic Sensitivity Test of Bacteria. Subcultures of the test organisms are made in broth and incubated for 6-18 hours. Any density of inoculum may be used but in most cases the surfaces of cultures plates may be sown with broth containing approximately 100 million cells per ml. […]
Antibiotic Sensitivity Test of Bacteria (With Diagram)
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Streptococci: Meaning, Characteristics and Laboratory Diagnosis
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In this article we will discuss about Streptococci:- 1. Meaning of Streptococci 2. Morphology and Staining of Streptococci 3. Cultural Characteristics 4. Biochemical Reaction 5. Antigenic Structure 6. Toxins and Enzymes 7. Haemolysin 8. Infective Endocarditis 9. Sub-Acute Endocarditis 10. Post-Streptococcal Disease 11. Laboratory Diagnosis 12. Serological Tests 13. Treatment. Contents: Meaning of Streptococci Morphology […]
Top 3 Staining Methods | Practical Botany
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The following points highlight the top three staining methods used for colouring the biological materials. The types are: 1. Negative Staining 2. Simple Staining 3. Differential Staining. Method # 1. Negative Staining: For quicker observation of the morphology of bacterial or yeast cells, the negative staining technique is applied. Requirements: 1. Bacterial/yeast suspension. 2. Slide, […]
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