The following points highlight the two methods of staining of supplied smears. The methods are: 1. Albert’s Stain 2. Ziehl-Neelsen (ZN) or Acid-Fast Staining. Method # 1. Albert’s Stain: Usually examinee is provided with a fixed smear prepared from C. diphtheriae grown usually on Loeffler’s serum slope or occasionally from blood tellurite agar medium (Fig. […]
Staining of Supplied Smears: 2 Methods
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Reactions of Antigen-Antibodies in Bacteria
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In this article we will discuss about the Reactions of Antigen-Antibodies in Bacteria. When an antigen combines with its specific antibody in presence of an electrolyte (NaCl) in an optimum concentration at an optimal pH and temperature (37°C), the antigen and antibody complex forms an insoluble precipitate. Important tests for antigen-antibody reactions include precipitation, agglutination, […]
Laboratory Diagnosis of Parasitic Diseases
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Laboratory Diagnosis of Parasitic Diseases. The types are: 1. Amoebic Infections 2. Kala-Azar 3. Malaria 4. Ascariasis 5. Enterobius Vermicularis 6. Hookworms 7. Filarial Worms 8. Guinea Worm 9. Taenia Saginata 10. Taenia Solium 11. Hydatid Cysts 12. Paragonimiasis 13. Schistosoma Haematobium 14. Schistosoma Japonicum. Parasitic Disease: Type # 1. Amoebic Infections: Definitive diagnosis of […]
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