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Negative Staining for Bacterial Capsule Demonstration: Introduction, Principle, Procedure and Result Interpretation
Introduction of Negative Staining for Bacterial Capsule Demonstration Negative staining is so called because the background gets stained and the capssule of organism remains colorless. e.g. India ink , nigrosin or eosin are the stains used. It is applicable in following bacteria- Streptococcus pneumoniae, Klebsiella pneumonie, Haemophilus influenzae, Neisseria meningitides, etc. Principle of Negative Staining for Bacterial Capsule Demonstration Capsules of bacteria are non-ionic and therefore stain will not adhere to their surfaces. The best method to visualize...
Mycology Video Collection: Introduction, List of Fungi and Video with Description
Introduction of Mycology Video Collection Mycology Video Collection is a genuine huge collections of fungal videos. It will not olny make easier mycology but also help to boost practical knowledge to identify fungal aetiological agents in the field of laboratory medicine. It is widely applicable in the section of medical laboratory like DMLT/CMLT, B.Sc. MLT, MMLT, M.Sc. Medical Micribiology and such related fields. List of Mycology Video Collection Potassium hydroxide (KOH) mount Gram stain of Yeast cells Lactophenol...
Toxoplasma gondii: Introduction, Classification, Morphology, Lifecycle, Pathogenicity, Lab Diagnosis, Treatment and Prevention
Introduction of Toxoplasma gondii Toxoplasma gondii is a tissue parasite. It was discovered by Nicolle and a French physician, parasitologist, Louis Herbert Manceaux in 1908. It causes the most common parasitic of humans and warm-blooded animals. Size of parasite: 4-6 μm Site in host: All organs Mode of infection Portal of entry: Mouth/ ingestion Causative agent: Oocyst ( sporozoites) Medium: Cat's stool, congenital ( Mother to baby) Clinical symptoms: Asymptomatic infection Disease: Choriorentinitis, Hydrocephalus Classification of Toxoplasma gondii Phylum: Apicomplexa Class:...