Yeast: Structure, Reproduction, and Uses
Yeast structure, reproduction (budding, fission, sexual life cycles), and clinical relevance. How Candida and other pathogenic yeasts relate to general yeast biology, pseudohyphae...
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Sushmita Baniya
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About Sushmita Baniya
Sushmita Baniya holds an M.Sc. in Medical Microbiology from Tribhuvan University (National College), with a research focus in Genetics and Molecular Biology. She is actively involved in teaching and research in the field of microbiology.
Sterility Testing (USP 71): Principle, Methods, Media, and Interpretation
Sterility testing (USP 71) confirms a product is free from viable microorganisms. Learn the principle, the two methods (membrane filtration and direct inoculation), the media (FTM...
Distilled vs Deionized Water: Differences, Uses, and Which to Choose
Distilled and deionized water compared: how each is made, how pure each is, whether either is safe to drink, and which to use for labs, coolant, batteries, and CPAP.
Liquid-Based Swab Transport Systems (eSwab): Types, Uses, and Limitations
How liquid Amies transport systems like eSwab let one collection serve culture, Gram stain, and PCR, which formats exist, and the specimens they are not suitable for.
Inoculating Loop: Types, Parts, Uses, and Sterilisation in Microbiology
The inoculating loop is the primary instrument for transferring and streaking bacteria in microbiology. Learn its types (nichrome, platinum, disposable, calibrated), how to sterili...
Petri Dish: Types, Uses, Why the Lid Doesn't Seal, and Why Plates Are Incubated Upside Down
Petri dish types and uses, why its lid rests loosely instead of sealing, why culture plates are incubated upside down, and how to pour agar at the right temperature. A guide for mi...
Fungal Staining Methods and Uses
Fungal staining methods: complete comparison of 18 techniques including KOH, LPCB, calcofluor white, GMS, PAS, and India ink. Master reference table with organism-specific stain se...
Aspergillus: Species Identification, Aspergillosis, and Lab Diagnosis
How to identify the major Aspergillus species (fumigatus, flavus, niger, terreus), tell aspergillosis from mucormycosis on microscopy, and why the distinction changes treatment. Mo...
Dermatophytes: Lab Diagnosis and How to Tell the Three Genera Apart
How the laboratory identifies dermatophytes: KOH microscopy, SDA culture, Wood's lamp, and the differential tests that separate look-alike Trichophyton, Microsporum, and Epidermoph...
Calcofluor White Staining: Principle, Procedure, Results, and Clinical Applications
Calcofluor white binds chitin in fungal cell walls, producing bright fluorescence under UV light. Learn the principle, KOH-CFW combined method, specimen-specific applications, and...
Structure of Bacteria: Cell Envelope, Cell Interior, and External Structures
Complete guide to bacterial cell structure: cell wall (gram-positive, gram-negative, acid-fast), plasma membrane, cytoplasm, nucleoid, ribosomes, capsule, flagella, pili, and spore...
Classification of Bacteria
Classification of bacteria: by cell wall, gram staining, shape, oxygen requirements, temperature, pH, salt, flagella, spore formation, capsule, and nutritional type. Complete guide...
Difference Between DNA and RNA: Structure, Function, and Why It Matters
DNA and RNA differ in sugar, bases, strands, and stability. Learn not just what the differences are, but why they exist: why RNA is less stable, why DNA uses thymine, and how DNA a...
High-Performance Liquid Chromatography (HPLC): Principle, Parts, Uses
High-performance liquid chromatography (HPLC) explained: its principle, how it works under high pressure, the parts, normal vs reverse phase, and its uses.
Periodic Acid-Schiff (PAS) Staining: Principle, Procedure, and Microbiology Applications
PAS staining detects fungi in tissue biopsies, diagnoses Whipple's disease, and identifies glycogen storage disorders. Learn the principle, procedure, results, and clinical applica...
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