NALC -NAOH Preparation for Tuberculosis Lab: Introduction, Procedure, Application, and Keynotes

NALC -NAOH Preparation for Tuberculosis Lab- Introduction, Procedure, Application, and Keynotes

Introduction The NALC-NaOH (N-acetyl-L-cysteine–sodium hydroxide) method is the gold standard for processing clinical specimens in mycobacteriology laboratories. It prepares contaminated samples (like sputum) for successful culture on liquid media (such as the BD BACTEC™ MGIT™ 960) and solid media. Clinical samples from non-sterile sites naturally …

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BD BACTEC™ MGIT™ 960: Principles, Workflows, and Clinical Applications

BD BACTEC™ MGIT™ 960- Principles, Workflows, and Clinical Applications

Introduction The BD BACTEC™ MGIT™ 960 (Mycobacteria Growth Indicator Tube) is a fully automated, high-volume culture system designed for the rapid detection of mycobacteria and subsequent drug susceptibility testing (DST). Developed by Becton Dickinson (BD), this nonradiometric system addresses the critical clinical need for accelerated …

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Trichosporon species: Introduction, Morphology, Medically Important Species, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

A plastic petri dish containing a light-yellowish, finely wrinkled (cerebriform) and dry Trichosporon microbial culture with a flat, mealy (farinose) covering on PDA agar

Introduction Trichosporon is a genus of anamorphic, yeast-like basidiomycetous fungi widely distributed in nature, particularly in tropical and temperate regions. First identified by Beigel in 1865, it commonly exists as a saprophytic organism in soil, water, plants, and animal droppings. In humans, it is a …

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Saprochaete capitata:Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Saprochaete capitata in Dalmau plate technique microscopic footage

Introduction Saprochaete capitata is an emerging opportunistic fungal pathogen that causes severe, frequently fatal systemic infections in profoundly immunocompromised individuals. It is notorious for its intrinsic resistance to echinocandins and high resistance to fluconazole, which often results in breakthrough fungemia during standard empirical antifungal therapy. …

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Sphingomonas paucimobilis-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Sphingomonas paucimobilis colony morphology on CLED agar

Introduction Sphingomonas paucimobilis (formerly classified as Pseudomonas paucimobilis) is a strictly aerobic, non-fermenting, Gram-negative bacillus. It is an environmental oligotroph found widely in soil and water systems. It serves as a stealthy opportunistic pathogen in clinical settings. It can survive in nutrient-poor conditions and form …

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Acinetobacter baumannii complex-Introduction, Species in this group, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gram-negative coccobacilli (often in pairs) of Acinetobacter baumannii complex

Introduction The Acinetobacter baumannii complex (ABC) is a group of highly resilient, opportunistic Gram-negative bacteria that pose a critical threat in healthcare settings. Classified as an “ESKAPE” pathogen, it is a leading cause of severe hospital-acquired (nosocomial) infections. The World Health Organization (WHO) categorizes carbapenem-resistant …

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CRISPR/Cas9: Introduction, Application, and Keynotes

Introduction and  Mechanism CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats. In nature, bacteria use this system as adaptive immunity against viruses by saving a memory of viral DNA. The engineered laboratory tool consists of two fundamental components: Once Cas9 cuts the DNA, the …

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Foundation for Quality India (FQI): Introduction, Programs, Contact, and Keynotes

Introduction to FQI FQI specializes in training laboratory professionals to understand and implement strict quality controls. To date, FQI has trained more than 25,000 laboratory professionals. Their curriculum centers on managing errors and standardizing operations. This work helps clinics successfully secure National Accreditation Board for …

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