QuantiFERON-TB Gold Plus (QFT-Plus): Introduction, Principle, Procedure, Result Interpretation, Clinical Significance, and Keynotes

 Introduction The QuantiFERON-TB Gold Plus (QFT-Plus) is a highly sensitive fourth-generation Interferon Gamma Release Assay (IGRA). It acts as an indirect, in vitro blood screening test used to identify infections caused by the Mycobacterium tuberculosis complex. This advanced laboratory assay serves as a modern alternative …

Read more

Bacterial Load (Decoding the CFU): Introduction, Ranges, Application, and Keynotes

Bacterial Count in a Colony Forming Unit (CFU)

Introduction of Bacterial Load (Decoding the CFU) Bacterial load, measured in Colony-Forming Units (CFU), is a fundamental concept in microbiology used to estimate the number of viable (living) microorganisms in a sample. Unlike total cell counts that include dead bacteria, the CFU method only counts …

Read more

Mold Identification by MALDI-TOF (VITEK): Introduction, Procedure, Benefits, Comparison with other methods, and Keynotes

Mold Identification by MALDI-TOF (VITEK) Introduction, Procedure, Benefits, Comparison with other methods, and Keynotes

Introduction of Mold identification using MALDI-TOF mass spectrometry Mold identification using MALDI-TOF mass spectrometry, particularly with systems like VITEK MS, offers a rapid and reliable method for identifying fungal species, including molds, in clinical microbiology laboratories.  Matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) mass spectrometry is a …

Read more

Chemiluminescent Immunoassay (CLIA) Analyzer: Introduction, Principle, Test Requirements, Handling Procedure, Uses, and Keynotes

Chemiluminescent Immunoassay (CLIA) Analyzer: Introduction, Principle, Test Requirements, Handling Procedure, Uses, and Keynotes

Introduction A chemiluminescent immunoassay (CLIA) analyzer is a diagnostic instrument used in clinical laboratories to perform immunoassays based on chemiluminescence detection. CLIA is a technique that utilizes the emission of light resulting from a chemical reaction to detect and quantify specific analytes present in a …

Read more