COVID-19 Antigen Test- Introduction, Principle, Test Requirements, Procedure, Result Interpretation, Clinical Significance and Disadvantage

COVID-19 Antigen Test-Positive

Introduction of COVID-19 Antigen Test SARS-CoV-2 antigen test for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is used as a screening test on asymptomatic persons to detect or exclude Coronavirus Disease 2019 (COVID-19) or to determine whether a person who previously was diagnosed with COVID-19 …

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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 …

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Geobacillus stearothermophilus: The Gold Standard for Autoclave Sterilization

Geobacillus stearothermophilus (formerly Bacillus stearothermophilus) is the most commonly used biological indicator (BI) organism for monitoring steam sterilization (autoclaving)

Introduction Geobacillus stearothermophilus (formerly Bacillus stearothermophilus) is the most commonly used biological indicator (BI) organism for monitoring steam sterilization (autoclaving). Below are some key points about why and how it is used for quality control (QC) checks: Why Geobacillus stearothermophilus? How Biological Indicators Work Interpreting …

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Aspergillus-Antibody Testing-Introduction, Types of Tests, Clinical Significance, Interpretation of Results, and Keynotes

Aspergillus-Antibody Testing

Introduction Aspergillus antibody testing, specifically IgG and IgE, helps diagnose aspergillosis, particularly chronic pulmonary aspergillosis and allergic bronchopulmonary aspergillosis, by detecting antibodies in the blood against the fungus.  Types of Tests Clinical Significance Interpreting Results Keynotes Further Readings

Aspergillus fumigatus Rapid Azole Screen Test (4-wells plate):Introduction, Principle, Test Methods, Test Procedure, Result-Interpretation, Clinical Significance, and Keynotes

Aspergillus fumigatus Rapid Azole Screen Test (4-wells plate)

Introduction The Aspergillus fumigatus Rapid Azole Screen Test uses a 4-well plate format. It detects azole resistance in fungal isolates. Clinicians request this test to guide effective treatment. Moreover, the assay produces results faster than traditional methods. It minimizes the time needed to decide on …

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Paracoccidioides-Antibody Testing: Introduction, Principle, Clinical Significance, and Keynotes

Paracoccidioides-Antibody Testing- Introduction, Principle, Clinical Significance, and Keynotes

Introduction Paracoccidioides antibody testing detects antibodies against the Paracoccidioides species. It plays a vital role in diagnosing paracoccidioidomycosis (PCM). Additionally, clinicians use this test to confirm suspected cases. Moreover, the assay identifies immune responses in patient serum. Furthermore, laboratories perform standardized serological tests such as …

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BD BACTEC Blood Culture System: Introduction, Principle, Processing, and Keynotes

BD BACTEC Blood Culture System_BACTEC 9050 Model-Inner View

Introduction The BD BACTEC Blood Culture System is an advanced diagnostic tool for detecting bloodstream infections. It automates microbial culture monitoring with high sensitivity and rapid turnaround time. Additionally, it employs fluorescence-based technology to measure carbon dioxide produced by microbes. Moreover, the system continuously monitors …

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Immunoturbidimetry: Introduction, Principle, Handling Procedure, Application, and Keynotes

Immunoturbidimetry-Introduction, Principle, Handling Procedure, Application, and Keynotes

Introduction Immunoturbidimetry is an analytical immunoassay method that is used to measure the concentration of specific proteins (antigens) in a sample. It is widely utilized in clinical laboratories for routine diagnostics, such as measuring levels of C-reactive protein (CRP), albumin, and immunoglobulins. It’s a rapid, …

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