Spectrophotometric Assays-Introduction, Principle, Test Requirements, Procedure, Result-Interpretation, Application, and Keynotes

Introduction Spectrophotometric assays are analytical techniques widely used in chemistry, biochemistry, and molecular biology to measure the concentration or absorbance of a substance in a solution. These assays rely on the principle that different molecules absorb light at specific wavelengths, and by measuring the amount …

Read more

Serratia liquefaciens: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Serratia liquefaciens and Klebsiella pneumoniae growth on CLED agar of Urine Culture

Introduction Serratia liquefaciens is a species of Gram-negative, rod-shaped bacteria belonging to the genus Serratia. This bacterium is known for its diverse distribution in various environmental niches, including water, soil, plants, and human-related habitats. It has also been associated with clinical infections in humans, making …

Read more

Stenotrophomonas maltophilia: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Mucoid lactose fermenting (MLF) colony of Klebsiella pneumoniae and non-lactose fermenting (NLF) colony of Stenotrophomonas maltophilia on MacConkey medium of clinical specimen-sputum culture

Introduction Stenotrophomonas maltophilia is a Gram-negative bacterium that belongs to the class Gammaproteobacteria. It is an opportunistic pathogen known for its ability to cause infections, particularly in individuals with compromised immune systems or underlying health conditions. The bacterium was initially considered to be of low …

Read more

Peritoneal Fluid Culture and Sensitivity: Introduction, Report, Clinical Significance, Common Pathogens, and Keynotes

Introduction Peritoneal fluid culture and sensitivity is a medical diagnostic procedure used to identify and determine the susceptibility of microorganisms present in the peritoneal fluid. Peritoneal fluid is a sterile fluid that fills the peritoneal cavity, which is the space within the abdomen that surrounds …

Read more

Pneumonia: Introduction, Types, Sign and Symptoms, Common Pathogens, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Introduction Pneumonia is a common and potentially serious respiratory infection that affects the lungs. It can be caused by various infectious agents, including bacteria, viruses, fungi, and other microorganisms. The infection causes inflammation and swelling in the air sacs of the lungs, known as alveoli, …

Read more

E. aerogenes: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Enterobacter aerogenes colony morphology on CLED agar of urine culture

Introduction Enterobacter aerogenes is a bacterium belonging to the Enterobacteriaceae family, which includes several other important pathogens and opportunistic bacteria. E. aerogenes is a Gram-negative, rod-shaped bacterium that is commonly found in various environments, including soil, water, and the gastrointestinal tracts of humans and animals. …

Read more

MALDI-TOF Mass Spectrometry: Introduction, Principle, Handling Procedure, Application, and Keynotes

Introduction Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry, commonly abbreviated as MALDI-TOF MS, is a powerful analytical technique used in the field of mass spectrometry. It is widely employed for the identification and characterization of a diverse range of molecules, including proteins, peptides, nucleic acids, carbohydrates, …

Read more

Pleural Fluid Culture and Sensitivity: Introduction, Report, Clinical Significance, Common Pathogens, and Keynotes

Pleural fluid for laboratory diagnosis

Introduction Pleural fluid culture and sensitivity is a diagnostic test used to identify and determine the antibiotic susceptibility of microorganisms present in the pleural fluid. The pleural fluid is a clear fluid that accumulates between the two layers of the pleura, the membrane that surrounds …

Read more