MALDI-TOF mass spectrometry is a versatile analytical technique to detect and characterize mixtures of organic molecules. In Microbiology, it is being used as a rapid, accurate and cost-effective method for the identification of microorganism (bacteria, […]
Bacteriophage “bacteria eaters” are infectious agents that replicate as obligate intracellular parasites in bacteria but in extracellular environment they are metabolically inert. A typical phage contains “head” (containing DNA embedded in a protein envelope), “neck”and […]
Deoxycholate Citrate Agar (DCA) is a selective and differential medium, recommended for the isolation of enteric pathogens particularly Salmonella and Shigella species. Deoxycholate Citrate Agar is a modification of Deoxycholate Agar formulated by Leifson. DCA […]
Laboratory diagnosis of intestinal parasitic infections can be carried out by detection and identification of the parasites or their particular stages (ova/egg, cyst, larva or trophozoite) in the stool specimen. Stool sample collection: Stool specimen […]
Activation of B cells requires two signals. Depending on the nature of the antigen, B-cell activation proceeds by two different routes, one dependent on helper T cells (TH cells), the other not. In the case […]
Blood culture is one of the most simple and commonly used investigation to establish the etiology of bloodstream infections (i.e. detection of bacteremia, sepsis and fungemia). Early diagnosis and accurate identification of the bacteria or […]
This Antibody crosses placenta and play an important role in protecting the developing fetus. If i can write only a single sentence to introduce IgG, the above sentence may be the most powerful sentence that […]
Immunity is defined as the resistance offered by the host against microorganism(s) or any other foreign substance(s). Immunity can be broadly classified into two types: Innate Immunity-present right from the birth Acquired/Adaptive Immunity- acquired during […]
The advent of Electron Microscopy in 1932 open the door to visualize small subcellular structure and viruses which were beyond the scope of Light microscopy which can’t resolve objects separated by less than 0.2μm. Facts: […]
Travelers’ diarrhea (also known as Montezuma’s Revenge or Delhi belly) is defined as 3 or more episodes of diarrhea in 24 hours with at least one another accompanied symptoms including abdominal cramping, nausea, vomiting or […]
Acinetobacter is a group of bacteria commonly found in soil, water and dry environments. Acinetobacter poses very little risk to immune-competent people and the infections are mainly confined in healthcare settings housing very ill patients. […]
Dear all I am excited to share with you all that, main authors of microbeonline.com, me “Tankeshwar Acharya” and my wife “Nisha Rijal” is travelling to Atlanta to present findings of our research in “ASM […]
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