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 […]
Selenite broth is used as an enrichment medium for the isolation of Salmonella and Shigella from stool, urine, water and food products. It is the most widely used enrichment medium to isolate Salmonella Typhi from […]
Bismuth Sulfite Agar (BS) is a selective as well as differential medium for isolation and presumptive identification of Salmonella spp especially Salmonella Typhi. Salmonella spp are the causative agent of various diseases like gastroenteritis, sepsis, enteric […]
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 […]
Chromogenic Agar Media are culture medium used to isolate, identify, and differentiate specific microorganism from a heterogeneous population. The medium contains chromogenic substrate which is utilized by the microorganism to give colored colonies that is […]
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. […]
Tryptic Soy Agar is a universal medium which supports the growth of wide variety of microorganisms (both gram positive as well as gram negative bacteria grow in this medium). It is used for the isolation […]
The target readers of this blog post are general people (people who do not have health science background) who want to get basic information about “Blood Culture” as they or their relatives have recently been […]
Spread plate technique is a method employed to plate a liquid sample for the purpose of isolating or counting the bacteria present in that sample. A perfect spread plate technique will results visible and isolated colonies of bacteria […]
Most Probable Number (MPN) is a method used to estimate the concentration of viable microorganisms in a sample by means of replicate liquid broth growth in ten-fold dilutions. It is commonly used in estimating microbial […]
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