Automated blood culture systems are the primary choice for the detection of pathogens from blood specimens. Instead of manually read broth-based conventional methods, laboratories use continuously monitored, automated blood culture systems for the processing of […]
Ames test devised by a scientist “Bruce Ames” and colleagues at the University of California in Berkeley, is a method for evaluating mutagenic effects of chemicals, drugs or implant device. This test is used to […]
Detection of specific antigens present in the sample (blood, urine, CSF or stool) using immunologic methods such as precipitin tests, particle agglutination tests, immunofluorescence, immunochromatographic or enzyme immunoassays are the mainstay for the rapid diagnosis […]
Plasmids are extra-chromosomal genetic elements that replicate independently of the host chromosome. They are small, circular (some are linear), double-stranded DNA molecules (mostly) that exist in bacterial cells and in some eukaryotes. The sizes of […]
The autoclave is a sealed device (similar to a pressure cooker) that kills microorganisms using saturated steam under pressure. The use of moist heat facilitates the killing of all microorganisms, including heat-resistant endospores which is […]
Bacteriological analysis of water is one component of drinking water quality analysis. Water is screened for the presence of fecal contamination by testing for the presence of an indicator microorganism. Indicator microorganisms are ones that […]
This post was most recently updated on August 26th, 2019Kligler’s Iron Agar (KIA) is used for the detection of carbohydrate fermentation. Reactions of KIA helps to include/exclude particular bacterial isolate in the family Enterobacteriaceae. If […]
This post was most recently updated on August 26th, 2019Leptospirosis (also known as weil’s disease) is one of the widespread zoonoses caused by pathogenic spirochetes of the genus Leptospira and is found in virtually all tropical […]
This post was most recently updated on August 26th, 2019Mycoplasma is the smallest (0.2 – 0.8 micrometers) free-living bacteria (light microscopy cannot detect it) that can pass through some filters (0.45-μm-pore-size) used to remove bacteria. […]
This post was most recently updated on August 26th, 2019Klebsiella pneumoniae is a Gram-negative rod shaped bacteria of genus Klebsiella and family Enterobacteriaceae. They are members of normal intestinal flora of humans and animals and may be isolated from […]
This post was most recently updated on August 26th, 2019Proteus are Gram-negative rod-shaped bacteria of the family Enterobacteriaceae. They are widely distributed in nature and also occur as normal intestinal flora of humans. An opportunistic […]
This post was most recently updated on August 26th, 2019Gram staining requires the use of different chemical reagents which can be purchased in ready to use forms from commercial suppliers or gram stain reagents can […]
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