23 Feb, 2012
Bacteria can be grown in lab by providing adequate nutrients. pH, temperature, aeration, salt concentrations and adjusting the ionic strength of the medium. This is made possible using culture media.
Substances such as blood, serum, egg are added to provide nutritional support. They.. Continue Reading>>
22 Feb, 2012
CLED agar is a differential plating medium for growth and enumeration of urinary tract organisms.
CLED agar helps to differentiate between lactose fermenting and non lactose fermenting organisms.
CLED aga.. Continue Reading>>
Transduction is the process of transfer of a portion of DNA from one bacterium to another via a Bacteriophage. Transduction may be classified as generalized or restricted depending on the material transferred via transduction.
Generalized transduction involves a segment of donor DNA
Restricted tran.. Continue Reading>>
14 Jan, 2012
Microbiology typhoid vaccine
Typhoid Vaccines are increasingly used by travellers to endemic areas. Here is a brief introduction to preparations available and their usage recommendations.
Heat killed phenol extracted whole cell vaccine.
a.Monovalent anti-typhoid vaccine
b.Bivalent anti-typhoid vaccine
Oral Typhoid.. Continue Reading>>
13 Jan, 2012
free ppt Microbiology parasitology ppt scabies
Caused by : Sarcoptes scabei(Itch mite/tick)
Symptoms of Scabies: Discomforting Itch- Secondary Infection – Eczema
Delayed – Secondary infection with Sataphylococcus – Post-Streptococcal glomerulonephritis
Mode of Spread of Scabies: Fomites-Cloths,house hold articles etc.
Di.. Continue Reading>>
5 Nov, 2011
immunology Microbiology Pathology
Autoimmune diseases occur when the body’s immune system which is supposed to protect the body by mounting an immune response against foreign or external(non-self) antigens, mounts immune response against body’s own antigen. This results in extensive destruction of cells,tissue or organ a.. Continue Reading>>