Difference Between Serum And Plasma
For some scientists and medical students, the difference between serum and plasma is just nomenclature and colour. On more than once occasion we’ve had to ask the difference between Serum and Plasma, only to hear, “either one” or “aren’t they the same thing?” Let us…
Hugh Leifson Medium : Principle, Preparation and Colony Morphology
Hugh Leifson Medium (Oxidative-Fermentative Medium ) is used to distinguish between anaerobic and aerobic breakdown of carbohydrate( glucose).Hugh Leifson Medium was developed by Hugh and Leifson.They described the taxonomic significance of fermentation and oxidative metabolism of carbohydrates in gram- negative intestinal bacteria.There are two ways…
WBC Count : Principle, Procedure and Calculation
WBC diluting fluid is used to perform the WBC(leucocyte) count or white blood cell count Principle of WBC Diluting Fluid WBC diluting fluid is used to perform the WBC( leucocyte) count. Red cells are lysed by glacial acetic acid. Gentian violet slightly stains the leukocyte…
G6PD Methaemoglobin Reduction Test Principle and Interpretation
This is one of the simpler and less expensive test to screen for G6PD deficiency.Deficiency or a reduction in G6PD activity in red blood cells can cause an acute intravascular haemolysis following exposure to oxidant agents such as fava beans(favism),neonatal jaundice and less commonly chronic…
ABO and Rhesus Blood Grouping principles and Result interpretation
Blood grouping is a haematological haemagglutination test done to determine the blood group and Rh factor of an individual.It is the classification of blood based on the absence or presence of two inherited antigenic substances on the surface of red blood cells (RBCs) of the…
Blood Transfusion reactions and Complications
Blood transfusion generally carries some risk of reaction. Sometimes, the blood or blood components may act as a foreign protein or antigen that prompts immediate or delay immune response or tissue reaction reason why compatibility testing is one of the most important and confirmatory test…
Blood composition, Properties and Functions
Blood consists of Plasma which is a fluid medium in which erythrocytes (RBC),Leukocytes (WBC) and thrombocytes (Platelets) are suspended.Plasma is a complex solution of proteins,salts and numerous metabolic substances. Composition of blood Blood is compose of the following elements in their correct proportions 1. Plasma…