Barfeod's test is a qualitative test used to check the presence of monosaccharides in an unknown solution.Barfeod's reagent react with monosaccharide and precipitate is formed.It also react with disaccharide but the reaction is slow and monosaccharides can be easily distinguished from disaccharides … [Read more...]
Archives for February 2015
Benedict’s test for reducing sugar
This test is for finding whether the sugar is reducible or non reducible.It is both qualitative as well as quantitative test.This test is used for laboratory detection of different sugars as well as diabetes via urine test. Principle of Benedict's test: When reducing sugars are heated in basic … [Read more...]
Oxygen hemoglobin dissociation curve
The curve, that explains a progressive increase in the percentage of hemoglobin bound with oxygen as blood partial pressure of oxygen increases, is called oxygen hemoglobin dissociation curve.And it is called the percent saturation of hemoglobin. Oxygen is carried in the blood, in dissolved form … [Read more...]
Iodine test for starch
Starch is the carbohydrate storage unit of plants.It can be detected in a solution via starch-iodine test.If you have an unknown solution and you are asked to detect whether starch is present in this solution or nor, you would have to perform starch test.For this test,follow the procedure … [Read more...]
Difference between hemoglobin A and foetal hemoglobin
Hemoglobin is on oxygen carrying pigment, which is present in Red blood cells.It consists of two parts Heam which is the prosthetic part attached to protein called globin protein. Heme is an Iron (Fe) porphyrin, which is composed of four pyrol rings and centrally attached iron atom in the form of … [Read more...]