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Sunday, 02 April 2017 07:55

GELATINASE TEST (GELATIN LIQUEFACTION)

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Objective: To determine the ability of an organism to produce proteolytic-like enzymes (gelatinases) which break down gelatin. Gelatinase destroys (hydrolyzes) the gel and causes its collapse and liquefaction. Test Procedure1.…
Monday, 03 April 2017 18:28

BILE ESCULIN TEST

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Objective: To determine the ability of an organism to hydrolyze the glycoside esculin to esculetin and glucose. Esculetin reacts with iron to form a dark brown to black complex. The…
Monday, 03 April 2017 18:51

CATALASE TEST

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Objective: To test for the presence of the enzyme catalase. Test Procedure1. If the plate is refrigerated, it should be allowed to warm up to room temperature and then incubated…
Tuesday, 26 April 2016 02:00

Total Leukocyte Count (TLC)

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Total leukocyte count (TLC) refers to the number of white blood cells in 1 μl of blood (or in 1 liter of blood if the result is expressed in SI…
Thursday, 28 April 2016 21:26

Platelets Count

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Platelets Platelets, also called "thrombocytes", are blood cells whose function (along with the coagulation factors) is to stop bleeding. Platelets have no nucleus: they are fragments of cytoplasm which are…
Thursday, 28 April 2016 22:16

Red Blood Cells (RBC's)

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Size: 6.7 to 7.7 μ in diameter. Cytoplasm: Pink in color. The mature red blood cell is a nonnucleated, round, biconcave cell. Erythropoiesis: The main function of the red blood…
Variations of leukocyte count occur in many infectious, hematologic, inflammatory, and neoplastic diseases. Therefore, laboratory evaluation of almost all patients begins with the examination of the patient’s blood for total…
This method conceived and formulated by Stott and Lewis in 1995. This method is much similar in principle to the now outdated Tallqvist method. Positive technical changes have been made…
The erythrocyte sedimentation rate (ESR) measures the rate of settling (sedimentation) of erythrocytes in anticoagulated whole blood. Anticoagulated blood is allowed to stand in a glass tube for 1 hour…