R57. Voges-Proskauer (VP) Test Reagents Solution 1 alpha-Naphthol 5 g Alcohol (absolute)100 ml
Solution 2 Potassium hydroxide 40 g Distilled water to make 100 ml
Voges-Proskauer (VP) test. Transfer 1 ml of 48 h culture to test tube and add 0.6 ml solution 1 and 0.2 ml solution. Shake after adding each solution. To intensify and speed reaction, add a few creatine crystals to mixture. Let stand at room temperature. Read results 4 h after adding reagents. Development of eosin pink color is positive test.
Asexual reproduction: Reproduction in which sex cells are not involved; as by binary fission or budding. Acute: Having rapid onset, severe symptoms and a short course. Antigen: Foreign substance when gets into the body induces immune response. Antibody: Endogenous glycoprotein, which reacts with antigen. Blood Brain Barrier: Chronic: Of long progression. duration; denoting disease with slow a