Biochemical Test Archives - Microbiology Notes

Bacteriology, Biochemical Test, Laboratory
Hippurate Hydrolysis Test- Principle, Uses, Procedure, Result Interpretation with Limitations 4.79/5 (42)

By Pratiksha Pokhrel on December 29, 2015

Please rate this Please Rate 0 1 2 3 4 5 Hydrolysis Test- Principle, Uses, Procedure, Result Interpretation with Limitations Hippurate Hydrolysis test Hippurate hydrolysis test is used in the presumptive identification of Gardnerella vaginalis, Campylobacter jejuni, Listeria monocytogenes and group B streptococci, by detecting the ability of the organism to hydrolyze hippurate. Principle Hippurate hydrolysis positive organisms can hydrolyze 1% aqueous sodium hippurate… Continue reading "Hippurate Hydrolysis Test- Principle, Uses, Procedure, Result Interpretation with Limitations <span class="rating-result after_title mr-filter rating-result-349" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> </span> <span class="star-result"> 4.79/5</span> <span class="count"> (42) </span> </span>"
Bacteriology, Biochemical Test
Optochin Susceptibility Test for Streptococcus pneumoniae 4.89/5 (19)

By Pratiksha Pokhrel on October 20, 2015

Please rate this Please Rate 0 1 2 3 4 5 Optochin Susceptibility Test for Streptococcus pneumoniae Streptococcus pneumoniae is found commonly in human respiratory tract, as other streptococci, and has a hemolytic pattern indistinguishable from that of other alpha-hemolytic streptococci and Lactococci. Optochin (ethylhydrocupreine hydrochloride) is a chemical (quinine derivative) that is used in the presumptive identification of alpha-hemolytic… Continue reading "Optochin Susceptibility Test for Streptococcus pneumoniae <span class="rating-result after_title mr-filter rating-result-252" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> </span> <span class="star-result"> 4.89/5</span> <span class="count"> (19) </span> </span>"
Biochemical Test
Gelatin Hydrolysis Test- Principle, Uses, Media, Procedure and Result 4.7/5 (70)

By Pratiksha Pokhrel on October 14, 2015

Please rate this Please Rate 0 1 2 3 4 5 Gelatin Hydrolysis Test- Principle, Uses, Media, Procedure and Result Gelatin is a protein derived from the animal protein collagen, a component of connective tissue and tendons in human and other animals. It has been used as a solidifying agent in food for a long time. Robert Koch used nutrient… Continue reading "Gelatin Hydrolysis Test- Principle, Uses, Media, Procedure and Result <span class="rating-result after_title mr-filter rating-result-243" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> </span> <span class="star-result"> 4.7/5</span> <span class="count"> (70) </span> </span>"
Bacteriology, Biochemical Test, Diagnosis, Laboratory
Bacitracin Test- Principle, Procedure, Result with Limitation 4.61/5 (31)

By Pratiksha Pokhrel on September 30, 2015

Please rate this Please Rate 0 1 2 3 4 5 Bacitracin Test- Principle, Procedure, Result with Limitation Bacitracin is produced by Bacillus licheniformis and it interrupt the formation of peptidoglycan, a major component of bacterial cell wall. If bacitracin is present it blocks bactoprenol from transporting NAM and NAG sugars across the cell membrane thereby inhibiting further synthesis of… Continue reading "Bacitracin Test- Principle, Procedure, Result with Limitation <span class="rating-result after_title mr-filter rating-result-228" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> </span> <span class="star-result"> 4.61/5</span> <span class="count"> (31) </span> </span>"
Bacteriology, Biochemical Test, Laboratory
Reverse CAMP test for the identification of Clostridium perfringens 4.63/5 (106)

By Pratiksha Pokhrel on September 24, 2015

Please rate this Please Rate 0 1 2 3 4 5 Reverse CAMP test for the identification of Clostridium perfringens Hansen used the synergistic relationship between the two microbes to develop a test, known as the reverse CAMP test, using Streptococcus agalactiae for the identification of Clostridium perfringens. Alpha toxin producing C. perfringens and group B, β-haemolytic streptococci grow in… Continue reading "Reverse CAMP test for the identification of Clostridium perfringens <span class="rating-result after_title mr-filter rating-result-218" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> </span> <span class="star-result"> 4.63/5</span> <span class="count"> (106) </span> </span>"
Bacteriology, Biochemical Test, Diagnosis, Laboratory
CAMP Test- Principle, Purpose, Procedure, Result and Limitation 4.68/5 (185)

By Pratiksha Pokhrel on September 22, 2015

Please rate this Please Rate 0 1 2 3 4 5 CAMP Test- Principle, Purpose, Procedure, Result and Limitation CAMP test was first identified by Christie, Atkins, and Munch-Peterson in 1944 and CAMP test is an acronym of three researchers. CAMP (Christie, Atkins, and Munch-Peterson) test is used for the presumptive identification of Group B Streptococci (Streptococcus agalactiae). It is… Continue reading "CAMP Test- Principle, Purpose, Procedure, Result and Limitation <span class="rating-result after_title mr-filter rating-result-209" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> </span> <span class="star-result"> 4.68/5</span> <span class="count"> (185) </span> </span>"
Bacteriology, Biochemical Test, Laboratory
Cetrimide Test- Principle, Procedure, Result Interpretation and Limitation 3.81/5 (26)

By Pratiksha Pokhrel on September 3, 2015

Please rate this Please Rate 0 1 2 3 4 5 Cetrimide Test- Principle, Procedure, Result Interpretation and Limitation Cetrimide is a quaternary ammonium, cationic detergent that is toxic substance to most bacteria, except Pseudomonas aeruginosa and few other bacteria. Principle This test is used to determine the ability of an organism to grow in the presence of cetrimide, a… Continue reading "Cetrimide Test- Principle, Procedure, Result Interpretation and Limitation <span class="rating-result after_title mr-filter rating-result-201" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-o mr-star-empty"></i> </span> <span class="star-result"> 3.81/5</span> <span class="count"> (26) </span> </span>"
Bacteriology, Biochemical Test, Diagnosis, Laboratory
Bile Esculin Test- Principle, Procedure, Result Interpretation and Limitation 4.63/5 (76)

By Pratiksha Pokhrel on September 1, 2015

Please rate this Please Rate 0 1 2 3 4 5 Bile Esculin Test- Principle, Procedure, Result Interpretation and Limitation Bile Esculin agar (BEA) is used for this test. BEA is a selective and differential medium which is presumptively used to identify Enterococci and group D Streptococci based on the ability of an organism to hydrolyze esculin. Bile esculin agar… Continue reading "Bile Esculin Test- Principle, Procedure, Result Interpretation and Limitation <span class="rating-result after_title mr-filter rating-result-143" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star-half-o mr-star-half"></i> </span> <span class="star-result"> 4.63/5</span> <span class="count"> (76) </span> </span>"
Bacteriology, Biochemical Test, Diagnosis, Laboratory
Deoxyribonuclease (DNase) Test- Principle, Uses, Procedure, Result Interpretation, Quality Control, Examples and Limitations 4.9/5 (48)

By Pratiksha Pokhrel on July 19, 2015

Please rate this Please Rate 0 1 2 3 4 5 Deoxyribonuclease (DNase) Test- Principle, Uses, Procedure, Result Interpretation, Quality Control, Examples and Limitations This test is presumptively used to differentiate Staphylococcus aureus which produces the enzyme deoxyribonuclease from other Staphylococci which do not produce deoxyribonuclease (DNase). Staphylococcus aureus possesses a heat-stable enzyme, a thermonuclease. To detect this enzyme, first… Continue reading "Deoxyribonuclease (DNase) Test- Principle, Uses, Procedure, Result Interpretation, Quality Control, Examples and Limitations <span class="rating-result after_title mr-filter rating-result-105" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> </span> <span class="star-result"> 4.9/5</span> <span class="count"> (48) </span> </span>"
Bacteriology, Biochemical Test, Diagnosis, Laboratory
PYR ( L-Pyrrolidonyl-β-Naphthylamide) Test- Principle, Uses, Procedure, Result Interpretaion, Examples and Limitation 4.92/5 (79)

By Pratiksha Pokhrel on July 7, 2015

Please rate this Please Rate 0 1 2 3 4 5 PYR ( L-Pyrrolidonyl-β-Naphthylamide) Test- Principle, Uses, Procedure, Result Interpretaion, Examples and Limitation PYR test is a rapid test which is used in the identification of group A beta-hemolytic Streptococci and in the differentiation of Enterococcus from group D Streptococci. Principle PYR test determines the activity of enzyme L-pyrroglutamyl amino-peptidase… Continue reading "PYR ( L-Pyrrolidonyl-β-Naphthylamide) Test- Principle, Uses, Procedure, Result Interpretaion, Examples and Limitation <span class="rating-result after_title mr-filter rating-result-98" > <span class="mr-star-rating"> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> <i class="fa fa-star mr-star-full"></i> </span> <span class="star-result"> 4.92/5</span> <span class="count"> (79) </span> </span>"