Written by Monday, 03 April 2017 23:28
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…


Written by Sunday, 02 April 2017 12:55
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.…
A 52-year-old Malaysian man, a 24-year-old sub-Saharan woman, and a 28-year-old Madagascan woman (who was heterozygous for hemoglobin S) were admitted to North Hospital in Marseilles, France. Blood tests using…

Stains/ Dyes

Written by Tuesday, 28 February 2017 00:42
STAINS/ DYES They are colored organic compounds used for staining microorganisms. Chemically,Stains= Benzene ring+ Chromophore+ Auxochrome According to nature of stain, it can be classified into: 1. Acidic Dyes:   It…

Top 9 Deadliest Viruses on Earth

Written by Sunday, 30 October 2016 00:31
Deadly Diseases Humans have been battling viruses since before our species had even evolved into its modern form. For some viral diseases, vaccines and antiviral drugs have allowed us to…

Iron-Deficiency Anemia in Ulcerative Colitis

Written by Tuesday, 25 October 2016 22:36
Many patients with ulcerative colitis don't receive recommended testing and treatment for the common problem of iron deficiency anemia, reports a study in the October issue of Inflammatory Bowel Diseases,…

Sepsis and the hematology laboratory

Written by Monday, 17 October 2016 00:39
An affordable, widely available test can impact today`s biggest healthcare challenge.   Sepsis, the inflammatory response to infection, is quickly becoming one of the biggest healthcare problems worldwide. No matter…

Sabotaging flagella of bacteria to halt infections

Written by Wednesday, 28 September 2016 19:33
Some bacteria have the ability to ‘swim’ in a controlled fashion through the use of appendages called flagella. Researchers think that disabling these flagella is a key step towards infection

Tick-borne Hemorrhagic Fever Kills Man in Spain

Written by Saturday, 03 September 2016 18:12
Spanish health authorities said on Thursday they were investigating a possible outbreak of Crimean-Congo hemorrhagic fever (CCHF) which has killed one man and infected a nurse, in the first non-imported…

Interpreting Plates - Colony Morphology

Written by Tuesday, 27 September 2016 17:32
Bacteria grow tremendously fast when supplied with an abundance of nutrients. Different types of bacteria will produce different-looking colonies, some colonies may be colored, some colonies are circular in shape,…
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CHOLERA is a specific infectious disease that affects the lower portion of the intestine and is char...

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