Aeromonas Bacteria

Aeromonas is gram negative rods, facultative anaerobic seen in soil and fresh and brackish water and it causes infections in both Human and Animals mostly fishes The most important ...

Candida Albicans Chromogenic Culture Media

For selective isolation of yeasts and direct identification of Candida albicans Candida albicans colonies are coloured blue by the specific hydrolysis of a hexosaminidase chromogenic ...

Ecoli Live Dead Staining with DNA dyes

old E.coli culture stained with DNA dyes Propidium Iodine which is not membrane permeable (stains dead/broken cells) and Syto9 which is membrane permeable and will thus stain all ...

Chlorhexidine Antiseptic Action

Chlorhexidine is effective on both gram positive and negative, although some gram negative bacteria have resistance. The bactericidal effect is a result of the binding of this cationic ...

Dendritic Cells

Dendritic cells are antigen-presenting cells, so their main function is to process antigen material and present it on the cell surface to the T cells of the immune system. Dendritic ...

fibrin strands with platelets in a smear

Conditions which cause platelet activation and aggregation in a sample (or a patient) may also promote fibrin formation by activation of the coagulation cascade. Shown above is a ...

The Co-operation between Fungi and bacteria

It makes sense that two organisms in the same niche should compete for space and resources. Far more interesting is the fact that sometimes fungi and bacteria will work together in ...

Pyknocyte (Blister Cell)

It’s mature red blood cell with a clearing on one side and a concentrated area of hemoglobin on the other side Clinical Conditions: Infantile pyknocytosis Infantile viremia G6PD ...

Hepatitis A Virus (HAV) Structure

The hepatitis A virus is a picornavirus; it is non-enveloped and contains a single-stranded RNA packaged in a protein shell. There is only one serotype of the virus, but multiple genotypes ...
PCR basic steps

PCR: Polymerase Chain Reaction

The polymerase chain reaction (PCR) is a biochemical technology in molecular biology used to amplify a single or a few copies of a piece of DNA across several orders of magnitude, generating ...

Hemoglobin C Diease and Trait laboratory diagnosis

Hemoglobin C (HbC) is an abnormal hemoglobin in which substitution of a glutamic acid with a lysine at the 6th position of the β-globin chain This mutation is either heterozygous ...

Poikilocytosis and RBC inclusions associated with asplenic patients

The RBC in the center of the field contains several Howell-Jolly bodies, or inclusions of nuclear chromatin remnants. There is also a nucleated RBC just beneath this RBC. Abnormal ...
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