Popular articles

What is Gram stain PPT?

What is Gram stain PPT?

 Gram staining is a method of differentiating bacterial species into two large groups(Gram-positive and Gram-negative).  The Gram staining is almost always the first step in the identification of bacteria.  Gram did not use a counterstain in his procedure.

What is Gram staining techniques?

Gram staining is a common technique used to differentiate two large groups of bacteria based on their different cell wall constituents. The Gram stain procedure distinguishes between Gram positive and Gram negative groups by coloring these cells red or violet.

What are the various modifications of Gram stains?

Burke’s modification of the Gram Stain adds sodium bicarbonate to the crystal violet solution. Sodium bicarbonate prevents the acidification of the solution as iodine oxidizes (McClelland, 2001) and uses an aqueous solution of Safranin for the counterstain (Gephardt et al., 1981).

Is there a Slideshare presentation on Gram staining?

It is a presentation on GRAM STAINING. It includes introduction, History,Principle, Method of gram staining procedure!!!

Which is the best stain for Gram staining?

5.  Applying a primary stain (Crystal Violet) to a heat-fixed smear of a bacterial culture.  The addition of Grams Iodine, which binds to crystal violet and traps it in the cell.  Decolourization with Alcohol or Acetone, and  Counter staining with Safranin

When did Hans Christian Gram develop Gram staining?

Description: Gram Staining Lab 3 Hans Christian Gram Developed Gram Staining in 1844 The reagents Primary stain: Crystal violet Mordant: Iodine Selective Treatment – PowerPoint PPT presentation Number of Views:503 Avg rating:3.0/5.0 Slides: 12 Provided by: LPS Learn more at: http://www.liberty.k12.mo.us Category: Tags:gram| stain| staining

When was differential staining introduced in microbiology?

Gram Staining is the common, important, and most used differential staining techniques in microbiology, which was introduced by Danish Bacteriologist Hans Christian Gram in 1884. This test differentiates the bacteria into Gram Positive and Gram Negative Bacteria, which helps in