MOA of Cephalosporin Antibiotics
Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do they destroy bacteria without hurting our cells?
Apr 14, 2008
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Tami Port
Gram Positive ( Gram+ ) Bacteria
Most bacteria have one of these two types of cell walls. The differential Gram stain uses two dyes to distinguish between bacteria based on cell wall structure.
Apr 14, 2008
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Tami Port
Gram Negative ( Gram- ) Bacteria
Most bacteria have one of these two types of cell walls. The differential Gram stain uses two dyes to distinguish between bacteria based on cell wall structure.
Apr 14, 2008
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Tami Port
How Aminoglycoside Antibiotics Kill Bacteria
Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do aminoglycosides destroy bacteria without hurting our cells?
Apr 13, 2008
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Tami Port
MOA of Macrolide Antibiotics
Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do macrolides destroy bacteria without hurting our cells?
Apr 13, 2008
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Tami Port
Gram Negative Bacterial Stain
Gram- bacteria stain pink due to the location of cell wall peptidoglycan and an external LPS membrane. Here's how Gram staining identifies Gram negative organisms.
Mar 27, 2008
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Tami Port
Gram Positive Bacterial Stain
Gram + bacteria stain purple due to the chemistry and structure of their peptidoglycan cell wall. Here's how Gram staining identifies Gram-positive organisms.
Mar 25, 2008
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Tami Port
Bacteria Gram Stain Reaction
Gram staining involves the application of a series of dyes that leaves some bacteria purple (Gram +) and others pink (Gram -). Here's how the Gram stain works.
Mar 25, 2008
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Tami Port
Bacterial Cell Wall Structure
The amount and location of peptidoglycan in the prokaryotic cell wall is what determines whether a bacterium is Gram-positive or Gram-negative.
Sep 30, 2007
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Tami Port
Lysozyme
How Dr Alexander Fleming, in 1922, discovered the anti-bacterial properties of lysozyme, first in his own nasal mucus and subsequently in tears
Aug 18, 2007
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George Frederick Winter
