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Typical strains of bacteria for evaluation of bactericidal activity of chemical substances

Referenced bacteria strains most commonly used as a test organisms for determination of bactericidal activity are: Psudomonas aeruginosa (ATCC 15442) Escherichia coli (ATCC 10536) Escherichia coli K12 (NCTC 10538) Staphylococcus…

Electromagnetism Physics Waves

What is polarization of light?

Polarization (in physics) is limiting transverse wave vector vibrations to some direction. For non-polarised electromagnetic waves, such as visible light, the electric field vibrates in all directions perpendicular to the…

Laboratory Reagents

Piranha solution preparation

Piranha solution is one of the most commonly used laboratory glass cleaner. Its strong oxidizing agent and removes most organic matter. However, it should be remembered that due to its…