【人気ダウンロード！】 e coli under microscope oil immersion 201104-How to do oil immersion microscopy
A regular compound microscope will work on 40x, or 100x with an oil immersion lens Just be careful with when you culture the E Coli so no one gets contaminated and use safranin to stain the cells since E Coli is Gram negativeA Betahemolytic colonies of Staphylococcus aureus on sheep blood agar Cultivation 24 hours, aerobic atmosphere, 37°C B Yellow colored colonies of Staphylococcus aureus on Tryptic Soy Agar Carotenoid pigment staphyloxanthin is responsible for the characteristic golden colour of S aureus colonies This pigment acts as a virulence factorPick up a "tiny" amount of an Escherichia coli colony refer to the microscope focusing procedure described in (oilimmersion lens) a Rotate the nosepiece to the empty slot between the 40X and 100X objectives b Add a drop of oil to slide where the light passes through The oil has the same refractive index as The Oil Immersion Lens Needed To View Bacteria How to do oil immersion microscopy