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Besides the etymologic explanation that @aandreev gave, in cell culture this term is commonly used to describe the density of adherent cells and it is used as a measure of their proliferation. It is usually combined with an estimated (or counted) percentage, so 10% confluency means that 10% of the surface the dish or flask used is covered with cells, 100% ...


3

con- (com-) is prefix that usually means "togetherness", joining. Root fluency/fluent comes from latin fluere, to flow. Source: Google's definitions for con- and fluency. Google, probably, takes information from Merriam-Webster dictionary.


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I agree with canadianer that chemical tests are generally more useful for identification. However, morphology does help and some staining techniques can be useful for identification (the Gram stain is the obvious one). If you are looking for a microscope, look for a nice scope with a 100x oil-immersion objective and a 10x ocular lens (12x would be OK too). ...


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The storage itself can be done both in the liquid and also in the vapor phase in the liquid nitrogen. Both have their advantages and disadvantages. In my experience there are two main reasons why storage in the vapor phase (although there may be temperature fluctuations when the nitrogen gets low) is recommended. First, you avoid cross contaminations of ...


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For the settling there's little you can do except agitation and using a taller thinner tube and larger suspending volume. For the clumping however if the analysis permits it, adding serum to a [final] of 5% will help slow the clumping (in the short term). You can also filter out initial clumps by pushing the cells through a nylon mesh filter (they make ...



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