Advantages of serial dilution-agar plate. Only viable cells counted 2. Perechenj dokumentov dlya oformleniya pensii po vozrastu v uzbekistane en. Allows isolation of discrete colonies that can be subcultured into pure colonies which can.

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A serial dilution is the stepwise of a in. Usually the at each step is constant, resulting in a of the in a fashion. A ten-fold serial dilution could be 1, 0.1 M, 0.01 M, 0.001 M. Serial dilutions are used to accurately create highly diluted solutions as well as solutions for resulting in with a.

A tenfold dilution for each step is called a logarithmic dilution or log-dilution, a 3.16-fold (10 0.5-fold) dilution is called a half-logarithmic dilution or half-log dilution, and a 1.78-fold (10 0.25-fold) dilution is called a quarter-logarithmic dilution or quarter-log dilution. Serial dilutions are widely used in experimental sciences, including,,,. Contents • • • • • In biology and medicine [ ] In and, besides the more conventional uses described above, serial dilution may also be used to reduce the concentration of microscopic organisms or cells in a sample.

As, for instance, the number and size of that grow on an plate in a given time is concentration-dependent, and since many other diagnostic techniques involve physically counting the number of micro-organisms or cells on specials printed with grids (for comparing concentrations of two organisms or cell types in the sample) or wells of a given volume (for absolute concentrations), dilution can be useful for getting more manageable results. Serial dilution is also a cheaper and simpler method for preparing than. In homeopathy [ ]. Experiments in Microbiology, Plant Pathology and Biotechnology. New Age Publishers, 2005, p.

• Booth, C.; et al. Methods in microbiology 35. Academic Press. • Weissmann, Gerald (2006). The FASEB Journal.

20 (11): 1755–1758.. Retrieved 2008-02-01. • Ernst, Edzard (November 2005).

'Is homeopathy a clinically valuable approach?' Trends in Pharmacological Sciences. 26 (11): 547–548.. Bishop, Edward P.

Fody, Larry E. Clinical Chemistry: Principles, Procedures, Correlations. Lippincott Williams & Wilkins, 2004, p. 24.

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