![]() ![]() These are used to make high dilutions with a small number of test tubes and a minimal amount of diluent: This is commonly done to determine the strength or tier of a particular antibody in patient serum as a part of the diagnosis of a disease state. Principle: Serial dilutions are a set of dilutions in which the dilution factor is exactly the same at each step. Most commonly, serial dilutions are twofold, that is, each dilution is half as concentrated as the preceding one: The total volume in each tube is the same Serial dilution means decreasing the volume of serum progressively by maintaining a constant volume of fluid. Dilution is usually expressed as one unit of the original solution to the total number of units of final solution. This is usually done by adding a water saline, which contains none of the material being diluted. Dilution is the act of making a weaker solution from a stronger one. ![]()
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