serial dilutions

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• Serial dilution — A serial dilution is the stepwise dilution of a substance in solution. Usually the dilution factor at each step is constant, resulting in a geometric progression of the concentration in a logarithmic fashion. A ten fold serial dilution could be 1 …   Wikipedia

• serial dilution — a set of dilutions in a mathematical sequence. In microbiological technique, serial dilutions are used to obtain a culture plate that yields a countable number of separate colonies. From this, a calculation of viable cells in the original… …   Medical dictionary

• Homeopathic dilutions — Homeopathy often involves the preparation of remedies that are highly diluted. This article is meant to address the mathematical and physical nature of extreme dilutions. Dilution calculation ;Calculation of numbers of molecules in… …   Wikipedia

• Bacteriological water analysis — is a method of analysing water to estimate the numbers of bacteria present and, if needed, to find out what sort of bacteria they are. It is microbiological analytical procedure which uses samples of water and from these samples determines the… …   Wikipedia

• Miles and Misra method — Miles Misra method. Dilutions of S.pneumoniae on blood agar plate. The Miles and Misra Method (or surface viable count) is a technique used in Microbiology to determine the number of colony forming units in a bacterial suspension or homogenate.… …   Wikipedia

• Ratio — This article is about the mathematical concept. For the Swedish institute, see Ratio Institute. For the academic journal, see Ratio (journal). For the philosophical concept, see Reason. For the legal concept, see Ratio decidendi. The ratio of… …   Wikipedia

• Rideal-Walker method — a method for calculating the phenol coefficient of a disinfectant; cultures of Salmonella enterica subsp. enterica serovar Typhi are incubated with serial dilutions of the test compound, with dilutions of phenol as standards. Samples are removed… …   Medical dictionary

• Tumor marker — A tumor marker is a substance found in the blood, urine, or body tissues that can be elevated in cancer, among other tissue types. There are many different tumor markers, each indicative of a particular disease process, and they are used in… …   Wikipedia

• Microtiter plate — Microplate redirects here. For the geographical use, see list of tectonic plates. Microtiter plates with 96, 384 and 1536 wells A Microtiter plate (spelled microtitre outside the United States) or microplate or microwell plate, [1] is a flat… …   Wikipedia

• Real-time polymerase chain reaction — In molecular biology, real time polymerase chain reaction, also called quantitative real time polymerase chain reaction (qPCR) or kinetic polymerase chain reaction, is a laboratory technique based on the polymerase chain reaction, which is used… …   Wikipedia

• Zinc finger chimera — Zinc finger protein chimera are chimeric proteins composed of a DNA binding zinc finger protein domain and another domain through which the protein exerts its effect. The effector domain may be a transcriptional activator (A) or repressor… …   Wikipedia