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Molar concentration or molarity is most commonly expressed in units of moles of solute per litre of solution. [1] For use in broader applications, it is defined as amount of substance of solute per unit volume of solution, or per unit volume available to the species, represented by lowercase c {\displaystyle c} : [ 2 ]
The MIC is often expressed in micrograms per milliliter (μg/mL) or milligrams per liter (mg/L). In diagnostic labs, MIC test results are used to grade the susceptibility of microbes. These grades are assigned based on agreed upon values called breakpoints.
micromolar 10 6 M MM megamolar 10 −9 M nM nanomolar 10 9 M GM gigamolar 10 −12 M pM picomolar 10 12 M TM teramolar 10 −15 M fM femtomolar 10 15 M PM petamolar 10 −18 M aM attomolar 10 18 M EM examolar 10 −21 M zM zeptomolar 10 21 M ZM zettamolar 10 −24 M yM yoctomolar 10 24 M YM yottamolar 10 −27 M rM rontomolar 10 27 M RM ronnamolar
Alternative online IC50 calculator (www.ic50.org) based on Python, NumPy, SciPy and Matplotlib; ELISA IC50/EC50 Online Tool (link seems broken) IC50 to pIC50 calculator; Online tool for analysis of in vitro resistance to antimalarial drugs; IC50-to-Ki converter of an inhibitor and enzyme that obey classic Michaelis-Menten kinetics
At a wavelength of 260 nm, the average extinction coefficient for double-stranded DNA is 0.020 (μg/mL) −1 cm −1, for single-stranded DNA it is 0.027 (μg/mL) −1 cm −1, for single-stranded RNA it is 0.025 (μg/mL) −1 cm −1 and for short single-stranded oligonucleotides it is dependent on the length and base composition.
A solution with 1 g of solute dissolved in a final volume of 100 mL of solution would be labeled as "1%" or "1% m/v" (mass/volume). This is incorrect because the unit "%" can only be used for dimensionless quantities. Instead, the concentration should simply be given in units of g/mL.
In the metric system, a microgram or microgramme is a unit of mass equal to one millionth (1 × 10 −6) of a gram. The unit symbol is μg according to the International System of Units (SI); the recommended symbol in the United States and United Kingdom when communicating medical information is mcg .
c 1 = initial concentration or molarity; V 1 = initial volume; c 2 = final ... the equation can be used to calculate the time required at a certain ventilation rate ...