• Anglický jazyk

Partition coefficient

Autor: Lambert M. Surhone

In organic chemistry and the pharmaceutical sciences, a partition (P) or distribution coefficient(D) is the ratio of concentrations of a compound in the two phases of a mixture of two immiscible solvents at equilibrium. Hence these coefficients are a measure... Viac o knihe

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O knihe

In organic chemistry and the pharmaceutical sciences, a partition (P) or distribution coefficient(D) is the ratio of concentrations of a compound in the two phases of a mixture of two immiscible solvents at equilibrium. Hence these coefficients are a measure of differential solubility of the compound between these two solvents. Normally one of the solvents chosen is water while the second is hydrophobic such as octanol. Hence both the partition and distribution coefficient are measures of how hydrophilic or hydrophobic a chemical substance is. Partition coefficients are useful for example in estimating distribution of drugs within the body. Hydrophobic drugs with high partition coefficients are preferentially distributed to hydrophobic compartments such as lipid bilayers of cells while hydrophilic drugs preferentially are found in hydrophilic compartments such as blood serum.

  • Vydavateľstvo: Betascript Publishers
  • Rok vydania: 2009
  • Formát: Paperback
  • Rozmer: 221 x 151 mm
  • Jazyk: Anglický jazyk
  • ISBN: 9786130301019

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