Electrically controlled transport of charged penetrants...

A - Human Necessities – 61 – K

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A61K 9/00 (2006.01) A61K 9/127 (2006.01)

Patent

CA 2345355

It is an object of the invention to provide a preparation comprising penetrants formed by single molecules or by arrangements of molecules, said penetrants being capable of penetrating the pores of a barrier even when the average diameter of said barrier pores is less than the average diameter of said penetrants, since the penetrants are adaptable to the pores, and said penetrants being capable of transporting agents through said pores, or enabling agent permeation through said pores after the penetrants have entered said pores; the average diameter and the adaptability of said penetrants being selected, and said penetrants and/or said agents being provided with sufficient electrical charges, to enable and/or control agent transport through said pores by said penetrants, or agent permeation through said pores after penetrant entry into said pores, under the influence of a suitable electrical driving force, said selection at the same time maintaining sufficient penetrant stability. It is another object of the invention to provide a method for effecting the electrically driven transport of said penetrants and associated molecules through the pores in a barrier.

L'invention porte sur une préparation comportant des pénétrants constitués de molécules isolées ou en arrangements capables de pénétrer les pores d'une barrière même lorsque le diamètre moyen desdits pores est inférieur au diamètre moyen desdits pénétrants. Les pénétrants peuvent s'adapter aux pores et transporter des agents à travers eux ou en permettre la perméation à travers ces mêmes pores après que les pénétrants les aient traversé. Le diamètre moyen et l'adaptabilité des pénétrants doivent être sélectionnés et les pénétrants et/ou les agents doivent présenter des charges électriques suffisantes pour permettre et contrôler le transport des agents ou assurer la perméation des agents à travers les pores après que les pénétrants les aient traversé sous l'influence d'une force électrique d'entraînement idoine. Ladite sélection doit assurer en même temps une stabilité suffisante des pénétrants. L'invention porte également sur le procédé de transport induit électriquement desdits pénétrants et des molécules associées à travers les pores d'une barrière.

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