Chemo-receptive lipid based membrane transducers
First Claim
1. A lipid membrane-based device that utilizes transmembrane ion movement for analyzing the concentration of a selected chemical species,said device comprising a perturbable, ion-permeable, lipid membrane andan ion conductive support on which is deposited said ion-permeable lipid membrane, said ion-permeable lipid membrane including a complexing agent for selectively interacting with said selected chemical species to increase transmembrane ion movement, and said ion-permeable lipid membrane having an increased transmembrane ion movement when perturbed.
1 Assignment
0 Petitions
Accused Products
Abstract
A lipid membrane is used as a chemo-receptive transducer for quantitative and semi-quantitative analysis of chemical test species in an electrolyte. The lipid membrane is contacted with an electrolyte containing the test species, and an electrical potential difference is applied across the membrane. From measurements of the trans-membrane ion current variation due to the presence of the test species, a quantitative analysis of the test species may be conducted, on a highly selective basis. Receptors showing a high degree of selectivity towards the test species are included in the membrane.
-
Citations
18 Claims
-
1. A lipid membrane-based device that utilizes transmembrane ion movement for analyzing the concentration of a selected chemical species,
said device comprising a perturbable, ion-permeable, lipid membrane and an ion conductive support on which is deposited said ion-permeable lipid membrane, said ion-permeable lipid membrane including a complexing agent for selectively interacting with said selected chemical species to increase transmembrane ion movement, and said ion-permeable lipid membrane having an increased transmembrane ion movement when perturbed.
-
12. A gas-sensor electrochemical cell comprising
(a) a gas-permeable membrane permeable to an inorganic ion-forming gas, and (b) a perturbable, ion-permeable lipid membrane including a complexing agent for selectively interacting with a selected inorganic ion formed by dissolution of said inorganic ion-forming gas in an aqueous electrolytic solution, said gas-permeable membrane being separated from said ion-permeable lipid membrane by the lipid membrane-contacting, aqueous electrolytic solution.
Specification