Photoformed silicone sensor membrane
First Claim
Patent Images
1. A device for analyzing a sample, comprising:
- an orifice for receiving the sample;
a conduit that leads from the orifice and to a sensor; and
a pump for moving the sample through the conduit and across the sensor;
wherein the sensor comprises a sensing surface, a matrix overlaying the sensing surface, and a directly photoformed membrane comprising a silsesquioxane polymer overlaying at least a portion of the matrix, wherein the membrane is substantially permeable to gaseous molecules and substantially impermeable to non-gaseous molecules and ions.
2 Assignments
0 Petitions
Accused Products
Abstract
A sensing device includes a sensing surface, and a matrix overlaying the sensing surface. The sensing device includes a photoformed membrane overlaying at least a portion of the matrix. The photoformed membrane includes a directly photoformed organosiloxane polymer that is substantially permeable to gaseous molecules and substantially impermeable to non-gaseous molecules and ions.
17 Citations
26 Claims
-
1. A device for analyzing a sample, comprising:
-
an orifice for receiving the sample; a conduit that leads from the orifice and to a sensor; and a pump for moving the sample through the conduit and across the sensor; wherein the sensor comprises a sensing surface, a matrix overlaying the sensing surface, and a directly photoformed membrane comprising a silsesquioxane polymer overlaying at least a portion of the matrix, wherein the membrane is substantially permeable to gaseous molecules and substantially impermeable to non-gaseous molecules and ions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A method for detecting an analyte in a sample using a cartridge in combination with an analyzer, wherein the cartridge comprises an orifice for receiving the sample, a conduit that leads from the orifice to a sensor, and a pump for moving the sample through the conduit and across the sensor,
wherein the sensor comprises a sensing surface, a matrix overlaying the sensing surface, and a directly photoformed membrane comprising a silsesquioxane polymer overlaying at least a portion of the matrix, wherein the membrane is substantially permeable to gaseous molecules and substantially impermeable to non-gaseous molecules and ions, and wherein the analyzer is capable of actuating the pump to displace the sample in the cartridge, the method comprising: -
(a) introducing the sample to the orifice; (b) closing the orifice; (c) inserting the cartridge into the analyzer; (d) actuating the pump to deliver a portion of the sample to the conduit; (e) contacting the sensor with the sample; and (f) detecting an analyte in the sample. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
-
-
25. An oxygen sensing device, comprising:
-
a metal sensing surface; a matrix overlaying the sensing surface, and a directly photoformed membrane comprising a silsesquioxane polymer overlaying at least a portion of the matrix, wherein the membrane is substantially permeable to oxygen molecules and substantially impermeable to non-gaseous molecules and ions.
-
-
26. A carbon dioxide sensing device, comprising:
-
a pH sensing surface; a matrix comprising carbonic anhydrase and quinhydrone overlaying the sensing surface; and a directly photoformed membrane comprising a silsesquioxane polymer overlaying at least a portion of the matrix, wherein the membrane is substantially permeable to carbon dioxide molecules and substantially impermeable to non-gaseous molecules and ions.
-
Specification