Sensing elements and methods for making and using same
First Claim
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1. A sensing element for sensing the concentration of an analyte in a medium comprising:
- a matrix material having at least one indicator component covalently bonded thereto, said indicator component being capable of providing a signal dependent on the concentration of an analyte in a medium and being derived from at least one indicator compound having an aromatic ring to which is directly covalently bonded a group including a functional portion which is conjugated relative to said aromatic ring.
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Abstract
A sensing element for sensing the concentration of an analyte in a medium is disclosed. The sensing element comprises a matrix material having at least one indicator component covalently bonded thereto. The indicator component is capable of providing a signal dependent on the concentration of a analyte in a medium. The indicator component is derived from at least one indicator compound having an aromatic ring to which is directly bonded a group including a functional portion which is conjugated relative to this aromatic ring.
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Citations
39 Claims
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1. A sensing element for sensing the concentration of an analyte in a medium comprising:
a matrix material having at least one indicator component covalently bonded thereto, said indicator component being capable of providing a signal dependent on the concentration of an analyte in a medium and being derived from at least one indicator compound having an aromatic ring to which is directly covalently bonded a group including a functional portion which is conjugated relative to said aromatic ring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for sensing the concentration of an analyte in a medium comprising:
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exposing a sensing element to said medium, said sensing element comprising a matrix material having at least one indicator component covalently bonded thereto, said indicator component being capable of providing a signal dependent on the concentration of said analyte in said medium and being derived from at least one indicator compound having an aromatic ring to which is directly covalently bonded a group including a functional portion which is conjugated relative to said aromatic ring; causing said indicator component to provide said signal; and analyzing said signal in determining the concentration of said analyte in said medium. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method for producing a sensing element useful for sensing the concentration of an analyte in a medium comprising:
contacting at least one precursor of an indicator component with a reactable material at conditions effective to form a matrix material having said indicator component covalently bonded thereto, said at least one precursor of said indicator component including an indicator compound having an aromatic ring to which is directly covalently bonded a group including a functional portion which is conjugated relative to said aromatic ring and which is capable of chemically reacting at said conditions, said covalently bonded indicator component being capable of providing a signal dependent on the concentration of said analyte in said medium. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A method for producing a sensing element useful for sensing the concentration of an analyte in a medium comprising:
contacting a composition containing at least one precursor of an indicator component and at least one of a silicone-based polymer and a precursor of a silicone-based polymer at conditions effective to form a cross-linked, silicone-based polymeric matrix material having said indicator component covalently bonded thereto, said covalently bonded indicator component being capable of providing a signal dependent on the concentration of said analyte in said medium, said at least one precursor of said indicator component including an indicator compound having an aromatic ring to which is covalently bonded a group including a functional portion which is conjugated relative to said aromatic ring and which is capable of chemically reacting at said conditions. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39)
Specification