Composition, apparatus and method for sensing ionic components
First Claim
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1. A composition of matter useful for sensing the concentration of an ionic component in a medium, comprising:
- a matrix material having a cationic or anionic charge therewithin; and
a sensing component chemically bonded to said matrix material and being effective to provide a signal in response to the presence of said ionic component in said medium;
wherein said matrix material has sufficient cationic or anionic charge distributed within said matrix material such that the apparent ionic concentration sensed by said sensing component within said matrix material is higher or lower than the actual ionic concentration in said medium.
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Abstract
A composition of matter useful for sensing the concentration of an ionic component in a medium comprising a cationic or anionic matrix material and a sensing component chemically bonded to the matrix material and being effective to provide a signal in response to the presence of the ionic component in the medium.
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Citations
49 Claims
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1. A composition of matter useful for sensing the concentration of an ionic component in a medium, comprising:
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a matrix material having a cationic or anionic charge therewithin; and a sensing component chemically bonded to said matrix material and being effective to provide a signal in response to the presence of said ionic component in said medium; wherein said matrix material has sufficient cationic or anionic charge distributed within said matrix material such that the apparent ionic concentration sensed by said sensing component within said matrix material is higher or lower than the actual ionic concentration in said medium. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A composition of matter useful for sensing the concentration of an ionic component in a medium, said composition comprising a combination of at least two of:
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(1) a matrix material having a cationic charge therewithin and a first sensing component within said cationic matrix material, said first sensing component within said cationic matrix material being effective to provide a signal in response to the presence of said ionic component in said medium in a first concentration range; (2) a substantially nonionic matrix material and a second sensing component within said nonionic matrix material, said second sensing component within said nonionic matrix material being effective to provide a signal in response to the presence of said ionic component in said medium in a second concentration range; and (3) a matrix material having an anionic charge therewithin and a third sensing component within said anionic matrix material, said third sensing component within said anionic matrix material being effective to provide a signal in response to the presence of said ionic component in said medium in a third concentration range; wherein said first, second, and third sensing components are made from the same indicator material. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An apparatus for measuring the concentration of an ionic component in a medium, comprising:
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sensor means including a matrix material having a cationic or anionic charge therewithin, and a sensing component chemically bonded to said matrix material and being effective to provide a signal in response to the presence of said ionic component in said medium, wherein said matrix material has sufficient cationic or anionic charge distributed within said matrix material such that the apparent ionic concentration sensed by said sensing component within said matrix material is higher or lower than the actual ionic concentration in said medium; and signal means capable of transmitting said signal from said sensing component. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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23. An apparatus for measuring the concentration of an ionic component in a medium, comprising:
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sensor means including a combination of at least two of; (1) a matrix material having a cationic charge therewithin and a first sensing component within said cationic matrix material, said first sensing component within said cationic matrix material being effective to provide a signal in response to the presence of said ionic component in said medium in a first concentration range;
(2) a substantially nonionic matrix material and a second sensing component within said nonionic matrix material, said second sensing component within said nonionic matrix material being effective to provide a signal in response to the presence of said ionic component in said medium in a second concentration range; and
(3) a matrix material having an anionic charge therewithin and a third sensing component within said anionic matrix material, said third sensing component within said anionic matrix material being effective to provide a signal in response to the presence of said ionic component in said medium in a third concentration range;
wherein said first, second, and third sensing components are made from the same indicator material; andsignal means capable of transmitting said signals from said first, second, and third sensing components. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31)
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32. A method for sensing the concentration of an ionic component in a medium, comprising:
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contacting said medium with a composition comprising; a matrix material having a cationic or anionic charge therewithin; and a sensing component chemically bonded to said matrix material and being effective to provide a signal in response to the presence of said ionic component in said medium; wherein said matrix material has sufficient cationic or anionic charge distributed within said matrix material such that the apparent ionic concentration sensed by said sensing component within said matrix material is higher or lower than the actual ionic concentration in said medium; and analyzing said signal to determine the concentration of said ionic component in said medium. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40)
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41. A method for sensing the concentration of an ionic component in a medium, comprising:
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contacting said medium with a composition comprising a combination of at least two of; (1) a matrix material having a cationic charge therewithin and a first sensing component within said cationic matrix material, said first sensing component within said cationic matrix material being effective to provide a signal in response to the presence of said ionic component in said medium in a first concentration range;
(2) a substantially nonionic matrix material and a second sensing component within said nonionic matrix material, said second sensing component within said nonionic matrix material being effective to provide a signal in response to the presence of said ionic component in said medium in a second concentration range; and
(3) a matrix material having an anionic charge therewithin and a third sensing component within said anionic matrix material, said third sensing component within said anionic matrix material being effective to provide a signal in response to the presence of said ionic component in said medium in a third concentration range;
wherein said first, second, and third sensing components are made from the same indicator material; andanalyzing said signal or signals provided by said sensing components to determine the concentration of said ionic component in said medium. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49)
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Specification