APPARATUS AND ASSOCIATED METHODS
First Claim
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1. An analyte sensor apparatus and a corresponding fluid medium,the analyte sensor apparatus comprising a sensing element, the external surface of which comprises a membrane to inhibit exposure of the sensing element;
- the corresponding fluid medium comprising a receptor species and an activatable species, the receptor species for interacting with an analyte to activate the activatable species, activation of the activated species causing increased porosity of the membrane of an in-contact analyte sensor apparatus to correspondingly increase exposure of the sensing element to allow for production of a detectable electrical signal which can be used to sense the presence of the analyte.
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Abstract
An analyte sensor apparatus and a corresponding fluid medium,
- the analyte sensor apparatus comprising a sensing element, the external surface of which comprises a membrane to inhibit exposure of the sensing element;
- the corresponding fluid medium comprising a receptor species and an activatable species, the receptor species for interacting with an analyte to activate the activatable species, activation of the activated species causing increased porosity of the membrane of an in-contact analyte sensor apparatus to correspondingly increase exposure of the sensing element to allow for production of a detectable electrical signal which can be used to sense the presence of the analyte.
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Citations
19 Claims
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1. An analyte sensor apparatus and a corresponding fluid medium,
the analyte sensor apparatus comprising a sensing element, the external surface of which comprises a membrane to inhibit exposure of the sensing element; the corresponding fluid medium comprising a receptor species and an activatable species, the receptor species for interacting with an analyte to activate the activatable species, activation of the activated species causing increased porosity of the membrane of an in-contact analyte sensor apparatus to correspondingly increase exposure of the sensing element to allow for production of a detectable electrical signal which can be used to sense the presence of the analyte. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A fluid medium for use with a corresponding analyte sensor apparatus comprising a sensing element, the external surface of which comprises a membrane to inhibit exposure of the sensing element;
the fluid medium comprising a receptor species and an activatable species, the receptor species for interacting with an analyte to activate the activatable species, activation of the activated species causing increased porosity of the membrane of an in-contact analyte sensor apparatus to correspondingly increase exposure of the sensing element to allow for production of a detectable electrical signal which can be used to sense the presence of the analyte.
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16. A method of sensing an analyte, the method comprising:
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using/providing an analyte sensor apparatus and a corresponding fluid medium, the analyte sensor apparatus comprising a sensing element, the external surface of which comprises a membrane to inhibit exposure of the sensing element, the corresponding fluid medium comprising a receptor species and an activatable species, the receptor species for interacting with an analyte to activate the activatable species, activation of the activated species causing increased porosity of the membrane of an in-contact analyte sensor apparatus to correspondingly increase exposure of the sensing element to allow for production of a detectable electrical signal which can be used to sense the presence of the analyte; and exposing the analyte to the corresponding fluid medium and analyte sensor apparatus to allow for production of a detectable electrical signal which can be used to sense the presence of the analyte.
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17. A computer program for sensing the presence of an analyte, the computer program comprising computer code to detect an electrical signal produced from an analyte sensor apparatus and a corresponding fluid medium, the analyte sensor apparatus comprising a sensing element, the external surface of which comprises a membrane to inhibit exposure of the sensing element, the corresponding fluid medium comprising a receptor species and an activatable species, the receptor species for interacting with an analyte to activate the activatable species, activation of the activated species causing increased porosity of the membrane of an in-contact analyte sensor apparatus to correspondingly increase exposure of the sensing element to allow for production of a detectable electrical signal which can be used to sense the presence of the analyte.
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18. A method of recycling an analyte sensor apparatus, the method comprising:
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providing an analyte sensor apparatus, the analyte sensor apparatus comprising a sensing element, the external surface of which comprises a membrane; introducing a surfactant solution to interact with and break down the integrity of the membrane; washing the external surface of the sensing element; and forming a new membrane on the external surface of the sensing element.
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19. The use of an analyte sensor apparatus and corresponding fluid medium for detecting the presence of an analyte, the use comprising:
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providing an apparatus and corresponding fluid medium, the analyte sensor apparatus comprising a sensing element, the external surface of which comprises a membrane to inhibit exposure of the sensing element, the corresponding fluid medium comprising a receptor species and an activatable species, the receptor species for interacting with an analyte to activate the activatable species, activation of the activated species causing increased porosity of the membrane of an in-contact analyte sensor apparatus to correspondingly increase exposure of the sensing element to allow for production of a detectable electrical signal which can be used to sense the presence of the analyte; and instructing exposure of the analyte to the corresponding fluid medium and analyte sensor apparatus to allow for production of a detectable electrical signal which can be used to sense the presence of the analyte.
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Specification