Method and sensor for detecting a chemical substance using an optically anisotropic material
First Claim
Patent Images
1. A method for detecting a chemical substance in an analyte, comprising steps of:
- subjecting an optically anisotropic material at least partially surrounded by absorbent particles to the analyte;
passing light through the anisotropic material;
collecting at least a portion of the passed light; and
detecting a change in an optical anisotropy of the collected light, the change being indicative of the chemical substance in the analyte.
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Abstract
A method and sensor for detecting a chemical substance in an analyte. An anisotropic material is subjected to the analyte. Light is passed through the anisotropic material and collected. A change of an optical anisotropy of the collected light is detected, the change being indicative of the chemical substance in the analyte.
72 Citations
202 Claims
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1. A method for detecting a chemical substance in an analyte, comprising steps of:
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subjecting an optically anisotropic material at least partially surrounded by absorbent particles to the analyte;
passing light through the anisotropic material;
collecting at least a portion of the passed light; and
detecting a change in an optical anisotropy of the collected light, the change being indicative of the chemical substance in the analyte. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
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59. A sensor for detecting a chemical substance in an analyte, comprising:
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an optically anisotropic material at least partially surrounded by absorbent particles to be subjected to the analyte;
a light supply passing light through the anisotropic material;
a collector capturing at least a portion of the passed light; and
a detector characterizing or quantifying a change in an optical anisotropy of the collected light, the change being indicative of the chemical substance in the analyte. - View Dependent Claims (60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100)
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101. A method for detecting a chemical substance in an analyte, comprising steps of:
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subjecting an optically anisotropic material to the analyte;
passing visible light through the anisotropic material;
collecting at least a portion of the passed visible light; and
detecting a change in a polarization state of the collected visible light, the change being indicative of the chemical substance in the analyte. - View Dependent Claims (102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158)
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159. A sensor for detecting a chemical substance in an analyte, comprising:
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an optically anisotropic material to be subjected to the analyte;
a light supply passing visible light through the anisotropic material;
a collector capturing at least a portion of the passed visible light; and
a detector characterizing or quantifying a change in a polarization state of the collected visible light, the change being indicative of the chemical substance in the analyte. - View Dependent Claims (160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200)
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201. A method for detecting a chemical substance in an analyte, comprising steps of:
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subjecting an optically anisotropic material other than porous silicon to the analyte;
passing light through the anisotropic material;
collecting at least a portion of the passed light; and
detecting a change in an optical anisotropy of the collected light, the change being indicative of the chemical substance in the analyte.
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202. A sensor for detecting a chemical substance in an analyte, comprising:
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an optically anisotropic material other than porous silicon to be subjected to the analyte;
a light supply passing light through the anisotropic material;
a collector capturing at least a portion of the passed light; and
a detector characterizing or quantifying a change in an optical anisotropy of the collected light, the change being indicative of the chemical substance in the analyte.
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Specification