Sample measuring method using agglomeration reaction of microcarriers
First Claim
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1. A sample processing method comprising:
- preparing a mixture by mixing carriers to which is adhered a substance that specifically binds to an object substance, with a sample containing said object substance; and
directing light having an intensity gradient onto said mixture to concentrate said carriers at positions irradiated by the light, thereby increasing the efficiency of an agglomeration reaction of said carriers.
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Abstract
A mixture is prepared by mixing carriers to which a substance specifically reacting on an object substance adheres with a sample containing the object substance. The mixture is irradiated by light having an intensity gradient to concentrate the carriers at and near the irradiated positions by the optical pressure of the light. The efficiency of an agglomeration reaction of the carriers is thereby increased. A qualitative or quantitative measurement of the object substance is performed by detecting a state of agglomeration of the carriers within the mixture.
103 Citations
20 Claims
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1. A sample processing method comprising:
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preparing a mixture by mixing carriers to which is adhered a substance that specifically binds to an object substance, with a sample containing said object substance; and directing light having an intensity gradient onto said mixture to concentrate said carriers at positions irradiated by the light, thereby increasing the efficiency of an agglomeration reaction of said carriers. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A sample measuring method comprising:
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preparing a mixture by mixing carriers to which is adhered a substance that specifically binds to an object substance, with a sample containing said object substance; directing light having an intensity gradient onto said mixture to concentrate said carriers at positions irradiated by the light, thereby increasing the efficiency of an agglomeration reaction of said carriers; and detecting a state of agglomeration of the carriers within said mixture to perform a measurement of the object substance. - View Dependent Claims (9, 10, 11, 12)
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13. A sample measuring method comprising:
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preparing a mixture by mixing carriers, to which is adhered a substance that specifically binds to an object substance, with a sample containing said object substance; directing light having an intensity gradient onto said mixture to concentrate said carriers at positions irradiated by the light, thereby increasing the efficiency of an agglomeration reaction of said carriers; and detecting a state of agglomeration of the carriers within said mixture, to perform a measurement of said object substance, wherein said detecting comprises obtaining image information at the completion of the agglomeration reaction for image analysis. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification