Optical system and method for reading encoded microbeads
First Claim
1. An optical system for reading structurally distinct microbeads, the microbeads being encoded and providing output light signals onto a Fourier plane when illuminated by an incident light, the system comprising:
- an input light source configured to illuminate the structurally distinct microbeads thereby providing the output light signals, the output light signals configured to be projected onto the Fourier plane in a readable manner;
a reading device positioned to detect the output light signals from the Fourier plane, wherein the input light source and the reading device are configured to automatically illuminate the microbeads and detect the output light signals in a predetermined manner;
a processor configured to perform Fourier plane analysis of the output light signals to determine corresponding codes of the microbeads. anda support substrate configured to receive a plurality of the microbeads that are randomly distributed along the support substrate.
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Abstract
Optical system for reading structurally distinct microbeads. The microbeads are encoded and provide output light signals onto a Fourier plane when illuminated by an incident light. The system includes an input light source configured to illuminate the structurally distinct microbeads thereby providing the output light signals. The output light signals are configured to be projected onto the Fourier plane in a readable manner. The system also includes a reading device that is positioned to detect the output light signals from the Fourier plane. The input light source and the reading device are configured to automatically illuminate the microbeads and detect the output light signals in a predetermined manner. The system also includes a processor configured to perform Fourier plane analysis of the output light signals to determine corresponding codes of the microbeads.
464 Citations
20 Claims
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1. An optical system for reading structurally distinct microbeads, the microbeads being encoded and providing output light signals onto a Fourier plane when illuminated by an incident light, the system comprising:
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an input light source configured to illuminate the structurally distinct microbeads thereby providing the output light signals, the output light signals configured to be projected onto the Fourier plane in a readable manner; a reading device positioned to detect the output light signals from the Fourier plane, wherein the input light source and the reading device are configured to automatically illuminate the microbeads and detect the output light signals in a predetermined manner; a processor configured to perform Fourier plane analysis of the output light signals to determine corresponding codes of the microbeads. and a support substrate configured to receive a plurality of the microbeads that are randomly distributed along the support substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An optical system for reading structurally distinct microbeads, the microbeads being encoded and providing output light signals onto a Fourier plane when illuminated by an incident light, the system comprising:
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an input light source configured to illuminate the structurally distinct microbeads thereby providing the output light signals, the output light signals configured to be projected onto the Fourier plane in a readable manner; a reading device positioned to detect the output light signals from the Fourier plane, wherein the input light source and the reading device are configured to automatically illuminate the microbeads and detect the output light signals in a predetermined manner, and wherein the input light source and the reading device are configured to automatically scan one or more rows of the microbeads; and a processor configured to perform Fourier plane analysis of the output light signals to determine corresponding codes of the microbeads.
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14. An optical system for reading structurally distinct microbeads, the microbeads being encoded and providing output light signals onto a Fourier plane when illuminated by an incident light, the system comprising:
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an input light source configured to illuminate the structurally distinct microbeads thereby providing the output light signals, the output light signals configured to be projected onto the Fourier plane in a readable manner; a reading device positioned to detect the output light signals from the Fourier plane, wherein the input light source and the reading device are configured to automatically illuminate the microbeads and detect the output light signals in a predetermined manner; a processor configured to perform Fourier plane analysis of the output light signals to determine corresponding codes of the microbeads; and a computer system that includes the processor, the computer system configured to correlate the corresponding codes with detected label information that is based on binding affinities of the microbeads.
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15. An optical system for reading structurally distinct microbeads, the microbeads being encoded and providing output light signals onto a Fourier plane when illuminated by an incident light, the system comprising:
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an input light source configured to illuminate the structurally distinct microbeads thereby providing the output light signals, the output light signals configured to be projected onto the Fourier plane in a readable manner; a reading device positioned to detect the output light signals from the Fourier plane, wherein the input light source and the reading device are configured to automatically illuminate the microbeads and detect the output light signals in a predetermined manner; a processor configured to perform Fourier plane analysis of the output light signals to determine corresponding codes of the microbeads; and a computer system that includes the processor, the computer system configured to identify respective binding agents that are immobilized to the microbeads based on the corresponding codes of the microbeads.
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16. An optical system for reading structurally distinct microbeads, the microbeads being encoded and providing output light signals onto a Fourier plane when illuminated by an incident light, the system comprising:
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an input light source configured to illuminate the structurally distinct microbeads thereby providing the output light signals, the output light signals configured to be projected onto the Fourier plane in a readable manner; a reading device positioned to detect the output light signals from the Fourier plane, wherein the input light source and the reading device are configured to automatically illuminate the microbeads and detect the output light signals in a predetermined manner; and a processor configured to perform Fourier plane analysis of the output light signals to determine corresponding codes of the microbeads, wherein the processor is configured to identify chemical probes immobilized to the microbeads based upon the corresponding codes.
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17. An optical system for reading structurally distinct microbeads, the microbeads being encoded and providing output light signals onto a Fourier plane when illuminated by an incident light, the system comprising:
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an input light source configured to illuminate the structurally distinct microbeads thereby providing the output light signals, the output light signals configured to beproiected onto the Fourierplane in a readable manner; a reading device positioned to detect the output light signals from the Fourier plane, wherein the input light source and the reading device are configured to automatically illuminate the microbeads and detect the output light signals in a predetermined manner; a processor configured to perform Fourier plane analysis of the output light signals to determine corresponding codes of the microbeads; and a detector configured to detect luminescence from the microbeads. - View Dependent Claims (18)
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19. An optical system for reading structurally distinct microbeads, the microbeads being encoded and providing output light signals onto a Fourier plane when illuminated by an incident light, the system comprising:
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an input light source configured to illuminate the structurally distinct microbeads thereby providing the output light signals, the output light signals configured to be projected onto the Fourier plane in a readable manner, the microbeads having random locations when illuminated; a reading device positioned to detect the output light signals from the Fourier plane, wherein the input light source and the reading device are configured to automatically illuminate the microbeads and detect the output light signals in a predetermined manner; a processor configured to perform Fourier plane analysis of the output light signals to determine corresponding codes of the microbeads; and a computer system that includes the processor, the computer system configured to identify the locations of the microbeads. - View Dependent Claims (20)
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Specification