METHOD AND/OR SYSTEM FOR MEASURING CONCENTRATION OF DETECTION TARGET USING TRANSMISSION OR REFLECTION OF LIGHT

• US 20100245565A1
• Filed: 03/09/2010
• Published: 09/30/2010
• Est. Priority Date: 03/31/2009
• Status: Active Grant

• Current Assignee: Precision Biosensor Inc.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Cho, Dong-hwi, BAE, Su-bong, Kim, Jong-cheol, Kim, Chung-ung, Lee, Ki-ju, Park, Jong-jin
• Granted Patent: US 8,852,859 B2
• Time in Patent Office: Days
• US Class Current: 348/135
• CPC Class Codes: B01L 3/5027 by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip B01L3/5023 takes precedence; micromixers B01F33/30; microreactors for synthesis B01J19/0093; microcapillary devices in general B81B1/00
• CPC Class Codes: G01N 21/51 inside a container, e.g. in an ampoule G01N21/53 takes precedence
• CPC Class Codes: G01N 21/59 Transmissivity G01N21/25 takes precedence
• CPC Class Codes: G01N 35/00069 whereby the sample substrate is of the bio-disk type, i.e. having the format of an optical disk

Abstract

Provided are a method and/or apparatus for measuring the concentration of a detection target using the transmission or reflection of light. The system includes an illumination unit disposed over a biodisc and configured to apply light to the detection target included in the biodisc and a camera module disposed below the biodisc and configured to measure the amount of light transmitted through the detection target.

Claims

1. A system for measuring the concentration of a detection target using the transmission of light, the system comprising:

an illumination unit disposed over a biodisc and configured to apply light to the detection target included in the biodisc; and

a camera module disposed below the biodisc and configured to measure the amount of light transmitted through the detection target.

2. The system of claim 1, further comprising a printed circuit board (PCB) disposed below the biodisc,

wherein the camera module is disposed on the PCB.

3. The system of claim 1, further comprising a PCB having a hole disposed below the biodisc,

wherein the camera module is disposed below the hole of the PCB.

4. The system of claim 1, further comprising a concentration determining unit configured to determine the concentration of the detection target based on the measured amount of light transmitted through the detection target.

5. The system of claim 1, wherein a plurality of illumination units are arranged a predetermined distance apart from one another in a diametral direction of the biodisc.

6. The system of claim 1, wherein the illumination unit moves in a diametral direction of the biodisc and applies light to the detection target disposed in a predetermined position,

wherein the camera module moves in the diametral direction of the biodisc and measures the concentration of the detection target disposed in the predetermined position.

7. The system of claim 1, wherein the illumination unit and the camera module unit to move separately.

8. The system of claim 1, further comprising:

a first feeding system having a first feeding motor, a first mechanism, a first supporting unit to move the camera module to move in a diametral direction of the biodisc.

9. The system of claim 1, further comprising:

a first feeding system having a first feeding motor, a first mechanism, a first supporting unit to move the illumination unit to move in a diametral direction of the biodisc.

10. The system of claim 5, the camera module moves in the diamentral direction of the biodisc and measures the concentration of the detection target disposed in a predetermined position.

11. A system for measuring the concentration of a detection target using a reflection of light, the system comprising:

an illumination unit disposed below a biodisc and configured to apply light to the detection target included in the biodisc; and

a camera module disposed below the biodisc and configured to measure the amount of light reflected by the detection target.

12. The system of claim 11, further comprising a printed circuit board (PCB) disposed below the biodisc,

wherein each of the camera module and the illumination unit is disposed on the PCB.

13. The system of claim 11, further comprising a PCB disposed below the biodisc and having a hole,

wherein the illumination unit is disposed on the PCB adjacent to the hole, and the camera module is disposed below the hole of the PCB.

14. The system of claim 11, further comprising:

a first PCB disposed below the biodisc; and

a second PCB spaced a predetermined distance apart from the first PCB over the first PCB and supported by a mechanism unit configured to support the illumination unit,

wherein the camera module is disposed on the first PCB, and the illumination unit is disposed on the second PCB.

15. The system of claim 11, further comprising a concentration determining unit configured to determine the concentration of the detection target based on the measured amount of light reflected by the detection target.

16. The system of claim 11, wherein the illumination unit moves in a diametral direction of the biodisc and applies light to the detection target disposed in a predetermined position,

wherein the camera module moves in the diametral direction of the biodisc and measures the concentration of the detection target disposed in the predetermined position.

17. The system of claim 11, wherein the camera module and the illumination unit to move simultaneously.

18. The system of claim 11, further comprising:

a feeding system having a feeding motor, a mechanism, a supporting unit to move the camera module and the illumination unit in a diametral direction of the biodisc.

19. A method of measuring the concentration of a detection target using the transmission or reflection of light, the method comprising:

applying light to the detection target in a biodisc using a predetermined light source;

measuring the amount of light transmitted through or reflected by the detection target in the biodisc; and

determining the concentration of the detection target based on the measured amount of light.