WO2004038350A1 - 光源ユニット、受光ユニット及びこれらを用いたマルチチャンネル光検出装置 - Google Patents
光源ユニット、受光ユニット及びこれらを用いたマルチチャンネル光検出装置 Download PDFInfo
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- WO2004038350A1 WO2004038350A1 PCT/JP2003/013517 JP0313517W WO2004038350A1 WO 2004038350 A1 WO2004038350 A1 WO 2004038350A1 JP 0313517 W JP0313517 W JP 0313517W WO 2004038350 A1 WO2004038350 A1 WO 2004038350A1
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- light
- light receiving
- dichroic mirrors
- emitting elements
- light emitting
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
- G01J3/36—Investigating two or more bands of a spectrum by separate detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
- G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
- G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
- G01J3/513—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters having fixed filter-detector pairs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N2021/6417—Spectrofluorimetric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N2021/6417—Spectrofluorimetric devices
- G01N2021/6419—Excitation at two or more wavelengths
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N2021/6417—Spectrofluorimetric devices
- G01N2021/6421—Measuring at two or more wavelengths
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N2021/6463—Optics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N2021/6482—Sample cells, cuvettes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/0332—Cuvette constructions with temperature control
Definitions
- the present invention relates to a light source unit, a light receiving unit, and a multi-channel light detection device using the same, and for example, relates to a multi-channel light detection device used for genetic diagnosis.
- FIG. 5 is a diagram schematically showing a configuration of a conventional multi-channel photodetector.
- the multi-channel photodetector shown in Fig. 5 controls the temperature of the sample mixed with the fluorescent dye to amplify the gene, then irradiates the sample with light, and receives the excited fluorescence. This is a device that performs analysis.
- the multi-channel photodetector mainly includes a reaction unit 41, a light source unit 42, and a light receiving unit 43. In FIG. 5, components other than these are omitted.
- reaction unit 41 a sample mixed with a reaction reagent or a fluorescent dye Ingredients have been added. Further, the reaction unit 41 is provided with a temperature control system (not shown) for performing the above-described gene amplification method.
- the light source unit 42 includes LEDs 44 a to 44 d which emit light of different wavelengths. For this reason, the light source unit 42 can change the wavelength of emitted light according to the fluorescent dye mixed with the sample.
- the light source unit 42 includes filter sets 47a to 47d that transmit only light of a specific wavelength, and focusing lenses 46a to 46d.
- the light source unit 42 has a dichroic light source so that light emitted from each LED (44a to 44d) passes through the lens 49 and the emission window 50 provided in the housing 45 and enters the reaction unit 41. It also has 48a-48e.
- LEDs 44a to 44d, filter sets 47a to 47d, focusing lenses 46a to 46d, and dichroic mirrors 48a to 48e emit from each LED (44a to 44d). It is arranged in the housing 45 so that the energy of the emitted light becomes constant.
- the light receiving unit 43 is provided with four light receiving elements 51a to 51d because the wavelength of the excited fluorescence varies depending on the type of the fluorescent dye.
- the light receiving unit 43 includes, for each light receiving element (51a to 51d), a set of filters 52a to 52d that transmits only light of a specific wavelength, and lenses 53a to 53d. ing.
- the light receiving unit 43 includes dichroic mirrors 54a to 54e. For this reason, the light emitted from the reaction unit 41 and passing through the entrance window 57 and the lens 56 provided in the housing 55 is transmitted or reflected through some dichroic mirrors according to the wavelength, and Incident on the receiving element (51a to 51d).
- the gene can be detected by selecting a wavelength corresponding to the fluorescent dye to be used.
- the number of diagnostic items further increases due to the development of genetic analysis technology in the future, and as a result, a fluorescent dye mixed with a sample may be added. Furthermore, the development of new fluorescent dyes in the future may increase the number of fluorescent dyes that can be used in genetic diagnosis. In such a case, the multi-channel photodetector is required to be able to irradiate light of a wavelength corresponding to a newly used fluorescent dye.
- the multi-channel photodetector shown in Fig. 5 is also used for fluorescence measurement using fluorescent dyes other than gene detection.In this case, too, light with a wavelength corresponding to the newly used fluorescent dye can be irradiated. Is required.
- the multi-channel photodetector shown in FIG. 5 has the advantage that the energy of light emitted from the light source unit 42 can be kept constant, but the LEDs 44 a to 44 d and the filter set 47 a to 47 d, focusing lenses 46 a to 46 d and dichroic mirrors 48 a to 48 e are arranged in a complicated manner.
- the number of dichroic mirrors necessary for emitting light from the light source unit 42 is structurally larger than the number of wavelengths.
- the number of dichroic mirrors required to guide the light incident on the light receiving unit 43 to each light receiving element is also greater than the number of wavelengths. Therefore, the multi-channel photodetector shown in FIG. 5 has a problem that it is difficult to reduce the cost.
- An object of the present invention is to solve the above problems, to provide a light source unit capable of easily adding or removing a light emitting element, a light receiving unit capable of easily adding or removing a light receiving element, and a multi-channel light detection using these. 0 every time equipment is provided. Disclosure of the invention
- a light source unit is a light source unit that emits a plurality of lights having different wavelengths on the same optical path, and includes a plurality of light emitting elements and a wavelength range of light that can be reflected. Respectively have at least a plurality of dichroic mirrors, the number of the plurality of dichroic mirrors is the same as the number of the plurality of light emitting elements, and the plurality of light emitting elements have an emission direction of each light emitting element.
- the plurality of dichroic mirrors can reflect one of the outgoing lights emitted from the plurality of light-emitting elements, and the dichroic mirrors are opposite to each other. It is characterized in that the light is arranged to pass through the same optical path in the same direction.
- a light receiving unit is a light receiving unit that receives a plurality of incident lights having different wavelengths incident on the same optical path, and is capable of reflecting a plurality of light receiving elements. At least a plurality of dichroic mirrors each having a different wavelength range of light, wherein the number of the plurality of dichroic mirrors is the same as the number of the plurality of light receiving elements.
- the light receiving surfaces of the respective light receiving elements are arranged to be parallel to each other, and the plurality of dichroic mirrors are arranged such that the incident light is According to another feature of the present invention, the light receiving element is arranged so as to be reflected by any one of the dichroic mirrors and enter one of the plurality of light receiving elements in accordance with the wavelength.
- a multi-channel photodetector comprises: a reaction vessel; a light source unit that emits a plurality of lights having different wavelengths through the same optical path to enter the reaction vessel; At least a light receiving unit for receiving light emitted from the inside of the container, wherein the light source unit includes a plurality of light emitting elements and a plurality of emission dichroic mirrors each having a different wavelength range of light that can be reflected.
- the number of the plurality of emission dichroic mirrors is the same as the number of the plurality of light-emitting elements, and the plurality of light-emitting elements are arranged such that the emission directions of the respective light-emitting elements are parallel to each other;
- the plurality of output dichroic mirrors can be configured such that each output dichroic mirror can reflect one of the light emitted from the plurality of light emitting elements.
- the reflected light of the dichroic mirror is arranged so as to pass through the same optical path in the same direction.
- the light receiving unit includes a plurality of light receiving elements and a light receiving element having a different number of wavelength ranges of light that can be reflected.
- At least a dichroic mirror wherein the number of the plurality of light receiving dichroic mirrors is the same as the number of the plurality of light receiving elements, and the light receiving surfaces of the plurality of light receiving elements are parallel to each other.
- the plurality of light receiving dichroic mirrors are arranged such that light emitted from the inside of the reaction vessel is reflected by any one of the light receiving dichroic mirrors according to the wavelength thereof. Are arranged so as to be incident on one of the light receiving elements.
- the wavelengths of the light emitted from the plurality of light emitting elements are different from each other, and the plurality of light emitting elements are arranged in the order of the wavelength of the emitted light.
- the plurality of light emitting elements are arranged in the order of the wavelength of the emitted light.
- a mixture containing at least a sample to be measured and a fluorescent dye can be added to the inside of the reaction vessel.
- the light emitted from the inside of the reaction vessel is the fluorescence of the fluorescent dye excited by the light emitted from the light source unit.
- FIG. 1 is a perspective view schematically showing an external appearance of an example of a light source unit, a light receiving unit, and a multi-channel light detection device according to the present invention.
- FIG. 2 is a perspective view schematically showing an internal configuration of the light source unit, the light receiving unit, and the multi-channel photodetector shown in FIG.
- FIG. 3 is a side view showing the internal configuration of the light source unit shown in FIG.
- FIG. 4 is a side view showing the internal configuration of the light receiving unit shown in FIG.
- FIG. 5 is a diagram schematically showing a configuration of a conventional multi-channel photodetector. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a perspective view schematically showing an appearance of an example of a light source unit, a light receiving unit, and a multi-channel photodetector according to the present invention.
- the multi-channel photodetector has at least a reaction vessel 1, a light source unit 2, and a light receiving unit 3.
- the multi-channel photodetector shown in the example of Fig. 1 is used for genetic diagnosis This device can irradiate a sample to which the gene amplification method has been applied with light, as described later, and can receive fluorescence excited by the irradiated light.
- other components constituting the multi-channel photodetector are omitted.
- the multi-channel photodetector shown in the example of FIG. 1 is also used for fluorescence measurement using a fluorescent dye other than gene diagnosis.
- FIG. 2 is a perspective view schematically showing an internal configuration of the light source unit, the light receiving unit, and the multi-channel optical detection device shown in FIG.
- FIG. 3 is a side view showing the internal configuration of the light source unit shown in FIG.
- FIG. 4 is a side view showing the internal configuration of the light receiving unit shown in FIG.
- the reaction vessel 1 As shown in the example of FIG. 2, the reaction container 1 includes a transparent container 12 and a storage case 11 for storing the transparent container 12.
- the transparent container 12 is formed in a columnar shape, and has a circular cross section.
- a mixture 13 containing a sample, a reagent, a fluorescent dye, and the like to be subjected to genetic diagnosis is added to the transparent container 12.
- the storage case 11 is provided with a heating means such as a heater for performing a gene amplification method represented by, for example, a PCR method. Therefore, when the gene is amplified by the gene amplification method, the light is emitted from the light source unit 2 to the reaction vessel 1 to excite the fluorescent dye, and the light is emitted from the inside of the reaction vessel 1. .
- the light receiving unit 3 receives the emitted light.
- the storage case 11 (reaction vessel 1) has an entrance window 14 for allowing light emitted from the light source unit 2 to enter the interior of the transparent vessel 12, and a transparent window 14.
- An emission window 15 for emitting light emitted from the inside of the container 12 to the outside is provided.
- the positions of the entrance window 14 and the exit window 15 are not particularly limited, and may be any of the upper surface, the lower surface, and the side surface of the storage case 11.
- the entrance window 14 and the exit window 15 face the circular section as shown in FIG. It can be said that it is preferable to provide at the position (side surface). This is because light having a large energy can be guided to the light receiving unit 3 by adopting such an embodiment since light reflection is repeated on the inner surface in a portion having a circular cross-sectional shape.
- the shape of the transparent container 12 is not particularly limited. However, as shown in FIG. 2, if light is incident from the side and light is extracted from the side, the cross-sectional shape is circular as described above. It is preferably a shape having a portion, for example, a columnar shape. Furthermore, in the present invention, the configuration of the reaction vessel 1 is not particularly limited. For example, a mode in which a light-shielding film is provided in a region other than the regions serving as the entrance window 14 and the exit window 15 on the surface of the transparent container 12 may be adopted.
- the light source unit 2 has at least light emitting elements 21 a to 21 d and the same number of dichroic mirrors 22 2 a to 22 d for emission. ing.
- the light emitting elements 21a to 21d have different wavelengths of emitted light, and the emission directions of the light emitting elements are parallel in the order of the wavelength of the emitted light. It is arranged so that it becomes. Specifically, the wavelength of the light emitted from the light emitting elements 21a, 21b, 21c, and 21d increases in this order.
- the output dichroic mirrors 22 a to 22d has the characteristic of reflecting only light of a wavelength equal to or less than a specific wavelength (high pass), and the range of wavelengths of light that can be reflected is different.
- the maximum wavelength of the light that can be reflected increases in the order of the emission dichroic mirrors 22a, 22b, 22c, and 22d.
- the output dichroic mirrors 22a to 22d can reflect one of the light emitted from the plurality of light emitting elements by each of the output dichroic mirrors. They are arranged so as to pass through the same optical path 26 in the same direction.
- the exit dichroic mirrors 22 a to 22 d are arranged in parallel with the light emitting elements 21 a to 2 Id arranged in parallel, with the reflection surfaces parallel to each other.
- 23 a to 23 d are lenses for condensing the light emitted from the light emitting elements 21 a to 21 d.
- Reference numeral 24 denotes a lens for condensing the light reflected by the output dichroic mirrors 22a to 22d.
- Reference numeral 25 denotes a total reflection mirror for guiding the light reflected by the output dichroic mirrors 22 a to 22 d to the output window 15 of the reaction vessel 1.
- the light source unit 2 can emit a plurality of lights having different wavelengths through the same optical path and enter the reaction vessel 1. Further, according to the light source unit 2, the arrangement of the light emitting elements and the dichroic mirror can be simplified as compared with the light source unit used in the conventional multi-channel photodetector. For this reason, as shown in FIG. 3, it is possible to easily add or remove a light emitting element according to the fluorescent dye to be used. Furthermore, since the number of light emitting elements and the number of dichroic mirrors for emission can be made the same, cost can be reduced as compared with the conventional case.
- the light emitting element having a shorter wavelength of emitted light is arranged closer to the reaction vessel 1, and the optical path length of the emitted light is shorter as the light has a shorter wavelength. Therefore, if the light source unit 2 is used, the wavelength Irrespective of the size, the energy of light incident on the reaction vessel 1 is kept substantially constant.
- the number of light emitting elements is not limited to the example shown above.
- the number of light emitting elements may be determined according to the fluorescent dye used in genetic diagnosis. For example, when five types of fluorescent dyes are used in genetic diagnosis and the excitation peak wavelength of each fluorescent dye is different, the number of light emitting elements is five. In addition, even if five types of fluorescent dyes are used in gene diagnosis, they are not used at the same time, and if there is one having the same excitation peak wavelength, the number of light emitting elements may be five or less. Note that the number of dichroic mirrors for emission is the same as the number of light emitting elements.
- the wavelength of the light emitted from the light emitting element is determined according to the excitation peak wavelength of a general fluorescent dye used in fluorescence measurement. Therefore, a light emitting device is selected according to a required wavelength. For example, when the fluorescent dyes described in Table 1 below are used in genetic diagnosis, a light emitting diode semiconductor laser that emits light of the wavelengths shown in Table 2 below as the light emitting elements 21a to 21d Is used.
- the light emitting element is not limited to the above light emitting diode or semiconductor laser.
- the wavelength of light emitted from each light emitting element may be the same.
- the emission dichroic mirrors 22a to 22d shown in FIGS. 2 and 3 have wavelengths in the range shown in Table 3 below.
- a dichroic mirror that reflects the light from the light source is used.
- the light source unit according to the present invention may be configured to include a light quantity monitor for monitoring the light quantity of the emitted light.
- a light quantity monitor for monitoring the light quantity of the emitted light.
- the mounting position of the light quantity monitor is not particularly limited as long as it is in the optical path between the emission dichroic mirror 22 a and the reaction vessel 1.
- the light receiving unit 3 includes at least the light receiving elements 31a to 31d and the same number of light receiving dichroic mirrors 32a to 32d. I have.
- the light receiving elements 31a to 31d are arranged such that the light receiving surfaces of the light receiving elements are parallel.
- the light receiving dichroic mirrors 32a to 32d have a (low-pass) characteristic of reflecting only light of a specific wavelength or more. The range of possible light wavelengths is different.
- the minimum wavelength of light that can be reflected decreases in the order of the light receiving dichroic mirrors 32a, 32b, 32c, and 32d.
- the light receiving dichroic mirrors 32a to 32d receive light emitted from the inside of the reaction vessel 1 by being reflected by any one of the light receiving dichroic mirrors according to the wavelength. It is arranged so as to be incident on one of the elements 31a to 31d. In the examples of FIGS. 2 and 4, the light receiving dichroic mirrors 32a to 32d are arranged along the light receiving elements 31a to 31d arranged in parallel with the reflecting surfaces parallel to each other. Have been
- reference numerals 33a to 33d denote lenses for condensing the light reflected by the light receiving dichroic mirrors 32a to 32d.
- Reference numeral 34 denotes a lens for condensing light emitted from the inside of the reaction vessel 1 through the emission window 15.
- Reference numeral 35 denotes a total reflection mirror for guiding the light emitted from the inside of the reaction vessel to the light receiving unit.
- the light receiving unit 3 according to the present invention can receive a plurality of incident lights having different wavelengths incident on the same optical path. Further, according to the light receiving unit 3 according to the present invention, the arrangement of the light receiving element and the dichroic mirror can be simplified as compared with the light receiving unit used in the conventional multi-channel photodetector. For this reason, as shown in FIG. 4, it is possible to easily add or remove the light receiving element according to the fluorescent dye to be used. Furthermore, since the number of light receiving elements and the number of light receiving dichroic mirrors can be made the same, cost can be reduced as compared with the conventional case.
- the minimum wavelength of light that can be reflected is large.
- the dichroic mirror for light reception is arranged closer to the reaction vessel 1, and the optical path length of the incident light is longer for light having a shorter wavelength.
- the number of light receiving elements and the number of light receiving dichroic mirrors are not limited to the examples described above.
- the number of light receiving elements and the number of light receiving dichroic mirrors may be determined according to a general fluorescent dye used in fluorescence measurement, similarly to the number of light emitting elements.
- the range of the wavelength of the light that can be reflected by the light receiving dichroic mirror is set according to the fluorescent pigment used in the genetic diagnosis.
- the fluorescent dyes described in Table 1 above are used in gene diagnosis
- the light receiving dichroic mirrors 32a to 32d shown in FIGS. 2 and 4 have wavelengths in the range shown in Table 4 below.
- a dichroic mirror that reflects the light of the above is used.
- the light receiving unit according to the present invention may have a light amount monitor for monitoring the light amount of incident light, similarly to the light source unit.
- a light amount monitor for monitoring the light amount of incident light
- an abnormality in the reaction vessel for example, contamination of the inside of the reaction vessel, etc.
- the mounting position of the light amount monitor 1 may be in the optical path between the light receiving dichroic mirror 32a and the reaction vessel 1, and is not particularly limited.
- the internal structure of the light source unit and the light-receiving unit can be made simpler while ensuring the same performance as that of the conventional multichannel photodetector. And can be. Therefore, it is possible to easily cope with a case where the number of fluorescent dyes used increases.
- the present invention is not limited to this example. is not.
- the light source unit, the light receiving unit, and the multi-channel photodetector according to the present invention can be applied to immunoassay and conventional absorbance measurement. Industrial applicability
- the light source unit according to the present invention it is possible to easily add or remove a light emitting element, and according to the light receiving unit according to the present invention, it is possible to easily add or remove a light receiving element.
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
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Abstract
Description
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004546453A JP4665097B2 (ja) | 2002-10-25 | 2003-10-23 | 光源ユニット、受光ユニット及びこれらを用いたマルチチャンネル光検出装置 |
| AU2003277517A AU2003277517A1 (en) | 2002-10-25 | 2003-10-23 | Light source unit, light-receiving unit, and multichannel optical sensing apparatus using those |
| EP03809453A EP1560007A4 (en) | 2002-10-25 | 2003-10-23 | LIGHT SOURCE UNIT, LIGHT UNIT UNIT AND MULTI-CHANNEL OPTICAL MEASURING DEVICE THEREWITH |
| US10/532,795 US7304723B2 (en) | 2002-10-25 | 2003-10-23 | Light source unit, photoreceptive unit and multichannel photodetector using the same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002/311726 | 2002-10-25 | ||
| JP2002311726 | 2002-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004038350A1 true WO2004038350A1 (ja) | 2004-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/013517 Ceased WO2004038350A1 (ja) | 2002-10-25 | 2003-10-23 | 光源ユニット、受光ユニット及びこれらを用いたマルチチャンネル光検出装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7304723B2 (ja) |
| EP (1) | EP1560007A4 (ja) |
| JP (1) | JP4665097B2 (ja) |
| CN (1) | CN100472192C (ja) |
| AU (1) | AU2003277517A1 (ja) |
| WO (1) | WO2004038350A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1688734A1 (en) * | 2005-02-03 | 2006-08-09 | Samsung Electronics Co.,Ltd. | Multi-channel fluorescence measuring optical system and multi-channel fluorescence sample analyzer |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004529110A (ja) | 2001-03-06 | 2004-09-24 | アストラゼネカ アクチボラグ | 脈管損傷活性を有するインドール誘導体 |
| US8551408B2 (en) | 2006-01-24 | 2013-10-08 | Life Technologies Corporation | Device and methods for quantifying analytes |
| LT2344852T (lt) * | 2008-10-09 | 2023-08-10 | LGC Genomics, LLC | Skenerio fotometrinė galvutė ir su ja susijęs būdas |
| US8759795B2 (en) | 2011-04-07 | 2014-06-24 | Douglas Scientific, Llc. | Scanner photometer and methods |
| US9921101B2 (en) | 2008-10-09 | 2018-03-20 | Douglas Scientific, LLC | Scanner photometer and methods |
| CN104614356A (zh) * | 2015-02-10 | 2015-05-13 | 优品保技术(北京)有限公司 | 发光物质检测装置、物品鉴别系统 |
| CN106053404A (zh) * | 2016-05-09 | 2016-10-26 | 崔京南 | 一种便携式多波段荧光检测微量物质分析仪 |
| DE102016110743B4 (de) * | 2016-06-10 | 2018-07-05 | Airbus Ds Optronics Gmbh | Optronische Sensorvorrichtung und lagestabilisierte Plattform |
| JP7173978B2 (ja) * | 2017-02-27 | 2022-11-17 | ベクトン・ディキンソン・アンド・カンパニー | 光検出システム及びその使用方法 |
| US11644680B2 (en) * | 2018-10-12 | 2023-05-09 | Hitachi High-Tech Corporation | Dichroic mirror array and light detecting device |
| CN118056121A (zh) | 2021-08-04 | 2024-05-17 | 贝克顿·迪金森公司 | 具有第一光接收器和第二光接收器的光检测系统及其使用方法 |
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| JPS62245942A (ja) * | 1986-04-18 | 1987-10-27 | Canon Inc | 粒子解析装置 |
| JPH0593724A (ja) * | 1979-07-13 | 1993-04-16 | Ortho Diagnostic Syst Inc | 特異性化血液細胞の亜綱の自動化された同定および計数装置 |
| JPH11101691A (ja) * | 1997-09-29 | 1999-04-13 | Canon Inc | 着色部材の検査装置及びそれの製造方法 |
| WO1999060380A1 (en) | 1998-05-19 | 1999-11-25 | Cepheid | Multi-channel optical detection system |
| JP2001117013A (ja) * | 1999-10-20 | 2001-04-27 | Olympus Optical Co Ltd | 共焦点レーザ顕微鏡 |
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| JPS63144661A (ja) * | 1986-12-06 | 1988-06-16 | Dainippon Printing Co Ltd | レ−ザ−顕微鏡拡大像記録装置 |
| US5535052A (en) * | 1992-07-24 | 1996-07-09 | Carl-Zeiss-Stiftung | Laser microscope |
| US6399397B1 (en) * | 1992-09-14 | 2002-06-04 | Sri International | Up-converting reporters for biological and other assays using laser excitation techniques |
| JPH09321335A (ja) * | 1996-03-25 | 1997-12-12 | Omron Corp | 投光装置とそれを用いた光学装置 |
| US6577453B2 (en) * | 2000-04-26 | 2003-06-10 | Fuji Photo Film Co., Ltd. | Image reading apparatus |
| US6683314B2 (en) * | 2001-08-28 | 2004-01-27 | Becton, Dickinson And Company | Fluorescence detection instrument with reflective transfer legs for color decimation |
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2003
- 2003-10-23 EP EP03809453A patent/EP1560007A4/en not_active Withdrawn
- 2003-10-23 US US10/532,795 patent/US7304723B2/en not_active Expired - Fee Related
- 2003-10-23 CN CNB2003801020178A patent/CN100472192C/zh not_active Expired - Fee Related
- 2003-10-23 AU AU2003277517A patent/AU2003277517A1/en not_active Abandoned
- 2003-10-23 JP JP2004546453A patent/JP4665097B2/ja not_active Expired - Fee Related
- 2003-10-23 WO PCT/JP2003/013517 patent/WO2004038350A1/ja not_active Ceased
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| JPS62245942A (ja) * | 1986-04-18 | 1987-10-27 | Canon Inc | 粒子解析装置 |
| JPH11101691A (ja) * | 1997-09-29 | 1999-04-13 | Canon Inc | 着色部材の検査装置及びそれの製造方法 |
| WO1999060380A1 (en) | 1998-05-19 | 1999-11-25 | Cepheid | Multi-channel optical detection system |
| JP2002515602A (ja) | 1998-05-19 | 2002-05-28 | シーフィード | マルチチャンネル光検出装置 |
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| See also references of EP1560007A4 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1688734A1 (en) * | 2005-02-03 | 2006-08-09 | Samsung Electronics Co.,Ltd. | Multi-channel fluorescence measuring optical system and multi-channel fluorescence sample analyzer |
| EP1830174A3 (en) * | 2005-02-03 | 2007-09-12 | Samsung Electronics Co., Ltd | Multi-channel fluorescence measuring optical system and multi-channel fluorescence sample analyzer |
| US7928408B2 (en) | 2005-02-03 | 2011-04-19 | Samsung Electronics Co., Ltd. | Multi-channel fluorescence measuring optical system and multi-channel fluorescence sample analyzer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1708676A (zh) | 2005-12-14 |
| US20060102828A1 (en) | 2006-05-18 |
| JP4665097B2 (ja) | 2011-04-06 |
| JPWO2004038350A1 (ja) | 2006-02-23 |
| US7304723B2 (en) | 2007-12-04 |
| CN100472192C (zh) | 2009-03-25 |
| EP1560007A4 (en) | 2008-07-23 |
| AU2003277517A1 (en) | 2004-05-13 |
| EP1560007A1 (en) | 2005-08-03 |
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