DETECTING DEVICE, OPTICAL DETECTING APPARATUS, AND OPTICAL DETECTING METHOD
20180209897 ยท 2018-07-26
Inventors
Cpc classification
G01N21/15
PHYSICS
International classification
Abstract
In optical detection, a technology of efficiently removing dust, dirt and the like adhering to an optical system member is provided. Provided is a detecting device used for an optical detecting apparatus including a main body provided with a sample holding unit which holds a sample, and a light transmitting portion facing at least a part of the sample holding unit and located on an optical path in the optical detecting apparatus at the time of installation on the optical detecting apparatus, and a cleaning unit arranged at a position opposed to a member on the optical path in the optical detecting apparatus.
Claims
1. A detecting device used for an optical detecting apparatus, comprising: a main body provided with a sample holding unit which holds a sample, and a light transmitting portion facing at least a part of the sample holding unit and located on an optical path in the optical detecting apparatus at the time of installation on the optical detecting apparatus; and a cleaning unit arranged at a position opposed to a member on the optical path in the optical detecting apparatus.
2. The detecting device according to claim 1, wherein light transmitting portions are arranged on both sides of the sample holding unit so as to interpose the sample holding unit therebetween.
3. The detecting device according to claim 1, wherein cleaning units are arranged on both sides of the main body so as to interpose the main body therebetween.
4. The detecting device according to claim 1, further comprising: a light reflecting portion on a side opposite to the sample holding unit which the light transmitting portion faces.
5. An optical detecting apparatus using a detecting device provided with a sample holding unit which holds a sample, and a light transmitting portion facing at least a part of the sample holding unit and located on an optical path in the optical detecting apparatus at the time of installation on the optical detecting apparatus, the optical detecting apparatus comprising: a first cleaning unit arranged at a position opposed to the light transmitting portion.
6. The optical detecting apparatus according to claim 5, further comprising: a blower unit which blows air to the light transmitting portion.
7. The optical detecting apparatus according to claim 5, further comprising: a second cleaning unit which passes through a position opposed to a member on the optical path in the optical detecting apparatus by movement.
8. An optical detecting method using a detecting device provided with a sample holding unit which holds a sample, and a light transmitting portion facing at least a part of the sample holding unit and located on an optical path in an optical detecting apparatus at the time of installation on the optical detecting apparatus, the optical detecting method comprising: performing a cleaning step of cleaning a member on an optical path in the detecting device and/or a member on the optical path in the optical detecting apparatus.
9. The optical detecting method according to claim 8, wherein the member on the optical path in the optical detecting apparatus is cleaned by a cleaning unit provided in the detecting device at the cleaning step.
10. The optical detecting method according to claim 8, wherein the light transmitting portion of the detecting device is cleaned by a cleaning unit provided in the optical detecting apparatus at the cleaning step.
Description
BRIEF DESCRIPTION OF DRAWINGS
[0019]
[0020]
[0021]
[0022]
[0023]
[0024]
[0025]
[0026]
[0027]
[0028]
[0029]
[0030]
[0031]
[0032]
MODE FOR CARRYING OUT THE INVENTION
[0033] Hereinafter, a preferred mode for carrying out the present technology is described with reference to the drawings. An embodiment hereinafter described illustrates an example of a representative embodiment of the present technology, and the scope of the present technology is not narrowed by the same. Meanwhile, the description is given in the following order.
[0034] 1. Detecting Device 1 [0035] (1) Overall Structure [0036] (2) Sample Holding Unit 11 [0037] (3) Light Transmitting Portion 12 [0038] (4) Cleaning Unit 13 [0039] (5) Light Reflecting Portion 14
[0040] 2. Optical Detecting Apparatus 10 [0041] (1) Device Installation Portion 101 [0042] (2) First Cleaning Unit 102 [0043] (3) Blower Unit [0044] (4) Second Cleaning Unit 104 [0045] (5) Light Irradiation Unit 105 [0046] (6) Optical Control Mechanism 106 [0047] (7) Optical Detection Unit 107 [0048] (8) Analysis Unit [0049] (9) Display Unit [0050] (10) User Interface
[0051] 3. Detecting Kit K [0052] (1) Sample Introducing Member K1
[0053] 4. Optical Detecting Method [0054] (1) Cleaning Step (I) [0055] (2) Light Irradiating Step (II) [0056] (3) Optical Detecting Step (III) [0057] (4) Analyzing Step (IV)
[0058] <1. Detecting Device 1>
[0059] (1) Overall Structure
[0060]
[0061] As long as the detecting device 1 according to the present technology is provided with the above-described units, a method of forming the same is not especially limited, but it is also possible to form the same by bonding a plurality of substrates, for example. Materials forming the substrates are not especially limited, and a material which may be used for a light detecting device and the like such as a bioassay device may be freely selected and used in general. For example, it is possible to use a substrate of light-transmissive plastic resin such as polycarbonate, polyolefin series, and acrylic series, silicon resin such as polydimethylsiloxane (PDMS), glass and the like.
[0062] Hereinafter, each part of the detecting device 1 according to the present technology is described in detail.
[0063] (2) Sample Holding Unit 11
[0064] The sample holding unit 11 is a part which accommodates a sample being a subject.
[0065] In the detecting device 1 according to the present technology, the number of the sample holding units 11 is not especially limited as long as this is at least one or larger, and this may be freely designed according to a type of the sample, a detecting apparatus to be used and the like. For example, as illustrated in a second embodiment of
[0066] In the present technology, the sample is not especially limited, but examples thereof include a biological sample and the like, for example. Examples of the biological sample include body fluid (such as blood, serum, plasma, and urine) or diluted solution thereof, and/or a drug additive and the like, for example.
[0067] In the detecting device 1 according to the present technology, a width, a depth, a cross-sectional shape and the like of the sample holding unit 11 are not especially limited, and may be freely designed as long as an effect of the present technology is not deteriorated. For example, the cross-sectional shape may be freely designed to be a circle, a polygon (a triangle, a quadrangle, or a polygon having more angles), an ellipse, or a combination of one or two or more of them and the like.
[0068] Also, a shape in a depth direction is not especially limited, and may be freely designed to be a bowl shape, a cylindrical shape, a polygonal cylindrical shape having a polygonal (triangular, quadrangular, or with more angles) cross-section, a conical shape, a polygonal cone shape having a polygonal (triangular, quadrangular, or with more angles) cross-section, or a combination of one or two or more of them and the like, for example.
[0069] In the present technology, optical detection is performed in a state in which the sample is accommodated in the sample holding unit 11. The sample holding unit 11 may also be used as a stand-by place where the sample stands by for a certain period of time, or a reaction place where nucleic acid amplification, hybridization, and inter-substance interaction of nucleic acid, protein, cell and the like progress.
[0070] A specific method of introducing the sample into the sample holding unit 11 is not especially limited, and it is possible to introduce the same by a free method. For example, there is a method of directly spotting the sample on the sample holding unit 11, a method of spotting/injecting the sample on/to the sample holding unit 11 using an instrument such as a capillary (capillary tube) and a pipette.
[0071] (3) Light Transmitting Portion 12
[0072] The light transmitting portion 12 faces at least a part of the sample holding unit 11. Also, when the detecting device 1 according to the present technology is installed on an optical detecting apparatus 10 to be described later, the light transmitting portion 12 is located on an optical path L in the optical detecting apparatus (refer to
[0073] In the present technology, the sample accommodated in the sample holding unit 11 is irradiated with light through the light transmitting portion 12, and the optical detection is performed from light emitted from the sample accommodated in the sample holding unit 11 through the light transmitting portion 12.
[0074] As long as the light transmitting portion 12 is provided so as to face at least a part of the sample holding unit 11 and so as to be located on the optical path L in the optical detecting apparatus 10 at the time of installation on the optical detecting apparatus 10, arrangement thereof other than this is not especially limited. Depending on a structure of the optical detecting apparatus 10 to be used, the arrangement of the light transmitting portion 12 may be freely designed. For example, as in the second embodiment illustrated in
[0075] (4) Cleaning Unit 13
[0076] The cleaning unit 13 is arranged at a position opposed to a member on the optical path in the optical detecting apparatus 10, thereby cleaning an optical system member of the optical detecting apparatus 10. Hereinafter, a specific example of cleaning the optical system member of the optical detecting apparatus 10 using the cleaning unit 13 is described.
[0077]
[0078] That is, in the detecting device 1 according to the first embodiment, the cleaning unit 13 is arranged at the position opposed to the member on the optical path in the optical detecting apparatus 10 in the process of installing the detecting device 1 on the optical detecting apparatus 10.
[0079]
[0080] For example, in the process of installing the detecting device 1 on the optical detecting apparatus 10, the cleaning unit 13 is brought into contact with the optical system member such the light irradiation unit 105, the optical detection unit 107, and the mirror 106a, for example, of the optical detecting apparatus 10, thereby removing dust and dirt adhering to the surface of the optical system member.
[0081] That is, in the detecting devices 1 according to the second and third embodiments also, the cleaning unit 13 is arranged at the position opposed to the member on the optical path in the optical detecting apparatus 10 in the process of installing the detecting device 1 on the optical detecting apparatus 10.
[0082]
[0083] That is, in the detecting device 1 according to the fourth embodiment, the cleaning unit 13 is arranged at the position opposed to the member on the optical path in the optical detecting apparatus 10 in the process of scanning the detecting device 1 after the detecting device 1 is installed on the optical detecting apparatus 10.
[0084]
[0085] That is, in the detecting device 1 according to the fifth embodiment, the cleaning unit 13 is arranged at the position opposed to the member on the optical path in the optical detecting apparatus 10 in the process of scanning by the optical system member in the optical detecting apparatus 10 after the detecting device 1 is installed on the optical detecting apparatus 10.
[0086] (5) Light Reflecting Portion 14
[0087] The detecting device 1 according to the present technology may be provided with the light reflecting portion 14. Although the light reflecting portion 14 is not indispensable in the present technology, by providing the light reflecting portion 14 on a side opposite to the sample holding unit 11 which the light transmitting portion 12 faces as in the first embodiment illustrated in
[0088] <2. Optical Detecting Apparatus 10>
[0089]
[0090] Meanwhile, the detecting device 1 according to the present technology described above or a general commercially-available detecting device may be used as the optical detecting apparatus 10 according to the present technology.
[0091] Hereinafter, each part of the detecting device 1 according to the present technology is described in detail.
[0092] (1) Device Installation Portion 101
[0093] The device installation portion 101 is a part where the detecting device 1 is installed. In the present technology, the device installation portion 101 may be freely designed according to a mode and the like of the detecting device 1.
[0094] The device installation portion 101 may be further provided with a temperature adjusting mechanism. In the present technology, the temperature adjusting mechanism is a mechanism which keeps temperature of the sample held in the sample holding unit 11 constant. By including the temperature adjusting mechanism, the temperature of the sample becomes constant, and a measurement error and the like caused by temperature change of the sample may be decreased. A specific configuration of the temperature adjusting mechanism is not especially limited; for example, the device installation portion 101 is formed by including a material which may keep heat.
[0095] (2) First Cleaning Unit 102
[0096] The first cleaning unit 102 is arranged at a position opposed to the light transmitting portion 12 of the detecting device 1 to clean dust and dirt adhering to the surface of the light transmitting portion 12. Hereinafter, a specific example of cleaning the light transmitting portion 12 using the first cleaning unit 102 is described.
[0097]
[0098] That is, in the optical detecting apparatus 10 according to the first embodiment, the first cleaning unit 102 is arranged at the position opposed to the light transmitting portion 12 of the detecting device 1 in the process of installing the detecting device 1 on the optical detecting apparatus 10.
[0099]
[0100] For example, in the process of installing the detecting device 1 on the optical detecting apparatus 10, the first cleaning unit 102 is brought into contact with the light transmitting portion 12 of the detecting device 1, thereby removing dust and dirt adhering to the surface of the light transmitting portion 12.
[0101] That is, in the optical detecting apparatuses 10 according to the second and third embodiments, the first cleaning unit 102 is arranged at the position opposed to the light transmitting portion 12 of the detecting device 1 in the process of installing the detecting device 1 on the optical detecting apparatus 10.
[0102]
[0103] That is, in the detecting devices 1 according to the fourth embodiment, the first cleaning unit 102 is arranged at the position opposed to the light transmitting portion 12 of the detecting device 1 in the process of scanning the detecting device 1 after installing the detecting device 1 on the optical detecting apparatus 10.
[0104]
[0105] That is, in the detecting devices 1 according to the fourth embodiment, the first cleaning unit 102 is arranged at the position opposed to the light transmitting portion 12 of the detecting device 1 in the process of scanning the first cleaning unit 102 after installing the detecting device 1 on the optical detecting apparatus 10.
[0106] (3) Blower Unit
[0107] The optical detecting apparatus 10 according to the present technology may also be provided with a blower unit which blows air to the light transmitting portion 12 of the detecting device 1. For example, a fan and the like for radiating heat may be used as the blower unit. Although this blower unit is not indispensable in the optical detecting apparatus 10 according to the present technology, by including the blower unit, it is possible to more certainly remove dust and dirt adhering to the light transmitting portion 12 of the detecting device 1 by blowing away dust and dirt that cannot be cleaned by the first cleaning unit 102, or by cleaning by the first cleaning unit 102 after blowing away large dust by the blower unit in advance.
[0108] Also, the blower unit may also be used for the purpose of blowing away dust and dirt adhering to the first cleaning unit 102 by cleaning. By using the same in this manner, it is also possible to prolong a life of the first cleaning unit 102.
[0109] (4) Second Cleaning Unit 104
[0110]
[0111]
[0112] That is, in the optical detecting apparatus 10 according to the sixth embodiment, the second cleaning unit 104 is arranged at the position opposed to the member on the optical path in the optical detecting apparatus 10 by the movement in the process of installing the detecting device 1 on the optical detecting apparatus 10.
[0113] (5) Light Irradiation Unit 105
[0114] The light irradiation unit 105 is a part which irradiates the sample held by the sample holding unit 11 of the detecting device 1 with light. A light irradiating method which may be used for the light irradiation unit 105 is not especially limited, and a known light irradiating method may be freely selected and used. For example, one or two or more light irradiating methods using a light emitting diode (LED), a semiconductor laser, EL illumination and the like may be freely selected and used.
[0115] Also, a specific method of arranging the light irradiation unit 105 is not especially limited as long as the irradiation of the sample with light is possible, and this may be arranged freely. For example, the light irradiation may be performed from above, below and the like of the detecting device 1.
[0116] Also, the light irradiation unit 105 may be freely set according to a function of the optical control mechanism 106 to be described later. For example, in a case where a dichroic mirror and the like is used as the optical control mechanism 106, it is also possible to perform the light irradiation from the side of the detecting device 1.
[0117] Furthermore, in a case where there are two or more sample holding units 11 in the detecting device 1, the light irradiation unit 105 may be provided for each sample holding unit 11, but in a case where a light dividing element, a light guide plate and the like is used as the optical control mechanism 106 to be described later, it is also possible to design such that one light irradiation unit 105 irradiates a plurality of sample holding units 11 with light.
[0118] (6) Optical Control Mechanism 106
[0119] The optical control mechanism 106 is a mechanism which controls the optical path of the light (for example, excitation light and the like) emitted from the light irradiation unit 105 described above and the light (for example, scattered light and the like) emitted from the sample.
[0120] As the optical control mechanism 106, one or two or more control mechanisms used in a known optical analyzing device may be freely combined to be used. For example, a lens such as a collimator lens and a condenser lens, a mirror such as a dichroic mirror, an optical filter, an aperture and the like, a light dividing element, a light guide plate, a partition wall and the like may be used as necessary.
[0121] (7) Optical Detection Unit 107
[0122] In the optical detection unit 107, the light (for example, scattered light and the like) emitted from the sample by the light irradiation is detected.
[0123] A light detecting method which may be used for the optical detection unit 107 is not especially limited, and any known light detecting method may be freely selected and used. For example, a method using an area image sensor such as a photo diode (PD), a charge coupled device (CCD), and a complementary metal oxide semiconductor (CMOS), a method using a so-called multichannel photodetector in which a plurality of photodetectors is arranged in an array pattern and the like may be adopted.
[0124] Also, a specific method of arranging the optical detection unit 107 is not especially limited as long as the light detection from the sample is possible, and it is possible to freely arrange. For example, the light detection may be performed from above, below and the like of the detecting device 1.
[0125] Also, the optical detection unit 107 may be freely designed according to the function of the optical control mechanism 106 described above. For example, in a case where the dichroic mirror and the like is used as the optical control mechanism 106, it is also possible to perform the light detection from the side of the detecting device 1.
[0126] Furthermore, in a case where there are two or more sample holding units 11 in the detecting device 1, the optical detection unit 107 may be provided for each sample holding unit 11, but it is also possible to design such that the light detection is performed from a plurality of sample holding units 11 by allowing one optical detection unit 107 to scan.
[0127] (8) Analysis Unit
[0128] The optical detecting apparatus 10 according to the present technology may further be provided with an analysis unit. On the basis of optical information of the sample detected by the optical detection unit 107, the analysis unit analyzes/determines a physical property of the sample, notifies of a determination result and the like. The analysis unit is not indispensable in the optical detecting apparatus 10 according to the present technology, and it is also possible to analyze using an external analyzing device and the like, for example.
[0129] (9) Display Unit
[0130] The optical detecting apparatus 10 according to the present technology may further be provided with a display unit. The display unit may display the optical information of the sample detected by the optical detection unit 107, an analysis result analyzed by the analysis unit and the like. The display unit is not indispensable in the optical detecting apparatus 10 according to the present technology, and it is also possible to analyze using an external display device and the like, for example.
[0131] (10) User Interface
[0132] The optical detecting apparatus 10 according to the present technology may further be provided with a user interface. The user interface is apart for a user (for example, an operator and the like) to operate. The user may access each part of the optical detecting apparatus 10 according to the present technology through the user interface.
[0133] As the user interface, for example, a mouse, a keyboard and the like may be used. The user interface is not indispensable in the optical detecting apparatus 10 according to the present technology, and it is also possible to operate by using an external operation device and the like, for example.
[0134] <3. Detecting Kit K>
[0135]
[0136] Meanwhile, although the detecting device 1 of the first embodiment described above (refer to
[0137] The detecting kit K according to the present technology is roughly provided with at least the above-described detecting device 1 and a sample introducing member K1. Meanwhile, since the detecting device 1 is similar to that described above, the description thereof is herein omitted.
[0138] (1) Sample Introducing Member 7
[0139] A sample introducing member 7 is a member for introducing the sample into the sample holding unit 11. Although a mode of the sample introducing member 7 is not especially limited, for example, examples thereof include a capillary (capillary tube) 71 and the like as illustrated in the first embodiment of
[0140] Also, the sample introducing member 7 may be made disposable as the detecting device 1. By making the sample introducing member 7 disposable, it is possible to save time and labor of cleaning and the like of instruments used for sample introduction, so that convenience of the operator may be improved, and efficiency in detection, analysis and the like may be realized. Also, a risk of reusing the sample introducing member 7 may be decreased.
[0141] <4. Optical Detecting Method>
[0142] An optical detecting method according to the present technology is a method using the detecting device 1 according to the present technology and/or the optical detecting apparatus 10 according to the present technology described above, the method at least performing a cleaning step (I). A light irradiating step (II), an optical detecting step (III), an analyzing step (IV) and the like may also be performed as required.
[0143] (1) Cleaning Step (I)
[0144] The cleaning step (I) is a step of cleaning the member on the optical path in the detecting device 1 and/or the member on the optical path in the optical detecting apparatus 10. At the cleaning step (I), the member on the optical path in the optical detecting apparatus 10 may be cleaned by the cleaning unit 13 provided on the detecting device 1. At the cleaning step (I), it is also possible to clean the light transmitting portion 12 of the detecting device 1 by the cleaning unit (first cleaning unit 102) provided on the optical detecting apparatus 10. Furthermore, at the cleaning step (I), it is also possible to clean the member on the optical path in the optical detecting apparatus 10 by the cleaning unit (second cleaning unit 104) provided on the optical detecting apparatus 10.
[0145] Meanwhile, a specific cleaning method is the same as that of the cleaning unit 13 of the detecting device 1 according to the above-described technology and that of the first cleaning unit 102 and the second cleaning unit 104 of the optical detecting apparatus 10 according to the above-described present technology, so that the description thereof is herein omitted.
[0146] (2) Light Irradiating Step (II)
[0147] The light irradiating step (II) is a step of irradiating the sample held by the sample holding unit 11 of the detecting device 1 with light. A specific method of the light irradiation performed at the light irradiating step (II) is the same as the light irradiating method by the light irradiation unit 105 of the optical detecting apparatus 10 according to the present technology described above, so that the description thereof is herein omitted.
[0148] (3) Optical Detecting Step (III)
[0149] The optical detecting step (III) is a step of detecting the light (for example, scattered light and the like) emitted from the sample by the light irradiation. Since a specific method of the optical detection performed at the optical detecting step (III) is the same as the optical detecting method by the optical detection unit 107 of the optical detecting apparatus 10 according to the present technology described above, so that the description thereof is herein omitted.
[0150] (4) Analyzing Step (IV)
[0151] The analyzing step (IV) is a step of analyzing/determining the physical property of the sample, notifying the determination result and the like on the basis of the optical information of the sample detected at the optical detecting step (III). Since a specific analyzing method performed at the analyzing step (IV) is the same as the analyzing method by the analysis unit of the optical detecting apparatus 10 according to the present technology described above, the description thereof is herein omitted.
[0152] Meanwhile, the present technology may also have a following configuration.
[0153] (1)
[0154] A detecting device used for an optical detecting apparatus, including:
[0155] a main body provided with a sample holding unit which holds a sample, and a light transmitting portion facing at least a part of the sample holding unit and located on an optical path in the optical detecting apparatus at the time of installation on the optical detecting apparatus; and
[0156] a cleaning unit arranged at a position opposed to a member on the optical path in the optical detecting apparatus.
[0157] (2)
[0158] The detecting device according to (1),
[0159] in which light transmitting portions are arranged on both sides of the sample holding unit so as to interpose the sample holding unit therebetween.
[0160] (3)
[0161] The detecting device according to (1) or (2),
[0162] in which cleaning units are arranged on both sides of the main body so as to interpose the main body therebetween.
[0163] (4)
[0164] The detecting device according to any one of (1) to (3), further including:
[0165] a light reflecting portion on a side opposite to the sample holding unit which the light transmitting portion faces.
[0166] (5)
[0167] An optical detecting apparatus using a detecting device provided with a sample holding unit which holds a sample, and a light transmitting portion facing at least a part of the sample holding unit and located on an optical path in the optical detecting apparatus at the time of installation on the optical detecting apparatus,
[0168] the optical detecting apparatus including:
[0169] a first cleaning unit arranged at a position opposed to the light transmitting portion.
[0170] (6)
[0171] The optical detecting apparatus according to (5), further including:
[0172] a blower unit which blows air to the light transmitting portion.
[0173] (7)
[0174] The optical detecting apparatus according to (5) or (6), further including:
[0175] a second cleaning unit which passes through a position opposed to a member on the optical path in the optical detecting apparatus by movement.
[0176] (8)
[0177] An optical detecting method using a detecting device provided with a sample holding unit which holds a sample, and a light transmitting portion facing at least a part of the sample holding unit and located on an optical path in an optical detecting apparatus at the time of installation on the optical detecting apparatus,
[0178] the optical detecting method including:
[0179] performing a cleaning step of cleaning a member on an optical path in the detecting device and/or a member on the optical path in the optical detecting apparatus.
[0180] (9)
[0181] The optical detecting method according to (8), in which the member on the optical path in the optical detecting apparatus is cleaned by a cleaning unit provided in the detecting device at the cleaning step.
[0182] (10)
[0183] The optical detecting method according to (8) or (9),
[0184] in which the light transmitting portion of the detecting device is cleaned by a cleaning unit provided in the optical detecting apparatus at the cleaning step.
REFERENCE SIGNS LIST
[0185] 1 Detecting device [0186] 11 Sample holding unit [0187] 12 Light transmitting portion [0188] 13 Cleaning unit [0189] 14 Light reflecting portion [0190] 10 Optical detecting apparatus [0191] 101 Device installation portion [0192] 102 First cleaning unit [0193] 104 Second cleaning unit [0194] 105 Light irradiation portion [0195] 106 Optical control mechanism [0196] 107 Optical detection unit [0197] K Detecting kit [0198] 7 Sample introducing member