JP3469609B2 - Densitometer - Google Patents

Densitometer

Info

Publication number
JP3469609B2
JP3469609B2 JP15200593A JP15200593A JP3469609B2 JP 3469609 B2 JP3469609 B2 JP 3469609B2 JP 15200593 A JP15200593 A JP 15200593A JP 15200593 A JP15200593 A JP 15200593A JP 3469609 B2 JP3469609 B2 JP 3469609B2
Authority
JP
Japan
Prior art keywords
support
liquid tank
transparent plate
densitometer
electrophoretic image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP15200593A
Other languages
Japanese (ja)
Other versions
JPH0720038A (en
Inventor
貞博 渡辺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optic Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Olympus Optic Co Ltd filed Critical Olympus Optic Co Ltd
Priority to JP15200593A priority Critical patent/JP3469609B2/en
Priority to DE4421112A priority patent/DE4421112C2/en
Priority to ITMI941284A priority patent/IT1271183B/en
Publication of JPH0720038A publication Critical patent/JPH0720038A/en
Application granted granted Critical
Publication of JP3469609B2 publication Critical patent/JP3469609B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416Systems
    • G01N27/447Systems using electrophoresis
    • G01N27/44704Details; Accessories
    • G01N27/44717Arrangements for investigating the separated zones, e.g. localising zones
    • G01N27/44721Arrangements for investigating the separated zones, e.g. localising zones by optical means

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Optical Measuring Cells (AREA)

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、透明化液を収容する
液槽内に、電気泳動像を有する支持体を搬送し、所定の
測定部において前記液槽の底面側から前記支持体上の電
気泳動像に測光光束を照射して、該電気泳動像を比色定
量するようにしたデンシトメータに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention conveys a support having an electrophoretic image into a liquid tank containing a clearing liquid, and places the support on the support from the bottom side of the liquid tank in a predetermined measuring section. The present invention relates to a densitometer adapted to irradiate an electrophoretic image with a photometric light flux and colorimetrically quantify the electrophoretic image.

【0002】[0002]

【従来の技術】従来のデンシトメータとして、例えば特
公昭59−17772号公報、特公昭60−13136
号公報に記載されたものがある。図6は、特公昭59−
17772号公報に開示されたデンシトメータを示すも
のである。このデンシトメータにおいては、電気泳動像
を有するセルローズアセテート膜等の支持体(図示せ
ず)を、駆動ローラおよび従動ローラを有するローラ対
1,2および3を経て、透明化液4を収容する液槽5の
所定の測定部に矢印x方向に搬送し、この測定部におい
て光源および光学系を有する投光部6および光電変換素
子を有する受光部7により電気泳動像を測光走査したの
ち、同様に駆動ローラおよび従動ローラを有するローラ
対8および9を経て支持体を液槽5から排出するように
している。
2. Description of the Related Art As conventional densitometers, for example, Japanese Patent Publication No. 59-17772 and Japanese Patent Publication No. 60-13136.
There is one described in the publication. Figure 6 shows the Japanese Patent Publication Sho 59-
It shows the densitometer disclosed in Japanese Patent No. 17772. In this densitometer, a support (not shown) such as a cellulose acetate film having an electrophoretic image is passed through a pair of rollers 1, 2 and 3 having a driving roller and a driven roller to store a clearing liquid 4. 5 is conveyed in the direction of the arrow x to a predetermined measurement unit, and in this measurement unit, the electrophoretic image is photometrically scanned by the light projecting unit 6 having a light source and an optical system and the light receiving unit 7 having a photoelectric conversion element, and then similarly driven. The support is discharged from the liquid tank 5 via a roller pair 8 and 9 having a roller and a driven roller.

【0003】ローラ対1,2,3,8および9は、ロー
ラ対1,2間および2,3間にそれぞれ配置した支持体
検出部10および11の信号に基づいて、制御部12に
より制御される送りモータ13によって駆動するように
している。また、測定部において、液槽5の底面には測
光用窓として透明ガラス板14を固着し、この透明ガラ
ス板14の下方に投光部6を配置し、液槽5内に受光部
7を配置して、投光部6からの測光光束を透明ガラス板
14、液槽5および透明化液4を経て支持体上の電気泳
動像に投射し、その透過光を透明化液4を経て受光部7
で受光するようにしている。なお、投光部6は、制御部
12により走査制御部15、走査モータ16およびピニ
オン−ラック機構17を介して、支持体の搬送方向(x
方向)と直交する方向、すなわち電気泳動像の分画方向
に移動させ、これにより電気泳動像を測光走査するよう
にしている。
The roller pairs 1, 2, 3, 8 and 9 are controlled by the control section 12 based on signals from the support detecting sections 10 and 11 arranged between the roller pairs 1, 2, and 2 and 3, respectively. It is configured to be driven by the feed motor 13. In the measuring section, a transparent glass plate 14 is fixed to the bottom surface of the liquid tank 5 as a photometric window, a light projecting section 6 is arranged below the transparent glass plate 14, and a light receiving section 7 is provided in the liquid tank 5. The photometric luminous flux from the light projecting unit 6 is projected onto the electrophoretic image on the support through the transparent glass plate 14, the liquid tank 5 and the clearing liquid 4, and the transmitted light is received through the clearing liquid 4. Part 7
It is designed to receive light. The light projecting unit 6 is controlled by the control unit 12 via the scanning control unit 15, the scanning motor 16, and the pinion-rack mechanism 17 in the transport direction (x) of the support.
Direction), that is, in the fractionation direction of the electrophoretic image, whereby the electrophoretic image is photometrically scanned.

【0004】[0004]

【発明が解決しようとする課題】上述したデンシトメー
タにおいては、測定部の透明ガラス板14に汚れが付着
すると、測光データに悪影響を及ぼすため、透明ガラス
板14を適宜清掃する必要がある。この清掃にあたって
は、透明ガラス板14が液槽5に固着され、投光部6を
設置したままでは、その清掃が非常に困難であるところ
から、分析動作を中断し、投光部6を取り外して行って
いた。このため、清掃のための操作が面倒になると共
に、分析効率が低下するという問題があった。
In the above-described densitometer, if dirt adheres to the transparent glass plate 14 of the measuring portion, the photometric data is adversely affected, so the transparent glass plate 14 needs to be cleaned appropriately. In this cleaning, the transparent glass plate 14 is fixed to the liquid tank 5, and it is very difficult to clean the transparent glass plate 14 with the light projecting section 6 installed. Therefore, the analysis operation is interrupted and the light projecting section 6 is removed. I was going. Therefore, there is a problem that the cleaning operation becomes troublesome and the analysis efficiency is reduced.

【0005】また、デンシトメータの測定精度を確保す
るために、図7に示すような所定の濃度パターン18を
有する検定フィルム19を分析する場合や、緊急検体等
を割り込んで分析する場合には、通常の分析動作を一時
中断して、検定フィルム19や割り込み検体を液槽5内
に搬送しなければならないため、搬送操作が煩雑かつ複
雑になると共に、分析効率が低下するという問題もあ
る。しかも、特に、検定フィルム19を液槽5内の透明
化液4に浸すと、フィルムが劣化し不経済になるという
問題もある。なお、検定フィルム19の劣化を防止する
方法としては、フィルムをラミネート化する等の保護処
理を施すことが考えられるが、このようにすると高価に
なるという問題が生じることになる。
Further, in order to secure the measurement accuracy of the densitometer, when analyzing an assay film 19 having a predetermined concentration pattern 18 as shown in FIG. Since the assay film 19 and the interrupted sample have to be transported into the liquid tank 5 by temporarily suspending the analysis operation of 1, the transport operation is complicated and complicated, and the analysis efficiency is reduced. In addition, there is also a problem that when the test film 19 is immersed in the clearing liquid 4 in the liquid tank 5, the film deteriorates and becomes uneconomical. As a method of preventing the deterioration of the test film 19, it is conceivable to carry out a protective treatment such as laminating the film, but such a method causes a problem that it becomes expensive.

【0006】さらに、図6に示すデンシトメータで、任
意の大きさまたは長さのセルローズアセテート膜等の新
たな支持体、もしくはゲル状の新たな支持体に形成され
た電気泳動像を測定しようとする場合には、ローラ間の
間隔や支持体の幅方向の寸法の制約を受けて、容易に測
定できないという問題がある。
Further, with the densitometer shown in FIG. 6, an attempt is made to measure an electrophoretic image formed on a new support such as a cellulose acetate membrane having an arbitrary size or length, or a new gel-like support. In this case, there is a problem that the measurement cannot be easily performed due to the restriction of the distance between the rollers and the dimension of the support in the width direction.

【0007】この発明は、このような従来の問題点に着
目してなされたもので、測定部の清掃、検定フィルムや
緊急検体の割り込み分析を、分析効率を低下させること
なく、簡単かつ安価な構成で容易にできるようにしたデ
ンシトメータを提供することを目的とする。
The present invention has been made by paying attention to such conventional problems, and is simple and inexpensive for cleaning the measuring portion, interrupting the assay film and the urgent sample without lowering the analysis efficiency. An object is to provide a densitometer that can be easily configured.

【0008】[0008]

【課題を解決するための手段】上記目的を達成するた
め、この発明では、透明化液を収容する液槽内に、電気
泳動像を有する支持体を搬送し、所定の測定部において
前記液槽の底面側に配置した光源から前記支持体上の電
気泳動像に測光光束を照射して、該電気泳動像を比色定
量するようにしたデンシトメータにおいて、前記測定部
の前記液槽の底面を、透明体の少なくとも2重構造とす
ると共に、その透明体のうち、前記光源側の透明体を着
脱自在に構成する。
In order to achieve the above object, according to the present invention, a support having an electrophoretic image is conveyed into a liquid tank containing a clearing liquid, and the liquid tank is provided at a predetermined measuring section. Of the electrophoretic image on the support from a light source arranged on the bottom side of the support, in a densitometer for colorimetrically quantifying the electrophoretic image, the bottom surface of the liquid tank of the measurement unit, The transparent body has at least a double structure, and the transparent body on the light source side is detachably configured.

【0009】図1は、この発明の概念図を示すものであ
る。液槽21には透明化液22を収容し、この液槽21
の測定部に、透明化液22に浸漬して電気泳動像を有す
るセルローズアセテート膜等の支持体23を搬送する。
液槽21の測定部の底面は、透明体の少なくとも2重構
造とすると共に、その透明体のうち、光源側の透明体で
ある下部透明体は着脱自在に構成する。図1では、ガラ
スやアクリル等よりなる上部透明板24および下部透明
板25の2重構造をもって構成しているが、液槽21自
体がガラス、アクリル等の透明部材で形成されている場
合には、測定部における液槽21自体を上部透明体とし
て、下部透明板25を液槽21に対して着脱自在に設け
る。
FIG. 1 is a conceptual diagram of the present invention. The liquid tank 21 contains the clearing liquid 22.
The support 23 such as a cellulose acetate film having an electrophoretic image is transported to the measuring section of the above by being immersed in the clearing liquid 22.
The bottom surface of the measuring unit of the liquid tank 21 has at least a double structure of a transparent body, and among the transparent bodies, a lower transparent body which is a light source side transparent body is detachably configured. In FIG. 1, the upper transparent plate 24 and the lower transparent plate 25 are made of glass or acrylic and have a double structure. However, when the liquid tank 21 itself is made of a transparent member such as glass or acrylic. The liquid tank 21 itself in the measuring section is used as an upper transparent body, and the lower transparent plate 25 is detachably provided to the liquid tank 21.

【0010】測定部において、下部透明板25の下方に
は投光部26を配置し、この投光部26と、下部透明板
25、上部透明板24および支持体23を介して対向す
るように、透明化液22に浸漬して受光部27を配置す
る。投光部25は、光源28からの光を、スリット2
9、レンズ30、フィルタ31および絞り32を経て測
定部に投射するように構成すると共に、支持体23に形
成された電気泳動像を走査するため、例えばその分画方
向に移動可能に構成する。
In the measuring section, a light projecting section 26 is arranged below the lower transparent plate 25, and the light projecting section 26 is opposed to the lower transparent plate 25, the upper transparent plate 24, and the support member 23. The light receiving part 27 is arranged by immersing it in the clearing liquid 22. The light projecting unit 25 transmits the light from the light source 28 to the slit 2
9, the lens 30, the filter 31, and the diaphragm 32 are projected onto the measurement unit, and the electrophoretic image formed on the support 23 is scanned, so that the electrophoretic image can be moved, for example, in the fractionation direction.

【0011】このようにして、測定部において、投光部
26を移動させながら、測光光束を下部透明板25およ
び上部透明板24を経て支持体23に形成された電気泳
動像に投射して走査し、その透過光を受光部27で受光
して電気泳動像を比色定量するようにする。
In this way, in the measuring unit, while moving the light projecting unit 26, the photometric light beam is projected on the electrophoretic image formed on the support 23 through the lower transparent plate 25 and the upper transparent plate 24 and scanned. Then, the transmitted light is received by the light receiving unit 27 so that the electrophoretic image is colorimetrically determined.

【0012】[0012]

【作用】図1に示す構成において、通常、セルローズア
セテート膜等の支持体23を測定する場合には、下部透
明板25を取り付けておき、この下部透明板25が汚れ
た場合には、これを取り外して清掃するか、または新た
な下部透明板と交換する。また、検定フィルムを用い
て、デンシトメータの検定を行う場合には、下部透明板
25を取り外して、その位置に検定フィルムを装着する
か、または下部透明板25を装着した状態で、その上下
のいずれかに検定フィルムを挿入して測定する。さら
に、リポ蛋白、アイソザイム等を電気泳動させたアガロ
ースゲルやポリアクリルアミドゲル等の異なる材質や厚
みもしくは泳動長を有する支持体を測定する場合には、
その支持体を所定の寸法に切断する等の処理を行って、
検定フィルムと同様にして測定する。
In the structure shown in FIG. 1, when a support 23 such as a cellulose acetate film is to be measured, a lower transparent plate 25 is usually attached. Remove and clean, or replace with a new lower transparency. When the densitometer is calibrated by using the proof film, the lower transparent plate 25 is removed and the proof film is attached at that position, or the lower transparent plate 25 is attached to the upper and lower sides of the proof film. Insert a crab test film and measure. Furthermore, in the case of measuring a support having different materials or thickness or migration length such as agarose gel or polyacrylamide gel on which lipoprotein or isozyme is electrophoresed,
Perform processing such as cutting the support to a predetermined size,
The measurement is carried out in the same manner as the assay film.

【0013】なお、上記のようにして検定フィルムや他
の支持体を測定する場合には、これらを測定する標本面
と、液槽21内に搬送される通常のセルローズアセテー
ト膜等の支持体23を測定する標本面との2つの標本面
を有することになる。しかしながら、投光部26からの
測光光束は、スリット29や絞り32等によりその幅
が、通常例えば1mmと狭くしているので、通常の支持
体23の測定における標本面と、検定フィルム、ゲル支
持体の標本面との距離を、測定に影響がない程度に近づ
ければ、オートフォーカスのためのレンズ駆動手段等を
用いることなく、両者を測定することが可能となる。
When measuring the assay film and other supports as described above, the sample surface on which they are measured and the support 23 such as a normal cellulose acetate film conveyed into the liquid tank 21. Will have two sample surfaces, a sample surface for measuring and. However, since the width of the photometric light flux from the light projecting unit 26 is usually narrow, for example, 1 mm due to the slit 29, the diaphragm 32, etc., the specimen surface in the usual measurement of the support 23, the assay film, and the gel support. If the distance from the sample surface of the body is close to an extent that does not affect the measurement, both can be measured without using a lens driving unit for autofocusing.

【0014】この場合、例えば、通常の支持体23にお
いては、透明度が高く、一枚の支持体23に複数の泳動
像を形成して、順次測光走査するようにしているので、
泳動像が展開していない部分が測定部に位置するように
支持体23の搬送を停止するか、あるいは搬送速度によ
っては、支持体23上の次の泳動像が測定部に達するま
での間に、検定フィルム、ゲル支持体を測定することが
できる。また、支持体23は、通常、搬送方向に沿って
所定の長さ毎に分断して搬送されるので、順次搬送され
る支持体23間の隙間を利用して、検定フィルム、ゲル
支持体を測定することができる。
In this case, for example, the ordinary support 23 has a high degree of transparency, and a plurality of electrophoretic images are formed on one support 23 so that photometric scanning is sequentially performed.
The conveyance of the support 23 is stopped so that the portion where the electrophoretic image is not developed is located in the measurement section, or depending on the conveyance speed, it may take time until the next electrophoretic image on the support 23 reaches the measurement section. , Assay films, gel supports can be measured. In addition, since the support 23 is normally conveyed by dividing it by a predetermined length along the conveyance direction, the assay film and the gel support are used by utilizing the gap between the supports 23 that are sequentially conveyed. Can be measured.

【0015】なお、検定フィルムやゲル支持体等の他の
支持体を割り込ませるための構成は、種々の構成が考え
られる。例えば、他の支持体を下部透明板25または測
光用孔を形成した遮光性の支持板上に載せたり、2枚の
下部透明板または2枚の支持板間に挟んだ状態で、上部
透明板24の下方に水平に装着することができる。
Various configurations are conceivable as a configuration for interrupting another support such as an assay film or a gel support. For example, another support may be placed on the lower transparent plate 25 or a light-shielding supporting plate having a photometric hole, or may be sandwiched between two lower transparent plates or two supporting plates to form an upper transparent plate. It can be mounted horizontally below 24.

【0016】また、下部透明板25を取り外すことな
く、検定フィルムやゲル支持体等の他の支持体を割り込
ませる場合には、好適には、投光部26による合焦点に
近くなるように、下部透明板25の上部に挿入して測光
する。この場合、下部透明板25の厚みが適度に薄けれ
ば、この下部透明板25を上部透明板24と接しない程
度まで近づけて、下部透明板25の下方付近に他の支持
体を挿入する。このようにすれば、他の支持体を投光部
26の合焦点近くに位置させることができると共に、上
部透明板24を常時外部と遮断することができる。
When another support such as an assay film or a gel support is to be interrupted without removing the lower transparent plate 25, it is preferable that the focus should be close to the focal point of the light projecting section 26. It is inserted into the upper part of the lower transparent plate 25 and the light is measured. In this case, if the thickness of the lower transparent plate 25 is appropriately thin, the lower transparent plate 25 is brought close enough not to contact the upper transparent plate 24, and another support is inserted near the lower portion of the lower transparent plate 25. In this way, another support can be positioned near the focal point of the light projecting section 26, and the upper transparent plate 24 can always be shielded from the outside.

【0017】ここで、他の支持体としては、上記の検定
フィルムやゲル支持体の他、液槽21に搬送して一旦測
定した支持体23を再検査のために適宜分断したもの、
他機種で泳動分析した比較用の支持体、用手法により泳
動された緊急検体用支持体等が挙げられる。
Here, as the other support, in addition to the above-mentioned assay film and gel support, the support 23 conveyed to the liquid tank 21 and once measured is appropriately divided for re-inspection,
Examples include a support for comparison analyzed by another model, a support for an emergency sample that has been electrophoresed by a manual method, and the like.

【0018】[0018]

【実施例】図2は、この発明の一実施例を示すものであ
る。この実施例では、複数の電気泳動像を有するセルロ
ーズアセテート膜等の支持体41を、駆動ローラおよび
従動ローラを有するローラ対42,43および44を経
て、透明化液45を収容する液槽46の所定の測定部に
矢印x方向に搬送し、この測定部において光源および光
学系を有する投光部47および光電変換素子を有する受
光部48により複数の電気泳動像を順次測光走査して、
同様に駆動ローラおよび従動ローラを有するローラ対4
9を経て、支持体41を液槽46から排出するようにす
る。ローラ対42,43,44および49は、ローラ対
43,44間に配置した支持***置検出部50の信号に
基づいて制御部51により制御される送りモータ52に
よって、支持体41上の電気泳動像の中央位置が測定部
の中心で停止するように駆動する。
FIG. 2 shows an embodiment of the present invention. In this embodiment, a support body 41 such as a cellulose acetate film having a plurality of electrophoretic images is passed through a pair of rollers 42, 43 and 44 having a driving roller and a driven roller to form a liquid tank 46 containing a clearing liquid 45. It is conveyed to a predetermined measuring section in the direction of arrow x, and in this measuring section, a plurality of electrophoretic images are sequentially photometrically scanned by a light projecting section 47 having a light source and an optical system and a light receiving section 48 having a photoelectric conversion element,
Similarly, a roller pair 4 having a driving roller and a driven roller.
After that, the support 41 is discharged from the liquid tank 46. The roller pairs 42, 43, 44 and 49 are electrophoresed on the support body 41 by a feed motor 52 controlled by a control section 51 based on a signal from a support body position detection section 50 arranged between the roller pairs 43 and 44. The image is driven so that the center position of the image stops at the center of the measuring unit.

【0019】液槽46の測定部の底面は、ガラスやアク
リル等よりなる上部透明板53および下部透明板(光源
側の透明体)54を有する2重構造をもって構成する。
ここで、上部透明板53は液槽46に固着し、下部透明
板54は液槽46に対して支持体41の搬送方向と直交
するy方向に挿脱自在に設ける。
The bottom surface of the measuring section of the liquid tank 46 has a double structure having an upper transparent plate 53 and a lower transparent plate (transparent body on the light source side) 54 made of glass or acrylic.
Here, the upper transparent plate 53 is fixed to the liquid tank 46, and the lower transparent plate 54 is provided so that it can be inserted into and removed from the liquid tank 46 in the y direction orthogonal to the transport direction of the support 41.

【0020】この実施例では、図3に詳細に示すよう
に、下部透明板54を金属材料等からなる支持板55お
よび56により挟持して設け、これらを一体に液槽46
に対して挿脱自在に装着するようにする。このため、液
槽46には、図2に示すように、y方向に延在して一対
のガイド溝57a,57bを形成し、これらガイド溝5
7a,57bに沿って下部透明板54を支持板55およ
び56と一体にy方向に挿脱し得るようにする。なお、
支持板55および56には、それらの中央部に測光光束
を透過させるための開口55aおよび56aを形成す
る。
In this embodiment, as shown in detail in FIG. 3, a lower transparent plate 54 is provided by being sandwiched by supporting plates 55 and 56 made of a metal material or the like, and these are integrally formed in a liquid tank 46.
Make sure to attach and remove it freely. Therefore, in the liquid tank 46, as shown in FIG. 2, a pair of guide grooves 57a and 57b extending in the y direction are formed.
The lower transparent plate 54 and the supporting plates 55 and 56 can be integrally inserted and removed in the y direction along 7a and 57b. In addition,
The support plates 55 and 56 are provided with openings 55a and 56a for transmitting the photometric light flux at their central portions.

【0021】投光部47は下部透明板54の下方に配置
し、受光部48は液槽46内に配置して、投光部47か
らの測光光束を下部透明板54および上部透明板53を
経て支持体41上の電気泳動像に投射し、その透過光を
受光部48で受光するようにする。投光部47は、光源
58からの光を、ミラー59、レンズ60、スリット6
1、レンズ62、フィルタ63および絞り64を経て測
定部に投射するよう構成すると共に、全体を制御部51
により走査制御部65、走査モータ66およびピニオン
−ラック機構67を介して、支持体41の搬送方向(x
方向)と直交するy方向、すなわち電気泳動像の分画方
向に移動させ、これにより電気泳動像を測光走査するよ
う構成する。
The light projecting portion 47 is arranged below the lower transparent plate 54, and the light receiving portion 48 is arranged inside the liquid tank 46 so that the photometric luminous flux from the light projecting portion 47 is distributed between the lower transparent plate 54 and the upper transparent plate 53. After that, the electrophoretic image on the support 41 is projected, and the transmitted light is received by the light receiving unit 48. The light projecting unit 47 transmits the light from the light source 58 to the mirror 59, the lens 60, and the slit 6
1, the lens 62, the filter 63, and the diaphragm 64, and the control unit 51 is configured to project the light onto the measurement unit.
Through the scanning control unit 65, the scanning motor 66, and the pinion-rack mechanism 67 by the conveyance direction (x
Direction), that is, the electrophoretic image is fractionated, and the electrophoretic image is photometrically scanned.

【0022】また、この実施例では、デンシトメータを
検定するため、図4に示すように、検定フィルム68を
金属材料等からなる支持板69および70により挟持し
て用意し、これらを検定の際に支持板55,56で挟持
した下部透明板54に代えてガイド溝57a,57bに
沿って液槽46に装着し、その検定フィルム68に形成
されたパターンを、投光部47をy方向に移動して測光
走査するようにする。なお、支持板69および70に
は、支持板55および56と同様に、それらの中央部に
測光光束を透過させるための開口69aおよび70aを
形成する。
Further, in this embodiment, in order to calibrate the densitometer, as shown in FIG. 4, a calibration film 68 is prepared by being sandwiched between supporting plates 69 and 70 made of a metal material or the like. Instead of the lower transparent plate 54 sandwiched by the support plates 55 and 56, it is mounted on the liquid tank 46 along the guide grooves 57a and 57b, and the pattern formed on the assay film 68 is moved in the y direction by the light projecting unit 47. And perform photometric scanning. Note that the support plates 69 and 70 are formed with openings 69a and 70a for transmitting the photometric light flux at their central portions, like the support plates 55 and 56.

【0023】さらに、ゲル状の支持体に形成されたリポ
蛋白、アインザイム等の泳動像も測光し得るようにする
ため、図5に示すように、測光光束を透過させるための
開口71aおよび72aをそれぞれ有する支持板71お
よび72を用意し、これら支持板71,72に、測定す
べき電気泳動像を有する所定の長さに切断したゲル状支
持体73を挟持して、これらを支持板55,56で挟持
した下部透明板54に代えてガイド溝57a,57bに
沿って液槽46に装着して、その泳動像を同様に投光部
47のy方向の移動により測光走査し得るようにする。
なお、この場合、好適には、支持板71,72を分離可
能としたり、それらの間隔を変更し得るように構成し
て、ゲル状支持体を交換装着できるようにする。
Further, as shown in FIG. 5, openings 71a and 72a for transmitting the photometric light flux are provided so that the electrophoretic image of the lipoprotein, einzyme, etc. formed on the gel-like support can also be measured. Prepare supporting plates 71 and 72 respectively having the supporting plates 71 and 72, and sandwiching a gel-like support 73 cut into a predetermined length having an electrophoretic image to be measured between these supporting plates 71 and 72, and supporting plates 55, Instead of the lower transparent plate 54 sandwiched by 56, it is attached to the liquid tank 46 along the guide grooves 57a and 57b so that the migration image can be similarly photometrically scanned by the movement of the light projecting unit 47 in the y direction. .
In this case, preferably, the support plates 71 and 72 are separable, or the intervals between them can be changed so that the gel-like support can be exchanged and mounted.

【0024】上記構成において、通常の支持体41の測
定においては、支持体41上の順次の電気泳動像の中央
位置が測定部の中心で停止するように支持体41をx方
向に搬送しながら、各電気泳動像の中央位置が測定部の
中心に位置する状態で、投光部47をy方向に移動させ
て電気泳動像を測光走査し、全ての電気泳動像の測定が
終了した支持体41を液槽46から排出する。
In the above-described structure, in the usual measurement of the support 41, the support 41 is conveyed in the x direction so that the center position of the successive electrophoretic images on the support 41 stops at the center of the measuring section. In a state where the center position of each electrophoretic image is located at the center of the measuring unit, the light projecting unit 47 is moved in the y direction to perform photometric scanning of the electrophoretic image, and the support on which all the electrophoretic images have been measured. 41 is discharged from the liquid tank 46.

【0025】ここで、下部透明板54の底面が、ほこり
や湿気等の影響で汚れた場合には、下部透明板54をそ
の支持板55,56と一体にガイド溝57a,57bに
沿って液槽46から取り外して清掃するか、または下部
透明板あるいは全体を新たなものと交換して液槽46に
装着する。また、検定フィルムを用いて、デンシトメー
タの検定を行う場合には、支持板55,56で挟持した
下部透明板54に代えて、図4に示した支持板69,7
0で挟持した検定フィルム68を液槽46に装着して、
その検定フィルム68を測光走査する。さらに、リポ蛋
白、アイソザイム等を電気泳動させたアガロースゲルや
ポリアクリルアミドゲル等の異なる材質や厚みもしくは
泳動長を有する支持体を測定する場合には、図5に示し
たように、所定の長さに切断した測定すべきリポ蛋白、
アインザイム等の泳動像を有するゲル状支持体73を支
持板71,72に挟持し、これらを支持板55,56で
挟持した下部透明板54に代えてガイド溝57a,57
bに沿って液槽46に装着して同様に測光走査する。
Here, when the bottom surface of the lower transparent plate 54 becomes dirty due to the influence of dust or moisture, the lower transparent plate 54 is integrated with the supporting plates 55 and 56 along with the guide grooves 57a and 57b. The liquid is removed from the tank 46 and cleaned, or the lower transparent plate or the whole is replaced with a new one and attached to the liquid tank 46. When a densitometer test is performed using a test film, instead of the lower transparent plate 54 sandwiched between the support plates 55 and 56, the support plates 69 and 7 shown in FIG.
Attach the assay film 68 sandwiched by 0 to the liquid tank 46,
The test film 68 is photometrically scanned. Further, when measuring a support having a different material or thickness or migration length such as agarose gel or polyacrylamide gel on which lipoprotein, isozyme, etc. have been electrophoresed, as shown in FIG. Lipoprotein to be measured, cut into
A gel-like support 73 having an electrophoretic image such as Einzyme is sandwiched between the support plates 71 and 72, and the lower transparent plate 54 sandwiched between the support plates 55 and 56 is replaced with guide grooves 57a and 57.
The liquid tank 46 is attached along the line b and the photometric scanning is similarly performed.

【0026】この実施例によれば、液槽46の測定部の
底面を、上部透明板53および下部透明板54を有する
2重構造とすると共に、その下部透明板54を支持板5
5,56で挟持して、これらを一体に液槽46に対して
挿脱自在に装着するようにしたので、下部透明板54の
清掃を容易かつ迅速にできる。したがって、常時、信頼
性の高い測光データが得られるので、装置の信頼性を向
上できると共に、装置の耐久性も向上することができ
る。
According to this embodiment, the bottom surface of the measuring section of the liquid tank 46 has a double structure having the upper transparent plate 53 and the lower transparent plate 54, and the lower transparent plate 54 is supported by the supporting plate 5.
Since it is sandwiched by 5, 56 and these are integrally attached to and detachable from the liquid tank 46, the lower transparent plate 54 can be easily and quickly cleaned. Therefore, highly reliable photometric data can always be obtained, so that the reliability of the device can be improved and the durability of the device can be improved.

【0027】また、検定フィルム68の測定において
も、容易かつ迅速に装着できるので、例えば、順次搬送
される通常の支持体41間の隙間を利用して、検定フィ
ルム68を割り込んで測定することができる。したがっ
て、装置を効率的に運用することができる。しかも、検
定フィルム68は、透明化液45に浸す必要がないの
で、検定フィルム68の劣化も有効に防止することがで
きると共に、検定フィルム68はラミネート処理等を施
す必要がないので、安価にできる。
Further, since the assay film 68 can be easily and quickly mounted, the assay film 68 can be interrupted and measured, for example, by utilizing the gap between the ordinary supports 41 which are successively conveyed. it can. Therefore, the device can be operated efficiently. Moreover, since the assay film 68 does not need to be dipped in the clearing liquid 45, deterioration of the assay film 68 can be effectively prevented, and the assay film 68 does not need to be subjected to lamination treatment or the like, so that the cost can be reduced. .

【0028】さらに、リポ蛋白、アイソザイム等を電気
泳動させたアガロースゲルやポリアクリルアミドゲル等
の異なる材質や厚みもしくは泳動長を有する支持体も、
検定フィルムと同様にして、容易かつ迅速に測定するこ
とができると共に、他機種、用手法等で得た比較用、再
検査用、緊急用等の支持体も同様にして測定することが
できる。したがって、簡単かつ安価な構成で、デンシト
メータの汎用性を向上することができる。
Further, a support having a different material, thickness or migration length, such as agarose gel or polyacrylamide gel on which lipoprotein, isozyme, etc. are electrophoresed,
Similar to the assay film, it can be easily and quickly measured, and the supports for comparison, re-inspection, emergency, etc. obtained by other models, techniques, etc. can be similarly measured. Therefore, the versatility of the densitometer can be improved with a simple and inexpensive structure.

【0029】なお、この発明は、上述した実施例にのみ
限定されるものではなく、幾多の変形または変更が可能
である。例えば、上述した実施例では、液槽46の下部
に投光部47を、上部に受光部48を配置し、支持体4
1を透明化液45に浸漬して測光する透過型光学系とし
たが、投光部および受光部を液槽の下部に配置する反射
型光学系とすることもできる。また、検定フィルム68
やゲル状支持体73等の他の支持体は、通常の支持体4
1の搬送方向(x方向)と直交するy方向に挿脱するよ
うにしているので、投光部47を停止した状態で、他の
支持体を手動により挿脱しながら測光走査することもで
きる。さらに、この発明は、泳動像測光に先立って、セ
ルローズアセテート膜等の支持体の湿潤、泳動、染色、
脱色等の前工程を自動的に行う電気泳動装置に有効に適
用することができる。
It should be noted that the present invention is not limited to the above-described embodiments, and many variations and modifications are possible. For example, in the above-described embodiment, the light projecting portion 47 is arranged in the lower portion of the liquid tank 46, and the light receiving portion 48 is arranged in the upper portion thereof, and
1 is a transmissive optical system in which it is immersed in the clearing liquid 45 to perform photometry, but it is also possible to use a reflective optical system in which the light projecting portion and the light receiving portion are arranged in the lower part of the liquid tank. Also, the certification film 68
Other supports such as the gel-like support 73 and the normal support 4
Since the insertion / removal is performed in the y direction orthogonal to the transport direction (x direction) of 1, the photometric scanning can be performed while the other projections are manually inserted / removed while the light projecting unit 47 is stopped. Further, the present invention is, prior to electrophoretic image photometry, wetting, migrating, dyeing a support such as a cellulose acetate membrane,
It can be effectively applied to an electrophoretic device that automatically performs a pre-process such as decolorization.

【0030】[0030]

【発明の効果】以上のように、この発明によれば、測定
部の光源が配置される側の液槽の底面を、透明体の少な
くとも2重構造とすると共に、その透明体のうち、光源
側の透明体を着脱自在にする簡単な構成で、測定部の清
掃、検定フィルムや緊急検体の割り込み分析を、分析効
率を低下させることなく、容易に行うことができ、汎用
性に優れたデンシトメータを安価に得ることができる。
As described above, according to the present invention, the bottom surface of the liquid tank on the side where the light source of the measuring section is arranged has at least a double structure of a transparent body, and the light source of the transparent body is used. The densitometer is highly versatile and has a simple structure that allows the transparent body on the side to be detached and attached, and allows easy cleaning of the measurement unit and interruption analysis of assay films and emergency samples without lowering analysis efficiency. Can be obtained at low cost.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明の概念図である。FIG. 1 is a conceptual diagram of the present invention.

【図2】この発明の一実施例を示す図である。FIG. 2 is a diagram showing an embodiment of the present invention.

【図3】図2に示す下部透明板の組み付け構成を示す斜
視図である。
FIG. 3 is a perspective view showing an assembling configuration of the lower transparent plate shown in FIG.

【図4】図2に示すデンシトメータに装着する透明フィ
ルムの組み付け構成を示す斜視図である。
4 is a perspective view showing an assembling configuration of a transparent film mounted on the densitometer shown in FIG.

【図5】同じく、ゲル状支持体の組み付け構成を示す斜
視図である。
FIG. 5 is a perspective view showing an assembling configuration of the gel-like support body.

【図6】従来のデンシトメータを示す図である。FIG. 6 is a diagram showing a conventional densitometer.

【図7】図6のデンシトメータで用いる検定フィルムを
示す図である。
FIG. 7 is a view showing an assay film used in the densitometer of FIG.

【符号の説明】[Explanation of symbols]

21 液槽 22 透明化液 23 支持体 24 上部透明板 25 下部透明板 26 投光部 27 受光部 41 支持体 42,43,44,49 ローラ対 45 透明化液 46 液槽 47 投光部 48 受光部 50 支持***置検出部 51 制御部 52 送りモータ 53 上部透明板 54 下部透明板 55,56 支持板 55a,56a 開口 57a,57b ガイド溝 65 走査制御部 66 走査モータ 67 ピニオン−ラック機構 68 検定フィルム 69,70 支持板 69a,70a 開口 71,72 支持板 71a,72a 開口 73 ゲル状支持体 21 liquid tank 22 Clarifying liquid 23 Support 24 Upper transparent plate 25 Lower transparent plate 26 Projector 27 Light receiving part 41 Support 42,43,44,49 Roller pair 45 Clarifying liquid 46 liquid tank 47 Projector 48 Light receiving part 50 Support position detector 51 control unit 52 Feed motor 53 Upper transparent plate 54 Lower transparent plate 55,56 Support plate 55a, 56a opening 57a, 57b Guide groove 65 Scan control unit 66 scanning motor 67 Pinion-rack mechanism 68 Test film 69,70 Support plate 69a, 70a opening 71,72 Support plate 71a, 72a opening 73 Gel Support

フロントページの続き (58)調査した分野(Int.Cl.7,DB名) G01N 21/00 - 21/61 実用ファイル(PATOLIS) 特許ファイル(PATOLIS)Continuation of the front page (58) Fields investigated (Int.Cl. 7 , DB name) G01N 21/00-21/61 Practical file (PATOLIS) Patent file (PATOLIS)

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 透明化液を収容する液槽内に、電気泳動
像を有する支持体を搬送し、所定の測定部において前記
液槽の底面側に配置した光源から前記支持体上の電気泳
動像に測光光束を照射して、該電気泳動像を比色定量す
るようにしたデンシトメータにおいて、 前記測定部の前記液槽の底面を、透明体の少なくとも2
重構造とすると共に、その透明体のうち、前記光源側の
透明体を着脱自在に構成したことを特徴とするデンシト
メータ。
1. A support having an electrophoretic image is transported into a liquid tank containing a clearing liquid, and electrophoresis is performed on the support from a light source arranged on the bottom side of the liquid tank in a predetermined measuring section. In a densitometer for irradiating an image with a photometric light flux for colorimetric quantification of the electrophoretic image, the bottom surface of the liquid tank of the measuring unit is provided with at least a transparent body.
A densitometer having a double-layered structure, and of the transparent bodies, the transparent body on the light source side is detachable.
【請求項2】 前記光源側の透明体の上下いずれか、ま
たは該透明体と交換して、所定のパターンを有する検定
フィルムまたは電気泳動像を有する他の支持体を着脱自
在に装着して、その所定のパターンまたは他の支持体の
電気泳動像を測光し得るよう構成したことを特徴とする
請求項1記載のデンシトメータ。
2. A transparent body on the light source side, either above or below the transparent body, or exchanged for the transparent body, and an assay film having a predetermined pattern or another support having an electrophoretic image is detachably attached, The densitometer according to claim 1, wherein the densitometer is configured to be capable of photometrically measuring an electrophoretic image of the predetermined pattern or another support.
JP15200593A 1993-06-23 1993-06-23 Densitometer Expired - Fee Related JP3469609B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP15200593A JP3469609B2 (en) 1993-06-23 1993-06-23 Densitometer
DE4421112A DE4421112C2 (en) 1993-06-23 1994-06-16 Densitometer
ITMI941284A IT1271183B (en) 1993-06-23 1994-06-20 DENSITY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15200593A JP3469609B2 (en) 1993-06-23 1993-06-23 Densitometer

Publications (2)

Publication Number Publication Date
JPH0720038A JPH0720038A (en) 1995-01-24
JP3469609B2 true JP3469609B2 (en) 2003-11-25

Family

ID=15530990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15200593A Expired - Fee Related JP3469609B2 (en) 1993-06-23 1993-06-23 Densitometer

Country Status (3)

Country Link
JP (1) JP3469609B2 (en)
DE (1) DE4421112C2 (en)
IT (1) IT1271183B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010116237A1 (en) * 2009-04-08 2010-10-14 Amit Bhatnagar Apparatus for determining optical density of liquid sample

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013136B2 (en) * 1977-05-26 1985-04-05 オリンパス光学工業株式会社 Densitometer verification method
JPS5917772B2 (en) * 1977-05-26 1984-04-23 オリンパス光学工業株式会社 densitometer
US4938593A (en) * 1987-01-30 1990-07-03 The Regents Of The University Of Michigan Photothermal densitometer for reading electrophoresis gels

Also Published As

Publication number Publication date
ITMI941284A0 (en) 1994-06-20
JPH0720038A (en) 1995-01-24
DE4421112C2 (en) 1996-07-18
DE4421112A1 (en) 1995-01-05
IT1271183B (en) 1997-05-27
ITMI941284A1 (en) 1995-12-20

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