JPS5910850A - Analytical implement - Google Patents

Analytical implement

Info

Publication number
JPS5910850A
JPS5910850A JP12043882A JP12043882A JPS5910850A JP S5910850 A JPS5910850 A JP S5910850A JP 12043882 A JP12043882 A JP 12043882A JP 12043882 A JP12043882 A JP 12043882A JP S5910850 A JPS5910850 A JP S5910850A
Authority
JP
Japan
Prior art keywords
reagent
calibration curve
measurement
analysis tool
tool according
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.)
Pending
Application number
JP12043882A
Other languages
Japanese (ja)
Inventor
Shinichi Kishimoto
進一 岸本
Akio Saito
斎藤 昭男
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.)
Arkray Inc
Original Assignee
Kyoto Daiichi Kagaku KK
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 Kyoto Daiichi Kagaku KK filed Critical Kyoto Daiichi Kagaku KK
Priority to JP12043882A priority Critical patent/JPS5910850A/en
Publication of JPS5910850A publication Critical patent/JPS5910850A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biophysics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)

Abstract

PURPOSE:To save labor of a quantitative analysis and to prevent the occurrence of a measuring error, by converting a calibration curve of a sample into a discrimination cord and providing it on a suitable supporting body in a state capable or reading. CONSTITUTION:A piece of a test paper 2 impregnated with a color reagent into a reagent carrier is fixed as supported at a tip end part 3a of a supporting body 3 made of transparent plastics and a discrimination cord 51 of calibration line data and a discrimination cord group 5 including a bar code with consists of dicrimination cords 52-54 concerning with measuring items, measuring wavelength and measuring time, are provided at the middle part of the body 3 and then, a display of a specified component name detected at a base part 3b of the body 3 is provided. The group 5 is read by a bar code reading apparatus. By using such a test paper 1, the concentraion of a specified compondnt in a body to be inspected is found by one measurement and the measurement is performed quickly and also, the occurrence of an error by an operation mistake etc. at the time of the correction by a calibration curve is prevented.

Description

【発明の詳細な説明】 本発明は、検体中の特定成分の定量分析あるいは酵素の
活性度等を測定する場合に用いる試薬について、試薬の
検量線データを識別コード化し、試薬の容器類、試薬担
体、更には試薬担体に試薬を含浸させた試験紙片等を支
持固定する支持体などに、読み取り可能な状態で表示し
た新規な分析用具に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention provides identification codes for reagent calibration curve data for reagents used for quantitative analysis of specific components in samples or measurement of enzyme activity, etc. The present invention relates to a novel analytical tool in which a readable display is displayed on a carrier, or a support for supporting and fixing a test strip or the like in which a reagent carrier is impregnated with a reagent.

試薬を用いる分析方法には、呈色反応をはじめ各種の反
応を利用するものがあるが、この内呈色試薬を用い目視
あるいは光学的測定装置により測定を行なう呈色試験は
応用範囲も広く、また透過光や反射光を利用するもので
測定が比較的容易に行なわれるところから、臨床化学検
査をはじめ各抽分析・検査分野で広く利用されている。
Analytical methods that use reagents include those that utilize various reactions including color reactions, but among these, color tests that use color reagents and perform measurements visually or with optical measuring devices have a wide range of applications. In addition, since it uses transmitted light or reflected light and can be measured relatively easily, it is widely used in various sampling and testing fields including clinical chemistry testing.

そこで、以下本発明を呈色試験を例にとって詳細に説明
する0 呈色試験には、液状試薬と反応容器を用い反応液の透過
光強度から濃度を求めるものと、液状試薬を試薬担体に
含浸させた呈色試験紙を用い試験紙の反射光強度から濃
度を求めるもの(DrychemiStry )とがあ
るが、いずれの場合も濃度算出に際しては濃度既知の標
準液について予め作成されている濃度と光学的測定値と
の関連を示す検量線を用いることが必要である。
Therefore, the present invention will be explained in detail below using a color test as an example.0 Color tests involve determining the concentration from the intensity of transmitted light of the reaction solution using a liquid reagent and a reaction container, and a method in which the liquid reagent is impregnated into a reagent carrier. There is a method (DrychemiStry) that calculates the concentration from the intensity of reflected light from the test paper using a colored test paper, but in both cases, when calculating the concentration, the concentration and optical It is necessary to use a calibration curve that shows the relationship with measured values.

そして現在では、光学的測定とこれに続く検量線を用い
ての濃度への換算及び濃度側定直の表示など一連の操作
を自動的に行なうシステム化された測定装置及び試薬が
各種開発され、測定の迅速化簡易化と正確性の点で多大
の貢献をなしている。
Nowadays, various systemized measuring devices and reagents have been developed that automatically perform a series of operations such as optical measurement, subsequent conversion to concentration using a calibration curve, and display of concentration side correction. It has made a great contribution in terms of speed, simplicity, and accuracy of measurements.

特に、古くは肉眼比色による定性的な検査が主であった
呈色試験紙を用いるものにあっても、反射率測定機器を
はじめとする各種機器の開発改良、試験紙自体の新規開
発や改良により長足の進歩をとげ、中には液体試薬を用
いるものと変らぬ精度や正確度のものもあり、また測定
項目(分析可能な特定成分)も順次増加し、Dry  
chemistryの特徴である操作の簡便性と迅速に
結果が得られることと相まって、特に緊急な測定や多検
体の迅速処理を必要とする臨床化学検査分野において極
めて重要な地位を占めつつある。
In particular, even in the case of color test paper, which in the past was mainly used for qualitative tests based on naked eye colorimetry, there are improvements in the development and improvement of various devices such as reflectance measurement equipment, and new development of the test paper itself. We have made great progress through improvements, and some of them have the same precision and precision as those using liquid reagents.The number of measurement items (specific components that can be analyzed) has also increased gradually, and dry
Coupled with the ease of operation and the ability to quickly obtain results, which are the characteristics of chemistry, it is occupying an extremely important position, especially in the field of clinical chemistry testing, which requires urgent measurements and rapid processing of multiple samples.

ところで、上述の如く試薬と測定装置からなる従来のシ
ステム化された濃度測定方式においては、濃度既知の標
準液を用いて作成した検量線を電気回路で処理したりマ
イクロコンピユータラ用いて装置に固定的に記憶させて
用いていた。しがしこの場合、後述の如く試薬のロフト
同着等により測定結果に正確さの点で問題がある。
By the way, as mentioned above, in the conventional systemized concentration measurement method consisting of a reagent and a measuring device, a calibration curve created using a standard solution of known concentration is processed by an electric circuit or fixed to the device using a microcomputer. I memorized it and used it. However, in this case, as will be described later, there is a problem in the accuracy of the measurement results due to loft adhesion of the reagent, etc.

即ち、検量線は試薬の種類とその測定装置が定まればそ
のパターンはほぼ決っているが、測定装置の機差や試薬
のロット間差等によってかなり変形する。この内機差に
ついては、フィルターや積分球その他光学部品の性能向
上や均一化、マイクロコンピュータの性能向上により対
処できるが、試薬成分の品質や配合割合、製造条件等の
微妙な違いやバラツキによる特性変動に起因する試薬の
ロフト同着は押え難く、極端な場合その変動幅は数十%
にも及ぶことがある。
That is, the pattern of the calibration curve is almost fixed once the type of reagent and its measuring device are determined, but it can be considerably modified due to machine differences in the measuring device, differences between lots of reagents, etc. These internal differences can be addressed by improving and uniformizing the performance of filters, integrating spheres, and other optical components, and by improving the performance of microcomputers, but characteristics due to subtle differences and variations in the quality and blending ratio of reagent components, manufacturing conditions, etc. It is difficult to control reagent loft convergence caused by fluctuations, and in extreme cases, the fluctuation range is several tens of percent.
It can even extend to

そこで、これらの影響を排除し正確度の高い測定を行な
うためにシステム化された装置においても測定前に濃度
既知の標4.液を1乃至数種用いて測定し、その測定結
果から予め測定装置に記憶させである検量線情報(例え
ば高濃度標準液と低濃度標準液を測定し両側定値を直線
で結ぶ指令等)に基づき、その試薬に対する検量線を較
正あるいは作成して装置に別途記憶させ、以後その検量
線に基づいて濃度を算出する方式もとられている。
Therefore, in order to eliminate these influences and perform highly accurate measurements, even in a systemized device, a standard of known concentration is used before measurement. Measurement is performed using one or several types of liquid, and the measurement results are stored in advance in the measuring device to create calibration curve information (for example, a command to measure a high concentration standard solution and a low concentration standard solution and connect the constant values of both sides with a straight line, etc.). Based on this, a calibration curve for the reagent is calibrated or created and stored separately in the device, and the concentration is thereafter calculated based on the calibration curve.

しかしこの標準液を用いる検量線の較正(あるいは設定
)作業は、正確な測定結果を得るためには頻繁にしかも
慎重に行なわねばならず、且つ多項目測定の場合は各項
目毎に標準液を必要とし、各項目毎に上記較正操作が必
要なので、検量線較正作業に費す労力と時間は莫大なも
のとなり、自動化省力化を目ざす呈色試験のシステム分
析における最大のネックとなっている。
However, calibration (or setting) of the calibration curve using this standard solution must be performed frequently and carefully in order to obtain accurate measurement results, and when measuring multiple items, it is necessary to calibrate (or set) the calibration curve for each item. Since the above-mentioned calibration operation is required for each item, the amount of effort and time spent on calibration curve calibration work is enormous, and this is the biggest bottleneck in system analysis of color testing aimed at automation and labor saving.

これに対し、標準的(平均的)な特性を有する試薬なり
試験紙と標準液を用いて作成した検量線を測定装置に固
定的に記憶させ、且つ特l閏の比較的揃った試薬なり試
験紙を用いることにより、上記検量線較正作業を省略し
うるようにした方式のものもあるが、試薬類のロスが大
きいうえ特性の揃ったものを大量に作製することは事実
上不可能で、信頼変が低くなる欠点がある。
On the other hand, a calibration curve created using a reagent or test paper with standard (average) characteristics and a standard solution is fixedly stored in the measuring device, and a test using a reagent with a relatively uniform set of special characteristics is performed. There are methods that use paper to omit the above calibration curve calibration work, but this involves a large loss of reagents and is virtually impossible to produce in large quantities with uniform properties. The disadvantage is that reliability is low.

一方、新たな測定原理や新規な試薬の開発、試験紙製造
技術の発達等により、呈色試験によって測定される成分
項目は順次増加する傾向にある。
On the other hand, due to the development of new measurement principles, new reagents, development of test paper manufacturing technology, etc., the number of component items measured by color tests is gradually increasing.

また、測定対象を同じくする特性のより優れた試薬が新
たに開発されることもある。このことは、呈色試験紙を
用いるDry Systemの分野に於いて特に著しい
。しかし前述の、検量線に関する情報を装置に固定的に
組み込んだものにあっては、測定項目の増加あるいは改
廃・新規試験の採用に対処するには新たな検量線情報を
改ためて装置に記憶させる作業が必要となるが、この作
業は非常に煩雑であり数多くの装置を改良することは事
実上不可能である。しかも測定項目が増えるごとに新た
な機器を購入することはユーザーにとって負担が大きく
、新規項目測定の普及が遅れる大きな原因となっている
。この問題に対しては、前記検量線情報等を測定項目毎
に記憶させたある種の測定補助具を用意し、測定時に該
補助具を装置に組み込む方式にすれば解決されるが、測
定項目が多くなれば該測定補助具の管理も大へんである
し、多項目測定を行なうにはその都度測定補助具の交換
が必要となり、測定に要する手間は逆に増加する。しか
もかかる測定補助具を用いたとしても、前述の検量線較
正作業は省略できないので、多項目測定の場合は各項目
毎に標準液と該測定補助具を必要とし、トカ喰線較正作
業は非常に煩雑となる。
In addition, new reagents with better properties that measure the same target may be developed. This is particularly noticeable in the field of dry systems that use colored test strips. However, in the case of the above-mentioned device in which the information regarding the calibration curve is fixedly built into the device, new calibration curve information must be stored in the device in order to deal with an increase in the number of measurement items, revision or abolition, or adoption of a new test. However, this work is very complicated and it is virtually impossible to improve many devices. Moreover, purchasing new equipment each time the number of measurement items increases is a heavy burden on users, and is a major reason for the delay in the spread of new item measurement. This problem can be solved by preparing some kind of measurement aid that stores the calibration curve information etc. for each measurement item and incorporating the aid into the device at the time of measurement. If the number of measurement aids increases, it becomes difficult to manage the measurement aids, and in order to perform multi-item measurements, it is necessary to replace the measurement aids each time, which conversely increases the time and effort required for measurement. Moreover, even if such a measurement aid is used, the calibration curve calibration work described above cannot be omitted, so in the case of multi-item measurement, a standard solution and the measurement aid are required for each item, and the toka-buri curve calibration work is extremely difficult. becomes complicated.

そこで本発明考らは上記検量線に関する難問題に対処す
べく鋭意研究した結果、呈色反応を利用するシステム分
析において、標準液を用いる検量線の較正がまったく不
要で、しかも精度正確度に優れた分析用具を開発した。
Therefore, as a result of intensive research to address the difficult problems related to the calibration curves mentioned above, the present invention has been developed to create a system analysis that uses color reactions that does not require calibration of the calibration curves using standard solutions at all, and has excellent precision and accuracy. Developed analysis tools.

更に本発明は測定項目の増加改溌等にも容易に対処する
分析用具を呈供するものである。
Furthermore, the present invention provides an analysis tool that can easily cope with the increase and modification of measurement items.

以下、本発明を呈色試験紙の場合を例にとり詳細に説明
する。
Hereinafter, the present invention will be explained in detail using a color test paper as an example.

第1図は本発明に係る呈色試験紙(以下「試験紙」とす
る)の1例を示すもので、この試験紙(1)は、試薬担
体に呈色試薬を含浸させた試験紙片(2)を細幅の透明
なプラスチック片からなる支持体(3)の先端部(3a
)に支持固定し、支持体(3)の中間部に検量線データ
の識別コード+511(以下「検量線コード」とする)
を設けたものである。尚、該呈色試薬により検出される
特定成分名を測定項目表示(4)ヒして支持体の基部(
3b)等に表示してもよい。この検量線コード(61)
は実施例(第1図)の場合バーボードで、第2図に例示
する測定装置(10のコード読み取り装置01)によっ
て読み取られる。また、識別コードに・(53)・(5
4)は夫々測定項目、測定波長及び測定時間に関する情
報を同じくバーコードで表わしたものである。これらの
識別コード(61)・國争+fi31 # (Qlは透
明な支持体(3)の表面(裏面でもよい)に直接黒色印
刷されているが、別途紙やプラスチックフィルム等に印
刷したものを支持体表面に貼着してもよい。更に、上記
以外に必要な情報例えば検体の種類などの識別コードを
設けてもよい。
FIG. 1 shows an example of the color test paper (hereinafter referred to as "test paper") according to the present invention. This test paper (1) is a test paper piece ( 2) at the tip (3a) of the support (3) made of a narrow transparent plastic piece.
), and the calibration curve data identification code +511 (hereinafter referred to as the "calibration curve code") is attached to the middle part of the support (3).
It has been established. In addition, the name of the specific component detected by the coloring reagent is displayed on the measurement item display (4) and the base of the support (
3b) etc. This calibration curve code (61)
is a bar board in the case of the embodiment (FIG. 1), and is read by the measuring device (code reading device 01 of 10) illustrated in FIG. In addition, the identification code is (53) and (5
4) similarly represents information regarding measurement items, measurement wavelength, and measurement time using barcodes. These identification codes (61), national conflict + fi31 # (Ql) are printed directly in black on the surface (or back surface) of the transparent support (3), but those printed separately on paper or plastic film are supported. It may be attached to the body surface.Furthermore, necessary information other than the above, such as an identification code such as the type of specimen, may be provided.

尚、第2図申付号(t2はマイクロコンピュータ、θ樽
は表示装置、0ぐは入カキ−100はフィルター、i′
IIjはフィルターホルダー、o711は光源、o枠は
積分球、0嗜は受光器、(イ)は増幅器、(21)はA
−Dコンバーター、θ旧よ試料台である。
In addition, in Figure 2, the notification number (t2 is the microcomputer, θ barrel is the display device, 0g is the input oyster-100 is the filter, i'
IIj is a filter holder, o711 is a light source, o frame is an integrating sphere, 0 is a light receiver, (A) is an amplifier, (21) is A
-D converter, θ old and sample stage.

ところで、この検量線コード(51)は、例スば第3図
に示す如く試験紙の呈色特性から得られる濃度対反射率
(成る標準物質例えば白色の標準反射板の反射光量を1
00とした場合の相対反射率、以下同じ)の関係を示す
曲線即ち検量線を特定できるデータをコード化したもの
である。そして、検量で表わされると見て開数型そのも
のやa、b、(の値をコード化したり、折線近似を行な
ってその各点で相対反射率−濃度値、即ち検量線上の複
数の点の座標(85%−25m1de、 47%−10
0mmd#17%−400Tnf7de )で表わすな
ど押々なものが考えられる。
By the way, this calibration curve code (51) is based on the density vs. reflectance obtained from the coloring characteristics of the test paper (for example, the amount of reflected light from a standard material such as a white standard reflector plate), as shown in Figure 3.
It is coded data that can specify a curve showing the relationship between the relative reflectance when it is set to 00 (the same applies hereinafter), that is, a calibration curve. Then, when expressed in the calibration, the numerical type itself, a, b, () values are coded, and the values of a, b, Coordinates (85%-25m1de, 47%-10
0mmd#17%-400Tnf7de).

尚第3図は、COD、 POD及び呈色指示薬がら成る
グルコース分析用試験紙の相対反射率(r%)と尿中の
グルコース濃度(Y m6ydl’)の関係を示すもの
であるが(測定波長670nm ) 、検量線は試験紙
の種類が異なれば勿論のこと、同一種類のものでも用い
る試薬のロフトが変われば異なることがあることは前述
の通りである。
Figure 3 shows the relationship between the relative reflectance (r%) of a test strip for glucose analysis consisting of COD, POD, and a color indicator and the glucose concentration in urine (Ym6ydl') (measurement wavelength 670 nm), and as mentioned above, the calibration curve may differ not only if the type of test paper is different, but also if the loft of the reagent used changes even if the test paper is of the same type.

そこで本発明では、試薬のロフト毎に濃度既知の標準試
料を用いて正確な検量線を作成し、その検量線のデータ
をコード化してそのロフトの試薬を含浸させた試験紙片
(2)を支持固定する支持体(3)に個々に表示したも
のである。従って、本発明の試験紙(1)を用いると前
記検量線較正作業がまったく不要になり、省力化迅速化
が図れるとともに試薬のロフト同着による測定誤差がな
くなり常に正確で精度の高い測定を行なうことが可能と
なる。
Therefore, in the present invention, an accurate calibration curve is created using a standard sample with a known concentration for each reagent loft, and the data of the calibration curve is encoded to support the test paper strip (2) impregnated with the reagent of that loft. They are individually displayed on the support (3) to be fixed. Therefore, when the test paper (1) of the present invention is used, the above-mentioned calibration curve calibration work is completely unnecessary, saving labor and speeding up the work, and eliminates measurement errors due to loft adhesion of reagents, resulting in always accurate and highly accurate measurements. becomes possible.

但し本発明の場合、検量線自体相対反射率を基準として
固定的に記録されているので、該相対反射率を得るため
の基準となる標準反射板内〔第2図〕(その相対反射率
を例えば100%と規定する)もしくはそれに相当する
ものを用いて、測定装置00の所謂出力較正を行なう必
要がある。ただこの操作は極めて簡単で、しかも多種類
の項目を測定する場合でもただ一枚の標準反射板(23
)をただ−変周いるだけでよく、操作者への負担はほと
んどががらない。
However, in the case of the present invention, the calibration curve itself is fixedly recorded based on the relative reflectance, so the relative reflectance is For example, it is necessary to perform so-called output calibration of the measuring device 00 using a value defined as 100%) or something equivalent thereto. However, this operation is extremely simple, and even when measuring many types of items, only one standard reflector (23
), it is enough to change the frequency, and there is almost no burden on the operator.

しかして測定装置n1では、前記検量線コード(fi 
11を読み取ってマイクロコンピュータa力に記憶させ
、呈色した試験紙片(2)からの反射光量からその相対
的反射率を算出し、検量線データに基づき濃度に換算し
、その結果を表示装置に表示あるいはプリントアウトす
る。
However, in the measuring device n1, the calibration curve code (fi
11 is read and stored in the microcomputer, the relative reflectance is calculated from the amount of reflected light from the colored test paper piece (2), it is converted to concentration based on the calibration curve data, and the result is displayed on the display device. Display or print out.

次に測定項目識別コード(52)は、その試験紙(1)
で検出定量される物質名を表示するものである。この識
別コード戦)は、測定者が目で見て判別できる前述の測
定項目表示(4)を読み取り装置(10で読み取り可能
なものとして設けておけば省略できるし、更に測定に際
し測定装置(+、L)の入カキ−で測定項目を入力する
ようにした場合も省略できる。
Next, the measurement item identification code (52) is the test paper (1).
This displays the name of the substance detected and quantified. This identification code code can be omitted by providing the measurement item display (4) that can be read by the reading device (10), which can be visually identified by the measuring person. , L) can also be omitted if the measurement items are input using the input keys.

測定波長に関する情報の識別コード(53)は、その試
験紙(1)の測定に好ましい測定波長を選ぶための指示
を行なうもので、通常はその波長の光を選択透過させる
フィルターQ0の指示を行なう。フィルター00はある
波長帯、通常は可視光(400〜800mμ)の範囲内
において更には赤外や紫外領域内において数〜十数側の
ものが選ばれ、装置o1のフィルターホルダー(ト)内
に納められている。尚、フィルターの指示は1個に限ら
ず複数個指示してもよい。
The identification code (53) of the information regarding the measurement wavelength is used to instruct the selection of a preferable measurement wavelength for the measurement of the test strip (1), and usually instructs the filter Q0 to selectively transmit light of that wavelength. . Filter 00 is selected from a certain wavelength range, usually within the range of visible light (400 to 800 mμ), and further within the infrared and ultraviolet regions, and is placed in the filter holder (g) of device o1. It is stored. Note that the number of filter instructions is not limited to one, and multiple filters may be specified.

特に主波長(濃度変化に対して反射光量変化の大きいも
の)と副波長(反射光量変化の小さいもの)を用い、前
者の反射率を後者の反射率で除した相対反射率を用いる
と呈色試験紙片(2)の厚みの補正を行なうことができ
る。
In particular, when using the main wavelength (those with a large change in the amount of reflected light relative to the change in concentration) and the sub-wavelength (those with a small change in the amount of reflected light), and using the relative reflectance obtained by dividing the reflectance of the former by the reflectance of the latter, coloring occurs. The thickness of the test paper piece (2) can be corrected.

測定波長の選択は、フィルターの指示以外に装置に組み
込んだ種々な波長の光を発するLEDやレーザー発光体
の作動を指示するものでもよい。
The measurement wavelength may be selected by not only instructing the filter but also instructing the operation of an LED or a laser emitter that emits light of various wavelengths built into the device.

尚、これらフィルターやLED等の指示は、別途式カキ
−α→によって行なうようにしてもよく、その場合識別
コード(63)を省略することができる。
Note that the instructions for these filters, LEDs, etc. may be made using a separate key -α→, in which case the identification code (63) can be omitted.

次に測定時間に関する情報の識別コード@4)は、反応
開始後測定を行なうまでの時間をマイクロコンピュータ
a枠に指示するもので、通常はEnd Pa1ntその
他反応の特徴が把握できる成る一点(例えば−公役等)
を指示するが(Fixed  timeassay法)
、血液中のBUN測定などの数項目は反応速度を見るた
めに複数の時間を指示する(Rate assay法)
こともある。
Next, the identification code @4) of the information regarding the measurement time is used to instruct the microcomputer frame a about the time from the start of the reaction until the measurement is carried out, and is usually an end point or other point where the characteristics of the reaction can be grasped (for example - civil servants, etc.)
(Fixed timeassay method)
, several items such as BUN measurement in blood require multiple times to check the reaction rate (Rate assay method)
Sometimes.

この職別コード(54)も、測定時間をキー人力する方
式を採用することにより省略できることは、前記各識別
コード晩)・(53)の場合と同様であるが、キー人力
の場合入力ミスや操作のわずられしさがあることは否め
ない。一方、検量線コード(ハ)1)についてもキー人
力を行なう方式の測定装置も考えられるが、情報量が前
王者に比べて多く操作に手間がかかつて実用的でない。
This occupation code (54) can also be omitted by adopting the method of manually inputting the measurement time, as in the case of each identification code (night) and (53) above. There is no denying that it is cumbersome to operate. On the other hand, for the calibration curve code (c) 1), a measuring device that requires manual input is also considered, but it is not practical as it requires more information than the previous model and requires more effort to operate.

以上は、本発明に係る呈色試験紙(1)の基本的形態に
係るものであって、その他種々な変形例が考えられる。
The above is a basic form of the color test paper (1) according to the present invention, and various other modifications are possible.

まず第4図は多項目測定用の試験紙(1)で、一枚の細
幅の支持体(3)に複数の試験紙片(2)・表示したも
のである0この試験紙(1)を用いると検体中の複数種
の特定成分の濃度が一回の測定で求められ測定の迅速化
が図れる。尚、夫々の識別コまとめてもよく同図(b)
の如く各試検紙片(2)・(2)・(2)・・・の近傍
に設けてもよい0尚いずれの場合も夫々の試験片(1)
で測定できる測定項目表示(4)を支持体(3)に設け
てもよい。そしてこれらの識別コードは、測定に先行し
て全ての識別コードを読みとってもよく、識別コードを
読み取りながら順次測定を行なうようにしてもよい0尚
コードの読み取りは、装置に固定された反射光センサや
手持ち式のバーコード・リーダ等任意の読取り装置が用
いられ、また装置固定の場合光源を反射率測定用の光源
07)と共用してもよい。
First of all, Figure 4 shows a test paper (1) for multi-item measurement, with multiple test paper pieces (2) displayed on a single narrow support (3). When used, the concentrations of multiple types of specific components in a sample can be determined in a single measurement, speeding up the measurement. In addition, each identification code may be summarized as shown in the same figure (b).
It may be placed near each test strip (2), (2), (2), etc., as shown in Figure 2. In either case, each test strip (1)
A measurement item display (4) that can be measured may be provided on the support (3). All of these identification codes may be read prior to measurement, or measurements may be performed sequentially while reading the identification codes.The codes may be read using a reflected light sensor fixed to the device. Any reading device such as a hand-held barcode reader or the like may be used, and if the device is fixed, the light source may also be used as the light source 07) for measuring reflectance.

次に第5図は、試験紙片(2)以外に標準反射片(6)
を支持体(3)上に固定した試験紙(1)の1例を示す
Next, Figure 5 shows a standard reflective strip (6) in addition to the test strip (2).
An example of a test paper (1) fixed on a support (3) is shown.

この標準反射片(6)は前述の標準反射板@’31の代
用品として用いられるもので、標準反射板i2:J]の
反射光強度を基準とする相対反射率が予め求められてお
り、その値を識別コード暖化しておき、測定に際してそ
の値を続み取って出力較正を行なうようにすると、前述
の標準反射板(23)による出力較正操作も不要になる
。この場合の識別コード(5(へ)は、該標準反射片(
6)の反射光強度から標準反射板(器)の反射光強度に
換算し、該換算した反射光強度を基準にして試験紙片の
相対反射率を求めるべき指示を含むものである。もつと
も、前述の標準反射板(?3)自体を大量に生産して各
試験紙(1)に設けた場合、その反射光強度自体が基準
になる。
This standard reflector (6) is used as a substitute for the standard reflector @'31 mentioned above, and the relative reflectance based on the reflected light intensity of the standard reflector i2:J] is determined in advance. If the value is warmed by the identification code and the value is subsequently used during measurement to perform output calibration, the output calibration operation using the standard reflector (23) described above becomes unnecessary. In this case, the identification code (5) is the standard reflective piece (
This includes instructions for converting the reflected light intensity in step 6) into the reflected light intensity of a standard reflector plate (vessel) and calculating the relative reflectance of the test paper piece based on the converted reflected light intensity. However, if the aforementioned standard reflector (?3) itself is produced in large quantities and provided on each test strip (1), the intensity of the reflected light itself becomes the standard.

尚、この標準反射片(6)を試薬担体と同様の吸水性物
質(p紙・布等)で構成し、測定に際して同(1に検体
を含浸ないし塗布し、両者(2)・(6)の反射光量を
用いて検体の着色の影響を消去するのに利用することも
できる。この場合、その識別コード(50には反射光量
の補正演算をなすべき指示が含まれる。
This standard reflective strip (6) is made of the same water-absorbing material (P paper, cloth, etc.) as the reagent carrier, and during measurement, the same (1) is impregnated or coated with the specimen, and both (2) and (6) are It can also be used to eliminate the influence of coloring of the specimen using the amount of reflected light.In this case, the identification code (50) includes an instruction to perform a correction calculation of the amount of reflected light.

第6図は、支持体(3)が細幅のストリップ以外のもの
を示す。まず第6図(a)は円板状の支持体(3)に試
験紙片(2)・(2)・・・が放射状に取付けられ、そ
の外周に数字で表わされた識別コード群(5)・(5)
・・・が設けられているものを示す。また第6図(b)
は、多層状の試験紙の如く全体に厚味がある場合で、こ
の時には識別コード群(5)は図の如(試験紙の側面に
設けることができる。もつともこの場合でも表面に表示
してもよいことはいうまでもない。更にこれらのコード
群(5)の内、検量線コード(51)以外は適宜省略し
てもよいことは前述の通りである〇尚、各識別コードは
バーコードや数字コードに限らず、文字その他の図形を
支持体(3)に直接あるいは貼着紙に印刷したもの、不
透明な支持体(3)にこれらの文字や図形を打抜き形成
したもの、色による区別その他反射光や透過光を用いて
読み取れる種々なコードが考えられる。更にレーザー光
を用い支持体(3)上の線刻模様データを読み取るとか
、磁気媒体に識別コードを記録し、測定に際して磁気ヘ
ッドで読み取るものも使用可能である。また上述の種々
なコードを組み合わせてもよく、表示個所も支持体(3
)のほか、反射光測定の妨げにならない個所であれば試
験紙片(2)自体に設けることも何ら差しつかえない。
FIG. 6 shows that the support (3) is other than a narrow strip. First, in Fig. 6(a), test strips (2), (2), etc. are attached radially to a disk-shaped support (3), and a group of identification codes (5 )・(5)
...indicates what is provided. Also, Figure 6(b)
In this case, the identification code group (5) can be provided on the side of the test paper as shown in the figure.However, even in this case, it cannot be displayed on the surface. It goes without saying that the code group (5) may be omitted as appropriate except for the calibration curve code (51).In addition, each identification code is a bar code. Not only numbers and codes, but also letters and other figures printed directly on the support (3) or on adhesive paper, letters and figures punched out on the opaque support (3), and distinguishable by color. Various other codes can be considered that can be read using reflected light or transmitted light.Furthermore, laser light may be used to read line pattern data on the support (3), or an identification code may be recorded on a magnetic medium and a magnetic head may be used for measurement. Codes that can be read with
), there is no problem in providing it on the test paper strip (2) itself as long as it does not interfere with the measurement of reflected light.

一方、支持体(3)や試薬担体の材質は、従来の各種試
験紙と同様、前者は主として透明ないし不透明なプラス
チック博板、後者は主として沖紙を用いるが、これらに
限定することなく紙、不織布、布、金属等同様の機能を
果すものならば如何なるものも使用可能である。更に試
薬は試薬担体に含浸させるもののほか、塗布、分散混合
等の手段で保持させてもよく、塗布の場合支持体自体に
直接行なうようにしてもよい。
On the other hand, the materials of the support (3) and the reagent carrier are similar to those of various conventional test strips: the former mainly uses transparent or opaque plastic board, and the latter mainly uses paper, but is not limited to these. Any material can be used as long as it performs the same function, such as non-woven fabric, cloth, metal, etc. Furthermore, in addition to impregnating the reagent carrier, the reagent may be retained by means such as coating or dispersion mixing, or in the case of coating, it may be applied directly to the support itself.

ところで、前記各実施例においては検量線データとして
検量線自体を表わすものを用いたが、検量線自体は考え
られる多くの曲線群として測定装fit 114のマイ
クロコンピュータ0オに予め記憶させておき、試験紙(
1)に記録する検量線データはその曲線群の中から、該
試薬の検量線と一致するものを選んでその窟をもって当
て、識別コード化するものも考えられる。但しこの場合
においては、新たな測定項目が増えた場合に対処できな
いきらいがある。
By the way, in each of the above embodiments, the calibration curve itself was used as the calibration curve data, but the calibration curve itself is stored in advance in the microcomputer 0 of the measurement device FIT 114 as a group of many possible curves. Test paper (
As for the calibration curve data to be recorded in 1), it is also possible to select a curve that matches the calibration curve of the reagent from the group of curves, apply it to the curve, and code it for identification. However, in this case, it may not be possible to cope with the increase in new measurement items.

次に第7図は曲記各例のものと異なり、検量線コード(
6I)をはじめ各種の識別コードを印刷したラベル(8
)を側面に読み取り可能な状態で貼着した反応容器(7
)である。(勿論印刷等により容器(7)に直接表示し
ておいてもよい)。この反応容器には所定量の試薬(9
yが予め収納されており、検体中の特定成盆の濃度測定
に際して所定量の検体を反応容器(7)に注入し、第8
図に例示する測定装置(10によって透過光強度(吸光
度)を測定し、検量線に従って濃度が算出され表示装置
θ]に表示される。この場合検量線コードは濃度対吸光
度(ないし透過率)で記憶されているが、各識コードの
役割、識別コードの形式は試験紙(1)の場合と同様で
ある。
Next, Figure 7 shows the calibration curve code (which is different from each example).
Labels (8) printed with various identification codes including 6I)
) on the side of the reaction vessel (7) in a readable manner.
). (Of course, it may be displayed directly on the container (7) by printing or the like). This reaction vessel contains a predetermined amount of reagent (9
A predetermined amount of sample is injected into the reaction container (7) when measuring the concentration of a specific concentration in the sample.
The measuring device illustrated in the figure (10 measures the transmitted light intensity (absorbance), the concentration is calculated according to the calibration curve, and is displayed on the display device θ). In this case, the calibration curve code is concentration versus absorbance (or transmittance). However, the role of each identification code and the format of the identification code are the same as in the case of test paper (1).

尚、反応容器(7)以外に、試薬瓶などの容器類に同様
に検量線コード(51)その他の識別コードを表示して
おき、測定を行なうに際してこのコードを読み取って装
置に記憶させるようにすることもできる。
In addition to the reaction container (7), containers such as reagent bottles should be similarly labeled with a calibration curve code (51) and other identification codes, so that this code can be read and stored in the device when performing measurements. You can also.

以上は、呈色反応を利用する濃度測定の場合を例にとっ
て説明したが、本発明は呈色試験に限らず散乱光や蛍光
を利用する各種分析手技、濃度測定以外の物性例えば酵
素活性値等各種試薬と検量線を用いる定量分析の分野に
おいて広く用いることができるものである。更に最近、
イオン選択膜層を含む多層構造の使い捨て式イオン活量
分析素子も開発されているが、このイオン選択層に用い
られるキャリヤー等を一種の試薬とみなすと、イオン活
量と電位差計の起電力との検量線データをこのイオン活
量分析素子の表面にコード化して表示することにより、
同様に装置における検量線較正操作を省略することがで
きる。
The above explanation has been given by taking the case of concentration measurement using a color reaction as an example, but the present invention is not limited to color tests, but also various analytical techniques using scattered light and fluorescence, physical properties other than concentration measurements, such as enzyme activity values, etc. It can be widely used in the field of quantitative analysis using various reagents and calibration curves. More recently,
A disposable ion activity analysis element with a multilayer structure including an ion-selective membrane layer has also been developed, but if the carrier used in this ion-selective layer is regarded as a type of reagent, the ion activity and the electromotive force of the potentiometer can be compared. By encoding and displaying the calibration curve data on the surface of this ion activity analysis element,
Similarly, the calibration curve calibration operation in the apparatus can be omitted.

以上説明したように、本発明は試薬のロフト毎に求めた
検量線のデータを識別コード化して、該試薬を収納ない
し保持する容器類、試薬担体、あるいは試薬担体に試薬
を含浸させた試験紙片等を支持固定する支持体などに、
光学的手段その他によって読み取り可能な状態で設けた
定量分析用の法に#*で極めて煩わしい標準溶液を用い
ての検量線較正操作がまったく不要になり著しい省力化
が図れるとともに、検量線較正時の操作ミスや試薬のロ
ンド同着に基づく測定誤差が完全に消去され、精度正確
度の優れた定量分析をなすことができる。
As explained above, the present invention converts the data of the calibration curve obtained for each reagent loft into an identification code, and converts the data into identification codes into containers for storing or holding the reagent, reagent carriers, or test paper strips in which the reagent carrier is impregnated with the reagent. For supports etc. that support and fix things, etc.
It is completely unnecessary to calibrate a calibration curve using a standard solution, which is extremely troublesome, for a method for quantitative analysis prepared in a state that can be read by optical means or other means. Measurement errors due to operational errors and reagent adhesion are completely eliminated, making it possible to perform quantitative analysis with excellent accuracy.

また新規な測定項目を追加するとか感度の優れた試薬が
新たに開発された場合、新たに試験紙や表示ラベル等を
作製するだけで対処できるので、測定装置の改良や新た
に購入するといった煩しい問題は生じず、任意自在に項
目追加や改幾新規試薬の採用ができ、臨床化学検査分野
をはじめ定量分析を必要とする分野において多大の貢献
をなすものである。
In addition, if a new measurement item is added or a reagent with excellent sensitivity is newly developed, this can be done simply by creating new test strips, display labels, etc., so there is no need to improve the measurement device or purchase a new one. There are no new problems, and items can be added and new reagents can be added at will, making a great contribution to fields that require quantitative analysis, including the field of clinical chemistry testing.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明に係る試験紙の1例を示す斜視図、第2
図は測定装置の1例を示す概略図、第3図は検量線の1
例を示すグラフ、第4図(a)・(b)、第5図、第6
図(a)・(b)は夫々他の例を示す試験紙の斜視図、
第7図は本発明に係る反応容器の1例を示す斜視図、第
8図は測定装置の概略図であるOl・・・試験紙 3・・・支持体 4・・・測定項目表示 51・51・51・・・検量線コード 6・・・・標準反射片 7・・・反応容器 8・・・ラベル 10・10・・・測定装置 11・・・読取り装置 特許出願人   株式会社京都第一科学3′1    
                   反射 卒 第2図 第3図 グ1しv−:4rYmXt
FIG. 1 is a perspective view showing one example of the test strip according to the present invention, and FIG.
The figure is a schematic diagram showing an example of a measuring device, and Figure 3 is a diagram of one example of a calibration curve.
Graphs showing examples, Figures 4(a) and (b), Figures 5 and 6
Figures (a) and (b) are perspective views of test strips showing other examples, respectively;
FIG. 7 is a perspective view showing an example of a reaction container according to the present invention, and FIG. 8 is a schematic diagram of a measuring device. 51・51...Calibration curve code 6...Standard reflective strip 7...Reaction container 8...Label 10/10...Measuring device 11...Reading device Patent applicant Kyoto Daiichi Co., Ltd. science 3'1
Reflection Figure 2 Figure 3 G1 v-:4rYmXt

Claims (1)

【特許請求の範囲】 1 試薬の検量線データを識別コード化したものを、該
試薬を収納ないし保持する容器類、試薬担体、更には試
薬担体に試薬を含浸させた試験紙片等を支持固定する支
持体などに、読み取り可能な状態で設けたことを特徴と
する分析用具。 2 試薬の検量データは、該試薬の検量線そのものを数
式、複数の測定点でできる折線などで表わしたものであ
る特許請求の範囲第1項記載の分析用具。 3 試薬の検量線データは、予め測定装置に記憶させで
ある複数の検量線のうち1つを指示するものである特許
請求の範囲第1項記載の分析用具。 4 検量線データとともに、定量される物質名を識別コ
ード化したものを読み取り可能な状態で設けてなる特許
請求の範囲第1項記載の分析用具。 5 検量線データとともに、反応開始後測定を行なうま
での時間の指示を識別コード化したものを、読み取り可
能な状態で設けてなる特許請求の範囲第1項記載の分析
用具。 6 測定時間の指示は成る一点を指示するものである特
許請求の範囲第5項記載の分析用具。 7 測定時間の指示は複数点指示するものである特許請
求の範囲第5項記載の分析用具。 8 反応の変化を光学的に測定する場合に、検量線デー
タとともに測定波長の指示を識別コード化したものを、
読み取り可能な状態で設けてなる特許請求の範囲第1項
記載の分析用具。 9 測定波長として、数種の波長を指示するものである
特許請求の範囲第8項記載の分析用具。 10  識別コードは、バーコード、数字・文字・その
他の図形コード、穿孔、線刻、色分はキの他光学的学的
を用いて読み取られるものである特許請求の範囲第1項
、第4項、第5項または第8項記載の分析用具0 11  識別コードは、磁気記録媒体に磁気的に記録さ
れるものである特許請求の範囲第1項、第4項、第5項
または第8項記載の分析用具。 12  識別コードは、試薬担体に試薬を含浸、分散あ
るいは塗布した試験紙片ないし試薬層を支持固定する支
持体に表示するものである特許請求の範囲第1項、第4
項、第5項または第8項記載の分析用具。 13  支持体の一部を試薬担体とするものである特許
請求の範囲第12項記載の分析用具。 14  一つの支持体に複数の試験紙片ないし試薬層を
設けるとともに、夫々の試薬に対応する検量線データの
識別コードを支持体に表示してなる特許請求の範囲第1
2項記載の分析用具。 15  標準反射片を支持体に支持固定してなる特許請
求の範囲第12項または第14項記載の分析用具。
[Scope of Claims] 1. Calibration curve data of a reagent converted into an identification code is supported and fixed on a container that stores or holds the reagent, a reagent carrier, and further a test paper strip in which the reagent carrier is impregnated with a reagent. An analysis tool characterized by being provided on a support or the like in a readable manner. 2. The analytical tool according to claim 1, wherein the calibration data of the reagent is expressed by the calibration curve itself of the reagent as a mathematical formula, a broken line formed by a plurality of measurement points, or the like. 3. The analysis tool according to claim 1, wherein the reagent calibration curve data indicates one of a plurality of calibration curves stored in the measuring device in advance. 4. The analysis tool according to claim 1, which is provided with a readable identification code of the name of the substance to be quantified together with the calibration curve data. 5. The analysis tool according to claim 1, which is provided with an identification code indicating the time from the start of the reaction until the measurement is performed, together with the calibration curve data, in a readable state. 6. The analysis tool according to claim 5, wherein the measurement time is indicated at one point. 7. The analysis tool according to claim 5, wherein the measurement time is indicated at a plurality of points. 8 When measuring reaction changes optically, identification codes containing measurement wavelength instructions along with calibration curve data are used.
An analysis tool according to claim 1, which is provided in a readable state. 9. The analysis tool according to claim 8, which indicates several wavelengths as measurement wavelengths. 10 The identification code is one that can be read using a bar code, a number/character/other graphic code, perforation, line marking, color separation, or other optical means.Claims 1 and 4 Claim 1, Claim 4, Claim 5, or Claim 8, wherein the identification code is magnetically recorded on a magnetic recording medium. Analytical tools listed in section. 12. The identification code is displayed on a support that supports and fixes a test paper strip or a reagent layer obtained by impregnating, dispersing, or applying a reagent to a reagent carrier. Claims 1 and 4
8. The analysis tool according to item 5 or 8. 13. The analysis tool according to claim 12, wherein a part of the support is a reagent carrier. 14 Claim 1, wherein a plurality of test paper strips or reagent layers are provided on one support, and identification codes of calibration curve data corresponding to each reagent are displayed on the support.
Analysis tool described in Section 2. 15. The analysis tool according to claim 12 or 14, which comprises a standard reflective piece supported and fixed on a support.
JP12043882A 1982-07-10 1982-07-10 Analytical implement Pending JPS5910850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12043882A JPS5910850A (en) 1982-07-10 1982-07-10 Analytical implement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12043882A JPS5910850A (en) 1982-07-10 1982-07-10 Analytical implement

Publications (1)

Publication Number Publication Date
JPS5910850A true JPS5910850A (en) 1984-01-20

Family

ID=14786204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12043882A Pending JPS5910850A (en) 1982-07-10 1982-07-10 Analytical implement

Country Status (1)

Country Link
JP (1) JPS5910850A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6145960A (en) * 1984-08-10 1986-03-06 Nippon Steel Corp Online calibration method of calibration curve for analyzing carbon in steel
JPS61206869U (en) * 1985-06-18 1986-12-27
JPH0225213A (en) * 1988-07-14 1990-01-26 Sky Alum Co Ltd Roll device
JP2006284279A (en) * 2005-03-31 2006-10-19 Jokoh Co Ltd System for selecting calibration curve when measuring color test paper
JP2010002398A (en) * 2008-06-23 2010-01-07 Horiba Ltd Analyzing device
WO2010058472A1 (en) * 2008-11-20 2010-05-27 アークレイ株式会社 Optical measurement device
US8277752B2 (en) 2008-11-20 2012-10-02 Arkray, Inc. Optical measurement apparatus
JP2012252019A (en) * 2012-09-10 2012-12-20 Arkray Inc Optical measurement device
JP2015010943A (en) * 2013-06-28 2015-01-19 株式会社デンケン Color measurement apparatus and color measurement program

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6145960A (en) * 1984-08-10 1986-03-06 Nippon Steel Corp Online calibration method of calibration curve for analyzing carbon in steel
JPS61206869U (en) * 1985-06-18 1986-12-27
JPH0225213A (en) * 1988-07-14 1990-01-26 Sky Alum Co Ltd Roll device
JP2006284279A (en) * 2005-03-31 2006-10-19 Jokoh Co Ltd System for selecting calibration curve when measuring color test paper
JP2010002398A (en) * 2008-06-23 2010-01-07 Horiba Ltd Analyzing device
WO2010058472A1 (en) * 2008-11-20 2010-05-27 アークレイ株式会社 Optical measurement device
US8277752B2 (en) 2008-11-20 2012-10-02 Arkray, Inc. Optical measurement apparatus
JP5089705B2 (en) * 2008-11-20 2012-12-05 アークレイ株式会社 Optical measuring device
US9417235B2 (en) 2008-11-20 2016-08-16 Arkray, Inc. Optical measurement apparatus
JP2012252019A (en) * 2012-09-10 2012-12-20 Arkray Inc Optical measurement device
JP2015010943A (en) * 2013-06-28 2015-01-19 株式会社デンケン Color measurement apparatus and color measurement program

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