JP3955911B2 - 尿中のアルブミン測定方法、尿中のアルブミン測定用指示薬、および尿中のアルブミン測定用試験片 - Google Patents
尿中のアルブミン測定方法、尿中のアルブミン測定用指示薬、および尿中のアルブミン測定用試験片 Download PDFInfo
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/84—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving inorganic compounds or pH
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
- G01N33/6803—General methods of protein analysis not limited to specific proteins or families of proteins
- G01N33/6827—Total protein determination, e.g. albumin in urine
- G01N33/6839—Total protein determination, e.g. albumin in urine involving dyes, e.g. Coomassie blue, bromcresol green
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Urology & Nephrology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Pathology (AREA)
- Cell Biology (AREA)
- Food Science & Technology (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Bioinformatics & Computational Biology (AREA)
- Biophysics (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Peptides Or Proteins (AREA)
Description
本参考例では、低濃度蛋白質を検出可能な指示薬のスクリーニングを行った。スクリーニングは、スクリーニング液に0.5mMとなるように対象化合物を添加し、その発色性を目視により観察することにより行った。スクリーニング液としては、0.7Mリンゴ酸緩衝液(pH2.2)に、アルブミン15mg/dL、ポリエチレングリコール0.5wt%を溶解させたものを使用した。対象化合物としては、市販されている種々の色素を用いた。その結果、下記化学式(2)−1〜(2)−5に示す5つの化合物について良好な発色が見受けられた。これらの化合物の入手先については、表1に示した通りである。
本実施例では、スクリーニングされた指示薬の感度を評価した。感度は、アルブミン濃度が0.3mg/dL(陰性)または15mg/dL(陽性)の尿を試験片に含浸させ、それぞれについて反射率を測定することにより行った。試験片は、表2に示した組成の含浸液を濾紙(Whatman社製「3MMChr」)に含浸させた後にそれを乾燥させることにより形成した。反射率は、色差計を用いて測定した。各サンプルの測定結果については、表3に示した。表3には、各サンプルの測定波長についても同時に示した。
Claims (9)
- 蛋白質測定用指示薬を用いて尿中のアルブミンを測定する方法であって、
蛋白質測定用指示薬として、下記化学式1または2で示される化学構造を有するものを使用する、尿中のアルブミン測定方法。
- 上記蛋白質指示薬は、当該蛋白質指示薬のpKa以下のpHにおいては、蛋白質が共存しない場合に無色〜淡橙色を呈する一方、蛋白質が共存する場合に赤〜紫色を呈するものである、請求項1に記載の尿中のアルブミン測定方法。
- アルブミン濃度が10〜20mg/dLの範囲にあるアルブミン含有試料において、アルブミン濃度を測定する、請求項1に記載の尿中のアルブミン測定方法。
- 尿中のアルブミンを測定するための指示薬であって、下記化学式1または2で示される化学構造を有する、尿中のアルブミン測定用指示薬。
- pKa以下のpHにおいては、蛋白質が共存する場合に無色〜淡橙色を呈する一方、蛋白質が共存する場合に赤〜紫色を呈するものである、請求項4に記載の尿中のアルブミン測定用指示薬。
- 尿中のアルブミンを定量または半定量するために使用される試験片であって、蛋白質定量指示薬として、下記化学式1または2で示される化学構造を有するものを使用する、尿中のアルブミン測定用試験片。
- 上記蛋白質指示薬は、当該蛋白質指示薬のpKa以下のpHにおいては、蛋白質が共存する場合に無色〜淡橙色を呈する一方、蛋白質が共存しない場合に赤〜紫色を呈するものである、請求項6に記載の尿中のアルブミン測定用試験片。
- 蛋白質に対する発色感度を高めるための増感剤をさらに含んでいる、請求項6に記載の尿中のアルブミン測定用試験片。
- 上記増感剤として、ポリエチレングリコールおよびポリプロピレングリコールのうちの少なくとも一方を含んでいる、請求項8に記載の尿中のアルブミン測定用試験片。
Applications Claiming Priority (3)
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JP2002233467 | 2002-08-09 | ||
JP2002233467 | 2002-08-09 | ||
PCT/JP2003/009888 WO2004015423A1 (ja) | 2002-08-09 | 2003-08-04 | 蛋白質測定方法、蛋白質測定用指示薬、および蛋白質測定用試験片 |
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JPWO2004015423A1 JPWO2004015423A1 (ja) | 2005-12-02 |
JP3955911B2 true JP3955911B2 (ja) | 2007-08-08 |
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JP2004527331A Expired - Lifetime JP3955911B2 (ja) | 2002-08-09 | 2003-08-04 | 尿中のアルブミン測定方法、尿中のアルブミン測定用指示薬、および尿中のアルブミン測定用試験片 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20060057730A1 (ja) |
EP (2) | EP2040074B1 (ja) |
JP (1) | JP3955911B2 (ja) |
CN (1) | CN100387992C (ja) |
AT (1) | ATE484747T1 (ja) |
AU (1) | AU2003252380A1 (ja) |
DE (1) | DE60334548D1 (ja) |
WO (1) | WO2004015423A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010223726A (ja) * | 2009-03-23 | 2010-10-07 | Shino Test Corp | 試料中のタンパク質の測定方法及び測定キット |
KR20210038137A (ko) * | 2019-09-30 | 2021-04-07 | 주식회사 청도제약 | 높은 민감도를 가진 소변 내 미세알부민 검출 시험 스트립 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US6933384B2 (en) * | 2003-01-16 | 2005-08-23 | The Regents Of The University Of California | Synthetic molecules for labeling histidine-rich proteins |
US7485466B2 (en) * | 2005-05-31 | 2009-02-03 | The Clorox Company | Protein detection system |
JP4733596B2 (ja) * | 2006-08-18 | 2011-07-27 | アークレイ株式会社 | 液体試料の総蛋白質を測定するための液状試薬 |
JP4733595B2 (ja) * | 2006-08-18 | 2011-07-27 | アークレイ株式会社 | 液体試料中のアルブミンを測定するための液状試薬 |
KR100967620B1 (ko) * | 2008-01-17 | 2010-07-05 | 전남대학교산학협력단 | 에오신 y를 함유하는 유기염료 조성물을 이용한폴리아크릴아미드 겔상의 단백질 검출방법 및 이를 위한유기염료 조성물 |
JP5318612B2 (ja) * | 2009-02-20 | 2013-10-16 | 大王製紙株式会社 | 清掃用シート |
CN102893159A (zh) * | 2010-05-17 | 2013-01-23 | 宝洁公司 | 经由检测蛋白质损失来检测和展示毛发损伤的方法 |
JP6608642B2 (ja) | 2014-08-07 | 2019-11-20 | アークレイ株式会社 | 尿試料の評価方法、分析装置及び分析システム |
WO2016038505A2 (en) | 2014-09-08 | 2016-03-17 | Indian Institute Of Science | Electrochemical biosensor and a method of sensing albumin and its complexes |
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JPS61164158A (ja) * | 1985-01-16 | 1986-07-24 | Aruboosu Yakushiyou Kk | 蛋白質検査用組成物 |
JPS6224150A (ja) * | 1985-07-24 | 1987-02-02 | Konishiroku Photo Ind Co Ltd | アルブミン測定用多層分析素子 |
US5049358A (en) * | 1988-09-30 | 1991-09-17 | Miles Inc. | Composition and test device for assaying for proteins |
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JPH10316877A (ja) * | 1997-05-15 | 1998-12-02 | Den Material Kk | 有色顔料、その製造方法及びそれを用いた化粧料 |
WO2000003242A2 (en) * | 1998-07-11 | 2000-01-20 | Bickar David A | Solid solventless protein assay with standards |
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2003
- 2003-08-04 DE DE60334548T patent/DE60334548D1/de not_active Expired - Lifetime
- 2003-08-04 WO PCT/JP2003/009888 patent/WO2004015423A1/ja active Application Filing
- 2003-08-04 US US10/523,865 patent/US20060057730A1/en not_active Abandoned
- 2003-08-04 EP EP08020298.9A patent/EP2040074B1/en not_active Expired - Lifetime
- 2003-08-04 JP JP2004527331A patent/JP3955911B2/ja not_active Expired - Lifetime
- 2003-08-04 CN CNB038190397A patent/CN100387992C/zh not_active Expired - Lifetime
- 2003-08-04 AT AT03784516T patent/ATE484747T1/de not_active IP Right Cessation
- 2003-08-04 EP EP03784516A patent/EP1536233B1/en not_active Expired - Lifetime
- 2003-08-04 AU AU2003252380A patent/AU2003252380A1/en not_active Abandoned
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010223726A (ja) * | 2009-03-23 | 2010-10-07 | Shino Test Corp | 試料中のタンパク質の測定方法及び測定キット |
KR20210038137A (ko) * | 2019-09-30 | 2021-04-07 | 주식회사 청도제약 | 높은 민감도를 가진 소변 내 미세알부민 검출 시험 스트립 |
KR102268024B1 (ko) * | 2019-09-30 | 2021-06-23 | 주식회사 청도제약 | 높은 민감도를 가진 소변 내 미세알부민 검출 시험 스트립 |
US11781992B2 (en) | 2019-09-30 | 2023-10-10 | Chungdo Pharm. Co., Ltd | Test strip for detecting microalbumin in urine with high sensitivity |
Also Published As
Publication number | Publication date |
---|---|
ATE484747T1 (de) | 2010-10-15 |
EP1536233B1 (en) | 2010-10-13 |
WO2004015423A1 (ja) | 2004-02-19 |
US20060057730A1 (en) | 2006-03-16 |
EP1536233A1 (en) | 2005-06-01 |
CN1675553A (zh) | 2005-09-28 |
EP2040074B1 (en) | 2013-04-24 |
EP1536233A4 (en) | 2006-09-20 |
JPWO2004015423A1 (ja) | 2005-12-02 |
CN100387992C (zh) | 2008-05-14 |
EP2040074A1 (en) | 2009-03-25 |
DE60334548D1 (en) | 2010-11-25 |
AU2003252380A1 (en) | 2004-02-25 |
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