JP6533076B2 - 還元力の分析方法および還元力の分析試薬 - Google Patents
還元力の分析方法および還元力の分析試薬 Download PDFInfo
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- 239000003153 chemical reaction reagent Substances 0.000 title claims description 91
- 238000004458 analytical method Methods 0.000 title claims description 41
- 238000000034 method Methods 0.000 title claims description 10
- 239000000523 sample Substances 0.000 claims description 89
- 230000003287 optical effect Effects 0.000 claims description 36
- 150000002506 iron compounds Chemical class 0.000 claims description 25
- 102000009027 Albumins Human genes 0.000 claims description 18
- 108010088751 Albumins Proteins 0.000 claims description 18
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 17
- -1 cyanide compound Chemical class 0.000 claims description 16
- 210000004369 blood Anatomy 0.000 claims description 14
- 239000008280 blood Substances 0.000 claims description 14
- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical compound CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 claims description 12
- 229930182817 methionine Natural products 0.000 claims description 12
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 9
- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 claims description 9
- 229940116357 potassium thiocyanate Drugs 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000012472 biological sample Substances 0.000 claims description 6
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 claims description 4
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 3
- PANJMBIFGCKWBY-UHFFFAOYSA-N iron tricyanide Chemical group N#C[Fe](C#N)C#N PANJMBIFGCKWBY-UHFFFAOYSA-N 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 claims description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 2
- 210000003296 saliva Anatomy 0.000 claims description 2
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 claims description 2
- 210000004243 sweat Anatomy 0.000 claims description 2
- 210000001138 tear Anatomy 0.000 claims description 2
- 210000002700 urine Anatomy 0.000 claims description 2
- 239000000975 dye Substances 0.000 description 73
- 239000000243 solution Substances 0.000 description 39
- 238000006722 reduction reaction Methods 0.000 description 32
- 238000006243 chemical reaction Methods 0.000 description 30
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 28
- 150000001875 compounds Chemical class 0.000 description 24
- 239000003002 pH adjusting agent Substances 0.000 description 23
- 238000002835 absorbance Methods 0.000 description 17
- 238000002156 mixing Methods 0.000 description 15
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 10
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 10
- 239000012445 acidic reagent Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 210000002966 serum Anatomy 0.000 description 7
- 238000011534 incubation Methods 0.000 description 5
- 235000019260 propionic acid Nutrition 0.000 description 5
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 5
- 239000000872 buffer Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002504 physiological saline solution Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- FTOAOBMCPZCFFF-UHFFFAOYSA-N 5,5-diethylbarbituric acid Chemical compound CCC1(CC)C(=O)NC(=O)NC1=O FTOAOBMCPZCFFF-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000036542 oxidative stress Effects 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- NAVJNPDLSKEXSP-UHFFFAOYSA-N Fe(CN)2 Chemical class N#C[Fe]C#N NAVJNPDLSKEXSP-UHFFFAOYSA-N 0.000 description 1
- 239000006173 Good's buffer Substances 0.000 description 1
- 102000008100 Human Serum Albumin Human genes 0.000 description 1
- 108091006905 Human Serum Albumin Proteins 0.000 description 1
- 208000012902 Nervous system disease Diseases 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000008351 acetate buffer Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 229960002319 barbital Drugs 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000007979 citrate buffer Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- OXNSNGFUWQVOKD-UHFFFAOYSA-N iron(2+);dicyanide Chemical compound [Fe+2].N#[C-].N#[C-] OXNSNGFUWQVOKD-UHFFFAOYSA-N 0.000 description 1
- DXTCFKRAUYBHRC-UHFFFAOYSA-L iron(2+);dithiocyanate Chemical compound [Fe+2].[S-]C#N.[S-]C#N DXTCFKRAUYBHRC-UHFFFAOYSA-L 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000001044 red dye Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 239000013026 undiluted sample Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
-
- 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
- G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N2021/3196—Correlating located peaks in spectrum with reference data, e.g. fingerprint data
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Urology & Nephrology (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microbiology (AREA)
- Cell Biology (AREA)
- Biotechnology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Description
本発明の還元力の分析方法は、前述のように、試料の存在下、pH2.4以下の条件で、三価鉄化合物とシアン化合物とを含む色素試薬を還元する還元工程、および前記還元工程で得られた還元体のピーク波長を光学的に測定する光学測定工程を含むことを特徴とする。本発明の分析方法は、前記還元工程を、pH2.4以下の条件で行うことを特徴とし、その他の工程および条件は、特に制限されない。本発明の分析方法は、前述のように、前記反応系における光学シグナルのピーク波長のシフトを抑制できる。このため、本発明の分析方法は、ピーク波長のシフトを抑制する方法ということもできる。本発明において、前記還元工程の前記色素試薬の還元は、前記試料の還元力による還元である。前記光学測定工程において、「前記還元工程で得られた還元体」とは、前記色素試薬が還元されたものを意味する。
本発明の還元力の分析試薬は、前述のように、三価鉄化合物とシアン化合物とを含む色素試薬およびpH調整剤を含み、前記pH調整剤が、強酸性試薬であり、前記本発明の分析方法に使用することを特徴とする。本発明の分析試薬は、前記pH調整剤を含むことが特徴であって、その他の構成および条件は、特に制限されない。本発明の分析試薬は、例えば、本発明の分析方法の例示を援用できる。本発明の分析試薬は、例えば、分析キットということもできる。
アルブミンまたはメチオニンを含む試料において、ピーク波長のシフトが起きることを確認し、また、還元工程における還元液(反応液)のpHをpH2.4以下とすることにより、ピーク波長のシフトが抑制されることを確認した。
生理食塩水に、ヒト血清アルブミンを0.5g/Lとなるようなるように添加し、アルブミン試料を調製した。また、生理食塩水に、メチオニンを0.5g/Lとなるようなるように添加し、メチオニン試料を調製した。
蒸留水に、チオシアン酸カリウムを60mmol/L、塩化鉄(III)を0.25mmol/Lとなるように添加し、さらに、前記pH調整剤として、前記強酸性試薬である硫酸を30mmol/Lとなるように添加し、混合色素試薬2を調製した。そして、前記混合色素試薬1に代えて前記混合色素試薬2を用い、前記混合色素試薬2と前記アルブミン試料とを、80:1の割合(体積比)で混合した以外は、前記(1)と同様にして、370〜650nmの吸光度を測定した(実施例)。なお、前記還元液のpHは、pH2.1であった。コントロール1は、前記生理食塩水と前記混合色素試薬1とを、コントロール2は、前記アルブミン試料と前記混合色素試薬1とを、コントロール3は、前記生理食塩水と前記混合色素試薬2とを用いた以外は、同様にして、370〜650nmの吸光度を測定した。
異なるpH調整剤を用い、還元工程における還元液のpHをpH2.4以下とすることにより、アルブミンを含む試料において、ピーク波長のシフトが抑制されることを確認した。
本発明の還元力の分析方法を使用し、生体試料の還元力の分析ができることを確認した。
Claims (8)
- アルブミンおよびメチオニンの少なくとも一方を含む試料の存在下、pH2.4以下の条件で、三価鉄化合物とシアン化合物とを含む色素試薬を還元する還元工程、および前記還元工程で得られた還元体のピーク波長の光学的シグナルを光学的に測定する光学測定工程を含むことを特徴とする、還元力の分析方法。
- 前記色素試薬が、前記三価鉄化合物と前記シアン化合物とを含むシアン化物鉄錯体である、請求項1記載の分析方法。
- 前記シアン化物鉄錯体が、溶液である、請求項2記載の分析方法。
- 前記ピーク波長が、360〜630nmの範囲である、請求項1から3のいずれか一項に記載の分析方法。
- 前記三価鉄化合物が、塩化鉄(III)および硫酸鉄(III)の少なくとも一方である、請求項1から4のいずれか一項に記載の分析方法。
- 前記シアン化合物が、チオシアン酸化合物およびフェリシアン化合物の少なくとも一方である、請求項1から5のいずれか一項に記載の分析方法。
- 前記チオシアン酸化合物が、チオシアン酸カリウム、チオシアン酸ナトリウムおよびチオシアン酸アンモニウムからなる群から選択された少なくとも一つである、請求項6記載の分析方法。
- 前記試料が、血液、唾液、尿、涙および汗からなる群から選択された少なくとも一つの生体試料である、請求項1から7のいずれか一項に記載の分析方法。
Priority Applications (4)
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JP2015054883A JP6533076B2 (ja) | 2014-03-26 | 2015-03-18 | 還元力の分析方法および還元力の分析試薬 |
US14/665,440 US9546951B2 (en) | 2014-03-26 | 2015-03-23 | Reducing power analysis method and reducing power analysis reagent |
CN201510133118.6A CN104949966B (zh) | 2014-03-26 | 2015-03-25 | 还原力的分析方法以及还原力的分析试剂 |
EP15161034.2A EP2924433B1 (en) | 2014-03-26 | 2015-03-26 | Method of analysis of the reducing power of a biological sample |
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JP2014063735 | 2014-03-26 | ||
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JP2015054883A JP6533076B2 (ja) | 2014-03-26 | 2015-03-18 | 還元力の分析方法および還元力の分析試薬 |
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JP6533076B2 true JP6533076B2 (ja) | 2019-06-19 |
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US (1) | US9546951B2 (ja) |
EP (1) | EP2924433B1 (ja) |
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Family Cites Families (11)
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USRE29498E (en) * | 1972-05-12 | 1977-12-20 | Istituto Sieroterapico e Vaccinogeno Toscano "SCLAVO", S.p.A. | Process for the enzymatic determination of glucose with a glucose-oxydazed/peroxidazed enzyme system |
US5053429A (en) * | 1988-04-08 | 1991-10-01 | The Lithox Corporation, Inc. | Treating inflammatory pain with methionine |
US20030235571A1 (en) * | 2002-06-19 | 2003-12-25 | Gabriel Gojon-Romanillos | Systemic treatment of pathological conditions resulting from oxidative stress and/or redox imbalance |
EP1853894A1 (en) * | 2005-02-22 | 2007-11-14 | McGill University | Oxidative stress measurement device and related methods |
EP2271736A4 (en) * | 2007-12-19 | 2013-04-17 | Canada Natural Resources | ANTIOXIDANSE EXTRACT FROM FRUIT JUICES |
JP2009257909A (ja) * | 2008-04-16 | 2009-11-05 | Wismerll Co Ltd | 酸化ストレス度の分析装置 |
EP2362227A1 (en) | 2010-02-25 | 2011-08-31 | Cor.Con. International S.r.L. | Method for determining the antioxidant power of biological and vegetal fluids |
CN202442958U (zh) * | 2011-12-30 | 2012-09-19 | 东北农业大学 | 抗氧化物质的铁离子还原能力检测分析试剂盒 |
JP6437430B2 (ja) | 2012-03-23 | 2018-12-12 | サーモディクス アイヴィディ インコーポレイテッド | スルホン酸を含むインビトロの診断テスト用組成物および方法 |
CN103105426A (zh) * | 2013-01-16 | 2013-05-15 | 桂林中辉科技发展有限公司 | 尿糖的测定方法及该方法中使用的生物传感器 |
CN103642850A (zh) * | 2013-12-10 | 2014-03-19 | 江南大学 | 一种阿魏酸体外抗氧化活性的测定方法 |
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- 2015-03-18 JP JP2015054883A patent/JP6533076B2/ja active Active
- 2015-03-23 US US14/665,440 patent/US9546951B2/en active Active
- 2015-03-25 CN CN201510133118.6A patent/CN104949966B/zh active Active
- 2015-03-26 EP EP15161034.2A patent/EP2924433B1/en active Active
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JP2015194492A (ja) | 2015-11-05 |
US9546951B2 (en) | 2017-01-17 |
US20150276585A1 (en) | 2015-10-01 |
EP2924433A1 (en) | 2015-09-30 |
CN104949966B (zh) | 2018-01-02 |
EP2924433B1 (en) | 2020-10-07 |
CN104949966A (zh) | 2015-09-30 |
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