WO2001036955A1 - Biodetecteur - Google Patents

Biodetecteur Download PDF

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Publication number
WO2001036955A1
WO2001036955A1 PCT/JP2000/008101 JP0008101W WO0136955A1 WO 2001036955 A1 WO2001036955 A1 WO 2001036955A1 JP 0008101 W JP0008101 W JP 0008101W WO 0136955 A1 WO0136955 A1 WO 0136955A1
Authority
WO
WIPO (PCT)
Prior art keywords
active units
lactonase
biosensor according
biosensor
substrate
Prior art date
Application number
PCT/JP2000/008101
Other languages
English (en)
French (fr)
Inventor
Takahiro Nakaminami
Motokazu Watanabe
Shin Ikeda
Shiro Nankai
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co., Ltd. filed Critical Matsushita Electric Industrial Co., Ltd.
Priority to DE60029127T priority Critical patent/DE60029127T2/de
Priority to EP00976304A priority patent/EP1235069B1/en
Priority to US09/959,571 priority patent/US6740215B1/en
Publication of WO2001036955A1 publication Critical patent/WO2001036955A1/ja

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Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/001Enzyme electrodes
    • C12Q1/005Enzyme electrodes involving specific analytes or enzymes

Claims

17 請 求 の 範 囲
1 . 絶縁性の基板、 前記基板上に配置された作用極および対極を含む電 極系、 並びに少なく とも酸化還元酵素、 親水性高分子および電子伝達体 を包含する試薬系を具備するバイオセンサであって、 前記試薬系が、 測 定対象の基質と前記酸化還元酵素との直接反応により生成する有機生成 物を他の化合物に変換する機能を有する物質を包含することを特徴とす るバイォセンサ。
2 . 前記試薬系が、 前記電極系上またはその近傍に設けられた請求の範 囲第 1項に記載のバイオセンサ。
3 . 絶縁性の基板、 前記基板上に配置された作用極および対極を含む電 極系、 前記基板上に配置されて前記基板との間に前記電極系への試料液 供給路を形成するカバー部材、 並びに前記試料液供給路に露出する部分 に設けられた試薬系を具備し、 前記試薬系が、 少なく とも酸化還元酵素. 親水性高分子、 電子伝達体、 および測定対象の基質と前記酸化還元酵素 との直接反応により生成する有機生成物を他の化合物に変換する機能を 有する物質を包含することを特徴とするバイオセンサ。
4 . 前記試薬系が前記電極系に接している請求の範囲第 3項に記載のバ ィォセンサ。
5 . 前記試薬系が、 p H緩衝剤を含む請求の範囲第 1 または 3項に記載 のバイォセンサ。
6 . 前記酸化還元酵素が /3— D —グルコースォキシダーゼ (E C
1 . 1 . 3 . 4 ) であり、 前記有機生成物である D —ダルコノー δ —ラ ク トンを他の化合物に変換する機能を有する物質がダルコノー δ —ラク トナーゼ (E C 3 . 1 . 1 . 1 7 ) である請求の範囲第 1 または 3項 に記載のバイォセンサ。 18
7. 前記グルコースォキシダーゼの活性ュニッ 卜数に対する前記ダルコ ノー <5—ラク トナーゼの活性ュニッ ト数の比が 0. 5〜 1 0である請求 の範囲第 6項に記載のバイォセンサ。
8. 前記グルコースォキシダーゼの活性ュニッ ト数に対する前記ダルコ ノー δ—ラク トナーゼの活性ユニッ ト数の比が 1〜 3である請求の範囲 第 6項に記載のバイオセンサ。
9. 前記酸化還元酵素がピロ口キノ リンキノン依存型グルコースデヒ ド ロゲナーゼ (E C 1. 1. 9 9. 1 7 ) であり、 前記有機生成物であ る D—グルコノー δ—ラク トンを他の化合物に変換する機能を有する物 質がダルコノー δ—ラク トナーゼ (E C 3. 1. 1. 1 7 ) である請 求の範囲第 1または 3項に記載のバイオセンサ。
1 0. 前記ピロ口キノ リンキノン依存型グルコースデヒ ドロゲナーゼの 活性ュニッ ト数に対する前記グルコノ— <5—ラク トナーゼの活性ュニッ ト数の比が 0. 5〜 1 0である請求の範囲第 9項に記載のバイォセンサ。
1 1. 前記ピロ口キノ リンキノン依存型グルコースデヒ ドロゲナーゼの 活性ュニッ ト数に対する前記グルコノ— δ—ラク トナーゼの活性ュニッ ト数の比が 1〜 3である請求の範囲第 9項に記載のバイオセンサ。
1 2. 前記酸化還元酵素がニコチンアミ ドアデニンジヌクレオチドまた はニコチンアミ ドアデニンジヌクレオチドリ ン酸依存型グルコースデヒ ドロゲナーゼ (E C 1. 1. 1. 4 7 ) (E C 1. 1. 1. 1 1 8 ) (E C 1. 1. 1. 1 1 9 ) であり、 前記有機酸化生成物である D 一ダルコノー δ—ラク トンを他の化合物に変換する機能を有する物質が ダルコノー <5—ラク トナーゼ (E C 3. 1. 1. 1 7 ) である請求の 範囲第 1または 3項に記載のバイオセンサ。
1 3. 前記ニコチンアミ ドアデニンジヌクレオチドまたはニコチンアミ ドアデニンジヌクレオチドリ ン酸依存型グルコースデヒ ドロゲナーゼの 19 活性ュニッ ト数に対する前記ダルコノー δ—ラク トナーゼの活性ュニッ 卜数の比が 0. 5〜 1 0である請求の範囲第 1 2項に記載のバイォセン サ。
1 4. 前記ニコチンアミ ドアデニンジヌクレオチドまたはニコチンアミ ドアデニンジヌクレオチドリ ン酸依存型グルコースデヒドロゲナーゼの 活性ュニッ ト数に対する前記ダルコノー 5—ラク トナーゼの活性ュニッ ト数の比が 1〜 3である請求の範囲第 1 2項に記載のバイオセンサ。
1 5. 前記 ρ Η緩衝剤によって発現される ρ Ηが 4〜 9である請求の範 囲第 5項に記載のバイォセンサ。
PCT/JP2000/008101 1999-11-16 2000-11-16 Biodetecteur WO2001036955A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE60029127T DE60029127T2 (de) 1999-11-16 2000-11-16 Biosensor
EP00976304A EP1235069B1 (en) 1999-11-16 2000-11-16 Biosensor
US09/959,571 US6740215B1 (en) 1999-11-16 2000-11-16 Biosensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32609799 1999-11-16
JP11/326097 1999-11-16

Publications (1)

Publication Number Publication Date
WO2001036955A1 true WO2001036955A1 (fr) 2001-05-25

Family

ID=18184077

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/008101 WO2001036955A1 (fr) 1999-11-16 2000-11-16 Biodetecteur

Country Status (7)

Country Link
US (1) US6740215B1 (ja)
EP (1) EP1235069B1 (ja)
CN (1) CN1162699C (ja)
AT (1) ATE331949T1 (ja)
DE (1) DE60029127T2 (ja)
ES (1) ES2267583T3 (ja)
WO (1) WO2001036955A1 (ja)

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EP1235069A4 (en) 2003-01-22
US6740215B1 (en) 2004-05-25
ATE331949T1 (de) 2006-07-15
DE60029127T2 (de) 2007-05-31
DE60029127D1 (en) 2006-08-10
ES2267583T3 (es) 2007-03-16
EP1235069B1 (en) 2006-06-28
CN1162699C (zh) 2004-08-18
EP1235069A1 (en) 2002-08-28
CN1355880A (zh) 2002-06-26

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