JP2016200431A - 固相反応チップ及びこれを用いた測定方法 - Google Patents
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Classifications
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- 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
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- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
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- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
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Abstract
少量の検体液での同時多項目測定が可能であり、迅速に且つ簡便な操作で検体液中に含まれる測定対象物質を検出することが可能な固相反応チップ及びこれを用いた測定方法を提供する。
【解決手段】
第1の基台部と第2の基台部とが積層されることにより形成される回転体と、回転体を収容可能に形成されたカバー部材と、回転体の外周面とカバー部材の内周面との間に吸液部材とを備え、第1の基台部はカバー部材を介し、第1の基台部と第2の基台部との間に形成された空隙に検体液を導入する開口部を有し、第2の基台部の第1の基台部に対峙する面には、検体液に含まれる測定対象物質に対して特異的結合能を有する複数の結合物質が固定化された固相反応チップ及びこれを用いた測定方法。
【選択図】 図1
Description
11 上部カバー
11a 周縁部
11b テーパー部
11c 円板部
11d 上部カバー開口部
12 下部カバー
12a 下部カバー内周面
20 吸液部材
20a 円環部周壁
30 回転体
30a 外周面
30b 空隙
30c 積層幅
31 第1の基台部
31a 円板部
31b 円環部
31c 開口部
32 第2の基台部
32a 円板部
32b 液体受部
32c 固定化領域
100 固相反応チップ
200 自動測定装置
201 分注ユニット201
202 遠心分離部
203 撮像部
204 操作部
205 画像解析部
206 測定結果生成部
207 制御部
Claims (11)
- 第1の基台部と第2の基台部とが積層されることにより形成される回転体と、
前記回転体を収容可能に形成されたカバー部材と、
前記回転体の外周面と前記カバー部材の内周面との間に吸液部材とを備え、
前記第1の基台部は前記カバー部材を介し、前記第1の基台部と前記第2の基台部との間に形成された空隙に検体液を導入する開口部を有し、
前記第2の基台部の前記第1の基台部に対峙する面には、前記検体液に含まれる測定対象物質に対して特異的結合能を有する複数の結合物質が固定化されていること
を特徴とする固相反応チップ。 - 前記空隙の容量は前記第1の基台部と前記第2の基台部との積層幅を調整することにより変更可能であること
を特徴とする請求項1に記載の固相反応チップ。 - 前記積層幅は0.05mm〜0.30mmの間の幅であること
を特徴とする請求項2に記載の固相反応チップ。 - 前記積層幅は0.08mm〜0.15mmの間の幅であること
を特徴とする請求項3に記載の固相反応チップ。 - 前記第1の基台部と前記第2の基台部とは、ポリエチレン、ポリカーボネート、ポリエチレンテレフタレート、塩化ビニル、ポリスチレン、ABS樹脂、ポリアミド、四フッ化エチレン、ポリプロピレン、不飽和ポリエステル、又はエポキシの何れかから製造されること
を特徴とする請求項1乃至請求項4の何れか1項に記載の固相反応チップ。 - 前記結合物質はI型アレルギー反応を誘発するアレルゲンであること
を特徴とする請求項1乃至請求項5の何れか1項に記載の固相反応チップ。 - 前記測定対象物はアレルゲン特異的抗体であること
を特徴とする請求項6に記載の固相反応チップ。 - 前記アレルゲン特異的抗体はIgE抗体であること
を特徴とする請求項7に記載の固相反応チップ。 - 前記結合物質はヒトパピローウィルスに由来するゲノムDNAプローブであること
を特徴とする請求項1乃至請求項5の何れか1項に記載の固相反応チップ。 - 前記測定対象物はヒトパピローウィルスに由来する遺伝子型であること
を特徴とする請求項9に記載の固相反応チップ。 - 第1の基台部と第2の基台部とが積層されることにより形成される回転体と、
前記回転体を収容可能に形成されたカバー部材と、
前記回転体の外周面と前記カバー部材の内周面との間に吸液部材とを備え、
前記第1の基台部は前記カバー部材を介し、前記第1の基台部と前記第2の基台部との間に形成された空隙に検体液を導入する開口部を有し、
前記第2の基台部の前記第1の基台部に対峙する面には、前記検体液に含まれる測定対象物質に対して特異的結合能を有する複数の結合物質が固定化された固相反応チップに対して、
前記開口部を介して前記検体液を導入し、前記測定対象物質と前記結合物質とを結合させる結合ステップと、
前記結合物質に結合した前記測定対象物質に対して特異的結合能を有し酵素活性を備えた生理活性物質を含む反応液を添加する添加ステップと、
前記開口部を介して洗浄液を導入後、固相反応チップを所定の回転数で回転させることで前記洗浄液を除去する除去ステップと、
前記生理活性物質における前記酵素活性を測定する測定ステップとを備えること
を特徴とする測定方法。
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