JP6610858B2 - 試料作製装置および試料作製方法 - Google Patents
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Description
以下実施例により、詳しく本発明を説明するが、これらの実施例は説明のためのものであり、本発明の技術的範囲はこれらに限定されるものではない。
Le1用プライマー、Le1n02−5’5’−GCCCTCTACTCCACCCCCA−3’およびLe1n02−3’5’−GCCCATCTGCAAGCCTTTTT−3’、Le1用プローブ、Le1−Taq 5’FAM−AGCTTCGCCGCTTCCTTCAACTTCAC−TAMRA3’、
p35S用プライマー、P35S 1−5’5’−ATTGATGTGATATCTCCACTGACGT−3’およびP35S 1−3’5’−CCTCTCCAAATGAAATGAACTTCCT−3’、p35S用プローブ、P35S−Taq 5’VIC−CCCACTATCCTTCGCAAGACCCTTCCT−TAMRA3’。
定量に供するDNA溶液
ForwardおよびReverseプライマー0.5μM、
TaqManプローブ0.2μM
反応溶液の半量のUniversal Master Mix(Life technologies)
PCR反応条件は、以下の通り
50℃ 2分 →95℃ 10分 →(95℃ 30秒 →59℃ 1分) ×45 サイクル
9600emulationモード
Le1を用いた解析では、GMダイズMON89788(RRS2)定量用標準プラスミドpSCS(20,125,1500,20000,250000コピー/reaction)を用いて作成した検量線をもとに定量した。Threshold lineは、マニュアルモードに変更し、増幅曲線のLinear phase中に設定するために、非特許文献1あるいは、独立行政法人 農林水産消費安全技術センターのJAS分析試験ハンドブック「遺伝子組換え食品検査・分析マニュアル」IV 定量的PCR編の方法にしたがって決定した。
2 導電性基板(シリコン基板)
3 電極対(電気泳動電極対)
4 電流検出装置
5 分取装置
6 絶縁体(窒化シリコン)
7 貫通孔(ナノポア)
8 電源装置
9 試料(DNAやRNA等の核酸)
10 表示装置(ディスプレイ)
11 制御装置
Claims (3)
- 試料作製装置を用いて分子数測定済みの試料を作製する試料作製方法であって、
前記試料作製装置は、
絶縁体でコートされ、貫通孔が設けられた導電性基板と、
前記導電性基板を挟むように配置された電極対と、
前記電極対に接続され、試料が前記貫通孔を通過するときのイオン電流値の変化を測定する電流検出装置と、
前記貫通孔を通過した試料を分取する分取装置と、
を備え、
前記方法は、
前記電極間に電圧を印加することにより、電気泳動によって試料を貫通孔へ引き寄せ、
前記試料が前記貫通孔を通過するときのイオン電流値の変化を測定し、
前記イオン電流値の変化を測定することにより、前記貫通孔を通過した試料の分子数を測定し、
特定の個数の前記変化が測定された時点で前記電圧を切ることにより、規定分子数の試料を分取することを特徴とする方法。 - 前記貫通孔の直径は、3nm〜100nmに設定される、請求項1に記載の試料作製方法。
- 前記試料は、核酸分子であり、前記核酸分子には、DNAまたはRNAが含まれる、請求項1または請求項2に記載の試料作製方法。
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JP6714924B2 (ja) * | 2015-11-30 | 2020-07-01 | 国立大学法人大阪大学 | サンプル検出用デバイス、サンプル検出装置及びイオン電流の検出方法 |
US11333626B2 (en) * | 2016-02-22 | 2022-05-17 | Hitachi, Ltd. | Biological sample analysis chip, biological sample analyzer and biological sample analysis method |
JP6762494B2 (ja) * | 2016-02-29 | 2020-09-30 | 国立大学法人大阪大学 | エクソソームの形状分布の解析装置、がん検査装置、エクソソームの形状分布の解析方法、及びがん検査方法 |
EP3415608B1 (en) | 2017-06-14 | 2022-05-11 | Ricoh Company, Ltd. | Method for producing cell containing base |
EP3543351B1 (en) | 2018-03-19 | 2022-08-10 | Ricoh Company, Ltd. | Nucleic acid sample-contained container, method for producing nucleic acid sample-contained container, and nucleic acid sample |
WO2019203201A1 (ja) | 2018-04-19 | 2019-10-24 | ティーイーアイソリューションズ株式会社 | 流体チップ及び分析装置 |
JP7082020B2 (ja) | 2018-09-28 | 2022-06-07 | 株式会社アドバンテスト | ポアチップケースおよび微粒子測定システム |
JP7317311B2 (ja) * | 2018-12-18 | 2023-07-31 | 株式会社リコー | ライブラリー調製用デバイス |
CN110618184B (zh) * | 2019-10-17 | 2021-04-06 | 北京大学 | 一种高效毛细管电泳检测系统及用途 |
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