JP2020520454A - 連続流動システムにおける狭い滞留時間分布を維持する方法 - Google Patents
連続流動システムにおける狭い滞留時間分布を維持する方法 Download PDFInfo
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Abstract
Description
この代表的な実験において、目的は、低pH条件で、エンベロープを有するバクテリオファージウイルス(Phi6)の不活性動態を評価することであった。目標は、完全な不活性化に必要な暴露時間を決定することであった。
この研究の目的は、低pH条件下でのモノクローナル抗体製品の除去の研究に一般的に使用され、エンベロープを有するウイルスである、外因性マウス白血病ウイルス(XMuLV)のウイルス不活性動態を評価することであった。目標は、完全な不活性化に必要な暴露時間を決定することであった。
この研究の目的は、界面活性剤に基づくウイルス不活性動態を調べることであった。この代表的な実験では、2つの異なる濃度(0.1%v/vおよび1.0%v/v)の界面活性剤Triton X−100を使用して、バクテリオファージウイルスPhi6を不活性化した。目標は、完全な不活性化に必要な暴露時間を決定することであった。
この代表的な実験は、流体チャンネルに沿ってパケットを作製するための方法の使用を説明する。
この代表的な実施例は、滞留時間分布を決定するために使用される方法を与える。
この代表的な例は、インキュベーションチャンバーを介したウイルスの滞留時間分布を示す。システムは、実施例5に記載され図13に示されているようにセットアップされており、インキュベーションチャンバー内で流体パケットを作るための空気溜まりが実装された。
この代表的な例では、低pHウイルス不活性化を実行するための連続流動システムの使用について説明する。
この実施例では、パケットを作製する方法(実施例4)を使用して、連続インライン溶液調整を行った。
Claims (20)
- 軸方向長さを有する流体チャンネル内を流れる流体サンプルの狭い滞留時間分布を維持する方法であって、前記流体サンプルを、非混和性流体を前記流体チャンネル内に導入して前記流体サンプルを別個のパケットに分離する界面を作製することにより、前記流体チャンネル内で前記軸方向長さに沿って前記別個のパケットの状態で流すことを含む、方法。
- 前記流体サンプルが、前記流体チャンネル内で1〜2分の名目上の滞留時間を有する、請求項1に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で2〜4分の名目上の滞留時間を有する、請求項1に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で4〜6分の名目上の滞留時間を有する、請求項1に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で6〜8分の名目上の滞留時間を有する、請求項1に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で8〜10分の名目上の滞留時間を有する、請求項1に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で10〜15分の名目上の滞留時間を有する、請求項1に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で15〜30分の名目上の滞留時間を有する、請求項1に記載の方法。
- 標的分子を含むサンプル中の1つ以上のウイルスを不活性化する方法であって、前記方法は、前記標的分子を精製するプロセス中に、前記サンプルを、1つ以上のウイルス不活性剤と連続的に混合しながら、非混和性流体により分離された別個のパケットの状態で前記サンプルを流動チャンネル内に流すことを含む、方法。
- 標的分子を含む流体サンプル中の1つ以上のウイルスを不活性化する方法であって、前記流体サンプルをプロテインAアフィニティクロマトグラフィープロセスに供し、それにより溶出液を得;前記溶出液を軸方向流動チャンネルに連続的に移送して、1つ以上のウイルス不活性化剤を前記溶出液と混合し;前記溶出液を、前記ウイルスを不活性化するのに十分な時間、非混和性流体により分離された別個のパケットの状態で前記軸方向チャンネル内に流すことを含む、方法。
- 標的分子を含む流体サンプル中の1つ以上のウイルスを不活性化する方法であって、前記流体サンプルをイオン交換クロマトグラフィープロセスに供し、それにより溶出液を得;前記溶出液を軸方向流動チャンネルに連続的に移送して、1つ以上のウイルス不活性化剤を前記溶出液と混合し;前記溶出液を、前記ウイルスを不活性化するのに十分な時間、非混和性流体により分離された別個のパケットの状態で前記軸方向チャンネルに流すことを含む、方法。
- 前記流体サンプルが、前記流体チャンネル内で1〜2分の名目上の滞留時間を有する、請求項10に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で2〜4分の名目上の滞留時間を有する、請求項10に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で4〜6分の名目上の滞留時間を有する、請求項10に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で6〜8分の名目上の滞留時間を有する、請求項10に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で8〜10分の名目上の滞留時間を有する、請求項10に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で10〜15分の名目上の滞留時間を有する、請求項10に記載の方法。
- 前記流体サンプルが、前記流体チャンネル内で15〜30分の名目上の滞留時間を有する、請求項10に記載の方法。
- 前記標的が抗体またはタンパク質を含むFc領域である、請求項10に記載の方法。
- 軸方向の長さを有する流体チャンネルであって、前記流体チャンネルは、流体サンプルの複数の別個のパケットを含み、当該流体サンプルは、非混和性流体により分離され、標的分子および1つ以上のウイルスを含み、並びに1つ以上の不活性剤を含む、流体チャンネル。
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PCT/US2018/028102 WO2018208448A1 (en) | 2017-05-11 | 2018-04-18 | Method of maintaining narrow residence time distributions in continuous flow systems |
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WO2018208448A1 (en) | 2018-11-15 |
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