JP2022511044A - 流体の組成を繰り返し変更するための装置および方法 - Google Patents
流体の組成を繰り返し変更するための装置および方法 Download PDFInfo
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Abstract
Description
WO 2018/039163 A1は、卵白から異種タンパク質を精製する方法を開示している。
EP 3 116 552 A1は、連続的なウイルス不活化のための装置および方法を開示している。
EP 3 288 596 B1は、マイクロリアクターにおける連続的なウイルス不活化のための方法を開示している。
上記の目的は、特許請求の範囲において特徴付けられる態様で達成される。
本発明によれば、0.1μm未満の孔径について、液液置換法が使用される。この方法は、キャピラリーフローポロメトリーと類似している。しかしながら、この場合において、差圧の増加の関数として測定されるのは、ガスの流量ではなく、置換する液体の流量である(R. Davila, “Characterization of ultra and nanofiltration commercial filters by liquid-liquid displacement porosimetry”, 2013も参照)。
1、11 保持液チャネル
2、12 供給チャネル
3、13 透過液チャネル
4、14 第1の濾材
5、15 第2の濾材
6、16、24、27 供給媒体用入り口
7、10、23 流体用の透過液チャネルの入り口
8 ドウェルモジュールの入り口
8、17、32 流体用出口
9、18、25、28 透過液用出口
10 ドウェルモジュールの出口
19 第1のモジュール
20 ドウェルモジュール
21 第2のモジュール
22 デフレクタフィルム
26、29 pHセンサ
30 圧力センサ
31 バルブ
以下の出発材料が提供された。
送液(流体):3.5のpH値を有する、0.1Mクエン酸緩衝液中の20g/lウシ血清アルブミン(BSA)
供給液:2のpH値を有する0.1Mクエン酸緩衝液
目的:送液の再緩衝(緩衝液交換)および供給液を活用したpH3.5~pH2.5へのpH値の低下およびドウェルモジュールにおけるインキュベーション。
Claims (10)
- 流体の組成を繰り返し変更するための装置であって、流体の組成を変更するための第1のモジュール(19)、流体の組成を変更するための第2のモジュール(21)ならびに入り口(8)および出口(10)を備えたドウェルモジュール(20)を含み、
第1のモジュール(19)は流体導通様式でドウェルモジュール(20)の入り口(8)に接続され、ドウェルモジュール(20)の出口(10)は流体導通様式で第2のモジュール(21)に接続され、
第1のモジュール(19)または第2のモジュール(21)はフィルタユニットであるか、あるいは第1のモジュール(19)が第1のフィルタユニットであり、第2のモジュール(21)が第2のフィルタユニットであり、フィルタユニット(単数)および/またはフィルタユニット(複数)はそれぞれ
少なくとも1つの供給チャネル(2、12)、
少なくとも1つの第1の濾材(4、14)、
少なくとも1つの保持液チャネル(1、11)、
少なくとも1つの第2の濾材(5、15)、および
少なくとも1つの透過液チャネル(3、13)を有し、
第1の濾材(4、14)が供給チャネル(2、12)と保持液チャネル(1、11)を互いに区切り、第2の濾材(5、15)が保持液チャネル(1、11)と透過液チャネル(3、13)を互いに区切り、
供給チャネル(2、12)が流体導通様式で少なくとも1つの供給媒体用の入り口(6、16、24、27)に接続され、
保持液チャネル(1、11)が流体導通様式で少なくとも1つの流体用の入り口(7、10、23)および少なくとも1つの流体用の出口(8、17、32)に接続され、透過液チャネル(3、13)が流体導通様式で少なくとも1つの透過液用の出口(9、18、25、28)に接続されるように配置されている、
前記装置。 - 第1のモジュール(19)が第1のフィルタユニットであり、第2のモジュール(21)が第2のフィルタユニットである、請求項1に記載の装置。
- 第1または第2のモジュール(19、21)がスタティックミキサである、請求項1に記載の装置。
- 流体の組成を繰り返し変更するための方法であって、
(a)請求項1~3のいずれか一項に記載の装置を提供すること;
(b)流体を第1のモジュール(19)に送ること;および
(c)第2のモジュール(21)から流体を排出することを含み、
ここで、ステップ(b)および/またはステップ(c)は、以下のステップ:
(i)供給媒体を供給媒体用の入り口(6、16、24、27)に送ること;
(ii)流体を流体用の入り口(7、10、23)に送ること;
(iii)流体用の出口(8、17、32)から流体を排出すること、および
(iv)透過液用の出口(9、18、25、28)から透過液を排出すること、を含む、
前記方法。 - 第1のモジュール(19)に導かれる流体が、1以上の生成物および場合により1以上の不純物を含有する、請求項4に記載の方法。
- 第1のモジュール(19)において、流体のpH値が低下および/または上昇し、第2のモジュール(21)において、流体のpH値が上昇および/または低下する、請求項4または5に記載の方法。
- 第1のモジュール(19)において、流体のpH値が低下し、第2のモジュール(21)において、流体のpH値が上昇する、請求項6に記載の方法。
- ドウェルモジュール(20)内の流体のドウェルタイムが1分~24時間である、請求項4~7のいずれか一項に記載の方法。
- 第1のモジュール(19)が第1のフィルタユニットであり、第2のモジュール(21)が第2のフィルタユニットであり、
ステップ(b)が以下のステップ:
(b-i)供給媒体を供給媒体用の第1のフィルタユニットの入り口(6、24)に送ること;
(b-ii)流体を流体用の第1のフィルタユニットの入り口(7、23)に送ること;
(b-iii)流体を流体用の第1のフィルタユニットの出口(8)から排出すること;および
(b-iv)透過液を透過液用の第1のフィルタユニットの出口(9、25)から排出することを含み、
ステップ(c)が以下のステップ:
(c-i)供給媒体を供給媒体用の第2のフィルタユニットの入り口(16、27)に送ること;
(c-ii)流体を流体用の第2のフィルタユニットの入り口(10)に送ること;
(c-iii)流体を流体用の第2のフィルタユニットの出口(17、32)から排出すること;および
(c-iv)透過液を透過液用の第2のフィルタユニットの出口(18、28)から排出することを含む、
請求項4~8のいずれか一項に記載の方法。 - ウイルス不活化のための請求項1~3のいずれか一項に記載の装置の使用。
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PT2271382E (pt) * | 2008-04-15 | 2013-05-07 | Grifols Therapeutics Inc | Ultrafiltração em dois andares/diafiltração |
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US10792618B2 (en) * | 2018-06-19 | 2020-10-06 | Sartorius Stedim Biotech Gmbh | Particle separation and/or purification of a fluid |
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US20080237110A1 (en) * | 2004-05-21 | 2008-10-02 | Wisconsin Alumni Research Foundation | Membrane cascade-based separation |
DE102016004115A1 (de) * | 2016-04-05 | 2017-10-05 | Sartorius Stedim Biotech Gmbh | Crossflow-Filtrationseinheit zur kontinuierlichen Diafiltration |
US20170340795A1 (en) * | 2016-05-27 | 2017-11-30 | The Charles Stark Draper Laboratory, Inc. | Hemotransfiltration hollow fiber device |
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