JP7691981B2 - 粒子のエレクトロポレーションのためのシステム - Google Patents
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Description
本出願は、2019年11月22日に出願された「END-TO-END CELL THERAPY BIOPROCESSING DEVICE FOR CONTINUOUS-FLOW ENRICHMENT, WASHING, AND ELECTROTRANSFECTION OF TARGET CELLS」という題名の米国仮特許出願第62/939,191号に対する米国特許法第119条(e)の優先権を主張し、その全体を参照により本明細書に組み込む。
(式中、Eは、電界の大きさであり、VABは、流体の流れの両端間の電圧降下であり、dは、流体の流れの幅である。)を用いて計算することができる。側方チャネルから受け入れたバッファー溶液は導電性が高いため、中央チャネル(例えば、エレクトロポレーションすべき細胞を包含するチャネル等)の両端間に起きる電圧降下は、電極間の電圧降下に概ね等しくなり得ると仮定することができる。
(式中、Eは、電界の大きさであり、VABは、流体の流れの両端間の電圧降下であり、dが、流体の流れの幅である。)を用いて計算することができる。側方チャネルから受け入れたバッファー溶液は導電性が高いため、中央チャネル(例えば、エレクトロポレーションすべき細胞を包含するチャネル等)の両端間に起きる電圧降下は、電極間の電圧降下に概ね等しくなり得ると仮定することができる。
Claims (13)
- 目的粒子を含む目的流体の流れを受け入れる入口チャネルと、
前記入口チャネルから前記目的粒子を含む目的流体の流れを受け入れ、前記目的粒子を、前記目的流体の流れから、カーゴ粒子を含むバッファー流体の流れに移動させる、音響泳動デバイスと、
前記音響泳動デバイスの下流側にあり、前記目的粒子及び前記カーゴ粒子を含むバッファー流体の流れを受け入れ、前記バッファー流体の流れに電界を印加して、前記バッファー流体の流れ中の前記目的粒子の一部に、前記カーゴ粒子の一部を吸収させる、エレクトロポレーションデバイスと、
前記エレクトロポレーションデバイスの入口に接続され、前記エレクトロポレーションデバイスが受け入れた前記バッファー液流の流れの導電率を測定し、前記導電率を示す信号をコントローラデバイスに供給するように構成される導電率センサと、
前記エレクトロポレーションデバイスから出力バッファー流体の流れを供給する、出口チャネルと
を備える、システム。 - 請求項1に記載のシステムであって、前記音響泳動デバイスは、
バッファー流体の供給源から前記カーゴ粒子を含むバッファー流体の流れを受け入れ、また、前記入口チャネルから前記目的流体の流れを受け入れる、中央チャネルと、
前記目的粒子を、前記目的流体の流れから第2のチャネル内の前記バッファー流体の流れに移動させる、前記中央チャネルに接続された圧電素子と
を備える、システム。 - 請求項1に記載のシステムであって、前記エレクトロポレーションデバイスは、
前記音響泳動デバイスから出た前記バッファー流体の流れ及び第2のチャネルから出た導電性バッファーの流れを受け入れる、中央チャネルと、
前記中央チャネルの一部に電気的に接続された、電流を供給する電極と
を備える、システム。 - 請求項1に記載のシステムであって、さらに、前記入力流体の流れ中の前記目的粒子がリンパ球であり、前記入力流体の流れが、赤血球、顆粒球又は単球のうち少なくとも1つが含まれる不要な粒子を含む、システム。
- 請求項1に記載のシステムであって、さらに、
前記目的粒子及び不要な粒子を含む入力流体の流れを受け入れる第2の入口チャネルと、
前記第2の入口チャネルから前記目的粒子及び前記不要な粒子を含む前記入力流体の流れを受け入れ、前記入力流体の流れを、前記目的粒子を含む目的流体の流れと、前記不要な粒子を含む不要な流体の流れとに分離する、音響分離デバイスと
を備える、システム。 - 請求項5に記載のシステムであって、
前記不要な流体の流れは、1つ以上のチャネルを介して廃棄物貯蔵器に輸送され、前記音響分離デバイスから出た前記目的流体の流れは、第2のチャネルを介して目的物貯蔵器内に輸送され、
前記システムは、さらに、前記目的物貯蔵器から前記入口チャネルを介して前記音響泳動デバイスに前記目的流体の流れを輸送する、ポンプを備える、システム。 - 請求項1に記載のシステムであって、さらに、
入力物用貯蔵器から前記入口チャネルを介して前記音響泳動デバイスに前記目的流体の流れを輸送する、第1のポンプと、
前記音響泳動デバイスから出た前記目的粒子及び前記カーゴ粒子を含むバッファー流体の流れを、中間チャネルを介して前記エレクトロポレーションデバイスに輸送する、第2のポンプと
を備える、システム。 - 請求項1に記載のシステムであって、前記入口チャネル、前記音響泳動デバイス、前記エレクトロポレーションデバイス又は前記出口チャネルのうちの2つ以上の間に、1個以上の仮置き用貯蔵器を備える、システム。
- 請求項1に記載のシステムであって、さらに、
前記出力物用チャネルから前記出力バッファー流体の流れを受け入れ、前記出力バッファー流体の流れ中の不要な粒子から、前記出力バッファー流体の流れ中の濃縮された目的粒子を分離する、分離デバイスと、
前記分離デバイスから、前記濃縮された目的粒子を受け取る、出力物用貯蔵器と
を備える、システム。 - 請求項1に記載のシステムであって、少なくとも前記入口チャネル、前記音響泳動デバイス、前記エレクトロポレーションデバイス又は前記出口チャネルの間の接続部が、ポリビニルクロリド管又はシリコーン管のうちの少なくとも1つを備える、システム。
- 請求項10に記載のシステムであって、さらに、少なくとも1つの前記接続部に接続された1個以上の流体キャパシタを備え、前記流体キャパシタは、前記システム内における流体の流量を調整するように構成される、システム。
- 請求項1に記載のシステムであって、さらに、前記目的流体の流れ、前記バッファー流体の流れ、又は前記出力バッファー流体の流れのうちの少なくとも1つの中における前記目的粒子又は不要な粒子の密度の値を表す信号をコントローラデバイスに送信するように構成された、1個以上のセンサを備える、システム。
- 請求項1に記載のシステムであって、さらに、前記入口チャネル、前記音響泳動デバイス、前記エレクトロポレーションデバイス又は前記出口チャネルのうちの少なくとも1つの中を通って流れる流体の流量又は導電率を表す信号をコントローラデバイスに送信する、1個以上のフローセンサを備える、システム。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962939191P | 2019-11-22 | 2019-11-22 | |
| US62/939,191 | 2019-11-22 | ||
| PCT/US2020/061571 WO2021102304A1 (en) | 2019-11-22 | 2020-11-20 | System for electroporation of particles |
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| JP2023503934A JP2023503934A (ja) | 2023-02-01 |
| JP7691981B2 true JP7691981B2 (ja) | 2025-06-12 |
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| EP4461803A1 (en) * | 2023-05-11 | 2024-11-13 | Cellectis S.A. | Modular electroporation method and system |
| KR20260006618A (ko) * | 2023-06-01 | 2026-01-13 | 후지필름 가부시키가이샤 | 일렉트로포레이션 방법, 유용 물질의 제조 방법, 유로 디바이스 및 일렉트로포레이션 장치 |
| CN116656744A (zh) * | 2023-06-08 | 2023-08-29 | 上海科技大学 | 微流控装置在细胞电穿孔或外源物质导入细胞中的用途 |
| WO2025230013A1 (ja) * | 2024-05-02 | 2025-11-06 | 富士フイルム株式会社 | エレクトロポレーション方法、有用物質の製造方法及びエレクトロポレーション装置 |
| CN118147127B (zh) * | 2024-05-10 | 2024-07-19 | 深圳市赛特罗生物医疗技术有限公司 | 一种大规模连续电转染方法及系统 |
| CN118240649B (zh) * | 2024-05-27 | 2024-07-30 | 深圳市赛特罗生物医疗技术有限公司 | 一种大规模连续性滤筛型细胞富集换液方法以及系统 |
| WO2026014458A1 (ja) * | 2024-07-10 | 2026-01-15 | 富士フイルム株式会社 | エレクトロポレーション方法、有用物質の製造方法及びエレクトロポレーション装置 |
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| US20190292565A1 (en) | 2018-03-20 | 2019-09-26 | The Charles Stark Draper Laboratory, Inc. | Acoustically-Driven Buffer Switching for Microparticles |
| US20190290829A1 (en) | 2016-07-28 | 2019-09-26 | The Charles Stark Draper Laboratory, Inc. | Acoustic separation for bioprocessing |
| US20190338235A1 (en) | 2018-05-01 | 2019-11-07 | The Charles Stark Draper Laboratory, Inc. | Method and Device for Exosomes Electroporation |
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| SE528313C2 (sv) * | 2004-09-24 | 2006-10-17 | Spectronic Ab | Metod och apparat för separering av partiklar med hjälp av ultraljudvågor |
| AU2006283177B2 (en) * | 2005-08-23 | 2011-11-17 | University Of Virginia Patent Foundation | Passive components for micro-fluidic flow profile shaping and related method thereof |
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| US8188438B2 (en) * | 2009-10-20 | 2012-05-29 | Diagnostics Chips, LLC | Electrokinetic microfluidic flow cytometer apparatuses with differential resistive particle counting and optical sorting |
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| US10914723B2 (en) * | 2017-04-28 | 2021-02-09 | The Charles Stark Draper Laboratory, Inc. | Acoustic separation of particles for bioprocessing |
| US11591561B2 (en) * | 2017-10-23 | 2023-02-28 | The Charles Stark Draper Laboratory, Inc. | Method and apparatus for electroporation of acoustically-aligned cells |
-
2020
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- 2020-11-20 WO PCT/US2020/061571 patent/WO2021102304A1/en not_active Ceased
- 2020-11-20 CN CN202080093953.0A patent/CN115413295A/zh active Pending
- 2020-11-20 US US17/100,379 patent/US20210155889A1/en active Pending
- 2020-11-20 CA CA3159149A patent/CA3159149A1/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190290829A1 (en) | 2016-07-28 | 2019-09-26 | The Charles Stark Draper Laboratory, Inc. | Acoustic separation for bioprocessing |
| JP2019527536A (ja) | 2016-07-28 | 2019-10-03 | ザ・チャールズ・スターク・ドレイパ・ラボラトリー・インコーポレイテッド | バイオプロセシングのための音響分離 |
| US20190292565A1 (en) | 2018-03-20 | 2019-09-26 | The Charles Stark Draper Laboratory, Inc. | Acoustically-Driven Buffer Switching for Microparticles |
| US20190338235A1 (en) | 2018-05-01 | 2019-11-07 | The Charles Stark Draper Laboratory, Inc. | Method and Device for Exosomes Electroporation |
Also Published As
| Publication number | Publication date |
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| JP2023503934A (ja) | 2023-02-01 |
| CA3159149A1 (en) | 2021-05-27 |
| CN115413295A (zh) | 2022-11-29 |
| US20210155889A1 (en) | 2021-05-27 |
| WO2021102304A1 (en) | 2021-05-27 |
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