JP7075054B2 - アンモニア吸着剤およびアンモニアの除去方法 - Google Patents
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Description
本実施の形態に係るアンモニアの除去方法は、上述したアンモニア吸着剤を、アンモニア(アンモニウムイオン)に接触させることを含む。好ましくは、アンモニアを含有する溶液にアンモニア吸着剤を接触させることを含む。アンモニア吸着剤をアンモニアに接触させる方法は特に限定されないが、以下の態様が例示される。図1(A)~図1(D)は、実施の形態に係るアンモニアの除去方法を説明するための模式図である。以下では、培養液からのアンモニア除去を例に挙げて説明するが、他の溶液からのアンモニア除去についても同様に実施することができる。
塩化アンモニウム(富士フイルム和光純薬社)を純水に添加し、アンモニア(アンモニウムイオン)濃度10mMの水溶液を作製した。この水溶液のpHは7.2であった。そして、水溶液20mLを複数の50mL三角フラスコに分注した。また、各種の吸着剤0.5gを各フラスコの水溶液に添加した。したがって、吸着剤の濃度は0.025g/mLである。そして、37℃、150rpmで24時間振とうした。
セラミックス(SiO2:関東化学社)
活性炭(富士フィルム和光純薬社)
酸化金属(MgO:関東化学社)
L型ゼオライト(500KOA:東ソー社)
フェリエライト(720KOA:東ソー社)
モルデナイト(642NAA:東ソー社)
Y型ゼオライト(320NAA:東ソー社)
ZSM-5型ゼオライト(822HOA:東ソー社)
ポーラス型のH型強酸性陽イオン交換樹脂(PK216LH:三菱化学社)
ポーラス型のNa型強酸性陽イオン交換樹脂(PK216:三菱化学社)
ゲル型のNa型強酸性陽イオン交換樹脂(SK112L:三菱化学社)
プルシアンブルー型錯体(プルシアンブルー:関東化学社)
なお、モルデナイトおよびY型ゼオライトが保持する陽イオンはNaである。また、強酸性陽イオン交換樹脂におけるゲル型は、スチレンとジビニルベンゼンの重合体の三次元構造で構成される。ポーラス型は、ゲル型の三次元構造に物理的に孔を設けた多孔質構造で構成される。
吸着率(%)=[吸着前濃度-吸着後濃度]/吸着前濃度×100
塩化アンモニウム(関東化学社)とグルコース(関東化学社)とを純水に添加し、グルコース濃度1000ppm、アンモニア(アンモニウムイオン)濃度10mMの水溶液を作製した。この水溶液のpHは7.2であった。そして、水溶液20mLを複数の50mL三角フラスコに分注した。
多能性幹細胞用培地(StemFit AK02N:味の素社)に塩化アンモニウム(富士フイルム和光純薬社)を添加し、グルコース濃度250mg/mL、アンモニア(アンモニウムイオン)濃度10mMの培地を作製した。この培地20mLを複数の50mLチューブ(ThermoFisher Scientific社)に分注した。また、各種の吸着剤0.5g(0.025g/mL)を各チューブの培地に添加した。吸着剤には、L型ゼオライト(500KOA)、フェリエライト(720KOA)、ZSM-5型ゼオライト(822HOA)、ポーラス型のH型強酸性陽イオン交換樹脂(PK216LH)およびプルシアンブルー型錯体(プルシアンブルー)を用いた。そして、37℃、60回/分で24時間振とうした。
Claims (2)
- L型ゼオライト、ZSM-5型ゼオライト、およびH型強酸性陽イオン交換樹脂からなる群から選択される少なくとも1種の物質を含み、
アンモニアおよびグルコースを含有する、細胞または微生物の培養液に接触して、前記培養液中のアンモニアを吸着し、
前記培養液への添加量は、前記L型ゼオライトおよび前記ZSM-5型ゼオライトの場合はそれぞれ0.025g/mL以上0.1g/mL以下であり、前記H型強酸性陽イオン交換樹脂の場合は0.05g/mL以上0.1g/mL以下であることを特徴とするアンモニア吸着剤。 - 請求項1に記載のアンモニア吸着剤を、アンモニアおよびグルコースを含有する、細胞または微生物の培養液に接触させることを含むことを特徴とするアンモニアの除去方法。
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JP2018166843A JP7075054B2 (ja) | 2018-09-06 | 2018-09-06 | アンモニア吸着剤およびアンモニアの除去方法 |
PCT/JP2019/033126 WO2020050069A1 (ja) | 2018-09-06 | 2019-08-23 | アンモニア吸着剤およびアンモニアの除去方法 |
EP19858373.4A EP3848452A4 (en) | 2018-09-06 | 2019-08-23 | AMMONIA ADSORPTION AGENTS AND AMMONIA REMOVAL METHODS |
US17/178,470 US20210178359A1 (en) | 2018-09-06 | 2021-02-18 | Ammonia adsorbent and method for removing ammonia |
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JP7274170B2 (ja) * | 2019-05-17 | 2023-05-16 | 日機装株式会社 | 被処理液の再生方法および被処理液の再生装置 |
US20230313144A1 (en) * | 2020-09-03 | 2023-10-05 | Jichi Medical University | Detoxified secretome extract made from culture supernatant of mesenchymal stem cells or progenitor cells derived from the mesenchymal stem cells, and method for producing same |
JP2022042724A (ja) * | 2020-09-03 | 2022-03-15 | 日機装株式会社 | 被処理液の再生方法および被処理液の再生剤 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009072129A (ja) | 2007-09-21 | 2009-04-09 | Hitachi Plant Technologies Ltd | 生体細胞の分離装置、培養装置及び生体細胞の分離方法 |
WO2011034039A1 (ja) | 2009-09-16 | 2011-03-24 | 株式会社エムシープロット・バイオテクノロジー | ヘリコバクター・ピロリの除菌剤及び除菌方法 |
WO2015186819A1 (ja) | 2014-06-06 | 2015-12-10 | 国立研究開発法人産業技術総合研究所 | アンモニア吸着材 |
JP2017104778A (ja) | 2015-12-07 | 2017-06-15 | 国立大学法人広島大学 | アンモニア除去材料、アンモニア除去方法及び燃料電池自動車用水素ガスの製造方法 |
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US5013335A (en) * | 1987-06-30 | 1991-05-07 | Uop | Process for sequestering ammonia and the odor associated therewith |
US5071561A (en) * | 1989-02-24 | 1991-12-10 | Bend Research, Inc. | Ammonia removal from mammalian cell cultures |
EP3109314A4 (en) | 2014-02-17 | 2017-03-08 | Asahi Kasei Kabushiki Kaisha | Cell culturing device |
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JP2009072129A (ja) | 2007-09-21 | 2009-04-09 | Hitachi Plant Technologies Ltd | 生体細胞の分離装置、培養装置及び生体細胞の分離方法 |
WO2011034039A1 (ja) | 2009-09-16 | 2011-03-24 | 株式会社エムシープロット・バイオテクノロジー | ヘリコバクター・ピロリの除菌剤及び除菌方法 |
WO2015186819A1 (ja) | 2014-06-06 | 2015-12-10 | 国立研究開発法人産業技術総合研究所 | アンモニア吸着材 |
JP2017104778A (ja) | 2015-12-07 | 2017-06-15 | 国立大学法人広島大学 | アンモニア除去材料、アンモニア除去方法及び燃料電池自動車用水素ガスの製造方法 |
Non-Patent Citations (1)
Title |
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NAYVE, FR Jr., et al.,Selective removal of ammonia from animal cell culture broth.,Cytotechnology,1991年,Vol.6, No.2,pp.121-130 |
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