JP2013516179A - 微小粒子を用いた生きた生物負荷の検出法 - Google Patents
微小粒子を用いた生きた生物負荷の検出法 Download PDFInfo
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Abstract
【選択図】図2C
Description
本出願は、2009年12月30日に出願された米国仮特許出願第61/291,301号、及び2010年5月6日に出願された同第61/331,931号の利益を主張するものであり、これらの仮特許出願は、参照によってその全体が本明細書に組み込まれる。
本明細書で使用する「生物学的検体」とは、生物内に生ずる、又は生物によって生成される分子、又はその誘導体を指す。例えば、生物学的検体としては、これらに限定されるものではないが、アミノ酸、核酸、ポリペプチド、タンパク質、ヌクレオチド、ポリヌクレオチド、脂質、リン脂質、糖類、多糖類、及びこれらの組み合わせのうちの少なくとも1つを挙げることができる。生物学的検体の具体例としては、これらに限定されるものではないが、代謝産物(例えば、ATPなどの小分子、又はプロテインAなどのポリペプチド)、アレルゲン(例えば、落花生アレルゲン)、ホルモン、毒素(例えば、Bacillus属下痢毒素、アフラトキシンなど)、RNA(例えば、mRNA、全RNA、tRNAなど)、DNA(例えば、プラスミドDNA、植物DNAなど)、タグ付きタンパク質、抗体、抗原、及びこれらの組み合わせを挙げることができる。
本開示による放出要素は、封入材料を含む。封入材料は、一般に、液体混合物(例えば、試料を含む水性混合物)の中への有効量の細胞抽出剤の即時溶解を所定の時間の間防止するための物理的バリア及び/又は拡散バリアとしての役割を果たす。
いくつかの実施形態において、化学的細胞抽出剤には、タンパク質(例えば、細胞溶解性ペプチド及び酵素)などの生化学物質が含まれる。いくつかの実施形態において、細胞抽出剤は、細胞の浸透性を高め、これにより細胞内部からの生物学的検体の放出を起こす。いくつかの実施形態において、細胞抽出剤は、細胞の溶解(例えば破裂又は部分的破裂)を起こすか又は促進することができる。
本開示の物品及び方法は、試料中の生物学的検体の検出法を提供する。いくつかの実施形態では、本物品及び方法は、試料中の生きた細胞からの生物学的検体の検出法を提供する。特定の実施形態では、本物品及び方法は、試料中の生きた微生物細胞の検出法を提供する。特定の好ましい実施形態では、本物品及び方法は、試料中の生きた細菌細胞の検出法を提供する。
本開示の方法では、液体試料中に存在する細胞と結合する細胞濃縮剤を使用する。細胞濃縮剤を液体試料と所定の時間接触させる。細胞は、共有結合又は非共有結合(例えば、疎水性又はイオン性相互作用)によって、あるいは共有結合と非共有結合との組み合わせによって細胞濃縮剤と結合することができる。細胞が細胞濃縮剤と結合した後、例えば、沈降、凝集、遠心、濾過、又はこれらの任意の組み合わせによって細胞濃縮剤を液体試料から除去することができる。
本開示は、試料中の微生物を検出するために使用することができる装置を提供する。装置は、少なくとも2個の貯留部を含み、その間に通路を有するハウジングと、ハウジングの第1の貯留部内に配置された任意の細胞濃縮剤と、ハウジング内の少なくとも2個の貯留部を隔離するための手段と、ハウジングの第1の貯留部から第2の貯留部へと細胞濃縮剤を移動させるための手段とを含むことができる。いくつかの実施形態では、ハウジングは、2個の貯留部を隔離するための手段(例えば、破断可能なシール)を含むことができる。いくつかの実施形態において、ハウジングは、細胞濃縮剤をハウジングの第1の貯留部から第2の貯留部へと移動させるための手段(例えば、弁)を含むことができる。いくつかの実施形態では、装置は、微生物を検出するための試薬を更に含むことができる。特定の実施形態では、装置は、細胞抽出剤を含む放出要素を更に含むことができる。細胞抽出剤は、微生物からの生物学的検体の検出を促進することができる。
本開示の方法は、有効量の細胞抽出剤への曝露後に、例えば、生きた微生物などの、生きた細胞から放出される生物学的検体を検出するための方法を含む。
本開示は、粒子状の細胞濃縮剤を濃縮するための装置を提供する。本方法は、液体試料の一部を液体試料中への粒子状物質の懸濁液から分離する装置を提供する工程を含む。好適な装置としては、例えば、図2A、図3A、図4A、図5A、図7A、及び図10Aに図示及び説明される装置が挙げられる。それぞれの装置は、粒子状の細胞濃縮剤を含む液体試料を収容するためのハウジングと粒子状細胞濃縮剤を液体試料の少なくとも一部から分離するための手段とを含む。
本開示の構成要素及び/又は装置は、使用説明書及び必要に応じて付属物品又は試薬とともにパッケージングすることによって、試料の調製及び検出キットとすることができる。したがって、一態様において、本開示は、i)少なくとも2個の貯留部を含み、その間に通路を有するハウジングと、ii)ハウジングの第1の貯留部を第2の貯留部から隔離するための手段と、iii)細胞濃縮剤と、iv)細胞濃縮剤を第1の貯留部から第2の貯留部に移動させるための手段とを備えるキットを提供する。第1の貯留部は、試料を受容するように構成された開口部を含む。第2の貯留部は、その内部に配置された検出試薬を含む。いくつかの実施形態において、ハウジングは、本明細書で記載されるように、第1の貯留部を第2の貯留部から隔離するための手段を更に含むことができる。いくつかの実施形態において、ハウジングは、細胞濃縮剤を第1の貯留部から第2の貯留部に移動させるための手段を更に含むことができる。いくつかの実施形態において、細胞濃縮剤は、ハウジングの第1の貯留部の中に配置される。
細菌培養は、特に断らないかぎり、すべてThe American Type Culture Collection(ATCC,Manassas,VA)より入手した。
ヒドロゲルの重合後のヒドロゲルビーズへの細胞抽出剤の取り込み
国際特許出願公開第2007/146722の実施例1に述べられるようにしてヒドロゲルビーズを調製した。国際特許出願公開2007/146722の実施例19に述べられるようにして乾燥させた後、実施例23に述べられるようにして活性溶液中に浸漬することによって活性ビーズを調製した。1gのビーズを60℃で2時間乾燥させて、ビーズから水を除去した。乾燥したビーズを2gのBARDAC 205M(Lonza Group Ltd.(Valais,Switzerland))の50%(w/v)水溶液中に少なくとも3時間〜一晩、室温で浸漬した。浸漬後、ビーズをブフナー漏斗に注いでビーズの水分を切り、次いで10〜20mLの蒸留水ですすいだ。ペーパータオルを押し付けることによって余分な水をビーズ表面から除去した。使用する前に、ビーズを室温で少なくとも2週間、ジャーに保存した。
微小粒子の使用による細胞濃縮、並びに細胞抽出剤を充填したヒドロゲル及びATP生物発光を利用した検出
3M(商標)CLEAN−TRACE表面ATPシステムを3M Company(St.Paul,MN)より入手した。大腸菌ATCC 51183の純粋培養物をトリプシン処理した大豆ブロス中に植菌して、37℃で一晩増殖させた。細菌培養物をButterfield緩衝液(pH 7.2±0.2;リン酸二水素カリウム緩衝液;VWR,West Chester,PA)中で約106又は105CFU/mLに希釈する。
ATP生物発光検出系を利用した一体型試料調製及び検出装置による微生物細胞の検出
この実施例では、図2に示されるような一体型の試料調製及び検出装置200を使用する。装置は、第1の貯留部220に約10mgのオートクレーブしたCM−111 3M Cosmetic Microspheresを備える。第2の貯留部224は、約0.6ミリリットルのCLEAN−TRACE表面ATPシステムからのルシフェラーゼ/ルシフェリン液体試薬溶液からなる液体検出試薬265を備える。第3の貯留部226は、PCT国際公開特許WO 2010/039627の調製例5に従って作製された2つのBARDAC 205Mビーズを備える。10ミリリットルの滅菌脱イオン水を、使用直前に一体型装置200の第1の貯留部220に加える。
ATP生物発光検出系を利用した一体型試料調製及び検出装置による微生物細胞の検出
この実施例では、図3に示されるような一体型試料調製及び検出装置300を使用する。弁アクチュエータ372は、使用に先だって、弁キャビティ374が第1の貯留部320と流体連通するように配置されている。装置は、第1の貯留部320に約10mgのオートクレーブしたCM−111 3M Cosmetic Microspheresを備える。第2の貯留部324は、約0.6ミリリットルのCLEAN−TRACE表面ATPシステムからのルシフェラーゼ/ルシフェリン液体試薬溶液からなる液体検出試薬365を備える。BARDAC 205Mビーズは、PCT国際公開特許WO 2010/039627の調製例5に従って作製される。10ミリリットルの滅菌脱イオン水を、使用直前に一体型装置300の第1の貯留部320に加える。
検出装置の調製:
I型の装置:これらの検出装置では、以下に述べる相違点を有する以外は図10Aのハウジングと同様のハウジングを構成した。以下の参照符合は、図10Aの対応する部材を示す。ハウジング1100の上側部分1012及び下側部分1014は、3M Clean−Trace(商標)表面ATP試験(3M Company(Bridgend,UK)から入手)から類似構成要素を使用して得た。破断可能なシール1068が結合された回収要素1067を、下側部分1014の上側部分に、破断可能なシール1068がハウジング1100の下側部分1014に面するようにして圧入した。上側部分1012は、ヒートガン(Master Appliances Corp,Racine,WI)を使用してbuyheatshrink.comより入手した、3:1ポリオレフィン2重壁の接着剤でライニングされた熱収縮フィルム(部品番号_HSC3A−050−cc、直径1.5cm)の2cmの切片を用いて下側部分1014と連結した。
I型装置を使用した、スパイク水からの粒子状濃縮剤による大腸菌の捕捉
トリプシン処理大豆寒天プレート(Becton Dickinson,Sparks,MD)から単離した大腸菌(ATCC 51813)の単離されたコロニーを使用して5mLのトリプシン処理大豆ブロス(Becton Dickinson,Sparks,MD)に植菌し、37℃のインキュベーター内で一晩インキュベートした。約109個のコロニー形成単位/mL(CFU/mL)を含む一晩培養物をフィルタ滅菌した18メガオームの水で1:10,000に希釈した(約105CFU/mLにまで、以後、「初期希釈懸濁液」と呼ぶ)。500マイクロリットルの希釈培養液を50mLのフィルタ滅菌した18メガオームの水に移し、約1000個/mLの最終濃度とした。
捕捉効率=(濃縮剤上のコロニー数)/(スパイクコントロール中の全コロニー数)×100
III型装置を使用したCM−111による大腸菌の濃縮
単離した大腸菌(ATCC 51813)のコロニーをストリークプレートから5mLのトリプシン処理した大豆ブロス(TSB、Becton Dickinson(Sparks,MD))に植菌し、37℃で18〜20時間インキュベートした。約109個のコロニー形成単位/mLのこの一晩培養物をフィルタ滅菌した脱イオン水(MilliQ,Millipore,MA)中で希釈し、10mLのフィルタ滅菌した脱イオン水中でスパイクして1×103個/mL及び1×104個/mL(全体で約1×104/mL cfu及び約1×105/mL cfu)の最終濃度を得た。スパイクした水を、10mgの予め滅菌した(121℃、15分)CM−111(Cosmetic Microspheres−111、3M Company,St Paul)の粉末及び100マイクロリットルの100倍吸着緩衝液(pH 7.2)の入ったIII型装置のハウジングに加えた。ハウジングを表面滅菌したパラフィルムで密封し、ロッキングプラットフォーム上に置いた。次いで、キャップした装置を、Thermolyne Vari Mix(商標)ロッキングプラットフォーム(Barnstead International,Iowa、14サイクル/分)上で5分間の接触時間にわたって室温(25℃)でインキュベートした。次いで装置を振盪させずに(重力によって粒子を沈降させるため)5分間静置し(ロッキング及び沈降の全経過時間=10分間)、パラフィルムを取り外して、II型装置のプランジャをハウジングに挿入し、ハウジングの底の方向に押し込むことによってバルク試料からCM−111粒子を分離した。プランジャが破断可能なシールを破ると、約0.1mLの液体試料に懸濁されたCM−111粒子は、ハウジングの第2の貯留部に移された。CM−111粒子を第2の貯留部から回収して、1.5mLの滅菌した微小遠心管に移した。体積100mLのBacTiter−Glo(商標)試薬(Promega,Madison,WI)をペレットに加え、VWR Fixed Speed Vortexミキサー上で5秒間(3200rpmで5秒)ボルテックスして混合し、卓上型ルミノメーター(FB12シングルチューブ型ルミノメーター、Berthold Detection Systems USA(Oak Ridge,TN))上で読み取った。大腸菌細胞の1×105個/mL及び1×106個/mLの懸濁液から100マイクロリットルの体積を試験することにより、ポジティブコントロール(「100%シグナル」)を調製した。結果は、下式によって計算し、下記表3にまとめた。
ATPシグナル捕捉効率(%)=(CM−111ペレットのRLU/100%シグナルからのRLU)×100
RLU=相対ルシフェラーゼ単位
II型装置を使用したCM−111による大腸菌の濃縮。
単離した大腸菌(ATCC 33090)のコロニーをストリークプレートから5mLのトリプシン処理した大豆ブロス(TSB、Becton Dickinson,Sparks,MD)に植菌し、37℃で18〜20時間インキュベートした。約108個のコロニー形成単位/mLのこの一晩培養物をフィルタ滅菌した脱イオン水(MilliQ,Millipore,MA)中で希釈し、10mLのフィルタ滅菌した脱イオン水中でスパイクして103個/mL(全体で約104cfu)の最終濃度を得た。スパイクした水を、10mgの予め滅菌した(121℃、15分)CM−111(Cosmetic Microspheres−111、3M Company,St Paul)の粉末及び100マイクロリットルの100倍吸着緩衝液が既に入っている装置に加えた。装置を表面滅菌したパラフィルムで密封し、ロッキングプラットフォーム上に置いた。キャップした装置を、Thermolyne Vari Mix(商標)ロッキングプラットフォーム(Barnstead International,Iowa、14サイクル/分)上で1分及び9分間(全経過時間=2分及び10分間)室温(25℃)でインキュベートした。
ATPシグナル捕捉効率(%)=(CM−111ペレットのRLU/約104個の全大腸菌からのRLU)×100
RLU=相対ルシフェラーゼ単位
II型装置を使用したAB−CM−111による大腸菌の濃縮
実施例8において述べた手順を用い、AB−CM(吸着緩衝液で処理したCM−111)の10mgの一定分量についても、10mLの水からの大腸菌の濃縮について試験を行った。接触時間を9分、1分として、POREXプランジャを使用してAB−CMを沈降させた。データを表5にまとめた。
比較例−非濃縮試料における大腸菌の検出。
現時点の技術水準における水試験法として、標準的なATP生物発光アッセイ(例えば、3M Company(St.Paul,MN)より入手可能な3M CLEANTRACE Water−Free ATP、カタログ番号AQF100)を用いて100マイクロリットルの水をATPについて試験する方法がある。
Claims (51)
- 試料中の細胞を検出する方法であって、該方法が、
細胞濃縮剤、細胞抽出剤を含む放出要素及び液体試料を提供することと、
前記液体試料と前記細胞濃縮剤とを所定の時間接触させることと、
前記液体試料の少なくとも一部から前記細胞濃縮剤を分離することと、
前記分離された細胞濃縮剤と前記放出要素とを含む液体混合物を形成する、ここで、前記細胞抽出剤は前記混合物中に放出される、ことと、
前記細胞からの生物学的検体を検出すること、を含む方法。 - 試料中の細胞を検出する方法であって、該方法が、
試料;細胞濃縮剤;細胞抽出剤を含む放出要素;第1及び第2の貯留部を備えたハウジングと前記試料を受容するように構成された開口部とを含む検出物品;及び前記細胞濃縮剤を分離して前記ハウジング内の第1の貯留部から第2の貯留部に移動させるための手段を提供することと、
前記ハウジングの前記第1の貯留部内の液体媒質の中で、前記試料と前記細胞濃縮剤とを接触させることと、
前記細胞濃縮剤を分離して前記ハウジング内の前記第2の貯留部に移動させることと、
前記分離された細胞濃縮剤と前記放出要素とを含む液体混合物を形成する、ここで、前記細胞抽出剤は前記混合物中に放出される、ことと、
前記細胞からの生物学的検体を検出することと、を含む方法。 - 試料中の細胞を検出する方法であって、該方法が、
試料;前記試料を受容するように構成された開口部と、細胞濃縮剤が収容された第1の貯留部と、細胞抽出剤を含む放出要素が収容された第2の貯留部とを有する検出物品;前記細胞濃縮剤を液体試料の少なくとも一部から分離するための手段;及び前記細胞濃縮剤を前記ハウジング内の前記第1の貯留部から前記第2の貯留部に移動させるための手段を提供することと、
前記ハウジングの前記第1の貯留部内の液体媒質中で前記試料と前記細胞濃縮剤とを接触させることと、
前記細胞濃縮剤を分離して前記ハウジングの前記第2の貯留部に移動させることと、
前記分離された細胞濃縮剤と前記放出要素とを含む液体混合物を形成する、ここで、前記細胞抽出剤は前記混合物中に放出される、ことと、
前記細胞からの生物学的検体を検出することと、を含む方法。 - 前記放出要素が、マトリックス、コーティングされた基材、又はシェル構造を含む、請求項1〜3のいずれか一項に記載の方法。
- 前記生物学的検体を検出することが、生きた細胞の存在を検出することを含む、請求項1〜4のいずれか一項に記載の方法。
- 前記生物学的検体を検出することが、検出系を使用することを含む、請求項1〜5のいずれか一項に記載の方法。
- 前記生物学的検体を検出することが、微生物細胞に関連する生物学的検体を検出することを含む、請求項1〜6のいずれか一項に記載の方法。
- 体細胞抽出剤を提供する工程と、該体細胞抽出剤を前記試料からの細胞と接触させる工程とを更に含む、請求項1〜7のいずれか一項に記載の方法。
- 前記生物学的検体を検出することが、前記生物学的検体の量を定量することを含む、請求項1〜8のいずれか一項に記載の方法。
- 前記生物学的検体の量が、2回以上定量される、請求項9に記載の方法。
- 1回目の時点において検出される前記生物学的検体の量が、2回目の時点において検出される前記生物学的検体の量と比較される、請求項10に記載の方法。
- 前記生物学的検体を検出することが、細胞からのATPを検出することを含む、請求項1〜11のいずれか一項に記載の方法。
- 前記細胞からのATPを検出することが、微生物細胞からのATPを検出することを含む、請求項12に記載の方法。
- 前記ATPを検出することが、細菌細胞からのATPを検出することを含む、請求項13に記載の方法。
- 前記細胞からのATPを検出することが、ルシフェリン及びルシフェラーゼが関与する反応においてATPを検出することを含む、請求項12〜14のいずれか一項に記載の方法。
- ATPを加水分解することが可能な酵素を準備する工程と、該酵素を前記試料の少なくとも一部と接触させる工程とを更に含む、請求項15に記載の方法。
- 前記生物学的検体を検出することが、前記生物学的検体を免疫学的に検出することを含む、請求項1〜11のいずれか一項に記載の方法。
- 前記生物学的検体を検出することが、前記生物学的検体を遺伝学的に検出することを含む、請求項1〜11のいずれか一項に記載の方法。
- 前記生物学的検体を検出することが、前記試料中の生きた細胞から放出される酵素を検出することを含む、請求項1〜11のいずれか一項に記載の方法。
- 前記酵素が、アデニル酸キナーゼ酵素を含む、請求項19に記載の方法。
- 前記生物学的検体を検出することが、比色測定法により、蛍光測定法により、電気化学的方法により、又は光量測定法により検出することを含む、請求項1〜20のいずれか一項に記載の方法。
- 一体型試料調製及び検出装置であって、
それらの間に通路を有する第1の貯留部と第2の貯留部とを含むハウジングと、
ここで、前記第1の貯留部は、試料を受容するように構成された開口部と、前記第1の貯留部内に配置された細胞濃縮剤とを含み、
ここで、前記第2の貯留部は、その内部に配置された検出試薬を含み、
前記第1の貯留部を前記第2の貯留部から隔離するための手段と、
前記細胞濃縮剤を前記第1の貯留部から前記第2の貯留部に移動させるための手段と、を含む、一体型試料調製及び検出装置。 - 前記細胞濃縮剤が、粒子状の又は分散された細胞濃縮剤を含む、請求項22に記載の装置。
- 前記ハウジングの前記第1の貯留部と前記第2の貯留部とを隔離するための手段が、プランジャ、弁、又は破断可能なシールを包含する、請求項22又は23に記載の装置。
- 前記細胞濃縮剤を前記ハウジングの前記第1の貯留部から前記第2の貯留部に移動させるための手段が、プランジャ、スワブ、又は弁を包含する、請求項22〜24のいずれか一項に記載の装置。
- 前記第1の貯留部が、テーパ形状の内壁を含む、請求項22〜25のいずれか一項に記載の装置。
- 細胞抽出剤を含む放出要素を更に含む、請求項22〜26のいずれか一項に記載の装置。
- 前記放出要素が、ビーズ、繊維、リボン、又はシートを含む、請求項27に記載の装置。
- 前記放出要素が、コーティングされた基材を含む、請求項27に記載の装置。
- 前記ハウジングが、前記第1の貯留部と前記第2の貯留部との間に配置された第3の貯留部を更に含む、請求項22〜29のいずれか一項に記載の装置。
- 前記放出要素が、前記第3の貯留部内に配置される、請求項30に記載の装置。
- 貯留部内に配置される体細胞抽出剤を更に含む、請求項22〜31のいずれか一項に記載の装置。
- プランジャを更に備える、請求項22に記載の装置。
- 前記プランジャが、流体経路を含む、請求項33に記載の装置。
- 前記流体経路が、その中に配置されたフィルタを含む、請求項34に記載の装置。
- 前記フィルタが、微多孔性フィルタを含む、請求項35に記載の装置。
- 前記プランジャが、スクレーパーを更に含む、請求項33に記載の装置。
- 前記スクレーパーが、前記スクレーパーの縁部と前記ハウジングとの間に液体を通過させるように構成される、請求項37に記載の装置。
- キットであって、
それらの間に通路を有する少なくとも2個の貯留部を含むハウジングと、
ここで、第1の貯留部は、試料を受容するように構成された開口部を含み、
ここで、第2の貯留部は、その内部に配置された検出試薬を含み、
前記第1の貯留部を前記第2の貯留部から隔離するための手段と、
細胞濃縮剤と、
前記細胞濃縮剤を前記第1の貯留部から前記第2の貯留部に移動させるための手段と、を含むキット。 - 前記ハウジングが、前記細胞濃縮剤を前記第1の貯留部から前記第2の貯留部に移動させるための手段を含む、請求項39に記載のキット。
- 前記細胞濃縮剤が、前記ハウジングの前記第1の貯留部の中に配置される、請求項39又は40に記載のキット。
- 前記細胞濃縮剤が、粒子状の又は分散された細胞濃縮剤を含む、請求項39〜41のいずれか一項に記載のキット。
- 微生物細胞抽出剤を含む放出要素を更に含む、請求項39〜42のいずれか一項に記載のキット。
- 体細胞抽出剤を更に含む、請求項43に記載のキット。
- 試料取得装置を更に備える、請求項39〜44のいずれか一項に記載のキット。
- プランジャを更に備える、請求項39〜45のいずれか一項に記載のキット。
- 前記プランジャが、流体経路を含む、請求項46に記載のキット。
- 前記流体経路が、その中に配置されたフィルタを含む、請求項47に記載のキット。
- 前記フィルタが、微多孔性フィルタを含む、請求項48に記載のキット。
- 前記プランジャが、スクレーパーを更に含む、請求項46に記載のキット。
- 前記スクレーパーが、前記スクレーパーの縁部と前記ハウジングとの間に液体を通過させるように構成される、請求項50に記載のキット。
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JP6993512B2 (ja) | 2018-06-26 | 2022-01-13 | 杭州優思達生物技術有限公司 | 一体化核酸検出方法及び検出試薬チューブ |
KR20200022188A (ko) * | 2018-08-22 | 2020-03-03 | 울산대학교 산학협력단 | 현장 진단용 장치를 이용한 병원체 농축 및 핵산 추출 방법 |
KR102136695B1 (ko) * | 2018-08-22 | 2020-07-22 | 주식회사 인퓨전텍 | 현장 진단용 장치를 이용한 병원체 농축 및 핵산 추출 방법 |
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BR112012016119A2 (pt) | 2016-05-31 |
CN102770208B (zh) | 2016-02-03 |
BR112012016119B1 (pt) | 2020-04-28 |
CN102770208A (zh) | 2012-11-07 |
WO2011082309A1 (en) | 2011-07-07 |
EP2519355B1 (en) | 2017-01-25 |
EP2519355A1 (en) | 2012-11-07 |
US9284593B2 (en) | 2016-03-15 |
US20130029324A1 (en) | 2013-01-31 |
JP5972174B2 (ja) | 2016-08-17 |
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