JP5173406B2 - 生体高分子のクロマトグラフ分離のための複合吸収剤材料の製造方法 - Google Patents
生体高分子のクロマトグラフ分離のための複合吸収剤材料の製造方法 Download PDFInfo
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- JP5173406B2 JP5173406B2 JP2007505564A JP2007505564A JP5173406B2 JP 5173406 B2 JP5173406 B2 JP 5173406B2 JP 2007505564 A JP2007505564 A JP 2007505564A JP 2007505564 A JP2007505564 A JP 2007505564A JP 5173406 B2 JP5173406 B2 JP 5173406B2
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Classifications
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- C12N15/101—Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor by means of a solid support carrier, e.g. particles, polymers by chromatography, e.g. electrophoresis, ion-exchange, reverse phase
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Description
[A]は、少なくとも1つの重合可能な不飽和部分を有する、少なくとも1つの芳香族または脂肪族化合物であり、
[B]は、少なくとも1つの架橋可能な芳香族または脂肪族化合物であり、
「M」は、C−C鎖においてまたは側鎖においてヘテロ原子を有する、[A]とは異なる有機不飽和重合可能な化合物である。)を重合する方法により得ることのできるポリマーであり、前記方法が、
成分[A]、[B]、および[M]を順次にまたは非順次に混合するステップ、
得られた混合組成物を重合するステップ、
未反応材料を除去するステップ、ならびに
複合材料を回収および乾燥するステップ、
を含む、前記ポリマーにより解決される。
{[A]x−[B]y−[M]z}p
(ここで、[A]、[B]、および[M]は、請求項1におけるものと同じ意味を有し、x、yおよびzは、互いに独立に、1〜100の整数であり、pは、2〜5000の数である。)を含む。
b)一般式
c)場合によって、一般式
B:粒子直径:40nm;SiO2濃度:40質量%;Na+−安定化pH:9.2。
B:粒子直径:80nm;SiO2濃度:50質量%;Na+−安定化pH:9.1。
水銀空隙率測定法
マクロ細孔シリカゲルをベースとした吸収剤材料をテストすることにより得られるポログラムは、微分および積分法における細孔分布を示し、吸収剤材料の平均細孔径に加えてポリマー層の有効厚さ(5〜7.5nm)を決定することを可能にする。
キットは、細胞または組織の溶解およびゲノムDNA精製のために全て必要な試薬を含む。得られるDNAは、殆どの酵素反応(制限消化、PCR、解読等)に適している。
全てのキット成分は、輸送の間、室温で安定である。到着後は、キットを、+2℃〜+8℃で貯蔵する。カラムは、室温で貯蔵されてもよい。
緩衝液G1 10バイアル(青)、各5単離に対して
緩衝液G2 10バイアル(青)、各5単離に対して
Nexttec透明カラム 50カラム
エッペンドルフ管(1.5ml)
Tris−HCl、50mM、pH8
1.使用直前に、1.6mlの脱イオン水を、凍結乾燥された緩衝液G1を伴う管に添加する。管を渦巻き状に回転して構成成分を溶解する。
2.管の底部で成分を収集するために、緩衝液G2を含む管を短時間遠心分離に掛ける。
3.緩衝液G1の溶液を、緩衝液G2の1アリコート(管)に完全に移す。
4.緩衝液を混合して均質溶液を得る。
5.混合物は、組織または細胞溶解に必要な全ての成分を含み、直ぐ使える状態にある。混合物は、5単離に対して十分である。(混合物は、直ぐに使用されるべきである。したがって、分析されるサンプルの数に対して必要とされる量の緩衝液だけを調製する。)
1.細胞または組織サンプルを、エッペンドルフ管(<15mgの初期重量)に移す。
2.300μlの溶解緩衝液混合物(緩衝液の調製を参照されたい)を、各細胞または組織サンプルに添加する。
3.サンプルを、エッペンドルフ熱混合機において、〜800rpmで定常振盪しながら、60℃で一晩中培養する。(新鮮な組織が使用される場合は、完全溶解のためには、短い培養期間で十分である。)
4.20,000×gで3分間の遠心分離により溶解物を透明にする。
5.DNA精製のために、透明な上澄み液から120μlを採取する。残りの溶解物は、−20℃で貯蔵することができる。
6.回転カラムを開け、300μlのTris−HCl緩衝液(50mM、pH8.0)を、各カラム上に添加する。(緩衝液は、樹脂に入る。)
7.カラムを、350×g(小型遠心機の24−位置エッペンドルフローターにおける約2,000rpmに相当する)で1分間の遠心分離に掛け、過剰の緩衝液を除去する。
8.緩衝液で収集管を廃棄し、カラムを、新しいエッペンドルフ管中に入れ、カラムを開く。
9.ステップ4からの120μlの透明な上澄み液をカラム上に移し、蓋を閉める。(溶解物は、樹脂層に入る。)
10.カラムを室温で3分間培養する。
11.カラムを伴う管を、700×g(小型遠心機の24−位置エッペンドルフローターにおける約3,000rpmに相当する)で1分間回転する。
12.貫流は、精製されたDNAを含む。カラムを廃棄し、DNAを直ぐに使用するか、DNAを−20℃で貯蔵する。
キットは、バクテリア細胞の溶解およびDNA精製に全て必要な試薬を含む。それは、多数のグラム(−)およびグラム(+)バクテリアに対して承認される。得られるDNAは、殆どの酵素反応(制限消化、PCR、解読等)に適している。
全てのキット成分は、輸送の間、室温で安定である。到着後は、RNase溶液を、−20℃で貯蔵する。その他のキット成分は、+2℃〜+8℃で貯蔵されなければならない。Nexttec透明カラムは、室温で貯蔵されてもよい。
緩衝液B1(基準緩衝液) 5バイアル(白)、各10単離に対して
緩衝液B2 5バイアル(白)、各10単離に対して
緩衝液B3 5バイアル(白)、各10単離に対して
Nexttec透明カラム 50カラム
RNase溶液 1バイアル(白)、50単離に対して
リゾチーム
エッペンドルフ管(1.5ml)
Tris−HCl、50mM、pH8
6.純水における25mg/mlのリゾチーム溶液を調製する(例えば、Sigma社のKat.−Nr.L−6876または類似物の凍結乾燥リゾチームを使用)。溶解したリゾチームは、−20℃で凍結貯蔵しなければならない。
7.緩衝液B1(基準緩衝液)を伴う各バイアルは、10個のDNA調製に対して十分である。使用直前に、110μlのリゾチーム貯蔵溶液(20mg/ml)および220μlのRNase溶液を添加して緩衝液を完成する。管を渦巻き状に混合する。
8.管の底部で成分を収集するために、緩衝液B2を含むバイアルを短時間遠心分離に掛け、次いで、550μlの脱イオン水を添加し、渦巻きに掛ける。調製した緩衝液B2は、+4℃で2日間貯蔵することができる。
9.550μlの脱イオン水を、緩衝液B3を伴う1つのバイアルに添加し、渦巻き状に構成成分を溶解する。再懸濁緩衝液は直ちに使用しなければならない。
1.適当な媒体(例えば、LB、CSB)において、バクテリアの一夜培養液を培養する。
2.0.5mlの培養液を、1.5mlのエッペンドルフ管に移す(1.5 OD600)。
3.細胞を、6,000×gで1分間遠心分離に掛けてペレットにし、除去して、上澄み液を廃棄する。
4.120μlの緩衝液B1(リゾチームおよびRNase溶液を含む)をバクテリア細胞ペレットに添加する。
5.管を徐々に渦巻き状に細胞を再懸濁する。
6.管を、定常振盪しながら(1,200rpm、エッペンドルフ熱混合機)、60℃で10分間培養する。
7.50μlの緩衝液B2を添加し、60℃で5分間培養する(1,200rpm、エッペンドルフ熱混合機)。
8.次いで、50μlの緩衝液B3を添加し、熱混合機において、(ステップ7において記載した様に)60℃で25分間の培養を続ける。
9.殆どの場合、溶解物は、培養後は透明でなければならない。透明でなければ、細胞片をペレットにするために、管を、20,000×gで3分間遠心分離に掛ける。
10.回転カラムを開け、300μlのTris−HCl緩衝液(50mM、pH8.0)を、カラム上に添加する。(緩衝液は、樹脂に入る。)
11.カラムを、350×g(小型遠心機の24−位置エッペンドルフローターにおける約2,000rpmに相当する)で1分間の遠心分離に掛け、過剰の緩衝液を除去する。
12.緩衝液を伴う収集管を廃棄し、カラムを、新しいエッペンドルフ管中に入れ、カラムを開く。
13.ステップ9からの120μlの透明な溶解物をカラム上に移し、蓋を閉める。(溶解物は、吸収剤層に入る。)
14.カラムを室温で3分間培養する。
15.カラムを伴う管を、700×g(小型遠心機の24−位置エッペンドルフローターにおける約3,000rpmに相当する)で1分間遠心分離に掛ける。
16.貫流は、精製されたDNAを含む。カラムを廃棄し、DNAを直ぐに使用するか、DNAを−20℃で貯蔵する。
Claims (23)
- 一般式
を有する、ポリマーコーティングにより少なくとも部分的に被覆された支持体を有する、クロマトグラフ材料であって、
前記支持体をビニルクロロシランで変性するステップ、
続いて、
a)少なくとも1つの、下記一般式の非置換もしくは置換スチレンまたはビニルナフタレン[A]と、
コポリマー組成物を重合するステップ、
未反応材料を除去するステップ、および
クロマトグラフ材料を回収および乾燥するステップ
を含む方法により得られる、クロマトグラフ材料。 - 支持体が、無機金属酸化物、多孔質ガラス(CPG)、珪藻土およびこれらの組合せを含む群から選択される多孔性無機材料である、請求項1または2に記載のクロマトグラフ材料。
- 無機金属酸化物が、アルミニウム酸化物、チタン酸化物、ジルコニウム酸化物、ケイ素酸化物および鉄酸化物から成る群から選択される、請求項3に記載のクロマトグラフ材料。
- 無機金属酸化物が多孔性であり、小細孔径2〜15nmおよび大細孔径20〜100nmの範囲の平均細孔径を伴う、細孔径の二重分散分布を示す、請求項3または4に記載のクロマトグラフ材料。
- 支持体が、100〜2000Åの平均細孔径および20〜300m2/gの比表面積を有する、請求項1から5のいずれか一項に記載のクロマトグラフ材料。
- 支持体が、300〜1000Åの平均細孔径および20〜100m 2 /gの比表面積を有する、請求項6に記載のクロマトグラフ材料。
- ポリマーコーティングが、10から250オングストロームの厚さならびに水、塩、および低分子量物質に接近可能な50オングストローム未満のミクロ細孔を有し、前記ポリマーコーティングが、核酸に関して非吸着性であり、タンパク質に関して吸着性である、請求項1から7のいずれか一項に記載のクロマトグラフ材料。
- ポリマーコーティングが、10から100オングストロームの厚さを有する、請求項8に記載のクロマトグラフ材料。
- コポリマー成分[A]、[B]、および[M]の質量比が、式[A]:[B]:[M]=1:0.03〜0.30:0.01〜0.2である、請求項1から9のいずれか一項に記載のクロマトグラフ材料。
- 請求項1から10のいずれか一項に記載のクロマトグラフ材料が少なくとも部分的に充填された、クロマトグラフカラム。
- 請求項1から10のいずれか一項に記載のクロマトグラフ材料が少なくとも部分的に充填された、クロマトグラフキャピラリー。
- 請求項1から10のいずれか一項に記載のクロマトグラフ材料が少なくとも部分的に充填された、クロマトグラフカートリッジ。
- クロマトグラフ材料が、多孔性有機または無機マトリックスに埋め込まれている、請求項1から10のいずれか一項に記載のクロマトグラフ材料を含む膜状物品。
- 請求項1から10のいずれか一項に記載のクロマトグラフ材料を、バルクであるか、または請求項11に記載のクロマトグラフカラムもしくは請求項13に記載のカートリッジまたは請求項14に記載の膜状物品に充填して含み、所望により、充填材料、試薬および/または緩衝液、またはその他の装置もしくは化学品を組み合わせて含む、サンプル調製もしくは生体高分子のクロマトグラフ分離を行うためのキット。
- 核酸の精製および/または単離のための方法における、請求項1から10のいずれか一項に記載のクロマトグラフ材料の使用。
- サンプル調製または核酸のクロマトグラフ分離を迅速に行うための、請求項16に記載の使用。
- 核酸は、保持されることなく材料を通過するが、タンパク質、塩およびその他の低分子量物質は保持される、核酸および/またはタンパク質の分離のための、請求項16または17に記載の使用。
- DNAを1ステップで分離するための、請求項16から18のいずれか一項に記載の使用。
- 一般式
の、生体高分子の分離のためのクロマトグラフ材料の製造方法であって、
支持体を、ビニルクロロシランで変性するステップ、
続いて、
a)少なくとも1つの、下記一般式の非置換もしくは置換スチレンまたはビニルナフタレン[A]、
コポリマー組成物を重合するステップ、
未反応材料を除去するステップ、および
クロマトグラフ材料を回収および乾燥するステップ
を含む、方法。 - コポリマー成分[A]、[B]、および[M]の質量比が、[A]:[B]:[M]=1:0.03〜0.30:0.01〜0.2に従う、請求項20に記載の方法。
- コポリマー組成物を重合するステップが、乳化剤および重合開始剤を用いて、有機溶媒における重合または水におけるエマルジョン重合により行われることを特徴とする、請求項21に記載の方法。
- 水または有機溶媒とコポリマーとの質量比が、5/1〜20/1である、請求項22に記載の方法。
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WO2009135117A1 (en) * | 2008-05-02 | 2009-11-05 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Selective membranes/thin films for analytical applications |
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CN104174425B (zh) * | 2014-07-11 | 2017-08-11 | 中国科学院生态环境研究中心 | 一种用于挥发性有机物催化氧化的催化剂及其制备方法 |
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EP2236529B1 (en) | 2012-05-23 |
US20110186519A1 (en) | 2011-08-04 |
US10221411B2 (en) | 2019-03-05 |
US20170152501A1 (en) | 2017-06-01 |
ATE547442T1 (de) | 2012-03-15 |
EP1756178A1 (en) | 2007-02-28 |
WO2005095476A1 (en) | 2005-10-13 |
US20140094596A1 (en) | 2014-04-03 |
US20160097048A1 (en) | 2016-04-07 |
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US20080154029A1 (en) | 2008-06-26 |
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