JP4660472B2 - アフィニティリガンドの製造法 - Google Patents
アフィニティリガンドの製造法 Download PDFInfo
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- JP4660472B2 JP4660472B2 JP2006507944A JP2006507944A JP4660472B2 JP 4660472 B2 JP4660472 B2 JP 4660472B2 JP 2006507944 A JP2006507944 A JP 2006507944A JP 2006507944 A JP2006507944 A JP 2006507944A JP 4660472 B2 JP4660472 B2 JP 4660472B2
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- amine
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- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 238000000034 method Methods 0.000 claims description 49
- 230000003993 interaction Effects 0.000 claims description 35
- 125000000524 functional group Chemical group 0.000 claims description 32
- 238000000926 separation method Methods 0.000 claims description 23
- 239000011159 matrix material Substances 0.000 claims description 18
- 238000004587 chromatography analysis Methods 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 150000001412 amines Chemical class 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 8
- 125000003277 amino group Chemical group 0.000 claims description 7
- 238000010828 elution Methods 0.000 claims description 7
- KIWQWJKWBHZMDT-UHFFFAOYSA-N homocysteine thiolactone Chemical compound NC1CCSC1=O KIWQWJKWBHZMDT-UHFFFAOYSA-N 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 239000012039 electrophile Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001212 derivatisation Methods 0.000 claims description 4
- 238000007142 ring opening reaction Methods 0.000 claims description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- 125000006841 cyclic skeleton Chemical group 0.000 claims description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
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- 229910019142 PO4 Inorganic materials 0.000 description 2
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- 239000010935 stainless steel Substances 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003456 sulfonamides Chemical class 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical compound ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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- B01D—SEPARATION
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- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/38—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups B01D15/265 - B01D15/36
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3214—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating
- B01J20/3217—Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond
- B01J20/3219—Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond involving a particular spacer or linking group, e.g. for attaching an active group
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
- B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
- B01J20/3248—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
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- B01J20/3248—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
- B01J20/3255—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such comprising a cyclic structure containing at least one of the heteroatoms nitrogen, oxygen or sulfur, e.g. heterocyclic or heteroaromatic structures
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- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
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- B01J20/3257—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one of the heteroatoms nitrogen, oxygen or sulfur together with at least one silicon atom, these atoms not being part of the carrier as such
- B01J20/3259—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one of the heteroatoms nitrogen, oxygen or sulfur together with at least one silicon atom, these atoms not being part of the carrier as such comprising at least two different types of heteroatoms selected from nitrogen, oxygen or sulfur with at least one silicon atom
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Description
(a)チオール基とカルボニル基とアミン基を含む環状骨格を準備する段階、
(b)標的分子と親和性相互作用し得る官能基又は第二の相互作用をなし得る官能基を有する求電子試薬で上記骨格のアミン基を誘導体化する段階、及び
(c)この誘導体化骨格の環構造を開環して、標的分子との第二の相互作用をなし得る官能基又は親和性相互作用し得る官能基を有するアミンをカルボニル炭素に付加する段階とを含み、
標的分子の一部位と親和性相互作用し得るリガンドと同一標的分子の別の部位と相互作用し得る第二の官能基を与える方法である。すなわち、本発明に従って製造されるリガンドは、1種の相互作用が親和性に基づくものであるマルチモードリガンドである。
「分離媒体」という用語は、本明細書では、例えばクロマトグラフィーカラムの充填材として有用な材料、具体的には、ベースマトリックスに1以上のリガンドが結合したものからなる材料に用いる。ベースマトリックスは担体として作用し、リガンドはクロマトグラフィーで目標物質と相互作用する官能基を与える。
A、B及びXは互いに独立に炭素原子又はヘテロ原子、例えば酸素、硫黄、窒素及び/又はシリカであり、mは0〜4の整数、例えば1〜3、好ましくは1又は2であり、官能基Nは窒素であって、いずれかのXを置換或いはA、B及びXのいずれかに結合している。
第二の態様では、本発明は、標的分子の一部位と親和性相互作用し得る第一の官能基及び同じ標的分子の別の部位と相互作用することができる第二の官能基を含む1以上のアフィニティリガンドの製造における出発材料としてのホモシステインチオラクトンの使用に関する。ホモシステインチオラクトンは、例えばAldrichからカタログ番号H1,580−2及びCAS番号6038−19−3で市販されている。
図1は、既知のリガンドの相互作用部位とは異なる部位で標的分子と相互作用する第二の基(四角)の付着によって、既知のアフィニティリガンドの特性を改変する、本発明に使用される多点付着の概念を示している。さらに具体的には、左図は、標的化合物の一部位しか媒体と相互作用をしない通常のアフィニティ媒体を示している(媒体は楕円形で示し、リガンドの相互作用部位は六面体である)。右図は、第二の部位(四角)を介してさらに相互作用する、本発明によるマルチモードアフィニティ媒体を示している。
段階1:
D,L−ホモシステインチオラクトンIa及びジイソプロピルエチルアミン(DIPEA)のジクロロメタン(DCM)溶液Aを0℃に冷却した。塩化アシル又は塩化スルホニル又は酸無水物又は活性化酸を含むDCM溶液Bを0℃に冷却し、0〜5℃に維持した溶液Aに滴下した。混合物を室温で終夜撹拌した。溶媒を真空下で除去した。必要なら、得られた生成物を酢酸エチルに溶解し、クエン酸(10w/w%水溶液)溶液及び炭酸カリウム(10w/w%水溶液)溶液で洗浄することができる。有機相を水で洗浄した後、硫酸ナトリウムで乾燥し、溶媒を蒸発させた。
得られた生成物をテトラヒドロフラン(THF)に溶解し、窒素バブリングによって、10分間脱気した。この溶液に、THFに溶解させたアミンを室温で添加した。反応混合物をさらに17時間撹拌した。溶媒を真空下で蒸発させた後、残渣を酢酸エチル及びクエン酸(10w/w%水溶液)で抽出した。有機相を水で洗浄した後、硫酸ナトリウムで乾燥し、溶媒を蒸発させた。必要な場合は、段階3の前に、生成物をHPLCで精製した。
Sepharose(登録商標)6 Fast Flow(スウェーデンウプサラのAmersham Biosciences)(ドレインドゲル100ml)を、4.6M NaOH(30ml、0.137モル)及び1,4 ビス−(2,3 エポキシプロポキシ)ブタン(200ml)と混合した。この混合物を30℃で機械的撹拌装置を用いて2時間撹拌した。濾過した後、ゲルを水(5×500ml)で洗浄し、pH紙を用いて、ゲルのpHを確認した(pH6)。50%(w/w)Na2S2O3・5H2O水溶液と反応させた後、エポキシドの置換レベルを滴定で測定した。エポキシドの置換レベルを15μmol/ゲル1mlと推定した。
以下の実施例1では、R1は、Kohlerらによってウシ血清アルブミン(BSA)に対して親和性を有すると記述された2−ナフタレンスルホニル部分である[Koehler, Michael F.T. et al., Bio. Med. Chem. Letters, 2002, 12, 2883−2886]。以下の実施例は、D,L−ホモシステインチオラクトンIaを骨格として使用し、また記載した化学反応を使用している(上記のスキーム1を参照のこと)。ホモシステインチオラクトンIaを2−ナフタレンスルホニルクロリドと反応させることによって結合されたスルホンアミドを形成した後、アミンでチオラクトンの開環を実現し、得られた化合物をさらに、エポキシ活性化Sepharose(登録商標)6 Fast Flowに結合させた。
段階1:D,L−ホモシステインチオラクトン塩酸塩6.8g(44.1mmol)を、DCM100ml及びDIPEA16.1ml(92.6mmol)に溶解し、0℃まで冷却した。この溶液に、DCM50ml中の2−ナフタレンスルホニルクロリド10.0g(44.1mmol)を段階1に従って室温で徐々に添加し、反応混合物をさらに16時間撹拌した。溶媒を真空下で除去し、酢酸エチル(300ml)を添加した。有機相をクエン酸(10w/w%水溶液)(2×100ml)で洗浄した。有機相を硫酸ナトリウムで乾燥した後、蒸発させ、白色粉末13.1gを回収した。収率:96%。
段階1:DCM5ml中の塩化ベンゾイル(0.87ml、7.5mmol)溶液を、ジクロロメタン(DCM、15ml)中のD,L−ホモシステインチオラクトン(1.15g、7.5mmol)及びDIPEA(2.6ml、15mmol)の溶液に0℃で滴下した。混合物を室温で終夜撹拌した。溶媒を真空下で蒸発させ、反応残渣を酢酸エチル(30ml)で抽出した。有機相をクエン酸水溶液10%(w/w、20ml)、K2CO3水溶液10%(20ml)、水(20ml)で洗浄し、硫酸ナトリウムで乾燥した。濾過した後、溶媒を除去して、白色固体を得る(1.37g、83%)。
段階1:実施例2の段階1に記載したのと同様の手順を使用した。
段階1:実施例2の段階1に記載したのと同様の手順を使用した。
段階1:実施例2の段階1に記載したのと同様の手順を使用した。
段階1:D,L−ホモシステインチオラクトン塩酸塩(10g、65mmol)を、DIPEA(22.6ml、130mmol)とともにDCM(150ml)に溶解した。混合物を0℃に冷却した後、塩化3−メトキシベンゾイル(9.1ml、65mmol)を添加した。反応混合物を室温で終夜撹拌した。溶媒を真空下で蒸発させ、得られた残渣をEtOAc(300ml)に溶解し、10%(w/w)クエン酸溶液(2×100ml)で抽出した。有機相を10%(w/w)K2CO3水溶液(2×100ml)、水(2×100ml)で洗浄し、無水Na2SO4で乾燥し、濾過し、真空下で蒸発させ、白色固体(15.4g、94%)を得た。
段階1:実施例6の段階1に記載したのと同様の手順を使用した。
段階1:D,L−ホモシステインチオラクトン塩酸塩(10g、65mmol)及びDIPEA(22.6ml、130mmol)をDCM(120ml)に溶解した。混合物を0℃に冷却した後、DCM(30ml)中の塩化1−ナフトイル(12.4g、65mmol)を添加した。反応混合物を室温で終夜撹拌した。溶媒を真空下で蒸発させ、粗生成物をEtOAc(300ml)で再び溶かし、10%(w/w)クエン酸溶液(4×100ml)、10%(w/w)K2CO3水溶液(4×100ml)、水(100ml)で抽出し、無水Na2SO4で乾燥し、濾過し、真空下で蒸発させ、白色固体(12.8g、73%)を得た。
段階1:3−ヒドロ安息香酸(1.0g、7.24mmol)をアルゴン雰囲気中で乾燥DMF(56ml)に溶解した。N−メチルモルホリン(1.0ml、1.23mmol)を添加し、透明溶液を0℃に冷却した後、クロロギ酸イソブチル(0.94ml、7.24mmol)を滴下した。混合物を60分間撹拌し、橙色溶液を形成した。反応混合物に、D,L−ホモシステインチオラクトン塩酸塩(1.34g、8.69mmol)、乾燥DMF(30ml)、ジメチルアミノピリジン(63mg、0.52mmol)及びN−メチルモルホリン(1.38ml、12.53mmol)の溶液を45分間で滴下した。4時間後に、飽和したNH4Cl(400ml)を混合物に添加した。溶液をよく混合し、EtOAc(3×100ml)で抽出した。有機層を合わせ、10%(w/w)クエン酸溶液(3×100ml)、10%(w/w)K2CO3(3×100ml)、水で抽出し、無水Na2SO4で乾燥し、濾過し、真空下で蒸発させ、黄色オイルを得た。それを、EtOAcとシクロヘキサン(1:2)を使用したフラッシュクロマトグラフィーにかけ、白色固体(530mg、31%)を得た。
クロマトグラフィーシステム:
実験は全て、Unicorn 3.1ソフトウェアを装備したAKTA(登録商標)Explorer 100クロマトグラフィーシステム(Amersham Biosciences AB)を使用して室温で行った。
注入量:10μl(溶出液A中のBSA10mg)
流量:0.3ml/min
溶出液A:MQ Milli−Q水中の20mMリン酸塩、pH7.2
溶出液B:MQ Milli−Q水中の20mMリン酸塩及び2M NaCl、pH7.2
溶出:直線勾配(0−100%B)
勾配条件:カラム平衡化=5カラム体積(CV)、勾配体積=10CV、(勾配後の)100%Bによるカラム洗浄=2CV
検出波長:215、254、280nm
Claims (16)
- 1以上のアフィニティリガンドの製造方法であって、
(a)チオール基とカルボニル基とアミン基を含む環状骨格であって、次の一般式(I)で定義される環状骨格を準備する段階、
(b)標的分子の一部位と親和性相互作用し得る官能基及び同一標的分子の別の部位と相互作用し得る第二の官能基のいずれか一方を有する求電子試薬で上記骨格のアミン基を誘導体化する段階、及び
(c)誘導体化骨格の環構造を開環して、上記標的分子の一部位と親和性相互作用し得る官能基及び同一標的分子の別の部位と相互作用し得る第二の官能基のもう一方を有するアミンをカルボニル炭素に付加する段階とを含み、
標的分子の一部位と親和性相互作用し得る官能基と同一標的分子の別の部位と相互作用し得る第二の官能基とを有するリガンドを与える方法。 - 段階(b)が親和性相互作用し得る官能基を有する求電子性カルボキシル酸による誘導体化であり、段階(c)では第二の官能基を有するアミンを付加する、請求項1記載の方法。
- 段階(b)が第二の官能基を有する求電子試薬による誘導体化であり、段階(c)では、親和性相互作用し得る官能基を有するアミンを付加する、請求項1又は請求項2記載の方法。
- mが1又は2である、請求項1乃至請求項3のいずれか1項記載の方法。
- 式(I)において、A、B及びXが炭素原子である、請求項1乃至請求項4のいずれか1項記載の方法。
- 式(I)において、mが1であり、骨格がホモシステインチオラクトンである、請求項1乃至請求項5のいずれか1項記載の方法。
- 求電子試薬が、炭素−炭素二重結合、C−Y(ただし、Yはハロゲン、メシレート基又はトシレート基を表す)又は酸もしくは活性化酸からなる群から選択される、請求項1乃至請求項6のいずれか1項記載の方法。
- 親和性相互作用し得る官能基が親和性対の片方のメンバーである、請求項1乃至請求項7のいずれか1項記載の方法。
- 第二の官能基が親和性とは別の相互作用によって標的分子と相互作用することができる、請求項1乃至請求項8のいずれか1項記載の方法。
- 複数のアフィニティリガンドを含む親和性分離媒体を生成するために、段階(c)から得られた生成物をそのチオール基を介してベースマトリックスに固定化する、請求項1乃至請求項9のいずれか1項記載の方法。
- チオール基がベースマトリックスのアリル基に結合している、請求項10記載の方法。
- 請求項1乃至請求項11のいずれか1項に従って製造されたアフィニティリガンド。
- ベースマトリックスに固定化された請求項12記載のリガンドを複数含む分離媒体。
- 請求項13記載の分離媒体を充填したクロマトグラフィーカラム。
- 1種以上の標的分子を液体から分離する方法であって、前記液体を請求項14で定義された分離媒体に接触させて、それに標的分子を吸着させる方法。
- 媒体と溶出液を接触させ、標的分子を媒体から放出させる後続段階をも含む、請求項15記載の方法。
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SE0300624A SE0300624D0 (sv) | 2003-03-05 | 2003-03-05 | A method of preparing affinity ligands |
PCT/SE2004/000315 WO2004078310A1 (en) | 2003-03-05 | 2004-03-05 | A method of preparing affinity ligands |
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JP4660472B2 true JP4660472B2 (ja) | 2011-03-30 |
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US (1) | US7510657B2 (ja) |
EP (1) | EP1599266A1 (ja) |
JP (1) | JP4660472B2 (ja) |
CA (1) | CA2517752C (ja) |
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WO (1) | WO2004078310A1 (ja) |
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CA2517732C (en) * | 2003-03-05 | 2012-05-15 | Amersham Biosciences Ab | A method of preparing multi-modal anion-exchange ligands |
SE0300612D0 (sv) * | 2003-03-05 | 2003-03-05 | Amersham Biosciences Ab | A method of preparing ligands for hydrophobic interaction chromatography |
JP5268052B2 (ja) * | 2007-04-20 | 2013-08-21 | 国立大学法人 東京大学 | 不斉アミノ化反応用触媒 |
US20140228539A1 (en) * | 2011-10-21 | 2014-08-14 | Tanvex Biologics Corp. | Separation of acetylated proteins from unacetylated proteins |
CN114130377A (zh) * | 2021-12-14 | 2022-03-04 | 无锡创谱生物科技有限公司 | 一种亲和层析填料、其制备方法及用途 |
Citations (4)
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JPH04503157A (ja) * | 1989-01-05 | 1992-06-11 | アクゾ・ノベル・ナムローゼ・フェンノートシャップ | 核酸の入手および検出のためのポリアクリルアミド固形支持体に対するオリゴヌクレオチドの末端の付着 |
JP2000351776A (ja) * | 1999-04-08 | 2000-12-19 | Kuraray Co Ltd | 光学活性ホモシステインチオラクトン塩の製造方法およびその中間体 |
WO2003024588A1 (en) * | 2001-09-14 | 2003-03-27 | Amersham Biosciences Ab | Generation of ion exchanger media |
WO2004076475A1 (en) * | 2003-02-28 | 2004-09-10 | Amersham Biosciences Ab | A method of generating metal chelating affinity ligands |
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US4434151A (en) * | 1982-11-08 | 1984-02-28 | Medi-Physics, Inc. | Bifunctional chelating agents |
GB8415666D0 (en) * | 1984-06-20 | 1984-07-25 | Berezenko S | Support material for immobilisation of ligands |
US4837348A (en) * | 1986-04-30 | 1989-06-06 | Varian Associates, Inc. | Bonded phase chromatographic supports |
GB2275270A (en) * | 1993-02-11 | 1994-08-24 | Pall Corp | Membranes for use in affinity separation |
ATE414171T1 (de) * | 1999-08-27 | 2008-11-15 | Matrix Technologies Corp | Verfahren zur immobilisierung von oligonukleotiden auf festem trägermaterial |
SE9904197D0 (sv) * | 1999-11-22 | 1999-11-22 | Amersham Pharm Biotech Ab | A method for anion exchange adsorption on matrices carrying mixed mode ligands |
US6852230B2 (en) * | 2000-12-31 | 2005-02-08 | Amersham Biosciences Ab | Method for the manufacture of compositions containing low concentrations of salts |
-
2003
- 2003-03-05 SE SE0300624A patent/SE0300624D0/xx unknown
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2004
- 2004-03-05 CA CA2517752A patent/CA2517752C/en not_active Expired - Fee Related
- 2004-03-05 JP JP2006507944A patent/JP4660472B2/ja not_active Expired - Fee Related
- 2004-03-05 WO PCT/SE2004/000315 patent/WO2004078310A1/en active Application Filing
- 2004-03-05 US US10/547,569 patent/US7510657B2/en not_active Expired - Fee Related
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04503157A (ja) * | 1989-01-05 | 1992-06-11 | アクゾ・ノベル・ナムローゼ・フェンノートシャップ | 核酸の入手および検出のためのポリアクリルアミド固形支持体に対するオリゴヌクレオチドの末端の付着 |
JP2000351776A (ja) * | 1999-04-08 | 2000-12-19 | Kuraray Co Ltd | 光学活性ホモシステインチオラクトン塩の製造方法およびその中間体 |
WO2003024588A1 (en) * | 2001-09-14 | 2003-03-27 | Amersham Biosciences Ab | Generation of ion exchanger media |
WO2004076475A1 (en) * | 2003-02-28 | 2004-09-10 | Amersham Biosciences Ab | A method of generating metal chelating affinity ligands |
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EP1599266A1 (en) | 2005-11-30 |
SE0300624D0 (sv) | 2003-03-05 |
WO2004078310A1 (en) | 2004-09-16 |
CA2517752C (en) | 2011-07-19 |
US20060188931A1 (en) | 2006-08-24 |
CA2517752A1 (en) | 2004-09-16 |
US7510657B2 (en) | 2009-03-31 |
JP2006522332A (ja) | 2006-09-28 |
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