書誌事項
- タイトル別名
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- Preparation of Size–Exclusion Polymer Chain Grafted onto the Pore Surface of a Porous Hollow–Fiber Membrane
- タコウセイ チュウクウシ マク ノ コウ ヒョウメン エ ノ サイズ ハイジョガタ グラフト サ ノ フヨ
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A novel preparation scheme for size-exclusion polymer chain, capable of adsorbing low–molecular–mass targetswhile retarding proteins, was suggested. An epoxy–group–containing vinyl monomer, glycidyl methacrylate, waspolymerized onto a polyethylene–made porous hollow–fiber membrane by radiation–induced graft polymerization.Water was added to the epoxy group of the graft chain, followed by the reaction of the remaining epoxy group withtrimethylamine. Phosphate ionic species were adsorbed to the resultant anion–exchange porous hollow–fiber mem-brane, whereas bovine serum albumin (BSA)was not bound to the membrane. This remarkable difference in thebinding characteristics was explained by a distribution of the functional groups along the graft chain: a shrunken con-formation in the upper part of the graft chain exclusively containing the diol group retards BSA and accepts phos-phate ionic species. In contrast, a swollen conformation in the lower part along the graft chain exclusively containingthe trimethylammonium group captures the phosphate ionic species invading the upper part. The successive addi-tion of the reactantsin the introduction of the modification of the epoxy group of the graft chain provided a size exclu-sion structure for the graft chain.
収録刊行物
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- 膜
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膜 34 (4), 220-226, 2009
日本膜学会
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詳細情報 詳細情報について
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- CRID
- 1390001206423840256
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- NII論文ID
- 10026336325
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- NII書誌ID
- AN0023215X
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- ISSN
- 18846440
- 03851036
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- NDL書誌ID
- 10385751
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可