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中文名称 货号 英文名、缩写 分子量 规格 价格 四臂PEG-硅烷 PS4-L-20K 4-Arm-PEG-Silane 20000 1g、5g 现询 四臂PEG-硅烷 PS4-L-10K 4-Arm-PEG-Silane 10000 1g、5g 现询 四臂PEG-硅烷 PS4-L-5K 4-Arm-PEG-Silane 5000 1g、5g 现询 四臂PEG-硅烷 PS4-L-2K 4-Arm-PEG-Silane 2000 1g、5g 现询 *5g-8折，10g-7折 结构式： 基本信息： 中文名称：四臂聚乙二醇硅烷(4ARM-PEG-Silane) 中文别名：四臂PEG硅烷 英文名称：4ARM-PEG-Silane CAS：- 分子量：2000,5000，10000,20000 纯度：95%以上 应用简介： silanePEG (PEG-Si) is a surface reactive PEG derivative that can be used to modifyglass, silica and other surfaces via the reaction between hydroxyl group andethoxyl/methoxyl silane. Pegylation can greatly suppress the non-specificbinding of charged molecules to the modified surfaces. And they have wideapplications for medica device, biomems or biocompatible material development. ReactionProcedures: Generally,silane PEG is first dissolved in a mixture of ethanol/water solution, thenallow the solution to contact with oxidized glass or silica surface for 30 minto 2 hours. Under this condition, silane PEG should bind to the materialcovalently. MaterialsRequired: Pegylationsolution: Ethanol/water (w/w, 95%/5%); SilanePEG stock solution, 10~50 mg/mL in pegylation solution, prepare in fresh. Washingsolution: Distilled water. ReactionSteps: 1.Dissolve targeted materials in Pegylation buffer. 2. Addsilane PEG stock solution to the targeted conjugation materials with the finalconcentration keep at least 10 mg/mL. 10~50 molar excess of silane PEG neededfor optimal conjugation; 3.Allow mixture agitates at room temperature for 30 min at room temperature or 2hours at 4 -20℃. 4. Washout unreacted materials either by distilled water. 物理性质： 状态：液体或者固体。 溶解性：溶于DMSO,DMF,DCM，溶于水。 保持条件：-20℃长期保存，避光，干燥。 注意事项：取用一定要干燥，避免频繁的溶解和冻干。 技术指标： 纯度（PEG）：95%以上 取代率（Silane）：95%以上 分散系数（PDI）：小于等于1.05 分析：COA、GPC、NMR、MALDI-TOF