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ToF-SIMS imaging of gradient polyethylene and its amine-functionalized surfaces

机译:梯度聚乙烯及其胺官能化表面的ToF-SIMS成像

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A ToF-SIMS imaging technique has been used to obtain dye label-free chemical images of gradient polyethylene (PE) and its amine-functionalized surfaces. The gradient PE surface was prepared by a corona treatment with a power increase along the PE length and confirmed by ToF-SIMS. Amine reagents with varying molecular weights (MW 158,600,1200, 10,000 and 60,000) were successively reacted with a gradient PE surface and examined using ToF-SIMS. Our work found that the lower the molecular weight of amine reagent, the more gradient surface of amine surface density was generated. The amine-functionalized gradient surface can be used as a template surface for evaluating bioactive molecules on the gradient surface in just one experiment. (c) 2006 Elsevier B.V. All rights reserved.
机译:ToF-SIMS成像技术已用于获得梯度聚乙烯(PE)及其胺官能化表面的无染料标记的化学图像。通过电晕处理制备梯度PE表面,并沿PE长度增加功率,并通过ToF-SIMS确认。使具有不同分子量(分子量158,600,1200、10,000和60,000)的胺试剂与梯度PE表面连续反应,并使用ToF-SIMS进行检查。我们的工作发现,胺试剂的分子量越低,产生的胺表面密度梯度表面就越大。胺官能化的梯度表面可以用作模板表面,仅在一个实验中即可评估梯度表面上的生物活性分子。 (c)2006 Elsevier B.V.保留所有权利。

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