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The Development of Conductive Nanoporous Chitosan Polymer Membrane for Selective Transport of Charged Molecules

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العنوان: The Development of Conductive Nanoporous Chitosan Polymer Membrane for Selective Transport of Charged Molecules
المؤلفون: Pei-Ru Chen, Yun-Ju Chuang
المصدر: Journal of Nanomaterials, Vol 2013 (2013)
بيانات النشر: Hindawi Limited
سنة النشر: 2013
المجموعة: Directory of Open Access Journals: DOAJ Articles
مصطلحات موضوعية: Technology (General), T1-995
الوصف: We present the development of conductive nanoporous CNT/chitosan membrane for charge-selective transport of charged molecules, carboxylfluorescein (CF), substance P, and tumor necrosis factor-alpha (TNF-α). The membrane was made porous and conductive via gelatin nanoparticle leaching technique and addition of carbon nanotubes, respectively. These nanoporous membranes discriminate the diffusion of positive-charged molecules while inhibiting the passage of negative-charged molecules as positive potential was applied. The permeation selectivity of these membranes is reversed by converting the polarity of applied potential into negative. Based on this principle, charged molecules (carboxylfluorescein, substance P, and TNF-α) are successfully filtered through these membranes. This system shows 30 times more selective for CF than substance P as positive potential was applied, while 2.5 times more selective for substance P than CF as negative potential was applied.
نوع الوثيقة: article in journal/newspaper
اللغة: English
تدمد: 1687-4110
1687-4129
Relation: http://dx.doi.org/10.1155/2013/980857; https://doaj.org/toc/1687-4110; https://doaj.org/toc/1687-4129; https://doaj.org/article/5d76fe94d0f7483fa5036df284dff1a9
DOI: 10.1155/2013/980857
الاتاحة: https://doi.org/10.1155/2013/980857
https://doaj.org/article/5d76fe94d0f7483fa5036df284dff1a9
رقم الانضمام: edsbas.FEC7DA9E
قاعدة البيانات: BASE
الوصف
تدمد:16874110
16874129
DOI:10.1155/2013/980857