第 46 卷第 1 期 |  | Vol. 46 No. 1 | 2016 年 2 月 | Feb 2016 |
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所屬欄目:功能材料
核殼型磁性表面分子印跡聚合物的制備及對羅丹明6G吸附性能研究 |
謝 進(jìn),趙海青,鄧 健*
(南華大學(xué) 化學(xué)化工學(xué)院,湖南 衡陽(yáng) 421001) |
摘 要:以羅丹明6G為模板分子,多巴胺和3-氨基苯硼酸為功能單體和交聯(lián)劑,采用表面分子印跡技術(shù),首次制備了對羅丹明6G具有優(yōu)良吸附作用的核殼型磁性表面分子印跡聚合物。應用掃描電鏡、透射電鏡、紅外光譜等對其進(jìn)行表征,通過(guò)靜態(tài)、動(dòng)態(tài)和選擇性吸附實(shí)驗,研究了該分子印跡聚合物的識別選擇性和吸附容量,并建立了固相萃取-分光光度法測定實(shí)際樣品中痕量羅丹明6G的新方法,檢測限為2.7 nmol/L,回收率為86.9%~105.0%。 |
關(guān)鍵詞:羅丹明6G;磁性表面分子印跡聚合物;固相萃;分光光度法 |
中圖分類(lèi)號:O631.3 文獻標識碼:A 文章編號:1009-9212(2016)01-0080-05 |
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Preparation and Adsorption Characteristics of Core-shell Magnetic Surface Molecularly Imprinted Polymer for Rhodanmine 6G |
XIE Jin, ZHAO Hai-qing, DENG Jian*
(College of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China) |
Abstract:A novel core-shell magnetic nano-adsorbent with surface molecularly imprinted polymer coating was fabricated by copolymerization of dopamine and m-aminophenylboronic acid which were used as both monomers and cross-linkers in the presence of template Rh6G. The resulting adsorbent was then fully characterized by scanning electron microscopy, transmission electron microscopy and Fourier transform infrared spectroscopy. The nano-adsorbent was successfully applied to solid phase extraction coupled with visible spectrophotometry for trace determination of Rh6G in real samples with a detection limit of 2.7 nmol/L. Spiked recoveries ranged from 86.9%~105.0%. |
Key words:rhodamine 6G; magnetic surface molecularly imprinted polymer; solid phase extraction; visible spectrophotometry |
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基金項目: 湖南省科技廳項目(2013FJ3028),湖南省研究生科研創(chuàng )新項目(CX2010B378)。
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作者簡(jiǎn)介:謝 進(jìn)(1989-),男,湖南長(cháng)沙人,碩士,研究方向:納米材料(E-mail:waitxiejin@163.com)。
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聯(lián) 系 人:鄧 健,教授,研究方向:電化學(xué)(E-mail:jdeng_usc@163.com)。
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收稿日期:2015-12-30
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