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Facile Synthesis of Cyclodextrin Functionalized Reduced Graphite Oxide with the Aid of Ionic Liquid for Simultaneous Determination of Guanine and Adenine
Electroanalysis ( IF 3 ) Pub Date : 2018-02-01 , DOI: 10.1002/elan.201700715
Meiling Wang 1, 2 , Mingzhu Cui 3 , Weifeng Liu 1, 2 , Xuguang Liu 1, 2 , Bingshe Xu 1, 2
Affiliation  

Here, a facile reduction approach for synthesis of β‐cyclodextrin functionalized reduced graphite oxide with the aid of ionic liquid (βCD/IRGO) was reported. This strategy relies on the simple mixing of pre‐pared aqueous βCD/GO with ionic liquid (IL) at high temperatures, which can bring about a well dispersed βCD/RGO in the utilized IL (βCD/IRGO) with a synchronous evaporation of water. The as‐prepared βCD/IRGO product can be stably re‐dispersed in water (up to 1.0 mg/mL) after washed and dried. And the presented βCD/IRGO composites possess high supramolecular recognition capability and good conductivity for realizing enhanced electrochemical response towards simultaneous detection of guanine and adenine compared with other βCD/carbon (RGO or carbon nanotube) based composites. In the presence of one of analysts, the linear response ranges is 0.03–10.0 μM for guanine and 0.02–7.0 μM for adenine, respectively, with detection limit of 0.01 μM for both guanine and adenine (S/N=3). This ease of making the βCD/IRGO composite will open up possibilities of its diversifier applications.

中文翻译:

离子液体辅助简便地合成环糊精功能化还原氧化石墨烯同时测定鸟嘌呤和腺嘌呤

在此报道了一种借助离子液体(βCD/ IRGO)合成β-环糊精官能化的还原氧化石墨的简便还原方法。该策略依赖于在高温下将制备的βCD/ GO水溶液与离子液体(IL)进行简单混合,这可以在利用的IL(βCD/ IRGO)中使βCD/ RGO充分分散,同时使水同步蒸发。洗涤和干燥后,可以将制得的βCD/ IRGO产品稳定地重新分散在水中(至多1.0 mg / mL)。与其他基于βCD/碳(RGO或碳纳米管)的复合材料相比,本文提出的βCD/ IRGO复合材料具有较高的超分子识别能力和良好的电导率,可实现同时检测鸟嘌呤和腺嘌呤的增强的电化学响应。在分析师之一的存在下,线性响应范围为0。鸟嘌呤为03–10.0μM,腺嘌呤为0.02–7.0μM,鸟嘌呤和腺嘌呤的检出限均为0.01μM(S / N = 3)。βCD/ IRGO复合材料的这种制造简便性将为其多样化的应用提供可能性。
更新日期:2018-02-01
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