| 掺氮TiO_2纳米颗粒稳定的Pickering乳液制备及其触发酶反应 |
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| 引用本文： | 赵茂军,白瑞雪,刘 棋,郭 婷,王盛民,孟 涛.掺氮TiO_2纳米颗粒稳定的Pickering乳液制备及其触发酶反应[J].日用化学工业,2017,47(3):137-141. |
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| 作者姓名： | 赵茂军 白瑞雪 刘 棋 郭 婷 王盛民 孟 涛 |
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| 作者单位： | 西南交通大学 生命科学与工程学院，四川 成都 610031 |
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| 基金项目： | 国家自然科学基金资助项目(21406181)；中央高校基本科研业务费专项资金资助项目(SWJTU12CX049, 2682015CX050)；四川省科技厅重点研发项目资助(17ZDYF1523) |
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| 摘 要： | 利用烷基硅烷接枝的掺氮TiO_2纳米颗粒稳定W/O型Pickering乳液,研究了TiO_2掺氮量对成乳的影响以及乳液的可见光响应性能,并将其作为微反应器应用于触发脲酶催化尿素生成碳酸铵的反应中。结果表明:在可见光照射下,烷基硅烷接枝的掺氮TiO_2纳米颗粒表面由疏水变为亲水,可引发乳液液滴聚并以及液滴内酶促反应发生。
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| 关 键 词： | 掺氮TiO2纳米颗粒 Pickering乳液 可见光响应 酶反应 |
| 收稿时间： | 2016/10/5 0:00:00 |
Study on preparation of Pickering emulsion stabilized by N-TiO2 nanoparticles and triggering enzymatic reaction |
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| ZHAO Mao-jun,BAI Rui-xue,LIU Qi,GUO Ting,WANG Sheng-min and MENG Tao.Study on preparation of Pickering emulsion stabilized by N-TiO2 nanoparticles and triggering enzymatic reaction[J].China Surfactant Detergent & Cosmetics,2017,47(3):137-141. |
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| Authors: | ZHAO Mao-jun BAI Rui-xue LIU Qi GUO Ting WANG Sheng-min and MENG Tao |
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| Affiliation: | School of Life Sciences and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China |
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| Abstract: | W/O type Pickering emulsion stabilized by alkyl silane grafted nitrogen doped titanium dioxide (s-N-TiO2) nanoparticles was used as micro-bioreactor for producing ammonium carbonate from carbamide by catalytic action of urease. Effect of amount of nitrogen doped on formation of the emulsion and the visible-light-responsive performance were studied. The results show that under the irradiation of visible light, surface of the s-N-TiO2 nanoparticles changes from hydrophobic to hydrophilic and coalescence of micro drops of the emulsion as well as the enzymatic reaction in the drops can be triggered. |
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| Keywords: | nitrogen doped TiO2 nanoparticles Pickering emulsions visible-light responsive enzymatic reaction |
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