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[1]张静妮,程清蓉,张华丽,等.TiO2负载三氮大环锰配合物催化剂的合成及催化性质[J].武汉工程大学学报,2017,39(04):313-319.[doi:10. 3969/j. issn. 1674?2869. 2017. 04. 002]
 ZHANG Jingni,CHENG Qingrong,ZHANG Huali,et al.Synthesis and Catalytic Property of Three Nitrogen Macrocyclic Mn(Ⅱ) Complexes Loaded on Titanium Dioxide[J].Journal of Wuhan Institute of Technology,2017,39(04):313-319.[doi:10. 3969/j. issn. 1674?2869. 2017. 04. 002]
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TiO2负载三氮大环锰配合物催化剂的合成及催化性质(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
39
期数:
2017年04期
页码:
313-319
栏目:
化学与化学工程
出版日期:
2017-10-14

文章信息/Info

Title:
Synthesis and Catalytic Property of Three Nitrogen Macrocyclic Mn(Ⅱ) Complexes Loaded on Titanium Dioxide
文章编号:
20170402
作者:
张静妮程清蓉张华丽潘志权*
武汉工程大学化学与环境工程学院 ,湖北 武汉 430205
Author(s):
ZHANG Jingni CHENG Qingrong ZHANG Huali PAN Zhiquan*
School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430074,China
关键词:
二氧化钛超氧化物歧化酶金属-框架结构负载材料催化性质
Keywords:
titanium dioxide superoxide dismutase metal-organic frames loaded materialscatalytic property
分类号:
O643.32
DOI:
10. 3969/j. issn. 1674?2869. 2017. 04. 002
文献标志码:
A
摘要:
将三氮大环锰配合物负载于二氧化钛(TiO2)纳米颗粒表面,制备了一种新型具有超氧化物歧化酶(SOD)活性的催化剂.通过红外光谱、扫描电镜、粉末衍射、比表面积测定对催化剂的结构进行了表征,以及通过一种改进的氯化硝基四氮唑蓝(NBT)还原方法评定了该催化剂的SOD活性.结果表明,催化剂材料的形状为六边形片状.该催化剂最佳SOD活性IC50 = 0.04 g/ L.催化剂经过多次循环试验后,对NBT溶液光还原的抑制率仍保持在95%以上,证明催化剂具有优良的SOD活性.
Abstract:
A new catalyst with high superoxide dismutase (SOD) activity was synthesized by loading three nitrogen macrocycle manganese complex on the surface of nanoparticles titanium dioxide.The structure was characterized by infrared spectroscopy, scanning electron microscopy, X-ray diffraction and surface area measurements, and the SOD activity of the catalyst was evaluated using an improved nitrotetrazolium blue chloride (NBT) method. The results show that the shape of the catalyst is hexagon ,and the catalyst exhibits an optimal SOD activity at IC50 = 0.04 g/ L. The inhibition rate of photoreduction of NBT solution keeps above 95% after several cyclic experiments, proving that the catalyst has excellent SOD activity.

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备注/Memo

备注/Memo:
收稿日期:2017-02-14 基金项目:国家自然科学基金(2130113);湖北省自然科学基金(2013 CFB313,2015 CFB664) 作者简介:张静妮,硕士研究生. E-mail:[email protected]
更新日期/Last Update: 2017-08-04