| Fe3O4粒子的表面修饰及其吸附分离天然胶乳中蛋白质的研究 |
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| 引用本文： | 王军,马立胜,王江,桂红星. Fe3O4粒子的表面修饰及其吸附分离天然胶乳中蛋白质的研究[J]. 弹性体, 2009, 19(4): 21-23,56 |
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| 作者姓名： | 王军 马立胜 王江 桂红星 |
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| 作者单位： | 1. 海南大学,材料与化工学院,海南,儋州,571737
2. 海南大学,材料与化工学院,海南,儋州,571737;中国热带农业科学院,橡胶研究所,海南,儋州,571737 |
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| 基金项目： | 中国热带农业科学院橡胶研究所科技基金资助 |
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| 摘 要： | 采用络合剂乙二胺四乙酸（EDTA）二钠和硅烷偶联剂KH-550对磁性Fe3O3粒子进行表面修饰改性，并用其对天然胶乳中的蛋白质进行吸附分离。结果表明，EDTA通过化学键合牢固地结合在粒子表面，并通过羰基与蛋白质反应，达到降低胶乳氮含量的目的。
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| 关 键 词： | EDTA二钠 KH-550 Fe3O4表面修饰 天然胶乳 氮含量 |
Surface modification of Fe3O4 and it's using in protein adsorption and separation of natural rubber latex |
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| WANG Jun,MA Li-sheng,WANG Jiang,GUI Hong-xing. Surface modification of Fe3O4 and it's using in protein adsorption and separation of natural rubber latex[J]. China Elastomerics, 2009, 19(4): 21-23,56 |
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| Authors: | WANG Jun MA Li-sheng WANG Jiang GUI Hong-xing |
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| Affiliation: | WANG Jun ,MA Li-sheng ,WANG Jiang ,GUI Hong-xing (1. School of Materials ＆Chemical Engineering, Hainan University, Danzhou 571737, China ; 2. Rubber Research Institute, Chinese Academy of Tropical Agriculture Sciences, Danzhou 571737, China) |
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| Abstract: | Modification of Fe3 O4 with EDTA and KH -550 were carried out ,and the effects on the nitrogen content of NR latex were also investigated on this paper. The results showed that, EDTA was linked to the surface of Fe3O4 by chemical bond,and the nitrogen content of NR latex was reduced by adding EDTA modified Fe3O4. |
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| Keywords: | KH-550 |
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