| 黄原胶分子形貌的电镜研究 |
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| 引用本文： | 王德润,于宪潮,赵大健,曹武雄,樊廷玉.黄原胶分子形貌的电镜研究[J].高分子学报,1990,0(1):60-66. |
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| 作者姓名： | 王德润 于宪潮 赵大健 曹武雄 樊廷玉 |
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| 作者单位： | 南开大学中心实验室 天津
(王德润，于宪潮)，南开大学生物系 天津
(赵大健，曹武雄)，南开大学生物系 天津(樊廷玉) |
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| 基金项目： | 国家自然科学基金资助课题 |
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| 摘 要： | 本文用扫描电镜研究了温度、超声波处理及浓度对黄原胶分子形貌的影响,并用透射电镜研究了黄原胶单分子的形貌及分子量。认为黄原胶分子在一般情况下具有较规则的二、三、四级结构,论述了其初、高级结构之间的关系,得出了黄原胶分子是由40余个亚基组成的右手双螺旋这一结论,计算出其分子量为6×10~6至25×10~6。
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| 关 键 词： | 黄原胶 形貌 结构 亚基分子量 |
| 收稿时间： | 1988-07-05 |
STUDY OF THE APPEARANCE OF XANTHAN MOLECULES |
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| WANG De-run,YU Xian-chao,ZHAO Da-jian,CAO Wu-xiong,FAN Ting-yi.STUDY OF THE APPEARANCE OF XANTHAN MOLECULES[J].Acta Polymerica Sinica,1990,0(1):60-66. |
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| Authors: | WANG De-run YU Xian-chao ZHAO Da-jian CAO Wu-xiong FAN Ting-yi |
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| Institution: | The Central Lab. of Nankai University; Tianjin; Department of Biology of Nankai University; Tianjin |
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| Abstract: | A scanning electron-microscope is used to study the affection of temperature, ultrasonic waves and different concentrations on the appeearance of xanthan gums. A transmissive electr-onmicroscope is used to study the appearance and molecular weight of the monomolecules of xanthan. A conclusion can be drawn that xanthan molecules have uniform secondary, tertiary and quantenary structures, and that the xanthan molecule is a right-handed double helix made up of 40 subunits. The relation between their primery and senior structures has also been stated. Its molecular weight is from 6,000,000 to 25,000,000. |
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| Keywords: | xanthan appearance structure subunit molecular weight |
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