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lp_0820

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[求助] 有没有好的方法测定液泡和细胞质中K+的浓度 已有1人参与

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starseacow

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【答案】应助回帖

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感谢参与,应助指数 +1
lp_0820: 金币+10, ★有帮助, 谢谢 2014-03-06 16:56:13
传统方法为分离出植物细胞的液泡和胞质成分,分别测定钾离子浓度即可,参考
Sodium, Potassium, Chloride, and Betaine Concentrations in Isolated Vacuoles from Salt-Grown Atriplex gmelini Leaves
Tōru Matoh, Junko Watanabe and Eiichi Takahashi
Plant Physiology May 1987 vol. 84 no. 1 173-177

Electrical Potentials and Na, K, and Cl Concentrations in the Vacuole and Cytoplasm of Nitella translucens
R. M. SPANSWICK and E. J. WILLIAMS
J. Exp. Bot. (1964) 15 (2): 193-200.

近年来对于液泡中K+,可以用 PBFI-AM染,参考
Halperin S.J., Lynch J.P. (2003).
Effects of salinity on cytosolic Na+ and K+ in root hairs of Arabidopsis thaliana: In vivo measurements using the fluorescent dyes SBFI and PBFI.
J. Exp. Bot. 54: 2035–2043.
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2楼2014-03-03 22:46:01
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lp_0820

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2楼: Originally posted by starseacow at 2014-03-03 22:46:01
传统方法为分离出植物细胞的液泡和胞质成分,分别测定钾离子浓度即可,参考
Sodium, Potassium, Chloride, and Betaine Concentrations in Isolated Vacuoles from Salt-Grown Atriplex gmelini Leaves
Tōru Mat ...

传统方法我知道,就是查不到最近几年有没有新的研究方法。
3楼2014-03-06 16:56:16
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