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首页> 外文会议>Conference on Chemical,Biochemical and Environmental Fiber Sensors >Contributions to potassium and ammonium ion-selective optodes based on valinomycin nonactin and 11-dimethylsila-20-crown-7
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Contributions to potassium and ammonium ion-selective optodes based on valinomycin nonactin and 11-dimethylsila-20-crown-7

机译：基于Valinomycin nonactin和11-二甲基杆-20-Crown-7的钾与钾和铵离子选择性光电的贡献

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摘要

Valinomycin, nonactin and 1,1-dimethylsila-20-crown-7 are well known complexing agents for potassium and ammonium ions. Membrane optodes, based on these ion-selective carriers and appropriate chromoionophores, were produced and spectroscopically investigated in the range of 350-700 nm. The spectra of optodes obtained under flow injection analysis conditions were monitored in dependence on time. The calibration curves for potassium and ammonium ions were registered for each optode. The results clearly demonstrate that all tested optodes are both similarly sensitive to K$+$PLU$/ and NH$-4$/$+$PLU$/. Thus, biological fluids can not be analyzed simply by the individual calibration curves when the solutions contain similar amounts of K$+$PLU$/ and NH$-4$/$+$PLU$/.
机译：缬氨酸霉素，非分泌和1,1-二甲基硅-20-Crown-7是型钾和铵离子的众所周知的络合剂。基于这些离子选择性载体和适当的色谱，在350-700nm的范围内产生膜光学仪。在流动注射分析条件下获得的光学光谱是根据时间监测的。为每个光电极注册钾和铵离子的校准曲线。结果清楚地表明所有测试的光电都与K $ + $ PLU $ /和NH $ -4 $ / $ + $ /。因此，当溶液含有类似的k $ + $ plu $ /和nh $ -4 $ / $ + $ /。时，无法简单地通过单独的校准曲线分析生物流体。

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