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Interpretation of this behaviour is not fully understood, but it is likely to be due to the ionic interaction between the DNA and the buffer solution. A natural negative charge on the DNA fragments means that in a neutral environment, such as water, their preferred orientation would be for the molecules to lay on the gold layer with no preferred orientation. When the buffer solution is added there is an interaction with the positive ions in the solution, and the DNA fragments stand up leading to an increase in layer thickness.
方案详情
Interpretation of this behaviour is not fully understood, but it is likely to be due to the ionic interaction between the DNA and the buffer solution. A natural negative charge on the DNA fragments means that in a neutral environment, such as water, their preferred orientation would be for the molecules to lay on the gold layer with no preferred orientation. When the buffer solution is added there is an interaction with the positive ions in the solution, and the DNA fragments stand up leading to an increase in layer thickness.
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HORIBA（中国）为您提供《流动液体池环境中的生物芯片中生物芯片结构检测方案(椭偏仪)》，该方案主要用于生物环保中生物芯片结构检测，参考标准--，《流动液体池环境中的生物芯片中生物芯片结构检测方案(椭偏仪)》用到的仪器有HORIBA UVISEL Plus研究级经典型椭偏仪
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