单壁碳纳米管和猪Müller细胞中间丝的光学透明度和电导率
Optical transparency and electrical conductivity of single-wall carbon nanotubes and of intermediate filaments of porcine Müller cells
摘要：
在本研究中，我们继续调查的高对比度视觉在倒置的视网膜的脊椎动物的眼睛。本文报道了从猪视网膜Müller细胞中分离纯化中间纤维的方法。我们还报告了实验和理论方法的测量和计算的减少电阻率和光传输的IF和单壁碳纳米管（SWCNTs）。测得的折合电阻率值分别为（3.1+-0.3）*10^-4和（2.8+-0.2）*10^-4欧姆·米^-1厘米^2，与典型金属的电阻率值非常接近。本文报道了一种测量中间丝和单壁碳纳米管的光能传输的方法。我们发现，这些结构有效地沿其轴传递光能，光在结构的另一端重新发射。我们还报告了IF的光谱选择性。结果表明，我们在推导倒置视网膜高对比度视觉理论时所作的假设是正确的，并得到了目前报道的实验结果的充分支持。
英文摘要：
In the present study, we continue investigation of the high-contrast vision in the inverted retina of the vertebrates eyes. We report a method of separation and purification of porcine (Sus scrofa domestica) intermediate filaments (IFs), extracted from the retinal Müller cells (MCs). We also report experimental and theoretical methods of measurements and calculations of the reduced resistivity and light transmission by the IFs and single-wall carbon nanotubes (SWCNTs). The measured reduced resistivity values were (3.1+-0.3)*10^-4 and (2.8+-0.2)*10^-4 Ohm m^-1 cm^2, respectively, being quite close to those of typical metals. We report a method for measuring the light energy transmission by the intermediate filaments and single-wall carbon nanotubes. We found that these structures efficiently transfer light energy along its axis, with the light reemitted at the other end of the structure. We also report spectral selectivity of the IFs. The reported results demonstrate that the assumptions we made in deducing the theory of high-contrast vision in an inverted retina were correct and fully supported by the presently reported experimental results.
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