The latest dissertation of Physics gives important information on nano-electronic and nano-biotechnology. The flexible transparent conductive thin films (TCFs) could use new complex of the environmentally friendly hemisellulose with carbon nanotubes. It could be used in next generation flexible touch screens. In addition the found of functionality of chi-avidin could be used in biosensors.
M.Sc Dongkai Shao researched in his dissertation of Physics the physical adsorption of various macromolecules on different nanomaterial surfaces, such as the carbon nanotube and graphene. Mainly he focused on two types of macromolecules, chimeric avidin and hemicellulose.
Chimeric avidin is one of the modifications of avidin family, which are widely used in biotechnology, because of strong avidin-biotin binding. Hemicellulose is one of the most abundant composites in nature, and it is environmental friendly.
Carbon nanotube with hemicellulose complex is a new hybrid material
Considering the widely known good mechanical properties of CNTs, complexes of carbon nanotube with hemicellulose could be used for example, as flexible transparent conductive thin films (TCFs), which could be used in next generation flexible touch screens.
Complexes of CNT with hemicellulose are attractive because the hybrid material is soluble in water, while when deposited on a surface as a thin film, they show very high conductivity at reasonable optical transparency, explains Shao.
Topography influences functionality of chi-avidin
Shao also observed different kinds of the topography of chi-avidin, depending on the surface character at the nanoscale. In his research, Shao proved the topography of the chi-avidin in return, which has an important influence on functionality. Shao demonstrated the topography of chi-avidin physical deposition on a solid surface depended highly on the properties of the nanoscale sample surface.
Source and top image: University of Jyväskylä
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