Experimental Determination of Optimum Parameters of Technological Creation of Bionanocomposites Based on the Interaction Between the Aliphatic Aminoacids and Carbon Nanotubes

This paper studies the interaction between biological molecules and novel nanomaterials such as carbon nanotubes (CNT). The latter plays a crucial role in developing novel types of miniature devices for biological purposes. We also investigate the immobilization behavior of aminoacids in the multi-wall carbon nanotubes to create functional aminocid/CNT conjugates. Furthermore, we use spectrophotometric methods. We show that the location of adsorbate molecules on the CNTs surface depends on the alkalinity and acidity of the solution. This fact proves that the interaction has the physical nature. We also study kinetics and examine influences of pH and concentration dependence of adsorption of these molecules onto the CNT surfaces for optimizations of immobilization processes. The results obtained can serve for purposeful creation of bionanocomposites with a given surface concentration of amino-functional carbon nanotubes by using the variation of time, pH and concentration of the adsorptive. They also further optimization of these technology processes for constructing such materials and time parameters.

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