Abstract
A massive interest has arisen in nanocapsule, and it is used in different fields. Carbon nanotubes and fullerene are the most commonly used nanomaterials due to their remarkable properties, such as optical, mechanical, electrical, and thermal properties. Especially in biomedical science, nanocapsules are highly recommended to be applied as carriers for drugs. From the Magic bullet theory, it is expected that the nanocapsules can deliver drugs to the target cells, which can reduce the side effects on the nontargeted cells. In this research, we design a new nanocapsule consisting of a finite-length single-wall carbon nanotube with two end caps which are hemispheres of C60 fullerene. By using elementary mechanics and mathematical modelling, we can determine the exact formulae and their numerical solutions of nonbonded interactions between the nanocapsules and the atoms Li, Na, K, Rb, Cs, Ca, Ni, Zn, and Pb which are assumed to be located in the middle of the nanocapsules. Therefore, the optimal lengths of the carbon nanotubes for each case of atoms are determined. This research is a guideline for studying the interaction between the drug and the nanocapsule in the drug delivery system.
Highlights
Introduction and Literature ReviewCarbon nanotubes are observed in 1952 by Radushkevich and Lukyanovich using transmission electron microscopy while observing some tubular structures of nanocarbon filaments
The total interaction energy between a single atom and the nanocapsule which is a finite-length carbon nanotube with end caps can be determined in equation (13) using the formulae Etube and Ecap in equations (24) and (25), respectively
The researchers use the exact formula of the total interaction energy between a single atom and our
Summary
Carbon nanotubes are observed in 1952 by Radushkevich and Lukyanovich using transmission electron microscopy while observing some tubular structures of nanocarbon filaments. Due to the Magic bullet theory presented by German biochemist Paul Ehrlich, who has received the Nobel Prize in 1908, the drug delivery concept that can deliver a drug to the target cell, many researchers are studying their structures and their applications, especially the applications in medical sciences such as their abilities to transport drugs and chemical molecules. This method is efficacious in attacking the diseases. The optimal lengths of the finite-length carbon nanotubes that allow the encapsulated atoms positioned at the center of the nanocapsule to be steady will be determined
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