@article{bertoncini_coelho_maciel_pezzin_2011,  title={Purification of Single-Wall carbon nanotubes by heat treatment and supercritical extraction},  volume={14},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392011005000051},  DOI={10.1590/S1516-14392011005000051},  number={3},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Bertoncini, Mariana and Coelho, Luiz Antonio Ferreira and Maciel, Indhira Oliveira and Pezzin, Sérgio Henrique},  year={2011},  month={Jul},  pages={380–383} }