COMPORTAMIENTO REOLÓGICO DE SUSPENSIONES DE NANOTUBOS DE CARBONO CON APLICACIONES BIOMÉDICAS

  1. Arisbel Cerpa Naranjo 1
  2. Begoña Ibañez Martínez 1
  3. Isabel Lado Touriño 1
  4. Mariana P. Arce 1
  5. Javier Pérez Piñeiro 1
  6. Niurka Barrios Bermúdez 1
  7. María Luisa Rojas Cervantes 4
  8. Rodrigo Moreno Botella 3
  9. Sebastián Cerdán García-Esteller 2
  1. 1 Universidad Europea de Madrid
    info

    Universidad Europea de Madrid

    Madrid, España

    ROR https://ror.org/04dp46240

  2. 2 Instituto de Investigaciones Biomédicas Alberto Sols
    info

    Instituto de Investigaciones Biomédicas Alberto Sols

    Madrid, España

    ROR https://ror.org/00ha1f767

  3. 3 Instituto de Cerámica y Vidrio
    info

    Instituto de Cerámica y Vidrio

    Madrid, España

    ROR https://ror.org/02h7vfp25

  4. 4 Universidad Nacional de Educación a Distancia
    info

    Universidad Nacional de Educación a Distancia

    Madrid, España

    ROR https://ror.org/02msb5n36

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Libro:
COMPORTAMIENTO REOLÓGICO DE SUSPENSIONES DE NANOTUBOS DE CARBONO CON APLICACIONES BIOMÉDICAS

Editorial: Editora Artemis

ISSN:

ISBN:

Ano de publicación: 2021

Páxinas: 1-388–416

Tipo: Capítulo de libro

DOI: 10.37572/EDART_2112215072 GOOGLE SCHOLAR lock_openAcceso aberto editor

Resumo

The rheological behaviour of different carbon nanotubes suspensions in the dilute regime was evaluated. Suspensions of commercial multi-walled carbon nanotubes without functionalization, multi-walled carbon nanotubes oxidized in our laboratory with nitric acid under reflux for 24 hours and commercial multi-walled carbon nanotubes functionalized with carboxylic groups were studied. The study was performed in two dispersing media: water and fetal bovine serum (FBS). The results were compared with those obtained in previous work carried out for suspensions of single-walled carbon nanotubes (SWCNTs) to understand the influence of the structure of carbon nanotubes on the rheological properties when a biological medium is present. Structural characterization was performed with different techniques: XRD, IR, TGA, TEM, SEM and AFM. For the colloidal characterization, the zeta potential of the suspensions was determined at pH values between 4 and 9, our range of interest being between pH = 6-8, close to physiological pH. The measurements were done for different concentrations of suspensions (1, 1.5, 3 mg/mL) and temperature of 25, 30 and 37 °C.

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