GHTM

Global Health and Tropical Medicine

  • GHTM
    • Vision
    • Mission
    • Governance
    • Scientific Advisory Board
  • News
    • Outreach
    • Events
      • GHTM Sessions
      • Workshops
    • Articles
    • Jobs
  • Research
    • Cross-cutting issues
      • Global Pathogen Dispersion and Population Mobility
      • Drug Discovery and Drug Resistance
      • Diagnostics
      • Public Health Information
      • Fair Research Partnerships
    • Research Groups
      • PPS – Population health, policies and services
      • THOP – TB, HIV and opportunistic diseases and pathogens
      • VBD – Vector borne diseases and pathogens
      • IHC – Individual health care
    • Research in numbers
      • 2020
      • 2019
      • 2018
      • 2017
    • Projects
      • Ongoing Projects
    • Members
      • Population health, policies and services
        • PPS PhD members
        • PPS non PhD members
      • TB, HIV and opportunistic diseases and pathogens
        • THOP PhD members
        • THOP non PhD members
      • Vector-borne diseases and pathogens
        • VBD PhD members
        • VBD non PhD members
      • Individual Health Care
        • IHC PhD members
        • IHC non PhD members
      • Technical / administrative support
  • Publications
  • Education
    • Master Theses
    • PhD Theses
  • Services
Home / Archives for Coutinho JT

Thermal and magnetic properties of chitosan-iron oxide nanoparticles

  • Autores: Borges P, Coutinho JT, Ferreira IMM, Laia C, Machado D, Novo C, Pereira LCJ, Soares PIP
  • Ano de Publicação: 2016
  • Journal: Carbohydrate Polymers
  • Link: https://www.sciencedirect.com/science/article/pii/S0144861716305008

Chitosan is a biopolymer widely used for biomedical applications such as drug delivery systems, wound healing, and tissue engineering. Chitosan can be used as coating for other types of materials such as iron oxide nanoparticles, improving its biocompatibility while extending its range of applications. In this work iron oxide nanoparticles (Fe3O4 NPs) produced by chemical […]
Ler mais

Iron oxide nanoparticles stabilized with a bilayer of oleic acid for magnetic hyperthermia and MRI applications

  • Autores: Borges JP, Carvalho A, Coutinho JT, Ferreira IMM, Laia CAT, Novo C, Pereira LCJ, Soares PIP
  • Ano de Publicação: 2016
  • Journal: Applied Surface Science
  • Link: https://www.sciencedirect.com/science/article/pii/S0169433216309709

Iron oxide nanoparticles (Fe3O4, IONPs) are promising candidates for several biomedical applications such as magnetic hyperthermia and as contrast agents for magnetic resonance imaging (MRI). However, their colloidal stability in physiological conditions hinders their application requiring the use of biocompatible surfactant agents. The present investigation focuses on obtaining highly stable IONPs, stabilized by the presence […]
Ler mais

Thermal and magnetic properties of iron oxide colloids: influence of surfactants

  • Autores: Borges JP, Coutinho JT, Echeverria C, Ferreira I, Lochte F, Novo C, Pereira L, Soares P
  • Ano de Publicação: 2015
  • Journal: Nanotechnology
  • Link: http://iopscience.iop.org/article/10.1088/0957-4484/26/42/425704/meta

Iron oxide nanoparticles (NPs) have been extensively studied in the last few decades for several biomedical applications such as magnetic resonance imaging, magnetic drug delivery and hyperthermia. Hyperthermia is a technique used for cancer treatment which consists in inducing a temperature of about 41-45 °C in cancerous cells through magnetic NPs and an external magnetic […]
Ler mais

Iron oxide colloids: a comparative study of different surfactants

  • Autores: Alves AMR, Borges JP, Coutinho JT, Ferreira LMM, Novo C, Pereira LCJ, Soares PIP
  • Ano de Publicação: 2014
  • Journal: Journal of Colloid and Interface Science
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/24491328

Iron oxide nanoparticles are having been extensively investigated for several biomedical applications such as hyperthermia and magnetic resonance imaging. However, one of the biggest problems of these nanoparticles is their aggregation. Taking this into account, in this study the influence of three different surfactants (oleic acid, sodium citrate and Triton X-100) each one with various concentrations in the colloidal solutions stability was analyzed by using a rapid and facile method, the variation in the optical absorbance along time.
Ler mais

About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

Contacts

Rua da Junqueira, 100
1349-008 Lisboa
Portugal
+351 213 652 600
+351 213 632 105

  • Facebook
  • YouTube

Subscribe Newsletter

  • How to get to GHTM/IHMT
  • GHTM Sessions
  • Research Groups
  • Cross-cutting issues
© Copyright 2023 IHMT-UNL Todos os Direitos Reservados.
  • Universidade Nova de Lisboa
  • Fundação para a Ciência e a Tecnologia

    Project UID/Multi/04413/2013