Publications

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Azevedo, Afonso, Mariana P. Coelho, Jacinta O. Pinho, Paula I. P. Soares, Catarina P. Reis, João P. Borges, and Manuela M. Gaspar. "An alternative hybrid lipid nanosystem combining cytotoxic and magnetic properties as a tool to potentiate antitumor effect of 5-fluorouracil." (2024): 122558. Abstract
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Gavinho, Silvia, Manuel Graca, Pedro Prezas, João Borges, Jorge Silva, Eduardo Pires, Henrique Armes, and Jose Coucelo. "Antibacterial bioglass in dental implants: a canine clinical study." 31.Supplement_2 (2021): ckab120-006. Abstract
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Ana, Baptista, Ferreira Isabel, and Borges João Paulo. "Cellulose-Based Bioelectronic Devices." Cellulose: Medical, Pharmaceutical and Electronic Applications. Eds. Theo van de Ven, and Louis Godbout. INTECH, 2013. 67-82. Abstract
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JP, Borges, GODINHO MH, MARTINS AF, Trindade AC, and Belgacem MN. "Cellulose-based composite films." Mechanics of Composite Materials. 37 (2001): 257-264. Abstract
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Ana, Baptista, Ferreira Isabel, and Borges João Paulo. "Cellulose-based composite Systems for Biomedical Applications." Biomass-based Biocomposites. Eds. Vijay Kumar Thakur, and Amar Singh Singha. Smithers Rapra, 2013. 47-60. Abstract
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Cardoso, João, Patrícia Almeida, Gonçalo Catatão, Guilherme Cândida, Frederico Páscoa, Daniela Silva, Carla Machado, João P. Borges, and Alexandre Velhinho. "Designing Structural Metamaterials." 8.1 (2022): 55. Abstract
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MP, Ribeiro, Espiga A, Silva D, Baptista P, Henriques J, Ferreira C, Silva JC, Borges JP, Pires E, Chaves P, and Correia IJ. "Development of a new chitosan hydrogel for wound dressing." WOUND REPAIR AND REGENERATION. 17 (2009): 817-824. Abstract
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AC, Baptista, Botas AM, Almeida AP, Nicolau AT, Falcão BP, Soares MJ, Leitão JP, Martins R, Borges JP, and Ferreira I. "Down conversion photoluminescence on PVP/Ag-nanoparticles electrospun composite fibers." Optical Materials. 39 (2015): 278-281. Abstract
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Soares, PI, AM Alves, LC Pereira, JT Coutinho, IM Ferreira, CM Novo, and J. P. Borges. "Effects of surfactants on the magnetic properties of iron oxide colloids." J Colloid Interface Sci.. 419 (2014): 46-51. AbstractWebsite

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.

The synthesized nanoparticles through chemical precipitation showed an average size of 9 nm and a narrow size distribution. X-ray diffraction pattern and Fourier Transform Infrared analysis confirmed the presence of pure magnetite. SQUID measurements showed superparamagnetic properties with a blocking temperature around 155 K. In addition it was observed that neither sodium citrate nor Triton X-100 influences the magnetic properties of the nanoparticles. On the other hand, oleic acid in a concentration of 64 mM decreases the saturation magnetization from 67 to 45 emu/g. Oleic acid exhibits a good performance as stabilizer of the iron oxide nanoparticles in an aqueous solution for 24 h, for concentrations that lead to the formation of the double layer.

AS, Pedrosa, Borges JPMR, Neagu E, Marat-Mendes JN, and Lança MCH Electrical characterization of biphasic ceramics used in hard tissue replacement., 2013. Abstract
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Almeida, PL; Kundu, S.; Borges, JP; Godinho, and MH; Figueirinhas. "Electro-optical light scattering shutter using electrospun cellulose-based nano- and microfibers." 95 (2009): –-. Abstract
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AFR, Pimenta, Baptista AC, Carvalho T, Brogueira P, Lourenco NMT, Afonso CAM, Barreiros S, Vidinha P, and Borges JP. "Electrospinning of Ion Jelly fibers." MATERIALS LETTERS. 83 (2012): 161-164. Abstract
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AC, Baptista, Ferreira I, and Borges JP. "Electrospun Fibers in Composite Materials for Medical Applications." Journal of Composites and Biodegradable Polymers. 1.1 (2013): 56-65. Abstract

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Gonçalves, Adriana, Beatriz T. Simões, Filipe V. Almeida, Susete N. Fernandes, Manuel Valente, Tânia Vieira, Célia Henriques, João Paulo Borges, and Paula I. P. Soares. "Engineering dual-stimuli responsive poly (vinyl alcohol) nanofibrous membranes for cancer treatment by magnetic hyperthermia." 145 (2023): 213275. Abstract
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Simões, Beatriz T., Filipe V. Almeida, João Paulo Borges, and Paula I. P. Soares. "Extracellular Hyperthermia for the Treatment of Advanced Cutaneous Melanoma." 8.1 (2022): 56. Abstract
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Khili, Faouzia, Joao Borges, Pedro L. Almeida, Rabah Boukherroub, and Amel Dakhlaoui Omrani. "Extraction of cellulose nanocrystals with structure I and II and their applications for reduction of graphene oxide and nanocomposite elaboration." (2018): 1-15. Abstract
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Khili, Faouzia, Joao Borges, Pedro L. Almeida, Rabah Boukherroub, and Amel Dakhlaoui Omrani. "Extraction of cellulose nanocrystals with structure I and II and their applications for reduction of graphene oxide and nanocomposite elaboration." 10.7 (2019): 1913-1927. Abstract
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Soares, P. I. P., C. Echeverria, AC Baptista, C. F. C. João, S. N. Fernandes, A. P. C. Almeida, JC Silva, M. H. Godinho, and J. P. Borges Hybrid polysaccharide-based systems for biomedical applications. Hybrid Polymer Composite Materials: Applications., 2017. AbstractWebsite

Hybrid materials have been widely studied for structural applications. Polysaccharide-based fibers, especially cellulosic fibers, have been explored in the last two decades as substitutes of the traditional reinforcements made of glass or carbon fibers due to their mechanical properties. However, their biocompatibility, biodegradability, and chemistry have attracted the researchers and new developments in the field of smart and functional materials arise in diverse applications. This chapter will focus on the biomedical applications of polysaccharide-based smart and functional materials, namely those concerning biosensors and actuators, theranostic systems, and tissue-engineering applications. Special attention will be given to cellulose- and chitin/chitosan-based hybrid materials because these are the two most abundant polysaccharides and probably the most promising for the development of hybrid materials for biomedical applications. Biomimetic strategies for the development of smart and functional hybrid materials will also be highlighted. © 2017 Elsevier Ltd All rights reserved.

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Gonçalves, Adriana, Filipe V. Almeida, João Paulo Borges, and Paula I. P. Soares. "Incorporation of Dual-Stimuli Responsive Microgels in Nanofibrous Membranes for Cancer Treatment by Magnetic Hyperthermia." 7.1 (2021): 28. Abstract
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A, Pedrosa, Lanca MC, Borges JP, Neagu ER, Dias CJ, and Marat-Mendes JN. "Influence of Polarization on the Bioactivity of Nanopowders of Hydroxyapatite." 2011 14TH INTERNATIONAL SYMPOSIUM ON ELECTRETS (ISE) (2011): 55-56. Abstract
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E, Fortunato, Nunes P, Marques A, Costa D, Aguas H, Ferreira I, d CMEV, GODINHO MH, Almeida PL, Borges JP, and Martins R. "Influence of the strain on the electrical resistance of zinc oxide doped thin film deposited on polymer substrates." Advanced Engineering Materials. 4 (2002): 610-612. Abstract
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Ana, Baptista, Soares Paula, Ferreira Isabel, and Borges João Paulo. "Nanofibers and Nanoparticles in Biomedical Applications." Bioengineered Nanomaterials. Ed. Ashutosh Tiwari Atul Tiwari. CRC Press, 2013. 93-123. Abstract
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A, Baptista, Soares Ferreira P. I, and Borges JP. "Nanofibers and Nanoparticles in Biomedical Applications." Bioengineered Nanomaterials. Eds. Atul Tiwari, and Ashutosh Tiwari. CRC Press - Taylor & Francis Group, 2014. 93-123. Abstract
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JP, Borges, GODINHO MH, Belgacem MN, and MARTINS AF. "New bio-composites based on short fibre reinforced hydroxypropylcellulose films." Composite Interfaces. 8 (2001): 233-241. Abstract
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V, Santos, Borges JP, Ranito CMS, Pires E, Araujo H, Marques A, Tomas L, Fortunato E, Martins R, and Nunes Y. "Novel multilayer coatings on polyethylene for acetabular devices." Advanced Materials Forum Iii, Pts 1 and 2. Vol. 514-516. Materials Science Forum, 514-516. 2006. 868-871. Abstract
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