Výsledky vyhledávání - "Esther G. Merino"

Biomineralization in chitosan/Bioglass® composite membranes under different dynamic mechanical conditions

Autor: Natália M. Alves, Sofia G. Caridade, João F. Mano, Esther G. Merino

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

Fundamental aspects of biomineralization may be important in order to understand and improve calcification onto the surface of biomaterials. The biomineralization process is mainly followed in vitro by assessing the evolution of the apatite layer tha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85787ee2cc269382f82155b9733a10c0
https://doi.org/10.1016/j.msec.2013.06.044

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Molecular dynamics of poly(ATRIF) homopolymer and poly(AN-co-ATRIF) copolymer investigated by dielectric relaxation spectroscopy

Autor: Esther G. Merino, Mohamed Lahcini, Salima Atlas, Anders Hult, Natália T. Correia, Ahmed Belfkira, Madalena Dionísio, Mustapha Raihane

Publikováno v: European Polymer Journal. 47:1429-1446

Aiming to develop new dielectric polymers containing CN and F groups with strong dipole moments, a novel copolymer of acrylonitrile (AN) and 2,2,2-trifluoroethyl acrylate (ATRIF) was synthesized in acetonitrile by free radical process as well as the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9d128d20b077e9f5ee8a4f86c60c768f
https://doi.org/10.1016/j.eurpolymj.2011.04.006

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Amorphous Ibuprofen Confined in Nanostructured Silica Materials: A Dynamical Approach

Autor: Natália T. Correia, Isabel Fonseca, Madalena Dionísio, Paulo Duarte Neves, Esther G. Merino, Andreas Schönhals, Ana R. Brás

Publikováno v: The Journal of Physical Chemistry C. 115:4616-4623

The molecular mobility of condensed matter confined to nanometer dimensions can be dramatically changed from those of the bulk state in such a way that, when the guest is a drug, it can be advantag...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5f4a0339da9250099c1538ea4de02cca
https://doi.org/10.1021/jp107631m

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Crosslink Effect and Albumin Adsorption onto Chitosan/Alginate Multilayered Systems: An in situ QCM-D Study

Autor: Natália M. Alves, Esther G. Merino, João F. Mano, Gabriela V. Martins

Publikováno v: Macromolecular Bioscience

The adsorption of HSA onto CHI/ALG multilayer assemblies was assessed in situ using QCM-D. It was found that the behavior of HSA on biomaterials surface can be tuned by adjusting parameters of the polyelectrolyte system such as pH, layer number, cros

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Bioactivity and Viscoelastic Characterization in Physiological Simulated Conditions of Chitosan/Bioglass® Composite Membranes

Autor: Natália M. Alves, Esther G. Merino, João F. Mano, Gisela M. Luz, Sofia G. Caridade

Publikováno v: Materials Science Forum. :26-30

A number of combinations of biodegradable polymers and bioactive ceramics have been used for orthopaedic applications including in hard tissue regeneration. Ideally, composites aimed to be used in orthopaedic applications should combine adequate mech

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c047addf7a915641861d100ede1d3f5d
https://doi.org/10.4028/www.scientific.net/msf.636-637.26

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Novel Rice-shaped Bioactive Ceramic Nanoparticles

Autor: João F. Mano, Zhongkui Hong, Rui L. Reis, Esther G. Merino

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

A study was conducted to synthesize needle-like or rice-shaped bioactive ceramic (BAC) nanoparticles. These nanoparticles were formulated with an unusually low silicon content and a relatively high phosphorus concentration. This system combined the a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64158a687d1b2816e74b4ae1cc65f1e0
https://doi.org/10.1002/adem.200800378

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Carbon nanotubes as reinforcement of cellulose liquid crystalline responsive networks

Autor: Coro Echeverria, Pedro Almeida, Maria Helena Godinho, Luis E. Aguirre, Esther G. Merino

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

The incorporation of small amount of highly anisotropic nanoparticles into liquid crystalline hydroxypropylcellulose (LC-HPC) matrix improves its response when is exposed to humidity gradients due to an anisotropic increment of order in the structure

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Investigating the influence of morphology in the dynamical behavior of semicrystalline Triton X-100: insights in the detection/nondetection of the α'-process

Autor: Carlos J. Dias, M. Teresa Viciosa, Patrick Derrollez, Madalena Dionísio, Florence Danede, Natália T. Correia, Esther G. Merino

Publikováno v: The journal of physical chemistry. B. 117(33)

The paper investigates the influence of the crystalline structure in the dynamical behavior of semicrystalline Triton X-100 allowing enlightening the reason for the detection/nondetection of the α'-process. The work was preceded by the study of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5c27c1b8667e5b30f99fbfa15d99cb3
https://pubmed.ncbi.nlm.nih.gov/23937121

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Detection of two glass transitions on triton X-100 under confinement

Autor: Florence Danede, Madalena Dionísio, Carlos J. Dias, Esther G. Merino, Abdenacer Idrissi, Natália T. Correia, Isabel Fonseca, Paulo Duarte Neves

Publikováno v: Journal of Physical Chemistry C
Journal of Physical Chemistry C, American Chemical Society, 2013, 117, pp.21516-21528. ⟨10.1021/jp404306a⟩
Journal of Physical Chemistry C, 2013, 117, pp.21516-21528. ⟨10.1021/jp404306a⟩

Because of the strong tendency of Triton X-100 to crystallize, inclusion in a SBA-15 matrix of 5.7 nm in pore diameter was used as a means to suppress crystallization. Clear evidence that Triton X-100 exists under confinement in the amorphous and sup

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6779d668eea6213d20a810dc90980102
https://hal.archives-ouvertes.fr/hal-00910265

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Chitosan membranes containing micro or nano-size bioactive glass particles : evolution of biomineralization followed by in-situ dynamic mechanical analysis

Autor: Esther G. Merino, João F. Mano, Natália M. Alves, Verónica de Zea Bermudez, Sofia G. Caridade, Aldo R. Boccaccini

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

A new family of biodegradable polymer/bioactive glass (BG) composite materials has emerged based on the availability of nano-sized bioactive particles. Such novel biocomposites can have enhanced performance, in terms of mechanical properties and bioa

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