Ana Margarida Madeira Viegas de Barros Timmon

Assistant Professor

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Department

  • Chemistry
  • 29.1.34

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Short CV

Education: (i) PhD in Chemistry from the University of Manchester under the supervision of Professor Philip Hodge, Thesis: “The Synthesis and Study of Novel Materials for Use as Functional LB Films” (1997);  (ii) M.Sc. in Bioactive Molecules, University of North London (1992); (iii) 4th year of the Course of Applied Chemistry - Organic Chemistry, Univ. Nova de Lisboa (1990); (iv) B.Sc. in Chemical Engineering, ISEL (1988).

Professional Experience:

Since July 1996 - Universidade de Aveiro – Assistant Professor at the Dept. of Chemistry responsible for a variety of courses on Polymers and Chemical Engineering laboratories. During this period, amongst various administrative jobs, has participated in the preparation of two Erasmus Mundus MSc programmes in the field of Materials Science which she coordinated and/or was/is member of the coordination team;

1993 - 1996 - University of Manchester - Dept. of Chemistry (Polymer Section) - Research Assistant. Synthesis of amphiphilic polymers and calixarenes; Study of monolayer properties, fabrication and characterization of the derived Langmuir-Blodgett films.

1993 - 6 months contract at SHELL (Kent) - Dept. of Environment - Research Assistant. Bioremediation and analyses of soils and ground waters.

1991 - 1993 KODAK (London) - Dept. of Emerging Technologies - Synthetic Chemist. Synthesis of new polymeric surfactants for drug delivery and imaging; use of a computer controlled reactor.

1987 - 1990 LNETI (Queluz) - Dept. of Chemical Technologies - Research Assistant. Synthesis, scale-up and purification of resinic acids derivatives.

Scientific Interests

Synthesis and characterization of functional polymer based nanocomposites (PFN) via in situ polymerization techniques namely emulsion and miniemulsion; Radical controlled/living polymerization mechanisms namely ATRP and RAFT; Surface modification of inorganic nanoparticles for the preparation of PFN; Use of polysaccharides to prepare nanocomposites and hybrid materials;Thermal analysis; Biosensors and Colloids.

Present projects

- FCT-IUPAC/0001/2009-Encircle-Polymer-ENCapsulation of anisotropic InoRganic partiCLEs by RAFT-mediated emulsion polymerization” , 1-07-2011 -30_06-2014 (95.000,00 €) ; National Project Coordinator.

- EXPL/CTM-ENE/0548/2012 – “CelFuelCel – Bacterial Cellulose membranes for proton exchange fuel cells”; 1-1-2013 to: 31-12-2013  (48.082,00 €); - team member.

- RECI/CTM-CER/0336/2012 – “Heat@UA  Facing the challenges of characterizing novel thermal materials and processes”; 1/3/2013 to 31/12/2015 (425.134,00 €); - team member.

Research funded via QREN

-  Greenpec, July 2013 - June 2015 ( 351.524, 88 €); - team member.

 

Selected Publications

List of most representative publications during the last 5 years  

Book Chapter

Esteves ACC, Barros-Timmons A (2011) “Synthetic Strategies for Polymer Based - Nanocomposite Particles”. In Trindade T, Daniel-da-Silva AL (ed.). In “Nanocomposite Particles for Bio-Applications – Materials and Bio-Interfaces”, Singapore, Pan Stanford Publishing, pp.  115-143. ISBN:13 978-981-4267-78-6.

 Scientific Papers

  • M Ghislandi, K Schulte, A. Barros-Timmons and Luis A. S. A. Prado, “Effect of filler functionalization on thermo-mechanical properties of Polyamide 12 / Carbon nanofibers composites: A study of filler-matrix molecular interactions”, Accepted by Journal of Materials Science,  August 2013.
  • Sónia O. Pereira, Ana Barros-Timmons, Tito Trindade, “Biofunctionalization of colloidal gold nanoparticles via polyelectrolytes assemblies”, Colloid and Polymer Science 2013. In press.
  • P. R. Figueiredo, A. Alonso-Varona, S. C. M. Fernandes, T. Palomares, E. Rubio, A. Barros-Timmons, A.J. D. Silvestre, C.P. Neto and C. S. R. Freire, “Biocompatible Bacterial Cellulose–Poly(2-hydroxyethyl methacrylate) Nanocomposite Films”, BioMed Research International, April 2013. In press.
  • Paula S. S. Lacerda, Ana M. M. V. Barros-Timmons, Carmen S. R. Freire, Armando J. D. Silvestre, Carlos P. Neto, “Nanostructured composites obtained by ATRP sleeving of bacterial cellulose nanofibers with acrylate polymers”, Biomacromolecules, 14, 2063−2073 (2013).
  • Adriano A. Torrano, Ângela S. Pereira, Osvaldo N. Oliveira Jr and Ana Barros-Timmons, “Probing the Interaction of Oppositely Charged Gold Nanoparticles with DPPG and DPPC Langmuir Monolayers as Cell Membrane Models”, Colloids and Surfaces B: Biointerfaces, 108 (2013) 120– 126.
  • Gil Gonçalves,Paula A. A. P. Marques,, Ana Barros-Timmons,Igor Bdkin, Manoj K. Singh, Nazanin Emami and José Grácio, "Graphene oxide modified with PMMA via ATRP as reinforcement filler", J. Mater. Chem., 20 (44): 9927 – 9934 (2010).
  • Fabiane Oliveira, Sónia R. Monteiro, Ana Barros-Timmons, J.A. Lopes-da-Silva, “Weak-gel formation in dispersions of silica particles in a matrix of a nonionic polysaccharide: Structure and rheological characterization”,Carbohydrate Polymers, 82: 1219–1227 (2010).
  • Belete A. Gonfa, A. F. da Cunha and Ana B. Timmons, “ZnO Nanostructures for Photovoltaic Cells”, Physica Status Solidi  B, 247:1633-1636 (2010). 
  • Oliveira, F. C., Barros-Timmons, A., Lopes-da-Silva, J.A., “Preparation and characterization of chitosan/SiO2 composite films”, J. Nanosc. Nanotech., 10(4): 2816 (2010). 
  • Pavinatto, Adriana, Pavinatto, Felippe, Barros-Timmons, Ana, Oliveira, Osvaldo, “Electrostatic interactions are not sufficient to account for the chitosan bioactivity", ACS Applied Materials &  Interfaces, 2, 1, 246–251 (2010).
  • A.C.C: Esteves, P. Hodge, T. Trindade and A.M.M. V Barros-Timmons, “Preparation of nancomposites by Reversible addition-fragmentation chain transfer /RAFT) Polymerization from the surface of Quantum Dots in Miniemulsion”, J. Polym. Sci.: Part A: Polymer Chemistry, 47: 5367-5377(2009).
  • F. Amaral, C.P.L. Rubinger, F. Henry, L.C. Costa, M.A. Valente, A. Barros-Timmons, “Dielectric properties of polystyrene–CCTO composite”,  J Non-Cryst Solids, 354: 5321–5322 (2008).
  • S. Pereira, P. Rauwel, M. S. Reis, N. J. O. Silva, A. Barros-Timmons, T. Trindade, “Polymer encapsulation effects on the magnetism of EuS nanocrystals”, J. Mater. Chem., 18: 1–8 (2008).  
  • Marián Lehocký, Priscilla Filomena Fonseca Amaral, Pavel Sťahel, Maria Alice Zarur Coelho, Ana Margarida Barros-Timmons and João Araújo Pereira Coutinho, “Deposition of Yarrowia lipolytica on Plasma Prepared Teflon-Like Thin Films”, Surface Engineering, 24: 23-27 (2008).
  • M.G. Ghislandi, L.A.S.A. Prado, A.V. Oyerviedes, H. Wittich, K. Schulte, A. Barros- Timmons, “Functionalisation of Carbon Nanofibres (CNFs) through Atom Transfer Radical Polymerisation for the Preparation of Poly(tert-butyl acrylate)/CNF Materials: Spectroscopic, Thermal, Morphological and Physical Characterisations”, J. Polym. Sci.: Part A: Polymer Chemistry: 46, 3326–3335 (2008).
  • C.P.L. Rubinger, L.C. Costa, A.C.C. Esteves, A. Barros-Timmons,J.A. Martins, “Hopping conduction on PPy/SiO2 nanocomposites obtained via in situ emulsion polymerisation”, J. Mater Sci , 43: 3333–3337 (2008).
  • R. J. B. Pinto, P. A. A. P. Marques, A. M. Barros-Timmons, T. Trindade, C. Pascoal Neto, “Novel SiO2/cellulose nanocomposites obtained by in situ synthesis and via polyelectrolytes assembly”,  Compos Sci Technol. 68: 1088–1093(2008).
  • A.C. Esteves, L. Bombalski, K. Matyjaszewski, T. Trindade and A.M. Barros-Timmons, “polymer grafting from CdS Quantum Dots via AGET ATRP in Miniemulsion”, Small, 3: 7, 1230-1236 (2007).
  • Marián Lehocký, Priscilla Filomena Fonseca Amaral, Pavel Sťahel, Maria Alice Zarur Coelho, Ana Margarida Barros-Timmons, João Araújo Pereira Coutinho, “Preparation and characterization of organosilicon thin films for selective adhesion of Yarrowia lipolytica yeast cells”, J. Chem. Technol.  Biotechnol, 82:360–366 (2007).

Projects

Bacterial Cellulose Membranes for Proton Exchange Fuel Cells (EXPL/CTM-ENE/0548/2012)

PartnerFundação para a Ciência e a Tecnologia
Bacterial cellulose fuell cells proton exchange membranes in situ polymerization/grafting

Desenvolvimento de espumas flexíveis de poliuretano de baixo odor para a indústria automóvel (Ecofoam)

PartnerIndustry National
O projeto EcoFoam tem como principal objetivo produzir PUF para a indústria automóvel com características inovadoras ao nível da sua contribuição para a qualidade do ar interior do automóvel, tanto na fase inicial do automóvel (“carro novo”), como nos seus primeiros meses de vida, antecipando-se, de uma forma autoimposta, a uma exigência superio...

Ecopolyol - Desenvolvimento do processo de produção de polióis a partir de resíduos de biomassa (ECOPOLYOL)

PartnerIndustry National
Construção e desenvolvimento de uma Instalação Piloto para Demonstração Industrial, certificação e validação do processo industrial do ponto de vista de Boas Práticas e Tecnologia Segura, obtenção de amostras industriais e certificação produto. Testar a viabilidade química e física das matérias primas.

Enabling the Next Generation of Smarter Transformers (NEXTRA)

PartnerIndustry National

Encircle - Polymer-encapsulation of anisotropic inorganic particles by RAFT-mediated emulsion polymerization (FCT-IUPAC/0001/2009)

Local CoordinatorFundação para a Ciência e a Tecnologia

Facing the challenges of characterizing novel thermal materials and processes (Heat@UA) (RECI/CTM-CER/0336/2012)

PartnerFundação para a Ciência e a Tecnologia
Thermal properties of materials Thermal processes Thermometry Nano-scale studies

GREENCORK (GREENCORK)

PartnerIndustry National
"O Projeto GREENCORK tem por objetivo capacitar a Amorim Cork a ser a primeira empresa a lançar no mercado uma gama de rolhas de cortiça aglomerada com colas e tratamentos de superfície Bio, produzidas por processos mais verdes e mais sustentáveis. Este produto será extremament...

GREENPEC - Desenvolvimento de um plastificante primário para PVC, de origem animal e livre de ftalatos (GREENPEC )

PartnerIndustry National
O objetivo principal deste projeto, levado a cabo pelo consórcio entre a Sapec Química e a Universidade de Aveiro, consiste no desenvolvimento de um plastificante primário para PVC originado a partir de óleos vegetais, os quais são considerados recursos renováveis e agentes de crescimento sustentável. Com o cumprimento destes objetivos, prevê-se...

Innovative Products and Technologies from Eucalyptus Project (ImPacTus)

PartnerIndustry National
Inpactus, to be developed by the Consortium, aims to develop new solutions, such as cellulosic pulps with innovative features, new paper products with different specificities and functions, tissue paper with innovative properties, new bioproducts, biofuels and other materials obtained from the deconstruction and conversion of forest biomass and ...

Inovadores Adesivos Texteis Condutores (CONDAD)

PartnerIndustry National
O presente projeto enquadra-se numa estratégia da Heliotextil no sentido de desenvolver adesivos têxteis inovadores para obtenção de transferes condutores e de alta temperatura, destinados à incorporação de dispositivos eletrónicos em roupa, ultrapassando uma lacuna do mercado actual.

Nanochemistry of magnetic/luminescent composites for in vitro medical diagnosis applications (PTDC/QUI/67712/2006)

PartnerFundação para a Ciência e a Tecnologia
Nanoparticles Nanocomposites Magnetism/Luminescence Antibodies bioconjugation

SGH : Smart Green Homes (Smart Green Homes)

PartnerIndustry National
The Smart Green Homes (SGH) Project aims to develop integrated product and technology solutions for the households, raising standards of comfort, safety and user satisfaction to a new level and, at the same time, to respond to the problems of sustainability of the Planet, increasing the energy efficiency and reducing the emission of gaseous poll...

Study of functional mortars for a sustainable construction (PTDC/ECM/72104/2006)

PartnerFundação para a Ciência e a Tecnologia
mortar sustainable construction functional material energy and environment

Valorização de desperdícios de espumas flexíveis de poliuretano por conversão em polióis (FlexiRecover)

PartnerIndustry National
The main purpose of this project is the development of a production process of polyols from residues and sub products of flexible polyurethane foams with quality to be reincorporated in the production of new foams, with a percentage of 10-20% of the virgin polyols used and whose application sectors are the Flexible polyurethane foam manufacturer...

Publications

Surface treatment of eucalyptus wood for improved HDPE composites properties

Gama, N; Barros-Timmons, A; Ferreira, A; Evtuguin, D
2020, JOURNAL OF APPLIED POLYMER SCIENCE, 137, 17.
ISBN: 1097-4628

Effect of different catalysts on the oxyalkylation of eucalyptus Lignoboost (R) kraft lignin

Vieira, FR; Barros-Timmons, A; Evtuguin, DV; Pinto, PCR
2020, HOLZFORSCHUNG, 74, 6, 567-576.
ISBN: 1437-434X

Biofunctional Polymer Coated Au Nanoparticles Prepared via RAFT-Assisted Encapsulating Emulsion Polymerization and Click Chemistry

Pereira, SO; Trindade, T; Barros-Timmons, A
2020, POLYMERS, 12, 7.
ISBN: 2073-4360

Development of polyurethane foam incorporating phase change material for thermal energy storage

Amaral, C; Pinto, SC; Silva, T; Mohseni, F; Amaral, JS; Amaral, VS; Marques, PAAP; Barros-Timmons, A; Vicente, R
2020, JOURNAL OF ENERGY STORAGE, 28.

Effects of resin content on mechanical properties of cork-based panels bound with melamine-urea-formaldehyde and polyurethane binders

Antunes, A; Pereira, J; Paiva, N; Ferra, J; Martins, J; Carvalho, L; Barros-Timmons, A; Magalhaes, FD
2020, INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES, 101.
ISBN: 1879-0127

Yarrowia lipolytica Adhesion and Immobilization onto Residual Plastics

Botelho, A; Penha, A; Fraga, J; Barros-Timmons, A; Coelho, MA; Lehocky, M; Stepankova, K; Amaral, P
2020, POLYMERS, 12, 3.
ISBN: 2073-4360

Grafting Poly(Methyl Methacrylate) (PMMA) from Cork via Atom Transfer Radical Polymerization (ATRP) towards Higher Quality of Three-Dimensional (3D) Printed PMMA/Cork-g-PMMA Materials

Lacerda, PSS; Gama, N; Freire, CSR; Silvestre, AJD; Barros-Timmons, A
2020, POLYMERS, 12, 9.
ISBN: 2073-4360

Impact of critical micelle concentration of macroRAFT agents on the encapsulation of colloidal Au nanoparticles

Pereira, SO; Trindade, T; Barros-Timmons, A
2019, JOURNAL OF COLLOID AND INTERFACE SCIENCE, 545, 251-258.
ISBN: 1095-7103

Impact of the Synthesis Procedure on Urea-Formaldehyde Resins Prepared by Alkaline-Acid Process

Goncalves, C; Pereira, J; Paiva, N; Ferra, J; Martins, J; Magalhaes, F; Barros-Timmons, A; Carvalho, L
2019, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 58, 14, 5665-5676.

Insights into the photoluminescence properties of gel-like carbon quantum dots embedded in poly(methyl methacrylate) polymer

Rodrigues, J; Pereira, SO; Teixeira, SS; Zhou, YQ; Peng, ZL; Liyanage, PY; Leblanc, RM; Barros-Timmons, AMMV; Costa, LC; Costa, FM; Monteiro, T
2019, MATERIALS TODAY COMMUNICATIONS, 18, 32-38.

Impact of alkaline-acid and strongly acid process on the synthesis of urea-formaldehyde resins and derived composites: a comparison study

Gon?alves, C; Pereira, J; Almeida, M; Paiva, NT; Ferra, JM; Martins, JM; Magalhaes, FD; Barros-Timmons, A; Carvalho, LH
2019, EUROPEAN JOURNAL OF WOOD AND WOOD PRODUCTS, 77, 6, 1177-1187.
ISBN: 1436-736X

3D printed cork/polyurethane composite foams

Gama, N; Ferreira, A; Barros-Timmons, A
2019, MATERIALS & DESIGN, 179.
ISBN: 1873-4197

Interaction of Cationic, Anionic, and Nonionic Macroraft Homo- and Copolymers with Laponite Clay

Chaparro, TD; Silva, RD; Monteiro, IS; Barros-Timmons, A; Giudici, R; dos Santos, AM; Bourgeat-Lami, E
2019, LANGMUIR, 35, 35, 11512-11523.

Cure and performance of castor oil polyurethane adhesive

Gama, N; Ferreira, A; Barros-Timmons, A
2019, INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES, 95.
ISBN: 1879-0127

Monodisperse N-Doped Graphene Nanoribbons Reaching 7.7 Nanometers in Length

Cortizo-Lacalle, D; Mora-Fuentes, JP; Strutynski, K; Saeki, A; Melle-Franco, M; Mateo-Alonso, A
2018, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 57, 3, 703-708.

Effect of unrefined crude glycerol composition on the properties of polyurethane foams

Gama, NV; Soares, B; Freire, CSR; Silva, R; Ferreira, A; Barros-Timmons, A
2018, JOURNAL OF CELLULAR PLASTICS, 54, 3, 633-649.

Blocked melamine-urea-formaldehyde resins and their usage in agglomerated cork panels

Antunes, A; Gomes, A; Paiva, N; Ferra, J; Martins, J; Carvalho, L; Barros-Timmons, A; Magalhaes, FD
2018, JOURNAL OF APPLIED POLYMER SCIENCE, 135, 35.

Polymer@gold Nanoparticles Prepared via RAFT Polymerization for Opto-Biodetection

Pereira, SO; Barros-Timmons, A; Trindade, T
2018, POLYMERS, 10, 2.

Understanding the interactions of imidazolium-based ionic liquids with cell membrane models

Mendonca, CMN; Balogh, DT; Barbosa, SC; Sintra, TE; Ventura, SPM; Martins, LFG; Morgado, P; Filipe, EJM; Coutinho, JAP; Oliveira, ON; Barros-Timmons, A
2018, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 20, 47, 29764-29777.

Partial replacement of melamine by benzoguanamine in MUF resins towards improved flexibility of agglomerated cork panels

Antunes, A; Duarte, M; Paiva, N; Ferra, J; Martins, J; Carvalho, L; Barros-Timmons, A; Magalhaes, FD
2018, INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES, 87, 142-150.

Polyurethane Foams: Past, Present, and Future

Gama, NV; Ferreira, A; Barros-Timmons, A
2018, MATERIALS, 11, 10.

Thermal Energy Storage and Mechanical Performance of Crude Glycerol Polyurethane Composite Foams Containing Phase Change Materials and Expandable Graphite

Gama, NV; Amaral, C; Silva, T; Vicente, R; Coutinho, JAP; Barros-Timmons, A; Ferreira, A
2018, MATERIALS, 11, 10.

Introducing Flexibility in Urea-Formaldehyde Resins: Copolymerization with Polyetheramines

Antunes, A; Rego, M; Paiva, N; Ferra, J; Martins, J; Carvalho, L; Barros-Timmons, A; Magalhaes, FD
2018, JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 56, 16, 1834-1843.

Highly flexible glycol-urea-formaldehyde resins

Antunes, A; Paiva, N; Ferra, J; Martins, J; Carvalho, L; Barros-Timmons, A; Magalhaes, FD
2018, EUROPEAN POLYMER JOURNAL, 105, 167-176.

Enhancement of physical and reaction to fire properties of crude glycerol polyurethane foams filled with expanded graphite

Gama, NV; Silva, R; Mohseni, F; Davarpanah, A; Amaral, VS; Ferreira, A; Barros-Timmons, A
2018, POLYMER TESTING, 69, 199-207.

Utilization and characterization of amino resins for the production of wood-based panels with emphasis on particleboards (PB) and medium density fibreboards (MDF). A review

Goncalves, C; Paiva, NT; Ferra, JM; Martins, J; Magalhaes, F; Barros-Timmons, A; Carvalho, L
2018, HOLZFORSCHUNG, 72, 8, 653-671.

Statistical evaluation of the effect of urea-formaldehyde resins synthesis parameters on particleboard properties

Goncalves, C; Pereira, J; Paiva, NT; Ferra, JM; Martins, J; Magalhaes, F; Barros-Timmons, A; Carvalho, L
2018, POLYMER TESTING, 68, 193-200.

A Comparative Study of Chemical Routes for Coating Gold Nanoparticles via Controlled RAFT Emulsion Polymerization

Pereira, SO; Barros-Timmons, A; Trindade, T
2017, PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION, 34, 2.

Investigation of the Adsorption of Amphipathic macroRAFT Agents onto Montmorillonite Clay

Silva, RD; Monteiro, IS; Chaparro, TD; Hardt, RS; Giudici, R; Barros-Timmons, A; Bourgeat-Lami, E; dos Santos, AM
2017, LANGMUIR, 33, 38, 9598-9608.

Phase change materials and carbon nanostructures for thermal energy storage: A literature review

Amaral, C; Vicente, R; Marques, PAAP; Barros-Timmons, A
2017, RENEWABLE & SUSTAINABLE ENERGY REVIEWS, 79, 1212-1228.

Adsorption study of a macro-RAFT agent onto SiO2-coated Gd2O3:Eu3+ nanorods: Requirements and limitations

Zou, H; Melro, L; Chaparro, TD; de Souza, IR; Ananias, D; Bourgeat-Lami, E; dos Santos, AM; Barros-Timmons, A
2017, APPLIED SURFACE SCIENCE, 394, 519-527.
ISBN: 1873-5584

Sound absorption properties of polyurethane foams derived from crude glycerol and liquefied coffee grounds polyol

Gama, N; Silva, R; Carvalho, APO; Ferreira, A; Barros-Timmons, A
2017, POLYMER TESTING, 62, 13-22.
ISBN: 1873-2348

Insights into the physical properties of biobased polyurethane/expanded graphite composite foams

Gama, N; Costa, LC; Amaral, V; Ferreira, A; Barros-Timmons, A
2017, COMPOSITES SCIENCE AND TECHNOLOGY, 138, 24-31.
ISBN: 1879-1050

Piezoelectric poly(lactide) stereocomplexes with a cholinium organic ionic plastic crystal

Barbosa, P; Campos, J; Turygin, A; Shur, VY; Kholkin, A; Barros-Timmons, A; Figueiredo, FM
2017, JOURNAL OF MATERIALS CHEMISTRY C, 5, 46, 12134-12142.

Natural Ageing Tests to Study In-service Different Faade SolutionsãETICS and Premixed One-Coat Rendered Walls

LuÍs Silva, Ins Flores-Colen, Nuno Vieira and Ana Barros Timmons
2016, Journal of Civil Engineering and Architecture, 10, 667-674.

Statistical evaluation of the effect of formulation on the properties of crude glycerol polyurethane foams

Gama, NV; Silva, R; Costa, M; Barros-Timmons, A; Ferreira, A
2016, POLYMER TESTING, 56, 200-206.

Biotinylation of optically responsive gold/polyelectrolyte nanostructures

Pereira, SO; Trindade, T; Barros-Timmons, A
2015, GOLD BULLETIN, 48, 01-Feb, 3-11.

Rigid polyurethane foams derived from cork liquefied at atmospheric pressure

Gama, NV; Soares, B; Freire, CSR; Silva, R; Brandao, I; Neto, CP; Barros-Timmons, A; Ferreira, A
2015, POLYMER INTERNATIONAL, 64, 2, 250-257.

Bio-based polyurethane foams toward applications beyond thermal insulation

Gama, NV; Soares, B; Freire, CSR; Silva, R; Neto, CP; Barros-Timmons, A; Ferreira, A
2015, MATERIALS & DESIGN, 76, 77-85.

Spent coffee grounds as a renewable source for ecopolyols production

Soares, B; Gama, N; Freire, CSR; Barros-Timmons, A; Brandao, I; Silva, R; Neto, CP; Ferreira, A
2015, JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, 90, 8, 1480-1488.

Antimicrobial bacterial cellulose nanocomposites prepared by in situ polymerization of 2-aminoethyl methacrylate

Figueiredo, ARP; Figueiredo, AGPR; Silva, NHCS; Barros-Timmons, A; Almeida, A; Silvestre, AJD; Freire, CSR
2015, CARBOHYDRATE POLYMERS, 123, 443-453.

3D scaffolds from vertically aligned carbon nanotubes/poly(methyl methacrylate) composites via atom transfer radical polymerization

Tebikachew, B; Magina, S; Mata, D; Oliveira, FJ; Silva, RF; Barros-Timmons, A
2015, MATERIALS CHEMISTRY AND PHYSICS, 149, 378-384.

Studies on PLA grafting onto graphene oxide and its effect on the ensuing composite films

Campos, JM; Ferraria, AM; do Rego, AMB; Ribeiro, MR; Barros-Timmons, A
2015, MATERIALS CHEMISTRY AND PHYSICS, 166, 122-132.

Interactions of bioactive molecules & nanomaterials with Langmuir monolayers as cell membrane models

Nobre, TM; Pavinatto, FJ; Caseli, L; Barros-Timmons, A; Dynarowicz-Latka, P; Oliveira, ON
2015, THIN SOLID FILMS, 593, 158-188.

Biofunctionalisation of colloidal gold nanoparticles via polyelectrolytes assemblies

Pereira, SO; Barros-Timmons, A; Trindade, T
2014, COLLOID AND POLYMER SCIENCE, 292, 1, 33-50.

Nanostructured Bacterial Cellulose-Poly(4-styrene sulfonic acid) Composite Membranes with High Storage Modulus and Protonic Conductivity

Gadim, TDO; Figueiredo, AGPR; Rosero-Navarro, NC; Vilela, C; Gamelas, JAF; Barros-Timmons, A; Neto, CP; Silvestre, AJD; Freire, CSR; Figueiredo, FML
2014, ACS APPLIED MATERIALS & INTERFACES, 6, 10, 7864-7875.

Ecopolyol Production from Industrial Cork Powder via Acid Liquefaction Using Polyhydric Alcohols

Soares, B; Gama, N; Freire, C; Barros-Timmons, A; Brandao, I; Silva, R; Neto, CP; Ferreira, A
2014, ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 2, 4, 846-854.

Processing and characterization of polyurethane nanocomposite foam reinforced with montmorillonite-carbon nanotube hybrids

Madaleno, L; Pyrz, R; Crosky, A; Jensen, LR; Rauhe, JCM; Dolomanova, V; Timmons, AMMVD; Pinto, JJC; Norman, J
2013, COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING, 44, 1-7.

Nanostructured Composites Obtained by ATRP Sleeving of Bacterial Cellulose Nanofibers with Acrylate Polymers

Lacerda, PSS; Barros-Timmons, AMMV; Freire, CSR; Silvestre, AJD; Neto, CP
2013, BIOMACROMOLECULES, 14, 6, 2063-2073.

Probing the interaction of oppositely charged gold nanoparticles with DPPG and DPPC Langmuir monolayers as cell membrane models

Torrano, AA; Pereira, AS; Oliveira, ON; Barros-Timmons, A
2013, COLLOIDS AND SURFACES B-BIOINTERFACES, 108, 120-126.

Effect of colloidal silver and gold nanoparticles on the thermal behavior of poly(t-butyl acrylate) composites

Fateixa, S; Daniel-da-Silva, AL; Jordao, N; Barros-Timmons, A; Trindade, T
2013, COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 436, 231-236.

Effect of filler functionalization on thermo-mechanical properties of polyamide-12/carbon nanofibers composites: a study of filler-matrix molecular interactions

Ghislandi, M; Prado, LASD; Schulte, K; Barros-Timmons, A
2013, JOURNAL OF MATERIALS SCIENCE, 48, 24, 8427-8437.

Biocompatible Bacterial Cellulose-Poly(2-hydroxyethyl methacrylate) Nanocomposite Films

Figueiredo, AGPR; Figueiredo, ARP; Alonso-Varona, A; Fernandes, SCM; Palomares, T; Rubio-Azpeitia, E; Barros-Timmons, A; Silvestre, AJD; Neto, CP; Freire, CSR
2013, BIOMED RESEARCH INTERNATIONAL.

Mechanical properties and morphology of nano-reinforced rigid PU foam

Dolomanova, V; Rauhe, JCM; Jensen, LR; Pyrz, R; Timmons, AB
2011, JOURNAL OF CELLULAR PLASTICS, 47, 1, 81-93.

ZnO nanostructures for photovoltaic cells

Gonfa, BA; da Cunha, AF; Timmons, AB
2010, PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 247, 7, 1633-1636.

Weak-gel formation in dispersions of silica particles in a matrix of a non-ionic polysaccharide: Structure and rheological characterization

Oliveira, F; Monteiro, SR; Barros-Timmons, A; Lopes-da-Silva, JA
2010, CARBOHYDRATE POLYMERS, 82, 4, 1219-1227.

Langmuir monolayers of fractions of cork suberin extract

Barros-Timmons, A; Lopes, MH; Neto, CP; Dhanabalan, A; Oliveira, ON
2010, COLLOIDS AND SURFACES B-BIOINTERFACES, 79, 2, 516-520.

Luminescent SiO2-coated Gd2O3:Eu3+ nanorods/poly(styrene) nanocomposites by in situ polymerization

Macedo, AG; Martins, MA; Fernandes, SEM; Barros-Timmons, A; Trindade, T; Carlos, LD; Rocha, J
2010, OPTICAL MATERIALS, 32, 12, 1622-1628.

Electrostatic Interactions Are Not Sufficient to Account for Chitosan Bioactivity

Pavinatto, A; Pavinatto, FJ; Barros-Timmons, A; Oliveira, ON
2010, ACS APPLIED MATERIALS & INTERFACES, 2, 1, 246-251.

Graphene oxide modified with PMMA via ATRP as a reinforcement filler

Goncalves, G; Marques, PAAP; Barros-Timmons, A; Bdkin, I; Singh, MK; Emami, N; Gracio, J
2010, JOURNAL OF MATERIALS CHEMISTRY, 20, 44, 9927-9934.

Preparation and Characterization of Chitosan/SiO2 Composite Films

Oliveira, FC; Barros-Timmons, A; Lopes-da-Silva, JA
2010, JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 10, 4, 2816-2825.

Surface Modification of Alumina Nanoparticles with Silane Coupling Agents

Prado, LASA; Sriyai, M; Ghislandi, M; Barros-Timmons, A; Schulte, K
2010, JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, 21, 12, 2238-2245.

Preparation of Nanocomposites by Reversible Addition-Fragmentation Chain Transfer Polymerization from the Surface of Quantum Dots in Miniemulsion

Esteves, ACC; Hodge, P; Trindade, T; Barros-Timmons, AMMV
2009, JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 47, 20, 5367-5377.

Functionalization of carbon nanofibers (CNFs) through atom transfer radical polymerization for the preparation of poly(tert-butyl acrylate)/CNF materials: Spectroscopic, thermal, morphological, and physical characterizations

Ghislandi, M; Prado, LASD; Oyerviedes, AD; Wittich, H; Schulte, K; Barros-Timmons, A
2008, JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 46, 10, 3326-3335.

Hopping conduction on PPy/SiO2 nanocomposites obtained via in situ emulsion polymerization

Rubinger, CPL; Costa, LC; Esteves, ACC; Barros-Timmons, A; Martins, JA
2008, JOURNAL OF MATERIALS SCIENCE, 43, 9, 3333-3337.

Novel SiO2/cellulose nanocomposites obtained by in situ synthesis and via polyelectrolytes assembly

Pinto, RJB; Marques, PAAP; Barros-Timmons, AM; Trindade, T; Neto, CP
2008, COMPOSITES SCIENCE AND TECHNOLOGY, 68, 3-4, 1088-1093.

Dielectric properties of polystyrene-CCTO composite

Amaral, F; Rubinger, CPL; Henry, F; Costa, LC; Valente, MA; Barros-Timmons, A
2008, JOURNAL OF NON-CRYSTALLINE SOLIDS, 354, 47-51, 5321-5322.

Polymer encapsulation effects on the magnetism of EuS nanocrystals

Pereira, AS; Rauwel, P; Reis, MS; Silva, NJO; Barros-Timmons, A; Trindade, T
2008, JOURNAL OF MATERIALS CHEMISTRY, 18, 38, 4572-4578.

Deposition of Yarrowia lipolytica on plasma prepared teflonlike thin films

Lehocky, M; Amaral, PFF; Stahel, P; Coelho, MAZ; Barros-Timmons, AM; Coutinho, JAP
2008, SURFACE ENGINEERING, 24, 1, 23-27.

Preparation and characterization of organosilicon thin films for selective adhesion of Yarrowia lipolytica yeast cells

Lehocky, M; Amaral, PFF; St'ahel, P; Coelho, MAZ; Barros-Timmons, AM; Coutinho, JAP
2007, JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, 82, 4, 360-366.

Polymer grafting from Cds quantum dots via AGET ATRP in miniemulsion

Esteves, ACC; Bombalski, L; Trindade, T; Matyjaszewski, K; Barros-Timmons, A
2007, SMALL, 3, 7, 1230-1236.

Cell surface characterization of Yarrowia lipolytica IMUFRJ 50682

Amaral, PFF; Lehocky, M; Barros-Timmons, AMV; Rocha-Leao, MHM; Coelho, MAZ; Coutinho, JAP
2006, YEAST, 23, 12, 867-877.

Production and characterization of a bioemulsifier from Yarrowia lipolytica

Amaral, PFF; da Silva, JM; Lehocky, M; Barros-Timmons, AMV; Coelho, MAZ; Marrucho, IM; Coutinho, JAP
2006, PROCESS BIOCHEMISTRY, 41, 8, 1894-1898.

Synthesis of SiO2-coated Bi2S3/poly(styrene) nanocomposites by in-situ polymerization

Esteves, AC; Neves, MC; Barros-Timmons, A; Bourgeat-Lami, E; Liz-Marzan, L; Trindade, T
2006, JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 6, 2, 414-420.

Preparation and characterization of hybrid organic/inorganic nanocomposites by in situ miniemulsion polymerization

Lehocky, M; Esteves, AC; Barros-Timmons, AM; Coutinho, JAP
2006, ADVANCED MATERIALS FORUM III, PTS 1 AND 2, 514-516, 1201-1205.

Crystallization behaviour of new poly(tetramethyleneterephthalamide) nanocomposites containing SiO2 fillers with distinct morphologies

Esteves, ACC; Barros-Timmons, AM; Martins, JA; Zhang, W; Cruz-Pinto, J; Trindade, T
2005, COMPOSITES PART B-ENGINEERING, 36, 1, 51-59.

Polymer encapsulation of CdE (E = S, Se) quantum dot ensembles via in-situ radical polymerization in miniemulsion

Esteves, ACC; Barros-Timmons, A; Monteiro, I; Trindade, T
2005, JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 5, 5, 766-771.

Selection and optimization of culture medium for exopolysaccharide production by Coriolus (Trametes) versicolor

Tavares, APM; Agapito, MSM; Coelho, MAZ; da Silva, JAL; Barros-Timmons, A; Coutinho, JAP; Xavier, AMRB
2005, WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY, 21, 8-9, 1499-1507.

Polymer based nanocomposites: Synthetic strategies for hybrid materials

Esteves, ACC; Barros-Timmons, A; Trindade, T
2004, QUIMICA NOVA, 27, 5, 798-806.

N-Vinylformamide as a route to amine-containing latexes and microgels

Xu, JJ; Timmons, AB; Pelton, R
2004, COLLOID AND POLYMER SCIENCE, 282, 3, 256-263.

Oxypropylation of cork and the use of the ensuing polyols in polyurethane formulations

Evtiouguina, M; Barros-Timmons, A; Cruz-Pinto, JJ; Neto, CP; Belgacem, MN; Gandini, A
2002, BIOMACROMOLECULES, 3, 1, 57-62.

Organic –Inorganic Nanocomposites Derived from Polysaccharides: Challenges and Opportunities

In Vijay Kumar Thakur Manju Kumari Thakur Michael R. Kessler (Eds.), Handbook of Composites from Renewable Materials Handbook of Composites from Renewable Materials
Barros-Timmons A, Oliveira F, Lopes-da-Silva JA
2017, Wiley-Scrivener Publishing.
ISBN: 978-1-119-22381-8

Durability of ETICS and Premixed One-Coat Renders in Natural Exposure Conditions

In Jo‹o M.P.Q. Delgado (Eds.), New Approaches to Building Pathology and Durability
Luís Silva , Inês Flores-Colen, Nuno Vieira, Ana Barros Timmons, Pedro Sequeira
2016, 131-158, Springer Singapore.
ISBN: 978-981-10-0647-0

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