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Identificação

Identificação pessoal

Nome completo
Helena Cristina Sousa Pereira Menezes Vasconcelos

Nomes de citação

  • H.C. Vasconcelos

Identificadores de autor

Ciência ID
4A1D-0B96-6043
Projetos

Projeto

Designação Financiadores
2024/10/25 - 2028/10/24 Weaving a Sustainable Future: Promoting the Circular Economy of the Textile Sector
1/MAC/2/2.6/0096
Investigador responsável
Universidade dos Açores, Portugal
Em curso
2023/02/13 - 2024/08/12 Desenvolvimento de uma Alternativa Sustentável ao Couro a partir dos Rizomas de Hedychium gardnerianum
2022.10367.PTDC
Universidade dos Açores, Portugal
 Fundação para a Ciência e a Tecnologia
Em curso
2019/05/03 - 2022/09/30 Vegetal fibres reinforced PLA antimicrobial composites for packaging applications
ECOPLACKAGING
Investigador responsável
Universidade dos Açores, Portugal
 Fundo Regional para a Ciência e Tecnologia

Fundação ERA-LEARN
Concluído
2011/01/01 - 2013/12/31 Projecto Estratégico - UI 68 - 2011-2012
PEst-OE/FIS/UI0068/2011
Universidade Nova de Lisboa Faculdade de Ciências e Tecnologia, Portugal

Universidade Nova de Lisboa Centro de Física e Investigação Tecnológica, Portugal
 Fundação para a Ciência e a Tecnologia
Concluído
1995/02/01 - 1999/01/31 INFLUÊNCIA DA POROSIDADE NAS PROPRIEDADES DE PELÍCULAS FINAS PREPARADAS VIA SOL-GEL
PRAXIS XXI/BD/3082/94
 Fundação para a Ciência e a Tecnologia
Concluído

Outro

Designação Financiadores
2020 - 2020 PINNAPLE COMPOSITE
ACORES-01-0247-FEDER-000007
Investigador responsável
Universidade dos Açores, Portugal
Concluído
2020 - 2020 BASALT WASTE COMPOSITE
ACORES-01-0247-FEDER-000013
Investigador responsável
Universidade dos Açores, Portugal
Concluído
2018 - 2020 Fibras de Conteira e Valorização de Produtos Endógenos
ACORES-01-0247-FEDER-000011
Investigador
Universidade dos Açores, Portugal
 Governo dos Açores
Concluído
Produções

Publicações

Artigo em boletim informativo
  1. Helena Cristina Vasconcelos. "Packaging production from invasive species", Newsletter ISDRS, 2019 Issue 3, 2019, http://isdrs.org/?wysija-page=1&controller=email&action=view&email_id=43&wysijap=subscriptions.
  2. Helena Cristina Vasconcelos. "Recursos endógenos – Fibra de Conteira", Newsletter nº12 FIBRENAMICS, 2016, 2016, http://green.fibrenamics.com/newsletter/recursos-endogenos-fibra-conteira.
Artigo em conferência
  1. Helena Cristina Vasconcelos; Telmo Eleutério; Maria Meirelles. "Surface Roughness and Fractal Analysis of TiO2 Thin Films by DC Sputtering". 2025.
    10.3390/engproc2025105002
  2. Maria Gabriela Meirelles; A. Vitos; Pinto, Afonso; H.C. Vasconcelos. Autor correspondente: Maria Gabriela Meirelles. "Informatics, a Powerful Tool for The Relationship Between Health and Climate". Lisboa, 2019.
  3. Helena Cristina Vasconcelos. "fuel Characteristics of Lignocellulosic Fiber (Kahili ginger) and Organic Biomass-Based Composite Materials (Briquettes)". Trabalho apresentado em The 24th Annual Conference of The International Sustainable Development Research Society (ISDRS), Messina, 2018.
    Publicado
  4. Helena Cristina Vasconcelos. "first Step to Solve Environmental Problems Contributing to Social and Economic Sustainability on an Island". Trabalho apresentado em The 24th Annual Conference of the International Sustainable Development Research Society (ISDRS), Messina, 2018.
    Publicado
  5. Telmo Eleutério; Maria João Pereira; Roberto Amorim; Pinto, Afonso; Maria Gabriela Meirelles; H.C. Vasconcelos. Autor correspondente: Telmo Eleutério. "The First Step to Solve Environmental Problems Contributing to Social and Economic Sustainability on an Island". Trabalho apresentado em ISDRS Conference 2018 ”ACTION FOR A SUSTAINABLE WORLD: FROM THEORY TO PRACTICE, Messina, 2018.
  6. Telmo Eleutério; Pinto, Afonso; Maria João Pereira; H.C. Vasconcelos; Helena Cristina Vasconcelos. Autor correspondente: H.C. Vasconcelos. "Effects of extraction methods on the morphology and chemical properties of kahili ginger (Hedychium gardnerianum) fibers.". Trabalho apresentado em 13th Annual Conference on Materials Science, Metal and Manufacturing, November 16-17, Paris, France, Paris, 2017.
    Publicado
  7. Helena Cristina Vasconcelos; Medeiros P; Meirelles MG. "ensino de conceitos de dinâmica de estruturas com recurso a experimentação em mesa sísmica de tecnologia simples". Trabalho apresentado em Congresso Nacional de Sismologia e Engenharia Sísmica, Ponta Delgada, 2016.
    Publicado
  8. Helena Cristina Vasconcelos; Ricardo Souto; Fernández-Pérez BM; Morales J; Santana JJ. "development of new mathematical models for the estimation of atmospheric corrosion rates in subtropical environments". Trabalho apresentado em EUROCORR 2013, Estoril, 2013.
    Publicado
  9. Helena Cristina Vasconcelos; Meireles MG. "as leis da física – modelos de previsão do tempo e do clima". Trabalho apresentado em Física 2012 (Sociedade Portuguesa da Física), 18ª Conferência Nacional de Física e 22º Encontro Ibérico para o Ensino da Física, Aveiro, 2012.
  10. Helena Cristina Vasconcelos; Meirelles MG. "funcionalização de filmes finos de TiO2 para degradação de cianobactérias e cianotoxinas em recursos hídricos". Trabalho apresentado em XI CNEA – Congresso Nacional de Engenharia do Ambiente, Lisboa, 2011.
    Publicado
  11. Almeida, R.M.; Vasconcelos, H.C.. "Sol-gel technologies in thin film fabrication for integrated optics lasers and amplifiers". 1997.
    10.1117/12.279836
  12. Helena Cristina Vasconcelos. "Rare-earth doped nanocrystals in sol-gel planar waveguides". Trabalho apresentado em 4th ESG conference and the 47th annual meeting of the Scandinavian Society of Glass Technology (NGF), Vaxjo, 1997.
    Publicado
  13. Helena Cristina Vasconcelos. "Control and Characterization of Microstructure in Sol-Gel Films for Optical Device Applications.". Trabalho apresentado em 8th CIMTEC-World Ceramics Congress and Forum on New Materials, Florence, 1994.
    Publicado
Artigo em jornal
  1. Helena Cristina Vasconcelos. "O Deus Romano que inspirou um Nobel da Física e levou a invenção de novos materiais : as nanopartículas Janus", 2020, http://hdl.handle.net/10400.3/5593.
  2. Helena Cristina Vasconcelos; Luis F Mettelo; Sousa MA; Roda A; Capoulas M; Ferreira F; Cunha Lidia. "Como a Física e as Tecnologias dos Materiais se aplicam aos desafios da Medicina Nuclear", 2020, http://hdl.handle.net/10400.3/5742.
  3. Helena Cristina Vasconcelos; Eleutério, Telmo. "Antes quebrar que ceder? : que comportamento mecânico têm as fibras de conteira?", 2019, http://hdl.handle.net/10400.3/5412.
  4. Helena Cristina Vasconcelos; Vasconcelos, Helena Cristina. "Dióxido de Titânio (TiO2) : um material com múltiplas funcionalidades e aplicações", 2018, http://hdl.handle.net/10400.3/5250.
  5. Helena Cristina Vasconcelos; Vasconcelos, Helena Cristina. "O vidro sol-gel visto como um “Líquido Darwin” : evolução estrutural de líquido para sólido", 2017, http://hdl.handle.net/10400.3/5239.
  6. Vasconcelos, Helena Cristina. "Sol… Em vez de petróleo! Materiais semicondutores para produção de eletricidade por efeito fotovoltaico", 2017, http://hdl.handle.net/10400.3/5241.
  7. Meirelles, Maria Gabriela; Vasconcelos, Helena Cristina. "Energia e alterações climáticas : caso de estudo – Açores", 2015, http://hdl.handle.net/10400.3/5349.
  8. Vasconcelos, Helena Cristina; Meirelles, Maria Gabriela; Fonseca, Isabel M.; Amorim, Roberto. "Dos caules da conteira também se produzem biocarvões!", 2015, http://hdl.handle.net/10400.3/5237.
  9. Vasconcelos, Helena Cristina; Meirelles, Maria Gabriela; Amorim, Roberto. "Objetos inspirados no mundo natural : folhas de conteira como biocompósitos", 2015, http://hdl.handle.net/10400.3/5236.
  10. Vasconcelos, Helena Cristina; Meirelles, Maria Gabriela. "Especificidades climáticas e geográficas dos Açores que facilitam a corrosão", 2014, http://hdl.handle.net/10400.3/5234.
  11. Vasconcelos, Helena Cristina. "Microesferas “sussurrantes” podem revelar segredos guardados nos sistemas biológicos", 2012, http://hdl.handle.net/10400.3/5231.
  12. Vasconcelos, Helena Cristina. "Como os materiais nos tratam da saúde", 2012, http://hdl.handle.net/10400.3/5232.
Artigo em revista
  1. Helena Cristina Vasconcelos; Resit Özmentes; Maria Meirelles. "Inclination-Driven Thin-Film Dynamics: Geometry-Induced Regime Ordering in the (Bo, Pe, Da) Space". Physics (2026): https://doi.org/10.3390/physics8020047.
    10.3390/physics8020047
  2. Maria Gabriela Meirelles; Helena Cristina Vasconcelos. "Background Variability of NO<sub>2</sub> in a Remote North Atlantic Island: Assessing the Detectability of Transport Regime Influence". Nitrogen (2026): https://www.mdpi.com/2504-3129/7/2/51.
    10.3390/nitrogen7020051
  3. Maria Gabriela Meirelles; Helena Cristina Vasconcelos. "Ambient Gamma Radiation as an Atmospheric Indicator in a Remote Oceanic Island Environment: Long-Term Variability and Meteorological Controls". Atmosphere (2026): https://doi.org/10.3390/atmos17030264.
    10.3390/atmos17030264
  4. Helena Cristina Vasconcelos; Telmo Eleutério; Maria Meirelles. "A Field-Driven Growth Model for Uniform Thin-Film Growth". Micromachines (2026): https://doi.org/10.3390/mi17020220.
    10.3390/mi17020220
  5. Helena Cristina Vasconcelos; Telmo Eleutério; Maria Meirelles; Resit Özmentes. "When a Surface Becomes a Network: SEM Reveals Hidden Scaling Laws and a Percolation-like Transition in Thin Films". Surfaces (2026): https://doi.org/10.3390/surfaces9010014.
    10.3390/surfaces9010014
  6. Helena Cristina Vasconcelos; Maria Gabriela Meirelles. "406/473 nm Pump-Band Absorption Cross Sections and Derivative-Based Line-Shape Descriptors in Er3+/Ho3+:Y3Ga5O12". Physics (2025): https://doi.org/10.3390/physics7040063.
    10.3390/physics7040063
  7. Maria Gabriela Meirelles; Helena Cristina Vasconcelos. "Multiscale Variability of Atmospheric CO2 at the Azores: Detecting Seasonal and Decadal Oscillations". Atmosphere (2025): https://doi.org/10.3390/atmos16111308.
    10.3390/atmos16111308
  8. Helena Cristina Vasconcelos; Maria Gabriela Meirelles; Resit Özmentes. "Inverse Judd–Ofelt Formalism Based on Radiative Lifetime for Comparative Spectroscopy of RE3+ Ions in Glass". Photonics (2025): https://doi.org/10.3390/photonics12101011.
    10.3390/photonics12101011
  9. Telmo Eleutério; Maria João Trota; Maria Gabriela Meirelles; Helena Cristina Vasconcelos. "A Review of Natural Fibers: Classification, Composition, Extraction, Treatments, and Applications". Fibers (2025): https://doi.org/10.3390/fib13090119.
    10.3390/fib13090119
  10. Helena Cristina Vasconcelos; Maria Meirelles; Resit Özmentes. "XPS Investigation of Sol–Gel Bioactive Glass Synthesized with Geothermal Water". Surfaces (2025): https://doi.org/10.3390/surfaces8030050.
    10.3390/surfaces8030050
  11. Maria Gabriela Meirelles; Helena Cristina Vasconcelos. "Physical–Statistical Characterization of PM10 and PM2.5 Concentrations and Atmospheric Transport Events in the Azores During 2024". Earth (2025): https://doi.org/10.3390/earth6020054.
    10.3390/earth6020054
  12. Helena Cristina Vasconcelos; Maria Meirelles; Resit Özmentes; Luís Santos. "Structural Analysis of Erbium-Doped Silica-Based Glass-Ceramics Using Anomalous and Small-Angle X-Ray Scattering". Foundations (2025): https://doi.org/10.3390/foundations5010005.
    10.3390/foundations5010005
  13. Maria Meirelles; Fernanda Carvalho; Ana Ferreira; Helena Vasconcelos. "Meteorological and Environmental Drivers of Cardiovascular Health Risk in an Insular Region (Azores)". Cardiology and Cardiovascular Research (2025): https://doi.org/10.11648/j.ccr.20250901.11.
    10.11648/j.ccr.20250901.11
  14. Helena Cristina Vasconcelos; Meirelles, Maria. Autor correspondente: Helena Cristina Vasconcelos. "Beyond Quantification: A Methodological Discussion on Raman Spectroscopy for Thick Films". International Journal of Exact Sciences 2 1 (2025): https://doi.org/10.22533/at.ed.153212520018.
    Publicado
  15. Helena Cristina Vasconcelos; Maria Meirelles; Resit Özmentes; Abdulkadir Korkut. "Vacuum Ultraviolet Spectroscopic Analysis of Structural Phases in TiO<sub>2</sub> Sol–Gel Thin Films". Coatings (2024): https://www.mdpi.com/2079-6412/15/1/19.
    10.3390/coatings15010019
  16. Fernanda Carvalho; Maria Meirelles; Daniela Martins; Helena Vasconcelos. "Yearly Assessment of Weather and Air Quality Impact on Respiratory Disease Hospitalizations: Faial Island (Azores) Study". American Journal of Health Research (2024): https://doi.org/10.11648/j.ajhr.20241206.12.
    10.11648/j.ajhr.20241206.12
  17. Helena Cristina Vasconcelos; Henrique Carrêlo; Telmo Eleutério; Maria Gabriela Meirelles; Resit Özmentes; Roberto Amorim. "Rheology of Cellulosic Microfiber Suspensions Under Oscillatory and Rotational Shear for Biocomposite Applications". Compounds (2024): https://doi.org/10.3390/compounds4040042.
    10.3390/compounds4040042
  18. Helena Cristina Vasconcelos. Autor correspondente: Helena Cristina Vasconcelos. "Using a distributed lag non-linear model to forecast the impact of temperature on cardiovascular admissions: Implications for meteorology and health systems". Iris Journal of Astronomy and Satellite Communications, 1(4). (2024): https://irispublishers.com/ijasc/pdf/IJASC.MS.ID.000518.pdf.
    Acesso aberto • Publicado
  19. Maria Meirelles; Fernanda Carvalho; Diamantino Henriques; Cristina Vasconcelos; Ana Ferreira. "Universities in Action: Innovative Strategies to Address Climate Change and Promote Health". International Journal of Environmental Sciences &amp; Natural Resources 34 1 (2024): http://dx.doi.org/10.19080/ijesnr.2024.34.556378.
    10.19080/ijesnr.2024.34.556378
  20. Walter Leal Filho; Dinis, Maria Alzira Pimenta; Amanda Lange Salvia; Javier Sierra; Helena Cristina Vasconcelos; Claire Henderson-Wilson; Samo Diatta; et al. "Assessing climate change and health provisions among staff in higher education institutions: A preliminary investigation". PLOS ONE 19 5 (2024): e0304019-e0304019. http://dx.doi.org/10.1371/journal.pone.0304019.
    10.1371/journal.pone.0304019
  21. Fernanda Silva Carvalho; Maria Meirelles; Diamantino Henriques; João Porteiro; Patrícia Navarro; Helena Cristina Vasconcelos. "Climate Change and Extreme Events in Northeast Atlantic and Azores Islands Region". Climate 11 12 (2023): 238-238. http://dx.doi.org/10.3390/cli11120238.
    10.3390/cli11120238
  22. Meirelles, Maria; Vasconcelos, Helena C.. "STUDY OF THE LINK BETWEEN PORTUGUESE STUDENTS' ATTITUDES AND PERCEPTIONS ABOUT PHYSICS IN THE CONTEXT OF THE DIGITAL AGE, 21st CENTURY". Journal of Engineering Research 3 24 (2023): 2-9. http://dx.doi.org/10.22533/at.ed.31732423140710.
    10.22533/at.ed.31732423140710
  23. Telmo Eleutério; Susana Sério; Helena C. Vasconcelos. "Growth of Nanostructured TiO2 Thin Films onto Lignocellulosic Fibers through Reactive DC Magnetron Sputtering: A XRD and SEM Study". Coatings (2023): https://doi.org/10.3390/coatings13050922.
    10.3390/coatings13050922
  24. Maria Meirelles; Fernanda Carvalho; João Porteiro; Diamantino Henriques; Patrícia Navarro; Helena Vasconcelos. "Climate Change and Impact on Renewable Energies in the Azores Strategic Visions for Sustainability". Sustainability (2022): https://doi.org/10.3390/su142215174.
    10.3390/su142215174
  25. M, Meirelles. ""Correlation between Environmental Radiation and Respiratory Diseases in Insular Context – Azores"". Biomedical Journal of Scientific &amp; Technical Research 46 4 (2022): http://dx.doi.org/10.26717/bjstr.2022.46.007392.
    10.26717/bjstr.2022.46.007392
  26. M, Meirelles. "Weather and Air Quality Factors Contribution to the Hospital Admissions of Patients with Respiratory Diseases: Case Study of Faial Island (Azores)". International Journal of Environmental Sciences &amp; Natural Resources 31 1 (2022): http://dx.doi.org/10.19080/ijesnr.2022.31.556305.
    10.19080/ijesnr.2022.31.556305
  27. João Lopes; Afonso Silva Pinto; Telmo Eleutério; Maria Gabriela Meirelles; Helena Cristina Vasconcelos. "Multivariate Statistical Analysis of the Phytoplankton Interactions with Physicochemical and Meteorological Parameters in Volcanic Crater Lakes from Azores". Water (2022): https://doi.org/10.3390/w14162548.
    10.3390/w14162548
  28. Maria João Pereira; Telmo Eleutério; Maria Gabriela Meirelles; Helena Cristina Vasconcelos. "Hedychium gardnerianum Sheph. ex Ker Gawl. from its discovery to its invasive status: a review". Botanical Studies 62 1 (2021): https://doi.org/10.1186/s40529-021-00318-5.
    10.1186/s40529-021-00318-5
  29. Soler-Carracedo, K.; Martín, I.R.; Lahoz, F.; Vasconcelos, H.C.; Lozano-Gorrín, A.D.; Martín, L.L.; Paz-Buclatin, F.. "Er3+/Ho3+ codoped nanogarnet as an optical FIR based thermometer for a wide range of high and low temperatures". Journal of Alloys and Compounds 847 (2020): 156541. http://dx.doi.org/10.1016/j.jallcom.2020.156541.
    10.1016/j.jallcom.2020.156541
  30. Eleutério, Telmo; Sério, Susana; Teodoro, Orlando M. N. D.; Bundaleski, Nenad; Vasconcelos, Helena C.. "XPS and FTIR Studies of DC Reactive Magnetron Sputtered TiO2 Thin Films on Natural Based-Cellulose Fibers". Coatings 10 3 (2020): 287. http://dx.doi.org/10.3390/coatings10030287.
    10.3390/coatings10030287
  31. Juan J. Santana; Víctor Cano; Helena C. Vasconcelos; Ricardo M. Souto. "The Influence of Test-Panel Orientation and Exposure Angle on the Corrosion Rate of Carbon Steel. Mathematical Modelling". Metals 10 2 (2020): 196-196. https://doi.org/10.3390%2Fmet10020196.
    10.3390/met10020196
  32. Juan José Santana Rodríguez; Alejandro Ramos; Alejandro Rodríguez González; MENA-GONZALEZ, VICENTE F.; Bibiana María Fernández-Pérez; Ricardo M. Souto. "Shortcomings of International Standard ISO 9223 for the Classification, Determination, and Estimation of Atmosphere Corrosivities in Subtropical Archipelagic Conditions—The Case of the Canary Islands (Spain)". Metals (2019): https://www.mdpi.com/2075-4701/9/10/1105.
    10.3390/met9101105
  33. C. Vasconcelos, Helena; Eleutério, Telmo; S. Pinto, Afonso; G. Meirelles, Maria; Amorim, Roberto. "Plantas invasoras". Revista de Ciência Elementar 7 3 (2019): http://dx.doi.org/10.24927/rce2019.059.
    10.24927/rce2019.059
  34. Vasconcelos, Helena. "Photonic Band Gap and Bactericide Performance of Amorphous Sol-Gel Titania: An Alternative to Crystalline TiO<sub>2</sub>". Molecules (2018): http://www.mdpi.com/1420-3049/23/7/1677.
    10.3390/molecules23071677
  35. Vasconcelos, Helena. "Effect of extraction method on physicochemical characteristics of kahili ginger (Hedychium gardnerianum) fibres.". Materials Science and Nanotechnology (2018): http://dx.doi.org/10.35841/nanotechnology.2.1.1-4.
    10.35841/nanotechnology.2.1.1-4
  36. Vasconcelos, Helena. "Preliminary Structural and Thermal Characterization of Conteira’s ( Hedychium gardnerianum ) Fibers for Further Functionalization with Silica Colloidal Nanoparticles". Procedia Engineering 200 (2017): 162-169.
    10.1016/j.proeng.2017.07.024
  37. Izquierdo, J.; González-Marrero, M.B.; Bozorg, M.; Fernández-Pérez, B.M.; Vasconcelos, H.C.; Santana, J.J.; Souto, R.M.. "Multiscale electrochemical analysis of the corrosion of titanium and nitinol for implant applications". Electrochimica Acta (2015): http://www.scopus.com/inward/record.url?eid=2-s2.0-84955561164&partnerID=MN8TOARS.
    10.1016/j.electacta.2016.01.146
  38. Vasconcelos, H.C.; Fernández-Pérez, B.M.; González, S.; Souto, R.M.; Santana, J.J.. "Characterization of the corrosive action of mineral waters from thermal sources: A case study at Azores archipelago, Portugal". Water (Switzerland) 7 7 (2015): 3515-3530. http://www.scopus.com/inward/record.url?eid=2-s2.0-84940377160&partnerID=MN8TOARS.
    10.3390/w7073515
  39. Vasconcelos, H.C.; Ferna´ndez-Pe´rez, B.M.; Morales, J.; Souto, R.M.; Gonza´lez, S.; Cano, V.; Santana, J.J.. "Development of mathematical models to predict the atmospheric corrosion rate of carbon steel in fragmented subtropical environments". International Journal of Electrochemical Science 9 11 (2014): 6514-6528. http://www.scopus.com/inward/record.url?eid=2-s2.0-84907027411&partnerID=MN8TOARS.
  40. Vasconcelos, H.C.; Meirelles, M.G.; Rivera-López, F.. "Erbium photoluminescence response related to nanoscale heterogeneities in sol-gel silicates". Journal of Rare Earths 31 1 (2013): 18-26. http://www.scopus.com/inward/record.url?eid=2-s2.0-84873602384&partnerID=MN8TOARS.
    10.1016/S1002-0721(12)60228-2
  41. Santana, J.J.; Fernández-Pérez, B.M.; Morales, J.; Vasconcelos, H.C.; Souto, R.M.; González, S.. "Characterization of the corrosion products formed on zinc in archipelagic subtropical environments". International Journal of Electrochemical Science 7 12 (2012): 12730-12741. http://www.scopus.com/inward/record.url?eid=2-s2.0-84871116867&partnerID=MN8TOARS.
  42. Vasconcelos, H.C.; Barreto, M.C.. "Tailoring the Microstructure of Sol-Gel Derived Hydroxyapatite/Zirconia Nanocrystalline Composites". Nanoscale Research Letters 6 1 (2011): 1-5. http://www.scopus.com/inward/record.url?eid=2-s2.0-79952694622&partnerID=MN8TOARS.
    10.1007/s11671-010-9766-z
  43. Lahoz, F.; Pérez-Rodrguez, C.; Halder, A.; Das, S.; Paul, M.C.; Pal, M.; Bhadra, S.K.; Vasconcelos, H.C.. "Complete energy transfer due to rare-earth phase segregation in optical fiber preform glasses". Journal of Applied Physics 110 8 (2011): http://www.scopus.com/inward/record.url?eid=2-s2.0-80655132262&partnerID=MN8TOARS.
    10.1063/1.3657852
  44. Vasconcelos, H.C.. "The effect of PO2,5 and AlO1,5 additions on structural changes and crystallization behavior of SiO2-TiO 2 sol-gel derived glasses and thin films". Journal of Sol-Gel Science and Technology 55 1 (2010): 126-133. http://www.scopus.com/inward/record.url?eid=2-s2.0-77953812308&partnerID=MN8TOARS.
    10.1007/s10971-010-2223-8
  45. Santos, L.F.; Vasconcelos, H.C.; Barros Marques, M.I.; Lyon, O.; Almeida, R.M.. "Physical and spectroscopic characterisation of active nanocrystals in erbium-doped silica-titania sol-gel films". Key Engineering Materials 230-232 (2002): 644-647. http://www.scopus.com/inward/record.url?eid=2-s2.0-0036431292&partnerID=MN8TOARS.
  46. Almeida, R.M.; Vasconcelos, H.C.; Gonçalves, M.C.; Santos, L.F.. "XPS and NEXAFS studies of rare-earth doped amorphous sol-gel films". Journal of Non-Crystalline Solids 232-234 (1998): 65-71. http://www.scopus.com/inward/record.url?eid=2-s2.0-0007964753&partnerID=MN8TOARS.
  47. Strohhöfer, C.; Fick, J.; Vasconcelos, H.C.; Almeida, R.M.. "Active optical properties of Er-containing crystallites in sol-gel derived glass films". Journal of Non-Crystalline Solids 226 1-2 (1998): 182-191. http://www.scopus.com/inward/record.url?eid=2-s2.0-0032074534&partnerID=MN8TOARS.
  48. Guglielmi, M.; Martucci, A.; Almeida, R.M.; Vasconcelos, H.C.; Yeatman, E.M.; Dawnay, E.J.C.; Fardad, M.A.. "Spinning deposition of silica and silica-titania optical coatings: A round robin test". Journal of Materials Research 13 3 (1998): 731-738. http://www.scopus.com/inward/record.url?eid=2-s2.0-0032022042&partnerID=MN8TOARS.
    10.1557/JMR.1998.0092
  49. Almeida, R.M.; Morais, P.J.; Vasconcelos, H.C.. "Optical loss mechanisms in nanocomposite sol-gel planar waveguides". Proceedings of SPIE - The International Society for Optical Engineering 3136 (1997): 296-303. http://www.scopus.com/inward/record.url?eid=2-s2.0-0031289007&partnerID=MN8TOARS.
    10.1117/12.284127
  50. Orignac, X.; Vasconcelos, H.C.; Almeida, R.M.. "Structural study of SiO2-TiO2 sol-gel films by X-ray absorption and photoemission spectroscopies". Journal of Non-Crystalline Solids 217 2-3 (1997): 155-161. http://www.scopus.com/inward/record.url?eid=2-s2.0-0031223972&partnerID=MN8TOARS.
  51. Orignac, X.; Vasconcelos, H.C.; Du, X.M.; Almeida, R.M.. "Influence of Solvent Concentration on the Microstructure of SiO2-TiO2 Sol-Gel Films". Journal of Sol-Gel Science and Technology 8 1-3 (1997): 243-248. http://www.scopus.com/inward/record.url?eid=2-s2.0-0030654696&partnerID=MN8TOARS.
  52. Vasconcelos, Helena. "Relationship between infrared absorption and porosity in silica-based sol-gel films". Proceedings of SPIE - The International Society for Optical Engineering (1994):
    10.1117/12.189004
Artigo em revista (magazine)
  1. Cristina Vasconcelos; Meirelles, Maria. Autor correspondente: Cristina Vasconcelos. "Alessandro Volta: O Cientista que Iluminou o Futuro", Açores Magazine , 2024
  2. Diamantino Henriques; Fernanda Carvalho; Meirelles, Maria; Helena Vasconcelos. "Projeções Climáticas para os Açores: Avaliação da Temperatura do Ar sob Diferentes Cenários Socioeconómicos (SSP)", Açores Magazine , 2024
Capítulo de livro
  1. Cristina Vasconcelos, Helena. "Fundamental Concerns of Optical Fluorescence Intensity Ratio-Based Thermometry". In Luminescence - Basic Concepts And Emerging New Applications. IntechOpen, 2024.
    10.5772/intechopen.1005917
  2. Helena Cristina Vasconcelos; Telmo Eleutério; Maria Gabriela Meirelles; Susana Sério. "TiO<sub>2</sub> Nanocoatings on Natural Fibers by DC Reactive Magnetron Sputtering". IntechOpen, 2023.
    10.5772/intechopen.110673
  3. Meirelles, Maria; Vasconcelos, Helena Cristina. "ANÁLISE DA ASSOCIAÇÃO ENTRE AS ATITUDES E PRECEÇÕES DOS ESTUDANTES PORTUGUESES EM RELAÇÃO À FÍSICA: ERA DIGITAL, SÉCULO XXI". In Ciências exatas e da terra e engenharias: Conhecimento e informação 2, 9-19. Atena Editora, 2023.
    10.22533/at.ed.3382320042
  4. Cristina Vasconcelos, Helena. "Optical Nonlinearities in Glasses". In Nonlinear Optics - Nonlinear Nanophotonics and Novel Materials for Nonlinear Optics [Working Title]. IntechOpen, 2022.
    10.5772/intechopen.101774
  5. Vasconcelos, Helena Cristina; Eleutério, Telmo. "Sustainable Materials for Advanced Products". In Handbook of Sustainability Science in the Future, 1-17. Springer International Publishing, 2022.
    10.1007/978-3-030-68074-9_42-1
  6. Carvalho, Fernanda R. S.; Meirelles, Maria G.; Henriques, Diamantino V.; Navarro, Patrícia V.; Vasconcelos, Helena C.. "Climate Change and the Increase of Extreme Events in Azores". In Handbook of Human and Planetary Health, 349-365. Springer International Publishing, 2022.
    10.1007/978-3-031-09879-6_20
  7. Helena Cristina Vasconcelos. "Optical Waveguides Based on Sol-Gel Coatings". 2020.
    DOI: 10.5772/intechopen.91993
  8. C. Vasconcelos, Helena; A. Lopes, Joao; João Pereira, Maria; Silva Pinto, Afonso. "Fluorescence Behavior of Phytoplankton Blooms by Time-Correlated Single-Photon Counting (TCSPC)". In Fluorescence Methods for Investigation of Living Cells and Microorganisms. IntechOpen, 2020.
    10.5772/intechopen.93292
  9. Helena Cristina Vasconcelos. "Chapter 20. Atmospheric Corrosion in the Canary Islands". In Nova Excerpts: Earth Sciences. Nova Science Publishers, 2020.
  10. Helena Cristina Vasconcelos. "rare-Earth Activated Glasses in Integrated Optical Devices with Different Geometric Shapes: Fibers, Planar Waveguides and Microspheres". In Photoluminescence: Advances in Research and Applications, 53-96. Estados Unidos: Nova Science Publishers, 2018.
    Publicado
  11. Helena Cristina Vasconcelos. "atmospheric Corrosion in the Canary Islands". In Archipelagos: Types, Characteristics and Conservation, 1-42. Estados Unidos: Nova Science Publishers, 2018.
    Publicado
  12. Helena Cristina Vasconcelos; Coutinho R; Freire P; Farias AC; Gonçalves MC; Pinto AS. "bioglass Prepared via a Mineral Water-Assisted Sol-Gel Route". In Archipelagos: Types, Characteristics and Conservation, 71-104. Estados Unidos: Nova Science Publishers, 2018.
    Publicado
  13. Vasconcelos, Helena. "Fluorescence Properties of Rare-Earth-Doped Sol-Gel Glasses". 2017.
    10.5772/intechopen.68534
  14. Helena Cristina Vasconcelos; Vasconcelos, Helena. "Glass in Solar Energy". Bentham Science Publishers, 2016.
    10.2174/9781681082073116010010
  15. Vasconcelos, Helena. "Glasses as Biomaterials". 2016.
    10.2174/9781681082073116010005
  16. Helena Cristina Vasconcelos. "luz, Vidros e Terras-Raras". Ponta Delgada, Portugal, 2015.
    Publicado
  17. Helena Cristina Vasconcelos. "hydroxiapatite sol-gel coatings". In Hydroxyapatite: Synthesis, Properties and Applications, 265-292. Houston, Estados Unidos: Nova Science Publishers, 2013.
    Publicado
  18. Helena Cristina Vasconcelos. "natural and Engineered Nanomaterials: Fundamental Concepts and Applications". In Fundamentals and Applications (Vol.1 of the 8 Vol. Set on NANOTECHNOLOGY). Houston, Estados Unidos: Studium Press, 2013.
    Publicado
  19. Vasconcelos, Helena. "New Challenges in the Sintering of HA/ZrO2 Composites". 2012.
    10.5772/33017
Edição de livro
  1. Vasconcelos, Helena, ed. Overall Aspects of Non-Traditional Glasses: Synthesis, Properties and Applications. 2016.
    10.2174/97816810820731160101 • Editor
  2. Vasconcelos, Helena, ed. Temas atuais da física e do mergulho científico. 2015.
Livro
  1. Botelho, Maria Filomena; Lima, J. J. Pedroso de. Biofísica médica: exercícios práticos. Imprensa da Universidade de Coimbra. 2019.
    10.14195/978-989-26-1744-2
  2. Santos, L.F.; Vasconcelos, H.C.; Marques, M.I.B.; Almeida, R.M.. Active nanocrystals in erbium-doped silica-titania sol-gel films. 2004.
Poster em conferência
  1. Meirelles, Maria; Helena Cristina Vasconcelos. "ALTERAÇÕES CLIMÁTICAS: O IMPACTO DO AUMENTO DA TEMPERATURA NA REDUÇÃO DO RENDIMENTO GLOBAL DAS PRINCIPAIS CULTURAS DE CEREAIS". Trabalho apresentado em 4ª Conferência de Física dos Países de Língua Portuguesa, 2022.
  2. Helena Cristina Vasconcelos; Meirelles, Maria. "INVESTIGAÇÃO POR ESPECTROSCOPIA MÖSSBAUER DE NANOPARTÍCULAS SUPERPARAMAGNÉTICAS DE ÓXIDO DE FERRO (SPIONS) OBTIDAS A PARTIR DE ÁGUAS FERROSAS". Trabalho apresentado em 4ª Conferência de Física dos Países de Língua Portuguesa, 2022.
  3. Helena Cristina Vasconcelos; Luis Mettelo; Lídia Cunha. "internal Audits: an Ally in the Promotion of a Radiation Protection Culture". Trabalho apresentado em European Association of Nuclear Medicine Annual Congress, 2020.
  4. Helena Cristina Vasconcelos; Luis Mettelo; Lídia Cunha. "parallelisms Between Organization Audits and Health Checkups". Trabalho apresentado em IAEA International Conference on Radiation Protection, 2020.
  5. Pinto, Afonso; João Lopes; Meirelles, Maria Gabriela; H.C. Vasconcelos. Autor correspondente: Pinto, Afonso. "Principal Component Analysis of the Phytoplankton Interactions with Chemical Factors in Four Lagoons in Azores (Portugal)". 2019.
  6. Helena Cristina Vasconcelos. "self-healing sol-gel coatings with alumina based nano containers, for corrosion protection on metallic substrates". Trabalho apresentado em EUROCORR 2019, Seville, Spain, 2019.
  7. Helena Cristina Vasconcelos. "functionalization of Natural Fibers for Advanced Applications". Trabalho apresentado em Conference SCREEN – Synergic CirculaR Economy across European regioNs, Forum "CompraVerde"(BuyGreen), Rome, 2018.
  8. Helena Cristina Vasconcelos. "band gap of TiO2 sol-gel films determined by vacuum ultraviolet spectroscopy (VUV)". Trabalho apresentado em Física 2018: 21ª conferência nacional de física: 28º encontro ibérico para o ensino da física, Universidade da Beira Interior, Covilhã, 2018.
  9. Helena Cristina Vasconcelos. "activated carbon from biomass, a sustainable acid catalyst for flavor synthesis". Trabalho apresentado em 13th European Congress on Catalysis (EUROPACAT 2017), 2017.
  10. H.C. Vasconcelos; Roberto Amorim; Maria Gabriela Meirelles; Maria João Pereira; Telmo Eleutério; Pinto, Afonso. "Embalagens de conteira: uma planta invasora no mercado.". Trabalho apresentado em Green Business Week, FIL, Lisboa, 2017.
  11. Helena Cristina Vasconcelos. "xps and vuv studies of N-doped TiO2 Sol-Gel Films". Trabalho apresentado em nanoPT2015 Conference, Porto-Portugal, 2015.
  12. Helena Cristina Vasconcelos; Meirelles MG. "determinação de parâmetros espectroscópicos em vidros dopados com Er3+". Trabalho apresentado em Física 2014: 19ª Conferência Nacional de Física: 24º Encontro Ibérico para o Ensino da Física, Instituto Superior Técnico, 2014.
  13. Helena Cristina Vasconcelos. "testes de homogeneização – séries de temperatura observadas nos Açores". Trabalho apresentado em Física 2014: 19ª Conferência Nacional de Física: 24º Encontro Ibérico para o Ensino da Física, Instituto Superior Técnico, 2014.
  14. Helena Cristina Vasconcelos. "development of new mathematical models for the estimation of atmospheric corrosion rates in subtropical environments". Trabalho apresentado em EUROCORR 2013, Estoril, Portugal, 2013.
  15. Helena Cristina Vasconcelos. "xps studies of N-doped amorphous TiO2 sol-gel films". Trabalho apresentado em Conference on Applications of Surfaces and Interface Analysis (ECASIA'11), Cardiff, United Kingdom,, 2011.
  16. Helena Cristina Vasconcelos. "spectroscopic characterization of sol-gel glassy nanospheres doped with optically active ions". Trabalho apresentado em MATERIAIS 2011, XV Congresso da Sociedade Portuguesa de Materiais e VI Simpósio Internacional de Materiais, Universidade do Minho, Guimarães, 2011.
  17. Helena Cristina Vasconcelos. "er3+ as optical probe to detect order/disorder in SiO2-TiO2-PO2.5 sol-gel thin films". Trabalho apresentado em 11th edition of the Trends in Nanotechnology International Conference (TNT2010), Braga, Portugal, 2010.
  18. Helena Cristina Vasconcelos. "correlation between fluorescence spectra shape’s and specific morphologic aspects in Er3+ doped SiO2-TiO2-PO2.5 sol-gel thin films". Trabalho apresentado em 3rd International Workshop on Photoluminescence in Rare Earths: Photonic Materials and Devices Florence, Italy, 2010.
  19. Helena Cristina Vasconcelos. "activation of Invertase by sol-gel Entrapment. Relationships Between Synthesis Conditions and Enzymatic Activity". Trabalho apresentado em 4th International Conference on Sol-Gel Materials, Kliczkow Castle, Kliczków, POLAND, 2006.
  20. Helena Cristina Vasconcelos. "sol-gel immobilization of invertase as a model to study relationships between gel synthesis conditions and enzymatic activity". Trabalho apresentado em III International Materials Symposium Materiais 2005 and XII Encontro da Sociedade Portuguesa de Materiais - SPM, Universidade de Aveiro, 2005.
  21. Helena Cristina Vasconcelos. "active Nanocrystals in Erbium-doped Silica-Titania Films prepared by Sol-Gel". Trabalho apresentado em 2nd International Materials Symposium, Materiais’2003, Caparica, Portugal, 2003.
  22. Helena Cristina Vasconcelos. "physical and Spectroscopic Characterization of Active Nanocrystals in Erbium-doped Silica-Titania Sol-Gel Films". Trabalho apresentado em 1st International Materials Symposium, Materiais’2001, Coimbra, 2001.
Pré-impressão
  1. Helena Cristina Vasconcelos; Telmo Eleutério; Maria Gabriela Meirelles. "A Field-Driven Growth Model for Uniform Thin-Film Growth". 2026. https://doi.org/10.20944/preprints202601.0591.v1.
    10.20944/preprints202601.0591.v1
  2. Maria Gabriela Meirelles; Helena Cristina Vasconcelos. "Ambient Gamma Radiation as an Atmospheric Indicator in a Remote Oceanic Island Environment: Long-Term Variability and Meteorological Controls". 2026. https://doi.org/10.20944/preprints202601.1621.v1.
    10.20944/preprints202601.1621.v1
  3. Maria Gabriela Meirelles; Helena Cristina Vasconcelos. "Background Variability of NO2 in a Remote North Atlantic Island and Its Association with Atmospheric Transport Regimes". 2026. https://doi.org/10.20944/preprints202604.0129.v1.
    10.20944/preprints202604.0129.v1
  4. Helena Cristina Vasconcelos; Resit Özmentes; Maria Meirelles. "Inclination-Driven Thin-Film Dynamics: Geometry-Induced 2 Regime Ordering in the (<em>Bo</em>, <em>Pe</em>, <em>Da</em>) Space". 2026. https://doi.org/10.20944/preprints202603.2106.v1.
    10.20944/preprints202603.2106.v1
  5. Juan P. Diaz; Esteban Rodríguez-Guisado; Maialen Iturbide; Jesus Fernandez; Marianna Adinolfi; Helena Vasconcelos; Maria Meirelles; et al. "New CORDEX Flagship Pilot Study on Island processes in the Macaronesian Archipelagos (FPS-I-Mac): Objectives and challenges". 2025. https://doi.org/10.5194/egusphere-egu25-9361.
    10.5194/egusphere-egu25-9361
  6. Helena Cristina Vasconcelos; Maria Meirelles; Resit Özmentes. "XPS Investigation of Sol-Gel Bioactive Glass Synthesized with Geothermal Water". 2025. https://doi.org/10.20944/preprints202506.0629.v1.
    10.20944/preprints202506.0629.v1
  7. Maria Meirelles; Fernanda Carvalho; Diamantino Henriques; Helena Vasconcelos; Patrícia Navarro; João Porteiro. "Assessing Extreme Climate Indices for Precipitation in the Azores: Insights from CMIP6 Climate Projections". 2025. https://doi.org/10.5194/egusphere-egu25-13800.
    10.5194/egusphere-egu25-13800
  8. Helena Cristina Vasconcelos; Ana Catarina Ferreira; Maria Gabriela Meirelles. "Synoptic-Scale Modulation of Surface O3, NO2, and SO2 by the North Atlantic Oscillation in São Miguel Island, Azores (2017–2021)". 2025. https://doi.org/10.20944/preprints202506.2373.v1.
    10.20944/preprints202506.2373.v1
  9. Maria Gabriela Meirelles; Helena Cristina Vasconcelos. "Multiscale Variability of Atmospheric CO2 at the Azores: Detecting Seasonal and Decadal Oscillations". 2025. https://doi.org/10.20944/preprints202509.0051.v1.
    10.20944/preprints202509.0051.v1
  10. Helena Cristina Vasconcelos; Telmo Eleutério; Maria Gabriela Meirelles; Resit Özmentes. "When a Surface Becomes a Network: SEM Reveals Hidden Scaling Laws and a Percolation-like Transition in Thin Films". 2025. https://doi.org/10.20944/preprints202512.0494.v1.
    10.20944/preprints202512.0494.v1
Recurso online
  1. Helena Cristina Vasconcelos. Ep. 332 – Substituir o plástico por fibra de conteira ou como encontrar alternativas para uma espécie invasora. 2018. https://www.90segundosdeciencia.pt/episodes/ep-332-cristina-vasconcelos/.
Resumo em conferência
  1. Helena Cristina Vasconcelos; Meirelles, Maria. "Nonlinear Photophysics of Rare-earth Ions Under Fentosecond Excitation". Trabalho apresentado em Ultrafast Optics UFO XIV, Furnas, 2025.
    Publicado
  2. Helena Cristina Vasconcelos; Meirelles, Maria. "Glass Coatings and Optical Interfaces: Improving Energy Efficiency and Daylight in Architectural Structures". 2025.
    Publicado
  3. Carvalho, Fernanda; Meirelles, Maria; Helena Cristina Vasconcelos. "MUDANÇA CLIMÁTICA E EVENTOS EXTREMOS NO ATLÂNTICO NORDESTE E NA REGIÃO DOS AÇORES". Vila Real, 2025.
    Publicado
  4. Meirelles, Maria; F. Carvalho; H.C. Vasconcelos; A. Ferreira. "TEMPO, QUALIDADE DO AR E ADMISSÕES HOSPITALARES POR DOENÇAS CARDIOVASCULARES_FAIAL_ AÇORES". Trabalho apresentado em 24ª Conferência Nacional de Física e 34º Encontro Ibérico para o Ensino da Física, Coimbra - Portugal, 2024.
    Publicado
  5. Meirelles, Maria Gabriela; H.C. Vasconcelos; Silva Pinto, A. Autor correspondente: Meirelles, Maria Gabriela. "Environmental Protection and Climate Change - The Perfect Alliance". Faro, 2019.
    Publicado
  6. H.C. Vasconcelos; Eleutério, Telmo; Maria João Pereira; Pinto, Afonso; Maria Gabriela Meirelles; Roberto Amorim. Autor correspondente: H.C. Vasconcelos. "Market Opportunities for Biocomposites obtained from Invasive Plants". Estocolmo, 2019.
    Publicado
  7. Silva Pinto, A; Maria Gabriela Meirelles; H.C. Vasconcelos. "Human pressure on nature: Case of study - São Miguel Island, Azores”.". Trabalho apresentado em ISDRS Conference 2018 ”ACTION FOR A SUSTAINABLE WORLD: FROM THEORY TO PRACTICE, Messina, 2018.
    Publicado
  8. Telmo Eleutério; Maria João Pereira; Roberto Amorim; Maria Gabriela Meirelles; Silva Pinto, A; H.C. Vasconcelos. "Study of Hedychium gardnerianum Sheppard ex Ker Gawl. productivity at São Miguel Island". Trabalho apresentado em Floramac 2018, Funchal Madeira, 2018.
    Publicado
Distinções

Prémio

2021 Vebleo Fellow Award
2019 Medal IAAM
2019 PRÉMIO MENÇÃO HONROSA (na categoria Blog/Podcast) do Prémio Nacional de Jornalismo de Investigação)

Título

2018 Outstanding Publication

Outra distinção

2020 Acknowledgement to Reviewers of Metals in 2019
2020 Acknowledgement to Reviewers of Materials in 2019
2020 Acknowledgement to Reviewers of Resources in 2019
2019 Acknowledgement to Reviewers of Materials in 2018
2018 Acknowledgement to Reviewers of Materials in 2017
2018 Acknowledgement to Reviewers of Journal of Manufacturing and Materials Processing in 2017