Optimisation of a thermal desorption–gas chromatography–mass spectrometry method for the analysis of monoterpenes, sesquiterpenes and diterpenes by A. Helin, H. Hakola, H. Hellén

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Accuracy of chikungunya case definition in patients with arbovirus illness seeking care in an urban emergency department in Rio de Janeiro, Brazil by H. Hellen, J. Moreira, C. Lamas, S. Cardozo

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Contribution of understorey vegetation and soil processes to boreal forest isoprenoid exchange by M. Mäki, J. Heinonsalo, H. Hellén, J. Bäck

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Using in situ GC-MS for analysis of C₂–C₇ volatile organic acids in ambient air of a boreal forest site by H. Hellén, S. Schallhart, A. P. Praplan, T. Petäjä, H. Hakola

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Carbonyl compounds in boreal coniferous forest air in Hyytiälä, Southern Finland by H. Hellén, H. Hakola, A. Reissell, A. Reissell, T. M. Ruuskanen

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C₂-C₁₀ hydrocarbon emissions from a boreal wetland and forest floor by H. Hellén, H. Hakola, K.-H. Pystynen, J. Rinne, S. Haapanala

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Measurements of atmospheric C₁₀–C₁₅ biogenic volatile organic compounds (BVOCs) with sorbent tubes by H. Hellén, T. Tykkä, S. Schallhart, E. Stratigou, T. Salameh, M. Iturrate-Garcia

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OH reactivity from the emissions of different tree species: investigating the missing reactivity in a boreal forest by A. P. Praplan, T. Tykkä, S. Schallhart, V. Tarvainen, J. Bäck, H. Hellén

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Is forest management a significant source of monoterpenes into the boreal atmosphere? by S. Haapanala, H. Hakola, H. Hellén, M. Vestenius, J. Levula, J. Rinne

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Measurements of hydrocarbon emissions from a boreal fen using the REA technique by S. Haapanala, J. Rinne, K.-H. Pystynen, H. Hellén, H. Hakola, T. Riutta

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Ozone stress as a driving force of sesquiterpene emissions: a suggested parameterisation by E. Bourtsoukidis, B. Bonn, A. Dittmann, H. Hakola, H. Hellén, S. Jacobi

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Undetected biogenic volatile organic compounds from Norway spruce drive total ozone reactivity measurements by S. J. Thomas, S. J. Thomas, T. Tykkä, H. Hellén, F. Bianchi, A. P. Praplan

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Temperature and light dependence of the VOC emissions of Scots pine by V. Tarvainen, H. Hakola, H. Hellén, J. Bäck, P. Hari, M. Kulmala

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Noise-aided logic in an electronic analog of synthetic genetic networks. by Edward H Hellen, Syamal K Dana, Jürgen Kurths, Elizabeth Kehler, Sudeshna Sinha

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Mountain birch – potentially large source of sesquiterpenes into high latitude atmosphere by A. Arneth, H. Hellén, J. Rinne, V. Tarvainen, H. Hakola, A. Ekberg, S. Haapanala

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Sesquiterpenes dominate monoterpenes in northern wetland emissions by H. Hellén, S. Schallhart, A. P. Praplan, T. Tykkä, M. Aurela, A. Lohila, A. Lohila, H. Hakola

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Hydrocarbon fluxes above a Scots pine forest canopy: measurements and modeling by J. Rinne, R. Taipale, T. Markkanen, T. M. Ruuskanen, H. Hellén, M. K. Kajos, T. Vesala, M. Kulmala

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Acidic reaction products of monoterpenes and sesquiterpenes in atmospheric fine particles in a boreal forest by M. Vestenius, H. Hellén, J. Levula, P. Kuronen, K.J. Helminen, T. Nieminen, M. Kulmala, H. Hakola

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Evaluation of the impact of wood combustion on benzo[<i>a</i>]pyrene (BaP) concentrations; ambient measurements and dispersion modeling in Helsinki, Finland by H. Hellén, L. Kangas, A. Kousa, M. Vestenius, K. Teinilä, A. Karppinen, J. Kukkonen, J. V. Niemi

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Long-term measurements of volatile organic compounds highlight the importance of sesquiterpenes for the atmospheric chemistry of a boreal forest by H. Hellén, A. P. Praplan, T. Tykkä, I. Ylivinkka, V. Vakkari, J. Bäck, T. Petäjä, M. Kulmala, H. Hakola

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