Výsledky vyhledávání

Decreasing litterfall mercury deposition in central European coniferous forests and effects of bark beetle infestation

Autor: Jiří Kopáček, Jiří Kaňa, Michal Roll, James B. Shanley, Tereza Nováková, Pavel Cudlín, Jan Rohovec, Tomáš Navrátil

Publikováno v: The Science of the total environment. 682

We evaluated a 14-year trend (2003–2017) in mercury (Hg) concentrations and fluxes in six litterfall categories (needles, bark, twigs, cones, lichen, and a mixture of unidentified fragments) at six research plots situated in two central European un

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b425ca8cc2f5d9913c084a2b1d475f13
https://pubmed.ncbi.nlm.nih.gov/31121348

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Contrasting tree ring Hg records in two conifer species: Multi-site evidence of species-specific radial translocation effects in Scots pine versus European larch

Autor: Jan Rohovec, Jason D. Demers, Tereza Nováková, Tomáš Navrátil, Michal Roll

Publikováno v: Science of The Total Environment. 762:144022

Tree ring records are increasingly being used as a geochemical archive of past atmospheric mercury (Hg) pollution. However, it is not clear whether all tree species can be used reliably for this purpose. We compared tree-ring Hg records of two conife

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7075f6b4bf479ae7453baca13125b568
https://doi.org/10.1016/j.scitotenv.2020.144022

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Stability of mercury concentration measurements in archived soil and peat samples

Autor: Tomáš Navrátil, Tereza Nováková, Jan Rohovec, Vojtěch Ettler, Douglas A. Burns, Jiří Kaňa, Michal Roll

Publikováno v: Chemosphere. 208

Archived soil samples can provide important information on the history of environmental contamination and by comparison with recently collected samples, temporal trends can be inferred. Little previous work has addressed whether mercury (Hg) concentr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60ad5f7a454ea97cfdb6e89c3ed522bf
https://pubmed.ncbi.nlm.nih.gov/29894972

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Structure–activity relationships in mutagenicity and in nucleophilic ring opening of N-(arylmethy)phenanthrene 9, 10-imines

Autor: Jochanan Blum, Michal Roll, Avishay-Abraham Stark, Sarah Shtelzer

Publikováno v: Mutagenesis. 5:25-30

Ten derivatives of N-benzylphenanthrene 9,10-imine with different substituents on the phenyl ring were synthesized and subjected to mutagenicity tests in Salmonella typhimurium TA100. While electron donating groups were found to enhance the biologica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88245efde7df23d18cb57a5ed9d63f56
https://doi.org/10.1093/mutage/5.1.25

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Barriers to technology transfer in medical centres: a contextualised embeddedness perspective

Autor: Eli Gimmon, Miri Lerner, Michal Roll

Publikováno v: International Journal of Technology Transfer and Commercialisation. 13:154

The vital sector of medical centres and hospitals remains poorly investigated in the literature on technology transfer (TT). The current article explores the mechanisms adopted and locally generated in medical centres to overcome barriers to TT. A qu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24110f2b6164c42e4c31cb031cf11daa
https://doi.org/10.1504/ijttc.2015.075824

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