Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Jiri Petrek"'
1
Akademický článek
Multi-instrumental Investigation of Affecting of Early Somatic Embryos of Spruce by Cadmium(II) and Lead(II) Ions
Autor: René Kizek, Ladislav Havel, Vaclav Diopan, Miroslava Beklova, Libuse Trnkova, Karel Bartusek, Vojtech Adam, Jiri Baloun, Jiri Petrek, Veronika Supalkova
Publikováno v: Sensors, Vol 7, Iss 5, Pp 743-759 (2007)
The main aim of this work was to use multi-instrumental analytical apparatus toinvestigate the effects of treatment with cadmium(II) and/or lead(II) ions (50, 250 and 500μM) for twelve days on early somatic spruce embryos (ESEs). Primarily we
Externí odkaz: https://doaj.org/article/d65f395fab5f406ba8dc3ca74a557923
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2
Akademický článek
Are Early Somatic Embryos of the Norway Spruce (Picea abies (L.) Karst.) Organised?
Autor: Jiri Petrek, Ondrej Zitka, Vojtech Adam, Karel Bartusek, Naser A Anjum, Eduarda Pereira, Ladislav Havel, Rene Kizek
Publikováno v: PLoS ONE, Vol 10, Iss 12, p e0144093 (2015)
BACKGROUND:Somatic embryogenesis in conifer species has great potential for the forestry industry. Hence, a number of methods have been developed for their efficient and rapid propagation through somatic embryogenesis. Although information is availab
Externí odkaz: https://doaj.org/article/7173e70a9b3b4db0a1a1928fa6138e62
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3
Akademický článek
Electrochemical Sensors for Detection of Acetylsalicylic Acid
Autor: Rene Kizek, Ales Horna, Miroslava Beklova, Petr Babula, David Potesil, Vojtech Adam, Jitka Petrlova, Sona Krizkova, Ladislav Havel, Jiri Petrek, Veronika Supalkova
Publikováno v: Sensors, Vol 6, Iss 11, Pp 1483-1497 (2006)
Acetylsalicylic acid (AcSA), or aspirin, was introduced in the late 1890s and hasbeen used to treat a variety of inflammatory conditions. The aim of this work was to suggestelectrochemical sensor for acetylsalicylic detection. Primarily, we utilized
Externí odkaz: https://doaj.org/article/c48ac93ee09641c09851e31f134b4f07
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5
Analysis of salicylic acid in willow barks and branches by an electrochemical method
Autor: David Potesil, Ladislav Havel, Vojtěch Adam, Jiri Petrek, René Kizek, Petr Babula, Jitka Petrlová
Publikováno v: Russian Journal of Plant Physiology. 54:553-558
An electrochemical method for measuring free salicylic acid (SA) was optimized and used to detect its content in barks and branches of thirteen Salix species. We utilized square wave voltammetry method in com- bination with pencil lead, the detection
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c6b8d2a3779e7ae75716319036ad0f8
https://doi.org/10.1134/s1021443707040188
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6
Multi-instrumental Investigation of Affecting of Early Somatic Embryos of Spruce by Cadmium(II) and Lead(II) Ions
Autor: Jiri Petrek, Jiri Baloun, Veronika Šupálková, Karel Bartusek, Ladislav Havel, Vojtech Adam, Miroslava Beklova, Václav Diopan, Libuše Trnková, René Kizek
Publikováno v: Sensors, Vol 7, Iss 5, Pp 743-759 (2007)
Sensors
Volume 7
Issue 5
Pages 743-759
Scopus-Elsevier
Department of Veterinary Ecology and Environmental Protection, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences, Palackeho 1-3, CZ-612 42 Brno, Czech Republic * Author to whom correspondence should be ad
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffe0db44eed3596a2d48485ae4c9c824
http://www.mdpi.com/1424-8220/7/5/743/
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7
Electrochemical Sensors for Detection of Acetylsalicylic Acid
Autor: Aleš Horna, Sona Krizkova, René Kizek, Ladislav Havel, David Potesil, Miroslava Beklova, Jitka Petrlová, Vojtech Adam, Veronika Šupálková, Jiri Petrek, Petr Babula
Publikováno v: Sensors (Basel, Switzerland)
Sensors, Vol 6, Iss 11, Pp 1483-1497 (2006)
Sensors
Sensors; Volume 6; Issue 11; Pages: 1483-1497
Scopus-Elsevier
Acetylsalicylic acid ( AcSA), or aspirin, was introduced in the late 1890s and has been used to treat a variety of inflammatory conditions. The aim of this work was to suggest electrochemical sensor for acetylsalicylic detection. Primarily, we utiliz
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d586912aeb6955af858bef77561d5df2
http://europepmc.org/articles/PMC3909410
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8
Electrochemical study of S–nitrosoglutathione and nitric oxide by carbon fibre NO sensor and cyclic voltammetry – possible way of monitoring of nitric oxide
Autor: David Potesil, Jan Víteček, Ladislav Havel, Jiri Petrek, Radka Mikelová, Vojtech Adam, Jitka Petrlová, René Kizek, Libuše Trnková
Publikováno v: Electrochimica Acta. 51:5087-5094
Nitrosation of sulfhydryl group of glutathione, which is highly reactive and is often found conjugated to other molecules via its sulfhydryl moiety, is one of many biological effects of the nitric oxide (NO). This process may serve as a signal event
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8172694208b456cb6c7972956aec3724
https://doi.org/10.1016/j.electacta.2006.03.079
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9
Application of computer imaging, stripping voltammetry and mass spectrometry to study the effect of lead (Pb-EDTA) on the growth and viability of early somatic embryos of Norway spruce (Picea abies /L./ Karst.)
Autor: Jiri Petrek, Ladislav Havel, Vojtech Adam, Helena Vlašínová, René Kizek, Borivoj Klejdus, Karl J. Kramer, Jan Víteček
Publikováno v: Analytical and Bioanalytical Chemistry. 383:576-586
Image analysis (IA) was used to determine the areas and circumferences of clusters of early somatic embryos (ESEs) of the Norway spruce (Picea abies /L./Karst.). Results obtained from IA were compared with the fresh weights of the ESE clusters and th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e28f96c7092c5af99f2e8f466b78011
https://doi.org/10.1007/s00216-005-0028-3
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10
Are Early Somatic Embryos of the Norway Spruce (Picea abies (L.) Karst.) Organised?
Autor: Ondrej Zitka, René Kizek, Karel Bartusek, Naser A. Anjum, Eduarda Pereira, Jiri Petrek, Vojtech Adam, Ladislav Havel
Publikováno v: PLoS ONE, Vol 10, Iss 12, p e0144093 (2015)
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
PLoS ONE
PLOS ONE. 2015, vol. 10, issue 12, p. e0144093-1-e0144093-1.
Background Somatic embryogenesis in conifer species has great potential for the forestry industry. Hence, a number of methods have been developed for their efficient and rapid propagation through somatic embryogenesis. Although information is availab
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c42c16165e5ac6eadc78c3d7ad855d8
https://doi.org/10.1371/journal.pone.0144093
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