Seasonal and regional differences in lighting conditions and their influence on melatonin secretion

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dc.contributor.authorBłażejczyk, Krzysztof
dc.contributor.authorMorita, Takeshi
dc.contributor.authorUeno-Towatari, Tomoko
dc.contributor.authorBłażejczyk, Anna
dc.contributor.authorWieczorek, Joanna
dc.date.accessioned2016-12-02T12:58:35Z
dc.date.available2016-12-02T12:58:35Z
dc.date.issued2014
dc.description.abstractThe paper presents essential results of multidisciplinary research dealing with differences in lighting conditions (natural and/or artificial) and their possible influence on melatonin secretion studied in Fukuoka (Japan) and in Warszawa (Poland). Several characteristics of lighting were considered (intensity of global 0.4-3.0 μm, visible 0.4 0.76 μm solar radiation, illuminance (lux), peak irradiance (μW∙cm−2∙nm−1), Color Corresponded Temperature (CCT, K) and peak wave length (nm)). Diurnal cycle of melatonin secretion was examined at volunteers (Poland – 15, Japan – 18), young male and female (21–33 years). Saliva samples were collected at 3h intervals, beginning at 10:00h on Thursday with subsequent sampling times at 13:00, 16:00, 19:00, 22:00 and at 01:00, 04:00 07:00h on Friday. Melatonin concentration (MC) was measured by commercials ELISA kit tests.pl_PL
dc.identifier.citationQuaestiones Geographicae vol. 33 (3), 2014, pp. 17-25pl_PL
dc.identifier.issn0137-477X
dc.identifier.urihttp://hdl.handle.net/10593/16064
dc.language.isoengpl_PL
dc.publisherWydział Nauk Geograficznych i Geologicznych Uniwersytetu im. Adama Mickiewiczapl_PL
dc.rightsinfo:eu-repo/semantics/openAccesspl_PL
dc.subjectvisible radiationpl_PL
dc.subjectlighting conditionspl_PL
dc.subjectradiation climate of Poland and Japanpl_PL
dc.subjectmelatonin secretionpl_PL
dc.subjecthronobiologypl_PL
dc.titleSeasonal and regional differences in lighting conditions and their influence on melatonin secretionpl_PL
dc.typeArtykułpl_PL

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Quaestiones Geographicae vol. 33 (3), 2014
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