| Records |
| Author |
Pattison, P.M.; Tsao, J.Y.; Brainard, G.C.; Bugbee, B. |
Title  |
LEDs for photons, physiology and food |
Type |
Journal Article |
| Year |
2018 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
563 |
Issue |
7732 |
Pages |
493-500 |
| Keywords |
Lighting; Human Health; Plants; Review |
| Abstract |
Lighting based on light-emitting diodes (LEDs) not only is more energy efficient than traditional lighting, but also enables improved performance and control. The colour, intensity and distribution of light can now be controlled with unprecedented precision, enabling light to be used both as a signal for specific physiological responses in humans and plants, and as an efficient fuel for fresh food production. Here we show how a broad and improved understanding of the physiological responses to light will facilitate greater energy savings and provide health and productivity benefits that have not previously been associated with lighting. |
| Address |
Utah State University, Logan, UT, USA |
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Place of Publication |
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| Language |
English |
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| ISSN |
0028-0836 |
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| Notes |
PMID:30464269 |
Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
2110 |
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| Author |
Ayuga, C.E.T.; Zamorano, J. |
| Title |
LICA AstroCalc, a software to analyze the impact of artificial light: Extracting parameters from the spectra of street and indoor lamps |
Type |
Journal Article |
| Year |
2018 |
Publication |
Journal of Quantitative Spectroscopy and Radiative Transfer |
Abbreviated Journal |
Journal of Quantitative Spectroscopy and Radiative Transfer |
| Volume |
214 |
Issue |
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Pages |
33-38 |
| Keywords |
Vision; Lighting; Instrumentation |
| Abstract |
The night sky spectra of light-polluted areas is the result of the artificial light scattered back from the atmosphere and the reemission of the light after reflections in painted surfaces. This emission comes mainly from street and decorative lamps. We have built an extensive database of lamps spectra covering from UV to near IR and the software needed to analyze them. We describe the LICA-AstroCalc free software that is a user friendly GUI tool to extract information from our database spectra or any other user provided spectrum. The software also includes the complete color database of paints from NCS comprising 1950 types. This helps to evaluate how different colors modify the reflected spectra from different lamps. All spectroscopic measurements have been validated with recommendations from CIELAB and ISO from NCS database. |
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| ISSN |
0022-4073 |
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Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
1882 |
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| Author |
Wuchterl, G.; Reithofer, M. |
| Title |
Licht über Wien VI |
Type |
Journal Article |
| Year |
2018 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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| Keywords |
Skyglow |
| Abstract |
Im Zentrum Wiens sättigt die Erhellung der Nacht, am Stadtrand sinken die jährlichen Zuwächse, wäh-rend im Abstand von 36 Kilometern (Großmugl) die Nächte um 10 % pro Jahr heller werden.Der Gesamtaufwand der Wiener Lichtglocke liegt 2018 bei 37 MW. Der Verlauf von 2011 bis 2018 zeigt ein deutliches Lichtmaximum um 2014 und 2015. Danach stellen wir einen allmählichen Rückgang fest.Der Verlauf der Lichtglocke und noch deutlicher jener der Einzelstationen zeigt signifikante Schwankun-gen von Jahr zu Jahr. Zur Aufklärung der Ursachen, die weder astronomisch noch meteorologisch sind, wur-den monatliche Analysen des Lichtmessnetzes mit Daten des Luftmessnetzes der Wiener MA 22 kombiniert. Die natürliche Variation über das Jahr wurde genutzt, um Zusammenhänge zwischen den Monatsmedianen von Luftfeuchtigkeit und Feinstaub mit jenen der Globalstrahlungsdaten zu suchen.Von 2016 bis 2018 korrelieren die Globalstrahlungswerte mit der relativen Luftfeuchtigkeit und den Feinstaubwerten (PM10 und PM2,5). Die engste Beziehung besteht auf der Kuffner-Sternwarte, wo eine Verdoppelung der Luftfeuchtigkeit statistisch von einer Verzehnfachung der Globalstrahlung begleitet wird. Die gefundenen Relationen sind über einen Faktor 100 in der Globalstrahlung äußerst robust und die Koeffizienten der Relationen sind an allen Stationen sehr homogen.Damit stehen gut bestimmte Zusammenhänge zwischen der Luftgüte und dem Zustand der klaren Atmo-sphäre zur Verfügung. Das wird es erlauben, Lichtmessnetze auf Standardatmosphären zu beziehen und damit eine wesentlich bessere Vergleichbarkeit der Daten zu unterschiedlichen Zeitpunkten herzustellen.- 130 Gigawattstunden Jahresaufwand für die Wiener Lichtglocke- 8 Jahre Vermessung der Lichtglocke zeigen Ansätze eines Rückgangs der Lichtflut- Mehr Feinstaub bewirkt überproportional mehr Lichtverschmutzung |
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| Language |
German |
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Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
2718 |
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| Author |
Taufique, S.T.; Prabhat, A.; Kumar, V. |
| Title |
Light at night affects hippocampal and nidopallial cytoarchitecture: Implication for impairment of brain function in diurnal corvids |
Type |
Journal Article |
| Year |
2018 |
Publication |
Journal of Experimental Zoology. Part A, Ecological and Integrative Physiology |
Abbreviated Journal |
J Exp Zool A Ecol Integr Physiol |
| Volume |
in press |
Issue |
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Pages |
in press |
| Keywords |
Animals |
| Abstract |
Our previous studies have shown that light at night (LAN) impaired cognitive performance and affected neurogenesis and neurochemistry in the cognition-associated brain regions, particularly the hippocampus (HP) and lateral caudal nidopallium (NCL) of Indian house crows (Corvus splendens). Here, we examined the cytoarchitecture and mapped out the morphology of neurons and glia-neuron density in HP and NCL regions of crows that were first entrained to 12-hr light (LL): 12-hr darkness (LD) and then exposed to the light regime in which 12-hr darkness was either replaced by daytime light (i.e., constant light, LL) or by dim light (i.e., dim light at night, dLAN), with controls continued on LD 12:12. Compared with LD, there was a significant decrease in the soma size, suggesting reduced neuronal plasticity without affecting the neuronal density of both HP and NCL of crows under LL and dLAN conditions. In parallel, we found a reduced number of glia cells and, hence, decreased glia-neuron ratio positively correlated with soma size in both, HP and NCL regions. These results for the first time demonstrate LAN-induced negative effects on the brain cytoarchitecture of a diurnal species and give insight for possible influence on the brain health and functions in animals including humans that might be inadvertently exposed to LAN in an emerging night-illuminated urban environment. |
| Address |
Department of Zoology, University of Delhi, Delhi, India |
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English |
Summary Language |
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Original Title |
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Series Issue |
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Edition |
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| ISSN |
2471-5638 |
ISBN |
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| Notes |
PMID:30288960 |
Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
2022 |
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| Author |
Russart, K.L.G.; Nelson, R.J. |
| Title |
Light at night as an environmental endocrine disruptor |
Type |
Journal Article |
| Year |
2018 |
Publication |
Physiology & Behavior |
Abbreviated Journal |
Physiol Behav |
| Volume |
190 |
Issue |
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Pages |
82-89 |
| Keywords |
Human Health; Animals |
| Abstract |
Environmental endocrine disruptors (EEDs) are often consequences of human activity; however, the effects of EEDs are not limited to humans. A primary focus over the past approximately 30years has been on chemical EEDs, but the repercussions of non-chemical EEDs, such as artificial light at night (LAN), are of increasing interest. The sensitivity of the circadian system to light and the influence of circadian organization on overall physiology and behavior make the system a target for disruption with widespread effects. Indeed, there is increasing evidence for a role of LAN in human health, including disruption of circadian regulation and melatonin signaling, metabolic dysregulation, cancer risk, and disruption of other hormonally-driven systems. These effects are not limited to humans; domesticated animals as well as wildlife are also exposed to LAN, and at risk for disrupted circadian rhythms. Here, we review data that support the role of LAN as an endocrine disruptor in humans to be considered in treatments and lifestyle suggestions. We also present the effects of LAN in other animals, and discuss the potential for ecosystem-wide effects of artificial LAN. This can inform decisions in agricultural practices and urban lighting decisions to avoid unintended outcomes. |
| Address |
Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA |
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English |
Summary Language |
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0031-9384 |
ISBN |
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| Notes |
PMID:28870443 |
Approved |
no |
| Call Number |
LoNNe @ kyba @ |
Serial |
1719 |
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