Articles with "natural light" as a keyword



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Circadian Entrainment to the Natural Light-Dark Cycle across Seasons and the Weekend

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Published in 2017 at "Current Biology"

DOI: 10.1016/j.cub.2016.12.041

Abstract: Reduced exposure to daytime sunlight and increased exposure to electrical lighting at night leads to late circadian and sleep timing [1-3]. We have previously shown that exposure to a natural summer 14 hr 40 min:9 hr 20 min light-dark… read more here.

Keywords: weekend; light dark; exposure; dark cycle ... See more keywords
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Effect of natural light on the phenolic compounds contents and coloration in the peel of ‘Xiyanghong’ (Pyrus bretschneideri×Pyrus communis)

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Published in 2020 at "Scientia Horticulturae"

DOI: 10.1016/j.scienta.2019.109052

Abstract: Abstract Pear (Pyrus) is one of the most important fruit trees in the world. As an important pear cultivar, ‘Xiyanghong’ (P. bretschneideri × P. communis) is widely cultivated. However, its red skin is commonly occurred in the… read more here.

Keywords: light; peel; pyrus; phenolic compounds ... See more keywords
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Designing an integrated daylighting system for deep-plan spaces in Malaysian low-rise buildings

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Published in 2017 at "Solar Energy"

DOI: 10.1016/j.solener.2017.04.001

Abstract: Abstract Daylighting technologies have been developed recently to harness solar energy, and eventually, meet the goals of sustainable development. However, the use of natural light in the tropics is challenging. Many factors limit the efficiency… read more here.

Keywords: daylighting system; system; integrated daylighting; system delivered ... See more keywords
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Response of Arabidopsis primary metabolism and circadian clock to low night temperature in a natural light environment

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Published in 2018 at "Journal of Experimental Botany"

DOI: 10.1093/jxb/ery276

Abstract: Central metabolism and the circadian clock are impacted by co-variation in light and temperature in Arabidopsis plants grown in a natural light environment. read more here.

Keywords: light environment; natural light; circadian clock; metabolism circadian ... See more keywords
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A Study on Nonvisual Effects of Natural Light Environment in a Maternity Ward of a Hospital in Cold Area

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Published in 2022 at "BioMed Research International"

DOI: 10.1155/2022/8608892

Abstract: Thanks to the discovery of human eye photoreceptor cells, ipGRC and human nonvisual channels, the nonvisual effects of light have gradually come to our vision and been rationally utilized. Along with this trend, people have… read more here.

Keywords: natural light; light environment; effects natural; maternity ward ... See more keywords
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Development of a natural light reproduction system for maintaining the circadian rhythm

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Published in 2019 at "Indoor and Built Environment"

DOI: 10.1177/1420326x19855421

Abstract: Circadian rhythm is linked to sleep, arousal and human health overall, affecting body temperature and heart rate. A 24-h natural-light cycle provides optimum lighting environment for humans. However, as people increasingly stay indoors with artificial… read more here.

Keywords: development natural; system; circadian rhythm; natural light ... See more keywords
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Performance of growing pigs subjected to lighting programs in climate-controlled environments

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Published in 2020 at "Revista Brasileira de Engenharia Agricola e Ambiental"

DOI: 10.1590/1807-1929/agriambi.v24n9p616-621

Abstract: ABSTRACT The objective of this research was to evaluate the thermal comfort, physiological responses and performance of pigs in the growth phase, subjected to supplemental lighting programs in air-conditioned environments, in semiarid region of Pernambuco… read more here.

Keywords: evaporative cooling; performance; performance growing; lighting programs ... See more keywords
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Clocks in the Wild: Entrainment to Natural Light

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Published in 2020 at "Frontiers in Physiology"

DOI: 10.3389/fphys.2020.00272

Abstract: Entrainment denotes a process of coordinating the internal circadian clock to external rhythmic time-cues (Zeitgeber), mainly light. It is facilitated by stronger Zeitgeber signals and smaller period differences between the internal clock and the external… read more here.

Keywords: natural light; circadian clock; clocks wild; wild entrainment ... See more keywords
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Pandemic of Childhood Myopia. Could New Indoor LED Lighting Be Part of the Solution?

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Published in 2021 at "Energies"

DOI: 10.3390/en14133827

Abstract: The existence of a growing myopia pandemic is an unquestionable fact for health authorities around the world. Different possible causes have been put forward over the years, such as a possible genetic origin, the current… read more here.

Keywords: childhood; myopia could; childhood myopia; pandemic childhood ... See more keywords
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Stateful-Service-Based Pupil Recognition in Natural Light Environments

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Published in 2022 at "Healthcare"

DOI: 10.3390/healthcare10050789

Abstract: Smartphones are currently extensively used worldwide, and advances in hardware quality have engendered improvements in smartphone image quality, which is occasionally comparable to the quality of medical imaging systems. This paper proposes two algorithms for… read more here.

Keywords: pupil recognition; service based; natural light; stateful service ... See more keywords
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Investigating the Daytime Visibility Requirements of Pavement Marking Considering the Influence of CCT and Illuminance of Natural Light

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Published in 2022 at "International Journal of Environmental Research and Public Health"

DOI: 10.3390/ijerph19053051

Abstract: Pavement marking in daylight with poor quality cannot provide a reference for drivers to specify their own position relative to nearby vehicles. Luminance and Correlated color temperature (CCT) of sunlight is of importance for daytime… read more here.

Keywords: pavement markings; contrast; natural light; daytime visibility ... See more keywords