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Behavior of broilers reared under monochromatic and fluorescent light sources
(2016-01-01)
The study aimed to evaluate the behavior of broiler chickens reared in the blue and red light emitting diode (LED), using a fluorescent light as a control. The bird behaviors were recorded at 28, 35 and 42 d of grow-out ...
Assessment of the effectiveness of light-emitting diode and diode laser hybrid light sources to intensify dental bleaching treatment
(Informa Healthcare, 2011-05-01)
Objective. To evaluate the effectiveness of the color change of hybrid light-emitting diode (LED) and low-intensity infrared diode laser devices for activating dental bleaching and to verify the occurrence of a color ...
Assessment of the effectiveness of light-emitting diode and diode laser hybrid light sources to intensify dental bleaching treatment
(Informa Healthcare, 2011-05-01)
Objective. To evaluate the effectiveness of the color change of hybrid light-emitting diode (LED) and low-intensity infrared diode laser devices for activating dental bleaching and to verify the occurrence of a color ...
Efficient green-emitting Tb3+-doped di-ureasil coating phosphors for near-UV excited light-emitting diodes
(2020-03-01)
Light-emitting diodes (LEDs) are replacing conventional lighting sources, like incandescent and fluorescent lamps, due to their higher efficiency, lower energy consumption and environmental friendliness characteristics. ...
Absorbance detector for high performance liquid chromatography based on a deep-UV light-emitting diode at 235 nm
(2017-08-25)
In this communication, we describe a flow-through optical absorption detector for HPLC using for the first time a deep-UV light-emitting diode with an emission band at 235 nm as light source. The detector is also comprised ...
Biosubstrates Obtained from Gellan Gum for Organic Light-Emitting Diodes
(2021-01-01)
Nowadays, flexible organic electronics are under intense investigation for environmentally friendly and biocompatible applications. One of the main components of electronic devices is the substrate, which gives support for ...
Three generations of luminous devices: a comparison in search of energy efficiency and ecologyca re
(4th International Congress on Alternative Energies, 2013-10-15)
ln this work a comparison is made between three generations of luminous devices, in order to have a quantitative estimation about the advantages of the new technologies on illumination sources based on Light Emitting Oiodes ...