Efficacy of light-protective additive packaging in protecting milk freshness in a retail dairy case with LED lighting at different light intensities

The purpose of this paper is an investigation of LEDs illumination experience at US-based aerodromes with an assessment of its feasibility and its necessity in Russia. The following methods were used: the analysis of aerodrome lighting requirements; the review and the analysis of development features in aerodrome LEDs illumination; the experience analysis of LEDs illumination of US-based aerodromes; the deductive analysis and the assessment synthesis of feasibility and necessity of US experience in LEDs illumination at Russian-based aerodromes. The following results were achieved: – The analysis of issues and opportunities was conducted for development of LEDs illumination at US-based aerodromes and of American experts’ recommendations for its use; – The cases were taken for use and assessment of development in LEDs illumination at US-based aerodromes; – The review and the analysis were conducted in relation to a developing market of LEDs illumination at Russian-based aerodromes. The main conclusion is that the US experience will improve quality and reliability of service provided in air transportation, comfort, and safety of Russian flights, as well as competitiveness of Russian- based airports and airlines (indirectly).

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Present Situations and Future Prediction on LED Lighting

The Journal of the Institute of Electrical Engineers of Japan ◽

10.1541/ieejjournal.131.147 ◽

2011 ◽

Vol 131 (3) ◽

pp. 147-150

Author(s):

Keiichi SHIMIZU

Keyword(s):

Led Lighting ◽

Future Prediction

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Antioxidant System of Spirulina platensis (Nordst.) Geitler under the LED Lighting of Different Spectral Compositions

International Journal on Algae ◽

10.1615/interjalgae.v18.i2.50 ◽

2016 ◽

Vol 18 (2) ◽

pp. 157-168

Author(s):

N. V. Kozel ◽

E. E. Manankina ◽

Y. V. Viazau ◽

I. A. Dremuk ◽

S. M. Savina ◽

...

Keyword(s):

Antioxidant System ◽

Spirulina Platensis ◽

Led Lighting

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An environmentally-friendly LED lighting system for truck applications

10.26226/morressier.5e4fe9c16bc493207536f718 ◽

2020 ◽

Author(s):

Dimitris Baros ◽

Nena Apostolidou

Keyword(s):

Environmentally Friendly ◽

Lighting System ◽

Led Lighting

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Catalyst Halogenation Enables Rapid and Efficient Polymerizations with Visible to Near-Infrared Light

10.26434/chemrxiv.12588965 ◽

2020 ◽

Author(s):

Alex Stafford ◽

Dowon Ahn ◽

Emily Raulerson ◽

Kun-You Chung ◽

Kaihong Sun ◽

...

Keyword(s):

Near Infrared ◽

Transient Absorption ◽

Reaction Times ◽

Infrared Light ◽

Structure Property ◽

Light Emitting ◽

Structure Property Relationships ◽

Nir Light ◽

Light Intensities ◽

Emission Quenching

Driving rapid polymerizations with visible to near-infrared (NIR) light will enable nascent technologies in the emerging fields of bio- and composite-printing. However, current photopolymerization strategies are limited by long reaction times, high light intensities, and/or large catalyst loadings. Improving efficiency remains elusive without a comprehensive, mechanistic evaluation of photocatalysis to better understand how composition relates to polymerization metrics. With this objective in mind, a series of methine- and aza-bridged boron dipyrromethene (BODIPY) derivatives were synthesized and systematically characterized to elucidate key structure-property relationships that facilitate efficient photopolymerization driven by visible to NIR light. For both BODIPY scaffolds, halogenation was shown as a general method to increase polymerization rate, quantitatively characterized using a custom real-time infrared spectroscopy setup. Furthermore, a combination of steady-state emission quenching experiments, electronic structure calculations, and ultrafast transient absorption revealed that efficient intersystem crossing to the lowest excited triplet state upon halogenation was a key mechanistic step to achieving rapid photopolymerization reactions. Unprecedented polymerization rates were achieved with extremely low light intensities (< 1 mW/cm<sup>2</sup>) and catalyst loadings (< 50 μM), exemplified by reaction completion within 60 seconds of irradiation using green, red, and NIR light-emitting diodes.

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