The effect of artificial sunlight (AS) from a xenon source and of converted AS with an additional orange-red luminescent
(λMAX=626 nm) component (AS+L) on the development of mouse zygotes was investigated. A plastic screen with a
photoluminophore layer was used for production of this orange-red luminescent (L) component. A single short-term (15
min) exposure produced a long-term stable positive effect on early embryo development of mice, which persisted during
several days. After exposure to AS+L, a stimulating influence on preimplantation development was observed, in
comparison with the control group without AS exposure. The positive effects were as follows: increase in percent of
embryos (P ≤ 0.05) developed to the blastocyst stage (96.2 %) with hatching from the zona pellucida (80.8 %) within
82-96 hours in vitro compared to the control (67.1 % and 28.8 %, respectively).
R. Khramov, L. Fakhranurova, I. Santalova, N. Simonova, I. Vikhlyantsev, E. Karaduleva, Z. Podlubnaya, A. Manokhin, V. Kreslavski, D. Rzhevsky, A. Murashev, V. Vorobiev
We propose a "useful sun" strategy with application of a photoluminophore that absorbs a part of the UV component of
the sunlight and converts it into the visible light. As a result, the "harmful" UV sun radiation becomes useful. The
present study was designed to determine the effect of additional luminescent radiation with λm=626nm on the physical
endurance in 12-week-old male mice. Four groups of animals were used: Control I, intact animals; Control II, exposure
to standard artificial day light 5 BT/M2; Control III, exposure to solar radiation with absorbed UV-component; and
Experiment, exposure to converted solar radiation with an additional orange-red luminescent component in the range of
603-637 nm (0.11 J/cm2 per day). The experimental group showed a significant increase (by more than 50%) in
swimming time to exhaustion as compared to Control III. No significant difference in physical endurance was found
between Control III and Control II. These results suggest that improvement in swimming endurance by the solar light is
due to an additional orange-red luminescent component in the range of 603-637 nm.
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