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Influence of mice microvascular induced by LED with different wavelengths

LEI JI1, ZHIMIN ZHAO1,* , LIN ZHANG1

Affiliation

  1. College of Science, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, People’s Republic of China

Abstract

Although a variety of experiments on light exposure stress to animals significantly affect the retina and vision neurons, it is still unknown whether light of different wavelengths can cause different extent of damage to micro vascular and circulation system. This study of light pollution on organisms is aimed to investigate the effects of four kinds of LED light radiation to mice. The results show that micro blood vessels are expanded and the flow is firstly accelerated and then slowed down. The extents of these variations are relatively different as the exposure time and wavelength changes. However, all of them cause damage to mice physiological conditions, producing some degree of light pollution. Experimental foundation to guarantee the safe wavelength and proper time of radiation is provided by the diversity of blood vessel condition. The research findings supply the guideline for the effective prevention of the impact on organism by light pollution from the view of science of optical life science..

Keywords

Micro vascular, LED, Different wavelengths, Blood flow, Diameter variation.

Submitted at: April 22, 2012
Accepted at: Sept. 20, 2012

Citation

LEI JI, ZHIMIN ZHAO, LIN ZHANG, Influence of mice microvascular induced by LED with different wavelengths, Journal of Optoelectronics and Advanced Materials Vol. 14, Iss. 9-10, pp. 741-747 (2012)