[1] POPP F A, BELOUSSOV L. Biophtons［M］. London, Kluwer Academic Publishers, 2003, 1-40, 307-324.

[2] DEVARAJ B, USA M, lNABA H. Biophotons: ultraweak light emission from living systems［J］. Current Opinion in Solid State and Materials Science, 1997, 2(2): 188-193.

[3] NIGGLI H J, SCALETTA C, YU Y, et al. Ultraweak photon emission in assessing bone growth factor efficiency using fibroblastic differentiation［J］. Journal of Photochemistry and Photobiology B: Biology, 2001, 64(1): 62-68.

[4] HO M W, MUSUMECI F, SCORDINO A, et al. Delay luminescence from bovine Achilles′ tendon and its dependence on collagen structure［J］. Journal of Photochemistry and Photobiology B: Biology, 2002, 66(2): 165-170.

[5] TRIGLIA A, GRASSO F, MUSUMECI F, et al. Temperature dependence of the ultraweak spontaneous photon emission from soya seeds［J］. Nuovo Cimento D, 1993, 15(11): 1360-1370.

[6] MUSUMECI F, APPLEGATE L A, PRIVITERA G, et al. Spectral analysis of laser-induced ultraweak delayed luminescence in cultured normal and tumor human cells: temperature dependence［J］. Journal of Photochemistry and Photobiology B: Biology, 2005, 79(2): 93-99.

[7] YU Y, POPP F A, SIBYLLE S, et al. Further analysis of delayed luminescence of plants［J］. Journal of Photochemistry and Photobiology B: Biology, 2005, 78(3): 235-244.

[9] BAJPAI R P. Biophoton emission in a squeezed state from a sample of parmelia tinctorum［J］. Physics Letters A 2004, 322: 131-136.

[10] POPP F A, YU Y. Delayed luminescence of biological systems in terms of coherent states［J］. Physics Letters 2002, 293(2): 93-97.

[11] POPP F A, CHANG J J, HERZOG A Z, et al. Evidence of non-classical(squeezed) light in biological systems［J］, Physics Letters 2002, 293(2): 98-102.

[12] SEO D, M LAAGER F, YOUNG K, et al. Ultra-weak photon emission during wrist curl and cycling exercises in trained healthy men［J］. Electromagnetic Biology and Medicine, 2012, 31(2): 122-131.

[13] PETERSEN A B, PHILIPSEN P A, WULF H C. An explorative study of non-invasive ultra-weak photon emission and the anti-oxidative influence of oral zinc sulphate in light-sensitive patients with erythropoietic protoporphyria［J］. Skin Research and Technology, 2012, 18(4): 405-412.

[14] XI Gang, LIU Kai, XU Yong-kui, et al. Application of ultra weak photon emission in evaluation of egg freshness［J］. Transactions of the Chinese Society of Agricultural Engineering, 2012, 28(3): 263-268.

[15] XI Gang, LIU Kai, YANG Yun-Jing, et al. Effect of extremely low frequency high-voltage pulsed electric field on ultra-weak luminescence of corns during germination［J］. Acta Photonica Sinica, 2013, 42(6): 705-709.

[16] LI Guang, JIAO Xiao-xue, LIU Pin, et al. Spectral feature of delayed luminescence of plant leaf［J］. Acta Laser Biology Sinica, 2007, 16(6): 679-683.

[17] GU Fang, GUO Kang-quan, DU Feng-tao. Study on delayed bioluminescence characteristic of strawberry［J］. Journal of Agricultural Mechanization Research, 2009, 31(5): 177-179.

[18] CHEN Jiang-li, LU Zhi-guo. Garlic delayed luminescence［J］. Journal of Optoelectronics·Laser, 1999, 10(4): 365-367.

[19] ZHANG Xiao-hui, YU Ning-mei, LIU Kai. Measurement system for delayed luminescence based on the LED［J］. Chinese Journal of Scientific Instrument, 2010, 31(8): 1878-1883.

[20] SUN Xiao-jie. Design and application of the ultra-weak bioluminescence detecting system［J］. Journal of Tianjin Normal University(Natural Science Edition), 2010, 30(3): 41-44.

[21] BERTOGNA E, SANTOS S R, PATERNIANI J E S, et al. Automatic set-up for ultra-weak photon emission measurements in organisms［J］.SBMO/IEEE MTT-S International［J］. Microwave and Optoelectronics Conference Proceedings, 2011, 449-452.

[22] http: //www.perkinelmer.com

[23] SUN Jin-hui, XIA Qi-lin, ZHANG Ding-jin, et al. Skylight luminometer of twilight and weak light detection［J］. Journal of Data Acquisition &Processing, 1995, 10(s): 117-119.

[24] CHU Ming-hui, WU Qing, WANG Jian, et al. Calculation of theoretical limitation of lumen efficiency for white LED［J］. Chinese Journal of Luminescence, 2009, 30(1): 77-80.