[1] [1] WHITESIDES G M. The origins and the future of microfluidics.［J］. Nature, 2006, 442(7101): 368-373.

[2] [2] LIN Bingcheng, QIN Jianhua. Graphic microfluidic chip ［M］. Beijing: Science Press, 2008.

[3] [3] QIN Jianhua, Progress in the research of microfluidic technology ［J］. Chinese Journal of Chromatography, 2010, 28(11): 1009-1010.

[4] [4] FANG Zhaolun, Microfluidic chip ［M］. Beijing: Science Press, 2003.

[5] [5] DI C D, AGHDAM N, LEE L P. Single-cell enzyme concentrations, kinetics, and inhibition analysis using high-density hydrodynamic cell isolation arrays［J］. Analytical Chemistry, 2006, 78(14): 4925-30.

[6] [6] LIU Zhaomiao, YANG Yang, DU Yu, et al. Research progress of microfluidic droplet technology and its application ［J］. Chinese Journal of Analytical Chemistry, 2017, 45(2): 282-296.

[7] [7] ZHU Rui, XIAO Songshan, FAN Shifu.Developments in detection techn iques for Microfluidic Devices ［J］. Nanotechnology and Precision Engineering, 2005, 3(1): 74-79.

[8] [8] LIAO Xichang, ZHENG Huifei, YUAN Min, et al.High power light-emitting-diode induced fluorescence detector for microfluidic chip analysis ［J］. Optics and Precision Engineering, 2009, 17(12): 2906-2911.

[9] [9] SHI Yan, WANG Liqiang, ZHENG Hua, et al. New system arrangement for the improvement of fluorescence collecting efficiency in microfluidic chip detection ［J］. Journal of Optoelectronics·Laser, 2008, 19(1): 92-95.

[10] [10] GU Wenwen. LED induced transmitted fluorescence detector integrated in microfluidic cell chip ［J］. Optics and Precision Engineering, 2014, 22(8): 2159-2165.

[11] [11] XIAO Yajing. Research on the detection methods and technology of microfluidic chip based on image processing ［D］. Hebei University of Technology, 2011.

[12] [12] ZENG Xiaoying, LI Yunhua. On-line monitoring and prediction of oil contamination using image-optics measuring method ［J］. Hydraulics Pneumatics & Seals, 2012, 32(7): 60-65.

[13] [13] FENG Yi, ZHANG Chunping, ZHANG Tieqiang. An opto_electronic system for measuring the size of pollution debris in hydraulic oil ［J］. Optical Technique, 2007, 33(2): 255-257.

[14] [14] MURALI S, JAGTIANI A V, XIA X, et al. A microfluidic Coulter counting device for metal wear detection in lubrication oil.［J］. Review of Scientific Instruments, 2009, 80(1): 1011.

[15] [15] WU Zhangjiachen, SUN Runzhe, PAN Xinxiang, et al. Oil Drops in the water and the oil volume fraction measurement in the microfluidic chip ［J］. Micronanoelectronic Technology, 2015, 52(5): 310-317.

[16] [16] ZHOU Zhen, SU Chengyue, FU Qian, et al. LED collimatin lens based on free-form surface ［J］. Journal of Applied Optics, 2012, 33(6): 1058-1062.