@article {10187,
	title = {Microfluidic generation and dynamically switching of oxygen gradients applied to the observation of cell aerotactic behaviour},
	journal = {Microelectronic Engineering},
	year = {2011},
	pages = {1698-1701},
	doi = {10.1016/j.mee.2011.01.003},
	author = {Ning Li and Chunxiong Luo and Xuejun Zhu and Yong Chen and Qi Ouyang and Liping Zhou}
}
