Feng Pana, *, Shuo Liua, Zhe Wangb, Peng Shangb, **, and Wen Xiaoa, ***
a Key Laboratory of Precision Opto-mechatronics Technology, School of Instrument Science and Optoelectronics
Engineering, Beihang University, Beijing 100191, China
b Key Laboratory for Space Biosciences and Biotechnology, School of Life Sciences,
Northwestern Polytechnical University, Xi’an 710072, China
*e-mail: panfeng@buaa.edu.cn
**e-mail: shangpeng@nwpu.edu.cn
***e-mail: xiaow@buaa.edu.cn
Received March 26, 2012; in final form, May 1, 2012; published online August 1, 2012
Abstract—The experiment of dynamic and quantitative phase-contrast imaging of living cells in simulated
zero gravity environment were performed by using digital holographic microscopy (DHM) combined with a
superconducting magnet (SM). The SM with large gradient high magnetic field was used to simulate zero grav-
ity by levitating biological living samples. The proposed DHM system provided highly efficient and versatile
means for dynamically and quantitatively phase-contrast imaging MC3T3-E1 cells. To our knowledge, the
phase images of living cells undergoing modifications and division under simulated zero gravity were firstly
obtained by using DHM-SM prototype.
DOI: 10.1134/S1054660X12090125
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