Abstract：
:Space radiation brings uneven damages to cells. The detection of the distribution of cell damage plays a very important role in radiation medicine and the related research. In this paper, a new hand-held microfluidic flow cytometer was developed to evaluate the degree of radiation damage of cells. The device we propose overcomes the shortcomings (e.g., large volume and high cost) of commercial flow cytometers and can evaluate the radiation damage of cells accurately and quickly with potential for onsite applications. The distribution of radiation-damaged cells is analyzed by a simultaneous detection of immunofluorescence intensity of γ-H2AX and resistance pulse sensor (RPS) signal. The γ-H2AX fluorescence intensity provides information of the degree of radiation damage in cells. The ratio of the number of cells with γ-H2AX fluorescence signals to the total numbers of cells detected by RPS indicates the percentage of the cells that are damaged by radiation. The comparison experiment between the developed hand-held microfluidic flow cytometer and a commercial confocal microscope indicates a consistent and comparable detection performance.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Wang J,Fan Z,Zhao Y,Song Y,Chu H,Song W,Song Y,Pan X,Sun Y,Li Ddoi
10.1038/srep23165subject
Has Abstractpub_date
2016-03-17 00:00:00pages
23165issn
2045-2322pii
srep23165journal_volume
6pub_type
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