EFFECTS OF FIELD SIZE ON THE SURVIVAL OF PIG EPIDERMAL COLONY-FORMING IN-SITU AFTER ELECTRON-IRRADIATION

被引:4
作者
CHEN, FD [1 ]
CHEN, KY [1 ]
LEE, YL [1 ]
YU, C [1 ]
机构
[1] VET GEN HOSP, CTR CANC THERAPY, TAIPEI, TAIWAN
关键词
D O I
10.1080/09553009514550101
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The survival of colony-forming cells in pig epidermis after irradiation was measured using different electron field sizes. The sensitivity of the colony-forming cells was characterized by D-0=2.5-3.0 Gy. There was an effect of field size, described approximately by: Dose (to give five colonies/cm(2)) (Gy) = (31 +/- 2) x Area(-(0.048+/-0.015)) . The effect of field size was less than found previously using tolerance to skin reactions (area exponent = 0.16). This work indicates for the first time that the effects of different large field sizes in skin can be detected at the level of colony-forming cell survival.
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页码:79 / 83
页数:5
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