A three dimensional Fricke-(PVA-glutaraldehyde)-xylenol orange (FPGX) hydrogel dosimeter was prepared by chemical crosslinking method.Dose determination was performed by measuring the absorbance change of the dosimete...A three dimensional Fricke-(PVA-glutaraldehyde)-xylenol orange (FPGX) hydrogel dosimeter was prepared by chemical crosslinking method.Dose determination was performed by measuring the absorbance change of the dosimeter before and after irradiation using UV-Vis spectrophotometer at 585 nm.The dose response of the FPGX hydrogel dosimeter related to absorbance change was linear,when it was irradiated by X-ray in the range of 0~2 Gy.The stability of the dosimeter before and after irradiation was evaluated by studying the change of absorbance with time.展开更多
基金Supported by Shanghai Municipal Science & Technology Commission (08cj1410200)Shanghai Leading Academic Discipline Project (No. S30109)
文摘A three dimensional Fricke-(PVA-glutaraldehyde)-xylenol orange (FPGX) hydrogel dosimeter was prepared by chemical crosslinking method.Dose determination was performed by measuring the absorbance change of the dosimeter before and after irradiation using UV-Vis spectrophotometer at 585 nm.The dose response of the FPGX hydrogel dosimeter related to absorbance change was linear,when it was irradiated by X-ray in the range of 0~2 Gy.The stability of the dosimeter before and after irradiation was evaluated by studying the change of absorbance with time.
