γ辐射对青海弧菌Q67发光强度的影响

颜未; 唐方东; 何林锋; 陈建新; 忻智炜; 孙训; 黄志; 蒯琳萍

doi:10.11889/j.0253-3219.2017.hjs.40.120502

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γ辐射对青海弧菌Q67发光强度的影响

核物理、交叉学科研究 | 更新时间：2021-05-19

- γ辐射对青海弧菌Q67发光强度的影响
- Effect of gamma ray radiation on the luminous intensity of Vibrio Qinghaiensis sp. Q67
- 核技术 2017年40卷第12期文章编号：120502
- 作者机构：
  
  1.上海交通大学上海 200240
  2.上海市计量技术测试研究院上海 201203
- 作者简介：
  
  [ "颜未, 男, 1991年出生, 2013年毕业于南华大学, 现为硕士研究生, 主要从事核能科学研究", "YAN Wei, male, born in 1991, graduated from University of South China in 2013, master student, focusing on nuclear and technology" ]
  蒯琳萍, E-mail:lkuai@stju.edu.cn KUAI Linping, E-mail:lkuai@stju.edu.cn
- 基金信息：
  
  国家自然科学基金(11575114)
- DOI：10.11889/j.0253-3219.2017.hjs.40.120502
  中图分类号： TL75
- 收稿日期：2017-06-25，
  
  修回日期：2017-08-22，
  
  纸质出版日期：2017-12-10
- 稿件说明：
移动端阅览
颜未, 唐方东, 何林锋, 等. γ辐射对青海弧菌Q67发光强度的影响[J]. 核技术, 2017,40(12):120502

Wei YAN, Fangdong TANG, Linfeng HE, et al. Effect of gamma ray radiation on the luminous intensity of Vibrio Qinghaiensis sp. Q67[J]. Nuclear techniques, 2017, 40(12): 120502
颜未, 唐方东, 何林锋, 等. γ辐射对青海弧菌Q67发光强度的影响[J]. 核技术, 2017,40(12):120502 DOI： 10.11889/j.0253-3219.2017.hjs.40.120502.

Wei YAN, Fangdong TANG, Linfeng HE, et al. Effect of gamma ray radiation on the luminous intensity of Vibrio Qinghaiensis sp. Q67[J]. Nuclear techniques, 2017, 40(12): 120502 DOI： 10.11889/j.0253-3219.2017.hjs.40.120502.

摘要

采用

Co γ射线源对青海弧菌Q67辐照，研究了辐射剂量（率）对其发光强度的影响。实验表明，在0.05 Gy·min

-1

、0.1 Gy·min

-1

、0.2 Gy·min

-1

三种剂量率下，青海弧菌Q67经过短时间的照射后，其发光强度明显受到抑制。剂量率（

）和照射时间（

）两个变量中，

的增加对于青海弧菌Q67发光强度影响更大，并且通过软件SPSS19.0进行回归拟合分析，发现青海弧菌Q67的相对发光值（

）与

和

的自然对数值呈现二元线性关系。最后，以0.2 Gy·min

-1

的剂量率梯度为对象，测定了辐照后青海弧菌Q67光密度（OD

600

）的变化，发现经过不同短时间辐照后相对光密度（

）也受到抑制，说明辐照引起的青海弧菌Q67菌体的损伤和死亡是其发光强度抑制的重要原因。研究表明，青海弧菌Q67对于γ辐照有较好的敏感性，可以作为一种潜在的评价γ射线对生命体危害的生物材料。

Abstract

Background

The suppression of bacterial luminescence by poisonous substance has being previously reported

such as heavy metals

pesticides

however

rarely radiation.

Purpose

This study aims to investigate the toxicity of the bioluminescent bacteria

Vibrio Qinghaiensis sp. Q67

to γ-ray radiation and the possibility of using bacteria as a biological radiation dosemeter.

Methods

In this paper

the effects of γ-ray radiation on luminous intensity of Vibrio Qinghaiensis sp. Q67 are studied using

Co γ radiation source with various dose rate (

) and irradiation time (

Results

Experimental results show that the relative luminous values (

) of Vibrio Qinghaiensis sp. Q67 decrease with the increase of dose rate (

) and irradiation time (

) for acute radiation

and linear bivariate associations is found between

and the logarithm value of

and

Conclusion

Vibrio Qinghaiensis sp. Q67 is sensitive to acute γ-ray radiation

which could be used to monitor γ-ray radiation.

关键词

Keywords

references

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