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在料中的铁六酸盐对银色普鲁士鱼的Cs吸收和排泄的影响

Valery Kashparov¹, Sviatoslav Levchuk², Toshihiro Wada³

¹Ukrainian Institute of Agricultural Radiology (UIAR) of National University of Life and Environment Sciences of Ukraine, Kyiv, Ukraine; Center for Environmental Radioactivity (CERAD), Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway.

Journal of environmental radioactivity

|July 26, 2024

概括

铁六酸盐 (KFCF) 有效地减少了鱼类中的-137 (Cs) 污染. 养KFCF显著提高了银色普鲁士的Cs排泄,降低了污染水平.

科学领域:

环境科学环境科学
水生毒理学水生毒理学
放射化学放射化学是指辐射化学.

背景情况:

-137 (Cs) 是水生生态系统中重要的放射性核酸污染物.
鱼类容易积累137Cs,对食品安全和生态系统健康构成风险.
需要采取有效的对策,以减轻鱼类中Cs的生物积累.

研究的目的:

评估铁六酸盐 (KFCF) 作为料添加剂的有效性,以减少银色普鲁士鱼中Cs的积累.
研究KFCF对鱼类中137Cs吸收和分泌动态的影响.
确定最佳的KFCF度,以最大限度地降低鱼组织中的Cs水平.

主要方法:

实验室水族馆实验是用银色普鲁士鱼 (Carassius gibelio) 进行的.
鱼类在最初的吸收期内暴露在Cs污染的料中.
随后的暴露涉及含有不同度KFCF (0%,0.1%,1%) 的料以及干净或受污染的料.
在长时间内监测鱼类中的Cs活性,以评估摄取,积累和排泄率.

主要成果:

与对照群相比,养KFCF显著降低了鱼类中的Cs活性3.6至4.4倍.
补充KFCF加速了137Cs的分泌,使生物半衰期 (T1/2) 从108天减少到53-64天.
观察到137Cs水平显著下降,甚至在KFCF服用100天内低于清洁料水平.
证实了KFCF对137Cs分泌的统计显著影响 (p < 0.01).

结论:

铁六酸盐 (KFCF) 是一种具有成本效益和高效的对抗措施,用于防止鱼类中Cs污染.
补充KFCF显然可以增强从银色普鲁士鱼中消除137Cs.
这些发现支持使用含有KFCF的料来缓解水产养殖和受污染的水生环境中的放射性核酸生物积累.

关键词:

(137) Csss 的意思是清洁料反制措施清洁料反制措施淡水鱼是什么意思?六亚诺酸盐是什么六亚诺酸减少因子的减少因子.

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