Development and validation of tools for risk evaluation in low dose radiation protection

核电目前提供了加拿大约14%的电力。为了保证核电站工作人员的辐射防护，拥有准确的辐射测量装置和剂量计算工具是非常重要的。目前的辐射测量技术存在技术上的局限性，特别是在低剂量β辐射和中子辐射领域，因此，本研究旨在开发先进的辐射探测器和仪器来解决这些问题。开发的辐射探测器和信号处理系统将进行测试，并最终用于核电站。**我们在核电行业面临的另一个挑战是环境辐射防护。到目前为止，辐射防护主要集中在保护人类上，但最近全球范围内的举措表明，在不久的将来，立法者将不得不制定专门针对环境保护的措施。如何做到这一点是一个问题，因为生态系统的复杂性，以及大多数环境中存在除辐射外的多种应激源。因此，这项研究将寻求将用新开发的探测器测量的低辐射剂量与对人口的影响联系起来，记住这种影响并不总是不利的。此外，研究小组还将尝试了解低辐射剂量的机制。这是开发生物指示器和生物传感器的关键，它们可以提醒我们注意微妙的影响，这些影响可能不会立即被观察到，但可能会产生后来变得重要的潜伏影响。拟议的研究小组在辐射测量和生物学方面处于领先地位，并拥有广泛的国际合作者网络。

Nuclear power currently provides approximately 14% of Canada's electricity. In order to guarantee radiation protection for the workers at nuclear power stations, it is of great importance to have accurate radiation measurement devices and dose computational tools. There are technical limitations in the current radiation measurement technology, particularly for low dose beta and neutron radiation fields, and therefore, this research aims to develop advanced radiation detectors and instrumentation to address them. The developed radiation detectors and signal processing systems will be tested and eventually used at nuclear power plants. **Another challenge we face in the nuclear power industry is radiation protection for the environment. To date, radiation protection has mainly focused on protecting humans, but recent moves worldwide suggest that in the near future legislators will have to put in place measures specifically aimed at protecting the environment. How to do this is the issue, given the complexity of ecosystems and the existence of multiple stressors other than radiation in most environments. Hence, this research will seek to correlate low radiation doses measured with the newly developed detectors, with impacts on populations, bearing in mind that such impacts may not always be adverse. Moreover, the research team will also attempt to understand low radiation dose mechanisms. This is the key to developing bio-indicators and bio-sensors which can alert us to subtle impacts which may not be immediately observable but can have insidious effects which later become important. The proposed research team is at the forefront in radiation measurement and biology, and has a wide network of international collaborators.******