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使用高纯锗探测器对奶粉样品中的污染物进行γ辐射综合分析。

Comprehensive Analysis of Contaminants in Powdered Milk Samples Using an HPGe for γ Radiation.

作者信息

Younis Hannan, Ahmad Mohammad Ayaz, Azeem Umair, Shaik Mohammed Rafi, Al-Warthan Abdulrahman, Shaik Baji, Jagnandan Antalov, Jagnandan Shawn, Ajaz Muhammad

机构信息

Radiation Physics Lab, Department of Physics, COMSATS University Islamabad, 45550 Islamabad, Pakistan.

Department of Mathematics, Physics and Statistics, Faculty of Natural Sciences, University of Guyana, Georgetown, Guyanan 101110, South America.

出版信息

ACS Omega. 2024 May 1;9(19):21089-21096. doi: 10.1021/acsomega.4c00648. eCollection 2024 May 14.

DOI:10.1021/acsomega.4c00648
PMID:38764634
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11097170/
Abstract

: This study aimed to assess the activity concentrations and cancer risk assessments of Th and K in powdered milk samples collected from various suppliers in Pakistan, considering the increasing concern about cancer risks associated with environmental radiological effects related to food consumption. : Specific activity concentrations were determined using a high-resolution, high-purity germanium γ-spectroscopy system. : The specific activity levels of K and Th in the analyzed powdered milk samples were found to be 230.86 and 6.87 Bq/kg, respectively, well within the safe limits recommended by the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR). The hazard index (0.074 Bq/kg) and radium equivalent (27.58 Bq/kg) were calculated as indicators of radiation hazard, along with absorbed dose (26.26 nGy/h), annual effective dose (0.13 nGy/h), and excess lifetime cancer risk (0.45). These parameters provide insights into the potential health risks associated with powdered milk consumption. : The findings collectively affirm the radiological safety of the analyzed powdered milk samples, providing valuable insights into the potential health risks associated with their consumption.

摘要

本研究旨在评估从巴基斯坦不同供应商收集的奶粉样品中钍（Th）和钾（K）的活度浓度及癌症风险评估，鉴于人们对与食物消费相关的环境辐射影响所带来的癌症风险日益关注。使用高分辨率、高纯度锗γ能谱系统测定比活度浓度。在所分析的奶粉样品中，钾和钍的比活度水平分别为230.86和6.87贝克勒尔/千克，远低于联合国原子辐射影响科学委员会（UNSCEAR）建议的安全限值。计算了危害指数（0.074贝克勒尔/千克）和镭当量（27.58贝克勒尔/千克）作为辐射危害指标，同时还计算了吸收剂量（26.26纳戈瑞/小时）、年有效剂量（0.13纳戈瑞/小时）和终生超额癌症风险（0.45）。这些参数有助于了解与食用奶粉相关的潜在健康风险。研究结果共同证实了所分析奶粉样品的辐射安全性，为食用这些样品可能带来的健康风险提供了有价值的见解。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/80e6324942c7/ao4c00648_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/bcf7639fe8fa/ao4c00648_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/fdcbbfa981b8/ao4c00648_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/f9dd3e301be3/ao4c00648_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/2fa2a6756a3a/ao4c00648_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/ee7a8ed956c7/ao4c00648_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/9ef82edd48cb/ao4c00648_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/80e6324942c7/ao4c00648_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/bcf7639fe8fa/ao4c00648_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/fdcbbfa981b8/ao4c00648_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/f9dd3e301be3/ao4c00648_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/2fa2a6756a3a/ao4c00648_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/ee7a8ed956c7/ao4c00648_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/9ef82edd48cb/ao4c00648_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d378/11097170/80e6324942c7/ao4c00648_0007.jpg

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Estimation of cancer risk due to radiation exposure for some daily consumption of foods.
某些日常食品辐射照射所致癌症风险评估。
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