Measurement of radon concentration in blood and urine samples collected from female cancer patients using RAD7

Abstract

The environmental monitoring of radon in the female blood and urine with the cancer problems has been carried out by using RAD7. This study has been undertaken for the purpose of health risk assessments. The significant of the results is this study indicate to the health risk assessments by showing association between radon concentration of blood and urine and cancers. The concentration of radon in blood samples varies from 417 to 714 Bq m À3 with an average of 570.25 Bq m À3 before irradiation and varies from 463 to 881 Bq m À3 with an average of 734.50 after irradiation. The concentration of radon in urine samples varies from 149 to 289 Bq m À3 with an average of 208.50 Bq m À3 before irradiation and varies from 239 to 1990 Bq m À3 with an average of 1062.62 Bq m À3 after irradiation. This study shows association between radon and cancers, also the results showed that the Rad7 particularly, has ability to measuring the concentration of blood and urine samples with higher levels of radon and correlation together.

Weather-dependent modelling of the indoor radon concentration in two dwellings using CONTAM

“…The values 29–31 for the Pearson correlation coefficients corresponding to significant correlations are above 0.7 – therefore in the case of the present results, we cannot state any clear correlation between simulation and measurement. However, considering the mean values of the radon concentrations and standard deviations, shown in Table 2, the agreement is remarkable considering the number of factors involved in the simulation.…”

“…It is also commonly used when evaluating the different factors that influence radon concentrations. [29][30][31] The correlation strength can be assessed using the following generally established guidelines: 28 0.1 < | r | < 0.3 -small/weak correlation 0.3 < | r | < 0.5 -medium/moderate correlation 0.5 < | r | -large/strong correlation Pearson correlation coefficients were calculated for the present simulated and measured datasets and the values 0.341 (dwelling A) and 0.198 (dwelling B) were obtained. These values indicate a low to moderate correlation between the simulated and measured datasets.…”

“…It is also commonly used when evaluating the different factors that influence radon concentrations. 29–31 The correlation strength can be assessed using the following generally established guidelines: 28…”

Measurement of radiation distribution for radon (Rn) and thoron (Th) concentrations in heritage Gua Batu and Gua mimpi of maros regency, South Sulawesi

“…Direct measurement is done directly using RAD7 consisting of solid start alpha detectors [14,15]. That is semiconductor material (usually silicon) that converts alpha radiation directly into electrical signals, and the results are read on a monitor.…”

Electro-Precipitation of Actinides on Boron-Doped Diamond Thin Films for Solid Sources Preparation for High-Resolution Alpha-Particle Spectrometry

“…Alpha-particle spectroscopy is commonly used for applications in various fields such as nuclear [1][2][3][4], environmental [5][6][7][8], artistic [9,10], and biological [11][12][13][14] samples. Conventional approaches for the preparation of alpha-particle sources generally include (i) radiochemical separation and purification [15,16], (ii) preparation of weightless and thin solid source onto a suitable backing material [17][18][19], and (iii) alpha-particle spectroscopic measurements under vacuum conditions using solid-state semiconductor detectors [20][21][22][23][24].…”