Gamma radiation-induced thermoluminescence, trace element and paramagnetic defect of quartz from the Sambagawa metamorphic belt, Central Shikoku, Japan

Chuenpee, Theeraporn; Nishikawa, Osamu; Kon, Yoshiaki; Ninagawa, K.; Toyoda, Shin; Ogata, Tetsuya; Uchida, Takashi; Takashima, Isao

doi:10.1016/j.apradiso.2016.11.013

Cited by 5 publications

(4 citation statements)

References 45 publications

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“…[ 4 ] During the formation of marble, various geological environmental conditions such as intense heat and high pressure over a long period of time introduce defects into its crystal lattice. [ 5 ] Two important point defects are seen in metamorphic rocks: intrinsic and extrinsic (impurity‐related) point defects. Intrinsic point defects are created at vacancies of cations or anions in the crystal lattice.…”

Section: Introductionmentioning

confidence: 99%

Thermoluminescence properties of unique Rosso Levanto marble

et al. 2020

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This marble extracted from deposits in Elazığ in Turkey resembles red meat in appearance and is only found in Elazığ. This type of marble has been widely used in the most famous architectural structures and buildings. In this study, the thermoluminescence (TL) properties of a unique marble that originated from Turkey, named Rosso Levanto, were investigated. Two distinct TL peaks were observed at 160°C and around 375°C. Particle size experiments showed that best TL intensity was seen at 200 μm particle size and therefore dose–response, heating rate, cycle of measurement and fading experiments were carried out on powdered samples with a particle size of 200 μm. The findings revealed good linearity in dose–response, observed up to 0.5 kGy. The reproducibility experiment gave good results, but peak intensity decreased by about 40% in first 6 h of storage in a dark room.

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Section: Introductionmentioning

confidence: 99%

Thermoluminescence properties of unique Rosso Levanto marble

et al. 2020

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“…Gamma radiation is a common type of radiation that can split water and lead to the formation of reactive oxygen species (ROS) (Lousada et al, 2016;Zheng et al, 2017), which in turn cause oxidative stress and cell death. Since ROS such as hydroxyl radicals (OH • ) and superoxide anion (O 2 • ) have unpaired electron in their structure, they can interact with DNA, proteins and lipids, leading to oxidative damages and cells death (Zheng et al, 2016;Chuenpee et al, 2017). Nevertheless, human cells contain several enzymatic and non-enzymatic antioxidants that play critical roles in free radicals scavenging (Wojcik et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Investigation of the effects of gamma radiation on plasma levels of Zn, Cu, Mn and Se in nuclear medicine staff

et al. 2019

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We assessed possible changes in the levels of some trace elements among nuclear medicine staff. This study was carried out on 30 nuclear medicine staff and 10 individuals as a control group. After the blood samples were collected, serum levels of trace elements were measured using atomic absorption spectroscopy (AAS). Mean Zn levels in the control group (89.75 ± 17.35 µmol/l) were significantly (p = 0.002) higher than in the exposed group (70.91 ± 14.46 µmol/l). Increased duration of exposure was significantly associated with reduced zinc levels (p = 0.005). Furthermore, the 5-year average dose received was adversely and significantly correlated with zinc concentrations (p = 0.019). No significant difference was observed in the Cu level between control group (93.85 ± 25.33 µmol/l) and staff worker group (85.6 ± 21.66 µmol/l) (p = 0.32). A positive significant correlation was observed between exposure time and reduced Cu levels (p = 0.05). No difference was found in mean Mn and Se levels between both groups according to exposure time. Declined Zn and Cu levels may be considered as one of the possible mechanisms of oxidative damages induced by gammas rays. Therefore, an antioxidant treatment could be recommended for people who work in medical radiation centers.

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“…curves from various forms of quartz exhibit great differences in shape [3][4][5]. Many investigations on quartz have been performed about its different properties [1,[6][7][8][9][10][11]. Some of the different studies about TL and OSL methods by using quartz samples are presented below:…”

Section: Introductionmentioning

confidence: 99%

Thermoluminescence and dosimetric characteristics study of quartz samples from Seyhan Dam Lake Terraces

Yüksel

2018

Can. J. Phys.

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In the present study, soil samples of Seyhan Dam Lake Terraces were collected and then pure quartz samples were separated using various separation methods. The quartz samples were characterized using X-ray diffraction (XRD) and scanning electron microscopy – energy dispersive X-ray spectroscopy (SEM-EDX) methods. Thermoluminescence (TL) measurements were carried out using lexsyg smart TL – optically stimulated luminescence (OSL) reader with a constant heating rate of 1 °C/s from room temperature to 450 °C. Beta dose response of the samples were investigated in the dose range from 1 to 10 Gy and the linear dose response range was determined as 1–5 Gy. Computerized glow curve deconvolution (CGCD), peak shape, and isothermal decay (ID) methods were used to determine activation energy (E), order of kinetics (b), and frequency factor (s) of the samples. Furthermore, in this study, minimum detectable dose values of the quartz samples were also determined.

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Gamma radiation-induced thermoluminescence, trace element and paramagnetic defect of quartz from the Sambagawa metamorphic belt, Central Shikoku, Japan

Cited by 5 publications

References 45 publications

Thermoluminescence properties of unique Rosso Levanto marble

Thermoluminescence properties of unique Rosso Levanto marble

Investigation of the effects of gamma radiation on plasma levels of Zn, Cu, Mn and Se in nuclear medicine staff

Thermoluminescence and dosimetric characteristics study of quartz samples from Seyhan Dam Lake Terraces

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