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Author |
Li, C.; Chen, Z.; Yang, L.; Lv, B.; Liu, J.; Varsier, N.; Hadjem, A.; Wiart, J.; Xie, Y.; Ma, L.; Wu, T. |
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Title |
Generation of infant anatomical models for evaluating electromagnetic field exposures |
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Journal Article |
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Year |
2015 |
Publication  |
Bioelectromagnetics |
Abbreviated Journal |
Bioelectromagnetics |
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Volume |
36 |
Issue |
1 |
Pages |
10-26 |
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Keywords |
electromagnetic fields exposure; finite-difference time-domain; magnetic resonance; reconstruction; segmentation |
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Abstract |
Realistic anatomical modeling is essential in analyzing human exposure to electromagnetic fields. Infants have significant physical and anatomical differences compared with other age groups. However, few realistic infant models are available. In this work, we developed one 12-month-old male whole body model and one 17-month-old male head model from magnetic resonance images. The whole body and head models contained 28 and 30 tissues, respectively, at spatial resolution of 1 mm x 1 mm x 1 mm. Fewer identified tissues in the whole body model were a result of the low original image quality induced by the fast imaging sequence. The anatomical and physical parameters of the models were validated against findings in published literature (e.g., a maximum deviation as 18% in tissue mass was observed compared with the data from International Commission on Radiological Protection). Several typical exposure scenarios were realized for numerical simulation. Dosimetric comparison with various adult and child anatomical models was conducted. Significant differences in the physical and anatomical features between adult and child models demonstrated the importance of creating realistic infant models. Current safety guidelines for infant exposure to radiofrequency electromagnetic fields may not be conservative. Bioelectromagnetics. 35:10-26, 2015. (c) 2014 Wiley Periodicals, Inc. |
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China Academy of Telecommunication Research of Ministry of Industry and Information Technology, Beijing, China; College of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing, China |
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English |
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0197-8462 |
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PMID:25328088 |
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CBM.UAM @ ccobaleda @ |
Serial |
584 |
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Author |
Tang, J.; Zhang, Y.; Yang, L.; Chen, Q.; Tan, L.; Zuo, S.; Feng, H.; Chen, Z.; Zhu, G. |
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Title |
Exposure to 900MHz electromagnetic fields activates the mkp-1/ERK pathway and causes blood-brain barrier damage and cognitive impairment in rats |
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Journal Article |
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Year |
2015 |
Publication |
Brain Research |
Abbreviated Journal |
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Volume |
1601 |
Issue |
30 |
Pages |
92-101 |
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Keywords |
Blood brain barrier; Electromagnetic field; albumin extravasation; electromagnetic fi eld; mkp-1/ERK pathway; spatial memory |
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Elsevier |
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WP5 In vitro; WP6 In vivo |
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UNIBAS @ david.schuermann @ |
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612 |
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Boga, A.; Emre, M.; Sertdemir, Y.; Akillioglu, K.; Binokay, S.; Demirhan, O. |
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Title |
The effect of 900 and 1800MHz GSM-like radiofrequency irradiation and nicotine sulfate administration on the embryonic development of Xenopus laevis |
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Journal Article |
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Year |
2015 |
Publication |
Ecotoxicology and Environmental Safety |
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113 |
Issue |
May 2010 |
Pages |
378-390 |
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Keywords |
GSM-like radiofrequency radiation; Nicotine sulfate; Teratogenicity; Xenopus laevis; gsm-like radiofrequency radiation |
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Abstract |
The aim of this study was to investigate the effects of GSM-like radiofrequency electromagnetic radiation (RF EMR) and nicotine sulfate (NS) exposure on Xenopus embryonic development.The developmental effects of GSM-like RF-EMR (900–1800 MHz, at a SAR value of 1 W/kg and NS on Xenopus laevis embryos were investigated). Following the application of radiofrequency radiation and/or NS administration, the embryos were closely examined in order to determine their possible teratogenic effects. Xenopus frogs obtained from the Department of Physiology of the Cukurova University, in accordance described by the Standard Guide of the American Society for Testing and Materials (ASTM). Following the exposure of Xenopus embryos to RF-EMR at 900 and 1800 MHz (1.0 W/kg) for 4, 6 and 8 h; the whole body specific energy absorption rate (SAR) of the embryos was calculated. With the exception of irradiation at 1800 MHz no dramatic developmental anomalies were observed in the Xenopus embryos in association with RF-EMR applications. Combined RF-EMR and NS applications resulted in dramatic abnormalities and death among the Xenopus embryos. The study results indicated that GSM-like RF-EMR (e.g. radiation from cell phones) was not as harmful to Xenopus embryos as might have been expected. However, the combined effects of GSM-like RF-EMR and NS on Xenopus embryos were more severe than the effect of RF-EMR or NS alone. In conclusion, the study results appear to suggest that the combined use of nicotine and cell phones might result in more pronounced detrimental effects on the health of smokers. |
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UNIBAS @ david.schuermann @ |
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609 |
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Author |
Hou, Q.; Wang, M.; Wu, S.; Ma, X.; An, G.; Liu, H.; Xie, F. |
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Title |
Oxidative changes and apoptosis induced by 1800-MHz electromagnetic radiation in NIH/3T3 cells |
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Journal Article |
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Year |
2015 |
Publication |
Electromagnetic Biology and Medicine |
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34 |
Issue |
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Pages |
85-92 |
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Keywords |
1800-mhz; apoptosis; dna damage; mobile; phone radiation; ros |
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UNIBAS @ david.schuermann @ |
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620 |
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Barteri, M.; De Carolis, R.; Marinelli, F.; Tomassetti, G.; Montemiglio, L.C. |
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Title |
Effects of microwaves (900 MHz) on peroxidase systems: a comparison between lactoperoxidase and horseradish peroxidase |
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Journal Article |
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Year |
2015 |
Publication |
Electromagnetic Biology and Medicine |
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Volume |
00 |
Issue |
00 |
Pages |
1-7 |
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Keywords |
900 mhz; 900 MHz; electromagneti fields; enzyme kinetics; horseradish peroxidase; lactoperoxidase; microwaves; radiofrequency; peroxidase; enzyme; kinetics |
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Informa Healthcare USA, Inc |
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UNIBAS @ david.schuermann @ |
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630 |
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