Acute Dosimetry and Estimation of Threshold-Inducing Behavioral Signs of Thermal Stress in Rabbits at 2.45GHz Microwave Exposure,10.1109/TBME.2009.203

Acute Dosimetry and Estimation of Threshold-Inducing Behavioral Signs of Thermal Stress in Rabbits at 2.45GHz Microwave Exposure (Citations: 1)


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In the current international guidelines and standards for human exposure to microwaves (MWs), the basic restriction is determined by the whole-body average specific absorption rate (SAR). The basis for the guidelines is the adverse effect such as work stoppage in animals for whole-body average SARs above a certain level. Although it is known that absorbed MW energy causes the behavioral sign of thermal stress, the relationship of whole-body average SAR with temperature/temperature elevation has not been sufficiently investigated. In the present study, we performed experiments on rabbits exposed to 2.45-GHz MWs. A total of 24 measurements were conducted for power densities from approximately 100 to 1000 W/m2. Our computational code for electromagnetic-thermal dosimetry was used to set the exposure time duration and incident power density. Our experimental results suggest that a core temperature elevation of 1 ??C is an estimate of the threshold-inducing complex behavioral signs of MW-induced thermal stress in rabbits for different whole-body average SARs and exposure time durations. The whole-body average SAR required for MW-induced behavioral sign in rabbits was estimated as approximately 1.3 W/kg for 2.45-GHz MWs.

Journal: IEEE Transactions on Biomedical Engineering - IEEE TRANS BIOMED ENG , vol. 57, no. 5, pp. 1234-1242, 2010

DOI: 10.1109/TBME.2009.2038896

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Acute Dosimetry and Estimation of Threshold-Inducing Behavioral Signs of Thermal Stress in Rabbits at 2.45GHz Microwave Exposure,10.1109/TBME.2009.203

References (19)

Microwaves modify thermoregulatory behavior in squirrel monkey (Citations: 19)

Behavioral and physiological effects of chronic 2450MHz microwave irradiation of the rat at 0. 5 MW/cm sq (Citations: 5)

Modeling thermal responses in human subjects following extended exposure to radiofrequency energy (Citations: 6)

FDTD analysis of body-core temperature elevation in children and adults for whole-body exposure (Citations: 6)

Temperature and SAR calculations for a human head within volume and surface coils at 64 and 300 MHz (Citations: 47)

Citations (1)

Exposure systems for bioelectromagnetic investigations in the radiofrequency range: Classification and emerging trends (Citations: 1)


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