A REVERBERATION CHAMBER TO INVESTIGATE THE POSSIBLE EFFECTS OF "IN VIVO" EXPOSURE OF RATS TO 1.8 GHz ELECTROMAGNETIC FIELDS: A PRELIMINARY STUDY | Zendy

P. F. Biagi | Zendy; L. Castellana | Zendy; T. Maggipinto | Zendy; G. Maggipinto | Zendy; T. Ligonzo | Zendy; L. Schiavulli | Zendy; D. Loiacono | Zendy; A. Ermini | Zendy; Maria Lasalvia | Zendy; G. Perna | Zendy; V. Capozzi | Zendy

Open Access

A REVERBERATION CHAMBER TO INVESTIGATE THE POSSIBLE EFFECTS OF "IN VIVO" EXPOSURE OF RATS TO 1.8 GHz ELECTROMAGNETIC FIELDS: A PRELIMINARY STUDY

Author(s) -

P. F. Biagi,

L. Castellana,

T. Maggipinto,

G. Maggipinto,

T. Ligonzo,

L. Schiavulli,

D. Loiacono,

A. Ermini,

Maria Lasalvia,

G. Perna,

V. Capozzi

Publication year - 2009

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier09061006

Subject(s) - electromagnetic reverberation chamber , electromagnetic field , in vivo , acoustics , engineering , physics , electrical engineering , materials science , reverberation , biology , microbiology and biotechnology , quantum mechanics

A system generating 1.8GHz electromagnetic fields for bio-medical and behavioral study on laboratory animals was designed and implemented. The system is based on a reverberation chamber. An input power up to 5W can be sent to an indoor transmitting antenna and an electric field strength (E) more than 90V/m can be reached inside the chamber. The system was characterized at different input powers measuring E in different points by means of a miniature sensor. Then, boxes with 300cc of physiological liquid inside were realized as simple phantoms simulating laboratory animals (rats) and E inside the liquid was measured, performing several simulations by moving the phantoms (1,2) in the chamber and/or putting them still in different positions. On the basis of these measurements, the SAR (Specific Absorption Rate) and the Pe (power efficiency = SAR/input power) were determined at different powers. The actual system is characterized by a low power efficiency with respect to the "in vivo" exposition systems based on transversal electromagnetic (TEM) cells. Its advantage is to have inside the chamber a habitat similar to the usual one for the laboratory animals

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