By Riadh Habash
From cellphones to treating melanoma, EM power performs an element in lots of of the techniques that we take with no consideration daily. A easy strength of nature, like nuclear power or gravity, this strength will be harnessed and used, yet nonetheless holds the aptitude to be damaging. The query is still, how secure are EM items? Bioeffects and healing functions of Electromagnetic strength offers a evaluation of state of the art examine in EM wellbeing and fitness results and EM remedy in addition to rising components of bioengineering and biomedical engineering.
The e-book enables you to
· comprehend the required EM thought within the context of its interplay with the human physique
· evaluation state of the art learn on EM well-being results and EM treatment
· discover options constructed to make sure sufficient EM and thermal dosimetry required for overall healthiness results and thermal treatment
· increase your realizing of the speedily rising parts of bioengineering and biomedical engineering
Taking a transdisciplinary method drawn from a number of highbrow streams that come with physics, epidemiology, medication, surroundings, hazard review, and numerous disciplines of engineering, this e-book ventures into the conflicting experiences to entry examine on bioeffects and healing purposes of EM strength. it's the in basic terms source presently on hand that covers bioeffects and chance overview of either super low frequency (ELF) fields and radiofrequency radiation (RFR) besides the new advancements in thermal remedy and imaging suggestions.
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Additional info for Bioeffects and Therapeutic Applications of Electromagnetic Energy
The larger the intensity of the beam, the more energy is available to be transferred. Also, the longer the duration of exposure, the more energy will be absorbed. The rate of change of the energy transferred to the material is called the absorbed power. This power is also called power transferred, but from the bioelectromagnetics point of view, the term “specific absorption rate” (SAR) is the preferred one. SAR is a quantity properly averaged in time and space and expressed in watts per kilogram (W/kg).
The most important of these parameters is the frequency. EM radiation can excite translational and vibrational modes and generate heat. The intensity of the beam is also a factor in determining how much energy is absorbed. The larger the intensity of the beam, the more energy is available to be transferred. Also, the longer the duration of exposure, the more energy will be absorbed. The rate of change of the energy transferred to the material is called the absorbed power. This power is also called power transferred, but from the bioelectromagnetics point of view, the term “specific absorption rate” (SAR) is the preferred one.
Indd 31 9/30/2007 2:18:35 PM 32 Bioeffects and Therapeutic Applications of Electromagnetic Energy components. This phenomenon, which is called thermal noise (also known as Johnson noise), depends on the resistance of the element, the temperature, and the frequency range considered. 3 Shot Noise Biological processes experience not only thermal noise but also shot noise. ). 4 Endogenous Fields The normal activity of the nerves and muscles in the body produces currents that extend outside the specific organ concerned, and it is reasonable to assume that the currents induced by external fields would have to be greater than these endogenous currents, as well as greater than the thermal noise, to produce biologically relevant effects.