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Thermal Signatures Determine Time of Death

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During decomposition microorganisms emit different thermal signatures, which can be detected by thermographic imaging. Thermography detects infrared radiation in the electromagnetic spectrum, and when used on decomposing bodies, the thermal growth signatures of microorganisms can be detected. According to a preliminary study released by Isabel Fernández Corcobado, professor at the Institute of Legal Medicine of Granada, and her colleagues at the University of Granada, these signatures more accurately determine time of death. This is the results of infrared thermography of a...Read full article

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    Published: May 2009
    Glossary
    electromagnetic spectrum
    The total range of wavelengths, extending from the shortest to the longest wavelength or conversely, that can be generated physically. This range of electromagnetic wavelengths extends practically from zero to infinity and includes the visible portion of the spectrum known as light.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    thermography
    Thermography is a technique that involves the use of an infrared imaging device, called a thermal camera or infrared camera, to detect and visualize the infrared radiation emitted by objects. This technology allows for the creation of thermographic images, also known as thermograms, where variations in temperature are represented by different colors or shades. The basic principles of thermography are as follows: Infrared radiation emission: All objects with a temperature above absolute zero...
    Biophotonicscadaverous decompositioncriminologydetermining time of deathelectromagnetic spectrumEulogio Bedmar GómezFlir Systemsforensic datinginfrared camerasinfrared radiationInstitute of Legal Medicine of GranadaIsabel Fernández CorcobadomicroorganismsMiguel Botella Lópezphotonicsputrefactionthermal signaturesthermographic imagingthermographyUniversity of GrenadaWeb Exclusives

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