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LED tattoo
A light-emitting diode tattoo is a type of body modification similar to a tattoo, but specifically involves implantation of technologically based materials versus traditional ink injection into the layers of the skin.〔Murad, A. (2009, Dec 19). Microtrends. The Times Retrieved from http://ezproxy.library.usyd.edu.au/login?url=http://search.proquest.com/docview/320328597?accountid=14757〕 LED tattoos are accomplished by a combination of silicon-silk technology and a miniature lighting device known as a light-emitting diode. While there is potential for many applications in the medical, commercial and personal domains, the technology is still in the development stage. Once the ability is attained to condense the parts of a LED to a small enough level, it will be possible for the tattoos to be implanted in humans.
==Technological limitations==
Current medical devices are limited by their isolation from the body and their placement on rigid silicon.〔(Quick, Darren. "Implantable Silicon-Silk electronics could mean LED tattoos." ''Gizmag'' 11 Nov 2009. Web )〕 Current devices also contain gold and titanium which are required for electrical connections. Both gold and titanium are bio-compatible which means that they will not be rejected by the body as a foreign substance. However, biocompatibility is not as preferable as biodegradable is due to the fact that the latter does not leave behind any unnecessary materials; so researchers are working on biodegradable contacts to eliminate all remnants but the silicon. The current form of the LED tattoo has been implanted on mice without harm.〔(Zuras, Matthew "Philip's Interactive LED Tattoos Could Be the Future of Body Art" ''switched.com'' Nov. 21 2009 )〕 LED tattoos of today are limited to monochromatic display. Current research on silicon-silk technology is being conducted at the University of Pennsylvania's Engineering Department. Additionally, the Royal Philips Electronics of the Netherlands has shown commercial interest in the research of silicon silk technology, speficifically LED tattoos as a means to extend the digital experience, or interactivity with the digital product.〔("Tattoo You" ''h+ Magazine'' 17 Nov 2009 )
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抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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