Friday, 24 Jul, 2009 Science
159
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Latest Invention: LED Light Bulbs that Makes Use of Salmon DNA

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Researchers from the University of Connecticut recently unveiled their latest invention, which is a long-lasting LED light bulb that makes use of salmon DNA.

Scientists added two different fluorescent colors to the DNA molecules, the dyes being spaced from each other at a distance ranging from 2 to 10 nanometers. After the colors were added, the DNA molecules are spun into nanofibers. The UV light that produces LED is then covered with DNA nanofibers.

David Walt, a chemistry professor at Tufts University, explained: "When UV light is shined on the material, one dye absorbs the energy and produces blue light. If the other dye molecule is at the right distance, it will absorb part of that blue-light energy and emit orange light." By changing the ratios of dyes, one can adjust the quality of light, for example turning cool white into warm white.

But just like all latest inventions, this one still requires more studying. Besides there is currently no information regarding how many lumens per watt the salmon DNA LEDs generate, which is why it is too early to say anything about longer life or improved light quality. More information is available here .

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67 votes

//11 Oct 17, 2010 12:10 PM | posted by: Suzie
y isnt it being used???
50 votes

//10 Aug 30, 2010 08:31 AM | posted by: ycar
,good invention .....but ....
62 votes

//9 Jul 27, 2010 10:26 AM | posted by: Hansen Darryl M. Vega
The inventions is good and useful...
48 votes

//8 Jul 09, 2010 05:00 PM | posted by: shane
we should protect all the living things around us
50 votes

//7 Jul 08, 2010 02:38 AM | posted by: AMBOT
is the DNA of salmon fish the only thing that can be used?????
56 votes

//6 Jun 24, 2010 07:32 PM | posted by: Unknown
this invention is good.....................
55 votes

//5 May 04, 2010 04:54 PM | posted by: kudrrat
good. but draw backs schould be overcomed.
54 votes

//4 Mar 10, 2010 10:58 AM | posted by: smith [InfoTOT]
it's a very good invention,but is it harmful for the life of the salmon fish?
51 votes

//3 Dec 08, 2009 01:40 PM | posted by: sivaji
it's very good
65 votes

//2 Sep 23, 2009 02:35 PM | posted by: hudas
why ders no usge?!!!!!
58 votes

//1 Sep 08, 2009 04:52 PM | posted by: sarah
sure

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