12 Jun '11, 8pm

Bio-Engineers Create First 'Living Laser' from Green-Glowing Cell

Bio-Engineers Create First 'Living Laser' from Green-Glowing Cell

In an exciting first for both Bioengineering and Biomedicine, researchers Malte C. Gather & Seok Hyun Yun at the Wellman Center for Photomedicine* have successfully induced living cells to generate nano-second laser pulses in a specially designed micro-cavity. While nano-scale (that’s billionths of a meter) lasers have been previously developed and demonstrated, these earlier lasers relied on some external source as a gain medium . This new ‘living laser’ exploits a now quite common biological mechanism: Green Fluorescent Protein (GFP). They are the first, self-contained “biological systems” to be used to generate laser light. According to the on-line abstract, the researchers wanted to “show that fluorescent proteins in cells are a viable gain medium for optical amplification…[and]…demonstrate in vitro protein lasers using recombinant GFP solutions and introduce a laser b...

Full article: http://planetsave.com/2011/06/12/bio-engineers-create-fir...

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