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| Here comes the first living laser Posted: 14 Jun 2011 03:04 AM PDT With the help of researchers and biologists from the Harvard Medical School and Massachusetts General Hospital, the world’s first living laser has been developed. The laser, which emits a green light, has been obtained by coaxing single cells that includes special proteins that act as an optical amplifier. The figure below shows the microscopic image of a single cell living laser. Living Laser The protein is called GFP (Green Fluorescent Protein), and is said to have a distinct green glow. The GFP was first extracted from a jellyfish in the early 1960′s. After numerous researches on the protein, it was found that GFP was very useful in biomedical imaging, especially as a visual marker to trace the gene expression in living things. For their extensive studies about GFP, three pioneers were awarded the Nobel Prize as well in 2008. These studies have led to a much wider application of GFP in the field of bio-photonics. This led to the discovery about the living laser and also its information carrying capacity. The only problem is that after its discovery, its uses and applications have not yet been figured out. As it has paved way for a completely different and new... |
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