United States scientists recently invented a new system, and in the supermarket receipts with the barcode system similar to quickly identify a substance may contain the thousand different ingredients. Scientists said that testimony of such a system would be able to develop the so-called "DNA" barcode, gene, pathogens, or drugs, and other chemical substances to be detected.
From Cornell University scientists said, this new technology called "nano-barcode", mainly using ultraviolet on being detected substances in different color illumination for fluorescence analysis, then the analysis by computer on their classification results. "At present most other biological molecules for testing methods require expensive equipment, but our technology is built on the cheap and easy for handheld devices. "Scientist Dan Luo said.
According to reports, the scientists subtly three short chain DNA synthesis to connect each other a "Y" type of structure. After using many of these "Y" type structure "braided" into a tree-like branching structure is like. "For those antibodies or molecule, they combine in this end of the tree branch structure, it became necessary to detect target DNA chain found. ”
It is reported that scientists use new system to the test has detected that the E-Koli, Anthrax, Tularemia and bacteria as well as the Ebola virus, such as SARS. This result was published in June of the natural biological "magazine.
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