Fingerprint Test on Chemical Compounds Áö¹® °Ë»ç È­ÇÕ¹°¿¡

Are you a fan of CSI? ÀÚ³×´Â CSIÀÇ ÆÒÀ̼¼¿ä? Are you intrigued by the sophisticated and technologically advanced devices which help David Caruso and his team to nail the criminals? ´ç½ÅÀº Á¤±³ÇÑÇÏ¿© Èï¹Ì¸¦ ±â¼úÀûÀ¸·Î ¸øÀ» µ¥À̺ñµå Ä«·ç¼Ò´Â ¹üÁËÀÚ¿Í ±×ÀÇ ÆÀ¿¡ µµ¿òÀÌ µð¹ÙÀ̽º´Â °í±ÞÀΰ¡¿ä? The latest fingerprint test has helped give medical examiners and law enforcement officers a boost. ÃֽŠÀÇÇÐ Á¶»ç°ü Áö¹® °Ë»ç¿Í »ç¹ý °æÂû°üÀ» ³ôÀÏ ¼öÀÖ´Ù. While fingerprints have long been used to identify criminals, scientists have now taken the technology a step further. Áö¹®À» ¿À·¡Çϸ鼭 ¹üÁËÀÚ¸¦ ½Äº°ÇÏ´Â µ¥ »ç¿ëµÇ¾úÀ» Áö, ÀÌÁ¦ °úÇÐÀÚµéÀºÀÌ ±â¼úÀ» ÇÑ ´Ü°è ´õÇÏ´Ù. The latest fingerprint test, desorption electospray ionization (Desi), discovered by R Graham Cooks, a professor of chemistry at Purdue University, and his colleagues, can detect what the fingers have handled such as drugs, explosives or poisons. ÃֽŠÁö¹® °Ë»ç, desorption electospray ionization (µðÀÚÀÎ) °øÈ­ ±×·¹À̾ö Á¶¸®»ç, ÆÛµà ´ëÇб³ È­Çаú ±³¼ö·Î, ±×¸®°í ±×ÀÇ µ¿·á¿¡ ÀÇÇØ ¼Õ°¡¶ôÀÌ ¸¶¾à, Æø¹ß¹°À̳ª µ¶±Ø¹° µîÀÇ Ã³¸®µµ °¨ÁöÇÒ ¼öÀÖ½À´Ï´Ù ¹«¾ùÀ» ¹ß°ßÇß´Ù. With just a tiny bit of electrically charged liquid sprayed on the fingerprint, scientists can detect compounds from the fingerprint molecules with a mass spectrometer. Àü±â ÃæÀüÀ¸·Î Á¶±Ý ¾×üÀÇ Áö¹®¿¡ »Ñ·Á³õ, °úÇÐÀÚµéÀº Áú·® ºÐ¼®±â¿Í ÇÔ²² Áö¹® È­ÇÕ¹° ºÐÀÚ¿¡¼­ °¨ÁöÇÒ ¼öÀÖ½À´Ï´Ù.

The technology is not only applicable for identifying the compounds found on fingerprints, it actually reveals the evidence of the compound - arsenic or cocaine - in the shape of a person¡¯s fingerprint. ÀÌ ±â¼úÀº ¿ÀÁ÷ È­ÇÕ¹°À» ¹ß°ß ½Äº°À» À§ÇØ Áö¹®¿¡ Àû¿ëµÇÁö ¾Ê½À´Ï´Ù, »ç½Ç ±× È­ÇÕ¹°ÀÇ Áõ°Å - ºñ¼ÒÀ̳ª ÄÚÄ«ÀÎ - ÇÑ »ç¶÷ÀÇ Áö¹®ÀÇ ¸ð¾çÀ» º¸¿©ÁØ´Ù. The technology therefore provides damning evidence to incriminate criminals. Á˰¡ ¹üÁËÀÚµéÀÌ Áõ°Å¸¦ ¿åÇÏ°í µû¶ó¼­ ±â¼úÀ» Á¦°øÇÕ´Ï´Ù. Fingerprints were tested from different surfaces including plastic, wood, paper and glass. ´Ù¸¥ Áö¹®¿¡¼­ Å×½ºÆ®Çß´Ù ÇÃ¶ó½ºÆ½, ³ª¹«, Á¾ÀÌ, À¯¸® µî Ç¥¸é. Even smudged fingerprints or many sets of overlapping prints were successfully isolated using this technique. ½ÉÁö¾î Áö¹®À̳ª Áߺ¹µÇ´Â Áö¹®ÀÇ ¸¹Àº ¼¼Æ® ¾ó·èÀÌ ±â¹ýÀ» »ç¿ëÇÏ¿© ¼º°øÀûÀ¸·Î °í¸³µÆ´Ù.

Prosolia Inc., a small company in Indianapolis, has licensed the Desi technology from Purdue and is already selling such analyzers as add-ons to large laboratory mass spectrometers, which cost several hundred thousand dollars each. Inc. Prosolia, Àεð¾Ö³ª Æú¸®½º¿¡ÀÖ´Â ÀÛÀº ȸ»ç ¹× µðÀÚÀÎ ±â¼úÀ» ¶óÀ̼±½ºÇß´Ù°í ÆÛµà¿¡¼­ ÀÌ¹Ì ÀÌ·¯ÇÑ ºÐ¼®±â·Î Ãß°¡ - ±â´ÉÀº ¸î ½Ê¸¸ ´Þ·¯ÀÇ ºñ¿ëÀÌ Å©°í °¢ ½ÇÇè½ÇÀº Áú·® ºÐ¼®±â¸¦ ÆÇ¸ÅÇϰíÀÖ´Ù. The price is too expensive for many crime laboratories although smaller, cheaper and portable versions are expected to be commercially available soon. °¡°ÝÀÌ ³Ê¹« ºñ½Î´Ù´Â ¿©·¯ °¡Áö°¡ ÀÖÁö¸¸ ¹üÁË ¿¬±¸¼Ò¿¡ °¡Àå ÀûÇÕÇϰí, Àú·ÅÇÏ°í ¼ÒÇüÀÇ ÈÞ´ë¿ë ¹öÀüÀ» »ó¾÷ÀûÀ¸·Î ÀÌ¿ëÇÒ ¼öÀÖÀ» °ÍÀ¸·Î ¿¹»óµÈ´Ù. The Desi technology is being used in crime investigation scenes although its original purpose is to detect cancer cells in the medical field. ºñ·Ï ¿ø·¡ÀÇ ¸ñÀûÀº ÀÇ·á ÇöÀå¿¡¼­ ¾Ï¼¼Æ÷¸¦ °¨ÁöµÇ´Â µðÀÚÀÎ ±â¼úÀÌ ¹üÁË ¼ö»ç ÇöÀå¿¡¼­ »ç¿ëµÇ°íÀÖ´Ù.

IMPORTANT : This is a machine translated page which is provided "as is" without warranty. Áß¿ä :ÀÌ ±â°è´Â "º¸Áõµµ¾øÀÌÀÖ´Â ±×´ë·Î"Á¦°øµË´Ï´Ù ÆäÀÌÁö¸¦ ¹ø¿ªÇß´Ù. Machine translation may be difficult to understand. ±â°è ¹ø¿ªÀ» ÀÌÇØÇϱ⠾î·Á¿ï ¼öÀÖ½À´Ï´Ù. Please refer to À» ÂüÁ¶ÇϽñ⠹ٶø´Ï´Ù original English article ¿ø·¡ ¿µ¾î ¹®¼­ whenever possible. ¾ðÁ¦µç °¡´ÉÇÕ´Ï´Ù.

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