[Desorption Electrospray Ionization]
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´ë±â »óÅ¿¡¼ÀÇ Á÷Á¢ ÀÌ¿ÂÈ
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Àüó¸® °úÁ¤À» °ÅÄ¡Áö ¾Ê°í ¹Ù·Î ½Ã·áºÐ¼® °¡´É |
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¸Å¿ì ºü¸¥ ½Ã°£ ³»¿¡ Á¤¼º ¹× Á¤·®ºÐ¼® °¡´É |
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½Ã·á ÀÚü ±×´ë·ÎÀÇ °íÀ¯ °¨µµ Á¦°ø |
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ÀÌ¿ÂÈ ¹üÀ§: 100 ~ 5,000Da |
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½Ã·áÀÇ °ø°£Àû ÀÌ¿ÂÈ ºÐÇØ´É: 50um ~ 2mm |
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Application : Tissue Imaging, Natural Product, Drug, Electronic Device, Polymer, Hydrocarbons, Intact Protein, Biopharmaceutics etc. |
DESI-MS´Â ½Ã·áÀüó¸® °úÁ¤ ¾øÀÌ ÀǾàÇ°À» Á÷Á¢ ºÐ¼®ÇÒ ¼ö ÀÖ´Â °í°¨µµ¿Í ¼±ÅüºÀÌ ÀÖ´Â ºÐ¼® ¹æ¹ýÀÌ´Ù. µû¶ó¼, ¾à¹° Å×½ºÆ®(ÀºÆóÁ¦)¸¦ ÇÏ´Â µµÁß¿¡ ½ºÅ×·ÎÀÌµå »ç¿ëÀ» ÀºÆóÇϱâ À§ÇØ »ç¿ëÇÑ ÀϹÝÀûÀÎ ÈÇй°ÁúµéÀ» °ËÃâÇϴµ¥ È°¿ëÇß´Ù. ÀºÆóÁ¦¿Í °°ÀÌ »ç¿ëµÇ´Â ´Ù¼¸ °¡ÁöÀÇ ÀϹÝÀûÀÎ ÀÌ´¢Á¦¸¦ ½ºÅ©¸®´× ¹× ºÐ¼®ÇÑ ³»¿ëÀ» ¸®Æ÷Æ® Çß´Ù.
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DESI-MS´Â Thermo»ç °í°¨µµ Áú·®ºÐ¼®±âÀÎ LCQ Fleet Ion TrapÀ» »ç¿ëÇؼ ºÐ¼®Çß´Ù.
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DESI ½ºÇÁ·¹ÀÌ ¿ë¸Å´Â 0.1% Formic Acid¸¦ ÷°¡ÇÑ 4:1ºñÀ²ÀÇ ACN:H2O¸¦ »ç¿ëÇß´Ù.
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¿ë¸ÅÀÇ ÀüÇϸ¦ ¶í ¹Ì¼¼¹°¹æ¿ïÀº »ùÇà ǥ¸éÀ» Á÷Á¢ÀûÀ¸·Î ºÐ»çÇÑ´Ù.
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Áß¼º½Ã·á´Â ÀÌÂ÷ ÀÌ¿ÂÀ¸·Î ¹æÃâµÇ¸é¼ Áú·®ºÐ¼®±â·Î ÁÖÀԵȴÙ.
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ÀÌ·¯ÇÑ ¿¬±¸´Â Prosolia, Inc.(Indianapolis,IN)ÀÇ OmnisprayTM¼Ò½º¸¦ ÀÌ¿ëÇß´Ù. |
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Amiloride, Bumetanide, Furosemide, Indapamide¿Í Triamterene´Â Analytical Standards¿¡¼ ±¸ÀÔÇß´Ù. |
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½Ã·á´Â ÇÕ¼ºµÈ Urine (SurineTM, Dyna-Tek Industries, Lenexa, KS)ÀÇ ´Ù¾çÇÑ ³óµµ¿¡ ½ºÆÄÀÌÅ©Çß´Ù. |
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Urine »ùÇÃÀº ºÐ¼® Àü¿¡ ½º¸çµé ¼ö ÀÖµµ·Ï 2ul ¶³¾î¶ß¸®°í ¸»¸° ÈÄ ºÐ¼®Çß´Ù. |
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