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Q: ÈçºÎ´ÓÌǵ°°×ÖÐÊÍ·ÅN-¶àÌÇÌÇÁ´? A: ĿǰÆÕ±é²ÉÓÃ2ÖÖ¼¼ÊõÓÃÓÚÊÍ·ÅÌǵ°°×N-¶àÌÇÌÇÁ´ÓÃÓÚÌÇ»ù»¯·ÖÎö - ë½âºÍÄÚÇÐÌÇÜÕø´¦Àí¡£¡¶ÌÇ»ù»¯·ÖÎöÖ¸ÄÏ¡·º¸ÇÁËһЩÔÚÑ¡ÔñÕâЩÊÍ·Å·½·¨Ê±µÄ×¢ÒâÊÂÏî¡£ Q: ÈçºÎÖÆÖ¹ÍÙÒºËá´ÓÌÇÁ´ÉϵôÂä? A: ÍÙÒºËáÊǼ¬ÊÖµÄÊÂÇé¡£¸ù¾ÝÎÒÃǵľÑ飬¶àÌÇÑùÆ·´¿¶ÈÔ½¸ß£¬ÍÙÒºËá²ÐÓà¾ÍÔ½ÈÝÒ×µôÂä¡£ËäÈ»ÓÐЩÁéÃôµÄÔ¤·À´ëÊ©£¬±ÈÈ磺 ±ÜÃâpHËáÐÔºÍÉýΡ£¾¡¿ÉÄܱ£³ÖpHÔÚ6-9·¶Î§£¬Î¶ȵÍÓÚ30¡ãC¡£ ÔÚʹÓÃÀëÐÄ»òÐýתÕô·¢¸ÉÔïÌÇÁ´ÑùƷʱӦСÐIJÙ×÷£¬±£³ÖζȵÍÓÚ25¡ãC¡£Àä¶³¸ÉÔï(¶³¸É)¶ÔÓÚ·ÀÖ¹ÍÙÒºËá½µ½â¸üΪÓÐЧ£¬µ«´æÔÚ¸ü´óµÄ·çÏÕÊÇ£¬ÔÚÕæ¿Õ·Å¿Õʱ£¬¿ÉÄܵ¼ÖÂÑùÆ·È«²¿Ëðʧ¡£ Q: ¶ÔÓÚ¶àÌÇÌÇÁ´·ÖÎö¶øÑÔ£¬×î¼ÑµÄÓ«¹â±ê¼ÇÊÇʲô? A: ϱíչʾÁËÔÚʹÓÃHPLC, CE ºÍMS½øÐÐÌÇ»ù»¯·ÖÎöʱ,×î³£ÓõÄÓ«¹â±ê¼Ç: ¶àÌÇÓ«¹â±ê¼Ç Ö÷ÒªÓ¦Óà ӫ¹â²¨³¤ºÍ³£¹æ·ÖÎö·½·¨ 2-AB (2-°±»ù±½¼×õ£°·) ʹÓÃHPLC/MS·ÖÎö¹ÑÌÇ ¦«ex = 320 - 360 nm, ¦«em = 420 nm HPLC (amide, C18, AEX, HPAE-FD, PGC), ES-MS, MALDI-MS 2-AA (2-°±»ù±½¼×Ëá) ʹÓÃHPLC/MS·ÖÎö¹ÑÌÇ Ê¹ÓÃHPLC·ÖÎöµ¥ÌÇ ¦«ex = 320 - 360 nm, ¦«em = 420 nm Oligosaccharides: HPLC (amide, C18, AEX, PGC), ES-MS, MALDI-MS Monosaccharides: HPLC (C18) APTS (8-°±»ùÜÅ-1,3,6-Èý»ÇËá) ʹÓÃCE·ÖÎö¹ÑÌÇ ¦«ex = 455 - 488 nm, ¦«em = 510 - 520 nm CE AA-Ac (3-(ÒÒõ£°±»ù)-6-°±»ùß¹à¤) ʹÓÃHPLC·ÖÎö¹ÑÌÇ ¦«ex = 382, 445 nm, ¦«em = 525 nm HPLC (amide, C18, AEX), ES-MS, MALDI-MS DMB (1,2-¶þ°±»ù-4,5-ÑǼ׶þÑõ»ù±½) ʹÓÃHPLC·ÖÎöÈËÒÔ¼°·ÇÈËÀàÍÙÒºËá ¦«ex = 373 nm, ¦«em = 448 nm HPLC (C18) ¹Ø¼ü´Ê: AEX = ÒõÀë×Ó½»»», HPAE-FD = Ç¿¼îÐÔÒõÀë×Ó½»»»´øÓ«¹â¼ì²â, PGC = ¶à¿×ʯīϩ, HPLD = ¸ßЧҺÏàÉ«Æ×, MS = ÖÊÆ× , MALDI = »ùÖʸ¨Öú¼¤¹â½âÎü¸½ÖÊÆ×, ES = µçÅçÎíÖÊÆ×, CE = ÑôÀë×Ó½»»»¸ßЧҺÏàÉ«Æ× |
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