²é¿´: 729  |  »Ø¸´: 1
¡¾ÐüÉͽð±Ò¡¿»Ø´ð±¾ÌûÎÊÌ⣬×÷Õßrjui6982½«ÔùËÍÄú 10 ¸ö½ð±Ò

rjui6982

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

» ²ÂÄãϲ»¶

ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

egbb3458

½ð³æ (СÓÐÃûÆø)

1 ÒýÑÔ
¡¡¡¡ÎøÊÇÒ»ÖÖÈËÌ屨ÐèµÄ΢Á¿ÔªËØ£¬ÒÔÎøÃ¸¡¢ Îøµ°°×µÄÐÎʽ¹ã·º´æÔÚÓÚÉúÎïÌåÄÚ£¬ÆäÖк¬ÓÐÎø´ú°ëë×°±ËáºÍÎø´úµ°°±Ëá²Ð»ùµÄµ°°×ÖÊÎªÎøµ°°×[1]¡£Îø°ëë×°±ËáÊdzÐÔØÎøÔªËØ×îÖ÷ÒªµÄ·½Ê½£¬Îø°ëë×°±ËáÒ²ÒòÆäÖØÒªÐÔ±»³Æ×÷µÚ21¸ö°±»ùËᣬÔÚ²¸È鶯ÎïÌåÄÚ²ÎÓëµ°°××é³É£¬ËùÒÔÕâÖÖÇé¿öÏÂÎøµ°°×Ò²¾ÍÊǺ¬ÓÐÎø°ëë×°±ËáµÄµ°°×¡£´ËÍâ£¬ÎøÒÔÎø¼×Áò°±Ëá»òÎøµ°°±ËáΪÖ÷Òª½áºÏ̬´æÔÚÓÚÁ¸Ê³ÖС£ËäÈ»Îø¼×Áò°±Ëá²ÎÈëµ°°×ÖʺϳɿÉÄÜÊÇËæ»ú¹ý³Ì£¬µ«ÊǺ¬ÓÐÎø¼×Áò°±ËáµÄµ°°×Ò²³ÆÎªÎøµ°°×¡£Ô½À´Ô½¶àµÄÖ¤¾ÝÏÔʾֲÎïÎøµ°°×Öк¬ÓÐÎøµ°°±ËáºÍÎø´ú°ëë×°±Ëá[2]¡£×î½ü£¬ÍõÎÀÕæµÈ[3£¬4]´Ó´óËâÖгõ²½·ÖÀë³öÎøµ°°×£¬Ö½É«Æ×֤ʵµ°°×Öк¬ÓÐÎøµ°°±ËáºÍÎø°ëë×°±Ëá¡£
¡¡¡¡¹úÍâÒÑÓÐÊýƪÎÄÕÂ×ÛÊöÁËÎøÐÎ̬·ÖÎöµÄÏà¹Ø·½·¨[5£¬6]£¬ÁªÓü¼Êõ±»ÈÏΪÊǽøÐл¯Ñ§ÐÎ̬·ÖÎö£¨chemical speciation£©µÄÓÐЧÊֶΣ¬ÆäÖиßЧҺÏàÉ«Æ×£¨HPLC£©Óëµç¸ÐñîºÏµÈÀë×ÓÖÊÆ×£¨ICP/MS£©ÁªÓÃ×÷ΪһÖÖ¸ßÁéÃôµÄÔªËØÐÎ̬·ÖÎö·½·¨µÃµ½¹ã·ºµÄÓ¦ÓÃ[7¡«10]¡£±¾Ñо¿½¨Á¢ÁË·ÖÀëºÍ·ÖÎöÎøµ°°×µÄHPLC-ICP/MSÁªÓõķ½·¨£¬²¢³É¹¦µØÓ¦ÓÃÓÚ²»Í¬ÀàÐÍʵ¼ÊÑùÆ·Îøµ°°×ÖÐÎø´ú°ëë×°±ËáºÍÎø´úµ°°±ËáµÄÑо¿¡£
¡¡¡¡ÓÉÓÚÎø´ú°ëë×°±ËáºÍÎø´úµ°°±ËáΪÃô¸Ð°±»ùËᣬÆäÖаëë×°±Ëá²Ð»ùµÄ²àÁ´Áð»ù²»Îȶ¨£»µ°°±ËáµÄº¬Á¿ÍùÍù½ÏµÍ£¬ÇÒÓÃHCLË®½âÊ±ÌØ±ðÊÇÓÐ̼Ç⻯ºÏÎï´æÔÚʱºÜÈÝÒ×Ôâµ½ÆÆ»µ£¬ËùÒԲⶨ²»ÄÜÓÃÆÕͨµÄË®½â·½·¨½øÐÐ[11]¡£±¾Ñо¿²ÉÓÃÖÐÐÔµ°°×øø½â£¬ÖÐÐÔµ°°×øÊÇÓɿݲÝÑ¿æß¸Ë¾ú¾­·¢½ÍÌáÈ¡¶øµÃµÄ£¬ÊôÓÚÒ»ÖÖÄÚÇÐø£¬¿ÉÓÃÓÚ¸÷ÖÖµ°°×ÖÊË®½â´¦Àí¡£ÔÚÒ»¶¨Î¶ȡ¢PHֵϣ¬±¾ÀàøÄܽ«´ó·Ö×Óµ°°×ÖÊË®½âΪ°±»ùËáµÈ²úÎï¡£¿É¹ã·ºÓ¦ÓÃÓÚ¶¯Ö²Îïµ°°×µÄË®½â£¬ÖÆÈ¡Éú²ú¸ß¼¶µ÷ζƷºÍÊ³Æ·ÓªÑøÇ¿»¯¼ÁµÄHAPºÍHVP¡£
¡¡¡¡Àë×Ó½»»»É«Æ×°üÀ¨ÒõÀë×Ó½»»»É«Æ×ºÍÑôÀë×Ó½»»»É«Æ×£¬²»½ö¿ÉÒÔ·ÖÀëÎÞ»úÀë×Ó£¬¶øÇÒ¿ÉÒÔ·ÖÀëÈκÎÒ×½âÀëµÄÎïÖÊ[12]¡£ÒõÀë×ÓºÍÑôÀë×Ó½»»»É«Æ×¶¼³É¹¦µÄÓ¦ÓÃÓÚ·ÖÎöÉúÎïÑùÆ·ÖеÄÎøÐÎ̬[13£¬14]¡£BirdµÈ±È½ÏÁËÀë×Ó½»»»É«Æ×¡¢·´ÏàÉ«Æ×¡¢·´ÏàÀë×Ó¶ÔÉ«Æ×ÈýÖÖ²»Í¬·ÖÀë·½·¨·ÖÀë¸»Îø»¯ºÏÎïµÄÓÅȱµã[14]¡£ ¼´Ê¹ÒõÀë×Ó½»»»É«Æ×·ÖÀëÄÜÁ¦Ó¦Óò»ÊǺܹ㣬µ«ÊÇËü¿ÉÒÔ·ÖÀëËÄÁù¼ÛÎø£¬¶øÕâµã·´ÏàÉ«Æ×ºÍ·´ÏàÀë×Ó¶ÔÉ«Æ×ÊÇ×ö²»µ½µÄ[15]¡£
¡¡¡¡2 ʵÑ鲿·Ö
¡¡¡¡2.1 ²ÄÁÏ
¡¡¡¡2.1.1 ÒÇÆ÷ÓëºÄ²Ä
¡¡¡¡Varian820-MSµÈÀë×ÓÌåÖÊÆ×ÒÇ£¨ÃÀ¹úVarian¹«Ë¾£©£»Agilent- 1200·Ç½ðÊôÁ÷·±Ã£»É«Æ×ÖùΪHamilton PRP-Xl00£¨250 mm¡Á4 mm£©·ÖÎöÖùºÍÔ¤Öù£¨ÃÀ¹ú°²½ÝÂ׿Ƽ¼ÓÐÏÞ¹«Ë¾£©£»Ë®Ô¡ºãÎÂÕðµ´Æ÷SHZ88A£¨³£ÖÝŵ»ùÒÇÆ÷ÓÐÏÞ¹«Ë¾£©£»Í¨ÓÃÐ͸ßËÙÀä¶³ÀëÐÄ»úZ383K£¨µÂ¹úHermle£©£»ÀëÐij¬Â˹Ü3KDa£¨ÃÀ¹úAmicon Ultra£©¡£
¡¡¡¡2.1.2ÊÔ¼Á
¡¡¡¡ÑÇÎøËáÄÆ£¨Se4+£©¡¢ÎøËáÄÆ£¨Se6+£©Îª¸ß´¿ÊÔ¼Á£¨ÃÀ¹ú Inorganic Ventures£©Îøµ°°×Îø´ú°ëë×°±ËᣨSeCys£©¡¢Îø´úµ°°±ËᣨSeMet£©Îª¸ß´¿ÊÔ¼Á£¨J&K Scientific£©£» Òȵ°°×ø£»µ°°×øK£¨µÂ¹úCalbiochem£©£»Á´Ã¹µ°°×ø£¨µÂ¹úSarva£©£»µ°°×ø£¨XIV£© £¨µÂ¹úSigma£©£»³¬´¿Ë®ÓÉThermo Fisher Barnstead ʵÑéÊÒË®´¿»¯ÏµÍ³£¨ÃÀ¹úThermo Scientific£©ÖƱ¸¡£ ¡¡¡¡3 ÌÖÂÛ£º
¡¡¡¡ÓÉÓÚÎøÐÎ̬µÄ²»Îȶ¨ÐÔ£¬ÑùÆ·µÄÌáÈ¡¹ý³Ì¾¡Á¿±£³ÖÎøÐÎ̬µÄÔ­Ê¼ÌØÐÔ²»±ä£¬ ±È½ö½ö¼ì²âÎøÔªËØ¸´Ôӵö࣬ҲÊÇÖ²ÎïÎøÐÎ̬·ÖÎö׼ȷÐԵĹؼü[17]¡£ÔÚС·Ö×ÓÎøÐÎ̬·½Ã棬Ö÷Òª°üÀ¨Ë®ÌáÈ¡·¨¡¢ËáÌáÈ¡·¨ºÍøÌáÈ¡·¨[18]¡£Ë®ÌáÈ¡¶ÔһЩ·Ç½áºÏµ°°×ÐÎʽµÄÎøÐÎ̬½ÏÊʺϣ¬ÈçÎø-¼×»ùÎø´ú°ëë×°±Ëá¡¢¦Ã-¹Èõ£»ù-Îø¼×»ùÎø´ú°ëë×°±Ëᣬ µ«¶ÔÒÔµ°°×ÐÎʽ½áºÏµÄÎø£¬ »ØÊÕÂʽϲËáÌáÈ¡·¨ÓкܸߵĻØÊÕÂÊ£¬ µ«ËáÒ×Ê¹ÎøÐÎ̬·¢Éúת±ä£» øÌáÈ¡·¨µÄÓ¦ÓÃ×î¹ã£¬³£ÓõÄøÓе°°×øK£¬µ°°×ø XIV£¬Òȵ°°×ø£¬Î¸µ°°×øºÍÁ´Ã¹µ°°×øµÈ¡£Ã¸ÌáÈ¡·¨Í¨³£ÔÚκ͵ÄÌõ¼þÏ£¨37¡æ£¬ pH 7.0£©½øÐУ¬¿ÉÒÔ¼õÉÙÎøÐÎ̬֮¼äÏ໥ת»¯£¬µ«´Ë·¨ÌáÈ¡µÄʱ¼ä½Ï³¤£¬ Ò»°ãÐè 24¡«48 h¡£Îª±£Ö¤½âÀëÍêÈ«£¬Ã¸»îÐÔ¶ÔÑùÆ·µÄÊÊÓÃÐÔÓëͨÓÃÐÔ£¬×îºóÑ¡¶¨ÔËÓõ°°×øK¡¢Á´µ°°×ø¡¢Òȵ°°×øÀ´½øÐÐø½â£¨¼ûͼ1£©¡£
¡¡¡¡ÓÉÓÚSeCys2¡¢SeCys¡¢SeMet µÈÎøµÄ»¯ºÏÎïËæ×Åp H ÖµµÄ¸Ä±ä»¯ºÏÎïÐÎ̬¿É³ÊÏÖÖÐÐÔ¡¢´øÕýµç»ò´ø¸ºµç£¬¿É¼ûÀë×Ó½»»»É«Æ×·ÖÀëģʽ±È½ÏÊʺÏÎøµ°°×ÐÎ̬µÄ·ÖÀ룬Àë×Ó½»»»É«Æ×ÊÇÐÎ̬·ÖÎö£¬µ°°×ÖÊ×éѧÖÐʹÓÃ×îΪ¹ã·ºµÄÉ«Æ×¼¼ÊõÖ®Ò»[19£¬20]£¬¾ßÓÐÖùÈÝÁ¿¸ß£¬·Ö±æÂʸߣ¬Ìõ¼þκͣ¬·ÖÀëºóÑùÆ·¿É±»Å¨ËõµÈÓŵ㣻·´ÏàÀë×Ó¶ÔÉ«Æ×²Ù×÷¼ò±ã¡¢ÖùЧ¸ß£¬¹ã·ºÓÃÓÚ¼«ÐÔµÄÔªËØÐÎ̬·ÖÀëÖС£¶ÔÎø´ú°±»ùËáÓÐÁ¼ºÃµÄ·ÖÀëЧ¹û£¬ÔÚ±¾Ñо¿ÖнÏÒ׿ØÖÆÇÒÓÐÃ÷ÏÔЧ¹ûµÄÊÇÁ÷¶¯ÏàµÄÐÔÖÊ¡£Òò´Ë¿¼Âǵ½Á÷¶¯Ïà¶ÔÑùÆ·µÄ»º³åÄÜÁ¦ËùÒÔ±¾Ñо¿¾ö¶¨Ê¹ÓÃ5mMµÄÄûÃÊËáï§¼Ó2%µÄ¼×´¼£¨pH4.9£©×÷ΪÁ÷¶¯Ïà¡£
¡¡¡¡½ÏÇ⻯ÎïÒ»Ô­×ÓÎüÊÕ¹âÆ×·¨¡¢Ó«¹â·Ö¹â¹â¶È·¨¡¢Ô­×ÓÎüÊÕ¹âÆ×·¨µÈ·½·¨ÕâÖÖ¼ì²â·½·¨Äܹ»¸ü¾«×¼µÄ¶ÔÎøµ°°×ÖÐÎø´ú°±»ùËá½øÐмì²â£¬¸ù¾Ýø½â²úÎïÔÚHPLC-ICP-MSÉ«Æ×ͼÖи÷·åµÄ±£Áôʱ¼äÀ´ÊµÏÖÎøµ°°×µÄ¶¨Á¿¼ì²â£¬¸Ã·½·¨µÄ½¨Á¢ÎÞÒÉÊǶÔʳƷ³É·Ö·ÖÎöºÍʳƷµÄ¿ª·¢ÀûÓþßÓÐÖØÒªÒâÒå¡£

×ªÔØ×Ô·ÖÎö²âÊÔ°Ù¿ÆÍø
2Â¥2021-07-22 09:49:55
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ rjui6982 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á 280·Ö +8 yyqqhh 2026-03-03 8/400 2026-03-03 11:59 by EBSD
[¿¼ÑÐ] 307Çóµ÷¼Á +6 wyyyqx 2026-03-01 6/300 2026-03-03 09:24 by 2235787770
[¿¼ÑÐ] ¡¾2026 ˶ʿµ÷¼Á¡¿¿ÎÌâ×é ÕÐÊÕµ÷¼ÁÉú +3 ¿¼Ñаæ°ô°ô 2026-03-02 5/250 2026-03-03 01:45 by kkky.
[¿¼ÑÐ] 282Çóµ÷¼Á +4 2103240126 2026-03-02 7/350 2026-03-02 23:02 by 2103240126
[¿¼ÑÐ] 285Çóµ÷¼Á +9 ÂúÍ·´óº¹µÄѧÉú 2026-02-28 9/450 2026-03-02 20:29 by hypershenger
[¿¼ÑÐ] »·¾³µ÷¼Á +4 chenhanheng 2026-03-02 4/200 2026-03-02 20:23 by hypershenger
[¿¼ÑÐ] »¯Ñ§£¬²ÄÁÏ£¬»·¾³ÀàÇóµ÷¼Á +7 ¿¼Ñаæ°ô°ô 2026-03-02 7/350 2026-03-02 19:56 by hypershenger
[¿¼ÑÐ] »¯¹¤270Çóµ÷¼Á +9 ʲôÃû×Öqwq 2026-03-02 9/450 2026-03-02 19:31 by caszguilin
[¿¼ÑÐ] 289Çóµ÷¼Á +8 yangæÃ 2026-03-02 9/450 2026-03-02 19:08 by zhukairuo
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +3 ºã˳×ÔÈ» 2026-03-02 3/150 2026-03-02 18:49 by L135790
[¿¼ÑÐ] һ־Ըɽ¶«´óѧ²ÄÁÏÓ뻯¹¤325Çóµ÷¼Á +5 °ë½ØµÄÊ«0927 2026-03-02 5/250 2026-03-02 18:37 by Ã÷ÁÁ9527
[¿¼ÑÐ] 291 Çóµ÷¼Á +3 »¯¹¤2026½ì±ÏÒµÉ 2026-03-02 3/150 2026-03-02 12:55 by houyaoxu
[¿¼ÑÐ] 292Çóµ÷¼Á +7 yhk_819 2026-02-28 7/350 2026-03-02 12:43 by Î޼ʵIJÝÔ­
[»ù½ðÉêÇë] ´Ë³É¹û²»Äܵ¼ÈëÔ­Òò£ºÔªÊý¾Ý±ØÌîÐÅÏ¢²»ÍêÕû£¬¿É ½øÐв¹³ä¡£ +4 Kittylucky 2026-03-02 5/250 2026-03-02 11:07 by jurkat.1640
[¿¼ÑÐ] µ÷¼Á +3 13853210211 2026-03-02 4/200 2026-03-02 10:16 by 13853210211
[¿¼ÑÐ] ²ÄÁÏÀàÇóµ÷¼Á +11 wana_kiko 2026-02-28 14/700 2026-03-02 08:46 by ´ÏÃ÷µÄ´óËÉÊó
[¿¼ÑÐ] 290Çóµ÷¼Á +9 ²ÄÁÏר˶µ÷¼Á£» 2026-02-28 11/550 2026-03-01 17:21 by sunny81
[¿¼ÑÐ] 0856²ÄÁÏÇóµ÷¼Á +4 ÂéÀ±öÏÓã 2026-02-28 4/200 2026-03-01 16:51 by caszguilin
[¿¼ÑÐ] 295¸´ÊÔµ÷¼Á +3 ¼òľChuFront 2026-03-01 3/150 2026-03-01 14:27 by zzxw520th
[ÂÛÎÄͶ¸å] ÇóÖúcoordination chemistry reviews µÄд×÷Ä£°å 10+3 ljplijiapeng 2026-02-27 4/200 2026-03-01 09:07 by babero
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û