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¡¡¿Þ1¤Ë°ìÈÌŪ¤Ë¥Õ¥é¡¼¥ì¥óʬΥ¤ËÍѤ¤¤é¤ì¤Æ¤¤¤ë2¼ïÎà¤Î¸ÇÄêÁê¡ÊBuckyprep, 5PBB¡Ë¤ËÂФ¹¤ë14¼ïÎà¤Î¥é¥ó¥¿¥Î¥¤¥É¤Î¥é¥¸¥ª¥¯¥í¥Þ¥È¥°¥é¥Õ¤ò¼¨¤¹¡£Sm, Eu, Yb, Tm¤Î4¼ïÎà¤Î¸µÁǤ¬Â¾¤Î¸µÁǤÈÂ礭¤¯°Û¤Ê¤ëÍÏÎ¥µóÆ°¤ò¼¨¤·¤Æ¤¤¤ë¤³¤È¡¢·Ú¤¤¥é¥ó¥¿¥Î¥¤¥É¤È½Å¤¤¥é¥ó¥¿¥Î¥¤¥É¤Ç¤ÏÀ¸À®Êª¤Ë°ã¤¤¤¬¤¢¤ë¤³¤È¤¬ÌÀ¤é¤«¤Ë¤Ê¤Ã¤¿¡£Á°¼Ô¡ÊSm, Eu, Yb, Tm¡Ë¤Ï¥¢¥ë¥«¥êÅÚÎà¶â°¤ÈÈó¾ï¤Ë»÷¤¿À¸À®Êª¤òºî¤ë¤³¤È¤¬Ê¬¤«¤ê¡¢¥Õ¥é¡¼¥ì¥óÆâ¤Ç¤Î»À²½¿ô¤¬+2¤Ç¤¢¤ë¤È¿äÄꤵ¤ì¤ë¡£¤½¤Î¾¤Î¸µÁǤϥé¥ó¥¿¥Î¥¤¥É¤Ç°ìÈÌŪ¤Ê+3¤Î»À²½¿ô¤ò»ý¤Ã¤Æ¤¤¤ë¤È¹Í¤¨¤é¤ì¤ë¡£¤Þ¤¿¡¢·Ú¤¤¥é¥ó¥¿¥Î¥¤¥É¤È½Å¤¤¥é¥ó¥¿¥Î¥¤¥É¤Ç¤ÎÀ¸À®Êª¤Î°ã¤¤¤Ï¥¤¥ª¥óȾ·Â¤Ë´Ø·¸¤·¤Æ¤¤¤ë¤È¹Í¤¨¤é¤ì¤ë¡£


¿Þ1¡¡ HPLC elution curves of lanthanoid metallofullerenes on (a) the Buckyprep column and (b) the 5PBB column.

¡¡Êü¼ÍÀ­Æ±°ÌÂΤòº®¹ç¤·¤¿¥°¥é¥Õ¥¡¥¤¥È¤òÍѤ¤¤Æ¥¢¡¼¥¯Ë¡¤Ç¥Õ¥é¡¼¥ì¥ó¤òÀ½Â¤¤·¡¢¤É¤Î¤è¤¦¤Ê¸µÁǤ¬¥Õ¥é¡¼¥ì¥ó¤ËÆâÊñ¤µ¤ì¤ä¤¹¤¤¤«¤¬Ä´¤Ù¤é¤ì¤¿¡Ê¸¶ÏÀʸ3¡Ë¡£Íý²½³Ø¸¦µæ½ê¤Î¥ê¥ó¥°¥µ¥¤¥¯¥í¥È¥í¥ó¤Ç²Ã®¤µ¤ì¤¿¹â¥¨¥Í¥ë¥®¡¼¤Î½Å¥¤¥ª¥ó¤ò¶â¤Ë¾È¼Í¤·¤ÆÀ½Â¤¤·¤¿¥Þ¥ë¥Á¥È¥ì¡¼¥µ¡¼¡Ê³ËÇ˺ÕÈ¿±þ¤Ë¤è¤Ã¤ÆÀ¸À®¤¹¤ëÍÍ¡¹¤ÊÊü¼ÍÀ­Æ±°ÌÂΤò´Þ¤à¤â¤Î¤ÎÁí¾Î¡Ë¤ò¥¢¡¼¥¯ÊüÅŤÎÍÛ¶ËÍѤÎúÁÇËÀ¤Ë¿»Æ©¤µ¤»¡¢HeÊ·°Ïµ¤²¼¤Ç¥¢¡¼¥¯ÊüÅŤò¹Ô¤Ã¤¿¡£À¸À®¤·¤¿¥¹¥¹¾õ¤Îʪ(soot)¤ò²ó¼ý¤·¡¢Æóβ²½ÃºÁǤÇÃê½Ð¤·¤¿¡£¼¡¤Ë¡¢¤³¤ÎÃê½Ðʪ(crude)¤ò5PBB¸ÇÄêÁê¤È¤¹¤ë¹â®±ÕÂÎ¥¯¥í¥Þ¥È¥°¥é¥Õ¥£¡¼¡ÊHPLC¡Ë¤ÇʬΥ¤·¡¢ÍÏÎ¥±Õ¤ÎÊü¼Íǽ¤ò¬Äꤷ¤¿¡£
¡¡¿Þ£²¤Ë¥¹¥¹¤«¤éÆóβ²½ÃºÁǤËÃê½Ð¤µ¤ì¤¿Êü¼Íǽ¤Î³ä¹ç¡Êcrude/soot¡Ë¤ò¡ü¤Ç¼¨¤·¤¿¡£¤Þ¤¿¡¢ÍÍ¡¹¤Ê¸µÁǤòÆâÊñ¤·¤¿¥Õ¥é¡¼¥ì¥ó¤ò´Þ¤à¥Õ¥é¥¯¥·¥ç¥ó¤Ë´Þ¤Þ¤ì¤ëÊü¼Íǽ¤Î¥¹¥¹Ãæ¤ÎÊü¼Íǽ¤ËÂФ¹¤ë³ä¹ç¤ò¡û¤Ç¼¨¤·¤¿¡£²£¼´¤ÏĹ¼þ´üɽ¤Î²¤ò¼¨¤·¤Æ¤¤¤ë¡£Â°¤ÎÈֹ椬Â礭¤¯¤Ê¤ë¤Ë¤Ä¤ì¤Æ¶â°ÆâÊñ¥Õ¥é¡¼¥ì¥ó¤ÎÀ®Ê¬¤Ï¾¯¤Ê¤¯¤Ê¤ë·¹¸þ¤Ë¤¢¤ë¤³¤È¤¬Ê¬¤«¤ë¡£Á°½Ò¤Î¥¢¥ë¥«¥êÅÚÎà¶â°¡¢¥é¥ó¥¿¥Î¥¤¥É¤È¤È¤â¤Ë¡¢Âè4²¸µÁǤǤ¢¤ëZr¡¢Hfξ¸µÁǤâ¥Õ¥é¡¼¥ì¥ó¤ËÆâÊñ¤µ¤ì¤ë¤³¤È¤¬½é¤á¤Æ³Îǧ¤µ¤ì¤¿¡£¤Þ¤¿¡¢Å´¤Ê¤É¤ÎÁ«°Ü¶â°¤ÏcrudeÃæ¤ËÍϲò¤¹¤ëÀ®Ê¬¤Ç¤Ï¤¢¤ë¤¬¥Õ¥é¡¼¥ì¥óÃæ¤ËÆâÊñ¤µ¤ì¤Æ¤¤¤ë¤È¤Ï¤¤¤¨¤Ê¤¤¡£


¿Þ2¡¡ Yields of each element extracted into CS2 solvent and those of metallofullerenes. The sum of the radioactivity observed in the fractions collected from 11.5 to 15.5 min for Sr, Sc, Y and the lanthanoids, and that from 12.5 to 16.5 min for Zr, Hf and Nb is shown by open points for each element as a fraction of the respective radioactivity initially present in the soot. The bars are obtained counting statistical error by ¦Ã-ray measurements, and the arrows show the upper limit value by ¦Ã-ray measurements. ¡Ê¸¶ÏÀʸ3¤è¤ê°úÍÑ¡Ë

¡¡¹¹¤Ë¥¢¥¯¥Á¥Î¥¤¥É¤Ë¤Ä¤¤¤Æ¤â¡¢¸¶¸¦¤Î¥¿¥ó¥Ç¥à²Ã®´ï¤òÍѤ¤¤ÆÀ½Â¤¤µ¤ì¤¿È¾¸º´ü¤¬¼Â¸³¾åŬÅö¤Ê¥¦¥é¥ó¼þÊÕ¤ÎÊü¼ÍÀ­Æ±°ÌÂÎ(237U, 239Np, 240Am)¡¢µÚ¤ÓĹ´ü´ÖÃù¢¤µ¤ì¤¿Êü¼ÍÀ­³Ë¼ï¤Î»Ò¹³Ë(234Th, 233Pa)¤ò²½³ØʬΥ¤·¤ÆÀºÀ½¤·¤¿¤â¤Î¤ò¥°¥é¥Õ¥¡¥¤¥È¤Èº®¹ç¤·¡¢¸¶ÏÀʸ£³¤ÈƱÍͤ˥¢¡¼¥¯Ë¡¤Ç¥Õ¥é¡¼¥ì¥ó¤¬¹çÀ®¤µ¤ì¤¿¡Ê¸¶ÏÀʸ4¡Ë¡£
¡¡¿Þ3¤Ë¡¢Æó¼ïÎà¤Î¸ÇÄêÁê¤òÍѤ¤¤¿¾ì¹ç¤ÎÍÏÎ¥µóÆ°¤ò¼¨¤·¤¿¡£Th, Pa¤ÈU, Np, Am¤½¤ì¤¾¤ì¤Ç¼ç¤Ë1¼ïÎà¤Îʬ»Ò¼ï¤Î¸ºß¤¬³Îǧ¤µ¤ì¤¿¡£¤µ¤é¤Ë¡¢Th¤ÈU¤Ë¤Ä¤¤¤Æ¤Ï¥Þ¥¯¥íÎ̤òÍѤ¤¤¿¹çÀ®¤â¹Ô¤ï¤ì¡¢Àè¤ËÆÀ¤é¤ì¤¿Æó¼ï¤Î¸ÇÄêÁê¤ÎÍϽаÌÃÖ¤«¤éTh¤ÈU¤òÆâÊñ¤¹¤ë¥Õ¥é¡¼¥ì¥ó¤òñΥ¤¹¤ë»ö¤ËÀ®¸ù¤·¤¿¡£¤Þ¤¿¡¢Th¤ÏTh@C84¡¢U¤ÏU@C82¤È¥Þ¥¯¥íÎ̤ÎU¤Ç¤ÏU2@C80¤¬À¸À®¤·¤Æ¤¤¤ë¤³¤È¤¬¼ÁÎÌʬÀÏË¡¤Ç³Îǧ¤µ¤ì¤¿¡£U¤Ïº£¤Þ¤Ç¤Ë¤è¤¯ÃΤé¤ì¤Æ¤¤¤ëLa¤Ê¤É¤Î·Ú¤¤¥é¥ó¥¿¥Î¥¤¥É¤ÈÎà»÷¤·¤Æ¤¤¤ë¤Î¤ËÂФ·¤Æ¡¢Th¤Ï¾¤Î¥é¥ó¥¿¥Î¥¤¥É¤Ç¤Ï¤¢¤Þ¤ê°ìÈÌŪ¤Ç¤Ê¤¤C84¥±¡¼¥¸¤Ë¤Î¤ßÆâÊñ¤µ¤ì¤Æ¤¤¤ë¤³¤È¤¬Ê¬¤«¤Ã¤¿¡£¤½¤Î°ã¤¤¤¬¤Ê¤¼À¸¤¸¤ë¤Î¤«¤Ïº£¸å¤Î¸¡Æ¤²ÝÂê¤Ç¤¢¤ë¡£


¿Þ3¡¡ HPLC elution curves of actinide metallofullerenes on (a) the Buckyprep column and (b) the 5PBB column. For both columns, the elution curves of U, Np, and Am metallofullerenes are similar to those of the light lanthanide fullerenes such as Ce. On the other hand, the elution curves of Th and Pa metallofullerenes are quite different from those of the any lanthanide metallofullerenes. ¡Ê¸¶ÏÀʸ4¤è¤ê°úÍÑ¡Ë



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¡¡Êü¼ÍÀ­Æ±°ÌÂΤò¥È¥ì¡¼¥µ¡¼¤È¤·¤ÆÍѤ¤¤ë¤³¤È¤Ç¡¢ÍÍ¡¹¤Ê¶â°ÆâÊñ¥Õ¥é¡¼¥ì¥ó¤Î¹çÀ®¤Î²ÄǽÀ­¤È¤½¤ÎHPLC¤Ë¤è¤ëÍÏÎ¥¾ò·ï¤Î¸¡Æ¤¤¬¹Ô¤ï¤ì¤Æ¤­¤¿¤¬¡¢º£¸å¤Ï¥Õ¥é¡¼¥ì¥ó¤Î¥È¥ì¡¼¥µ¡¼¤È¤·¤Æ¤Î±þÍѤȤȤâ¤Ë¡¢Êü¼ÍÀ­Æ±°ÌÂΤòÆâÊñ¤¹¤ëµ¡Ç½À­Êª¼Á¤È¤·¤Æ¤ÎȯŸ¤Ë´üÂÔ¤·¤¿¤¤¡£Î㤨¤Ð¡¢¥Õ¥é¡¼¥ì¥ó¤ÎÀ¸Êª¤Ø¤Î¼è¤ê¹þ¤ßµóÆ°¤Ê¤É¤òÄêÎÌŪ¤Ë¼è¤ê°·¤¦¤³¤È¤¬²Äǽ¤Ë¤Ê¤ë¡£¤Þ¤¿¡¢¶½Ì£¿¼¤¤Ãθ«¤È¤·¤Æ¡¢¥Õ¥é¡¼¥ì¥ó¤ËÆâÊñ¤µ¤ì¤ë¤³¤È¤Ë¤è¤Ã¤ÆÊü¼ÍÀ­Æ±°ÌÂΤÎȾ¸º´ü¤¬Ã»¤¯¤Ê¤ë¤È¤ÎÊó¹ð¤â¤Ê¤µ¤ì¤Æ¤¤¤ë¡£

¸¶ÏÀʸ£± Data source 1¡§
HPLC elution behavior of La-fullerenes investigated by radiochemical method
K. Sueki, K. Kobayashi, K. Kikuchi, K. Tomura*, Y. Achiba, H. Nakahara
Department of Chemistry, Faculty of Science, Tokyo Metropolitan University
*Institute for Atomic Energy, Rikkyo Unversity
Fullerene Science & Technology, 2, 213-221 (1994)

¸¶ÏÀʸ£² Data source 2¡§
New lanthanoid metallofullerenes and their HPLC elution behavior
K. Sueki, K. Akiyama, T. Yamauchi, W. Sato, K. Kikuchi, S. Suzuki, M. Katada, , Y. Achiba, T. Akasaka*, H. Nakahara, K. Tomura**
Department of Chemistry, Faculty of Science, Tokyo Metropolitan University
*Graduate School of Science & Technology, Niigata University
**Institute for Atomic Energy, Rikkyo Unversity
Fullerene Science & Technology, 5, 1435-1448 (1997)

¸¶ÏÀʸ£³ Data source 3¡§
Formation of metallofullerenes with higher group elements
K. Sueki, K. Kikuchi, K. Akiyama, T. Sawa, M. Katada, S. Ambe*, F. Ambe*, H. Nakahara
Graduate School of Science, Tokyo Metropolitan University
*The Institute of Physical and Chemical Research
Chemical Physics Letters, 300, 140-144 (1999)

¸¶ÏÀʸ£´ Data source 4¡§
Study of metallofullerenes encapsulating actinides
K. Akiyama, K. Sueki, K. Tsukada*, T. Yaita*, Y. Miyake, H. Haba*, M. Asai*, T. Kodama, K. Kikuchi, T. Ohtsuki**, Y. Nagame*, M. Katada, H. Nakahara
Graduate School of Science, Tokyo Metropolitan University
*Advanced Science Research Center, Japan Atomic Energy Research Institute
**Laboratory of Nuclear Sciences, Tohoku University
J. Nuclear and Radiochemical Sciences, 3, 151-154 (2004)

¥­¡¼¥ï¡¼¥É¡§¶â°ÆâÊñ¥Õ¥é¡¼¥ì¥ó¡¢¥é¥ó¥¿¥Î¥¤¥É¡¢¥¢¥¯¥Á¥Î¥¤¥É¡¢¹â®±ÕÂÎ¥¯¥í¥Þ¥È¥°¥é¥Õ¡¢ÃæÀ­»ÒÊü¼Í²½¡¢Êü¼ÍÀ­Æ±°ÌÂÎ
metallofullerene, lanthanoid, actinoid, high performance liquid chromatography, neutron activation, radioisotope
ʬÎॳ¡¼¥É¡§040103, 040101, 040303

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