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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.21, no.2, 2003³â, pp.164-169
À¯±âÁÖ¼®È­ÇÕ¹°ÀÌ rotifer(Brachionus plicatilis)ÀÇ »ýÁ¸À²¿¡ ¹ÌÄ¡´Â µ¶¼º
( Toxicity of Organotin Compounds on the Survival of Rotifer (Brachionus plicatilis) )
ÀüÁß±Õ;À̹ÌÈñ;ÀÌÁö¼±;À̰漱;½É¿øÁØ;½Å¿µ¹ü;À̼öÇü; °­¸ª´ëÇб³ ÇØ¾ç»ý¸í°øÇкÎ/µ¿ÇؾÈÇØ¾ç»ý¹°ÀÚ¿ø¿¬±¸¼¾ÅÍ;°­¸ª´ëÇб³ ÇØ¾ç»ý¸í°øÇкÎ/µ¿ÇؾÈÇØ¾ç»ý¹°ÀÚ¿ø¿¬±¸¼¾ÅÍ;°­¸ª´ëÇб³ ÇØ¾ç»ý¸í°øÇкÎ/µ¿ÇؾÈÇØ¾ç»ý¹°ÀÚ¿ø¿¬±¸¼¾ÅÍ;ÀϺ»¾î Àå±â´ëÇÐ;Çѱ¹Çؾ翬±¸¿ø ÇØ¾çȯ°æ±âÈÄ¿¬±¸º»ºÎ;Çѱ¹Çؾ翬±¸¿ø ÇØ¾çȯ°æ±âÈÄ¿¬±¸º»ºÎ;Çѱ¹Çؾ翬±¸¿ø ÇØ¾çȯ°æ±âÈÄ¿¬±¸º»ºÎ;
 
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À¯±âÁÖ¼®È­ÇÕ¹°Àº ³ó¾÷°ú »ê¾÷ºÐ¾ß¿¡¼­ ¸¹ÀÌ ¾²À̰í, À̵éÀº ¼ö°èȯ°æÀ¸·Î À¯ÀÔµÇ¾î ¹°À̳ª ÀúÁú ÁßÀÇ ¼¼±Õµé¿¡ ÀÇÇØ ºÐÇØµÇ¾î ÃÖÁ¾ÀûÀ¸·Î´Â ¹«±âÁÖ¼®À¸·Î µÈ´Ù. Trialkyltin È­ÇÕ¹°ÀÌ ÇØ¾ç»ý¹°¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ °üÇØ¼­´Â ¸¹Àº ¿¬±¸°¡ ÀÖÁö¸¸, ÇØ¾ç»ýŰ迡¼­ ±âÃÊÀûÀÎ »ý»êÀ» ´ã´çÇÏ´Â Çöûũſ·ù¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ °üÇØ¼­´Â Àß ¾Ë·ÁÁ® ÀÖÁö ¾Ê´Ù. º» ¿¬±¸¿¡¼­´Â TBT¿Í TPTÀÇ ºÐÇØ¹°ÀÎ DBT, MBT, DPT, MPT¸¦ ºñ·ÔÇÏ¿© trimethyltin(TMT)°ú ±×ºÐÇØ¹°ÀÎ dimethyltin (DMT)ÀÌ ±â¼ö»ê rotiferÀÇ »ýÁ¸¿¡ ¹ÌÄ¡´Â µ¶¼º(96hr-$LC_{50}$)À» Á¶»ç.ºñ±³ÇÏ¿´´Ù. ±× °á°ú, DPT(13.8ppb)°¡ °¡Àå °­ÇßÀ¸¸ç TMT(42.9), DBT(80.6), MPT(262.2), MBT¿Í DMT(>1,000)ÀÇ ¼øÀ¸·Î ³ªÅ¸³µ´Ù. Áï, trialkyltin°ú dialkyltin¿¡¼­´Â Æä´ÒÁÖ¼®, ºÎÄ¥ÁÖ¼®, ¸ÞÄ¥ÁÖ¼®ÀÇ ¼øÀ¸·Î µ¶¼ºÀÌ ¾àÇØÁö¸ç, mo-noalkyltin¿¡¼­µµ Æä´ÒÁÖ¼®È­ÇÕ¹°ÀÌ ¸ÞÄ¥ÁÖ¼®È­ÇÕ¹°¿¡ ºñÇØ µ¶¼ºÀÌ °­ÇÏ´Ù´Â °ÍÀ» È®ÀÎÇÒ ¼ö°¡ ÀÖ¾ú´Ù. ÀÌ·¸µí µ¶¼ºÀÌ ¼­·Î ´Ù¸¥ °ÍÀº À¯±âÁÖ¼®È­ÇÕ¹°ÀÇ ¼Ò¼ö¼º(lipo-philicity)°úµµ ³ôÀº »ó°üÀÌ ÀÖ¾ú´Ù.
Organotins are widely used organometals in various agricultural and industrial purposes. After introduction of these chemicals to the aquatic environment, they are degraded by abiotic and biotic precesses. The triorganotin compounds are sequentially degraded to di-organotin, mono-organotin and then finally inorganic tin. Although the effects of trialkyltin an marine organisms have been intensively studied, little has been known on plankton as a producer of ecosystem. In this paper, the toxicities of dibutyltin (DBT), monobutyltin (MBT), diphenyltin (DPT), monophenyltin (MPT), trimethyltin (TMT) and dimethyltin (DMT) to rotifer Brachionus plicatilis were measured, and their potencies were compared based on 96 hr-$LC_{50}$ value. The results showed that DPT (13.8 ppb) was the highest toxic, which was followed by TMT (42.9), DBT (80.6), MPT (262.2), MBT and DMT (>1,000) in order. Thus, in tri- and diorganotins, the toxicity was observed phenyltins > butyltins > methyltins, and in mono-organotins phenyltins was more toxic than butyltins. Considering the order of 96 hr--$LC_{50}$ with octanol-water eoefficients ($K_{ow}$) in organotins together, it was considered that the toxicity of organotins seems to be related to the lipophilicity of the compounds.
 
Ű¿öµå
dibutyltin;monobutyltin;diphenyltin;monophenyltin;trimethyltin;di-methyltin;rotifer;survival rate;96hr-LC$_{}$ 50/;
 
ȯ°æ»ý¹° / v.21, no.2, 2003³â, pp.164-169
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921693978)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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