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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.22, no.3, 2004³â, pp.400-404
PolycaprolactoneÀ» ºÐÇØÇÏ´Â Åä¾ç¹Ì»ý¹°
( Soil Microorganism Degrading Polycaprolactone )
±è¸»³²; »ó¸í´ëÇб³ ÀÚ¿¬°úÇкÎ;
 
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À¯±âÇÕ¼ºÀûÀ¸·Î Á¦Á¶µÈ Áö¹æÁ· Æú¸®¿¡½ºÅ׸£ÀÇ ÀÏÁ¾ÀÎ polycaprolactone (PCL)À» $27^circ{C}$¿Í $37^circ{C}$·Î ¿Âµµ¸¦ ´Þ¸®ÇÑ È°¼º¿À´ÏÅä¾ç¿¡ 66Àϰ£ ¸Å¸³ÇÏ¿© Åä¾ç¹Ì»ý¹°¿¡ ÀÇÇØ ºÐÇØµÈ PCL Çʸ§ÀÇ Ç¥¸éº¯È­¸¦ °üÂûÇϰí, PCLÀ» ºÐÇØÇÏ´Â Åä¾çÁø±Õ°ú Åä¾ç¼¼±ÕÀ» ºÐ¸®, µ¿Á¤ÇÏ¿´´Ù. PCLÀ» ź¼Ò¿ø°ú ¿¡³ÊÁö¿øÀ¸·Î ÀÌ¿ëÇÏ´Â Åä¾çÁø±ÕÀ¸·Î´Â Paecilomyces fumosoroseus KH27, Penicillium digitatum KH28, Fusarium solani KH29¿Í Aspergillus sp. KH30, Åä¾ç¼¼±ÕÀ¸·Î´Â Ochrobactrum anthropi KH3lÀÌ ºÐ¸®µÇ¾ú´Ù. $27^circ{C}$¿¡¼­´Â P. digitatum KH28ÀÌ °¡Àå ³ôÀº PCL ºÐÇØ´É(46%)À» º¸¿´°í, $37^circ{C}$¿¡¼­´Â O. anthropi KH31ÀÇ ºÐÇØ´É(52%)ÀÌ °¡Àå ¿ì¼öÇÏ¿´´Ù.
Polycaprolactone (PCL), a synthetic aliphatic polyester, was buried in activated sludge soil for 66 days at $27^circ{C}$ and $37^circ{C}$. The morphology of the surface of PCL film degraded by soil microorganisms was observed. Soil microorganisms degrading PCL were isolated and identified. Soil fungi and soil bacteria utilizing PCL as carbon or energy source were identified as Paecilomyces fumosoroseus KH27, Penicillium digitatum KH28, Fusarium solani KH29, Aspergillus sp. KH30 and Ochrobactrum anthropi KH31, respectively. Biodegradation test of PCL by the isolated strains showed that, P. digitatum KH28 exhibited the most PCL degrading activity at $27^circ{C}$. However, at $37^circ{C}$ O. anthropi KH31 showed higher degrading activity than the other soil microorganisms tested.
 
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Polycaprolactone;activated sludge soil;biodegradability;
 
ȯ°æ»ý¹° / v.22, no.3, 2004³â, pp.400-404
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200412910473822)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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