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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.42, no.1, 2009³â, pp.75-84
¿©·¯ °¡Áö Àº³ª³ë ¹°ÁúÀÇ À¯ÇØ ³²Á¶ Microcystis aeruginosa »ýÀå¾ïÁ¦
( Growth Inhibition of Toxic Cyanobacterium Microcystis aeruginosa by Various SNPs (Silver Nanoparticles) )
¹Ú¸íȯ;±è°ÇÈñ;ÀÌÇõÈñ;±èÁø¼®;Ȳ¼øÁø; °Ç±¹´ëÇб³ ȯ°æ°úÇаú;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;Çѱ¹È­Çבּ¸¿ø ȯ°æ¿¡³ÊÁö¼¾ÅÍ;Çѱ¹È­Çבּ¸¿ø ½ÅÈ­Çבּ¸´Ü;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;
 
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¿©·¯ °¡Áö Àº³ª³ë¹°Áú(SNPs)ÀÇ M. aeruginosa »ýÀå¿¡ ´ëÇÑ ¿µÇâÀ» ½Ç³», ¿Ü ½ÇÇèÀ» ÅëÇØ Á¶»çÇÏ¿´´Ù. Á¦Á¶µÈ 4°¡Áö SNPs´Â ³óµµ $200mg;L^-1$, ÀÔÀÚÅ©±â $20{sim}40nm$, °¥»ö Ag·Î¼­ÀÇ ¼ö¿ë¾×À̾úÀ¸¸ç ÀÌ ¿ë¾×µéÀ» °¢°¢ ½ÇÇè¿¡ »ç¿ëÇÏ¿´´Ù. SNPs´Â unicellular M. aeruginosa¿¡ ´ëÇÏ¿© 0.01, $0.1mg;L^-1$ÀÇ Ã·°¡³óµµ¿¡¼­ °¢°¢ 99.4%, 99.9%ÀÇ Á¶·ù »ýÀå¾ïÁ¦ È¿°ú¸¦ ³ªÅ¸³ÂÀ¸¸ç, colonial M. aeruginosa¿¡ ´ëÇÏ¿©´Â ¿©·¯ °¡Áö ³óµµ Áß $1mg;L^-1$ÀÇ ³óµµ¿¡¼­ °¡Àå ³ôÀº »ýÀå¾ïÁ¦ È¿°ú(98.5%)¸¦ ³ªÅ¸³Â´Ù. ´õ¿íÀÌ ºÎ¿µ¾çÈ­ÇÑ ÇöÀå¿¡¼­ SNPs¸¦ ÷°¡ÇÑ enclosure ½ÇÇèÀ» ÅëÇØ M. aeruginosa¿¡ ´ëÇÑ ¼±ÅÃÀû Á¦¾î °¡´É¼ºÀÌ ½Ã»çµÇ¾ú´Ù. º» ¿¬±¸¸¦ ÅëÇØ¼­ ÇâÈÄ SNPs¸¦ ´õ¿í º¸¿ÏÇϸé M. aeruginosa¸¦ ºñ·ÔÇÑ À¯ÇØ ³²Á¶ÀÇ ¼±ÅÃÀû Á¦¾î¿¡ Á»´õ È¿°úÀûÀÏ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
The effect of various SNPs (silver nanoparticles) on the growth of Microcystis aeruginosa was investigated in laboratory and field experiment. Four SNPs, namely JS47N, JS47N-K2, JS47N/3-1 and JS47N/3-2 were used to this study. The Ag size, concentration and color of these solutions were about $20{sim}40nm$, $200mg;L^-1$ and brown, respectively. At 0.01 and $0.1mg;L^-1$, SNPs inhibited the growth of unicellular M. aeruginosa by 99.4% and 99.9%, respectively. However, SNPs of $1mg;L^-1$ inhibited the growth of colonial M. aeruginosa by 98.5%, whereas the other three concentrations (0.001, 0.01 and $0.1mg;L^-1$) had little inhibitory effect. In experimental enclosures from eutrophic lake, cyanobacteria including M. aeruginosa were found to be more sensitive to the SNPs than green algae and diatoms. In conclusion, our study indicates that SNPs has a selective cyanocidal potential when used to M. aeruginosa. We believe that future studies need to test on various other organisms, and determine minimum concentration for field application.
 
Ű¿öµå
cyanobacteria;selective algal control;SNPs (silver nanoparticles);unicellular and colonial Microcystis aeruginosa;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.42, no.1, 2009³â, pp.75-84
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200912651518764)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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