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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2010.12
- 수록면
- 273 - 278 (6page)
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초록· 키워드
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Objectives : This study was aimed to examine the acute toxicity assessment of two new algicides, thiazolidinediones derivatives (TD53 and TD49), which were synthesized to selectively control red tide, to the marine ecosystem.
Methods : The assessment employed by a new method using Ulva pertusa Kjellman which has been recently accepted as a standard method of ISO. The toxicity was assessed by calculating the EC50 (Effective Concentration of 50%), NOEC (No Observed Effect Concentration) and PNEC (Predicted No Effect Concentration) using acute toxicity data obtained from exposure experiments. EC50 value of TD49 and TD53 was examined by 96-hrs exposure together with Solutol as a TD49 dispersing agent and DMSO as a TD53 solvent.
Results : EC50 value of TD53 was 1.65 μM. From the results, values of NOEC and PNEC were calculated to be 0.63 μM and 1.65 nM, respectively. DMSO under the range of 0~10 μM, which is same solvent concentration used in examining TD53, showed no toxic effect. EC50 value of TD49 was 0.18μM and that of Solutol was 1.70 μM. NOEC and PNEC of TD49 were 0.08 μM and 0.18 nM, respectively and those for Solutol were 1.25 μM and 1.25 nM, respectively.
Conclusions : From the values of NOEC, PNEC of TD53 and TD49, TD49 showed 9 times stronger toxicity than TD53. On the other hand, DMSO showed no toxicity on the Ulva pertusa Kjellman, but Solutol was found to be a considerable toxicity by itself.
Methods : The assessment employed by a new method using Ulva pertusa Kjellman which has been recently accepted as a standard method of ISO. The toxicity was assessed by calculating the EC50 (Effective Concentration of 50%), NOEC (No Observed Effect Concentration) and PNEC (Predicted No Effect Concentration) using acute toxicity data obtained from exposure experiments. EC50 value of TD49 and TD53 was examined by 96-hrs exposure together with Solutol as a TD49 dispersing agent and DMSO as a TD53 solvent.
Results : EC50 value of TD53 was 1.65 μM. From the results, values of NOEC and PNEC were calculated to be 0.63 μM and 1.65 nM, respectively. DMSO under the range of 0~10 μM, which is same solvent concentration used in examining TD53, showed no toxic effect. EC50 value of TD49 was 0.18μM and that of Solutol was 1.70 μM. NOEC and PNEC of TD49 were 0.08 μM and 0.18 nM, respectively and those for Solutol were 1.25 μM and 1.25 nM, respectively.
Conclusions : From the values of NOEC, PNEC of TD53 and TD49, TD49 showed 9 times stronger toxicity than TD53. On the other hand, DMSO showed no toxicity on the Ulva pertusa Kjellman, but Solutol was found to be a considerable toxicity by itself.
목차
ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSIONS
REFERENCES
참고문헌 (16)
참고문헌 신청
Hallagraeff GM / 1993 / A review of harmful algal blooms and their apparent global increase / Phycologia 32(2):79~99
박치현 / 2006 / 적조 방제용 황토살포가 연안 저서생태계에 미치는 영향 / 한국환경과학회지 15(11):1035~1043
Sun XX / 2004 / A preliminary study on the mechanism of hamful algal bloom mitigation by use sophorolipid treatment / J Exp Mar Biol Ecol 304(1):35~49
Bricelj VM / 1984 / Influence of algal and suspended sediment concentrations on the feeding physiology of the hard clam Mercenaria mercenaria / Mar Biol 84(2):155~165
Ryu HY / 1998 / Experimental chemical treatments for the control of dinoflagellate, Cochlodinium polykrikoides in the land-based culture of olive flounder Paralichthys olivaceus / J Aquacult 11(3):285~294
박치현 / 2006 / 적조 방제용 황토살포가 연안 저서생태계에 미치는 영향 / 한국환경과학회지 15(11):1035~1043
Sun XX / 2004 / A preliminary study on the mechanism of hamful algal bloom mitigation by use sophorolipid treatment / J Exp Mar Biol Ecol 304(1):35~49
Bricelj VM / 1984 / Influence of algal and suspended sediment concentrations on the feeding physiology of the hard clam Mercenaria mercenaria / Mar Biol 84(2):155~165
Ryu HY / 1998 / Experimental chemical treatments for the control of dinoflagellate, Cochlodinium polykrikoides in the land-based culture of olive flounder Paralichthys olivaceus / J Aquacult 11(3):285~294
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UCI(KEPA) : I410-ECN-0101-2012-539-003787023