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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 112 - 117 (6page)
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Objectives: In this study, we investigated the biodegradation rates of 8 perfluorooctanesulfonate (PFOS)alternatives synthesized at the at Changwon National University in comparison to those of PFOS potassium saltand PFOS sodium salt.
Methods: A biodegradability test was performed for 28 days with microorganisms cultured in the goodlaboratory practice laboratory at the Korea Environment Corporation following the OECD Guidelines for thetesting of chemicals, Test No. 301 CResults: While C5H8F3SO3K, C8F17SO3K and C8F17SO3Na were not degraded after 28 days, the 3alternatives were biodegraded at the rates of 31.4% for C8H8F9SO3K, 25.6% for C10H8F13SO3K, 23.6% forC25F17H32S3O13Na3, 20.9% for C15F9H21S2O8Na2, 15.5% for C23F18H28S2O8Na2, 8.5% for C17F9H25S2O8Na2 and4.8% for C6H8F5SO3K. When the concentration was the same(500 mg/L), C23F18H28S2O8Na2 had the lowesttension with 20.94 mN/m, which was followed by C15F9H21S2O8Na2 (23.36 mN/m), C17F9H25S2O8Na2 (27.31mN/m), C25F17H32S3O13Na3 (28.17 mN/m), C10H8F13SO3K (29.77 mN/m) and C8H8F9SO3K (33.89 mN/m).
Having higher surface tension of 57.64 mN/m and 67.57 mN/m, respectively, than those of the two typesof PFOS salts, C6H8F5SO3K and C5H8F3SO3K were found valueless as substitute for PFOS.
Conclusion: The biodegradation test suggest that 6 compounds could be used as substitutes for PFOS.
C23F18H28S2O8Na2 and C15F9H21S2O8Na2 were found to be the best substitutes based on biodegradation rateand surface tension, followed by C25F17H32S3O13Na3, C8H8F9SO3K and C10H8F13SO3K. C17F9H25S2O8Na2 wasfound to have relatively low value as an alternative but it still had a potential to substitute the conventionalPFOS.
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참고문헌 (9)
참고문헌 신청
Sanderson H / 2003 / Impact of perfluorooctanoic acid on the structure of the zooplankton community in indoor microcosms / Aquat Toxicol 62(3):227~234
Kannan K / 2002 / Concentration of perfluorinated acids in liver of birds from Japan and Korea / Chem 49(3):225~236
Peden-Adams MM / 2007 / Suppression of humoral immunity following exposure to perfluoinated insecticide sulfluramid / J Toxicol Environ Health A 70(13):1130~1141
Liu C / 2007 / Induction of oxidative stress and apoptosis by PFOS and PFOA in primary cultured hepatocytes of freshwater tilapia(Oreochromis niloticus) / Aquat Toxical 82(2):135~143
Qazi MR / 2009 / The atrophy and changes in the cellular compositions of the thymus and spleen observed in mice subjected to short-term exposure to perfluorooctane sulfonate are high-dose phenomena mediated in part by peroxisome proliferator-activated receptor-alpha(PPAR α) / Toxicology 260(1-3):68~76
Kannan K / 2002 / Concentration of perfluorinated acids in liver of birds from Japan and Korea / Chem 49(3):225~236
Peden-Adams MM / 2007 / Suppression of humoral immunity following exposure to perfluoinated insecticide sulfluramid / J Toxicol Environ Health A 70(13):1130~1141
Liu C / 2007 / Induction of oxidative stress and apoptosis by PFOS and PFOA in primary cultured hepatocytes of freshwater tilapia(Oreochromis niloticus) / Aquat Toxical 82(2):135~143
Qazi MR / 2009 / The atrophy and changes in the cellular compositions of the thymus and spleen observed in mice subjected to short-term exposure to perfluorooctane sulfonate are high-dose phenomena mediated in part by peroxisome proliferator-activated receptor-alpha(PPAR α) / Toxicology 260(1-3):68~76
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