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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 환경독성보건학회 Environmental Analysis Health and Toxicology Environmental Health and Toxicology Vol.30
- 발행연도
- 2015.12
- 수록면
- 18 - 23 (6page)
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초록· 키워드
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Objectives : This study aims to evaluate the size-dependent toxicity of spherical silver nanoparticles (Ag NPs) to an endemic benthic organism, Glyptotendipes tokunagai.
Methods : Ag nanoparticles of three nominal sizes (50, 100, and 150 nm) capped with polyvinyl pyrrolidone (PVP-Ag NPs) were used. Their physicochemical properties, acute toxicity (48 hours), and bioaccumulation were measured using third instar larvae of G. tokunagai.
Results : The aggregation and dissolution of PVP-Ag NPs increased with exposure time and concentration, respectively, particularly for 50 nm PVP-Ag NPs. However, the dissolved concentration of Ag ions was not significant compared with the median lethal concentration value for AgNO3 (3.51 mg/L). The acute toxicity of PVP-Ag NPs was highest for the smallest particles (50 nm), whereas bioaccumulation was greatest for the largest particles (150 nm). However, larger PVP-Ag NPs were absorbed and excreted rapidly, resulting in shorter stays in G. tokunagai than the smaller ones.
Conclusions : The size of PVP-Ag NPs significantly affects their acute toxicity to G. tokunagai. In particular, smaller PVP-Ag NPs have a higher solubility and stay longer in the body of G. tokunagai, resulting in higher toxicity than larger PVP-Ag NPs.
Methods : Ag nanoparticles of three nominal sizes (50, 100, and 150 nm) capped with polyvinyl pyrrolidone (PVP-Ag NPs) were used. Their physicochemical properties, acute toxicity (48 hours), and bioaccumulation were measured using third instar larvae of G. tokunagai.
Results : The aggregation and dissolution of PVP-Ag NPs increased with exposure time and concentration, respectively, particularly for 50 nm PVP-Ag NPs. However, the dissolved concentration of Ag ions was not significant compared with the median lethal concentration value for AgNO3 (3.51 mg/L). The acute toxicity of PVP-Ag NPs was highest for the smallest particles (50 nm), whereas bioaccumulation was greatest for the largest particles (150 nm). However, larger PVP-Ag NPs were absorbed and excreted rapidly, resulting in shorter stays in G. tokunagai than the smaller ones.
Conclusions : The size of PVP-Ag NPs significantly affects their acute toxicity to G. tokunagai. In particular, smaller PVP-Ag NPs have a higher solubility and stay longer in the body of G. tokunagai, resulting in higher toxicity than larger PVP-Ag NPs.
목차
Introduction
Materials and Methods
Result
Discussion
References
참고문헌 (31)
참고문헌 신청
Kaegi R / 2013 / Fate and transformation of silver nanoparticles in urban wastewater systems / Water Res 47(12):3866~3877
Hendren CO / 2013 / Modeling nanomaterial fate in wastewater treatment: Monte Carlo simulation of silver nanoparticles (nano-Ag) / Sci Total Environ 449:418~425
Perelshtein I / 2008 / Sonochemical coating of silver nanoparticles on textile fabrics (nylon, polyester and cotton) and their antibacterial activity / Nanotechnology 19(24):245705
Farkas J / 2011 / Characterization of the effluent from a nanosilver producing washing machine / Environ Int 37(6):1057~1062
Golovina NB / 2013 / Toxicity of metal nanoparticles with a focus on silver / Mendeleev Commun 23(2)
Hendren CO / 2013 / Modeling nanomaterial fate in wastewater treatment: Monte Carlo simulation of silver nanoparticles (nano-Ag) / Sci Total Environ 449:418~425
Perelshtein I / 2008 / Sonochemical coating of silver nanoparticles on textile fabrics (nylon, polyester and cotton) and their antibacterial activity / Nanotechnology 19(24):245705
Farkas J / 2011 / Characterization of the effluent from a nanosilver producing washing machine / Environ Int 37(6):1057~1062
Golovina NB / 2013 / Toxicity of metal nanoparticles with a focus on silver / Mendeleev Commun 23(2)
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UCI(KEPA) : I410-ECN-0101-2017-539-000798817