文献类型：期刊文献

英文题名：Terrestrial Trophic Transfer of Bulk and Nanoparticle La2O3 Does Not Depend on Particle Size

作者：De La Torre Roche, Roberto[1] Servin, Alia[1] Hawthorne, Joseph[1] Xing, Baoshan[2] Newman, Lee A.[3] Ma, Xingmao[4] Chen, Guangcai[3,5] White, Jason C.[1]

第一作者：De La Torre Roche, Roberto

通信作者：White, Jason C.

机构：[1] Department of Analytical Chemistry, Connecticut Agricultural Experiment Station, New Haven, CT, 06504, United States; [2] Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, 01003, United States; [3] Department of Environmental and Forest Biology, SUNY, College of Environmental Science and Forestry, Syracuse, NY, 13210, United States; [4] Zachry Department of Civil Engineering, Texas AandM University, College Station, TX, 77843, United States; [5] Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang, Zhejiang, 311400, China

年份：2015

卷号：49

期号：19

起止页码：11866-11874

外文期刊名：Environmental Science and Technology

收录：EI(收录号：20154101378098)

语种：英文

外文关键词：Lanthanum - Lettuce - Particle size - Biochemistry - Tissue - Digestive system - Histology

摘要：The bioaccumulation and trophic transfer of bulk and nanoparticle (NP) La2O3 from soil through a terrestrial food chain was determined. To investigate the impact of growth conditions, lettuce (Lactuca sativa) was grown in 350 or 1200 g of bulk/NP amended soil. Leaf tissues were fed to crickets (Acheta domesticus) or darkling beetles (Tenebrionoidea); select crickets were fed to mantises. In the small pot (350 g), La2O3 exposure reduced plant biomass by 23-30% and La tissue content did not differ with particle size. In the large pot (1200 g), biomass was unaffected by exposure and La content in the tissues were significantly greater with bulk particle treatment. Darkling beetles exposed to bulk and NP La2O3-contaminated lettuce contained La at 0.18 and 0.08 mg/kg; respectively (significantly different, P 2O3-exposed lettuce contained 0.53 and 0.33 mg/kg, respectively (significantly different, P ? 2015 American Chemical Society.