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科研机构
中国农业科学院 [13]
江苏大学 [4]
生态环境研究中心 [4]
成都生物研究所 [3]
北京大学 [2]
南华大学 [1]
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期刊论文 [35]
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Variability of chromium bioaccessibility and speciation in vegetables: The influence of in vitro methods, gut microbiota and vegetable species
期刊论文
FOOD CHEMISTRY, 2019, 卷号: 277, 页码: 347-352
作者:
Wang, Pengfei
;
Yin, Naiyi
;
Cai, Xiaolin
;
Du, Huili
;
Li, Zejiao
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浏览/下载:33/0
  |  
提交时间:2020/10/23
Chromium
Bioaccessibility
Speciation
Gut microbiota
In vitro methods
Vegetables
Allelopathic effects of Canada goldenrod leaf extracts on the seed germination and seedling growth of lettuce reinforced under salt stress
期刊论文
ECOTOXICOLOGY, 2019, 卷号: 28, 期号: 1, 页码: 103-116
作者:
Wang, Congyan[1]
;
Wu, Bingde[2]
;
Jiang, Kun[3]
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  |  
浏览/下载:5/0
  |  
提交时间:2019/12/24
Allelopathic effects
Growth performance
Invasive plant species
Seed germination and seedling growth
Salt stress
Solidago canadensis
食用蔬菜能吸收和积累微塑料
期刊论文
科学通报, 2019, 卷号: 64, 期号: 9, 页码: 928-934
作者:
李连祯
;
周倩
;
尹娜
;
涂晨
;
骆永明
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  |  
浏览/下载:63/0
  |  
提交时间:2020/06/17
微塑料
生菜
聚苯乙烯微球
吸收
积累
健康风险
microplastics
lettuce
polystyrene microbeads
uptake
accumulation
human health risk
Microplastic (MP, 100 nm-5 mm) may present an attributable risk to ecosystem and human health, and its pollution has become a global environmental concern. Despite a wealth of information on the accumulation of MPs in aquatic species, there is no information on the uptake and accumulation of MPs by higher plants. Terrestrial edible plants are directly exposed to MPs when agricultural soil was applied with organic manure, sewage sludge as fertilizer or plastic mulching. In this paper, the uptake of two sizes of polystyrene (PS) microbeads (0.2 and 1.0 mum) and then their distribution and migration in an edible plant lettuce were firstly investigated based on laboratory experiments. We used fluorescent markers to track PS microbeads in plant tissues and found fluorescence to be a sensitive and reliable detection method. Sections from untreated control lettuce showed no autofluorescence. When roots were treated with fluorescently labeled PS microbeads, the microbeads could be identified by its fluorescence. Our main study investigated the uptake of 0.2 mum beads, as few luminescence signals were observed in lettuce roots for 1.0 mum beads in our experiment. We observed that 0.2 mum fluorescent microbeads were extracellularly trapped in the root cap mucilage (which is a highly hydrated polysaccharide) and a dark green tip (which was typical of lettuce roots exposed to label PS beads) was usually visible to the naked eye. Confocal images revealed that the PS luminescence signals were mainly located in the vascular system and on the cell walls of the cortex tissue of the roots, indicated that the beads passed through the intercellular space via the apoplastic transport system. Once inside the central cylinder, the 0.2 mum PS beads were transferred from the roots to the stems and leaves via the vascular system following the transpiration stream. We also observed that the PS beads adhered to one another and self-assembled systematically into grape-like and (chain) string-like clusters in the intercellular space of the root and stem vascular tissue of lettuce plant. In contrast to the root and stem, PS beads were dispersed in the leaf tissue. Here, for the first time we provide evidence of the adherence, uptake, accumulation, and translocation of submicrometer MPs within an edible plant. Our findings highlight the previously underappreciated human exposure pathway to MPs through the consumption of contaminated crops and emphasize the need for new management strategies to control the release of MPs waste products into the terrestrial environment. Ultimately, the potential impacts of low range sized MPs on food safety of crop plants and human health need to be urgently considered.
Visualization research of moisture content in leaf lettuce leaves based on WT-PLSR and hyperspectral imaging technology
期刊论文
JOURNAL OF FOOD PROCESS ENGINEERING, 2018, 卷号: 41, 期号: 2
作者:
Zhou, Xin[1]
;
Sun, Jun[2]
;
Mao, Hanping[3]
;
Wu, Xiaohong[4]
;
Zhang, Xiaodong[5]
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浏览/下载:6/0
  |  
提交时间:2019/12/24
The combined treatments of Canada goldenrod leaf extracts and cadmium pollution confer an inhibitory effect on seed germination and seedling development of lettuce
期刊论文
AUSTRALIAN JOURNAL OF BOTANY, 2018, 卷号: 66, 期号: 4, 页码: 331-337
作者:
Wang, Congyan[1]
;
Jiang, Kun[2]
;
Wu, Bingde[3]
;
Zhou, Jiawei[4]
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  |  
浏览/下载:4/0
  |  
提交时间:2019/12/24
allelopathic effects
Cd pollution
invasive species
seed germination
seedling development
Solidago Canadensis
Investigation of bioaccessibility of Cu, Fe, Mn, and Zn in market vegetables in the colon using PBET combined with SHIME
期刊论文
SCIENTIFIC REPORTS, 2017, 卷号: 7, 期号: 0, 页码: -
作者:
Cui, Yanshan
;
Sun, Guoxin
;
Yin, Naiyi
;
Cai, Xiaolin
;
Chen, Xiaochen
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  |  
浏览/下载:63/0
  |  
提交时间:2018/07/29
Mitigating cadmium accumulation in greenhouse lettuce production using biochar
期刊论文
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2017, 卷号: 24, 期号: 7, 页码: 6532-6542
作者:
Li, Cui
;
Zhang, Bo
;
Wang, Qinghai
;
Xie, Zubin
;
Sun, Guoxin
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  |  
浏览/下载:19/0
  |  
提交时间:2018/07/29
Biochar
Cadmium
Leaf Lettuce
Greenhouse
Hazard Quotient
Does organically produced lettuce harbor higher abundance of antibiotic resistance genes than conventionally produced?
期刊论文
ENVIRONMENT INTERNATIONAL, 2017, 卷号: 98, 期号: 0, 页码: 152-159
作者:
Chen, Songcan
;
Chen, Qinglin
;
Zhu, Yong-Guan
;
Zhu, Bokai
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  |  
浏览/下载:20/0
  |  
提交时间:2018/07/29
Antibiotic Resistance Genes
Phyllosphere
Vegetables
Network Analysis
Leaf Morphology, Photosynthetic Performance, Chlorophyll Fluorescence, Stomata! Development of Lettuce (Lactuca sativa L.) Exposed to Different Ratios of Red Light to Blue Light
期刊论文
FRONTIERS IN PLANT SCIENCE, 2016, 卷号: 7, 页码: -
作者:
Wang, Jun
;
Lu, Wei
;
Tong, Yuxin
;
Yang, Qichang
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  |  
浏览/下载:68/0
  |  
提交时间:2016/12/06
R/B ratio
photosynthetic performance
chlorophyll fluorescence
stomata
dry weight
Lactuca sativa L.
Effect of cadmium accumulation on mineral nutrient levels in vegetable crops: potential implications for human health
期刊论文
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2016, 卷号: 23, 期号: 19, 页码: 19744-19753
作者:
Yang, Danping
;
Guo, Zhiqiang
;
Green, Iain D.
;
Xie, Deti
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  |  
浏览/下载:29/0
  |  
提交时间:2016/12/22
Heavy metals
Vegetables
Translocation factor
Bioaccumulation
Tolerance index
Nutritional element homeostasis
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