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Enhanced degradation performance and microbial community diversity analysis of a microbial electrolytic cell with a double chamber for the treatment of wastewater containing p-bromoaniline
期刊论文
Biochemical Engineering Journal, 2022, 卷号: 185
作者:
Wei, Qian
;
Li, Bowen
;
Zhao, Xia
;
Jiang, Feng
;
Xu, Yumin
收藏
  |  
浏览/下载:26/0
  |  
提交时间:2022/08/09
Aniline
Bacteria
Biodegradation
Cathodes
Efficiency
Electric potential
Microbial fuel cells
Wastewater treatment
Anaerobic reactor
Cathode potential
Cell-be
Cell/B.E
Cell/BE
Microbial diversity
Microbial electrolytic cells
P-bromoaniline
Performance
Removal efficiencies
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.
Management of mother-to-child transmission of hepatitis B virus: Propositions and challenges
期刊论文
Journal of Clinical Virology, 2016, 卷号: 77, 页码: 32-39
作者:
Yi, Panpan
;
Chen, Ruochan
;
Huang, Yan
;
Zhou, Rong-Rong*
;
Fan, Xue-Gong*
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  |  
浏览/下载:6/0
  |  
提交时间:2019/12/03
HBV
hepatitis B virus
HBI
Ghepatitis B immunoglobulin
MTCT
mother to child transmission
HCC
hepatocellular carcinoma
HBIG
hepatitis B immunoglobulin
HBsAg
hepatitis Bs antigen
HBeAg
hepatitis Be antigen
WHO
World Health Organization
PBMC
peripheral blood mononuclear cell
EASL
European Association for the Study of the Liver
APASL
the Asian Pacific Association for the Study of the Liver
AASLD
American Association for the Study of Liver Diseases (AASLD)
Hepatitis B virus
Mother to child transmission
Immunoprophylaxis
Antiviral therapy
Breastfeeding
RCSoS: An IEC 61508 Compatible Server Model for Reliable Communication
期刊论文
JOURNAL OF SIGNAL PROCESSING SYSTEMS FOR SIGNAL IMAGE AND VIDEO TECHNOLOGY, 2015, 卷号: 80, 期号: 3, 页码: 323-337
作者:
Zhou, R
;
Chen, XL
;
Chen, HM
;
Yan, FL
;
Chen, CL
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  |  
浏览/下载:4/0
  |  
提交时间:2016/07/15
Reliable communication
Server model
Safety-related system
SPU
Cell/BE
A Server Model for Reliable Communication on Cell/BE
会议论文
42nd Annual International Conference on Parallel Processing (ICPP), Lyon, FRANCE, OCT 01-04, 2013
作者:
Zhou, R
;
Chen, HM
;
Liu, Q
;
Sheng, Y
;
Zhou, QG
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  |  
浏览/下载:5/0
  |  
提交时间:2017/01/18
reliable communication
server mode
safety-related system
SPU
Cell/BE
A Server Model for Reliable Communication on Cell/BE
会议论文
作者:
Zhou, Rui
;
Chen, Huaming
;
Liu, Qun
;
Sheng, Yong
;
Zhou, Qingguo
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2019/11/15
reliable communication
server mode
safety-related system
SPU
Cell/BE
Hedgehog signaling activation in the development of squamous cell carcinoma and adenocarcinoma of esophagus
期刊论文
International Journal of Biochemistry and Molecular Biology, 2012, 卷号: 3, 期号: 1, 页码: 46-57
作者:
Yang L.
;
Wang L.-S.
;
Chen X.
;
Gatalica Z.
;
Qiu S.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/23
Barrett's esophagus (BE)
Esophageal adenocarcinoma (EAC)
Esophageal squamous cell carcinoma (ESCC)
Gli2
Hedgehog (Hh)
Human homologue of hedgehog-interaction protein (HHIP)
Patched -1 (PTCH1 for humans and ptch1 for animals)
Rat model
sFRP-1
Cell BE高性能计算实验平台设计与实现
期刊论文
实验室研究与探索, 2011, 卷号: 30, 页码: 68-71
作者:
柴亚辉[1]
;
沈文枫[2]
;
张倬[3]
;
唐振[4]
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2019/04/30
Cell
BE
高性能计算
实验平台
四叉树
Dynamic Block Prefetching for Tree Search
会议论文
2011 INTERNATIONAL CONFERENCE ON ELECTRONICS, COMMUNICATIONS AND CONTROL (ICECC), 2011-09-09
作者:
Zhang, Zhuo[1]
;
Yue, Jiayuan[2]
;
Shen, Wenfeng[3]
;
Xu, Weimin[4]
;
Zheng, Yanheng[5]
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2019/04/30
software prefetching
tree search
Cell BE
SIMD
Proteomic analysis of cold stress responses in tobacco seedlings
期刊论文
African Journal of Biotechnology, 2011, 卷号: 10, 期号: 82, 页码: 18991-19004
作者:
Jin, Yan
;
Zhang, Caohao
;
Yang, Hui
;
Yang, Yuhong
;
Huang, Chengjiang
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2019/12/23
Cold stress is one of the major abiotic stresses limiting the productivity and the geographical distribution of many important crops. To gain a better understanding of cold stress responses in tobacco (Nicotiana tabacum)
we carried out a comparative proteomic analysis. Five-week-old tobacco seedlings were treated at 4°C for 4 h. Cold treatment resulted in stress phenotypes of smoothing and shallowing leaves and increased relative electrolyte leakage. The expression changes of total proteins in tobacco leaves were examined using two-dimensional electrophoresis. Quantitative image analysis revealed a total of 101 protein spots that changed their intensities significantly
21 protein spots were down-regulated
eight were up-regulated after the cold treatment
50 protein spots only expressed in the control sample
while 22 protein spots were only present in the cold treatment sample. Mass spectrometry analysis allowed the identification of 73 differentially expressed proteins
including well known and novel cold-responsive proteins. The identified proteins are involved in several processes such as photosynthesis
protein processing
redox homeostasis
ribonucleic acid (RNA) processing
signal transduction
translation
cell division/cycle
and metabolisms of carbon and energy. Several types of proteins showed enhanced degradation during chilling stress
especially the photosynthetic proteins. Gene expression analysis of 25 different proteins by reverse transcriptase- polymerase chain reaction (RT-PCR) showed that the messenger RNA (mRNA) levels of 18 genes correlated well with the protein levels. In conclusion
our study provides new insights into cold stress responses in tobacco and needs to be further studied in future.
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