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Journal Article 4

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2017 1

2014 2

2013 1

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bioassay 3

assimilable organic carbon (AOC) 1

biological stability 1

dioxin-like effect 1

drug delivery 1

endocrine disruption 1

ferritin 1

in vitro bioassay 1

molecular imaging 1

nanomedicine 1

reclaimed water 1

sewage sludge 1

soil microbial activity 1

test bacterial strains 1

toxicity 1

waste foundry sand 1

waste reuse 1

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Functional ferritin nanoparticles for biomedical applications

Zhantong Wang, Haiyan Gao, Yang Zhang, Gang Liu, Gang Niu, Xiaoyuan Chen

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 633-646 doi: 10.1007/s11705-017-1620-8

Abstract: This review will highlight the recent advances in ferritin nanoparticles for drug delivery, bioassay,

Keywords： nanomedicine     ferritin     drug delivery     bioassay     molecular imaging    

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Evaluation of soil microbial toxicity of waste foundry sand for soil-related reuse

Haifeng ZHANG, Lu SU, Xiangyu LI, Jiane ZUO, Guangli LIU, Yujue WANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 89-98 doi: 10.1007/s11783-013-0591-3

Abstract: The relationship between the chemical contaminants and soil microbial toxicity of waste foundry sand (WFS) was investigated. Five different types of WFS from typical ferrous, aluminum, and steel foundries in China were examined for total metals, leachable metals, and organic contaminants. The soil microbial toxicity of each WFS was evaluated by measuring the dehydrogenase activity (DHA) of a blended soil and WFS mixture and then comparing it to that of unblended soil. The results show that the five WFSs had very different compositions of metal and organic contaminants and thus exhibited very different levels of soil microbial inhibition when blended with soil. For a given WFS blended with soil in the range of 10 wt.%–50 wt.% WFS, the DHA decreased almost linearly with increased blending ratio. Furthermore, for a given blending ratio, the WFSs with higher concentrations of metal and organic contaminants exhibited greater microbial toxicity. Correlation analysis shows that the relationship between ecotoxicity and metal and organic contaminants of WFSs can be described by an empirical logarithmic linear model. This model may be used to control WFS blending ratios in soil-related applications based on chemical analysis results to prevent significant inhibition of soil microbial activity.

Keywords： waste foundry sand     toxicity     bioassay     soil microbial activity     waste reuse    

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Improvement of the assimilable organic carbon (AOC) analytical method for reclaimed water

Xin ZHAO, Hongying HU, Shuming LIU, Feng JIANG, Xiaolei SHI, Mingtang LI, Xueqiao XU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 483-491 doi: 10.1007/s11783-013-0525-0

Abstract: Key aspects of the bioassay including inoculum cell density, incubation temperature, incubation time

Keywords： assimilable organic carbon (AOC)     bioassay     biological stability     reclaimed water     test bacterial strains    

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Evaluation of endocrine disruption and dioxin-like effects of organic extracts from sewage sludge in autumn in Beijing, China

LIU Cao,XU Yiping,MA Mei,HUANG Bingbin,WU Jingdong,MENG Qingyi,WANG Zijian,GEARHEART Robert Alan

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 433-440 doi: 10.1007/s11783-013-0594-0

Abstract: Study on effective disposal and utilization of sewage sludge has recently been the target of growing interest in China. However, potential risks are associated with the use of sludge due to its contamination with toxic organics, heavy metals and pathogenic microorganisms. In this study, a screening assessment was conducted on sewage sludge samples collected from 17 different sewage treatment plants in Beijing, based on a batch of in vitro bioassays, including a set of recombinant gene yeast assays for endocrine disruption, and an ethoxy resorufin-O-deethylase (EROD) assay using H4IIE cells for aryl hydrocarbon receptor (Ah-R) agonistic activities. Our results suggested that moderate levels of estrogen receptor agonistic activities (0.9 ng E2·g to 6.8 ng E2·g , dw), but relative higher androgen receptor antagonistic activities (nd to 45%), progestin receptor antagonistic activities (nd to 80%) and Ah-R agonistic activities (1390 to 6740 pg 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)·g , dw) were found in sewage sludge samples. However, there were no significant correlations between the toxic effects of sewage sludge and the sewage treatment processes. In addition, the 17β-estradiol (E2) equivalent quantity (EEQ) level of the sewage sludge was increased after the composting treatment, whereas the 2,3,7,8-tetrachlorodibenzo- -dioxin toxic equivalent quantity (TEQ) level of sewage sludge composted was much lower than that of sewage sludge.

Keywords： sewage sludge     in vitro bioassay     endocrine disruption     dioxin-like effect    

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Title Author Date Type Operation

Functional ferritin nanoparticles for biomedical applications

Zhantong Wang, Haiyan Gao, Yang Zhang, Gang Liu, Gang Niu, Xiaoyuan Chen

Journal Article

Evaluation of soil microbial toxicity of waste foundry sand for soil-related reuse

Haifeng ZHANG, Lu SU, Xiangyu LI, Jiane ZUO, Guangli LIU, Yujue WANG

Journal Article

Improvement of the assimilable organic carbon (AOC) analytical method for reclaimed water

Xin ZHAO, Hongying HU, Shuming LIU, Feng JIANG, Xiaolei SHI, Mingtang LI, Xueqiao XU

Journal Article

Evaluation of endocrine disruption and dioxin-like effects of organic extracts from sewage sludge in autumn in Beijing, China

LIU Cao,XU Yiping,MA Mei,HUANG Bingbin,WU Jingdong,MENG Qingyi,WANG Zijian,GEARHEART Robert Alan

Journal Article