Yuan Wei

Chinese Research Academy of Environmental Sciences

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Shiyou Li

Lanzhou University of Technology

Zushang Su

Temple College

Hong Hou

Chinese Research Academy of Environmental Sciences

Zhizhen Zhang

Zhejiang University

Yuxian Shangguan

Sichuan Academy of Agricultural Sciences

Hailei Su

Chinese Research Academy of Environmental Sciences

Min Zhou

Chinese Research Academy of Environmental Sciences

Xinru Li

Hunan University of Arts and Science

Ping Wang

Northwestern University

Yidong Mi

Chinese Research Academy of Environmental Sciences

Cooperative Institutions

Chinese Academy of Sciences

Chinese Research Academy of Environmental Sciences

University of Chinese Academy of Sciences

Ministry of Agriculture and Rural Affairs

Beijing Normal University

Chinese Academy of Forestry

Tsinghua University

Stephen F. Austin State University

Institute of Earth Environment

Temple College

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Distribution Characteristics and Risk Assessment of Mercury in Sediments From Taihu Lake

Frontiers in Environmental Science (2021)

Hailei Su Di Shi Jiwei Yang Yanru Tao Fuhong Sun

Persistent pollutants are easily accumulated in sediments, which can cause toxicity to benthos and secondary pollution to water. Mercury (Hg), as one kind of bioaccumulative and persistent pollutant, could cause great harm to water ecology and health, and has been widely concerned. The distribution characteristics and ecological risk of Hg in sediments from Taihu Lake were studied. In addition, the sediment quality criterion (SQC) of Hg was derived using tissue-based toxicity data combined with the phase-equilibrium partitioning (EqP) approach, and the ecological risk level of Hg in Taihu Lake sediment was evaluated. The results showed that Hg was detected in all the 30 sediment samples, and the concentrations of Hg ranged from 9.7 ng/g to 237.0 ng/g, with an average of 76.3 ng/g. The SQC of Hg was calculated to be 108.9 ng/g, and the ecological risk of Hg in the sediments of Taihu Lake is in the middle level, indicating that Hg pollution needs to be paid more attention. The results provide support for environmental management and risk assessment of Hg.

Mercury

10.3389/fenvs.2021.695470

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Citations (8)

Study on the preparation of Tamarindus indica L. soft-sweets.

Medicinal plant (2011)

Yu Ming Yuan Wei Yongbin Wang

[Objective]To obtain the Tamarindus indica L. soft-sweet with unique flavor and stable quality. [Method] The soft sweets were prepared by tamarind, maltose, agar, konjac flour, carrageenan, cane sugar, and the quality of which was determined by sensory evaluation method. Based on single factor test, the recipe was optimized through orthogonal design. [Result]The optimum recipe for tamarind soft-sweets was as follows: 120 g tamarind juice, 200 g maltose, 200 g cane sugar, 1.0 g agar, 9.0 g konjac flour, 4.0 g carrageenan. The soft sweets prepared by the optimum recipe were amber and elastic with unique flavor. [Conclusion] This study provides basis for the further development of Tamarindus indica L..

Recipe

Carrageenan

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Investigating the phytoavailability of trace elements in contaminated agricultural soils and health risks via consumption of water spinach grown under field conditions in Zhuzhou, China

Environmental Earth Sciences (2016)

Jining Li Hong Hou Yuan Wei Long Zhao Juan Zhang

Bioconcentration

10.1007/s12665-015-5067-2

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Citations (2)

Application of Enzymes in Natural Sweetener Modifications

Zhongguo tangliao (2005)

Yuan Wei

Natural sweetener, cane-sugar, stevia and liquiritin modified by enzyme methods are summarized, then the drawback and the development of enzyme modification of natural sweetener is described.

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Lime Application Affects Soil Cadmium Availability and Microbial Community Composition in Different Soils

CLEAN - Soil Air Water (2019)

Yuxian Shangguan Yusheng Qin Yu Hua Kun Chen Yuan Wei

The effect of pH increases following lime (Ca(OH) 2 ) addition on soil cadmium (Cd) availability is examined in three soils. The effect of Ca(OH) 2 addition (0–7.5 t ha −1 ) on crop Cd uptake and microbial community composition is evaluated in pot experiments with Chinese cabbage ( Brassica chinensis L.) and rice ( Oryza sativa L.). The soil pH increases significantly (by 1.21–2.57) after Ca(OH) 2 addition, which may be caused by both biological and chemical factors. The soil water‐exchangeable Cd content decreases substantially from 11.7 to 1.4% with Ca(OH) 2 application, and the iron and manganese oxide Cd fractions increase from 24.7 to 37.5%. Ca(OH) 2 significantly reduces the exchangeable Cd in acidic soil but has limited effects in neutral soil. Ca(OH) 2 can inhibit soil Cd activity and plant Cd absorption in acid soil. With increasing Ca(OH) 2 addition, the abundance of microorganisms tends to decrease, especially in the acidic soil, whereas it tends to increase in neutral soil. Principal components analysis and redundancy analysis among the soil environmental factors and the soil microbial phospholipid fatty acids show highly variable microbial community composition among soils and treatments. Soil pH has substantial effects on soil fungi, actinomycetes, and other microorganisms, the abundance of which decreases with increasing soil pH. The continuous use of Ca(OH) 2 has no significant effects on the abundance and distribution of soil microorganisms.

Soil acidification

10.1002/clen.201800416

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Citations (17)

Characteristic of Saturated Hydrocarbons in Total Suspended Particulate from an Underground Garage

International Conference on Bioinformatics and Biomedical Engineering (2010)

Changyan Qiu Hongling Yin Qing Ling Yingchun Yang Zhixiang Ye

Total suspended particulates (TSP) were collected from March 16, 2009 to March 20, 2009 at an underground garage in Chengdu University of Information Technology. Concentrations of TSP and its saturated hydrocarbons and other molecular markers were analyzed to characterize the pollution of vehicles in underground garage. Concentrations of TSP were higher during the daytime(182.4-226.6 μg m ^-3 ) than the nighttime's (111.6-134.3 μg m ^-3 ). The Σn-alkane ranged from C ₁₂ to C ₃₆ and daily concentration of n-alkanes at sampling site ranged from 261 to 551 ng m ^-3 with an average of 425 ng m ^-3 . The Carbon preference index (CPI) values ranging from 1.103 to 1.324 for the underground garage, indicated the strong influence of anthropogenic sources (vehicular). Series of Hopanes and Steranes were observed in the TSP samples, which indicated a petroleum origin.

10.1109/icbbe.2010.5516146

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Uptake of Heavy Metals by Native Herbaceous Plants in an Antimony Mine (Hunan, China)

CLEAN - Soil Air Water (2013)

Liang Xue Jianfeng Liu Shengqing Shi Yuan Wei Ermei Chang

Abstract A field survey of native herbaceous plants and associated soil in an antimony mining area of Xikuangshan, Hunan Province, China was conducted to identify species that accumulate heavy metals in their tissues. The results indicate that the soils in the mining area were contaminated mainly by As and Sb, at concentrations of 423.77–526.57 and 228.37–445.20 mg/kg, respectively. Of the herbaceous plants, Miscanthus sinensis and Imperata cylindrica exhibited Hg and Cd phytoextraction, with bioconcentration factors (BCFs) and translocation factors (TFs) greater than 1. Moreover, Phytolacca americana could be used for the phytostabilization of Pb and Cd (BCF = 1.06 and 7.66, respectively), and Cynodon dactylon had considerable potential for As and Sb stabilization (BCF = 2.02 and 6.62, respectively). Boehmeria was capable of accumulating Sb and As in its shoots (TF = 3.12 and 4.86, respectively). Additionally, the concentration of Sb in the roots of C. dactylon reached 2209.3 mg/kg, which is the highest Sb concentration reported in a plant species to date. Our data suggest that native herbaceous plants growing in metal‐contaminated sites have phytoremediation potential.

Cynodon dactylon

Herbaceous plant

Imperata

Bioconcentration

Miscanthus sinensis

10.1002/clen.201200490

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Citations (45)

The extraction, separation and purification study of polysaccharide on Coix lacryma-jobi L.var.mayuen(Roman.) Stapf

jOURNAL OF southwest University for Nationalities (2009)

Yuan Wei

Objective:To establish the extraction, separation and purification technology of the polysaccharide from the root, stem and leaf in C.lacryma-jobi L.var.mayuen(Roman.) Stapf.Methods:The orthogonal design, Sevag and trichloroacetic acid method are adopted.Results:The best extraction condition is 12 times with water extracted twice and 1 h each time.Both Sevag and trichloroacetic acid method could remove its protein.Conclusion:This experiment establishes the foundation of further research on C.lacryma-jobi L.var.mayuen(Roman.) Stapf.

Trichloroacetic acid

Coix

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The role of arbuscular mycorrhizal fungi in plant uptake, fractions, and speciation of antimony

Applied Soil Ecology (2016)

Yuan Wei Qing Su Zaijin Sun Shen Ya-qin JiNing Li

Bioconcentration

Arbuscular mycorrhiza

Rhizophagus irregularis

Biogeochemical Cycle