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| 1 | Research on Fluoride Concentration in the Atmosphere in Spring and Winter of Baoding City显示文摘[Objective]The study aimed to discuss air pollution by fluoride in spring and winter of Baoding City. [Method]Using fluor reagent spectrophotometry,fluoride concentration in the atmosphere in spring and winter of Baoding City was detection,and its air pollution by fluoride was assessed. [Result]In winter,atmospheric fluoride concentration in Baoding City was 0. 009- 0. 052 μg /L,and the average detected rate of atmospheric fluoride concentration in the campus of Hebei University was 80%. In spring,atmospheric fluoride concentration was 0. 018- 0. 059 μg /L, and the detected rate was 94%. Compared with winter,air pollution by fluoride was more serious in spring. During a day,the peaks of fluoride concentration in the atmosphere appeared from 10: 00 to 11: 00 or at 14: 00. A rain could reduce fluoride concentration in the atmosphere and make the air clean. [Conclusion]The research could provide scientific references for the effective control of air pollution by fluoride in Baoding City. | Jie Liu Zhanchen Li Shuangshuang Ge | 2013 | Meteorological and Environmental Research2013，4，10： | 1 |
| 2 | Dispersal of invasive Phytolacca americana seeds by birds in an urban garden in China显示文摘Although seed dispersal is a key process determining the regeneration and spread of invasive plant populations,few studies have explicitly addressed the link between dispersal vector behavior and seedling recruitment to gain insight into the invasion process within an urban garden context.We evaluated the role of bird vectors in the dispersal of pokeweed(Phytolacca americana),a North American herb that is invasive in urban gardens in China.Fruiting P.americana attracted both generalist and specialist bird species that fed on and dispersed its seeds.The generalist species Pycnonotus sinensis and Urocissa erythrorhyncha were the most frequent dispersers.Seedling numbers of P.americana were strongly associated with the perching behavior of frugivorous birds.If newly recruited bird species use seedling-safe perching sites,the P.americana will regenerate faster,which would enhance its invasive potential.Based on our observations,we conclude that the 2 main bird vectors,P.sinensis and U.erythrorhyncha,provide potential effective dispersal agents for P.americana.Our results highlight the role of native birds in seed dispersal of invasive plants in urban gardens. | Ning LI Wen YANG Shubo FANG Xinhai LI Zhanchen LIU Xin LENG Shuqing AN | 2017 | Integrative Zoology2017，12，1： | 1 |
| 3 | Fabrication of New Transparent and Hydrophilic Hybrid Anti-fog Coating from Silane Coupler Modified by Polyethylene Glycols显示文摘 | JIANG Yuhang LI Yao WANG Xuesong PIAO Linglan SHI Zuosen CUI Zhanchen | 2017 | Chemical Research in Chinese Universities2017，33，1： | 1 |
| 4 | Phosphorus Fractions in Water and Sediment and Their Correlations in Hengshui Lake, China显示文摘 | Zhanchen Li Fang Liu Zhe Qin Shuxuan Liang | 2016 | Journal of Environmental Science and Engineering(A)2016，5，7： | 0 |
| 5 | Silver Chloride Loaded Hollow Mesoporous Silica Particles and Their Application in the Antibacterial Coatings on Denture Base显示文摘 | LI Xianliang SHI Zuosen CUI Zhanchen ZHU Song | 2018 | Chemical Research in Chinese Universities2018，34，3： | 0 |
| 6 | A Topology-Matching Spike Protein-Capping Tetrahedral DNA Nanocrown for SARS-CoV-2 Neutralization显示文摘The constantly mutating severe acute respiratory syndrome coronavirus-2(SARS-CoV-2)poses great risk of efficacy loss to the present neutralizing therapeutics.Thus,it is urgently needed to develop versatile strategies that enable rapid design and engineering of potent neutralizing therapeutics for newly emerging variants.Herein,we present an unprecedented DNA nanocrown that can topologically match and multivalently bind the S-trimer of SARS-CoV-2 and thereby inhibit its infection to host cells.A neutralizing aptamer binding the N-terminal domain(NTD)supersite of the S protein was first screened and identified.It was further elaborately engineered onto the best fitting tetrahedral DNA nanostructure to form a spike protein-capping nanocrown,which can effectively block not only wild-type(WT)SARS-CoV-2 pseudovirus,but also several important mutants including D614G,N501Y,andΔ69–70.Significantly,it can evidently diminish the RNA copies of authentic WT SARS-CoV-2 in host cells by 4.6 orders of magnitude.Therefore,utilizing the aptamer selection method and the dedicated engineering route,our topology-matching DNA framework provides a versatile platform for SARS-CoV-2 inhibition and has the potential to be facilely expanded to newly emerging variants and other fatal coronaviruses. | Jingran Chen Shuxin Xu Qing Ye Hang Chi Ying Li Mei Wu Baochao Fan Zhanchen Guo Cheng-Feng Qin Bin Li Zhen Liu | 2023 | CCS Chemistry2023，5，6： | 0 |
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