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| 1 | Thermo-responsive imprinted hydrogel with switchable sialic acid recognition for selective cancer cell isolation from blood显示文摘In this work,a sialic acid(SA)-imprinted thermo-responsive hydrogel layer was prepared for selective capture and release of cancer cells.The SA-imprinting process was performed at 37℃ using thermo-responsive functional monomer,thus generating switchable SA-recognition sites with potent SA binding at 37℃and weak binding at a lower temperature(e.g.,25℃).Since SA is often overexpressed at the glycan terminals of cell membrane proteins or lipids,the SA-imprinted hydrogel layer could be used for selective cancer cell recognition.Our results confirmed that the hydrogel layer could efficiently capture cancer cells from not only the culture medium but also the real blood samples.In addition,the captured cells could be non-invasively released by lowing the temperature.Considering the non-invasive processing mode,considerable capture efficiency,good cell selectivity,as well as the more stable and durable SA-imprinted sites compared to natural antibodies or receptors,this thermo-responsive hydrogel layer could be used as a promising and general platform for cell-based cancer diagnosis. | Yue Ma Yimei Yin Li Ni Haohan Miao Yingjia Wang Cheng Pan Xiaohua Tian Jianming Pan Tianyan You Bin Li Guoqing Pan | 2021 | Bioactive Materials2021，6，5： | 1 |
| 2 | Research on Soil Conservation and Improvement Technology in Zhaoyang District显示文摘The environment of tobacco-growing soil directly affects the yield and quality of tobacco leaves.In order to solve problems of tobacco-growing soil degradation,low organic matter content and unbalanced soil nutrient supply and promote sustainable and healthy development of tobacco production,this paper comprehensively discussed conservation and improvement techniques of tobacco-growing soil based on existing problems in Zhaoyang District,aiming to provide reference for tobacco-growing soil conservation. | Jing YANG Shifu ZHONG Liting FANG Wei YAN Shixian PU Dianli MA Wenkai XIA Haohan GONG Mengsheng ZHANG Yeming FU Xia NI | 2024 | Agricultural Biotechnology2024，13，1： | 0 |
| 3 | Effects of Microbial Fertilizers in Improving Acidic Tobacco-planting Soil and Tobacco Leaf Quality显示文摘[Objectives]This study was conducted to improve acidic soil and enhance the quality of tobacco leaves.[Methods]The effects of different microbial fertilizers on improving acidic tobacco-planting soil and tobacco leaf quality were investigated through plot experiments.[Results]The application of microbial fertilizers could improve the pH value of acidic soil,and composite microbial agent A showed the best application effect.The application of bio-organic fertilizer was beneficial to improving the contents of available phosphorus and available boron in acidic soil.The application of composite microbial agent A was beneficial to improving the contents of available phosphorus and available potassium in acidic soil,and could promote the growth of tobacco plants and improve the economic traits of flue-cured tobacco and the coordination of chemical components in tobacco leaves.The application of composite microbial agent B led to a downward trend in the content of available boron in acidic soil.The application of composite microbial agent B could promote the absorption of nutrients by tobacco plants,and improve their disease resistance and the quality of tobacco leaves.Due to the differences in functional microorganisms contained,the application effects of different microbial fertilizers in improving acidic tobacco-planting soil and improving tobacco leaf quality varied.Overall,the application of microbial fertilizers could increase soil pH,activate soil nutrients,promote tobacco growth,enhance disease resistance,increase tobacco output value,and improve tobacco quality.Microbial fertilizers have good application prospects in improving acidic soil and improving tobacco quality.[Conclusions]The application of microbial fertilizers to improve acidic tobacco-planting soil can ensure the normal growth and development of tobacco plants and the improvement of tobacco leaf quality,achieving high-quality and sustainable development of Zhaotong tobacco. | Xia NI Shungang SHEN Xianyi ZENG Dewen LI Yeming FU Min CHEN Chaokai YU Libing QI Ying-guo RUAN Changchong ZI Haohan GONG Guangjun HU Mengsheng ZHANG Xu ZHANG Shu PENG Hongbing LI | 2023 | Agricultural Biotechnology2023，12，2： | 0 |
| 4 | Effects of Different Chemical Fertilizer Reduction Techniques on Flue-cured Tobacco Production显示文摘[Objectives]This study was conducted to find out the most suitable special formula fertilizer for flue-cured tobacco production in tobacco-growing areas of Zhaotong City,so as to provide a basis for scientific fertilization and reduced application of inorganic fertilizers with improved efficiency in tobacco production in Zhaotong City.[Methods]Different formulas of special base fertilizer and special topdressing for tobacco were designed by optimizing and adjusting the application amounts and proportions of nitrogen,phosphorus,potassium and medium trace elements in fertilizer formulas,and the formulas of special base fertilizer and special topdressing for flue-cured tobacco production were selected through a field plot experiment.[Results]The combination of special base fertilizer and special topdressing was conducive to the early growth and rapid growth of tobacco plants under the condition of reduced fertilizer application,and the treatment using organic-inorganic compound fertilizer as the special base fertilizer was the most obvious,with an average growth period of two days increased.Compared with conventional fertilization,the yield,output value,average price,proportion of superior tobacco and proportion of medium and superior tobacco increased in the organic-inorganic compound fertilizer treatment,with the yield increasing by 5.96%,the output value increasing by 17.08%,the average price increasing by 10.49%,the proportion of superior tobacco increasing by 4.63%,and the proportion of medium and superior tobacco increasing by 2.44%.It was concluded from indexes including growth period,agronomic traits,disease incidence and economic traits,the fertilization mode of organic-inorganic compound fertilizer with the addition of trace elements(boron,magnesium and zinc)applied as the base fertilizer and nitrogen and potassium topdressing was most efficient and economic.[Conclusions]This study provides a basis for scientific fertilization and reduced application of inorganic fertilizers with improved efficiency in tobacco production in Zhaotong City. | Longfeng GUI Lei XIA Jing YANG Wei YAN Yu ZHOU Yuzhong ZHOU Haohan GONG Mengsheng ZHANG Yeming FU Xianyi ZENG Xia NI | 2023 | Agricultural Biotechnology2023，12，6： | 0 |
| 5 | Evolution of precipitate and precipitate/matrix interface in Al-Zn-Mg-Cu(-Ag)alloys显示文摘Evolution of precipitate and precipitate/matrix interface in artificially aged Al-Zn-Mg-Cu(-Ag)alloys has been systematically studied.In the early stage of ageing,Ag,as a fast diffuser,can promote the formation of solute pairs and small clusters.Solute clusters are further demonstrated to be able to act as precursors forη’precipitates by in-situ STEM heating.With prolonged ageing time,the precipitate/matrix interface evolves from the Zn-dominated interface between early-stageη’and Al matrix to the Zn and Mg co-segregatedη’/Al andη_(2)/Al interfaces.Theη’/Al interfacial layers are shown to precede the formation ofη’,while theη_(2)/Al interfaces are found to be closely related to the thickening process ofη_(2)and the involved particular atomic movements are specified.Experimental observations and DFT calculations re-veal that forη’andη_(2),Ag can dissolve into the precipitate as well as locate at the precipitate/matrix interface without showing preference.For Cu,its dissolution in the precipitate and segregation on the interface mainly occur forη_(2)rather thanη’.The incorporation of Ag and Cu does not change the defined precipitate structure. | Xingpu Zhang Zhongkang Han Liangliang Xu Haohan Ni Xiaojuan Hu Haofei Zhou Yu Zou Jiangwei Wang | 2023 | Journal of Materials Science & Technology2023，，7： | 0 |
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