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Determination of abscisic acid based on the fluorescent quenching of quantum dots

Science China chemistry 2010年第1期53卷 245-249页

作者： zhang lei,guan hongliang & he zhike key laboratory of analytical chemistry for biology and medicine,ministry of education College of chemistry and Molecular Sciences,Wuhan University,Wuhan 430072,China 1. key laboratory of analytical chemistry for biology and medicine Ministry of Education College of chemistry and Molecular Sciences Wuhan University Wuhan 430072 China

The quenching mechanism of the fluorescence of quantum dots by abscisic acid has been systematically *** quenching constant KSV = 5.1 × 1011 / M was obtained under the optimized *** the basis of that,a very sensitive method for the determination of abscisic acid has been *** linear equation was F0/F = 0.9309 + 0.5072 C(pmol/L) and its linear range was 0.2-3.0 pmol/L with a correlation coefficient of *** limit of detection was 0.09 pmol/L.

关键词： abscisic acid quantum dots superquenching

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DNA Functionalized Fluorescent Quantum Dots for Bioanalytical Applications

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Chinese Journal of chemistry 2016年第3期34卷 317-325页

作者： Cuiling zhang Caiping Ding Dongshan Xiang Li Li Xinghu Ji zhike he Yuezhong Xian School of chemistry and Molecular Engineering East China Normal University Shanghai 200241 China key laboratory of analytical chemistry for biology and medicine (ministry of education) Wuhan University Wuhan Hubei 430072 China School of Chemical and Environmental Engineering Hubei University for Nationalities Enshi Hubei 445000 China

As a newly developed fluorescent probe, DNA functionalized quantum dots （QDs） with unique optical proper- ties play a critical role in the bioanalytical applications. The present review provides an overview on the conjugation technologies of DNA to QDs, including electrostatic attraction, covalent attachment, specific effect and direct syn- thesis. In addition, we summarize recent advances on DNA functionalized QDs in the bioapplications, such as tar- geting nucleic acids, ions, small molecules and the protein detection, cell imaging and disease diagnosis. Finally, we envision aspects concerning current challenges on the DNA functionalized fluorescent QDs.

关键词： quantum dots DNA conjugation fluorescence bioapplications

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番茄潜叶蛾综合防控技术研究进展

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植物保护 2023年第2期49卷 6-12,21页

作者：吴圣勇张起恺张烨刁红亮张治科唐良德张田园张晓明雷仲仁中国农业科学院植物保护研究所植物病虫害综合治理全国重点实验室北京100193 山西农业大学植物保护学院太原030031 宁夏农林科学院植物保护研究所银川750002 贵州大学绿色农药与农业生物工程教育部重点实验室贵阳550025 河南济源示范区农业农村局济源459000 云南农业大学植物保护学院云南生物资源保护与利用国家重点实验室昆明650201

番茄潜叶蛾Phthorimaea absoluta Meyrick起源于南美洲的秘鲁,是一种世界检疫性入侵害虫,目前已经扩散到全球100多个国家,严重威胁全球番茄产业。该虫于2017年入侵我国新疆伊犁,之后在南方多个省份相继被发现,且呈现扩散趋势,危害范围... 详细信息

番茄潜叶蛾Phthorimaea absoluta Meyrick起源于南美洲的秘鲁,是一种世界检疫性入侵害虫,目前已经扩散到全球100多个国家,严重威胁全球番茄产业。该虫于2017年入侵我国新疆伊犁,之后在南方多个省份相继被发现,且呈现扩散趋势,危害范围加大。本文从农业防治、化学防治、生物防治、物理防治等方面总结番茄潜叶蛾原发地和入侵国的防治进展及治理经验,并结合我国实际提出建议,为国内番茄潜叶蛾的有效治理和抑制其扩散提供参考。

关键词：番茄潜叶蛾入侵害虫农业防治化学防治生物防治物理防治害虫综合防控(IPM)

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A Super Pan-Genomic Landscape of Rice

A Super Pan-Genomic Landscape of Rice

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首届植物科学前沿学术大会

作者： Lianguang Shang Xiaoxia Li Huiying he Qiaoling Yuan Yanni Song Zhaoran Wei Hai Lin Min Hu Fengli Zhao Chao zhang Yuhua Li Hongsheng Gao Tianyi Wang Xiangpei Liu Hong zhang Ya zhang Shuaimin Cao Xiaoman Yu Bintao zhang Yong zhang Yiqing Tan Mao Qin Cheng Ai Yingxue Yang Bin zhang Zhiqiang Hu Hongru Wang Yang Lv Yuexing Wang Jie Ma Quan Wang Hongwei Lu Zhe Wu Shanlin Liu Zongyi Sun hongliang zhang Longbiao Guo Zichao Li Yongfeng Zhou Jiayang Li Zuofeng Zhu Guosheng Xiong Jue Ruan Qian Qian Shenzhen Branch Guangdong Laboratory of Lingnan Modern AgricultureGenome Analysis Laboratory of the Ministry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural Sciences State key laboratory for Agrobiotechnology National Center for Evaluation of Agricultural Wild Plants (Rice)Key Laboratory of Crop Heterosis and Utilization (MOE)College of Agronomy and BiotechnologyDepartment of EntomologyCollege of Plant ProtectionChina Agricultural University Academy for Advanced Interdisciplinary Studies Plant Phenomics Research CenterNanjing Agricultural University Department of Plant and Microbial biology University of CaliforniaBerkeley Department of Integrative biology UC Berkeley State key laboratory of Rice biology China National Rice Research Institute key laboratory of Molecular Design for Plant Cell Factory of guangdong Higher education Institutes Institute of Plant and Food ScienceDepartment of BiologySchool of Life SciencesSouthern University of Science and Technology State key laboratory of Plant Genomics Institute of Genetics and Developmental BiologyChinese Academy of Sciences

Pan-genomes from large natural populations can capture genetic diversity and reveal genomic *** de novo long-read assembly,we generated a graphbased super pan-genome of a 251-accession panel comprising both cultivated and wild species of Asian and African *** pan-genome reveals extensive structural variations(SVs) and gene presence/absence ***,our pan-genome enables the accurate identification of nucleotide-binding leucine-rich repeat genes and characterization of their inter-and intraspecific ***,we uncovered grain weight-associated SVs which specify traits by affecting the expression of their nearby *** characterized genetic variants associated with submergence tolerance,seed shattering and plant architecture and found independent selection for a common set of genes that drove adaptation and domestication in Asian and African *** super pan-genome facilitates pinpointing of lineage-specific haplotypes for trait-associated genes and provides insights into the evolutionary events that have shaped the genomic architecture of various rice species.

关键词： rice pan-genome NLR QTL SV domestication

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