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天麻褐腐病与土壤微生物菌群结构的关联分析

中国实验方剂学杂志 2020年第24期26卷 153-160页

作者：唐鑫张进强滕力庆周涛袁青松江维克郭兰萍徐娇王晓张光文潘成贵州中医药大学贵阳550025 中国中医科学院中药资源中心北京100700 山东省分析测试中心济南250014 贵州乌蒙腾菌业有限公司贵州大方551600

目的:研究褐腐天麻与土壤微生物菌群的组成及变化,阐述天麻种植过程中天麻褐腐病与土壤微生物菌群之间的关系,为揭示天麻褐腐病的原因提供理论基础。方法:采用内转录间隔区(ITS)和16S rDNA高通量测序技术,分别对健康、褐腐天麻及其周际... 详细信息

目的:研究褐腐天麻与土壤微生物菌群的组成及变化,阐述天麻种植过程中天麻褐腐病与土壤微生物菌群之间的关系,为揭示天麻褐腐病的原因提供理论基础。方法:采用内转录间隔区(ITS)和16S rDNA高通量测序技术,分别对健康、褐腐天麻及其周际土壤中真菌和细菌的微生物多样性、群落组成结构、群落结构相似性进行分析。结果:与健康组相比,褐腐天麻及其土壤中真菌和细菌分类单元(OTUs)数目均有增加,且土壤中真菌、细菌丰富度和多样性显著增高,褐腐天麻真菌多样性显著降低,细菌多样性显著增高。在属分类水平上,健康天麻及其周际土壤中的优势真菌属为被孢霉属Mortierella,该属在褐腐天麻及其土壤中分别减少7.62%和15.75%,优势细菌属为慢生根瘤菌属Bradyrhizobium和Burkholderia-Paraburkholderia;褐腐天麻及其周际土壤中的优势真菌属为土赤壳属Ilyonectria,优势细菌属分别为沙雷氏菌属Serratia和慢生根瘤菌属Bradyrhizobium。结论:褐腐天麻与其周际土壤中真菌菌群具有极高相似度,说明土壤微生物真菌群落变化在一定程度上造成天麻褐腐病的发生,其中褐腐天麻真菌群落组成中致病真菌土赤壳属Ilyonectria成为优势菌属,推测该菌属可能含有天麻褐腐病的致病菌。

关键词：天麻土壤微生物多样性褐腐病

Butterfly-wing hierarchical metallic glassy nanostructure for surface enhanced Raman scattering

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Nano Research 2019年第11期12卷 2808-2814页

作者： Hongyu jiang Jing Li Chengrong Cao Xiaozhi Liu Ming Liu Yutian Shen Yanhui Liu qinghua Zhang Weihua Wang Lin Gu Baoan Sun institute of Physics Chinese Academy of SciencesBeijing100190China School of Physical sciences University of Chinese Academy of SciencesBeijing100049China Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing100190China Songshan Lake Materials Laboratory Dongguan523808China

The surface-enhanced Raman spectroscopy(SERS)is a technique for the detection of analytes on the surface with an ultrahigh sensitivity down to the atomic-scale,yet the fabrication of SERS materials such as nanoparticles or arrays of coinage metals often involve multiple complex steps with the high cost and pollution,largely limiting the application of ***,we report a complex hierarchical metallic glassy(MG)nanostructure by simply replicating the surface microstructure of butterfly wings through vapor deposition *** MG nanostructure displays an excellent SERS effect and moreover,a superhydrophobicity and self-cleaning *** SERS effect of the MG nanostructure is attributed to the intrinsic nanoscale structural heterogeneities on the MG surface,which provides a large number of hotspots for the localized electromagnetic field enhancement affirmed by the finite-difference time-domain(FDTD)*** works show that the MG could be a new potential SERS material with low cost and good durability,well extending the functional application of this kind of material.

关键词： metallic glassy structural heterogeneities surface enhanced Raman scattering superhydrophobicity butterfly wing

Measurement of the ^(232)Th(n,f)cross section in the 1-200 MeV range at the CSNS Back-n

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Nuclear Science and Techniques 2023年第8期34卷 142-153页

作者： Zhi-Zhou Ren Yi-Wei Yang Yong-Hao Chen Rong Liu Bang-Jiao Ye Jie Wen Hai-Rui Guo Zi-Jie Han Qi-Ping Chen Zhong-Wei Wen Wei-Li Sun Han Yi Xing-Yan Liu Tao Ye jiang-Bo Bai Qi An Jie Bao Yu Bao Ping Cao Hao-Lei Chen Zhen Chen Zeng-Qi Cui Rui-Rui Fan Chang-qing Feng Ke-qing Gao Xiao-Long Gao Min-Hao Gu Chang-Cai Han Guo-Zhu He Yong-Cheng He Yang Hong Yi-Wei Hu Han-Xiong Huang Xi-Ru Huang Hao-Yu jiang Wei jiang Zhi-Jie jiang Han-Tao Jing Ling Kang Bo Li Chao Li Jia-Wen Li Qiang Li Xiao Li Yang Li Jie Liu Shu-Bin Liu Ze Long Guang-Yuan Luan Chang-Jun Ning Meng-Chen Niu Bin-Bin Qi Jie Ren Xi-Chao Ruan Zhao-Hui Song Kang Sun Zhi-Jia Sun Zhi-Xin Tan Jing-Yu Tang Xin-Yi Tang Bin-Bin Tian Li-Jiao Wang Peng-Cheng Wang Zhao-Hui Wang Xiao-Guang Wu Xuan Wu Li-Kun Xie Xiao-Yun Yang Li Yu Tao Yu Yong-Ji Yu Guo-Hui Zhang Lin-Hao Zhang Qi-Wei Zhang Xian-Peng Zhang Yu-Liang Zhang Zhi-Yong Zhang Lu-Ping Zhou Zhi-Hao Zhou Ke-Jun Zhu Department of Modern Physics University of Science and Technology of ChinaHefei 230026China institute of Nuclear Physics and chemistry China Academy of Engineering PhysicsMianyang 621900China institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China institute of Applied Physics and Computational Mathematics Beijing 100088China State Key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230027China Key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230027China State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China State Key Laboratory of Particle Detection and Electronics Institute of High Energy PhysicsChinese Academy of SciencesBeijingChina Northwest institute of Nuclear Technology Xi’an 710024China University of chinese academy of sciences Beijing 100049China Department of Engineering and Applied Physics University of Science and Technology of ChinaHefei 230026China

The ^(232)Th(n,f)cross section is very important in basic nuclear physics and applications based on the Th/U fuel *** the time-of-flight method and a multi-cell fast-fission ionization chamber,a novel measurement of the^(232)Th(n,f)cross sec-tion relative to^(235)U in the 1–200 MeV range was performed at the china Spallation Neutron Source Back-n white neutron source(Back-n).The fission event-neutron energy spectra of^(232)Th and^(235)U fission cells were measured in the single-bunch *** 232Th/235U fission cross-sectional ratios were obtained,and the measurement uncertainties were 2.5–3.7%for energies in the 2–20 MeV range and 3.6–6.2%for energies in the 20–200 MeV ***^(232)Th(n,f)cross section was obtained by introducing the standard cross section of^(235)U(n,f).The results were compared with those of previous theoreti-cal calculations,measurements,and *** measured 232Th fission cross section agreed with the main evaluation results in terms of the experimental uncertainty,and 232Th fission resonances were observed in the 1–3 MeV *** present results provide^(232)Th(n,f)cross-sectional data for the evaluation and design of Th/U cycle nuclear systems.

关键词： 232Th(n f)cross section Fast-fission ionization chamber Back-n white neutron source

Back-n white neutron source at CSNS and its applications

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Nuclear Science and Techniques 2021年第1期32卷 95-104页

作者： Jing-Yu Tang Qi An jiang-Bo Bai Jie Bao Yu Bao Ping Cao Hao-Lei Chen Qi-Ping Chen Yong-Hao Chen Zhen Chen Zeng-Qi Cui Rui-Rui Fan Chang-qing Feng Ke-qing Gao Xiao-Long Gao Min-Hao Gu Chang-Cai Han Zi-Jie Han Guo-Zhu He Yong-Cheng He Yang Hong Yi-Wei Hu Han-Xiong Huang Xi-Ru Huang Hao-Yu jiang Wei jiang Zhi-Jie jiang Han-Tao Jing Ling Kang Bo Li Chao Li Jia-Wen Li Qiang Li Xiao Li Yang Li Jie Liu Rong Liu Shu-Bin Liu Xing-Yan Liu Ze Long Guang-Yuan Luan Chang-Jun Ning Meng-Chen Niu Bin-Bin Qi Jie Ren Zhi-Zhou Ren Xi-Chao Ruan Zhao-Hui Song Kang Sun Zhi-Jia Sun Zhi-Xin Tan Xin-Yi Tang Bin-Bin Tian Li-Jiao Wang Peng-Cheng Wang Zhao-Hui Wang Zhong-Wei Wen Xiao-Guang Wu Xuan Wu Li-Kun Xie Xiao-Yun Yang Yi-Wei Yang Han Yi Li Yu Tao Yu Yong-Ji Yu Guo-Hui Zhang Lin-Hao Zhang Qi-Wei Zhang Xian-Peng Zhang Yu-Liang Zhang Zhi-Yong Zhang Lu-Ping Zhou Zhi-Hao Zhou Ke-Jun Zhu 无 State Key Laboratory of Particle Detection and Electronics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China institute of Nuclear Physics and chemistry China Academy of Engineering PhysicsMianyang 621900China Key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Spallation Neutron Source Science Center Dongguan 523803China State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Northwest institute of Nuclear Technology Xi’an 710024China University of chinese academy of sciences Beijing 100049China Department of Engineering and Applied Physics University of Science and Technology of ChinaHefei 230026China State Key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China The CSNS Back-n Collaboration

Back-streaming neutrons from the spallation target of the china Spallation Neutron Source(CSNS)that emit through the incoming proton channel were exploited to build a white neutron beam facility(the so-called Back-n white neutron source),which was completed in March *** Back-n neutron beam is very intense,at approximately 29107 n/cm2/s at 55 m from the target,and has a nominal proton beam with a power of 100 kW in the CSNS-I phase and a kinetic energy of 1.6 GeV and a thick tungsten target in multiple slices with modest moderation from the cooling water through the *** addition,the excellent energy spectrum spanning from 0.5 eV to 200 MeV,and a good time resolution related tothe time-of-flight measurements make it a typical white neutron source for nuclear data measurements;its overall performance is among that of the best white neutron sources in the *** with advanced spectrometers,detectors,and application utilities,the Back-n facility can serve wide applications,with a focus on neutron-induced cross-sectional *** article presents an overview of the neutron beam characteristics,the experimental setups,and the ongoing applications at Backn.

关键词： White neutron source Nuclear data measurements Experimental setups Neutron applications

Independent and reproducible hippocampal radiomic biomarkers for multisite Alzheimer’s disease:diagnosis,longitudinal progress and biological basis

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Science Bulletin 2020年第13期65卷 1103-1113,M0004页

作者： Kun Zhao Yanhui Ding Ying Han Yong Fan Aaron F.Alexander-Bloch Tong Han Dan Jin Bing Liu Jie Lu Chengyuan Song pan Wang Dawei Wang qing Wang Kaibin Xu Hongwei Yang Hongxiang Yao Yuanjie Zheng Chunshui Yu Bo Zhou Xinqing Zhang Yuying Zhou Tianzi jiang Xi Zhang Yong Liu Brainnetome Center&National Laboratory of Pattern Recognition Institute of AutomationChinese Academy of SciencesBeijing 100190China School of Biological Science and Medical Engineering Beihang UniversityBeijing 100191China School of Information Science and Engineering Shandong Normal UniversityJi’nan 250358China Department of Neurology Xuanwu Hospital of Capital Medical UniversityBeijing 100053China Department of Radiology Perelman School of MedicineUniversity of PennsylvaniaPhiladelphiaPA 19104USA Department of Psychiatry Yale University School of MedicineNew HavenCT 06511USA Department of Radiology Tianjin Huanhu HospitalTianjin 300350China School of Artificial Intelligence University of Chinese Academy of SciencesBeijing 100049China Center for Excellence in Brain Science and Intelligence Technology Institute of AutomationChinese Academy of SciencesBeijing 100190China Department of Radiology Xuanwu Hospital of Capital Medical UniversityBeijing 100053China Department of Neurology Qilu Hospital of Shandong UniversityJi’nan 250012China Department of Neurology Tianjin Huanhu HospitalTianjin UniversityTianjin 300350China Department of Neurology The Secondary Medical CenterNational Clinical Research Center for Geriatric DiseaseChinese PLA General HospitalBeijing 100853China Department of Radiology Qilu Hospital of Shandong UniversityJi’nan 250012China Department of Radiology The Secondary Medical CenterNational Clinical Research Center for Geriatric DiseaseChinese PLA General HospitalBeijing 100853China Department of Radiology Tianjin Medical University General HospitalTianjin 300052China Center of Alzheimer’s Disease Beijing Institute for Brain DisordersBeijing 100069China beijing institute of Geriatrics Beijing 100053China National Clinical Research Center for Geriatric Disorders Beijing 100053China

Hippocampal morphological change is one of the main hallmarks of Alzheimer’s disease(AD).However,whether hippocampal radiomic features are robust as predictors of progression from mild cognitive impairment(MCI)to AD dementia and whether these features provide any neurobiological foundation remains *** primary aim of this study was to verify whether hippocampal radiomic features can serve as robust magnetic resonance imaging(MRI)markers for *** classifier-based support vector machine(SVM)analysis provided individual-level predictions for distinguishing AD patients(n=261)from normal controls(NCs;n=231)with an accuracy of 88.21%and intersite *** analyses of a large,independent the Alzheimer’s Disease Neuroimaging Initiative(ADNI)dataset(n=1228)reinforced these *** MCI groups,a systemic analysis demonstrated that the identified features were significantly associated with clinical features(e.g.,apolipoprotein E(APOE)genotype,polygenic risk scores,cerebrospinal fluid(CSF)Ab,CSF Tau),and longitudinal changes in cognition ability;more importantly,the radiomic features had a consistently altered pattern with changes in the MMSE scores over 5 years of *** comprehensive results suggest that hippocampal radiomic features can serve as robust biomarkers for clinical application in AD/MCI,and further provide evidence for predicting whether an MCI subject would convert to AD based on the radiomics of the *** results of this study are expected to have a substantial impact on the early diagnosis of AD/MCI.

关键词： Hippocampal radiomic features Multisite Alzheimer’s disease MRI Independent cross-validation Brain biomarker Biological basis

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肺癌适应性治疗中国专家共识

循证医学 2024年第4期24卷 193-200页

作者：吴一龙陆舜程颖周清张嘉涛潘燚汪斌超韩宝惠陈海泉周清华王绿化陈明王洁周彩存刘晓晴马智勇黄诚宋启斌莫树锦钟文昭朱正飞宋勇陈蓉蓉陈克终刘基巍杨帆胡晓桦胡毅杨懿岳东升王群赵军范江陈椿孟庆威闫小龙董晓荣朱波邢力刚李兆澄李子明褚倩陈元林根段建春田攀文范云刘安文刘慧刘哲峰杨农汪步海张同梅信涛刘思阳王志杰马锐于起涛林劼涂海燕姚煜赵明芳王慧娟张海波蔡尚立张绪超李慧杜瀛瀛吴芳严令华崔久嵬王燕邬麟周建娅汪笑男黄媚娟冯卫能周进李力中国抗癌协会肺癌专业委员会广东省临床试验协会/中国胸部肿瘤研究协作组广东省肺癌研究所南方医科大学附属广东省人民医院(广东省医学科学院)广州510080 上海交通大学医学院附属胸科医院上海200030 吉林省肿瘤医院长春130021 复旦大学附属肿瘤医院上海200032 四川大学华西医院成都610041 中国医学科学院肿瘤医院深圳医院广东深圳518116 中山大学肿瘤防治中心广州510060 中国医学科学院肿瘤医院北京100021 同济大学附属上海市肺科医院上海200433 解放军总医院第五医学中心北京100039 郑州大学附属肿瘤医院/河南省肿瘤医院郑州450003 福建省肿瘤医院福州350011 武汉大学人民医院肿瘤中心武汉430060 香港中文大学医学院中国香港东部战区总医院南京210002 北京吉因加科技有限公司北京102206 北京大学人民医院北京100044 大连医科大学附属第一医院辽宁大连116011 广西医科大学第一附属医院南宁530020 解放军总医院北京100071 成都市第三人民医院/西南交通大学医学院成都610031 天津医科大学肿瘤医院天津300060 复旦大学附属中山医院上海200032 北京大学肿瘤医院北京100142 上海交通大学附属上海市第一人民医院上海200025 福建医科大学附属协和医院福州350001 哈尔滨医科大学附属肿瘤医院哈尔滨150081 空军军医大学唐都医院西安710038 华中科技大学同济医学院附属协和医院武汉430022 陆军军医大学第二附属医院-新桥医院重庆400037 山东省肿瘤医院济南250117 华中科技大学同济医学院附属同济医院武汉430030 中国医学科学院肿瘤医院山西医院太原030013 中国科学院大学附属肿瘤医院/浙江省肿瘤医院杭州310022 南昌大学附属第二医院南昌330006 湖南省第二人民医院长沙410035 南京大学医学院附属苏北人民医院江苏扬州225001 首都医科大学附属北京胸科医院北京101149 哈尔滨医科大学附属第二医院哈尔滨150001 暨南大学附属第一医院广州510630 辽宁省肿瘤医院沈阳110042 广西医科大学附属肿瘤医院南宁530012 昆明医科大学第二附属医院昆明650101 西安交通大学第一附属医院西安710061 中国医科大学附属第一医院沈阳110001 广东省中医院广州510120 广州燃石医学检验所有限公司广州510300 安徽医科大学第一附属医院合肥230022 中南大学湘雅二医院长沙410011 上海桐树生物科技有限公司上海200444 吉林大学白求恩第一医院长春130021 湖南省肿瘤医院长沙410013 浙江大学医学院附属第一医院杭州310031 南京世和基因生物技术股份有限公司南京210032 佛山市第一人民医院广东佛山528000 四川省肿瘤医院成都610042 陆军军医大学大坪医院重庆400042 不详

由中国抗癌协会肺癌专业委员会和广东省临床试验协会/中国胸部肿瘤研究协作组主办的“第21届中国肺癌高峰论坛”于2024年3月2日在广州顺利召开。此次论坛以肺癌适应性治疗为主题,从肺癌适应性治疗定义、早中晚期临床应用以及生物标志物... 详细信息

由中国抗癌协会肺癌专业委员会和广东省临床试验协会/中国胸部肿瘤研究协作组主办的“第21届中国肺癌高峰论坛”于2024年3月2日在广州顺利召开。此次论坛以肺癌适应性治疗为主题,从肺癌适应性治疗定义、早中晚期临床应用以及生物标志物对适应性治疗的指导价值等角度展开探讨并达成了专家共识。

关键词：肺癌适应性治疗共识

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双重可逆交联互穿网络聚合物的制备与表征

高分子材料科学与工程 2021年第6期37卷 1-7,16页

作者：李亚东雷冬江小梅邓瑾妮潘毅郑朝晖丁小斌中国科学院成都有机化学研究所四川成都610041 中国科学院大学北京100049

以三联吡啶修饰聚己内酯(PCL-Tpy)、蒽修饰聚四氢呋喃(PTMEG-An)制备得到2种线型结构聚氨酯,混合后向其中先加入金属离子再施加紫外辐照形成热可逆的三联吡啶-金属离子配位键与光可逆的双蒽环加成2种交联,制备出双重可逆交联的动态互穿... 详细信息

以三联吡啶修饰聚己内酯(PCL-Tpy)、蒽修饰聚四氢呋喃(PTMEG-An)制备得到2种线型结构聚氨酯,混合后向其中先加入金属离子再施加紫外辐照形成热可逆的三联吡啶-金属离子配位键与光可逆的双蒽环加成2种交联,制备出双重可逆交联的动态互穿网络(IPN)聚氨酯,利用核磁共振与红外光谱对交联剂和预交联聚合物的化学结构进行表征。紫外-可见吸收光谱、差示扫描量热分析(DSC)与凝胶含量测试表明,蒽交联聚合物随辐照时间加长交联度增加;DSC的测试结果表明,Zn^(2+),Sn^(2+)与Ni^(2+)作为配位中心交联强度与可逆温度区间不同;IPN样品中两相均成形成了交联网络。表征结果表明,设计制备的该IPN样品结构在紫外光与热的多重刺激下分子结构可实现由线型到Semi-IPN以及IPN的可逆转变,两相交联性能容易调控。

关键词：动态聚合物可逆交联多重刺激互穿网络聚合物

双功能单体改进二维共价有机框架材料的光催化析氢性能

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环境化学 2023年第8期42卷 2706-2713页

作者：孙清蒋绍冬牛红云蔡亚岐国科大杭州高等研究院环境学院杭州310024 中国科学院生态环境研究中心环境化学与生态毒理学国家重点实验室北京100085

本研究报道了一种新的三组分合成策略,可以用来提高二维共价有机框架材料(covalent organic frameworks,COFs)的光催化析氢活性.4-氨基苯甲醛(4-aminobenzaldehyde,ABA)既含有氨基又含有醛基,可以作为连接单元和调节剂改变COFs的晶体结... 详细信息

本研究报道了一种新的三组分合成策略,可以用来提高二维共价有机框架材料(covalent organic frameworks,COFs)的光催化析氢活性.4-氨基苯甲醛(4-aminobenzaldehyde,ABA)既含有氨基又含有醛基,可以作为连接单元和调节剂改变COFs的晶体结构、提高其比表面积和改善晶型.光催化析氢实验表明,COFs骨架中ABA的共价整合,使三组分COFs的光催化析氢效率显著高于不含ABA的双组分COFs催化剂,其中Tp-ABAx-TAPB COF光催化析氢速率比Tp-TAPB提升了14.3倍.机理研究表明,ABA结构有效调节了材料的光学带隙大小,增强了COFs光生载流子的分离和迁移效率.

关键词：共价有机框架材料三组分 COFs 双功能单体光催化析氢

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近红外发光铬(Ⅲ)配合物的分子设计与性能

中国科学：化学 2023年第3期53卷 464-473页

作者：潘庆君龚忠亮李仲秋钟羽武北京分子科学国家研究中心中国科学院光化学重点实验室中国科学院分子科学科教融合卓越创新中心中国科学院化学研究所北京100190 中国科学院大学化学科学学院北京100049

高效发光非贵金属配合物的研发是降低光化学研究成本,实现资源利用的有效途径.其中,近红外发光铬(Ⅲ)配合物具有成为高发光量子效率和长寿命光功能材料的潜力.近年来,铬(Ⅲ)配合物的研究取得了突破性的进展,利用三齿大螯合角配体增强场... 详细信息

高效发光非贵金属配合物的研发是降低光化学研究成本,实现资源利用的有效途径.其中,近红外发光铬(Ⅲ)配合物具有成为高发光量子效率和长寿命光功能材料的潜力.近年来,铬(Ⅲ)配合物的研究取得了突破性的进展,利用三齿大螯合角配体增强场分裂能,实现高效自旋翻转近红外发光和相应手性配合物的圆偏振发光.本文讨论了光功能铬(Ⅲ)配合物的分子设计策略及其近红外发光性能,并阐述了其研究现状和存在的问题.最后,对铬(Ⅲ)配合物的发光效率的提升以及手性发光性能的优化等后续研究进行了展望.

关键词：光功能配合物铬(Ⅲ)配合物近红外发光圆偏振发光手性材料