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Nano-Micro Letters 2024年第9期16卷 432-448页

作者： Yirong Wang yaohui cheng Chunchun Yin Jinming Zhang Jingxuan You Jizheng Wang Jinfeng Wang Jun Zhang Institute of Chemistry Chinese Academy of Sciences(CAS)Beijing 100190People’s Republic of China University of Chinese Academy of Sciences Beijing 100049People’s Republic of China Nanjing University Nanjing 210023People’s Republic of China Wuhan Textile University Wuhan 430200People’s Republic of China

In perovskite solar cells(PSCs),the inherent defects of perovskite film and the random distribution of excess lead iodide(PbI_(2))prevent the improvement of efficiency and ***,natural cellulose is used as the raw material to design a series of cellulose derivatives for perovskite crystallization *** cationic cellulose derivative C-Im-CN with cyano-imidazolium(Im-CN)cation and chloride anion prominently promotes the crystallization process,grain growth,and directional orientation of ***,excess PbI_(2)is transferred to the surface of perovskite grains or formed plate-like crystallites in local *** effects result in suppressing defect formation,decreasing grain boundaries,enhancing carrier extraction,inhibiting non-radiative recombination,and dramatically prolonging carrier ***,the PSCs exhibit a high power conversion efficiency of 24.71%.Moreover,C-Im-CN has multiple interaction sites and polymer skeleton,so the unencapsulated PSCs maintain above 91.3%of their initial efficiencies after 3000 h of continuous operation in a conventional air atmosphere and have good stability under high humidity *** utilization of biopolymers with excellent structure-designability to manage the perovskite opens a state-of-the-art avenue for manufacturing and improving PSCs.

关键词： Perovskite Solar cells Defect passivation Biomass additives Crystal orientation

Eco-friendly fractionation of natural straws:sustainable ultralong room-temperature phosphorescence and super anti-ultraviolet materials

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Science China Chemistry 2024年第7期67卷 2373-2381页

作者： Zhenghao Xia Jingxuan You Haojie An Yirong Wang Jinming Zhang Chunchun Yin yaohui cheng Kunfeng Jin Jun Zhang CAS Key Laboratory of Engineering Plastics Institute of ChemistryChinese Academy of Sciences(CAS)Beijing 100190China School of Chemical Sciences University of Chinese Academy of SciencesBeijing 100049China HongDa Research Institute Co. Ltd.Beijing 100176China Key National Laboratory of Solid State Microstructures Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210023China

We demonstrate a new green solvent consisting of ionic liquid and polyol to achieve a selective fractionation of lignin from *** lignin from corn straw is rich in syringyl unit and phenolic hydroxyl group,resulting in excellent room-temperature phosphorescence(RTP)performance,antioxidation property and long-term *** film,fiber,aerogel and coatings with an ultralong RTP lifetime of 0.654 s are *** lignin from corn straw completely blocks UV light of290–400 nm at an extremely low usage due to many p-coumarate *** the content is as low as 1.54 mg/g,which is two orders of magnitude lower than the previous reports,the corresponding sunscreen cream has a super-high sun protection factor(SPF)of *** importantly,the lignin self-assembles into nanospheres of 250–350 nm,preventing penetration into the *** easily-available,abundant,low-cost,safe and natural lignin provides an innovative avenue for sustainable optical function materials.

关键词： lignin phosphorescence anti-ultraviolet biomass ionic liquids

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父母控制同伴关系与初中生攻击行为的关系

中国学校卫生 2024年第4期45卷 530-534页

作者：韩文耕戚志远赵继利倪虹程耀慧韩慧蚌埠医科大学公共卫生学院安徽233030

目的了解父母控制水平、同伴关系和初中生攻击行为的关系,为预防青少年攻击行为的发生提供理论依据。方法于2022年6—7月,采用方便整群随机抽样方法,选取安徽省宿州市、宣城市6所初中学校中初一至初三的2564名学生为研究对象,采用父母... 详细信息

目的了解父母控制水平、同伴关系和初中生攻击行为的关系,为预防青少年攻击行为的发生提供理论依据。方法于2022年6—7月,采用方便整群随机抽样方法,选取安徽省宿州市、宣城市6所初中学校中初一至初三的2564名学生为研究对象,采用父母控制问卷、Buss和Perry攻击问卷中文版和初中生同伴关系量表进行问卷调查。结果男生在父母控制、父亲心理控制、母亲心理控制、父亲行为控制、母亲行为控制中得分(185.31±27.49,21.65±7.43,21.77±8.18,69.50±11.41,72.39±11.53)均高于女生(178.21±25.13,20.08±7.09,20.61±7.62,66.56±11.14,70.95±11.84)(t值分别为8.63,5.47,3.70,6.60,3.12),女生的同伴关系得分(48.41±11.26)高于男生(47.13±10.84)(t=2.95);初一年级学生在父母控制、父亲心理控制、母亲心理控制、父亲行为控制、同伴关系和攻击行为维度的得分(184.67±27.18,21.83±7.29,22.15±8.07,68.81±10.95,50.21±9.57,80.23±17.66)均高于初二(180.98±25.46,20.16±7.82,20.21±7.55,68.29±11.69,45.47±11.67,74.08±17.70)和初三(179.21±26.79,20.53±7.22,21.17±8.06,66.81±11.39,47.54±11.43,75.75±16.29)年级(F值分别为9.44,12.87,13.61,6.84,42.85,30.40)(P值均<0.01)。父母控制、同伴关系得分均与攻击行为得分呈正相关(r值分别为0.22,0.47,P值均<0.01)。同伴关系在父母控制和攻击行为之间起部分中介作用,中介效应值为0.04,占父母控制对攻击行为总效应的26.39%。结论父母控制高及同伴关系差与攻击行为水平均呈正相关。应通过建立良好的家庭教养模式,抵制校园暴力、维护良好社会准则等方式改善初中生的同伴关系,以减少攻击行为的发生。

关键词：人际关系攻击精神卫生法定监护人学生

Spontaneous,scalable,and self-similar superhydrophobic coatings for all-weather deicing

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Nano Research 2023年第5期16卷 7171-7179页

作者： yaohui cheng Yirong Wang Xin Zhang Jinming Zhang Zhiyuan He Jianjun Wang Jun Zhang CAS Key Laboratory of Engineering Plastics CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China Beijing Institute of Technology Beijing 100081China

Herein,we proposed and demonstrated a facile and scalable strategy to fabricate multifunctional self-similar superhydrophobic ***,a hydrophobic cationic cellulose derivative containing imidazolium cation was synthesized by a controllable *** could effectively disperse one-dimensional(1D)multi-walled carbon nanotubes(MWCNT),because the imidazolium cations formed cation–πinteractions with ***,the synergy effect of the cationic cellulose derivative and MWCNT dispersed two-dimensional(2D)reduced graphene oxide(rGO)to obtain a three-components ***,via a simple spaying process,a superhydrophobic coating with self-similar micro-nano structures spontaneously formed from inside to outside,owing to the various nanostructures with different shapes and sizes in the dispersion and the adhesive effect of the cellulose *** superhydrophobic coating was easy to scale,exhibited superior stability owing to the renewal micro-nano *** retained the superhydrophobicity even if it was treated by rubbing for 1500 ***,it had outstanding photo-thermal and Joule-heating performance,because of the strong solar absorption and high electrical conductivity of MWCNT and *** provided both passive anti-icing and active deicing ***,it could achieve all-weather anti-icing for wind power generators under sunlight and low voltage *** facile preparation method and multifunctional renewable superhydrophobic coating hold great application prospects.

关键词： superhydrophobic coating cellulose hybrid nanomaterials anti-icing

Click Modification for Polysaccharides via Novel Tunnel Transmission Phenomenon in Ionic Liquids

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Research 2022年第2期2022卷 315-322页

作者： Yan Zhou Jinming Zhang yaohui cheng Xin Zhang Jin Wu Jun Zhang CAS Key Laboratory of Enginering Plastic CAS Research/Education Center for Excllence in Molecular SciencesInstitte of ChemistryChinese Academy of Sciences(CAS)Beijing 100190China University of Chinese Academy 0f Sciences Bejing 10049China

It is extremely dificult toachievearapid and effcient modifcationofnatural polysaccharides,due tothe intrinsicstrong hydrogen bonding networks and the slow mass transfer process during the reaction ***,we found a fascinating anion-tunnel transmission phenomenon in the imidazolium-based ionic liquids with carboxylate anions.A novel click esterification of natural polysaccharides thus was demonstrated undera catalyst-free condition within a very short reaction time of15min at *** a super-rapid and highly eficient modification strategy is available for various polysaccharides(clluoe,starchinulin,pululan,dextranand xylan),difrentesterifcatonreactions(acetication,propionation benzoylation,and cyclohexylformylation),and high concentrations,claiming a revolutionary potential in polysaccharide chemistry industries.

关键词： process bonding catalyst

A Synchronization Acquisition Algorithm Based on the Frequency Hopping Pulses Combining

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China Communications 2024年第4期21卷 74-87页

作者： She Honghan cheng Yufan Zhang Wenzihan Zhang yaohui Zhao Yuheng Shen Haoran Mou Ying National Key Laboratory of Wireless Communications UESTCChengdu 611731China

As modern electromagnetic environments are more and more complex,the anti-interference performance of the synchronization acquisition is becoming vital in wireless *** the rapid development of the digital signal processing technologies,some synchronization acquisition algorithms for hybrid direct-sequence(DS)/frequency hopping(FH)spread spectrum communications have been ***,these algorithms do not focus on the analysis and the design of the synchronization acquisition under typical *** this paper,a synchronization acquisition algorithm based on the frequency hopping pulses combining(FHPC)is ***,the proposed algorithm is composed of two modules:an adaptive interference suppression(IS)module and an adaptive combining decision *** adaptive IS module mitigates the effect of the interfered samples in the time-domain or the frequencydomain,and the adaptive combining decision module can utilize each frequency hopping pulse to construct an anti-interference decision metric and generate an adaptive acquisition decision threshold to complete the *** and simulation demonstrate that the proposed algorithm significantly enhances the antiinterference and anti-noise performances of the synchronization acquisition for hybrid DS/FH communications.

关键词： adaptive anti-interference frequency hopping synchronization acquisition

Cellulose-Based Ultralong Room-Temperature Phosphorescence Nanomaterials with Tunable Color and High Quantum Yield via Nano-Surface Confining Effect

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Research 2023年第3期6卷 565-573页

作者： Xin Zhang Chunchun Yin Jingxuan You Ruiqiao Li Jinming Zhang yaohui cheng Yirong Wang Jun Zhang CAS Key Laboratory of Engineering Plastics CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of Sciences(CAS)Beijing100190China University of Chinese Academy of Sciences Beijing100049China

How to achieve multicolor organic room-temperature phosphorescence(RTP)is still challenging and ***,we discovered a new principle to construct eco-friendly color-tunable RTP nanomaterials based on the nano-surface confining *** nanocrystal(CNC)immobilized cellulose derivatives(CX)containing aromatic substituents via hydrogen-bonding interactions,which effectively inhibit the motion of cellulose chains and luminescent groups to suppress the nonradiative ***,CNC with a strong hydrogen-bonding network can isolate *** with different aromatic substituents regulate the phosphorescent *** mixing CNC and CX directly,a series of polychromatic ultralong RTP nanomaterials were *** RTP emission of the resultant CX@CNC can be finely adjusted through the introduction of various CX and the regulation of the CX/CNC *** a universal,facile,and effective strategy can be used to fabricate various colorful RTP materials with wide color *** of the complete biodegradability of cellulose,the multicolor phosphorescent CX@CNC nanomaterials can be used as eco-friendly security inks to fabricate disposable anticounterfeiting labels and information-storage patterns via conventional printing and writing processes.

关键词： bonding substituent chains

Tet methylcytosine dioxygenase 2(TET2)deficiency elicits EGFR-TKI(tyrosine kinase inhibitors)resistance in non-small cell lung cancer

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Signal Transduction and Targeted Therapy 2024年第4期9卷 1706-1720页

作者： Jian Zhang Kejia Zhao Wenjing Zhou Ran Kang Shiyou Wei Yueli Shu cheng Yu Yin Ku Yonghong Mao Hao Luo Juqin Yang Jiandong Mei Qiang Pu Senyi Deng Zhengyu Zha Gang Yuan Shensi Shen yaohui Chen Lunxu Liu Department of Thoracic Surgery and Institute of Thoracic Oncology West China Hospital of Sichuan UniversityChengdu 610097China Western China Collaborative Innovation Center for Early Diagnosis and Multidisciplinary Therapy of Lung Cancer Sichuan UniversityChengdu 610097China Biobank of West China Hospital Sichuan UniversityChengdu 610041China

Despite epidermal growth factor receptor(EGFR)tyrosine kinase inhibitors(TKl)have shown remarkable efficacy in patients with EGFR-mutant non-small cell lung cancer(NSCLC),acquired resistance inevitably develops,limiting clinical *** found that TET2 was poly-ubiquitinated by E3 ligase CUL7^(FBXW11) and degraded in EGFR-TKI resistant NSCLC *** perturbationof TET2 rendered parental cells more tolerant to TKI ***2 was stabilized by MEK1 phosphorylation at Ser 1107,while MEK1 inactivation promoted its proteasome degradation by enhancing the recruitment of CUL7^(FBXW11),Loss of TET2 resulted in the upregulation of TNF/NF-kB signaling that confers the EGFR-TKI *** or pharmacological inhibition of NF-kB attenuate the TKI resistance both in vitro and in *** findings exemplified how a cell growth controlling kinase MEK1 leveraged the epigenetic homeostasis by regulating TET2,and demonstrated an alternative path of non-mutational acquired EGFR-TKI resistance modulated by TET2 ***,combined strategy exploiting EGFR-TKI and inhibitors of TET2/NF-κB axis holds therapeutic potential for treating NSCLC patients who suffered from this resistance.

关键词： TET2 TKI resistance

青少年青春发动时相和超重肥胖与进食障碍之间的关系

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中国学校卫生 2023年第4期44卷 494-497页

作者：程耀慧韩慧韩文耕戚志远蚌埠医学院公共卫生学院安徽233000

目的了解蚌埠市青少年超重肥胖、青春发动时相和进食障碍情况及其相互关系,为预防青少年肥胖的发生提供依据。方法在蚌埠市方便抽取2所九年制学校,从五至八年级随机抽取683名学生,采用青春发育量表(PDS)和进食障碍量表(EDI-C)的分量表... 详细信息

目的了解蚌埠市青少年超重肥胖、青春发动时相和进食障碍情况及其相互关系,为预防青少年肥胖的发生提供依据。方法在蚌埠市方便抽取2所九年制学校,从五至八年级随机抽取683名学生,采用青春发育量表(PDS)和进食障碍量表(EDI-C)的分量表进行问卷调查,并测量身高、体重等指标,分析超重肥胖、青春发动时相与进食障碍的关系。结果男生超重肥胖率高于女生,女生青春发动时相提前率、瘦身倾向得分、体型不满得分和进食障碍总分高于男生(χ^(2)/t值分别为28.69,57.99,3.47,2.59,3.30,P值均<0.05);不同年级学生超重肥胖率、贪食得分和进食障碍总分差异均有统计学意义(χ^(2)/F值分别为28.39,5.11,3.95,P值均<0.01)。超重肥胖与青春发动时相提前、进食障碍之间呈正相关,青春发动时相提前与进食障碍呈正相关(r值分别为0.18,0.17,0.14,P值均<0.01)。青春发动时相提前在超重肥胖与进食障碍之间起的部分中介效应对总效应的贡献率为14.25%。结论青少年超重肥胖与进食障碍相关,青春发动时相提前在超重肥胖与进食障碍之间起部分中介作用。家庭和学校均应倡导健康生活模式,积极预防青少年肥胖、青春发动时相提前和进食障碍行为的发生。

关键词：青春期发育超重肥胖症进食障碍回归分析青少年

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蚌埠市中学生父母文化程度与家庭类型对父母控制的影响

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中国学校卫生 2022年第11期43卷 1695-1698页

作者：韩慧宋文刚王元明程耀慧蚌埠医学院公共卫生学院安徽233030 蚌埠市卫生健康综合监督执法支队

目的探讨中学生父母文化程度和家庭类型对父母控制水平的影响,为父母教养方式的改善及儿童青少年身心健康发展奠定基础。方法于2019年4月,采用随机抽样法抽取蚌埠市初、高中在校学生1 046名,使用父母控制量表进行调查,采用SPSS 25.0... 详细信息

目的探讨中学生父母文化程度和家庭类型对父母控制水平的影响,为父母教养方式的改善及儿童青少年身心健康发展奠定基础。方法于2019年4月,采用随机抽样法抽取蚌埠市初、高中在校学生1 046名,使用父母控制量表进行调查,采用SPSS 25.0进行统计分析。结果中学生母亲行为控制及控制总分、父亲行为控制及控制总分与文化程度均呈正相关(r值分别为0.18,0.16,0.16,0.12,P值均<0.05);父母不同文化程度中学生的父母控制总分差异均有统计学意义(H值分别为16.93,32.21,P<0.05),小学及以下教育的父母行为控制得分低于其他文化程度的父母。不同家庭类型中学生的父、母控制总分差异均有统计学意义(F值分别为2.63,3.55,P值均<0.05),单亲家庭的父亲控制总分低于大家庭和核心家庭,单亲家庭的母亲控制总分低于大家庭,家庭类型和父母文化程度对父母行为控制均具有预测性。结论父母文化程度和家庭类型对父母心理行为控制均有影响,应通过提升家庭教养环境改善父母控制水平。

关键词：家庭教育程度精神卫生回归分析学生