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Functional decoration on a regenerable bifunctional porous covalent organic framework probe for rapid detection and adsorption of copper ions

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Rare Metals 2024年第2期43卷 758-769页

作者： yu-long li Xi-Lang Jin Yi-Ting Ma Jing-Rui liu Fazal Raziq Peng-yuan Zhu Zhi-Feng Deng Hong-Wei Zhou Wei-Xing Chen Wen-Huan Huang School of Materials and Chemical Engineering Xi’an Technological UniversityXi’an710021China yulin Boyi-Jingking Research Institute of Industrial Technology Development Research Yulin719054China KAUST Catalysis Center King Abdullah University of Science and Technology23955-6900ThuwalKingdom of Saudi Arabia Key Laboratory of Chemical Additives for China National light Industry College of Chemistry and Chemical EngineeringShaanxi University of Science and TechnologyXi’an710021China National and Local Joint Engineering Laboratory for Slag Comprehensive Utilization and Environmental Technology School of Materials Science and EngineeringShaanxi University of TechnologyHanzhong723001China

Developing fluorescence porous probe for detecting and eliminating Cu^(2+) contamination in water or biosystem is an essential research project that has attracted considerable ***,improving the fluorescence detecting efficiency while enhancing the adsorption capacity of the porous probe is of great ***,a bifunctional two-dimensional imine-based porous covalent organic framework(TTP-COF)probe was designed and synthesized from 1,3,5-tris(4-aminophenyl)benzene(TAPB)and 2,4,6-Triformylphloroglucinol(TP)***-COF displayed rapid detection of Cu^(2+)(limit of detection(LOD)=10 nmol·L^(−1) while achieving a high adsorption capacity of 214 mg·g^(−1)(pH=6)at room temperature with high reusability(>5 cycles).The key roles and contributions of highπ-conjugate and delocalized electrons in TABP and functional–OH groups in TP were *** importantly,the fluorescence quenching mechanism of TTP-COF was studied by density functional theory theoretical calculations,revealing the crucial role of intramolecular hydrogen bonds among C=N and–OH groups and the blocking of the excited state intramolecular proton transfer process in detecting process of Cu^(2+).

关键词： Covalent organic framework(COF) Excited-state intramolecular proton transfer(ESIPT) Copper ion detection Copper ion adsorption Renewability

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Effects of mixture of lidocaine and ropivacaine at different concentrations on the central nervous system and cardiovascular toxicity in rats

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Chinese Medical Journal 2010年第1期123卷 79-83页

作者： WAN Qiu-xia BO yu-long li Hai-bo li Wen-zhi Department of Anesthesiology Second Affiliated Hospital ofHarbin Medical University Harbin Heilongjiang 150086 China

Background lidocaine and ropivacaine are often combined in clinical practice to obtain a rapid onset and a prolonged duration of action. However, the systemic toxicity of their mixture at different concentrations is unclear. This study aimed to compare the systemic toxicity of the mixture of ropivacaine and lidocaine at different concentrations when administered intravenously in rats. Methods Forty-eJght male WJstar rats were randomly divided into 4 groups （n=12 each）： 0.5% ropJvacaine （group Ⅰ）; 1.0% ropivacaine and 1.0% lidocaine mixture （group Ⅱ）; 1.0% ropivacaine and 2.0% lidocaine mixture （group Ⅲ）; and 1.0% lidocaine （group Ⅳ）. Local anesthetics were infused at a constant rate until cardiac arrest. Electrocardiogram, electroencephalogram and arterial blood pressure were continuously monitored. The onset of toxic manifestations （seizure, dysrhythmia, and cardiac arrest） was recorded, and then the doses of local anesthetics were calculated. Arterial blood samples were drawn for the determination of local anesthetics concentrations by high-performance liquid chromatography. Results The onset of dysrhythmia was later significantly in group IV than in group Ⅰ, group Ⅱ, and group Ⅲ （P 〈0.01）, but there was no significant difference in these groups （P 〉0.05）. The onset of seizure, cardiac arrest in group Ⅰ （（9.2±1.0） min, （37.0±3.0） min） was similar to that in group Ⅱ（（9.1±0.9） min, （35.0±4.0） min）（P 〉0.05）, but both were later in group Ⅲ （（7.5±0.7） min, （28.0±3.0） min）（P 〈0.05）. The onset of each toxic manifestation was significantly later in group Ⅳ than in group Ⅰ （P 〈0.01）. The plasma concentrations of the lidocaine-alone group at the onset of dysrhythmia （DYS）, cardiac arrest （CA）（（41.2±6.8） min, （59.0±9.0） min） were higher than those of the ropivacaine alone group （（20.5±3.8） min, （38.0±8.0） min）（P 〈0.05）. The plasma concentrations of ropivacaine inducing toxic manifestation were not significantly different among groups Ⅰ, Ⅱ, and Ⅲ（P 〉0.05）. Conclusions The

关键词： ropivacaine lidocaine concentration of local anesthetic local anesthetic toxicity

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Tomato Root Response to Subsurface Drip Irrigation

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Pedosphere 2004年第2期14卷 205-212页

作者： ZHUGEyu-Ping ZHANGXu-Dong ZHANGyu-long liJun YANGli-Juan HUANGYi liUMing-Da KeyLaboratoryofTerrestrialEcologicalProcess InstituteofAppliedEcologyChineseAcademyofSciencesShenyang110016（China）.E-mail：zgyp@*** LandandEnvironmentalCollege ShenyangAgriculturalUniversityShenyang110161（China）

Four depth treatments of subsurface drip irrigation pipes were designated as 1) at 20,2) 30 and 3) 40 cm depths all with a drip-proof flumes underneath,and 4) at 30 cm without a drip-proof flume to investigate the responses of a tomato root system to different technical parameters of subsurface drip irrigation in a glass greenhouse,to evaluate tomato growth as affected by subsurface drip irrigation,and to develop an integrated subsurface drip irrigation method for optimal tomato yield and water use in a glass greenhouse. Tomato seedlings were planted above the subsurface drip irrigation pipe. Most of the tomato roots in treatment 1 were found in the top 0-20 cm soil depth with weak root activity but with yield and water use efficiency (WUE) significantly less (P ---- 0.05) than treatment 2; root activity and tomato yield were significantly higher (P = 0.05) with treatment 3 compared to treatment 1; and with treatment 2 the tomato roots and shoots grew harmoniously with root activity,nutrient uptake,tomato yield and WUE significantly higher (P= 0.05) or as high as the other treatments. These findings suggested that subsurface drip irrigation with pipes at 30 cm depth with a drip-proof flume placed underneath was best for tomato production in greenhouses. In addition,the irrigation interval should be about 7-8 days and the irrigation rate should be set to 225 m3 ha-1 per event.

关键词： greenhouse root system response soil water subsurface drip irrigation

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Heme oxygenase-1 promotes Caco-2 cell proliferation and migration by targeting CTNND1

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Chinese Medical Journal 2013年第16期126卷 3057-3063页

作者： ZHANG li liU yu-lin CHEN Guang-xiang CUI Bin WANG Jin-shen SHI yu-long li Le-ping GUO Xiao-bo Department of Gastrointestinal Surgery Provincial Hospital Affiliatedto Shandong University Jinan Shandong 250021 China

Background Heme oxygenase-1 （HO-1） can be induced by inflammatory cytokines,oxidation,ischemia,hypoxia,and *** a ＂graft survival protective gene,＂ HO-1 is a hot spot in organ transplantation ***,the role of HO-1 gene expression in the function of human colon adenocarcinoma cell line （Caco-2） cells has not been reported *** The role of HO-1 in the proliferation and migration of Caco-2 cells was analyzed using a stable HO-1 expression *** constructed a recombinant adeno-associated virus plasmid containing the HO-1 gene,heme oxygenase 1 （HMOX1）,which was transfected into Caco-2 intestinal *** identified a number of target genes by global microarray analysis combined with real-time polymerase chain reaction （PCR） and chromatin immunoprecipitation *** Our results showed that significant HO-1 upregulation was demonstrated in the Caco-2 cells after HO-1 *** of HO-1 expression promoted proliferation and invasion in *** CTNND1 gene,a member of the armadillo protein family,was identified as a direct HO-1 target *** Overexpression of HO-1 promotes Caco-2 cell proliferation and migration by targeting the CTNND1 gene.

关键词： heme oxygenase-1 Caco-2 cells microarray CTNND1

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Reversible li2C2O4 product regulation in li–CO2 batteries using single-atom alloy engineering

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Science China Chemistry 2025年

作者： Xinxin Zhang yu Wang Yafei li Jiangsu Key Laboratory of New Power Batteries Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials School of Chemistry and Materials Science Nanjing Normal University

The efficiency of lithium-carbon dioxide （li–CO2） batteries is limited by the sluggish generation/decomposition kinetics of the discharge products （i.e.,li2CO3and carbon） despite the use of state-of-the-art noble metal （NM） ***2C2O4has emerged as a promising alternative product;however,the thermodynamic instability of li2C2O4causes it to generally appear as an intermediate in li2CO3pathways rather than a product during ***,using comprehensive first-principles calculations,we report tailoring the discharge products of li–CO2batteries to li2C2O4via single-atom alloy （SAA） engineering,in which NM-doped copper SAAs （NM1Cu） are constructed for *** NM1Cu catalysts display a free-atom-like narrow d-band state and unique charge distribution over the solute NM1atom and the surrounding matrix Cu *** an optimized electronic structure is substantial in Ru1Cu and Ir1Cu,which is conducive to the co-activation and coupling of *** lithiation of*CO2intermediate that breaks the charge symmetry of the central C species can further reduce the kinetic barriers of the C–C *** advantages promote li2C2O4generation on Ru1Cu and Ir1Cu while suppress its subsequent ***,they exhibit low theoretical overpotentials and enable facile delithiation under normal charging *** work proposes a universal principle of manipulating electronic structures to achieve li2C2O4product,which provides practical guidance for the development of li–CO2batteries.

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CRISPR-mediated BnaIDAediting prevents silique shattering, floral organ abscission, and spreading of Sclerotinia sclerotiorum in Brassica napus

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Plant Communications 2022年第6期3卷 127-130页

作者： Rui Geng yue Shan Lei li Chun-lin Shi Wei Zhang Jin Wang Rehman Sarwar Yi-Xuan Xue yu-long li Ke-Ming Zhu Zheng Wang li-Zhang Xu Reidunn B.Aalen Xiao-li Tan School of life Sciences Jiangsu UniversityZhenjiang 212013China ANGENOVO 1414 VikenNorway Key Laboratory for Theory and Technology of Intelligent Agricultural Machinery and Equipment Jiangsu UniversityZhenjiang 212013China Department of Biosciences University of Oslo0316 OsloNorway

Dear Editor,Rapeseed(Brassica napus)oil is a major source of vegetable oil around the *** rot disease caused by the necrotrophic fungus Sclerotinia sclerotiorum and silique shattering during harvest are two major contributors to yield loss in ***(Zhang et al.,2021).Infection by *** occurs when ascospores land on detached petals where they germinate and form mycelia that ultimately infects the leaves(Ding et al.,2021).Consistent with this mode of infection,reduced damage from stem rot has been achieved by generating apetalous rapeseed that are resistant to petal-mediated infection(yu et al.,2016).We propose that preventing petal shedding should also reduce leaf ***,attached floral organs will promote rapeseed flower tourism and provide an additional economic benefit.

关键词： attached generating organs

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Oxygen vacancies enriched Ir/WOx catalysts for the directly chem-catalytic conversion of cellulose to ethanol

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Tungsten 2025年第1期7卷 88-99页

作者： yu-Jing Weng Zhao-Ying Ding Ying-Chao li yuan-Feng Wu yuan-Yang Xu Rui Chen Xiao-Lei Zhao Hai-Yong Wang Da-Lei Zhang yu-long Zhang Henan Key Laboratory of Coal Green Conversion and International Joint Laboratory of Coal Clean Utilization College of Chemistry and Chemical Engineering Henan Polytechnic University Key Laboratory of Renewable Energy Guangzhou Institute of Energy Conversion Chinese Academy of Sciences liaoning Institute of Energy Technology

Tungsten and its oxides are highly versatile catalysts with unique properties that hold great promise for a wide array of applications,including biological pathways and chemical *** chemo-catalysis of cellulose to ethanol presents a promising avenue for ethanol synthesis with the potential for enhanced efficiency compared to conventional methods,offering a sustainable and carbon-neutral alternative to existing petrochemical and biological ***,Ir/WOxcatalysts enriched with oxygen vacancies were meticulously prepared and demonstrated remarkable catalytic performance in converting cellulose to ethanol directly in the presence of tungstic *** catalyst achieved a high ethanol yield of 66.5%under optimal reaction conditions,approaching the theoretical yield limit of traditional ethanol *** results revealed the presence of oxygen defects,Bronsted/Lewis acidity,and Ir nanoclusters on the catalyst surface,working synergistically to facilitate the cascade catalysis of cellulose hydrolysis,sugar retro-aldol condensation reaction,and C2 intermediate hydrodeoxygenation to *** situ Fourier transform infrared spectrometer analysis confirmed the catalyst's ability to enhance the adsorption and activation of ethylene glycol for ethanol *** manipulating subtle structural features,this study offers a fresh perspective on tungsten group catalyst design and underscores the importance of synergistic effects among catalytic sites for the efficient production of ethanol from cellulose.

关键词： Cellulosic ethanol Chem-catalysis Hydrogenolysis Retro-aldol condensation Tungsten

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Microstructure and mechanical properties of pulsed laser welded Al/steel dissimilar joint

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Transactions of Nonferrous Metals Society of China 2016年第4期26卷 994-1002页

作者：杨瑾李玉龙张华南昌大学机电工程学院江西省机器人及焊接自动化重点实验室南昌330031

Pulsed laser welding was used in joining pure aluminum to stainless steel in a lap joint configuration. It is found that the mechanical properties of the laser joints were closely correlated with the bead geometry, i.e., penetration depth. In order to study the correlation, two typical laser welds with different penetration depths were analyzed. In high penetration depth (354 μm) joint, Al-rich Fe?Al IMCs with microcracks were formed at the Al/fusion zone (FZ) interface. The joint strength was found to be (27.2±1.7) N/mm and three failure modes were observed near the Al/FZ interface. In low penetration depth (108 μm) joint, Fe-rich Fe?Al IMCs without any defect were formed at the Al/FZ interface. The joint strength was found to be (46.2±1.9) N/mm and one failure mode was observed across the FZ.

关键词： pulsed laser welding steel aluminum microstructure mechanical property

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The pharmacodynamics experiment of Xinkang injection protect action of ADR-induced toxin myocarditisin mice

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沈阳药科大学学报 2008年第S1期25卷 95-96页

作者： ZHANG Hong,DU Jia-lin,li Xin-hua,XIANG Shao-jie,JIA Dong,BAO yu-long,li Kun(liaoning University of Traditional Chinese Medicine,Shenyang 110034,China)

Objective The experiment is to study the protective effects of Xinkang Injection on ADR-induced toxin myocarditisin *** The test of Xinkang Injection on ADR-induced toxin myocarditisin ***,the animal of obnormal,weight and death ***,the influnences of cardiogram of ADR-induced toxin myocarditisin ***,the influnences of lactate dehydrogenase(LDH),creatine kinase(CK)and glutamic oxaloacetic transaminasw(GOT)of ADR-induced toxin myocarditisin ***,the influnences of changes of cardioc pathological mechanism of ADR-induced toxin myocarditisin ***,the influnces of the caidioc ultrastructural of ADR-induced toxin myocarditisin *** Firstly,to ADR-induced toxin myocarditisin mice,the weight of middle dose and high dose of Xinkang injection had declined obviosly which contrast with the constraction model mice *** the mean time,the weight of Xinkang injection team had obviosly changde which contrast with contrastion mice team(Plined the activity of LDH and CK(P<0.01).Fouthly,to ADR-induced toxin myocarditisin mice,the low dose,the middle dose and high dose of Xinkang injection team can contrast with injured on toxic myocarditisin mice ***,to ADR-induced toxin myocarditisin mice,the low dose,the middle dose and high dose of Xinkang injection team have effect of allevite the injection of the cardioc ulteasteuctural of ADR-induced toxin myocarditisin *** Xinkang injection can protect t

关键词： Xinkang injection ADR toxin myocarditisin

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Correlation between the rock mass properties and maximum horizontal stress:A case study of overcoring stress measurements

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 39-48页

作者： Peng li Meifeng Cai Shengjun Miao yuan li yu Wang Key Laboratory of Ministry of Education for Efficient Mining and Safety of Metal Mines University of Science and Technology BeijingBeijing 100083China State Key Laboratory of Coal Resources and Safe Mining China University of Mining and TechnologyXuzhou 221116China

Understanding the mechanical properties of the lithologies is crucial to accurately determine the horizontal stress *** investigate the correlation between the rock mass properties and maximum horizontal stress,the three-dimensional(3D)stress tensors at 89 measuring points determined using an improved overcoring technique in nine mines in China were adopted,a newly defined characteristic parameter C_(ERP)was proposed as an indicator for evaluating the structural properties of rock masses,and a fuzzy relation matrix was established using the information distribution *** results indicate that both the vertical stress and horizontal stress exhibit a good linear growth relationship with *** is no remarkable correlation between the elastic modulus,Poisson's ratio and depth,and the distribution of data points is scattered and ***,there is no obvious relationship between the rock quality designation(RQD)and *** maximum horizontal stress σ_(H) is a function of rock properties,showing a certain linear relationship with the C_(ERP)at the same *** addition,the overall change trend of σ_(H) determined by the established fuzzy identification method is to increase with the increase of C_(ERP).The fuzzy identification method also demonstrates a relatively detailed local relationship betweenσ_H and C_(ERP),and the predicted curve rises in a fluctuating way,which is in accord well with the measured stress data.

关键词： overcoring stress measurements elastic modulus Poisson's ratio rock quality designation maximum horizontal stress fuzzy identification

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