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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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Preparation of Fe-As alloys by mechanical alloying and vacuum hot-pressed sintering:microstructure evolution,mechanical properties,and mechanisms

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Rare Metals 2024年第8期43卷 3876-3892页

作者： Fei Chai Fei-Ping Zhao Zhan Hu Shi-Yi Wen Ben-Hammouda Samia Ze-Lin Fu Xin-ting Lai Yan-Jie Liang Xiao-Bo Min Li-yuan Chai School of Metallurgy and Environment Central South UniversityChangsha 410083China Chinese National Engineering Research Center for Control&Treatment of Heavy Metal Pollution Institute of Environmental EngineeringCentral South UniversityChangsha 410083HunanChin State Key Laboratory of Powder Metallurgy Central South UniversityChangsha 410083China Department of Building Civiland Environmental EngineeringConcordia UniversityMontreal H3G 1M8Canada

Arsenic materials have attracted great attention due to their unique ***,research concerning iron-arsenic(Fe-As) alloys is very scarce due to the volatility of As at low temperature and the high melting point of ***,a new Fe-As alloy was obtained by mechanical alloying(MA) followed by vacuum hot-pressed sintering(VHPS).moreover,a systematic study was carried out on the microstructural evolution,phase composition,leaching toxicity of As,and physical and mechanical properties of Fe-As alloys with varying weight fractions of As(20%,25%,30%,35%,45%,55%,65%,and 75%).The results showed that pre-alloyed metallic powders(PAMPs) have a fine grain size and specific supersaturated solid solution after MA,which could effectively improve the mechanical properties of Fe-As alloys by VHPS.A high density(> 7.350 g·cm^(-3)),low toxicity,and excellent mechanical properties could be obtained for FeAs alloys sintered via VHPS by adding an appropriate amount of As,which is more valuable than commercial Fe-As *** Fe-25% As alloy with low toxicity and a relatively high density(7.635 g·cm^(-3)) provides an ultra-high compressive strength(1989.19 MPa),while the Fe-65% As alloy owns the maximum Vickers hardness(HVo.5 899.41).After leaching by the toxicity characteristic leaching procedure(TCLP),these alloys could still maintain good mechanical performance,and the strengthening mechanisms of Fe-As alloys before and after leaching were *** in the grain size,micro structure,and phase distribution induced significant differences in the compressive strength and hardness.

关键词： Mechanical alloying Vacuum hot-pressed sintering High-pressure Arsenic-iron alloys Mechanical properties

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Cardiovascular risk burden,dementia risk and brain structural imaging markers:a study from UK Biobank

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General Psychiatry 2024年第1期37卷 94-102页

作者： Yaying Cao Gaohong Zhu Chengwu Feng Jing Chen Wei Gan yuan Ma Yonghua Hu Klodian Dhana Trudy Voortman Jie Shen ting Li Yan Zheng Changzheng yuan Geng Zong Department of Food Nutrition and Health School of Medicine and HealthHarbin Institute of TechnologyHarbinHeilongjiangChina CAS Key Laboratory of Nutrition Metabolism and Food SafetyShanghai Institute of Nutrition and HealthChinese Academy of SciencesShanghaiChina Department of Nuclear Medicine First Affiliated Hospital of Kunming Medical UniversityKunmingYunnanChina Neurology Department Zhongshan Hospital Affliated with Fudan UniversityShanghaiChina Medical Research Council Population Health Research Unit University of OxfordOxfordUK Department of Genetics Novo Nordisk Research Centre OxfordOxfordUK Harvard University T H Chan School of Public Health BostonMassachusettsUSA Department of Epidemiology and Biostatistics School of Public HealthPeking UniversityBeijingChina Department of Internal Medicine Rush University Medical CenterChicagolinoisUSA Department of Epidemiology rasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands Division of Human Nutrition and Health Wageningen University&ResearchWageningenThe Netherlands School of Public Health the Second Afliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina First Afiliated Hospital of Kunming Medical University KunmingYunnanChina State Key Laboratory of Genetic Engineering School f ife SCciencesFudan UniversityShanghaiChina Ministry of Education Key Laboratory of Public Health Safety School of Public HealthFudan UniversityShanghaiChina The Key Laboratory of Inteligent Preventive Medicine of Zhejang Province HangzhouZhejiangChina Shanghai Jiao Tong University Affiliated Sixth People's Hospital ShanghaiChina

Background Cardiovascular risk burden is associated with dementia risk and neurodegeneration-related brain structure,while the role of genetics and incident cardiovascular disease(CVD)remains *** To examine the association of overall cardiovascular risk burden with the risk of major dementia subtypes and volumes of related brain regions in a large sample,and to explore the role of genetics and CVD *** A prospective study among 354 654 participants free of CVD and dementia(2006-2010,mean age 56.4 years)was conducted within the UK Biobank,with brain magnetic resonance imaging(MRl)measurement availablefor 15104participants since *** risk burden was evaluated by the Framingham General Cardiovascular Risk Score(FGCRS).Dementia diagnosis was ascertained from inpatient and death register *** Overamedian 12.0-yearfollow-up,3998 all-cause dementia cases were *** FGCRS was associated with increasedall-cause dementia risk after adjusting for demographic,major lifestyle,clinical factors and the polygenic risk score(PRS)of Alzheimer's *** the high versus low tertile of FGCRS,the odds ratios(ORs)and 95%confidence intervals(Cls)were 1.26(1.12 to 1.41)for all-cause dementia,1.67(1.33 to 2.09)for Alzheimer's disease and 1.53(1.07 to 2.16)for vascular dementia(all p_(treng)<0.05).Incident stroke and coronary heart disease accounted for 14%(95%Cl:9% to 21%)of the association between FGCRS and all-cause *** were not detected for FGCRS and PRS on the risk of any dementia *** observed an 83%(95%Cl:47%to 128%)higher all-cause dementia risk comparing the high-high versus low-low FGCRS-PRS *** brain volumes,higher FGCRS was associated with greater log-transformed white matter hyperintensities,smaller cortical volume and smaller grey matter *** Our findings suggest that the positive association of cardiovascular risk burden with dementia risk also applies to major dementia subtypes.T

关键词： Cardiovascular diagnosis burden

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Constructing a nomogram to predict overall survival of colon cancer based on computed tomography characteristics and clinicopathological factors

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World Journal of Gastrointestinal Oncology 2024年第10期16卷 4104-4114页

作者： Zhe-Xing Hu Yin Li Xuan Yang Yu-Xia Li Yao-Yao He Xiao-Hui Niu ting-ting Nie Xiao-Fang Guo Zi-Long yuan Department of Radiology Hubei Cancer HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430079Hubei ProvinceChina Department of Radiology Wuhan Children’s HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430014Hubei ProvinceChina College of Informatics Huazhong Agriculture UniversityWuhan 430070Hubei ProvinceChina

BACKGROUND The colon cancer prognosis is influenced by multiple factors,including clinical,pathological,and non-biological ***,only a few studies have focused on computed tomography(CT)imaging ***,this study aims to predict the prognosis of patients with colon cancer by combining CT imaging features with clinical and pathological characteristics,and establishes a nomogram to provide critical guidance for the individualized *** To establish and validate a nomogram to predict the overall survival(OS)of patients with colon *** A retrospective analysis was conducted on the survival data of 249 patients with colon cancer confirmed by surgical pathology between January 2017 and December *** patients were randomly divided into training and testing groups at a 1:1 *** and multivariate logistic regression analyses were performed to identify the independent risk factors associated with OS,and a nomogram model was constructed for the training *** curves were calculated using the Kaplan–Meier *** concordance index(C-index)and calibration curve were used to evaluate the nomogram model in the training and testing *** Multivariate logistic regression analysis revealed that lymph node metastasis on CT,perineural invasion,and tumor classification were independent prognostic factors.A nomogram incorporating these variables was constructed,and the C-index of the training and testing groups was 0.804 and 0.692,*** calibration curves demonstrated good consistency between the actual values and predicted probabilities of *** A nomogram combining CT imaging characteristics and clinicopathological factors exhibited good discrimination and *** can aid clinicians in risk stratification and postoperative monitoring and provide important guidance for the individualized treatment of patients with colon cancer.

关键词： Colon cancer Nomogram Prognosis Overall survival Computed tomography Clinicopathology

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Chromosome-level genome and population genomics of the intermediate horseshoe bat(Rhinolophus affinis)reveal the molecular basis of virus tolerance in Rhinolophus and echolocation call frequency variation

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Zoological Research 2024年第5期45卷 1147-1160页

作者： Le Zhao Jiaqing yuan Guiqiang Wang Haohao Jing Chen Huang Lulu Xu Xiao Xu ting Sun Wu Chen Xiuguang Mao Gang Li College of Life Sciences Shaanxi Normal UniversityXi’anShaanxi 710119China QinLing-Bashan mountains Bioresources Comprehensive Development C.I.C. School of Bioscience and EngineeringShaanxi University of TechnologyHanzhongShaanxi 723001China Guangzhou Zoo GuangzhouGuangdong 510070China School of Ecological and Environmental Sciences East China Normal UniversityShanghai 200241China

Horseshoe bats(genus Rhinolophus,family Rhinolophidae)represent an important group within chiropteran phylogeny due to their distinctive traits,including constant high-frequency echolocation,rapid karyotype evolution,and unique immune *** in evolutionary biology,supported by high-quality reference genomes and comprehensive whole-genome data,have significantly enhanced our understanding of species origins,speciation mechanisms,adaptive evolutionary processes,and phenotypic ***,genomic research and understanding of the evolutionary patterns of Rhinolophus are severely constrained by limited data,with only a single published genome of *** currently *** this study,we constructed a high-quality chromosome-level reference genome for the intermediate horseshoe bat(***).Comparative genomic analyses revealed potential genetic characteristics associated with virus tolerance in ***,we observed expansions in several immune-related gene families and identified various genes functionally associated with the SARS-CoV-2 signaling pathway,DNA repair,and apoptosis,which displayed signs of rapid *** addition,we observed an expansion of the major histocompatibility complex class II(MHC-II)region and a higher copy number of the HLA-DQB2 gene in horseshoe bats compared to other chiropteran *** on whole-genome resequencing and population genomic analyses,we identified multiple candidate loci(e.g.,GLI3)associated with variations in echolocation call frequency across *** *** research not only expands our understanding of the genetic characteristics of the Rhinolophus genus but also establishes a valuable foundation for future research.

关键词： Reference-quality genome Comparative genomics Population genomics Positive selection Bats

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Individual and joint exposures to PMconstituents and mortality risk among the oldest-old in China

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Science China Life Sciences 2024年

作者： Yaqi Wang Yang yuan Shaocai mo Fang Wang Jing Wei Yao Yao Yi Zeng Yunquan Zhang Institute of Social Development and Health Management Hubei Province Key Laboratory of Occupational Hazard Identification and Control School of Public Health Wuhan University of Science and Technology Shenzhen Bao'an District Songgang People's Hospital School of Public Health Xuzhou Medical University Department of Atmospheric and Oceanic Science Earth System Science Interdisciplinary Center University of Maryland College Park China Center for Health Development Studies Peking University Center for Healthy Aging and Development Studies National School of Development Peking University

Cohort evidence linking long-term survival of older adults with exposure to fine particulate matter (PM2.5) constituents remains scarce in *** constructing a dynamic cohort based on the Chinese Longitudinal Healthy Longevity Study,we aimed to assess the individual and joint associations of major PM2.5constituents with all-cause death in Chinese oldest-old （≥80 years） ***-dependent Cox proportional hazards models were adopted to estimate death risks of long-term exposure to *** 14,884 participants,totaling 56,342 person-years of follow-up,12,346 deaths were *** highest mortality risk associated with an interquartile range（IQR） increase in exposure was 1.081 （95%confidence interval[CI]:1.055–1.108） for sulfate (IQR=4.1μg m–3),followed by 1.078 （95%CI:1.056–1.101） for black carbon (IQR=1.6μg m–3),1.056 （95%CI:1.028–1.084） for ammonium (IQR=3.2μg m–3),1.050 （95%CI:1.021–1.080） for nitrate (IQR=5.8μg m–3),and 1.049 （95%CI:1.024–1.074） for organic matter (IQR=10.3μg m–3).In joint exposure,each IQR-equivalent rise of all five PM2.5constituents was associated with an 8.2%（95%CI:4.0%–12.6%） increase in mortality *** weight analysis indicated the predominant role of sulfate and black carbon in driving PM2.5-related *** （aged 80–89 years） and rural dwellers were at significantly greater risk of mortality from individual and joint exposures to *** study suggests that later-life exposure to PM2.5constituents,particularly sulfate and black carbon,may curtail long-term survival of the oldest-old in China.

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Transcutaneous electrical acupoint stimulation benefits postoperative pain relief of oocyte retrieval:A randomized controlled trial

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Journal of Integrative Medicine 2024年第1期22卷 32-38页

作者： Li-ying Liu Yang Su Rong-rong Wang yuan-yuan Lai Lei Huang Yi-ting Li Xin-yue Tao Meng-hua Su Xiao-yan Zheng Shi-chen Huang Yong-na Wu Si-yi Yu Fan-rong Liang Jie Yang Acupuncture and Tuina School Chengdu University of Traditional Chinese MedicineChengdu 610000Sichuan ProvinceChina Traditional Chinese Medicine Department Sichuan Jinxin Xi’nan Women's and Children's HospitalChengdu 610000Sichuan ProvinceChina

Background Transvaginal oocyte retrieval is frequently followed by adverse events related to anesthesia and the *** research showed that transcutaneous electrical acupoint stimulation(TEAS)can relieve intraoperative pain and postoperative *** This study examined whether TEAS can alleviate pain and relieve adverse symptoms after oocyte ***,setting,participants and interventions Altogether 128 patients were randomly divided into the TEAS group and the mock TEAS *** two groups received a 30-minute-long TEAS or mock TEAS treatment that began 30 min after oocyte *** outcome measures The primary outcome was the visual analog scale(VAS)pain *** outcomes were pressure pain threshold,McGill score,pain rating index(PRI),present pain intensity(PPI),VAS stress score,VAS anxiety score,and postoperative adverse *** The baseline characteristics of the two groups were comparable(P>0.05).The VAS pain scores of the TEAS group were lower than those of the mock TEAS group at 60 and 90 min after oocyte retrieval(Pmotions,such as nervousness and anxiety(P>0.05).The TEAS group was superior to the mock TEAS group for relieving postoperative adverse symptoms(P<0.05).Conclusion TEAS treatment can relieve postoperative pain and postoperative adverse symptoms for patients undergoing oocyte retrieval.

关键词： Transcutaneous electrical acupoint stimulation Fertilization Embryo transfer Oocyte retrieval Pain Randomized controlled trial

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LibPass:基于包结构和签名的第三方库检测方法

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软件学报 2024年第6期35卷 2880-2902页

作者：徐建袁倩婷南京理工大学计算机科学与工程学院江苏南京210094

第三方库检测是Android应用安全分析领域的上游任务,其检测精度对于恶意应用检测、重打包检测、隐私泄露等下游任务有显著影响.为了提升检测精度和效率,采用相似性比较的思想,提出一种基于包结构和签名的第三方库检测方法,命名为***以... 详细信息

第三方库检测是Android应用安全分析领域的上游任务,其检测精度对于恶意应用检测、重打包检测、隐私泄露等下游任务有显著影响.为了提升检测精度和效率,采用相似性比较的思想,提出一种基于包结构和签名的第三方库检测方法,命名为***以流水线式模式组合主模块识别、第三方库候选识别和细粒度检测等3个组件.主模块识别方法区分主程序二进制代码与引入的第三方库二进制代码,旨在提升方法检测效率.在此基础上,提出由第三方库候选识别和细粒度检测构成的两阶段检测方法.前者利用包结构特征的稳定性来应对应用程序的混淆行为以提升混淆情形下的检测精度,并利用包结构签名完成快速比对以识别候选第三方库,达到显著降低成对比较次数、提升检测效率的目的;后者在前者涮选出的候选中,通过更细粒度但代价更高的相似性分析精确地识别第三方库及其对应的版本.为了验证方法的性能和效率,构建3个评估不同检测能力的基准数据集,在这些基准数据集上开展实验验证,从检测性能、检测效率和抗混淆性等方面对实验结果进行深入分析,结果表明LibPass具备较高的检测精度,检测效率,以及应对多种常用混淆操作的能力.

关键词：第三方库代码混淆安全分析签名

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Association of age at diagnosis of diabetes with subsequent risk of age-related ocular diseases and vision acuity

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World Journal of Diabetes 2024年第4期15卷 697-711页

作者： Si-ting Ye Xian-Wen Shang Yu Huang Susan Zhu Zhuo-ting Zhu Xue-Li Zhang Wei Wang Shu-Lin Tang Zong-yuan Ge Xiao-Hong Yang Ming-Guang He The Second Clinical College Guangzhou University of Chinese MedicineGuangzhou 510120Guangdong ProvinceChina Department of Ultrasound The Second Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou 510120Guangdong ProvinceChina Guangdong Eye Institute Department of OphthalmologyGuangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesGuangzhou 510080Guangdong ProvinceChina Guangdong Cardiovascular Institute Guangdong Provincial People's HospitalGuangdong Academy of Medical SciencesGuangzhou 510080Guangdong ProvinceChina Austin Hospital University of MelbourneMelbourne 3084VictoriaAustralia State Key Laboratory of Ophthalmology Zhongshan Ophthalmic CenterSun Yat-sen UniversityGuangzhou 510060Guangdong ProvinceChina monash e-Research Center Faculty of EngineeringAirdoc ResearchNvidia AI Technology Research CenterMonash UniversityMelbourne 3080VictoriaAustralia Department of Ophthalmic Epidemiology Centre for Eye Research AustraliaMelbourne 3002VictoriaAustralia

BACKGROUND The importance of age on the development of ocular conditions has been reported by numerous *** may have different associations with different stages of ocular conditions,and the duration of diabetes may affect the development of diabetic eye *** there is a dose-response relationship between the age at diagnosis of diabetes and the risk of cardiovascular disease and mortality,whether the age at diagnosis of diabetes is associated with incident ocular conditions remains to be *** is unclear which types of diabetes are more predictive of ocular *** To examine associations between the age of diabetes diagnosis and the incidence of cataract,glaucoma,age-related macular degeneration(AMD),and vision *** Our analysis was using the UK *** cohort included 8709 diabetic participants and 17418 controls for ocular condition analysis,and 6689 diabetic participants and 13378 controls for vision *** diseases were identified using inpatient records until January *** acuity was assessed using a *** During a median follow-up of 11.0 years,3874,665,and 616 new cases of cataract,glaucoma,and AMD,respectively,were identified.A stronger association between diabetes and incident ocular conditions was observed where diabetes was diagnosed at a younger *** with type 2 diabetes(T2D)diagnosed atmoglobin.T2D diagnosed<45 years[HR(95%CI):2.18(1.71-2.79)],45-49 years[1.54(1.19-2.01)],50-54 years[1.60(1.31-1.96)],or 55-59 years of age[1.21(1.02-1.43)]was associated with an increased cataract risk.T2D diagnosed<45 years of age only was associated with an increased risk of glaucoma[HR(95%CI):1.76(1.00-3.12)].HRs(95%CIs)for AMD,cataract,and glaucoma associated with type 1 diabetes(T1D)were 4.12(1.99-8.53),

关键词： Diabetes Age at diagnosis Cataract Glaucoma Age-related macular disease Vision acuity

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Dynamic Sulfur-Rich Polymers from Elemental Sulfur and Epoxides

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Chinese Journal of Polymer Science 2024年第10期42卷 1479-1487,I0010页

作者： Ke-Xiang Chen Chen-Hui Cui Zhen Li ting Xu Hao-Qing Teng Zhi-yuan He Yin-Zhou Guo Xiao-Qing Ming Zhi-Shen Ge Yan-Feng Zhang Tie-Jun Wang School of Chemistry Engineering Research Center of Energy Storage Materials and DevicesMinistry of EducationXi’an Jiaotong UniversityXi’an710049China State Key Lab for Strength and Vibration of Mechanical Structures Department of Engineering MechanicsXi’an Jiaotong UniversityXi’an710049China

Sulfur-containing dynamic polymers had attracted significant attention due to their unique chemical structures with high *** sulfur, an inexpensive industrial waste product, to synthesize dynamic polysulfide polymers through reverse vulcanization has been a notable approach. However, this method required high temperatures and resulted in the release of unpleasant oders. In this study, we presented a robust method for the preparation of sulfur-rich polymers with dynamic polysulfide bonds from elemental sulfur and inexpensive epoxide monomers via a one-pot strategy at the mild room temperature. Different types of polysulfide molecules and polymers were synthesized by reacting various epoxide compounds with sulfur, along with the investigation of their structures and dynamic behaviors. It was noteworthy that the obatined polymers prepared from m-(2,3-epoxypropoxy)-N,N-bis(2,3-epoxypropyl)aniline and elemental sulfur exhibit multiple dynamic behaviors, including polysulfide metathesis and polysulfide-thiol exchange, enabling their rapid stress relaxation, self-healing, reprocessing and degradable properties of the cross-linked polymer. more importantly, the hydroxyl groups at the side chains from epoxide ring opening exhibited potential transesterification. This work provided a facile strategy for designing dynamic sulfur-rich polymers via a mild synthesis route.

关键词： Elemental sulfur Sulfur-containing polymer Dynamic covalent bond Dynamic polymer

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