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Environmental impact assessment of aircraft elevator made with new lightning protection material

Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2022年第9期23卷 669-682页

作者： Shao-ce DONG Cheng-gao LI Gui-jun XIAN Zhong-jie ZHAO Xu-feng ZHANG Qing-wen YUN MOE Key Laboratory of Structures Dynamic Behavior and Control Harbin Institute of TechnologyHarbin 150090China MIIT Key Laboratory of Smart Prevention and Mitigation of Civil Engineering Disasters Harbin Institute of TechnologyHarbin 150090China Shool of Civil Engineering Harbin Institute of TechnologyHarbin 150090China Aviation Industry Corporation of China Ltd.(AVIC)Composite Technology CenterBeijing 101300China Aviation Industry Corporation of China Ltd.(AVIC)Harbin Aircraft Industry Group Co.Ltd.Harbin 150066China

The non-metallic lightning strike protection film covering carbon fiber reinforced polymers(NM-LSP covering CFRP)can reduce the weight and thus the fuel consumption of aircraft by replacing the traditional lightning strike protection(LSP)*** the present study,in order to study the environmental influence of utilizing NM-LSP covering CFRP in an aircraft elevator,a new elevator was designed and manufactured,replacing the aluminium net and glass fiber reinforced polymers(GFRP)with NM-LSP covering CFRP,with the same mechanical and LSP abilities.A comparative life cycle assessment was conducted between the two kinds of aircraft elevators,including material extraction,transportation,elevator manufacturing phase,service phase,and end-of-life ***,the environmental impacts of producing two LSP materials were compared by considering the environmental effects of different buy-to-fly ratios and recycling strategies on the production of aluminium *** analysis indicates that the new elevator achieved reduction for all the environmental impact categories used,such as human toxicity potential and marine aquatic ecotoxicity potential(3.83%and 3.20%reduction).Furthermore,it is found that the service phase makes the greatest contribution to the environmental impact of the elevators under *** recycling is excluded,NM-LSP covering CFRP is more environmentally friendly than the traditional *** the same time,CFRP prepreg and electricity from the production of NM-LSP covering CFRP contribute to a higher environmental impact compared to the NM-LSP *** the sensitivity analysis,it is believed that NM-LSP covering CFRP can reduce environmental impact compared with traditional LSP materials.

关键词： Environmental impact assessment Lightning strike protection(LSP)material Aircraft elevator Life cycle assessment(LCA) Non-metallic lightning strike protection(NM-LSP)material

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Facile integration of an Al-rich Al_(1-x)In_(x)N photodetector on free-standing GaN by radio-frequency magnetron sputtering

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Chinese Physics B 2023年第11期32卷 591-597页

作者：刘新科林之晨林钰恒陈建金邹苹周杰李博沈龙海朱德亮刘强俞文杰黎晓华顾泓王新中黄双武 College of materials Science and Engineering Institute of Microelectronics(IME)Guangdong Research Center for Interfacial Engineering of Functional MaterialsShenzhen UniversityShenzhen 518060China School of Science Shenyang Ligong UniversityShenyang 110159China State Key Laboratory of Functional materials for Informatics Shanghai Institute of Microsystem and Information TechnologyChinese Academy of SciencesShanghai 200050China Gusu Laboratory of materials Science Suzhou 215123China Information Technology Research Institute Shenzhen Institute of Information TechnologyShenzhen 518172China

Al_(1-x)In_(x)N, a Ⅲ-nitride semiconductor material, is currently of great research interest due to its remarkable physical properties and chemical stability. When the Al and In compositions are tuned, its band-gap energy varies from 0.7 eV to 6.2 eV, which shows great potential for application in photodetectors. Here, we report the fabrication and performance evaluation of integrated Al_(1-x)In_(x)N on a free-standing GaN substrate through direct radio-frequency magnetron *** optical properties of Al_(1-x)In_(x)N will be enhanced by the polarization effect of a heterostructure composed of Al_(1-x)In_(x)N and other Ⅲ-nitride materials. An Al_(1-x)In_(x)N/Ga N visible-light photodetector was prepared by semiconductor fabrication technologies such as lithography and metal deposition. The highest photoresponsivity achieved was 1.52 A·W^(-1)under 365 nm wavelength illumination and the photodetector was determined to have the composition Al0.75In0.25N/GaN.A rise time of 0.55 s was observed after transient analysis of the device. The prepared Al_(1-x)In_(x)N visible-light photodetector had a low dark current, high photoresponsivity and fast response speed. By promoting a low-cost, simple fabrication method,this study expands the application of ternary alloy Al_(1-x)In_(x)N visible-light photodetectors in optical communication.

关键词： Ali-xIn N photodetector GaN radio-frequency magnetron sputtering ternary alloy

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Comparative analysis of diverse toxins from a new pharmaceutical centipede,Scolopendra mojiangica

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Zoological Research 2020年第2期41卷 138-147页

作者： Zi-Chao Liu Jin-Yang Liang Xin-Qiang Lan Tao Li Jia-Rui Zhang Fang Zhao Geng Li Pei-Yi Chen Yun Zhang Wen-Hui Lee Feng Zhao Key Laboratory of Ethnic Medical Resources Research and Southeast Asian International Cooperation of Yunnan Universities Department of Biology and ChemistryPuer UniversityPuerYunnan 665000China Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences&Yunnan Province Kunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650223China Engineering Research center for Exploitation and Utilization of Leech Resources in Universities of Yunnan Province School of Agronomy and Life SciencesKunming UniversityKunmingYunnan 650214China Key Laboratory of Active Molecules and Drug Development Puer UniversityPuerYunnan 665000China Kunming College of Life Science University of Chinese Academy of SciencesKunmingYunnan 650204China Institute of Comparative Study of Traditional Materia Medica Institute of Integrative Medicine of Fudan UniversityShanghai 200032China Nanshan College Guangzhou Medical UniversityGuangzhouGuangdong 511436China

As the oldest venomous animals,centipedes use their venom as a weapon to attack prey and for *** venom,which contains many bioactive and pharmacologically active compounds,has been used for centuries in Chinese medicine,as shown by ancient *** on comparative analysis,we revealed the diversity of and differences in centipede toxin-like molecules between Scolopendra mojiangica,a substitute pharmaceutical material used in China,and *** *** than 6000 peptides isolated from the venom were identified by electrospray ionization-tandem mass spectrometry(ESI-MS/MS)and inferred from the *** a result,in the proteome of ***,246 unique proteins were identified:one in five were toxin-like proteins or putative toxins with unknown function,accounting for a lower percentage of total proteins than that in *** mining identified approximately 10 times more toxin-like proteins,which can characterize the precursor structures of mature toxinlike ***,the constitution and quantity of the toxin transcripts in these two centipedes were *** toxicity assays,the crude venom showed strong insecticidal and hemolytic *** findings highlight the extensive diversity of toxin-like proteins in *** and provide a new foundation for the medical-pharmaceutical use of centipede toxin-like proteins.

关键词： Centipede Toxins Pharmaceutical use Proteotranscriptomic analysis

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analysis of human brain tissue derived from DBS surgery

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Translational Neurodegeneration 2022年第1期11卷 625-640页

作者： Salla M.Kangas Jaakko Teppo Maija J.Lahtinen Anu Suoranta Bishwa Ghimire Pirkko Mattila Johanna Uusimaa Markku Varjosalo Jani Katisko Reetta Hinttala PEDEGO Research Unit University of OuluOuluFinland Medical Research center Oulu University HospitalUniversity of OuluOuluFinland Biocenter Oulu University of OuluOuluFinland Institute of Biotechnology HiLIFE Helsinki Institute of Life ScienceUniversity of HelsinkiHelsinkiFinland Drug Research Program Faculty of PharmacyUniversity of HelsinkiHelsinkiFin-land Neurosurgery Research Unit of Clinical NeuroscienceOulu University HospitalUniversity of OuluOuluFinland Oulu Research Group of Advanced Surgical Technologies and Physics(ORGASTP) Research Unit of Clinical NeuroscienceOulu University HospitalUniversity of OuluOuluFinland Institute for Molecular Medicine Finland(FIMM) HiLIFE Helsinki Institute of Life ScienceUniversity of HelsinkiHelsinkiFinland Clinic for Children and Adolescents Division of Pediatric NeurologyOulu University HospitalOuluFinland

Background:Transcriptomic and proteomic profiling of human brain tissue is hindered by the availability of fresh samples from living *** samples usually represent the advanced disease stage of the ***-thermore,the postmortem interval can affect the transcriptomic and proteomic ***,fresh brain tissue samples from living patients represent a valuable resource of metabolically intact *** of deep brain stimulation(DBS)electrodes into the human brain is a neurosurgical treatment for,e.g.,movement ***,we describe an improved approach to collecting brain tissues from surgical instruments used in implantation of DBS device for transcriptomics and proteomics ***:Samples were extracted from guide tubes and recording electrodes used in routine DBS implantation procedure to treat patients with Parkinson’s disease,genetic dystonia and *** sequencing was performed in tissues extracted from the recording microelectrodes and liquid chromatography-mass spectrometry(LC-MS)per-formed in tissues from guide *** assess the performance of the current approach,the obtained datasets were compared with previously published datasets representing brain ***:Altogether,32,034 RNA transcripts representing the unique Ensembl gene identifiers were detected from eight samples representing both hemispheres of four *** using LC-MS,we identified 734 unique proteins from 31 samples collected from 14 *** datasets are available in the BioStudies database(accession number S-BSST667).Our results indicate that surgical instruments used in DBS installation retain brain material sufficient for protein and gene expression *** with previously published datasets obtained with similar approach proved the robustness and reproducibility of the ***:The instruments used during routine DBS surgery are a useful source for obtaining fresh brain tis-sues from living patien

关键词： Deep brain stimulation Movement disorders Brain Proteomics Transcriptomics RNA sequencing LC-MS Personalized medicine

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Efficient Stabilization of Na Storage Reversibility by Ti Integration into O′3-Type NaMnO_(2)

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Energy material Advances 2021年第1期2021卷 143-154页

作者： Takuro Sato Kazuki Yoshikawa Wenwen Zhao Tokio Kobayashi Hongahally Basappa Rajendra Masao Yonemura Naoaki Yabuuchi Department of Chemistry and Life Science Yokohama National University79-5 TokiwadaiHodogaya-kuYokohamaKanagawa 240-8501Japan Department of Applied Chemistry Tokyo Denki UniversityAdachiTokyo 120-8551Japan Elements Strategy Initiative for Catalysts and Batteries Kyoto Universityf1-30 Goryo-OharaNishikyo-kuKyoto 615-8245Japan Institute of materials Structure Science High Energy Accelerator Research OrganizationTsukubaIbaraki 305-0801Japan Department of materials Structure Science Sokendai(The Graduate University for Advanced Studies)203-1 ShirakataTokaiIbaraki 319-1106Japan Advanced Chemical Energy Research center Yokohama National University79-5 TokiwadaiHodogaya-kuYokohamaKanagawa 240-8501Japan

The development of an energy storage system with abundant elements is a key challenge for a sustainable society,and the interest of Na intercalation chemistry is extending throughout the research ***,the impact of Ti integration into NaMnO2 in a binary system of x NaMnO2–(1–x)TiO2(0:5≤x≤1)is systematically examined for rechargeable Na battery *** NaMnO2,which is classified as an in-plane distorted O′3-type layered structure,delivers a large initial discharge capacity of approximately 200 mAhg-1,but insufficient capacity retention is observed,most probably associated with dissolution of Mn ions on electrochemical ***-substituted samples show highly improved electrode performance as electrode ***,the appearance of a sodium-deficient phase,Na4Mn4Ti5O18 with a tunnel-type structure,is observed for Ti-rich *** the samples in this binary system,Na0.8Mn0.8Ti0.2O2(x=0:8),which is a mixture of a partially Ti-substituted O′3-type layered oxide(Na0.88Mn0.88Ti0.12O2)and tunnel-type Na4Mn4Ti5O18 as a minor phase elucidated by Rietveld analysis on both neutron and X-ray diffraction patterns,shows good electrode performance on the basis of energy density and *** phases are electrochemically active as evidenced by in situ X-ray diffraction study,and the improvement of reversibility originates from the suppression of Mn dissolution on electrochemical *** these results,the feasibility of Mn-based electrode materials for high-energy rechargeable Na batteries made from only abundant elements is discussed in detail.

关键词： electrode system Storage

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International non-governmental organizations’provision of communitybased tuberculosis care for hard-to-reach populations in Myanmar,2013-2014

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Infectious Diseases of Poverty 2017年第1期6卷 598-604页

作者： Kyaw Thu Soe Saw Saw Johan van Griensven Shuisen Zhou Le Win Palanivel Chinnakali Safieh Shah Myo Myo Mon Si Thu Aung Department of Medical Research (Pyin Oo Lwin Branch)Ward 16Near Anisakhan AirportPyin Oo Lwin TownshipMandalay RegionMyanmar Institute of Tropical Medicine Nationalestraat 155Antwerp 2000Belgium National Institute of Parasitic Diseases Chinese Center for Disease Control and Prevention207 Ruijin Er RoadShanghai 200025People’s Republic of China Jawaharlal Institute of Postgraduate Medical Education and Research No-1Vinayagar kovil StreetKathirkamamPuducherry605009India Operational Research Unit Medecins Sans FrontieresOperational Research Unit68rue de GasperichLuxembourg City L-1617Luxembourg National Tuberculosis Programme Disease Control UnitNay Pyi Taw Bed 1000 HospitalZabu Kyatthayay roadZabu Thiri TownshipNay Pyi TawMyanmar

Background:National tuberculosis(TB)programs increasingly engage with international non-governmental organizations(INGOs),especially to provide TB care in complex settings where community involvement might be *** Myanmar,however,there is limited data on how such INGO community-based programs are organized and how effective they *** this study,we describe four INGO strategies for providing community-based TB care to hard-to-reach populations in Myanmar,and assess their contribution to TB case ***:We conducted a descriptive study using program data from four INGOs and the National TB Program(NTP)in *** each INGO,we extracted information on its approach and key activities,the number of presumptive TB cases referred and undergoing TB testing,and the number of patients diagnosed with TB and their treatment *** contribution of INGOs to TB diagnosis in their selected townships was calculated as the proportion of INGO-diagnosed new TB cases out of the total NTP-diagnosed new TB cases in the same ***:All four INGOs implemented community-based TB care in challenging contexts,targeting migrants,post-conflict areas,the urban poor,and other vulnerable *** recruited community volunteers via existing community health volunteers or health structures,one via existing community leaderships,and one directly involved TB infected/affected *** INGOs compensated volunteers via performance-based financing,and two provided financial and in-kind *** relied on NTP laboratories for diagnosis and TB drugs,but provided direct observation treatment support and treatment follow-up.A total of 21995 presumptive TB cases were referred for TB diagnosis,with 7383(34%)new TB cases diagnosed and almost all(98%)successfully *** four INGOs contributed to the detection of,on average,36%(7383/20663)of the total new TB cases in their respective townships(range:15-52%).Conclusion:Community-based TB care suppor

关键词： Operational research Community Tuberculosis Volunteers Contribution International nongovernmental organizations Myanmar

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Interobserver agreement for contrast-enhanced ultrasound of liver imaging reporting and data system:A systematic review and metaanalysis

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World Journal of Clinical Cases 2020年第22期8卷 5589-5602页

作者： Jun Li Ming Chen Zi-Jing Wang Shu-Gang Li Meng Jiang Long Shi Chun-Li Cao Tian Sang Xin-Wu Cui Christoph F Dietrich Department of Medical Ultrasound The First Affiliated Hospital of Medical CollegeShihezi UniversityShihezi 832008Xinjiang Uygur Autonomous RegionChina Department of Child Adolescent Health and Maternal HealthSchool of Public HealthCapital Medical UniversityBeijing 100069BeijingChina Department of Medical Ultrasound Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030Hubei ProvinceChina Department of Medical Ultrasound The Second People's Hospital of JiangmenJingmen 448000Hubei ProvinceChina Department of Medical Ultrasound Sino-German Tongji-Caritas Research Center of Ultrasound in MedicineTongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030Hubei ProvinceChina Department of Internal Medicine Hirslanden ClinicBerne 27804Switzerland

BACKGROUND Hepatocellular carcinoma is the most common primary liver *** the results of previous studies,Liver Imaging Reporting and Data System(LIRADS)on contrast-enhanced ultrasound(CEUS)has shown satisfactory diagnostic ***,a unified conclusion on the interobserver stability of this innovative ultrasound imaging has not been *** present metaanalysis examined the interobserver agreement of CEUS LI-RADS to provide some reference for subsequent related *** To evaluate the interobserver agreement of LI-RADS on CEUS and analyze the sources of heterogeneity between *** Relevant papers on the subject of interobserver agreement on CEUS LI-RADS published before March 1,2020 in China and other countries were *** studies were filtered,and the diagnostic criteria were *** selected references were analyzed using the“meta”and“metafor”packages of R software version *** Eight studies were ultimately included in the present ***-analysis results revealed that the summary Kappa value of included studies was 0.76[95%confidence interval,0.67-0.83],which shows substantial *** I2 statistics also confirmed the substantial heterogeneity(I2=91.30%,95%confidence interval,85.3%-94.9%,Ptesting,and patient race,which explained the substantial study *** CEUS LI-RADS demonstrated overall substantial interobserver agreement,but heterogeneous results between studies were also *** clinical investigations should consider a modified recommendation about the experimental design.

关键词： Contrast-enhanced ultrasound Liver imaging reporting and data system Interobserver agreement Systematic review Diagnosis Meta-analysis

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Toward carbon neutrality:Uncovering constraints on critical minerals in the Chinese power system

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Fundamental Research 2022年第3期2卷 367-374页

作者： Wendong Wei Zewen Ge Yong Geng Mingkun Jiang Zhujun Chen Wei Wu School of International and Public Affairs Shanghai Jiao Tong UniversityShanghai 200030China SJTU-UNIDO Joint Institute of Inclusive and Sustainable Industrial Development Shanghai Jiao Tong UniversityShanghai 200030China China Institute for Urban Governance Shanghai Jiao Tong UniversityShanghai 200030China China-UK Low Carbon College Shanghai Jiao Tong UniversityShanghai 201306China Key Laboratory of Pressure Systems and Safety(MOE) School of Mechanical and Power EngineeringEast China University of Science and TechnologyShanghai 200237China Business School University of Shanghai for Science and TechnologyShanghai 200093China Shanghai Climate center Shanghai 200030China

China has set up its ambitious carbon neutrality target,which mainly relies on significant energy-related carbon emissions *** the largest important contributing sector,power sector must achieve energy transition,in which critical minerals will play an essential ***,the potential supply and demand for these minerals are *** study aims to predict the cumulative demand for critical minerals in the power sector under different scenarios via dynamic material flow analysis(DMFA),including total demands,supplies and production capacities of different ***,these critical minerals are categorized into superior and scarce resources for further analysis so that more detailed results can be *** present that the total minerals supply will not meet the total minerals demand(74260 kt)in *** resource shortages will occur for several key minerals,such as Cr,Cu,Mn,Ag,Te,Ga,and *** addition,the demand for renewable energy will be nearly fifty times higher than that of fossil fuels energy,implying more diversified demands for various ***,several policy recommendations are proposed to help improve the overall resource efficiency,such as strategic reserves,material substitutions,and circular economy.

关键词： Carbon neutrality Critical mineral Mismatch gap Power system Circular economy

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Stable Quadruple Helical Tetraradicaloid with Thermally Induced Intramolecular Magnetic Switching

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CCS Chemistry 2022年第1期4卷 95-103页

作者： Jing Guo Zhiyu Li Jun Zhang Bo Li Yuan Liang Yanpei Wang Sheng Xie Hoa Phan Tun Seng Herng Jun Ding Jishan Wu Ben Zhong Tang Zebing Zeng State Key Laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering/Shenzhen Research InstituteHunan UniversityChangsha 410082 School of materials and Chemical Engineering Anhui Jianzhu UniversityHefei 230039 Jiurui Biotechnology Co. Ltd.Zhangjiajie 427000 Department of Chemistry National University of SingaporeSingapore 117543 Department of materials Science and Engineering National University of SingaporeSingapore 119260 Department of Chemistry Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and ReconstructionInstitute for Advanced Study and HKUST-Shenzhen Research InstituteSCUT-HKUST Joint Research InstituteHong Kong University of Science and TechnologyHong Kong 999077

We report an air-stable tetraradicaloid based on a rarely explored perylenequinonoid(PQ)core,namely,tetrabenzo-annulated tetracyclopenta[b,e,k,n]perylene(TBCP),which has a quadruple helical *** validated by X-ray crystallographic analysis and theoretical calculations,the nonplanar TBCP possesses unique hybrid resonance structures of two open-shell singlet ***,magnetic measurements reveal that TBCP in powder form shows unusual magnetic hysteresis upon heating followed by cooling,corresponding to interconversion of structure isomers with different magnetic *** electronic properties can be rationalized as the response of structural changes to external thermal stimuli,accompanied by a subtle balance of two types of intramolecular magnetic interactions between four-site spin *** results provide a novel organic polyradicaloid as an unprecedented example of a functional material with the potential for intramolecular magnetic switching.

关键词： polycyclic hydrocarbons polyradicaloid electronic structure singlet-to-triplet energy gap intramolecular magnetic interaction

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Papillary thyroid cancer and inflammatory bowel disease:Is there a relationship?

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World Journal of Gastroenterology 2013年第7期19卷 1079-1084页

作者： Irene S Sonu Wojciech Blonski Ming Valerie Lin James Lewis Faten Aberra Gary R Lichtenstein Division of Internal Medicine Stanford University Hospital and ClinicsStanfordCA 94305United States Division of Internal Medicine UHS Wilson Medical CenterJohnson CityNY 13790United States Division of Digestive Diseases University of CincinnatiCincinnatiOH 45229United States Division of Gastroenterology Hospital of the University of PennsylvaniaUniversity of Pennsylvania School of MedicinePhiladelphiaPA 19103United States

AIM:To formally study age of diagnosis of papillary thyroid cancer(PTC) in inflammatory bowel disease(IBD) patients and evaluate the prevalence of PTC in IBD patients compared to a control *** that patients with IBD are more likely to be diagnosed with PTC than a control population.A retrospective cohort analysis was performed using the University of Pennsylvania Health System's electronic *** from 1998-2009 were included in the search,and patients in the cohort were selected based on ICD-9 *** criteria included the diagnosis of Crohn's disease(CD) or ulcerative colitis(UC) and the concurrent diagnosis of thyroid cancer in comparison to a control *** these methods 912 patients with CD and 1774 with UC were compared to 1638 diverticulitis and 19 447 asthma *** were performed using corrected chisquare *** primary outcome for this study was the diagnosis of *** to conduct this study was obtained by the Institutional Review Board at the University of ***:The mean age was 47.5 years(range:18-102 years) and 66% patients were *** analysis of variance model was used to compare the age of PTC diagnosis between the CD,UC,asthma and diverticulitis groups,and a statistically significant difference in age at PTC diagnosis was noted across all groups(F = 6.35,df = 3,P = 0.0006).The age of PTC diagnosis in CD patients was statistically significantly lower than UC,asthma,and diverticulitis patients(average PTC diagnosis age for CD 25,UC 49,asthma 45,diverticulitis 63).After covarying for sex and age in 2009,the difference in age at PTC diagnosis remained statistically significant(F = 4.13,df = 3,P = 0.0089).A total of 86 patients were diagnosed with *** patients(0.5%) with UC were diagnosed with *** with UC were not shown to be more likely to develop PTC [odds ratio(OR):1.544,95%CI 0.767-3.108] compared to asthma *** patients(0.4%) with CD were

关键词： Papillary thyroid cancer Inflammatory bowel disease Crohn disease Ulcerative colitis

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