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Advances in nanoprobes-based immunoassays

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BMEMat(BioMedical Engineering Materials) 2024年第1期2卷 49-75页

作者： Lusi Zhang bin Huang jing Jin Yan li ning Gu Jiangsu key Laboratory for Biomaterials and Devices School of Biological Science and Medical EngineeringSoutheast UniversityNanjingChina School of Biomedical Engineering and Informatics Nanjing Medical UniversityNanjingChina Nanjing RealMind Biotech Co. Ltd.Nanjing Economic and Technological Development ZoneNanjingChina Medical School Nanjing UniversityNanjingChina

Immunoassay is a powerful technique that uses highly specific antigenantibody interactions to detect biochemical targets such as proteins and *** a diagnostic tool,immunoassay is employed in the screening,diagnosis,and prognosis of diseases,which are crucial for the grasp and control of patient conditions in clinical *** the rapid development of nanotechnology,immunoassays based on nanoprobes have attracted more and more attention due to the advantages of high sensitivity,specificity,stability,and *** nanoprobes are nanoscale particles that can act as signal carriers or targeting agents for *** this paper,we review the recent advances in various types of nanoprobes for immunoassays,such as colloidal gold,quantum dots,magnetic nanoparticles,nanozymes,aggregation-induced emission,and up-conversion *** effect of the nanoprobe construction and synthesis methods on their detection performance deserves to be studied in *** also compare their detection ranges and limits in different immunoassay methods,such as lateral flow immunoassays,fluorescent immunoassays,and surface-enhanced Raman scattering ***,we discuss the benefits and challenges of nanoprobes in immunoassays and provide insights into their future *** study aims to offer a comprehensive and critical perspective on the role of nanoprobes in the field of immunoassays.

关键词： detection range immunoassay limit of detection nanoprobes

Nanocavity enriched CuPd alloy with high selectivity for CO_(2) electroreduction toward C_(2)H_(4)

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Rare Metals 2024年第4期43卷 1513-1523页

作者： Ze-Yu Zhang Hai-bin Wang Fei-Fei Zhang jing-Wei li Xin-Zhuo Hu Si-Wei Yan Yi-Ming Bai xun Zhang Gu-Rong Shen Peng-Fei Yin jing Yang Cun-Ku Dong jing Mao Hui liu Xi-Wen Du Institute of New-Energy Materials School of Materials Science and EngineeringTianjin UniversityTianjin300350China

Electrocatalysis of CO_(2)reduction reaction is an effective way to convert CO_(2)into high value-added products,but the selectivity of Cu-based catalysts for C2+products needs to be improved due to the high energy barrier of C-C ***,a viable catalyst design strategy to decrease energy barrier of C-C coupling should be put ***,a nanocavity-enriched CuPd single atom alloy(CuPd SAA)catalyst is designed to promote CC coupling *** faradaic efficiency of CuPd SAA for ethylene and C_(2+)reaches 75.6%and 85.7%at-0.7 V versus reversible hydrogen electrode(RHE),*** on the results given by in situ characterization,the porous hollow structure dramatically increases the ratio of the linear-bond*CO,thus enhancing the faradaic efficiency for *** functional theory(DFT)calculation reveals that the Pd doping can regulate the electronic structure of neighboring Cu atoms to decrease the energy barrier of C-C coupling,further improving the faradaic *** work provides a new idea for designing catalyst with high selectivity for ethylene.

关键词： Adsorption configuration C-C coupling CO_(2) electrocatalysis Ethylene Single atom alloy

XELOX(capecitabine plus oxaliplatin)plus bevacizumab(anti-VEGF-A antibody)with or without adoptive cell immunotherapy in the treatment of patients with previously untreated metastatic colorectal cancer:a multicenter,open-label,randomized,controlled,phase 3 trial

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Signal Transduction and Targeted Therapy 2024年第5期9卷 2104-2113页

作者： Qiu-Zhong Pan jing-jing Zhao liang liu Dong-Sheng Zhang li-ping Wang Wen-Wei Hu De-Sheng Weng Xiang Xu Yi-Zhuo li Yan Tang Wei-Hong Zhang Jie-Yao li Xiao Zheng Qi-jing Wang Yong-Qiang li Tong Xiang li Zhou Shuang-ning Yang Chen Wu Rong-Xing Huang Jia He Wei-Jiao Du Lu-Jun Chen Yue-Na Wu bin Xu Qiong Shen Yi Zhang jing-Ting Jiang Xiu-Bao Ren Jian-Chuan Xia State key Laboratory of Oncology in South China Guangdong Provincial Clinical Research Center for CancerCollaborative Innovation Center for Cancer MedicineSun Yat-Sen University Cancer CenterGuangzhouGuangdong 510060PR China Department of Biotherapy Sun Yat-Sen University Cancer CenterGuangzhouGuangdong 510060PR China Tianjin Medical University Cancer Institute and Hospital National Clinical Research Center for CancerTianjin 300060PR China key Laboratory of Cancer Immunology and Biotherapy Tianjin 300060PR China Department of Biotherapy/Immunology Tianjin Medical University Cancer Institute and HospitalTianjin 300060PR China Department of Medical Oncology Sun Yat-sen University Cancer CenterGuangzhou 510060PR China Department of Oncology the First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052PR China Department of Tumor Biological Treatment the Third Affiliated Hospital of Soochow UniversityChangzhouJiangsu 213003PR China Jiangsu Engineering Research Center for Tumor Immunotherapy ChangzhouJiangsu 213003PR China Institute for Cell Therapy of Soochow University ChangzhouJiangsu 213003PR China Department of Stem Cell&Regenerative Medicine State Key Laboratory of TraumaBurn and Combined InjuryDaping HospitalArmy Medical UniversityChongqing 400042PR China Imaging Diagnosis and Interventional Center Sun Yat-sen University Cancer CenterGuangzhouGuangdong 510060PR China

Fluoropyrimidine-based combination chemotherapy plus targeted therapy is the standard initial treatment for unresectable metastatic colorectal cancer(mCRC),but the prognosis remains *** phase 3 trial(***:NCT03950154)assessed the efficacy and adverse events(AEs)of the combination of PD-1 blockade-activated DC-CIK(PD1-T)cells with XELOX plus bevacizumab as a first-line therapy in patients with mCRC.A total of 202 participants were enrolled and randomly assigned in a 1:1 ratio to receive either first-line XELOX plus bevacizumab(the control group,n=102)or the same regimen plus autologous PD1-T cell immunotherapy(the immunotherapy group,n=100)every 21 days for up to 6 cycles,followed by maintenance treatment with capecitabine and *** main endpoint of the trial was progression-free survival(PFS).The median follow-up was 19.5 *** PFS was 14.8 months(95%CI,11.6-18.0)for the immunotherapy group compared with 9.9 months(8.0-11.8)for the control group(hazard ratio[HR],0.60[95%CI,0.40-0.88];p=0.009).Median overall survival(OS)was not reached for the immunotherapy group and 25.6 months(95%CI,18.3-32.8)for the control group(HR,0.57[95%CI,0.33-0.98];p=0.043).Grade 3 or higher AEs occurred in 20.0%of patients in the immunotherapy group and 23.5%in the control groups,with no toxicity-associated deaths *** addition of PD1-T cells to first-line XELOX plus bevacizumab demonstrates significant clinical improvement of PFS and OS with well tolerability in patients with previously untreated mCRC.

关键词： PD1 immunotherapy bevacizumab

Study of the response of 10B-doped MCP to wide-energy range neutrons from eV to MeV

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Nuclear Science and Techniques 2024年第8期35卷 132-141页

作者： Qiang li li‑Jiao Wang Xiang‑Biao Qiu jing‑Wen li Wei Xu Tao li Ze‑bin lin Chang‑Jun ning Yong‑Hao Chen Rui‑Rui Fan Kang Sun jing‑Yu Tang Rong Zhang Han‑Tao jing Bo Mei Qi An Hao‑Fan Bai Jiang‑Bo Bai Jie Bao ping Cao Qi‑ping Chen Zhen Chen Zeng‑Qi Cui An‑Chuan Fan Chang‑Qing Feng Fan‑Zhen Feng ke‑Qing Gao Min‑Hao Gu Chang‑Cai Han Zi‑Jie Han Guo‑Zhu He Yong‑Cheng He Yang Hong Yi‑Wei Hu Han‑Xiong Huang Wei‑Hua Jia Hao‑Yu Jiang Wei Jiang Zhi‑Jie Jiang Zheng‑Yao Jin ling Kang Bo li Chao li Gong li Jia‑Wen li Xiao li Yang li Jie liu Rong liu Shu‑bin liu Guang‑Yuan Luan bin‑bin Qi Jie Ren Zhi‑Zhou Ren Xi‑Chao Ruan Zhao‑Hui Song Zhi‑Xin Tan Sheng‑Da Tang Peng‑Cheng Wang Zhao‑Hui Wang Zhong‑Wei Wen Xiao‑Guang Wu Xuan Wu li‑Kun Xie Yi‑Wei Yang Han Yi Yong‑Ji Yu Guo‑Hui Zhang lin‑Hao Zhang Mo‑Han Zhang Qi‑Wei Zhang Xian‑Peng Zhang Yu‑liang Zhang Yue Zhang Zhi‑Yong Zhang Mao‑Yuan Zhao Lu‑ping Zhou Zhi‑Hao Zhou ke‑Jun Zhu Institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China State key Laboratory of Particle Detection and Electronics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Dongguan Songshan Lake Future School Dongguan 523808China North Night Vision Science&Technology(Nanjing)Research Institute Co.Ltd. Nanjing 211106China Sino‑French Institute of Nuclear Engineering and Technology Sun Yat-sen UniversityZhuhai 519082China School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230027China State key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China State key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Institute of Nuclear Physics and Chemistry China Academy of Engineering PhysicsMianyang 621900China key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China USTC Archaeometry Lab University of Science and Technology of ChinaHefei 230026China Northwest Institute of Nuclear Technology Xi’an 710024China University of Chinese Academy of Sciences Beijing 100049China

Neutron-sensitive microchannel plates(nMCPs)have applications in neutron detection,including energy spectrum measurements,neutron-induced cross sections,and neutron imaging.10B-doped MCPs(B-MCPs)have attracted significant attention owing to their potential for exhibiting a high neutron detection efficiency over a large neutron energy *** spatial and temporal resolutions are useful for neutron energy-resolved ***,their practical applications still face many technical *** this study,a B-MCP with 10 mol%10B was tested for its response to wide-energy neutrons from eV to MeV at the Back-n white neutron source at the China Spallation Neutron *** neutron detection efficiency was calibrated at 1 eV,which is approximately 300 times that of an ordinary MCP and indicates the success of 10 B *** factors that caused the reduction in the detection efficiency were simulated and *** neutron energy spectrum obtained using B-MCP was compared with that obtained by other measurement methods,and showed very good consistency for neutron energies below tens of *** response is more complicated at higher neutron energy,at which point the elastic and nonelastic reactions of all nuclides of B-MCP gradually become *** is beneficial for the detection of neutrons,as it compensates for the detection efficiency of B-MCP for high-energy neutrons.

关键词： Neutron radiation image 10B-doped MCP Neutron response Wide-energy range neutrons

Whole-genome Sequencing Reveals Autooctoploidy in Chinese Sturgeon and Its Evolutionary Trajectories

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Genomics, Proteomics & Bioinformatics 2024年第1期22卷 51-65页

作者： binzhong Wang bin Wu Xueqing liu Yacheng Hu Yao Ming Mingzhou Bai Juanjuan liu Kan Xiao Qingkai Zeng jing Yang Hongqi Wang Baifu Guo Chun Tan Zixuan Hu xun Zhao Yanhong li Zhen Yue Junpu Mei Wei Jiang Yuanjin Yang Zhiyuan li Yong Gao Lei Chen Jianbo Jian Hejun Du Hubei key Laboratory of Three Gorges Project for Conservation of Fishes Yichang 443100China Chinese Sturgeon Research Institute China Three Gorges CorporationYichang 443100China Yangtze River Biodiversity Research Center China Three Gorges CorporationWuhan 430014China BGI-Shenzhen Shenzhen 518083China BGI Genomics BGI-ShenzhenShenzhen 518083China Department of Biotechnology and Biomedicine Technical University of DenmarkLyngby 2800Denmark River Basin Complex Administration Center China Three Gorges CorporationYichang 443100China BGI-Sanya BGI-ShenzhenSanya 572025China Yangtze Eco-Environment Engineering Research Center China Three Gorges CorporationBeijing 100038China

The order Acipenseriformes,which includes sturgeons and paddlefishes,represents“living fossils”with complex genomes that are good models for understanding whole-genome duplication(WGD)and ploidy evolution in ***,we sequenced and assembled the first high-quality chromosome-level genome for the complex octoploid Acipenser sinensis(Chinese sturgeon),a critically endangered species that also represents a poorly understood ploidy group in *** results show that *** is a complex autooctoploid species containing four kinds of octovalents(8n),a hexavalent(6n),two tetravalents(4n),and a divalent(2n).An analysis taking into account delayed rediploidization reveals that the octoploid genome composition of Chinese sturgeon results from two rounds of homologous WGDs,and further provides insights into the timing of its ploidy *** study provides the first octoploid genome resource of Acipenseriformes for understanding ploidy compositions and evolutionary trajectories of polyploid fishes.

关键词： Chinese sturgeon Whole-genome sequencing Autooctoploid Polyploidization and diploidization Whole-genome duplication

Nondestructive technique for identifying nuclides using neutron resonance transmission analysis at CSNS Back-n

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Nuclear Science and Techniques 2024年第1期35卷 178-187页

作者： Sheng-Da Tang Yong-Hao Chen jing-Yu Tang Rui-Rui Fan Qiang li Gong li Dong liu Zheng-Yao Jin Xing-Zhu Cui Tian-Xiang Chen Yi-Wei Yang Rong liu Han Yi Yang li Zhen Yang Qi An Hao-Fan Bai Jiang-Bo Bai Jie Bao ping Cao Qi-ping Chen Zhen Chen Zeng-Qi Cui An-Chuan Fan Chang-Qing Feng Fan-Zhen Feng ke-Qing Gao Min-Hao Gu Chang-Cai Han Zi-Jie Han Guo-Zhu He Yong-Cheng He Yang Hong Yi-Wei Hu Han-Xiong Huang Wei-Hua Jia Hao-yu Jiang Wei Jiang Zhi-jie Jiang ling Kang Bo li Chao li Jia-Wen li Xiao li Jie liu Shu-bin liu Guang-Yuan Luan Chang-Jun ning bin-bin Qi Jie Ren Zhi-Zhou Ren Xi-Chao Ruan Zhao-Hui Song Kang Sun Zhi-Xin Tan li-Jiao Wang Peng-Cheng Wang Zhao-Hui Wang Zhong-Wei Wen Xiao-Guang Wu Xuan Wu li-Kun Xie Yong-Ji Yu Guo-Hui Zhang lin-Hao Zhang Mo-Han Zhang Qi-Wei Zhang Xian-Peng Zhang Yu-liang Zhang Yue Zhang Zhi-Yong Zhang Mao-Yuan Zhao Lu-ping Zhou Zhi-Hao Zhou ke-Jun Zhu Sino-French Institute of Nuclear Engineering and Technology Sun Yat-sen UniversityZhuhai 519082China Institute of High-Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230026China State key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China State key Laboratory of Particle Detection and Electronics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China USTC Archaeometry Laboratory University of Science and Technology of ChinaHefei 230026China Institute of Nuclear Physics and Chemistry China Academy of Engineering PhysicsMianyang 621900China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China State key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China Northwest Institute of Nuclear Technology Xi’an 710024China University of Chinese Academy of Sciences Beijing 100049China

Nondestructive and noninvasive neutron assays are essential applications of neutron *** resonance transmission analysis(NRTA)is a powerful nondestructive method for investigating the elemental composition of an *** back-streaming neutron line(Back-n)is a newly built time-of-flight facility at the China Spallation Neutron Source(CSNS)that provides neutrons in the eV to 300 MeV range.A feasibility study of the NRTA method for nuclide identification was conducted at the CSNS Back-n via two test *** results demonstrate that it is feasible to identify different elements and isotopes in samples using the NRTA method at *** study reveals its potential future applications.

关键词： CSNS White neutron beam NRTA Nuclide identification Nondestructive method

Moxibustion at ST36 activates peritoneal macrophages in CTX-induced immunosuppression in mouse model via IFN-γ

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Traditional Medicine Research 2024年第1期9卷 57-68页

作者： li Tan jing li Nan Cao Zhi-Yu Ye bin-Yan Mo Hong-Da Chen Jiang Pan ning Wang Department of Traditional Chinese Medicine Shenzhen Longhua District Central HospitalShenzhen 518110China Department of Acupuncture and moxibustion Massage Rehabilitation The First Hospital of Hunan University of Chinese MedicineChangsha 410021China Department of Traditional Chinese Medicine The Seventh Affiliated HospitalSun Yat-sen UniversityShenzhen 518107China

Background:To explored whether moxa cone moxibustion can reduce peritoneal inflammation by increasing the content of peritoneal macrophages and B cells via ***:The mice were randomly divided into three groups with six mice in each group:the control group,model group,and moxibustion group,and the model was established in mice using *** the moxibustion group,the mice received moxa cone moxibustion at Zusanli(ST36)for 7 *** of Peritoneal cell were detected by flow cytometry and immunofluorescence,the protein expression level in the peritoneal fluid were measured with mouse cytokine antibody arrays and verified by enzyme linked immuno sorbent assay test,and RNA-Sequencing was used for peritoneal cell RNA ***:Our results showed that moxa cone moxibustion could reduce the loss of large peritoneal macrophages and B1 cells(Plinked immuno sorbent assay test of peritoneal fluid,we found that IFN‐γwas up-regulated in moxibustion group(Plineage,Inflammatory bowel disease and *** differentially expressed genes visualization protein-protein interaction network shows the top 10 genes including Ifng,Grb2,CCR7,CTLA4,CXCR5,Foxp3,kit,PRF1,CD5 and ***:These findings showed that moxa cone moxibustion can alleviate chemotherapy-induced diarrhea by reducing the loss of large peritoneal macrophages and B1 cells in the peritoneal cavity,possibly through up-regulating inflammatory bowel disease signaling pathway via interfe

关键词： moxibustion IFN-γ cyclophosphamide Zusanli(ST36)

Epidemiological and clinical features,treatment status,and economic burden of traumatic spinal cord injury in China:a hospital-based retrospective study

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Neural Regeneration Research 2024年第5期19卷 1126-1132页

作者： Hengxing Zhou Yongfu Lou lingxiao Chen Yi Kang Lu liu Zhiwei Cai David BAnderson Wei Wang Chi Zhang jinghua Wang Guangzhi ning Yanzheng Gao Baorong He Wenyuan Ding Yisheng Wang Wei Mei Yueming Song Yue Zhou Maosheng Xia Huan Wang Jie Zhao Guoyong Yin Tao Zhang Feng jing Rusen Zhu bin Meng li Duan Zhongmin Zhang Desheng Wu Zhengdong Cai lin Huang Zhanhai Yin Kainan li Shibao Lu Shiqing Feng Department of Orthopedics The Second HospitalCheeloo College of MedicineShandong UniversityShandongChina Department of Orthopedics Shandong University Center for OrthopedicsQilu HospitalCheeloo College of MedicineShandong UniversityShandongChina Department of Orthopedics Tianjin Medical University General HospitalInternational Science and Technology Cooperation Base of Spinal Cord InjuryTianjin Key Laboratory of Spine and Spinal CordTianjinChina Faculty of Medicine and Health The Back Pain Research TeamSydney Musculoskeletal HealthThe Kolling InstituteUniversity of SydneySydneyNSWAustralia Department of Spine Surgery Honghui HospitalXi’an Jiaotong UniversityXi’anShaanxi ProvinceChina Department of Burns and Plastic Surgery The Fourth Medical Center of Chinese PLA General HospitalBeijingChina Faculty of Medicine and Health School of Health SciencesUniversity of SydneyNSWAustralia Sydney Spine Institute BurwoodSydneyNSWAustralia Laboratory of Epidemiology Tianjin Neurological InstituteDepartment of NeurologyTianjin Medical University General Hospital&Tianjin Neurological InstituteKey Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous SystemMinistry of Education and Tianjin CityTianjinChina Department of Orthopedics Henan Provincial People’s HospitalZhengzhouHenan ProvinceChina Department of Spinal Surgery The Third Hospital of Hebei Medical UniversityShijiazhuangHebei ProvinceChina Department of Orthopedics The First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan ProvinceChina Department of Spine Surgery Zhengzhou Orthopedics HospitalZhengzhouHenan ProvinceChina Department of Orthopedic Surgery and Orthopedic Research Institute West China HospitalSichuan UniversityChengduSichuan ProvinceChina Department of Orthopedics Xinqiao HospitalArmy Medical UniversityChongqingChina Department of Orthopedics The First Affiliated Hospital of China Medical UniversityShenyangLiaoning ProvinceChina Department of Spinal Surgery Shengj

Traumatic spinal cord injury is potentially catastrophic and can lead to permanent disability or even *** has the largest population of patients with traumatic spinal cord *** studies of traumatic spinal cord injury in China have mostly been regional in scope;national-level studies have been *** the best of our knowledge,no national-level study of treatment status and economic burden has been *** retrospective study aimed to examine the epidemiological and clinical features,treatment status,and economic burden of traumatic spinal cord injury in China at the national *** included 13,465 traumatic spinal cord injury patients who were injured between January 2013 and December 2018 and treated in 30 hospitals in 11 provinces/municipalities representing all geographical divisions of *** epidemiological and clinical features,treatment status,and total and daily costs were *** in the percentage of traumatic spinal cord injuries among all hospitalized patients and among patients hospitalized in the orthopedic department and cost of care were assessed by annual percentage change using the Joinpoint Regression *** percentage of traumatic spinal cord injuries among all hospitalized patients and among patients hospitalized in the orthopedic department did not significantly change overall(annual percentage change,-0.5%and 2.1%,respectively).A total of 10,053(74.7%)patients underwent *** 2.8%of patients who underwent surgery did so within 24 hours of injury.A total of 2005(14.9%)patients were treated with high-dose(≥500 mg)methylprednisolone sodium succinate/methylprednisolone(MPSS/MP);615(4.6%)received it within 8 *** total cost for acute traumatic spinal cord injury decreased over the study period(-4.7%),while daily cost did not significantly change(1.0%increase).Our findings indicate that public health initiatives should aim at improving hospitals’ability to complete early surgery within 24 ho

关键词： China clinical features costs epidemiology methylprednisolone sodium succinate methylprednisolone retrospective study traumatic spinal cord injury treatment

10B-doped MCP detector developed for neutron resonance imaging at Back-n white neutron source

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Nuclear Science and Techniques 2024年第8期35卷 58-68页

作者： Qiang li li‑Jiao Wang jing‑Yu Tang Xiang‑Biao Qiu Zhen Chen Mao‑Yuan Zhao Chang‑Jun ning Kai Pan Wei Xu Tao li Su‑Peng Lu Han Yi Rui‑Rui Fan Chang‑Qing Feng Rong Zhang Xiao‑Yang Sun Qi An Hao‑Fan Bai Jiang‑Bo Bai Jie Bao ping Cao Qi‑ping Chen Yong‑Hao Chen Zeng‑Qi Cui An‑Chuan Fan Fan‑Zhen Feng Min‑Hao Gu Chang‑Cai Han Zi‑Jie Han Guo‑Zhu He Yong‑Cheng He Yang Hong Yi‑Wei Hu Han‑Xiong Huang Wei Jiang Zhi‑Jie Jiang Zheng‑Yao Jin ling Kang Bo li Gong li Xiao li Yang li Jie liu Rong liu Shu‑bin liu Yi‑Na liu Guang‑Yuan Luan Jie Ren Zhi‑Zhou Ren Xi‑Chao Ruan Zhao‑Hui Song Kang Sun Zhi‑Xin Tan Sheng‑Da Tang Jin‑Cheng Wang Peng‑Cheng Wang Zhao‑Hui Wang Zhong‑Wei Wen Xiao‑Guang Wu Xuan Wu Cong Xia Yong‑Ji Yu Guo‑Hui Zhang Hang‑Chang Zhang lin‑Hao Zhang Qi‑Wei Zhang Xian‑Peng Zhang Yu‑liang Zhang Yue Zhang Zhi‑Yong Zhang Zhi‑Hao Zhou ke‑Jun Zhu Chong Zou Institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China State key Laboratory of Particle Detection and Electronics Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Dongguan Songshan Lake Future School Dongguan 523808China School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230027China State key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China North Night Vision Science and Technology(Nanjing)Research Institute Co.Ltd Nanjing 211106China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China State key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Institute of Modern Physics Fudan UniversityShanghai 200433China key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China China Academy of Engineering Physics Institute of Nuclear Physics and ChemistryMianyang 621900China USTC archaeometry lab University of Science and Technology of ChinaHefei 230026China Northwest Institute of Nuclear Technology Xi’an 710024China University of Chinese Academy of Sciences Beijing 100049China China Shipbuilding Trading Co. LtdBeijing 100044China

Neutron resonance imaging(NRI)has recently emerged as an appealing technique for neutron *** complexity surpasses that of conventional transmission imaging,as it requires a high demand for both a neutron source and ***,the progression of NRI technology has been sluggish since its inception in the 1980s,particularly considering the limited studies analyzing the neutron energy range above *** white neutron source(Back-n)at the China Spallation Neutron Source(CSNS)provides favorable beam conditions for the development of the NRI technique over a wide neutron energy range from eV to ***-sensitive microchannel plates(MCP)have emerged as a cutting-edge tool in the field of neutron detection owing to their high temporal and spatial resolutions,high detection efficiency,and low *** this study,we report the development of a 10B-doped MCP detector,along with its associated electronics,data processing system,and NRI experiments at the *** heavy elements such as gold,silver,tungsten,and indium can be easily identified in the transmission images by their characteristic resonance peaks in the 1–100 eV energy range;the more difficult medium-weight elements such as iron,copper,and aluminum with resonance peaks in the 1–100 keV energy range can also be *** particular,results in the neutron energy range of dozens of keV(Aluminum)are reported here for the first time.

关键词： Neutron resonance imaging 10B doped MCP detector White neutron source Sample nuclide identification