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

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

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MLDA:a multi-level k-degree anonymity scheme on directed social network graphs

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Frontiers of Computer Science 2024年第2期18卷 199-215页

作者： Yuanjing hao Long LI Liang CHANG Tianlong gu guangxi Key Laboratory of Trusted Software Guilin University of Electronic TechnologyGuilin 541004China Engineering Research Center of Trustworthy AI(ministry of Education) Jinan UniversityGuangzhou 510632China

With the emergence of network-centric data,social network graph publishing is conducive to data analysts to mine the value of social networks,analyze the social behavior of individuals or groups,implement personalized recommendations,and so ***,published social network graphs are often subject to re-identification attacks from adversaries,which results in the leakage of users’***-anonymity technology is widely used in the field of graph publishing,which is quite effective to resist re-identification ***,the current researches still exist some issues to be solved:the protection of directed graphs is less concerned than that of undirected graphs;the protection of graph structure is often ignored while achieving the protection of nodes’identities;the same protection is performed for different users,which doesn’t meet the different privacy requirements of ***,to address the above issues,a multi-level-degree anonymity(MLDA)scheme on directed social network graphs is proposed in this ***,node sets with different importance are divided by the firefly algorithm and constrained connectedness upper approximation,and they are performed different-degree anonymity protection to meet the different privacy requirements of ***,a new graph anonymity method is proposed,which achieves the addition and removal of edges with the help of fake *** addition,to improve the utility of the anonymized graph,a new edge cost criterion is proposed,which is used to select the most appropriate edge to be ***,to protect the community structure of the original graph as much as possible,fake nodes contained in a same community are merged prior to fake nodes contained in different *** results on real datasets show that the newly proposed MLDA scheme is effective to balance the privacy and utility of the anonymized graph.

关键词： directed social network graph graph publishing k-degree anonymity community structure graph utility

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Nuclear transport receptors underpin plastidial retrograde signaling

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Molecular Plant 2024年第7期17卷 993-995页

作者： min Jia Yangnan gu Department of Plant and Microbial Biology University of CaliforniaBerkeleyBerkeleyCAUSA

The nucleus integrates cytosolic and organellar signals to regulate gene expression during plant stress responses,and this process is highly dependent on shuttling of signaling molecules in and out of the *** nucleocytoplasmic transport of macromolecules is facilitated by nuclear transport receptors(NTRs).NTRs are broadly categorized into exportins,which mediate the export of cargo from the nucleus to the cytoplasm,and importins,which facilitate the import of cargo into the *** importin family comprises importin-α(IMPa)and importin-β(IMPp).IMPa proteins are adaptor proteins and composed of three functional domains:an N-terminal IMPβ-binding(IBB)domain,ten Armadillo(ARM)repeats responsible for recognizing and interacting with cargo,and an exportin-interacting domain crucial for recycling via nuclear export(Wing et al.,2022).During a nuclear transport event,*** cargo containing a classical nuclear localization signal(cNLS)through its ARM repeats and engages IMPβvia its IBB domain,forming the cargo-IMPa-IMPβternary ***βfacilitates translocation of this complex through the nuclear *** inside the nucleus,RanGTP competes with IMPa for binding to IMPβ,promoting disassembly of the transport complex and releaseofcargo.

关键词： complex. integrate ternary

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Juvenile cardiomyopathy with dystrophin deficiency

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Genes & Diseases 2024年第3期11卷 30-33页

作者： Yuhui Luo Qinglan Shu Yi Wang min gu hao Zhang Siqi Hong Rui Wang Lixue Yin Department of Cardiology Chongqing General HospitalChongqing 401147China Department of Cardiovascular Ultrasound and Noninvasive Cardiology Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of China(UESTC)ChengduSichuan 610072China Department of RadiologyChongqing General HospitalChongqing 401147China Department of Neurology Children's Hospital of Chongqing Medical UniversityChongqing 400014China School of Medicine Zunyi Medical UniversityZunyiGuizhou 563000China

Pseudohypertrophic muscular dystrophy is a lethal X-linked recessive neuromuscular disorder caused by mutations in the dystrophin *** gene encodes a cytoskeletal protein that is extensively expressed in muscle cells and that enables the strength,stability,and functionality of *** dystrophy can be grouped into two different categories based on the mutational rate and clinical severity,Duchenne muscular dystrophy(DMD)and Becker muscular dystrophy(BMD).DMD is the most common and the more severe type of *** patients usually become wheelchair-bound by the age of 12 years and die in their late teens to early twenties.^(1)In contrast,BMD is relatively less severe and the patients can potentially have alonger lifeexpectancy.

关键词： dystrophin dystrophy Becker

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Vectorial adaptive optics:expanding the frontiers of optical correction

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Light(Science & Applications) 2024年第2期13卷 170-171页

作者： Qiming Zhang min gu Institute of Photonic Chips University of Shanghai for Science and TechnologyShanghai200093China

Researchers at the University of Oxford have introduced a groundbreaking technique called vectorial adaptive optics(V-AO),which extends the capabilities of traditional adaptive optics to correct for both polarization and phase *** novel approach opens new possibilities for manipulating the complex vectorial field in optical systems,enabling higher-dimensional feedback correction.

关键词： optics correction frontier

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The Traf2 and NcK interacting kinase inhibitor NCB-0846 suppresses seizure activity involving the decrease of GRIA1

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Genes & Diseases 2024年第3期11卷 452-467页

作者： min Wang Yixue gu Qiubo Li Bangzhe Feng Xinke Lv hao Zhang Qingxia Kong Zhifang Dong Xin Tian Yanke Zhang Department of Neurology Affiliated Hospital of Jining Medical UniversityJiningShandong 272000China Department of Neurology The First Affiliated Hospital of Chongqing Medical UniversityChongqing Key Laboratory of NeurologyChongqing 400016China Department of Pediatrics Affiliated Hospital of Jining Medical UniversityJiningShandong 272000China Department of Neurosurgery Affliated Hospital of Jining Medical UniversityJiningShandong 272000China Pediatric Research Institute Ministry of Education Key Laboratory of Child Development and DisordersNational Clinical Research Center for Child Health and DisordersChongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory DisordersChildren's Hospital of Chongqing Medical UniversityChongqing 400014China Center for Excellence in Brain Science and Intelligence Technology Chinese Academy of SciencesShanghai 200031China

Epilepsy,one of the most common neurological disorders,is characterized by spon-taneous recurrent *** lobe epilepsy(TLE)is one of the most common medically intractable seizure ***2-and NcK-interacting kinase(TNIK)has recently attracted attention as a critical modulation target of many neurological and psychiatric disorders,but its role in epilepsy remains *** this study,we hypothesized the involvement of TNIK in epilepsy and investigated TNIK expression in patients with intractable TLE and in a pilocarpineinduced rat model of epilepsy by western blotting,immunofluorescence,and immunohistochemistry.A pentylenetetrazole(PTZ)-induced epilepsy rat model was used to determine the effect of the TNIK inhibitor NCB-0846 on behavioral manifestations of ***(Co-IP)/mass spectrometry(MS)was used to identify the potential *** Co-IP,we detected and confirmed the main potential TNIK *** fractionation was used to establish the effect of NCB-0846 on the expression of the main interactors in postsynaptic density(PSD)*** found that TNIK was primarily located in neurons and decreased significantly in epilepsy model rats and TLE patients compared with ***-0846 delayed kindling progression and decreased seizure ***-IP/MS identified 63 candidate TNIK interactors in rat hippocampi,notably ***-IP showed that TNIK might correlate with endogenous GRIA1,SYN2,PSD-95,CaMKIV,GABRG1,and *** addition,the significant decrease in GRIA1 in hippocampal total lysate and PSDs after NCB-0846 treatment might help modify the progression of PTZ *** results suggest that TNIK contributes to epileptic pathology and is a potential antiepileptic drug target.

关键词： Epilepsy NCB-0846 Rat TLE TNIK Traf2-and NcK-interacting kinase

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Ultrahigh performance passive radiative cooling by hybrid polar dielectric metasurface thermal emitters

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Opto-Electronic Advances 2024年第4期7卷 17-25页

作者： Yinan Zhang Yinggang Chen Tong Wang Qian Zhu min gu Institute of Photonic Chips University of Shanghai for Science and TechnologyShanghai 200093China Centre for Artificial-Intelligence Nanophotonics School of Optical-Electrical and Computer EngineeringUniversity of Shanghai for Science and TechnologyShanghai 200093China

Real-world passive radiative cooling requires highly emissive,selective,and omnidirectional thermal emitters to maintain the radiative cooler at a certain temperature below the ambient temperature while maximizing the net cooling *** various selective thermal emitters have been demonstrated,it is still challenging to achieve these conditions sim-ultaneously because of the extreme difficulty in controlling thermal emission of photonic structures in *** we demonstrated hybrid polar dielectric metasurface thermal emitters with machine learning inverse design,en-abling a high emissivity of~0.92 within the atmospheric transparency window 8-13μm,a large spectral selectivity of~1.8 and a wide emission angle up to 80 degrees,*** selective and omnidirectional thermal emitter has led to a new record of temperature reduction as large as~15.4°C under strong solar irradiation of~800 W/m2,signific-antly surpassing the state-of-the-art *** designed structures also show great potential in tackling the urban heat island effect,with modelling results suggesting a large energy saving and deployment area *** research will make significant impact on passive radiative cooling,thermal energy photonics and tackling global climate change.

关键词： radiative cooling dielectric metasurfaces machine learning thermal emitters

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Achieving High Strength and Tensile Ductility in Pure Nickel by Cryorolling with Subsequent Low-Temperature Short-Time Annealing

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Engineering 2024年第2期33卷 190-203页

作者： Zhide Li hao gu Kaiguang Luo Charlie Kong Hailiang Yu Light Alloys Research Institute Central South UniversityChangsha 410083China State Key Laboratory of High Performance Complex Manufacturing Central South UniversityChangsha 410083China College of Mechanical and Electrical Engineering Central South UniversityChangsha 410083China Electron Microscope Unit University of New South WalesSydneyNSW 2052Australia

Ultra fine-grained pure metals and their alloys have high strength and low *** this study,cryorolling under different strains followed by low-temperature short-time annealing was used to fabricate pure nickel sheets combining high strength with good *** results show that,for different cryorolling strains,the uniform elongation was greatly increased without sacrificing the strength after annealing.A yield strength of 607 MPa and a uniform elongation of 11.7%were obtained after annealing at a small cryorolling strain(ε=0.22),while annealing at a large cryorolling strain(ε=1.6)resulted in a yield strength of 990 MPa and a uniform elongation of 6.4%.X-ray diffraction(XRD),transmission electron microscopy(TEM),scanning electron microscopy(SEM),and electron backscattered diffraction(EBSD)were used to characterize the microstructure of the specimens and showed that the high strength could be attributed to strain hardening during cryorolling,with an additional contribution from grain refinement and the formation of dislocation *** high ductility could be attributed to annealing twins and micro-shear bands during stretching,which improved the strain hardening *** results show that the synergistic effect of strength and ductility can be regulated through low-temperature short-time annealing with different cryorolling strains,which provides a new reference for the design of future thermo-mechanical processes.

关键词： Cryorolling Annealing Nickel Strain hardening Ductility

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Optimization on crystallization process of the magnetic core lysozyme

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Particuology 2024年第4期87卷 106-113页

作者： Lixia Hou Chunxiao Qu min Su Zhihan Liang Qi hao School of Chemical Engineering Hebei University of TechnologyTianjin300130China

The continuous growth of the biomedical market highlights the significance of improvement in the ef-ficiency of batch production for protein drug ***,we investigated the effect of polymer-modified Fe_(3)O_(4) nanoparticles on lysozyme(Lys)crystallization at different conditions,using function-alized Fe_(3)O_(4) magnetic nanoparticles(Polymer C@Fe_(3)O_(4))as nucleation *** study revealed that the surface charge density of Polymer C@Fe_(3)O_(4) was highest at a modification mass ratio of Fe_(3)O_(4) to Polymer C is 8∶*** ratio facilitates the augmentation of electrostatic interaction and the promotion of *** adding 15%of the PolymerC@Fe_(3)O_(4) prepared from Fe_(3)O_(4) with an average particle size of 150 nm,the magnetic core lysozyme(M-Lys)crystals with an average particle size of 11.08μm,narrow size distribution,and regular morphology were obtained in a yield of 82.42%within 60 min.

关键词： Protein Crystallization Magnetic particle Lysozyme

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Surfactant-assisted crystallization of lysozyme and its mechanism

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Particuology 2024年第7期90卷 199-208页

作者： Yujie Song Rongfei Ren min Su Zhihan Liang Qi hao School of Chemical Engineering Hebei University of TechnologyTianjin 300130China

Surfactants were used to assist in the crystallization of *** types of surfactants with different structures(sodium dodecyl sulfate,cetyltrimethylammonium bromide,or betaine hydrochloride[BH])were *** study indicated that three surfactants were all capable of shortening the crystallization induction time of lysozyme,with BH inducing the shortest crystallization induction time(t=1 min)and the largest crystal size(37μm).The molecular interactions among each of the three surfactants aforementioned and lysozyme were also investigated by *** was found that hydrogen bonding dominantly acted between the carboxyl structure of the surfactant BH and the lysozyme,which produced the most favorable conformation for the self-assembly of lysozyme(promote lysozyme orderly aggregation and shorten the crystallization induction time).On this basis,the mechanism of surfactant-promoted lysozyme crystallization was proposed.

关键词： Protein Crystallization Surfactant Lysozyme Molecular interaction Mechanism

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