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Clinical associations of corneal neuromas with ocular surface diseases

Neural Regeneration Research 2024年第1期19卷 140-147页

作者： Charmaine Jan Li Toh Chang Liu Isabelle Xin Yu Lee Molly Tzu Yu Lin Louis Tong Yu-Chi Liu Lee Kong Chian School of Medicine Nanyang Technological UniversitySingapore singapore Eye Research Institute Singapore Department of Cornea and External Eye Disease Singapore National Eye CentreSingapore Ophthalmology and Visual Sciences Academic Clinical Program Duke-NUS Medical SchoolSingapore

Corneal neuromas,also termed microneuromas,refer to microscopic,irregula rly-shaped enlargements of terminal subbasal nerve endings at sites of nerve damage or *** formation of corneal neuromas results from damage to corneal nerves,such as following corneal pathology or corneal or intraocular surge ***,denervated areas of sensory nerve fibers become invaded by sprouts of intact sensory nerve fibers,and later injured axons regenerate and new sprouts called neuromas *** recent years,analysis of corneal nerve abnormalities including corneal neuromas which can be identified using in vivo confocal microscopy,a non-invasive imaging technique with microscopic resolution,has been used to evaluate corneal neuropathy and ocular surface *** neuromas have been shown to be associated with clinical symptoms of discomfort and dryness of eyes,and are a promising surrogate biomarker for ocular surface diseases,such as neuropathic corneal pain,dry eye disease,diabetic corneal neuropathy,neurotrophic keratopathy,Sjogren's syndrome,bullous keratopathy,post-refra ctive surgery,and *** this review,we have summarized the current literature on the association between these ocular surface diseases and the presentation of corneal microneuromas,as well as elaborated on their pathogenesis,visualization via in vivo confocal microscopy,and utility in monitoring treatment *** current quantitative analysis on neuromas mainly relies on manual annotation and quantification,which is user-dependent and labor-intensive,future direction includes the development of artificial intelligence software to identify and quantify these potential imaging biomarkers in a more automated and sensitive manner,allowing it to be applied in clinical settings more *** imaging and molecular biomarkers may also help elucidate the associations between corneal neuromas and ocular surface diseases.

关键词： cornea corneal diseases corneal nerve corneal neuropathy in vivo confocal microscopy microneuroma neuroma ocular surface diseases

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Armoring lithium metal anode with soft±rigid gradient interphase toward high-capacity and long-life all-solid-state battery

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Green Energy & Environment 2024年第8期9卷 1279-1289页

作者： Rui Zhang Biao Chen Yuhan Ma Yue Li Junwei Sha Liying Ma Chunsheng Shi Naiqin Zhao School of Materials Science and Engineering and Tianjin Key Laboratory of Composite and Functional Materials Tianjin University Joint School of national University of singapore and Tianjin University International Campus of Tianjin University Department of Chemical and Biomolecular Engineering National University of Singapore Collaborative Innovation centre of Chemical Science and Engineering

Solid polymer electrolytes （SPEs） are highly promising for realizing high-capacity,low-cost,and safe Li metal ***,the Li dendritic growth and side reactions between Li and SPEs also plague these ***,a fluorinated lithium salt coating （FC） with organicinorganic gradient and soft-rigid feature is introduced on Li surface as an artificial protective layer by the in-situ reaction between Li metal and fluorinated carboxylic *** FC layer can improve the interface stability and wettability between Li and SPEs,assist the transport of Li ions,and guide Li nucleation,contributing to a dendrite-free Li deposition and long-lifespan Li metal *** symmetric cell with FC-Li anodes exhibits a high areal capacity of 1 mAh cm-2at 0.5 mA cm-2,and an ultra-long lifespan of 2000 h at a current density of 0.1 m A ***,the full cell paired with the LiFePO4cathode exhibits improved cycling stability,remaining 83.7%capacity after 500 cycles at 1 *** matching with the S cathode,the FC layer can prevent the shuttle effect,contributing to stable and high-capacity Li-S *** work provided a promising way for the construction of stable all-solid-state lithium metal batteries with prolonged lifespan.

关键词： All-solid-state battery Solid polymer electrolyte Li metal anode Li nucleation Interface stability

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Non-centrosymmetric topological phase probed by non-linear Hall effect

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national Science Review 2024年第6期11卷 180-188页

作者： Naizhou Wang Jing-Yang You Aifeng Wang Xiaoyuan Zhou Zhaowei Zhang Shen Lai Yuan-Ping Feng Hsin Lin Guoqing Chang Wei-bo Gao Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University Department of Physics National University of Singapore Low Temperature Physics Laboratory College of Physics and Center for Quantum Materials and Devices Chongqing University centre for Advanced 2D Materials National University of Singapore Institute of Physics Academia Sinica The Photonics Institute and centre for Disruptive Photonic Technologies Nanyang Technological University

Non-centrosymmetric topological material has atracted intense atention due to its superior characteristics as compared with the centrosymmetric one, although probing the local quantum geometry in non-centrosymmetric topological material remains challenging. The non-linear Hall（NLH） effect provides an ideal tool to investigate the local quantum geometry. Here, we report a non-centrosymmetric topological phase in ZrTe5, probed by using the NLH effect. The angle-resolved and temperature-dependent NLH measurement reveals the inversion and ab-plane mirror symmetries breaking at <30 K, consistently with our theoretical calculation. Our findings identify a new non-centrosymmetric phase of ZrTe5and provide a platform to probe and control local quantum geometry via crystal symmetries.

关键词： non-linear Hall effect topological insulator ZrTe5

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DNA-delivered monoclonal antibodies targeting the p53 R175H mutant epitope inhibit tumor development in mice

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Genes & Diseases 2024年第4期11卷 368-380页

作者： Dafei Chai Xu Wang Praveen Neeli Shan Zhou Xingfang Yu Kanaga Sabapathy Yong Li Department of Medicine Section of Epidemiology and Population SciencesDan L Duncan Comprehensive Cancer CenterBaylor College of MedicineHoustonTX 77030USA Division of Cellular&Molecular Research Humphrey Oei Institute of Cancer ResearchNational Cancer Centre SingaporeSingapore 168583Singapore

tThe tumor suppressor p53 is the most common mutated gene in cancer,with the R175H as the most frequent p53 missense ***,there are currently no approved targeted therapies or immunotherapies against mutant ***,we characterized and inves-tigated a monoclonal antibody(mAb)that recognizes the mutant p53-R175H for its affinity,specificity,and activity against tumor cells in *** then delivered DNA plasmids expres-sing the anti-R175H mAb or a bispecific antibody(BsAb)into mice to evaluate their therapeutic *** results showed that the anti-R175H mAb specifically bound to the p53-R175H an-tigen with a high affinity and recognized the human mutant p53-R175H antigen expressed on HEK293T or MC38 cells,with no cross-reactivity with wild-type *** cultured cells,the anti-R175H mAb showed higher cytotoxicity than the control but did not induce antibody-dependent cellular *** made a recombinant MC38 mouse cell line(MC38-p53-R175H)that overexpressed the human p53-R175H after knocking out the endogenous mutant p53 *** vivo,administration of the anti-R175H mAb plasmid elicited a robust anti-tumor effect against MC38-p53-R175H in *** administration of the anti-R175H BsAb plasmid showed no therapeutic effects,yet potent anti-tumor activity was observed in combination with the anti-PD-1 *** results indicate that targeting specific mutant epitopes using DNA-delivered mAbs or BsAbs presents a form of improved natural immunity derived from tumor-infiltrating B cells and plasma cells against intracellular tumor antigens.

关键词： BsAb Cytotoxicity mAb Mutant p53 PD-1 R175H

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Water droplets play a role in Internet of Things applications

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Droplet 2024年第3期3卷 27-48页

作者： Feng Wen Chengkuo Lee Department of Electrical and Computer Engineering National University of SingaporeSingapore Center for Intelligent Sensors and MEMS(CISM) National University of SingaporeSingapore i-Lab Key Laboratory of Multifunctional Nanomaterials and Smart SystemsSuzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinese Academy of Sciences(CAS)SuzhouChina NUS Graduate School—Integrative Sciences and Engineering Programme(ISEP) National University of SingaporeSingapore

Water droplets help life in nature survive,thrive,and *** water droplet serv-ing as one of the indispensable elements in the Internet of Things(IoT),many droplet-oriented technologies,such as microfluidics,droplet manipulation,electrowetting,and energy harvesting,make rapid progress driven by material science,computer science,and ***-based wearable devices are endowed with advantages such as flexibility,sensing ability,and automation for various parameter ***,the continuous exploration of droplet manipulation has led to the emergence of a wide variety of manipulation ***,electrowetting that utilizes exter-nal fields modifying liquid–solid surfaces has found its applications in various areas,including droplet transportation,microfabrication,and *** energy gener-ation from water droplets also presents exciting opportunities for the development of novel electricity *** approaches for droplet utilization underscore the immense potentials and versatilities of droplet-based technologies in the IoT ***,this mini review presents the fundamental droplet-based technologies by summarizing their working mechanisms and methods,device structures,and *** the challenges in materials,fabrication,and system integration,this review shows the overall development roadmap in terms of improved functionality and performance and highlights the opportunities toward multifunctional,self-sustainable,and intelligent systems,which is called for IoT construction.

关键词： IoT utilize fabrication

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Males armed with big weapons win fights at limited cost in ant-mimickingjumping spiders

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Current Zoology 2024年第1期70卷 98-108页

作者： Guocheng Yu Boon Hui Wong Christina J.Painting Hongze Li Long Yu Zengtao Zhang Shichang Zhang Daiqin Li State Key Laboratory of Biocatalysis and Enzyme Engineering and centre for Behavioral Ecology and Evolution School of Life SciencesHubei UniversityWuhan430062China Departmentof Biological Sciences National University of Singapore14 Science Drive 4Singapore 117543Singapore Te Aka Matuatua School of Science University of WaikatoPrivate Bag 3105Hamilton 3240New Zealand

A core assumption of sexual selection theory is that sexually selected weapons,specialized morphological structures used directly in male con-tests,can improve an individual's reproductive success but only if the bearer can overcome associated costs,the negative effects on the bear-er's fitness ***,recent studies have shown that producing and wielding exaggerated weapons may not necessarily be ***,some traits can be selected for supporting,or compensating for,the expense of producing and wielding such exaggerated weapons.n the ant-mimicking jumping spider Myrmarachne gisti,exaggerated chelicerae are borne only by adult males and not females,showing sexual dimorphism and steep positive allometry with body ***,we determine the potential benefits of bearing exaggerated chelicerae during male contests and explore the potential for costs in terms of prey-capture efficiency and compensation between chelicera size and neighboring trait *** males with longer chelicerae won most of their male-male contests,we found no significant differences in prey-capture effi-ciency between males and females regardless of whether prey was winged or ***'elongated chelicerae thus do not impede their efficiency at capturing ***,we found that the sizes of all neighboring traits are positively correlated with chelicera size,suggesting that these traits may be under correlational *** together,our findings suggest that *** males armed with the exaggerated chelicerae that function as weapons win more fights at limited cost for performance in prey capture and compensate for neighboring structures.

关键词： allometry ant-mimic costs elongated chelicerae threat devices trait compensations

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Investigating the impact of dynamic structural changes of Au/rutile catalysts on the catalytic activity of CO oxidation

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Carbon Energy 2024年第4期6卷 222-232页

作者： Xiaochun Hu Qianwenhao Fan Mingwu Tan Yuqing Luo Xianyue Wu Manoel Y.Manuputty Jie Ding Tej S.Choksi Markus Kraft Rong Xu Zhiqiang Sun Wen Liu School of Energy Science and Engineering Central South UniversityChangshaChina School of Chemistry Chemical Engineering and BiotechnologyNanyang Technological UniversitySingaporeSingapore Cambridge centre for Advanced Research and Education SingaporeSingapore Institute of Sustainability for Chemicals Energy and EnvironmentJurong IslandSingapore College of Chemistry and Chemical Engineering Central South UniversityChangshaChina Department of Chemical Engineering and Biotechnology University of CambridgeCambridgeUK

The surface properties of oxidic supports and their interaction with the supported metals play critical roles in governing the catalytic activities of oxide‐supported metal *** metals are supported on reducible oxides,dynamic surface reconstruction phenomena,including strong metal–support interaction(SMSI)and oxygen vacancy formation,complicate the determination of the structural–functional relationship at the active ***,we performed a systematic investigation of the dynamic behavior of Au nanocatalysts supported on flame‐synthesized TiO_(2),which takes predominantly a rutile phase,using CO oxidation above room temperature as a probe *** analysis conclusively elucidated a negative correlation between the catalytic activity of Au/TiO_(2) and the oxygen vacancy at the Au/TiO_(2) *** the reversible formation and retracting of SMSI overlayers have been ubiquitously observed on Au/TiO_(2) samples,the catalytic consequence of SMSI remains *** functional theory suggests that the electron transfer from TiO_(2) to Au is correlated to the presence of the interfacial oxygen vacancies,retarding the catalytic activation of CO oxidation.

关键词： CO oxidation electronic metal-support interactions flame‐synthesis metal-support interactions oxygen vacancy strong metal-support interaction

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Atomically dispersed Mn-N_(x) catalysts derived from Mn-hexamine coordination frameworks for oxygen reduction reaction

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Carbon Energy 2024年第5期6卷 114-126页

作者： Guoyu Zhong Liuyong Zou Xiao Chi Zhen Meng Zehong Chen Tingzhen Li Yongfa Huang Xiaobo Fu Wenbo Liao Shaona Zheng Yongjun Xu Feng Peng Xinwen Peng Guangdong Provincial Key Laboratory of Distributed Energy Systems School of Chemical Engineering and Energy TechnologyDongguan University of TechnologyDongguanChina State Key Laboratory of Pulp and Paper Engineering South China University of TechnologyGuangzhouChina Department of Chemistry Centre for Advanced 2D Materials(CA2DM)National University of SingaporeSingaporeSingapore School of Chemistry and Chemical Engineering Guangzhou UniversityGuangzhouChina

Metal-organic frameworks recently have been burgeoning and used as precursors to obtain various metal-nitrogen-carbon catalysts for oxygen reduction reaction(ORR).Although rarely studied,Mn-N-C is a promising catalyst for ORR due to its weak Fenton reaction activity and strong graphitization ***,we developed a facile strategy for anchoring the atomically dispersed nitrogen-coordinated single Mn sites on carbon nanosheets(MnNCS)from an Mn-hexamine coordination *** atomically dispersed Mn-N_(4) sites were dispersed on ultrathin carbon nanosheets with a hierarchically porous *** optimized MnNCS displayed an excellent ORR performance in half-cells(0.89 V *** hydrogen electrode(RHE)in base and 0.76 V *** in acid in half-wave potential)and Zn-air batteries(233 mW cm^(−2)in peak power density),along with significantly enhanced *** functional theory calculations further corroborated that the Mn-N_(4)-C(12)site has favorable adsorption of*OH as the rate-determining *** findings demonstrate that the metal-hexamine coordination framework can be used as a model system for the rational design of highly active atomic metal catalysts for energy applications.

关键词： carbon nanosheets electrocatalyst metal-organic frameworks Mn-N_(4) oxygen reduction reaction Zn-air batteries

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Retinal Vascular Imaging Application in Women’s Reproductive Health:Clinical Implications and Future Directions

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Maternal-Fetal Medicine 2024年第2期6卷 92-96页

作者： Beth Shi Yu Lim Ling-Jun Li Yong Loo Lin School of Medicine National University of SingaporeSingapore 117597Singapore Department of Obstetrics&Gynaecology Yong Loo Lin School of MedicineNational University of SingaporeSingapore 119228Singapore Global centre for Asian Women’s Health Human Potential Translational Research ProgrammeYong Loo Lin School of MedicineNational University of SingaporeSingapore 117597Singapore NUS Bia-Echo Asia centre for Reproductive Longevity and Equality(ACRLE) Yong Loo Lin School of MedicineNational University of SingaporeSingapore 117456Singapore singapore Eye Research Institute Singapore National Eye CentreSingapore 168751Singapore

Over the past two decades,population-based studies employing semiautomatic computer-assisted programs have uncovered associations between retinal microvascular features and various systemic *** the recognition of retinal imaging in cardiometabolic health grows,there is increasing evidence supporting its application in women’s health,particularly during the reproductive *** review aims to summarize the indications of retinal imaging in women’s health and intergenerational health,where suboptimal retinal imaging has been found to mirror pathological systemic changes,such as suboptimal hemodynamic circulation,inflammation,endothelial dysfunction,oxidative stress,and hypoxia in *** from singapore Growing Up in singapore Towards Healthy Outcomes and singapore Preconception Study of Long-Term Maternal and Child Outcomes cohorts have reported serial changes in retinal conventional microvascular features(e.g.,retinal arteriolar narrowing,retinal venular widening)and retinal geometric microvascular features(e.g.,sparse fractal dimension,enlarged branching angle,and increased curvature tortuosity)during the preconception and antenatal *** morphological abnormalities were found to be related to female fertility,maternal antenatal health conditions,postnatal maternal cardiometabolic health,and intergenerational health in the *** the compelling evidence of the ability to detect microvascular changes through noninvasive methods at an early stage,retinal imaging holds the potential to facilitate timely interventions,mitigate the progression of complications,and prevent adverse pregnancy *** ahead,the convergence of artificial intelligence and advanced imaging techniques heralds a promising era in women’s health research and clinical practice.

关键词： Retinal vascular imaging Reproductive health

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In-situ AFM and quasi-in-situ studies for localized corrosion in Mg-9Al-1Fe-(Gd) alloys under 3.5 wt.% NaCl environment

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Journal of Magnesium and Alloys 2024年第3期12卷 1170-1185页

作者： Junping Shen Tao Lai Zheng Yin Yang Chen Kun Wang Hong Yan Honggun Song Ruiliang Liu Chao Luo Zhi Hu School of Advanced Manufacturing Nanchang UniversityNanchang 330031China Institute for Advanced Study Nanchang UniversityNanchang 330031China singapore centre for Environmental Life Sciences Engineering Nanyang Technological University60 Nanyang Drive 637751Singapore

Revealing the localized corrosion process of Mg alloy is considered as one of the most significant ways for improving its corrosion *** reliable monitor should be high distinguishability and real-time in liquid ***,Mg-9Al-1Fe and Mg-9Al-1Fe-1Gd alloys were designed to highlight the impact of intermetallic on the corrosion ***-situ AFM with a special electrolyte circulation system and quasi-in-situ SEM observation were used to monitor the corrosion process of the designed ***-EDS and TEM-SAED were applied to identify the intermetallic in the designed alloys,and their volta potentials were measured by *** to the real-time and real-space in-situ AFM monitor,the corrosion process consisted of dissolution of anodicα-Mg phase,accumulation of corrosion products around cathodic phase and shedding of some fine cathodic ***,the localized corrosion process of Mg alloy was revealed combined with the results of the monitor of corrosion process and Volta potential difference.

关键词： Magnesium Localized corrosion In-situ AFM SKPFM Corrosion behaviour.

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