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Exercise Catheterization for hemodynamic Evaluation of Adults with Coarctation of the Aorta

Congenital heart Disease 2022年第6期17卷 605-615页

作者： Irene Martin de Miguel C.Charles Jain Alexander C.Egbe jason h.anderson heidi M.Connolly William R.Miranda Department of Cardiovascular Medicine Mayo ClinicRochesterMinnesotaUSA Department of Pediatric and Adolescent Medicine Division of Pediatric CardiologyMayo ClinicRochesterMinnesotaUSA

Background: Coarctation of the aorta (CoA) is associated with a generalized arteriopathy and long-term complicationsdespite repair. Data on invasive exercise hemodynamics in this population are lacking. Accordingly, wereviewed adults with CoA undergoing exercise catheterization to assess 1. hemodynamic profile;2. feasibilityfor assessment of CoA severity. Methods: Twenty patients undergoing exercise cardiac catheterization (12 armadduction and 8 supine cycle ergometry) at a quaternary care center between 2004 and 2021 were identified. Restingand exercise hemodynamic data were abstracted from the procedure logs. Results: Mean age was 43.6 ±12.0 years. Eleven patients (55%) had resting pulmonary arterial wedge pressure (PAWP) >15 mmhg;amongthose undergoing arterial catheterization, left ventricular end-diastolic pressure was >15 mmhg in 63%. Elevenpatients (55%) had pulmonary hypertension: 7 (35%) combined and 4 (20%) isolated post-capillary. At peak exercise,ΔPAWP/Δcardiac output (CO) ≥2 and Δmean pulmonary artery pressure/ΔCO ≥3 mmhg/l/min were foundin 7 (78%) and 6 (67%) patients, respectively;the composite of exercise PAWP ≥25 mmhg or ΔPAWP/ΔCO>2 was seen in 12 (86%). CoA peak-to-peak gradients at baseline (n = 14) and during exercise (n = 9) were 12(3–16) and 16 mmhg (9–28), respectively. Only 2 patients had an increase in CoA gradient to >20 mmhg withexercise. Conclusions: Diastolic dysfunction and pulmonary hypertension were highly prevalent, with exerciseunmasking abnormal diastolic and pulmonary vascular reserve in some individuals. Most patients failed to showsignificant increases in CoA peak-to-peak gradients with exercise. Further studies are warranted to establish thebest diagnostic method for CoA severity assessment.

关键词： Coarctation of the aorta exercise heart catheterization diastolic dysfunction hypertension

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Astrocytic calcium waves:unveiling their roles in sleep and arousal modulation

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Neural Regeneration Research 2024年第5期19卷 984-987页

作者： Erxi Wu Dan Qi Damir Nizamutdinov jason h.huang Department of Neurosurgery and Neuroscience Institute Baylor Scott&White HealthTempleTXUSA Texas A&M University School of Medicine TempleTXUSA Texas A&M University School of Pharmacy College StationTXUSA LIVESTRONG Cancer Institutes and Department of Oncology Dell Medical Schoolthe University of Texas at AustinAustinTXUSA Department of Neurosurgery Baylor College of MedicineTempleTXUSA

Neuron-astrocyte interactions are vital for the brain’s *** astrocyte activities is crucial for comprehending the complex neural network,particularly the population-level functions of neurons in different cortical states and associated behaviors in *** on animal sleep and wakefulness have revealed distinct cortical synchrony patterns between ***,outnumbering neurons by nearly fivefold,support and regulate neuronal and synaptic *** research on astrocyte activation during cortical state transitions has emphasized the influence of norepinephrine as a neurotransmitter and calcium waves as key components of ion channel *** summary focuses on a few recent studies investigating astrocyte-neuron interactions in mouse models during sleep,wakefulness,and arousal levels,exploring the involvement of noradrenaline signaling,ion channels,and glutamatergic signaling in different cortical *** findings highlight the significant impact of astrocytes on large-scale neuronal networks,influencing brain activity and *** astrocytic signaling pathways shows promise for treating sleep disorders and arousal *** research is needed to understand astrocytic calcium signaling in different brain regions and its implications for dysregulated brain states,requiring future human studies to comprehensively investigate neuron-astrocyte interactions and pave the way for therapeutic interventions in sleep-and arousal-related disorders.

关键词： arousal astrocyte calcium waves locus coeruleus neuron-astrocyte interaction norepinephrine sleep wakefulness

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Three cases of uncommon medication-associated osteonecrosis of temporal bone

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世界耳鼻咽喉头颈外科杂志英文版 2024年第3期10卷 237-240页

作者： VanDolah hunter Crossley jason R. Jeffrey Kim h. Georgetown University School of Medicine Washington DC USA Department of Otolaryngology–head and Neck Surgery MedStar Georgetown University Hospital Washington DC USA

Introduction: Medication-related osteonecrosis of the temporal bone is rare and has been reported to be associated with the use of anti-resorptive and biologic agents. here, we present the first case of tyrosine-kinase inhibitor-related external auditory canal (EAC) osteonecrosis as well as two cases related to anti-resorptive ***: A retrospective case ***: Case one: an 84-year-old female presented with chronic otitis externa and osteonecrosis of EACs bilaterally. She had a history of osteoporosis treated with denosumab and risedronic acid. She successfully underwent left EAC reconstruction using an inferiorly-based pedicle periosteal flap while the right ear canal was managed conservatively. Case two: a 69-year-old male presented with osteonecrosis of the right EAC. he had a history of osteoporosis treated with alendronic acid and zoledronic acid. his osteonecrosis is conservatively managed with local debridement and antibiotic application. Case three: a 60-year-old male presented with osteonecrosis of the right inferior EAC. he had a history of chronic myelogenous leukemia treated with a tyrosine-kinase inhibitor, imatinib. After failing conservative therapy, he underwent right ear canal reconstruction using a periosteal vascular pedicle flap without complication and experienced complete resolution to his ***: Anti-resorptive agents and/or tyrosine kinase inhibitors may lead to dysregulation of bone remodeling and result in rare cases of temporal bone osteonecrosis. When a local debridement and antibiotic therapy fail, definitive surgical excision of necrotic bone with subsequent reconstruction of the EAC may offer patients a possible resolution in symptoms.

关键词： bisphosphonates denosumab external auditory canal imatinib medication-related osteonecrosis osteonecrosis temporal bone tyrosine-kinase Inhibitors

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Canonical and noncanonical Wnt signaling: Multilayered mediators, signaling mechanisms and major signaling crosstalk

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Genes & Diseases 2024年第1期11卷 103-134页

作者： Kevin Qin Michael Yu Jiaming Fan hongwei Wang Piao Zhao Guozhi Zhaoo Wei Zeng Connie Chen Yonghui Wang Annie Wang Zander Schwartz Jeffrey hong Lily Song William Wagstaff Rex C.haydon hue h.Luu Sherwin h.ho jason Strelzow Russell R.Reid Tong-Chuan he Lewis L.Shi Chicago Medical School Rosalind Franklin University of Medicine and ScienceNorth ChicagoIL 60064USA Molecular Oncology Laboratory Department of Orthopaedic Surgery and Rehabilitation MedicineThe University of Chicago Medical CenterChicagoIL 60637USA Ministry of Education Key Laboratory of Diagnostic Medicine and Department of Clinical BiochemistryThe School of Laboratory MedicineChongqing Medical UniversityChongqing 400016China Departments of Orthopaedic Surgery and Urology The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Interventional Neurology The First Dongguan Affiliated HospitalGuangdong Medical UniversityDongguanGuangdong 523475China Department of Clinical Laboratory Medicine Shanghai Jiaotong University School of MedicineShanghai 200000China School of Biomedical Engineering Vanderbilt UniversityNashvilleTN 37235USA Laboratory of Craniofacial Biology and Development Department of Surgery Section of Plastic SurgeryThe University of Chicago Medical CenterChicagoIL 60637USA

Wnt signaling plays a major role in regulating cell proliferation and *** Wnt ligands are a family of 19 secreted glycoproteins that mediate their signaling effects via binding to Frizzled receptors and LRP5/6 coreceptors and transducing the signal either throughβ-catenin in the canonical pathway or through a series of other proteins in the nonca-nonical *** of the individual components of both canonical and noncanonical Wnt signaling have additional functions throughout the body,establishing the complex interplay between Wnt signaling and other signaling *** crosstalk between Wnt signaling and other pathways gives Wnt signaling a vital role in many cellular and organ ***-regulation of this system has been implicated in many diseases affecting a wide array of organ systems,including cancer and embryological defects,and can even cause embryonic *** complexity of this system and its interacting proteins have made Wnt signaling a target for many therapeutic ***,both stimulatory and inhibitory treatments come with potential risks that need to be *** review synthesized much of the current knowl-edge on the Wnt signaling pathway,beginning with the history of Wnt *** thoroughly described the different variants of Wnt signaling,including canonical,noncanonical Wnt/PCP,and the noncanonical Wnt/Ca2+*** description involved each of its components and their involvement in other cellular ***,this review explained the various other pathways and processes that crosstalk with Wnt signaling.

关键词： β-catenin Canonical Wnt Noncanonical Wnt Signal transduction Signaling crosstalk

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CD8+T cell metabolic flexibility elicited by CD28-ARS2 axisdriven alternative splicing of PKM supports antitumor immunity

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Cellular & Molecular Immunology 2024年第3期21卷 260-274页

作者： G.Aaron holling Colin A.Chavel Anand P.Sharda Mackenzie M.Lieberman Caitlin M.James Shivana M.Lightman jason h.Tong Guanxi Qiao Tiffany R.Emmons Thejaswini Giridharan Shengqi hou Andrew M.Intlekofer Richard M.higashi Teresa W.M.Fan Andrew N.Lane Kevin h.Eng Brahm h.Segal Elizabeth A.Repasky Kelvin P.Lee Scott h.Olejniczak Department of Immunology Roswell Park Comprehensive Cancer CenterBuffaloNY 14263USA Department of Medicine Roswell Park Comprehensive Cancer CenterBuffaloNY 14263USA human Oncology and Pathogenesis Program Memorial Sloan Kettering Cancer CenterNew YorkNY 10065USA Center for Environmental Systems Biochemistry Department of Toxicology and Cancer Biology and Markey Cancer CenterLexingtonKY 40536USA Department of Cancer Genetics and Genomics Roswell Park Comprehensive Cancer CenterBuffaloNY 14263USA Present address:University of Colorado Boulder BoulderCO 80309USA Present address:Dana Farber Cancer Institute BostonMA 02215USA Present address:Massachusetts Institute of Technology BostonMA 02139USA Present address:Melvin and Bren Simon Comprehensive Cancer Center Indiana University School of MedicineIndianapolisIN 46202USA

Metabolic flexibility has emerged as a critical determinant of CD8+T-cell antitumor activity,yet the mechanisms driving the metabolic flexibility of T cells have not been *** this study,we investigated the influence of the nuclear cap-binding complex(CBC)adaptor protein ARS2 on mature T *** doing so,we discovered a novel signaling axis that endows activated CD8+T cells with flexibility of glucose ***2 upregulation driven by CD28 signaling reinforced splicing factor recruitment to pre-mRNAs and affected approximately one-third of T-cell activation-induced alternative splicing *** these effects,the CD28-ARS2 axis suppressed the expression of the M1 isoform of pyruvate kinase in favor of PKM2,a key determinant of CD8+T-cell glucose utilization,interferon gamma production,and antitumor effector ***,PKM alternative splicing occurred independently of CD28-driven PI3K pathway activation,revealing a novel means by which costimulation reprograms glucose metabolism in CD8+T cells.

关键词： Immunometabolism mRNA splicing CD8 T cells ARS2 PKM2

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Degradation and resynthesis of chlorophyll during increased oxidative stress and prolonged darkness differ between annual and perennial flax(Linum L.)

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Oil Crop Science 2024年第2期9卷 121-130页

作者： Kenyon J. Nisbett Abida Alokozai Su hyun Elizabeth Ko G. Adam Mott jason C.L. Browna Department of Biological Sciences University of Toronto ScarboroughTorontoONCanada Department of Cell&Systems Biology University of TorontoTorontoONCanada Centre for the Analysis of Genome Evolution&Function University of TorontoTorontoONCanada

Among plants,there is considerable variation in lifespan:annuals live less than one year,whereas perennials live for several years,with the longest-living perennial having survived 43,600 *** proposed by the Disposable Soma Theory,this lifespan variation among plants likely reflects differential investment of limited energy and nutrient resources,with perennials investing more energy and nutrients into biomolecular maintenance compared to annuals in order to ensure persistence over multiple *** differential investment may be particularly important during periods of exogenous stress,which are known to accelerate biomolecular *** present study evaluated this hypothesis using annual and perennial flax(Linum L.)subjected to two exogenous stressors—increased oxidative stress(i.e.,foliar h2O2spraying)and complete prolonged *** chlorophyll has been shown to exhibit degradation in response to changes in environmental conditions,we utilized changes in chlorophyll levels during and after periods of exogenous stress to evaluate our *** predicted that i)perennials would exhibit a slower rate of chlorophyll degradation during exposure to exogenous stressors compared to annuals,and ii)perennials would exhibit a faster rate of chlorophyll resynthesis following such exposure compared to *** levels before,during,and after exposure to both exogenous stressors were measured in two separate trails,once using image colour analysis and once using *** chlorophyll degradation rates in response to oxidative stress did not differ between annuals and perennials,contrary to our predictions,chlorophyll resynthesis rates following such exposure were significantly higher in perennials,as *** plants were subjected to complete prolonged darkness,chlorophyll degradation rates were significantly lower in perennials than annuals,as predicted;however,when plants were subsequently reintroduced to natural photoperiod,ch

关键词： Ageing Life history Maximum lifespan Oxidative stress Somatic maintenance

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基于TROPOMI NO2、CO及hChO重构数据的近地面O3浓度估算研究

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遥感学报 2024年第09期 2348-2361页

作者：陈小娟秦凯 Cohen jason 何秦中国矿业大学环境与测绘学院

以TROPOMI大气成分产品为代表的卫星遥感数据在近地面臭氧（O3）浓度估算中表现出很好的潜力。由于云及反演算法局限性等原因，TROPOMI的大气成分产品存在一定的数据缺失，使得基于此的近地面O3浓度估算数据覆盖度较低。为此，本文采用... 详细信息

以TROPOMI大气成分产品为代表的卫星遥感数据在近地面臭氧（O3）浓度估算中表现出很好的潜力。由于云及反演算法局限性等原因，TROPOMI的大气成分产品存在一定的数据缺失，使得基于此的近地面O3浓度估算数据覆盖度较低。为此，本文采用经验正交函数分解插值法（DINEOF）对TROPOMI NO2、CO、hChO原始数据产品进行缺失像元重构，并基于重构数据产品采用极限梯度提升算法（XGBoost）估算了中国大陆地区2019年—2021年高覆盖度的日最大8 h平均O3浓度（MDA8 O3）。对比研究了DINEOF方法对TROPOMI NO2、CO、hChO原始数据产品的缺失像元进行重构后再建模估算O3的方法（方案1），使用TROPOMI NO2、CO、hChO原始数据产品并对其缺失像元赋空值并输入其他特征变量来建模估算O3的方法（方案2），有TROPOMI NO2、CO、hChO原始数据产品的建模结果和无TROPOMI NO2、CO、hChO原始数据产品，只有其他特征变量的建模结果相结合的方法（方案3），均可提升O3模型估算结果的覆盖度。实验表明：方案1的结果最好，其十折交叉验证R2=0.86,RMSE=15.86μg/m3，模型精度和方案2基本一致且高于方案3，在重构区域的模型精度最高（训练集R2=0.82,RMSE=15.57μg/m3），且当重构区域出现O3重污染时（浓度大于160μg/m3），能明显改善模型高值低估现象，结果的空间分布更合理。方案1估算的2019年—2021年近地面MDA8 O3的平均覆盖度从33.6%提升到97.2%，使用TROPOMI NO2、CO、hChO重构数据产品建模估算O3可提升模型性能和模型结果的覆盖度。

关键词：遥感近地面O3 TROPOMI DINEOF XGBoost 数据重构

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The evolving roles of Wnt signaling in stem cell proliferation and differentiation, the development of human diseases, and therapeutic opportunities

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Genes & Diseases 2024年第3期11卷 155-187页

作者： Michael Yu Kevin Qin Jiaming Fan Guozhi Zhao Piao Zhao Wei Zeng Connie Chen Annie Wang Yonghui Wang jiamin Zhong Yi Zhu William Wagstaff Rex C.haydon hue h.Luu Sherwin ho Michael J.Lee jason Strelzow Russell R.Reid Tong-Chuan he School of Medicine Rosalind Franklin University of Medicine and ScienceNorth ChicagoIL 60064USA Molecular Oncology Laboratory Department of Orthopedic Surgery and Rehabilitation MedicineThe University of Chicago Medical CenterChicagoIL 60637USA Ministry of Education Key Laboratory of Diagnostic Medicine and Department of Clinical BiochemistryThe School of Laboratory MedicineChongqing Medical UniversityChongqing 400016China Department of Orthopedic Surgery The First Affliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Urology The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Clinical Laboratory Medicine Shanghai Jiaotong University School of MedicineShanghai 200000China Department of Orthopaedic Surgery Chinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100730China Laboratory of Craniofacial Suture Biology and Development Department of Surgery Section of Plastic SurgeryThe University of Chicago Medical CenterChicagoIL 60637USA Department of Neurology The First Dongguan Affiliated HospitalGuangdong Medical UniversityDongguanGuangdong 523475China

The evolutionarily conserved Wnt signaling pathway plays a central role in develop-ment and adult tissue homeostasis across *** proteins are secreted,lipid-modified signaling molecules that activate the canonical(β-catenin dependent)and non-canonical(β-catenin independent)Wnt signaling *** behaviors such as proliferation,differ-entiation,maturation,and proper body-axis specification are carried out by the canonical pathway,which is the best characterized of the known Wnt signaling *** signaling has emerged as an important factor in stem cell biology and is known to affect the self-renewal of stem cells in various *** includes but is not limited to embryonic,hematopoietic,mesenchymal,gut,neural,and epidermal stem *** signaling has also been implicated in tumor cells that exhibit stem cell-like *** signaling is crucial for bone formation and presents a potential target for the development of therapeutics for bone *** surprisingly,aberrant Wnt signaling is also associated with a wide variety of diseases,including *** of Wnt pathway members in cancer can lead to unchecked cell proliferation,epithelial-mesenchymal transition,and ***,advances in the understand-ing of dysregulated Wnt signaling in disease have paved the way for the development of novel therapeutics that target components of the Wnt *** with a brief overview of the mechanisms of canonical and non-canonical Wnt,this review aims to summarize the cur-rent knowledge of Wnt signaling in stem cells,aberrations to the Wnt pathway associated with diseases,and novel therapeutics targeting the Wnt pathway in preclinical and clinical studies.

关键词： β-Catenin Cancer Canonical Wnt Disease Non-canonical Wnt Stem cells Targeted therapy Wnt signaling

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Renewable biomass reinvigorates sustainable water-energy nexus

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Science Bulletin 2024年第16期69卷 2543-2554页

作者： hongxu Chen Jiatao Xu Zhiyong jason Ren hailong Lin Leli Zhang EReaihan Yanhao Yuan Zihan Wang Zhidan Liu Laboratory of Environment-Enhancing Energy(E2E) College of Water Resources and Civil EngineeringChina Agricultural UniversityBeijing 100083China Key Laboratory of Agricultural Engineering in Structure and Environment Ministry of Agriculture and Rural AffairsBeijing 100083China Department of Civil and Environmental Engineering Princeton UniversityPrinceton NJ 08544USA Andlinger Center for Energy and the Environment Princeton UniversityPrinceton NJ 08544USA Department of Earth and Environmental Engineering Columbia UniversityNew York NY 10027USA State Key Laboratory of Efficient Utilization of Agricultural Water Resources Beijing 100083China

The water-energy nexus has garnered worldwide *** dual-functional research aimed at coproducing freshwater and electricity faces significant challenges,including sub-optimal capacities("1+1high carbon footprints,and large *** water-toelectricity conversions are often compromised owing to functionality separation and erratic ***,we present a sustainable strategy based on renewable biomass that addresses these issues by jointly achieving competitive solar-evaporative desalination and robust clean electricity *** hydrothermally activated basswood,our solar desalination exceeded the 100% efficiency bottleneck even under reduced solar *** simple size-tuning,we achieved a high evaporation rate of 3.56 kg h^(-1)m^(-2)and an efficiency of 149.1%,representing 128%-251% of recent values without sophisticated surface *** incorporating an electron-ion nexus with interfacial Faradaic electron circulation and co-ion-predominated micro-tunnel hydrodynamic flow,we leveraged free energy from evaporation to generate long-term electricity(0.38 W m^(-3)for over 14 d),approximately 322% of peer performance *** inter-functional nexus strengthened dual functionalities and validated general engineering *** presented strategy holds significant promise for global human–society–environment sustainability.

关键词： Biomass Water-energy nexus Solar desalination Clean energy hydrothermal carbonization Sustainable development

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Dynamics of self-hybridized exciton–polaritons in 2D halide perovskites

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Light(Science & Applications) 2024年第1期13卷 13-22页

作者： Surendra B.Anantharaman jason Lynch Christopher E.Stevens Christopher Munley Chentao Li Jin hou hao Zhang Andrew Torma Thomas Darlington Francis Coen Kevin Li Arka Majumdar PJames Schuck Aditya Mohite hayk harutyunyan Joshua R.hendrickson Deep Jariwala Department of Electrical and Systems Engineering University of PennsylvaniaPhiladelphiaPA19104USA KBR Inc. BeavercreekOH45431USA Air Force Research Laboratory Sensors DirectorateWright-Patterson Air Force BaseOH45433USA Department of Physics University of WashingtonSeattleWA98195USA Department of Physics Emory UniversityAtlantaGA30322USA Department of Chemical and Biomolecular Engineering Rice UniversityHoustonTX77005USA Department of Materials Science and Nanoengineering Rice UniversityHoustonTX77005USA Applied Physics Program Smalley‐Curl InstituteRice UniversityHoustonTX77005USA Department of Mechanical Engineering Columbia UniversityNew YorkNY10027USA Department of Electrical and Computer Engineering University of WashingtonSeattleWA98195USA

Excitons,bound electron–hole pairs,in two-dimensional hybrid organic inorganic perovskites(2D hOIPs)are capable of forming hybrid light-matter states known as exciton-polaritons(E–Ps)when the excitonic medium is confined in an optical *** the case of 2D hOIPs,they can self-hybridize into E–Ps at specific thicknesses of the hOIP crystals that form a resonant optical cavity with the ***,the fundamental properties of these self-hybridized E–Ps in 2D hOIPs,including their role in ultrafast energy and/or charge transfer at interfaces,remain ***,we demonstrate that>0.5µm thick 2D hOIP crystals on Au substrates are capable of supporting multiple-orders of self-hybridized E–P *** E–Ps have high Q factors(>100)and modulate the optical dispersion for the crystal to enhance sub-gap absorption and *** varying excitation energy and ultrafast measurements,we also confirm energy transfer from higher energy E–Ps to lower energy E–***,we also demonstrate that E–Ps are capable of charge transport and transfer at *** findings provide new insights into charge and energy transfer in E–Ps opening new opportunities towards their manipulation for polaritonic devices.

关键词： charge polar excitation

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