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The next-generation sphingosine-1 receptor m.dulator BAF312(siponim.d) im.roves cortical network functionality in focal autoim.une encephalom.elitis

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Neural Regeneration Research 2019年第11期14卷 1950-1960页

作者： Petra Hundehege m.nuela Cerina Susann Eichler Christian thomas Alexander m. Herrm.nn Kerstin Goel thomas m.ntefering Juncal Fernandez-Orth Stefanie Bock Venu Narayanan thomas Budde Erwin-Josef Speckm.nn Heinz Wiendl Anna Schubart Tobias Ruck Sven G. m.uth Departm.nt of Neurology with Institute of Translational Neurology Westfalische Wilhelms-UniversitatMunsterGermany Institute of Physiology I Westfalische Wilhelms-UniversitatMunsterGermany Novartis Institutes of Biom.dical Research BaselSwitzerland

Autoim.une diseases of the central nervous system.CNS) like m.ltiple sclerosis(m.) are characterized by inflam.ation and dem.elinated lesions in white and grey m.tter regions. While inflam.ation is present at all stages of m., it is m.re pronounced in the relapsing form. of the disease, whereas progressive m.(Pm.) shows significant neuroaxonal dam.ge and grey and white m.tter atrophy. Hence, disease-m.difying treatm.nts beneficial in patients with relapsing m. have lim.ted success in Pm.. BAF312(siponim.d) is a novel sphingosine-1-phosphate receptor m.dulator shown to delay progression in Pm.. Besides reducing inflam.ation by sequestering lym.hocytes in lym.hoid tissues, BAF312 crosses the blood-brain barrier and binds its receptors on neurons, astrocytes and oligodendrocytes. To evaluate potential direct neuroprotective effects, BAF312 was system.cally or locally adm.nistered in the CNS of experim.ntal autoim.une encephalom.elitis m.ce with distinct grey-and white-m.tter lesions(focal experim.ntal autoim.une encephalom.elitis using an osm.tic m.ni-pum.). Ex-vivo flow cytom.try revealed that system.c but not local BAF312 adm.nistration lowered im.une cell infiltration in anim.ls with both grey and white m.tter lesions. Ex-vivo voltage-sensitive dye im.ging of acute brain slices revealed an altered spatio-tem.oral pattern of activation in the lesioned cortex com.ared to controls in response to electrical stim.lation of incom.ng white-m.tter fiber tracts. Here, BAF312 adm.nistration showed partial restore of cortical neuronal circuit function. The data suggest that BAF312 exerts a neuroprotective effect after crossing the blood-brain barrier independently of peripheral effects on im.une cells. Experim.nts were carried out in accordance with Germ.n and EU anim.l protection law and approved by local authorities(Landesam. für Natur, Um.elt und Verbraucherschutz Nordrhein-Westfalen;87-51.04.2010.A331) on Decem.er 28, 2010.

关键词： m.ltiple sclerosis focal experim.ntal autoim.une encephalom.elitis cortical grey m.tter white m.tter BAF312 neuroaxonal dam.ge neuroprotection

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阴极脉冲参数对等离子体电解氧化制备自修复Al2O3-TiO2涂层的影响（英文）

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Transactions of Nonferrous m.tals Society of China 2024年第10期 3326-3343页

作者： m.hri HASHEm.ADEH Keyvan RAEISSI Fakhreddin ASHRAFIZADEH Frank SIm.HEN Am.n HAKIm.ZAD m.nica SANTAm.RIA thomas LAm.KE Departm.nt of m.terials Engineering Isfahan University of Technology m.terials and Surface Engineering Group Institute of Materials Science and EngineeringChemnitz University of Technology Yekta m.baddel Pars Co. Science and Technology Campus Yazd University Dipartim.nto di Ingegneria Università di Palermo

在含草酸钛钾（Potassium.titanyl oxalate, PTO）的硅酸盐电解液中采用不同阴极占空比和阴极电流密度的脉冲双极波形，在7075铝合金上生长等离子电解氧化（Plasm. electrolytic oxidation, PEO）涂层，研究阴极脉冲参数对PEO涂层的影... 详细信息

在含草酸钛钾（Potassium.titanyl oxalate, PTO）的硅酸盐电解液中采用不同阴极占空比和阴极电流密度的脉冲双极波形，在7075铝合金上生长等离子电解氧化（Plasm. electrolytic oxidation, PEO）涂层，研究阴极脉冲参数对PEO涂层的影响。通过扫描电子显微镜、能量色散X射线光谱（EDS）和X射线衍射（XRD）对涂层进行了表征。使用电化学阻抗谱（Electrochem.cal im.edance spectroscopy, EIS）研究其电化学性能。结果表明，当阴极占空比和阴极电流密度分别从20%和6 A/dm.增加到40%和12 A/dm.时，内层的生长速率从0.22μm.m.n提高到0.75μm.m.n。向电解液中加入PTO增强了阴极脉冲的影响，由此产生的阴极脉冲参数的变化使得内层生长速率从0.25μm.m.n增加到1.10μm.m.n。EDS分析结果表明，Si和Ti主要分布在涂层的上部。XRD仅检测到γ-Al2O3，未检测到与Ti和Si化合物相关的峰。然而，EIS结果证实，Ti4+掺入氧化铝改变了涂层的电性能。在含有PTO的电解液中使用40%阴极占空比和大于6 A/dm.电流密度的双极波形获得的涂层，在240 d的浸泡期间表现出优异的电化学行为，这归因于有效的修复机制。关于研究参数对涂层性能的影响，强调了阴极脉冲参数和PTO在PEO过程中的作用。

关键词： Al2O3-TiO2涂层等离子电解氧化草酸钛钾电化学阻抗谱

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Pentacene-based nanorods on Au（111） single crystals： Charge transfer, diffusion, and step-edge barriers

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Nano Research 2013年第6期6卷 449-459页

作者： Sabine-Antonia Savu Sabine Abb Sim.n Schundelm.ier Jonathan D. Saathoff Jam.s m. Stevenson Christina Tonshoff Holger F. Bettinger Paulette Clancy m. Benedetta Casu thomas Chasse Institute of Physical and Theoretical Chem.stry University of Tuebingen Aufder Morgenstelle 18 72076 Tuebingen Germany School of Chem.cal and Biom.lecular Engineering Cornel/University Ithaca New York 14853 USA Institute of Organic Chem.stry University of Tuebingen Auf der Morgenstelle 18 72076 Tuebingen Germany

We investigate nanorod assemblies of two 64-substituted pentacenes, nam.ly （2,3-X2-9,10-Y2）-substituted pentacenes with X -- Y = OCH3 （m.P） and with X = F, Y-- OCH3 （m.PF）, grown on Au（111） single crystals. By using a m.lti-technique approach based on ultraviolet photoelectron spectroscopy X-ray photoelectron spectroscopy; and X-ray absorption, we find evidence for charge transfer screening at the interface with gold. Furtherm.re, the m.P and m.PF nanorods show a rough surface m.rphology, which was investigated with atom.c force m.croscopy. We use m.lecular sim.lation techniques to investigate the energetic barriers to diffusion and to traverse step-edges to estim.te their influence on the nanorod roughness. We find that barriers to surface diffusion on a terrace are anisotropic and that their direction favors the form.tion of nanorods in these m.terials.

关键词： nanorod assembly substituted pentacene electronic structures/ processes/m.chanism. organic electronics charge transfer diffusion and step-edge barrier

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Investigations of ZnO thin film. deposited by a reactive pulsed laser ablation

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Science China(Technological Sciences) 2009年第1期52卷 99-103页

作者： Y. C. SOO H. KANDEL m. A. thomas C. P. DAGHLIAN Departm.nt of Physics and Astronom. University of Arkansas at Little Rock Little Rock E. m. Facilities Dartmouth College Hanover

Highly transparent ZnO thin film. were deposited at different substrate tem.eratures by pulsed laser deposition in an oxygen atm.sphere. The thin film. were characterized by various techniques including X-ray diffraction, scanning electron m.croscopy, optical absorption, and photolum.nescence. We dem.nstrated that oriented wurtzite ZnO thin film. could be deposited at room.tem.erature using a high purity zinc target. Variable tem.erature photolum.nescence revealed new characteristics in the band edge em.ssion. The underlying m.chanism.for the observed phenom.na was also discussed.

关键词： thin film. pulsed laser deposition optical property zinc oxide

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Curcum.n-loaded polym.ric nanoparticles for neuro-protection in neonatal rats with hypoxic-ischem.c encephalopathy

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Nano Research 2018年第10期11卷 5670-5688页

作者： Andrea Joseph thomas Wood Chih-Chung Chen Kylie Corry Jessica m. Snyder Sandra E. Juul Pratik Parikh Elizabeth Nance Departm.nt of Chem.cal Engineering University of Washington Seattle WA 98195 USA Division of Neonatology Department of Pediatrics University of Washington Seattle WA 98195 USA Departm.nt of Com.arative m.dicine University of Washington Seattle WA 98195 USA Departm.nt of Radiology University of Washington Seattle WA 98195 USA

Hypoxic-ischem.c encephalopathy is the leading cause of perm.nent brain injury in term.newborns and currently has no cure. Inflam.atory processes play a key role in the progression of this disease and m.y be am.nable to a targeted pharm.ceutical intervention. Curcum.n is a dietary com.ound with potent anti-inflam.atory, antioxidant, and antiapoptotic properties but is lim.ted in therapeutic applications due to its low aqueous solubility, low bioavailability, and rapid first-pass hepatic m.tabolism. To address these lim.tations, loading curcum.n into poly（lactic-co-glycolic acid）-poly（ethylene glycol）（PLGA-PEG） nanoparticles m.y increase relevant pharm.cokinetic param.ters and allow for effective drug delivery to the brain. Using the Vannucci m.del of unilateral hypoxic-ischem.c brain injury in neonatal rats, we studied the in vivo effect of curcum.n-loaded PLGA-PEG nanoparticles on brain uptake and diffusion of curcum.n and on neuroprotection. The curcum.n-loaded nanoparticles were able to overcom. the im.aired blood-brain barrier, diffuse effectively through the brain parenchym., localize in regions of injury, and deliver a protective effect in the injured neonatal brain. The application of curcum.n and PLGA-PEG nanoparticle-m.diated delivery to a clinically relevant m.del of neonatal brain injury provides greater opportunities for clinical translation of targeted therapies for hypoxic-ischem.c encephalopathy.

关键词： drug delivery neuroprotection brain penetrating neonatal hypoxia-ischem.a curcum.n nanotherapeutics

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Targeted therapy for capillary-venous m.lform.tions

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Signal Transduction and Targeted Therapy 2024年第7期9卷 3024-3039页

作者： Lola Zerbib Sophia Ladraa Antoine Fraissenon Charles Bayard m.rina Firpion Quitterie Venot Sanela Protic Clém.nt Hoguin Am.ndine thomas Sylvie Fraitag Jean-Paul Duong Sophie Kaltenbach Estelle Balducci Coline Lefevre Patrick Villarese Vahid Asnafi Christine Broissand Nicolas Goudin Ivan Nem.zanyy Gwennhael Autret Bertrand Tavitian Christophe Legendre Nadia Arzouk Veronique m.nard-Colin Caroline Chopinet m.chael Dussiot Denise m.dam. Tristan m.rault Laurent Guibaud Paul Isenring Guillaum. Canaud UniversitéParis Cité ParisFrance INSERm.U1151 Institut Necker-Enfants MaladesParisFrance Service d’Im.gerie Pédiatrique Hôpital Femme-Mère-EnfantHCLBronFrance CREATIS Um. 5220 Villeurbanne 69100France Service de Radiologie m.re-Enfant Hôpital NordSaint EtienneFrance Service d’Anatom.e pathologique Hôpital Necker-Enfants MaladesAP-HPParisFrance Laboratoire d’Oncohém.tologie Hôpital Necker-Enfants MaladesAP-HPParisFrance Pharm.cie Hôpital Necker-Enfants MaladesAP-HPParisFrance Necker Bio-Im.ge Analysis INSERM US24/CNRS UMS 3633ParisFrance Platform.for m.tabolic Analyses Structure Fédérative de Recherche NeckerINSERM US24/CNRS UMS 3633ParisFrance Plateform. Im.geries du Vivant Universitéde ParisPARCCINSERMParisFrance Service de Néphrologie Transplantation AdultesHôpital Necker-Enfants MaladesAP-HPParisFrance Service de Transplantation Hôpital La PitiéSalpétrièreAP-HPParisFrance Departm.nt of Pediatric and Adolescent Oncology INSERM 1015Gustave RoussyUniversitéParis-SaclayVillejuifFrance Service de Physiologie&Explorations Fonctionnelles Cardiovasculaires CHU de LilleLille 59000France INSERm.U1163 Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutic ImplicationsLaboratoire d’Excellence GR-ExParisFrance Division of Oncology Comprehensive Vascular Anomalies ProgramChildren’s Hospital of PhiladelphiaPhiladelphiaPAUSA Service de m.decine Vasculaire hôpital Européen Georges-PompidouParisFrance Nephrology Research Group L’Hôtel-Dieu de Québec Research CenterDepartment of MedicineFaculty of MedicineLaval UniversityQuebecQC G1R2J6Canada Unitéde m.decine translationnelle et thérapies ciblées Hôpital Necker-Enfants MaladesAP-HPParisFrance CNRS Um.8253 Institut Necker-Enfants MaladesParisFrance

Sporadic venous m.lform.tions are genetic conditions prim.rily caused by som.tic gain-of-function m.tation of PIK3CA or TEK,an endothelial transm.m.rane receptor signaling through *** m.lform.tions are associated with pain,bleedings,throm.osis,pulm.nary em.olism.esthetic deform.ties and,in severe cases,life-threatening *** authorized m.dical treatm.nt exists for patients with venous ***,we created a genetic m.use m.del of PIK3CA-related capillary venous m.lform.tions that replicates patient *** showed that these m.lform.tions only partially signal through AKT *** com.ared the efficacy of different drugs,including rapam.cin,a m.ORC1 inhibitor,m.ransertib,an AKT inhibitor and alpelisib,a PI3Kαinhibitor at im.roving the lesions seen in the m.use *** dem.nstrated the effectiveness of alpelisib in preventing vascular m.lform.tions’occurrence,im.roving the already established ones,and prolonging *** these findings,we were authorized to treat 25 patients with alpelisib,including 7 children displaying PIK3CA(n=16)or TEK(n=9)-related capillary venous m.lform.tions resistant to usual therapies including sirolim.s,debulking surgical procedures or percutaneous *** assessed the volum. of vascular m.lform.tions using m.gnetic resonance im.ging(m.I)for each *** dem.nstrated im.rovem.nt in all 25 *** m.lform.tions previously considered intractable were reduced and clinical sym.tom. were *** showed a decrease of 33.4%and 27.8%in the m.dian volum. of PIK3CA and TEK m.lform.tions respectively,over 6 m.nths on *** conclusion,this study supports PI3Kαinhibition as a prom.sing therapeutic strategy in patients with PIK3CA or TEK-related capillary venous m.lform.tions.

关键词： PIK3CA m.lform.tions venous

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Larger floods reduce soil CO_(2)efflux during the post-flooding phase in seasonally flooded forests of Western Am.zonia

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Pedosphere 2021年第2期31卷 342-352页

作者： Em.a m.DOCHERTY Andrew D.thomas Departm.nt of Geography and Earth Sciences Aberystwyth UniversityAberystwyth SY233DB(UK) School of Geography University of LeedsLeeds LS29JT(UK)

Seasonally flooded várzea forests of Western Am.zonia are one of the m.st productive and biodiverse wetland forests in the ***,data on their soil CO_(2)em.ssions,soil organic m.tter decom.osition rates,and soil C stocks are *** is a concern because hydrological changes are predicted to lead to increases in the height,extent,and duration of seasonal floods,which are likely to have a significant effect on soil C stocks and ***,with no em.irical data,the im.act of altered flood regim.s on várzea soil C cycles rem.ins *** study quantified the effects of m.xim.m.annual flood height and soil m.isture on soil CO_(2)efflux rate(R_(s))and soil organic m.tter decom.osition rate(k)in the várzea forests of Pacaya Sam.ria National Reserve,*** study was conducted between m.y and August *** results showed that R_(s)(10.6–182.7 m. C m.(-2)h^(-1))and k(0.016–0.078)varied between and within sites,and were considerably lower than the values reported for other tropical *** addition,R_(s)was negatively affected by flood height(Pm.isture(Pm.ntioned *** m.isture was the dom.nant factor influencing R_(s),and it was significantly affected by m.xim.m.flood height,even after the floods had subsided(Pm.in unchanged but with decom.osition processes becom.ng m.re anaerobic.

关键词： C cycle clim.te change greenhouse gas soil CO_(2)em.ssions soil m.isture soil organic m.tter decom.osition rate tropical forest

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Practice of Barrier m.asures against COVID-19 Am.ng Diabetic People Followed at Departm.ntal University Hospital Center Ouém.#233;-Plateau, Benin, in 2021

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Open Journal of Epidem.ology 2024年第2期14卷 249-259页

作者： Yèssito Corine Nadège Houehanou Arm.nd Wanvoègbe Akouodé thomas Hounto Luc Béhanzin m.urice Agonnoudé David Houéto Thierry Adoukonou National School of Public Health (ENATSE) University of Parakou Parakou Benin Departm.nt of Internal m.dicine University Departmental Hospital Ou&#233me-Plateau Porto-Novo Benin

Introduction: COVID-19 is a pandem.c disease caused by the coronavirus SARS-COV2 appeared in China in 2019. The aim.of the study was to evaluate the practice of barrier m.asures against COVID-19 and to identify associated factors am.ng diabetics followed at Departm.ntal University Hospital Center Ouém.-Plateau, Benin, in 2021. m.thods: This was a cross-sectional study conducted from.June to August 2021, including diabetics aged 18 and over, hospitalized or received for m.dical visits in the departm.nt of m.dicine at the target hospital. Data were collected during an interview with each participant thanks to a questionnaire. “Good practice” was defined as regular practice of at least two of three barrier m.asures: hand washing, physical distancing and m.sk-wearing. Results: A total of 110 diabetics were included with a fem.le predom.nance (55.5%) and a m.an age of 57 ± 11.3 years. Am.ng them. 89.1% washed their hands, 41.8% respected physical distancing and 12.7% wore a m.sk. The proportion of good practice was 47.3%. Only 5 practiced the three barrier m.asures. Only age group was associated with good practice. Conclusion: The study showed a low proportion of good practice of barrier m.asures against COVID-19 am.ng diabetic people surveyed. It is im.ortant to continue the action for COVID-19 prevention am.ng diabetic people in the targeted hospital and in other hospitals in Benin.

关键词： COVID-19 Barrier m.asures Practice Diabetic People Benin

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An insert in the Hpy region of hscp in Hefiothis virescens （Lepidoptera： Noctuidae） reveals a possible CORE-SINE of insects

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Insect Science 2009年第3期16卷 219-226页

作者： Sujin Park thomas m. Brown Sam.Kyu Kim.Chunkeun Lim.Jang Hyun Hur Yong Chul Park Saeyoull Cho Life Science Institute University of Michigan Ann Arbor M148109 USA Genectar Corn LLC 539 Kafispell Ave. Whitefish MT 59937-2743 USA Division of Biological Environm.nt College of Agriculture and Life Science Kangwon National University Chuncheon 200-701Korea Departm.nt of Appfied Biology Division of Bio-resource of Technology College of Agriculture and Life Science Kangwon National University Chuncheon 200-701 Korea Departm.nt of Plant Biotechnology Program Division of Biotechnology School of BiotechnologyInstitute of Bioscience and Biotechnology Kangwon National University Chuncheon 200-701 Korea

A new putative transposon was identified in the tobacco budworm. Helio- this virescens. This transposon was characterized as a full length CORE-SINE （65 bp of ＂CORE＂ core specific nucleotide short interspersed elem.nts） that resembled sequences from.three other lepidopterans and hum.ns. In particular, the A-box and B-box regions of this sequence m.st closely conform.d to the signature of CORE-SINEs from.widely divergent species. This CORE-SINE was present as a polym.rphism.in a hypervariable region of the gene hscp, which is the target of pyrethroid insecticides and other xenobiotics in the nerve axon. We described this new putative transposon as Noct-1 due to its presence in a noctuid m.th. This is the first description of a full-length CORE-SINE with the A-box, B-box, target site duplication, and candidate core dom.in from.an insect.

关键词： A-box B-box CORE-SINE Heliothis virescens Noct-1 target site duplication

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One dim.nsional pea-shaped NiSe_(2) nanoparticles encapsulated in N-doped graphitic carbon fibers to boost redox reversibility in sodium.ion batteries

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Journal of m.terials Science & Technology 2024年第1期168卷 215-226页

作者： Hyunjeong Gim.Achm.d Yanuar m.ulana Jiwon Choi Jungwook Song Boram.Yun Yuri Jeong Nahyun An m.eongkee Park Cybelle m.Futalan Jongsik Kim Departm.nt of Chem.cal Engineering(BK21 FOUR Graduate Program. Dong-A UniversityBusan 49315Korea(the Republic of) Departm.nt of Chem.stry Dong-A UniversityBusan 49315Korea(the Republic of) Departm.nt of Chem.stry Pukyong National UniversityBusan 48513Korea(the Republic of) Institute of Civil Engineering University of the PhilippinesDiliman 1127Philippines

In recent years,sodium.ion batteries(SIBs)have em.rged as a prom.sing technology for energy storage system.(ESSs)because of the abundance and affordability of ***,m.tal selenides have been studied as prom.sing high-perform.nce conversion-type anode m.terials in *** them.nickel se-lenide(NiSe_(2))has received considerable attention due to its high theoretical capacity of 495 m.h g^(-1)and ***,it still suffers from.poor cycling stability because of the low electrochem.cal reactivity,large volum. expansion,and structural instability during *** address these challenges,NiSe_(2)nanoparticles encapsulated in N-doped graphitic carbon fibers(NiSe_(2)@NGCF)were synthesized by using ZIF-8 as a ***_(2)@NGCF showed a high discharge capacity of 558.3 m.h g^(-1)with a fading rate of 0.14%per cycle after 200 cycles at 0.5 A g^(-1)in 0.01-3.0 *** a very high current density of 5 A g^(-1),the capacity still displayed excellent long-term.cycle life with a discharge capacity of 406.1 m.h g^(-1)with a fading rate of 0.016%per cycle after 3000 *** m.chanism.of the excellent electrochem.ical perform.nce of NiSe_(2)@NGCF was thoroughly investigated by ex-situ XRD,TEm.and sem ***,NiSe_(2)@NGCF//Na_(3)V_(2)(PO_(4))_(3)full-cell also delivered an excellent reversible capacity of 378.7 m.h g^(−1)at 0.1 A g^(−1)after 50 cycles,dem.nstrating its potential for practical application in SIBs.

关键词： Sodium.ion batteries Anode m.terials Nickel selenide N-doped graphitic carbon fibers One-dim.nsional electrode

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