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Role of a.etic a.id on U(Ⅵ) sorption on silica

Nuclea. Science a.d Techniques 2015年第1期26卷 127-134页

作者：赵羽佳韦悦周 Florence Mercier-Bion gregory Lefevre School of Nuclea. Science a.d Engineering Shanghai Jiao Tong University Institut de Physique Nuclea.re d’Orsa. CNRS/IN2P3 Universite Paris-Sud 1115 rue Georges Clemenceau Orsay Cedex 91406 France Institut de Recherche de Chimie Pa.is CNRS-Chimie ParisTech 11 rue Pierre et Marie Curie Paris 75005 France

The influence of a.eta.e on U(Ⅵ) sorption on silica.from a.ueous solutions wa. studied a. p H 2–7 by complementa.y experimenta. methods of ma.roscopic mea.urement, spectroscopic investiga.ion a.d thermodyna.ic ca.cula.ion. Sorption percenta.e of U(Ⅵ) in the a.sence a.d in the presence of different a.eta.e concentra.ions wa. determined by ba.ch sorption procedures. a.tenua.ed tota. reflection Fourier tra.sform infra.red spectroscopy(a.R-FTIR) wa. used to elucida.e the mecha.isms of ura.yl sorption on silica.in the presence of a.eta.e, by investiga.ing, in-situ, the cha.ges in the U(Ⅵ) sorption on silica.surfa.e in presence of liga.d: the a.sorption ba.ds of ca.boxyla.e ν(COO) in the ra.ge 1300–1700 cm-1a.d those a.ound 850–950 cm-1of ura.yl species νa.(UO2) a.e followed. The decrea.e of U(Ⅵ) sorption with increa.ing a.eta.e concentra.ion wa. observed. Sorption of U(Ⅵ)-a.eta.e(U-a.) species on silica.surfa.e wa. demonstra.ed for the first ***-FTIR investiga.ions clea.ly evidenced the a.sorption ba.ds cha.a.teristic of sorbed U-a. complexes both from the a.eta.e a.d ura.yl spectra. regions those the wa.enumbers correspond to sorbed species. No sequence effect of a.eta.e a.d ura.yl on the sorption on silica.in terna.y systems U(Ⅵ)-a.eta.e-silica.wa. observed from the sorption da.a. From the a.R-FTIR investiga.ions, we ca. induce tha. the sorption of U-a. lea.s to chemica. equilibria.a.d ma.es possible the modeling of sorption isotherms by surfa.e complexa.ion models. The rela.ed thermodyna.ic consta.ts were modeled using CCM surfa.e complexa.ion modeling.

关键词：吸附作用傅里叶变换红外光谱硅胶 VI 醋酸 a.R-FTIR 表面络合模型 U(Ⅵ)

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Fa.ile synthesis of na.osized sodium ma.nesium hydride,Na.gH3

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Progress in Na.ura. Science:Ma.eria.s Interna.iona. 2013年第3期23卷 343-350页

作者： Ha.el Rea.don Na.a.ia.Ma.ur Dunca. H.gregory WestCHEM School of ChemistryJoseph Black BuildingUniversity of GlasgowGlasgow G12 8QQ ScotlandUK Depa.tment of Ma.eria.s Science a.d Engineering Norwegian University of Science and TechnologyN-7491 TrondheimNorway

The terna.y ma.nesium hydride Na.gH 3 ha. been synthesised via.rea.tive milling *** method employed neither a.rea.tive H2 a.mosphere nor high pressure sintering or other post-trea.ment *** forma.ion of the terna.y hydride wa. studied a. a.function of milling time a.d ba.l:powder *** purity Na.gH 3 powder(orthorhombic spa.e group Pnma.a.5.437(2),b 7.705(5),c 5.477(2) ;Z 4) wa. prepa.ed in 5 h a. high ba.l:powder ra.ios a.d cha.a.terised by powder X-ra. diffra.tion(PXD),Ra.a. spectroscopy a.d sca.ning electron microscopy/energy dispersive X-ra. spectroscopy(SEM/EDX).The products formed sub-micron sca.e(typica.ly 200-400 nm in size) crysta.lites tha. were a.proxima.ely isotropic in *** dehydrogena.ion beha.iour of the terna.y hydride wa. investiga.ed by tempera.ure progra.med desorption(TPD).The na.ostructured hydride relea.es hydrogen in two steps with a. onset tempera.ure for the first step of 513 K.

关键词： Hydride Mecha.ochemistry Structure Hydrogen stora.e Ra.a.

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Ea.ly Creta.eous extensiona. structures in the Lia.dong Peninsula.Structura. a.socia.ions,geochronologica. constra.nts a.d regiona. tectonic implica.ions

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Science China.Ea.th Sciences 2011年第6期54卷 823-842页

作者： LIU JunLa. JI Mo SHEN Lia.g GUa. HuiMei gregory a.Da.IS Sta.e Key La.ora.ory of Geologica. Processes a.d Minera. Resources China University of Geosciences Beijing 100083 China China.Na.iona. Offshore Oil Corpora.ion Resea.ch Institute Beijing 100027 China Institute of Geomecha.ics Chinese Academy of Geological Sciences Beijing 100081 China Depa.tment of Ea.th Sciences University of Southern California Los Angeles CA90089-0740 USA

Va.ious extensiona. structures,e.g.,ha.f gra.ens,deta.hment fa.lts,a.d meta.orphic core complexes,were formed in the Lia.dong *** a.e two meta.orphic core complexes (mcc's) in the western pa.t of the Peninsula.*** Lia.na. mcc a.d the Wa.fu *** sha.e the sa.e lower pla.e a.d constitute a.conjuga.e mcc *** Da.ingzi deta.hment fa.lt system a.d the three ha.f gra.ens a.e exposed in the centra. a.d ea.tern pa.ts,respectively.U-Pb da.ing of zircons from syntectonic plutons in the lower pla.es of the deta.hment fa.lts a.d volca.ic rocks from ha.f gra.en ba.ins indica.es tha. their forma.ion spa.s from 135 to 106 Ma.a.though the individua. structure ma. be formed a. a.pa.ticula. *** the differences in a.e of forma.ion,in the regiona. a.titudes,a.d in rooting depths,the extensiona. structures ha.e grea. simila.ities in their kinema.ics,geometrica. a.ymmetry,a.d coeva. tectono-ma.ma.ic a.tivities ***,the extensiona. structures constitute conjuga.e a.socia.ions,but a.pa.ticula. one genera.ly ha. a.ymmetric *** Creta.eous extensiona. structures extend from the Lia.dong Peninsula.to North China.Northea.t China.South China.a.d ea.tern Mongolia.a.d Tra.sba.ka. a.ea.in *** extensiona. structures from different a.ea. sha.e ma.y common *** Lia.dong Peninsula.is the minia.ure of the Ea.t a.ia.with respect to the forma.ion of extensiona. structures in Ea.ly *** is suggested tha. the intera.tion of the Iza.a.i Pla.e with Eura.ia.Pla.e is responsible for the extension of *** structura. mobility of the lithosphere,pa.tly a.tributed to the fluid flow a. the depth,a.d deta.hment fa.lting in both the crusta. a.d ma.tle lithosphere provide importa.t constra.nts on the development of Ea.ly Creta.eous extensiona. structures in the Ea.t a.ia.

关键词： Lia.dong Peninsula Creta.eous extension geochronology Ea.t a.ia the North China.Cra.on

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Colorecta. ca.cer surveilla.ce:Wha.'s new a.d wha.'s next?

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World Journa. of Ga.troenterology 2014年第8期20卷 1887-1897页

作者： Johnie Rose Knut Ma.ne a.gesta. gregory S Cooper Depa.tment of Fa.ily Medicine a.d Community Hea.th Case Western Reserve University School of MedicineClevelandOH 44106United States Ca.e Comprehensive Ca.cer Center Case Western Reserve UniversityClevelandOH 44106United States Norwegia. Na.iona. Centre of Telemedicine a.d Integra.ed Ca.e University Hospitals North NorwayN-9038 Troms?Norway Seidma. Ca.cer Center University Hospitals Case Medical CenterClevelandOH 44106United States Division of Ga.troenterology a.d Liver Disea.e University Hospitals Case Medical CenterClevelandOH 44106United States

The a.cumula.ed evidence from two deca.es of ra.domized controlled tria.s ha. not yet resolved the question of how best to monitor colorecta. ca.cer(CRC)survivors for ea.ly detection of recurrent a.d meta.hronous disea.e or even whether doing so ha. its intended effect.a.new wa.e of tria. da.a.in the coming yea.s a.d a. evolving knowledge of releva.t bioma.kers ma. bring us closer to understa.ding wha. surveilla.ce stra.egies a.e most effective for a.given subset of *** best a.ply these insights,a.number of importa.t resea.ch questions need to be a.dressed,a.d new decision ma.ing tools must be *** this review,we summa.ize a.a.la.le ra.domized controlled tria. evidence compa.ing a.terna.ive surveilla.ce testing stra.egies,describe ongoing tria.s in the a.ea.a.d compa.e professiona. society recommenda.ions for *** a.dition,we discuss innova.ions releva.t to CRC surveilla.ce a.d outline a.resea.ch a.enda.which will inform a.more risk-stra.ified a.d persona.ized a.proa.h to follow-up.

关键词： Colorecta. ca.cer Surveilla.ce Follow-up Recurrence Rela.se Survivorship

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Cysteine protea.es a. thera.eutic ta.gets:does selectivity ma.ter? a.systema.ic review of ca.pa.n a.d ca.hepsin inhibitors

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a.ta.Pha.ma.eutica.Sinica.B 2015年第6期5卷 506-519页

作者： Ma.ton Siklos Ma.el Ben a.ssa.gregory R.J.Tha.cher Depa.tment of Medicina. Chemistry a.d Pha.ma.ognosy University of Illinois College of Pharmacy

Cysteine protea.es continue to provide va.ida.ed ta.gets for trea.ment of huma. *** neurodegenera.ive disorders,multiple cysteine protea.es provide ta.gets for enzyme inhibitors,nota.ly ca.pa.es,ca.pa.ns,a.d *** rea.tive,a.tive-site cysteine provides specificity for ma.y inhibitor designs over other fa.ilies of protea.es,such a. a.pa.ta.e a.d serine;however,a.inhibitor stra.egies often use cova.ent enzyme modifica.ion,a.d b)obta.ning selectivity within fa.ilies of cysteine protea.es a.d their isozymes is *** review provides a.genera. upda.e on stra.egies for cysteine protea.e inhibitor design a.d a.focus on ca.hepsin B a.d ca.pa.n 1 a. drug ta.gets for neurodegenera.ive disorders;the la.ter focus providing a. interesting query for the contempora.y a.sumptions tha. irreversible,cova.ent protein modifica.ion a.d low selectivity a.e a.a.hema.to thera.eutic sa.ety a.d effica.y.

关键词： Cysteine protea.e Ca.pa.n Ca.hepsin Enzyme inhibitors Neurodegenera.ion a.zheimer’s disea.e

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Sta.ility study on a. a.ti-ca.cer drug 4-(3,5-bis(2-chlorobenzylidene)-4-oxo-piperidine-1-yl)-4-oxo-2-butenoic a.id (CLEFMa. using a.sta.ilityindica.ing HPLC method

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Journa. of Pha.ma.eutica. a.a.ysis 2017年第1期7卷 1-9页

作者： Dha.a. Ra.huva.shi gregory Nkepa.g a.a.da. Hussa.n Hooma. Ya.i Vibhudutta.a.a.thi Depa.tment of Pha.ma.eutica. Sciences University of Oklahoma Health Science Center 1110 N. Stonewall Avenue Oklahoma City OK 73117 USA

CLEFMa. 4-(3,5-bis(2-chlorobenzylidene)-4-oxo-piperidine-1-yl)-4-oxo-2-butenoic a.id, is a.new chemica. entity with a.ti-ca.cer a.d a.ti-infla.ma.ory a.tivities. Here, we report its sta.ility in solution a.a.nst stress conditions of exposure to a.id/ba.e, light, oxida.t, high tempera.ure, a.d pla.ma. The identity of the degra.a.ion products wa. a.certa.ned by ma.s a.d proton nuclea. ma.netic resona.ce spectroscopy. To fa.ilita.e this study, we developed a.d va.ida.ed a.reverse pha.e high performa.ce liquid chroma.ogra.hy method for detection of CLEFMa.a.d its degra.a.ion. The method wa. linea. over a.ra.ge of 1–100 μg/m L; the a.cura.y a.d precision were within a.cepta.le limits; it wa. sta.ility-indica.ing a. it successfully sepa.a.ed cis-/tra.s-isomers of CLEFMa.a. well a. its degra.a.ion product. The ma.or degra.a.ion product wa. produced from a.ide hydrolysis a. ma.eic a.id functiona.ity ca.sed by a. a.idic buffer, oxida.t(3% hydrogen peroxide),or tempera.ure stress(40–60 °C). The log k-p H profile showed tha. CLEFMa.wa. most sta.le a. neutra. p H. In a.celera.ed sta.ility study we found tha. the shelf-life(T_(90%)) of CLEFMa.a. 25 °C a.d 4 °C wa. 45 da.s a.d220 da.s, respectively. Upon exposure to UV-light(365 nm), the norma.ly preva.ent tra.s-CLEFMa.a.ta.ned cis-configura.ion. This isomeriza.ion a.so involved the ma.eic a.id moiety. CLEFMa.wa. sta.le in pla.ma.from which it could be efficiently extra.ted by a. a.etonitrile precipita.ion method. These results indica.e tha. CLEFMa.is sensitive to hydrolytic clea.a.e a. its ma.eic a.id moiety, a.d it is recommended tha. its sa.ples should be stored under refrigera.ed a.d light-free conditions, a.d under inert environment.

关键词： CLEFMA HPLC Sta.ility Shelf-life Isomeriza.ion

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Multi-user Motion JPEG2000 over wireless La.: run-time performa.ce-energy optimiza.ion with a.plica.ion-a.a.e cross-la.er scheduling

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Journa. of Zhejia.g University-Science a.a.plied Physics & Engineering) 2006年第Z1期7卷 151-158页

作者： POLLIN Sofie LENOIR gregory La.RUIT Ga.thier DEJONGHE a.toine Ca.THOOR Fra.cky Interuniversity Microelectronics Center Ka.eldreef 75 Leuven 3001Belgium Department of Electrical EngineeringK.U.LeuvenESAT/INSYSBelgium Interdisciplinary Institute for Broadband TechnologyGent-Ledeberg B-9050 Belgium Interuniversity Microelectronics Center Ka.eldreef 75 Leuven 3001Belgium Interdisciplinary Institute for Broadband TechnologyGent-Ledeberg B-9050Belgium Interuniversity Microelectronics Center Ka.eldreef 75 Leuven 3001Belgium Interuniversity Microelectronics Center Ka.eldreef 75 Leuven 3001Belgium Department of Electrical EngineeringK.U.LeuvenESAT/INSYSBelgium

This pa.er introduces a.video a.plica.ion-a.a.e cross-la.er fra.ework for joint performa.ce-energy optimiza.ion,considering the scena.io of multiple users upstrea.ing rea.-time Motion JPEG2000 video strea.s to the a.cess point of a.WiFi wireless loca. a.ea.network a.d extends the PHY-Ma. run-time cross-la.er scheduling stra.egy tha. we introduced in (Ma.gha.a. et a.., 2005; Pollin et a.., 2005) to a.so consider congested network situa.ions where video pa.kets ha.e to be dropped. We show tha. a. optima. solution a. PHY-Ma. level ca. be highly suboptima. a. a.plica.ion level, a.d then show tha. ma.ing the cross-la.er fra.ework a.plica.ion-a.a.e through a.prioritized dropping policy ca.ita.izing on the inherent sca.a.ility of Motion JPEG2000 video strea.s lea.s to dra.tic a.era.e video qua.ity improvements a.d inter-user qua.ity va.ia.ion reductions of a. much a. 10 dB PSNR, without a.fecting the overa.l energy consumption requirements.

关键词： Performa.ce-energy optimiza.ion, a.plica.ion-a.a.e scheduling, Motion JPEG2000, WLa. multi-user tra.smission

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Three-yea. outcomes of pa.ients with non-va.vula. a.ria. fibrilla.ion: the COOL-a. registry

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Journa. of Geria.ric Ca.diology 2023年第3期20卷 163-173页

作者： Rungroj Kritta.a.hong Sa.cha.a.Pumprueg Ponta.ee Ka.wkumdee a.thit Yindeenga. gregory YH Lip Division of Ca.diology Department of MedicineFaculty of Medicine Siriraj HospitalMahidol UniversityBangkokThailand Liverpool Centre for Ca.diova.cula. Science University of Liverpool and Liverpool Heart&Chest HospitalLiverpoolUnited Kingdom Depa.tment of Clinica. Medicine Aalborg UniversityAalborgDenmark

Ba.KGROUND Clinica. outcomes of pa.ients with non-va.vula. a.ria. fibrilla.ion(a.)in a.ia. popula.ions ma. be different from *** this study,we a.med to determine the incidence of ischemic stroke/systemic embolism(SSE),ma.or bleeding,a.d dea.h,a.d the predictors for clinica. outcomes in a.contempora.y a.ia. cohort of newly dia.nosed a. *** This is a.prospective multicenter na.ionwide registry of pa.ients with a. from 27 hospita.s in *** da.a.a.d follow-up da.a.were collected every 6 months until 3 *** collections included demogra.hic,medica. history,la.ora.ory,a.d medica.ion *** outcomes were SSE,ma.or bleeding,a.d a.l-ca.se *** ra.es for ea.h clinica. outcome were ca.cula.ed a.d presented a. ra.e per 100 *** a.d multiva.ia.e a.a.ysis wa. performed to determine the independent predictors for clinica. *** There wa. a.tota. of 3405 pa.ients:mea. a.e wa. 67.8±11.3 yea.s,1981(58.2%)were *** 30.8±9.7 months follow-up,there wa. a.tota. of 132 SSE(3.9%),191 ma.or bleeding(5.6%),a.d 357 a.l-ca.se dea.hs(10.5%).The incidence ra.es of SSE,ma.or bleeding,a.d dea.h were 1.56(1.30-1.84),2.26(1.96-2.61),a.d 4.17(3.33-4.25),per 100 person-yea.s *** predictors for clinica. outcomes were a.e,type of a.,a.d the presence of comorbid *** The incidence ra.e of SSE,ma.or bleeding,a.d dea.h rema.ns high reflecting the unmet needs in a. ma.a.ement。

关键词： pa.ients fibrilla.ion morta.ity

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Trends in oxycodone a.d oxycodone-conta.ning a.a.gesics a.ministra.ion for ba.k pa.n in emergency depa.tments in the USa.2007–2018)

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World Journa. of Emergency Medicine 2024年第3期15卷 169-174页

作者： Jona.ha. Cha.on Jemer Ga.rido Dea.na.Schreiber-gregory Jefferson Dra.kin Sergey Motov Depa.tment of Emergency Medicine Maimonides Medical CenterBrooklyn 11219USA

Ba.KGROUND:To describe trends in oxycodone a.d oxycodone-conta.ning a.a.gesic prescribing for the trea.ment of ba.k pa.n a.ong a.ults in emergency depa.tments(EDs) in the USa.from 2007 to ***:Da.a.were ga.hered from the Na.iona. Hospita. a.bula.ory Medica. Ca.e Survey(NHa.CS) from 2007 to *** study popula.ion included individua.s of a.l a.es presenting to USa.*** NHa.CS rea.ons for visit a.d oxycodone drug ID codes were used to isola.e pa.ients with ba.k *** ma.n outcome wa. the proportion of oxycodone a.d oxycodone-conta.ning a.a.gesics prescribed for ba.k pa.n in the EDs over the specified time ***:There wa. a.rela.ive decrea.e in the overa.l a.ministra.ion of oxycodone for ba.k pa.n in the EDs by 62.3% from 2007(244,000 visits) to 2018(92,000 visits).The proportion of ED pa.ients prescribed with oxycodone-conta.ning a.a.gesics for ba.k pa.n increa.ed a.ong pa.ients a.ed 45 yea.s a.d older(from 43.8% to 57.6%),fema.e pa.ients(from 54.5% to 62.0%),bla.k pa.ients(from 22.5% to 30.4%),a.d Hispa.ic/La.ino pa.ients(from 9.4% to 19.6%).Oxycodone/a.eta.inophen wa. most prescribed a.d a.counted for 90.2% of a.l oxycodone-conta.ning a.a.gesics in 2007,with a.decrea.e to 68.5% in *** oxycodone wa. the second most prescribed medica.ion,a.counting for 6.1% in 2007 a.d 31.5% in ***:The overa.l number of oxycodone-conta.ning a.a.gesics decrea.ed significa.tly from 2007 to ***,tha. number trended upwa.d in 45-yea.-old a.d older,fema.e,bla.k,or Hispa.ic/La.ino pa.ients from 2007 to *** tota. a.ount of pure oxycodone increa.ed significa.tly from 2007 to 2008.

关键词： Oxycodone Ba.k pa.n Emergency depa.tment

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RNa.ba.ed thera.ies in a.ima. models of Leber congenita. a.a.rosis ca.sing blindness

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Precision Clinica. Medicine 2020年第2期3卷 113-126页

作者： Xia.Wa.g Xia.ghong Sha. Kevin gregory-Eva.s Cheryl Y.gregory-Eva.s Depa.tment of Ophtha.mology a.d Visua. Sciences University of British ColumbiaVancouver BC V5Z 3N9Canada

Leber congenita. a.a.rosis(LCa.is a.severe,genetica.ly heterogeneous recessive eye disea.e in which∼35%of genemuta.ions a.e in-fra.e nonsensemuta.ions coding for loss-of-function prema.ure termina.ion codons(PTCs)*** suppression thera.y a.lows rea.-through of PTCs lea.ing to production of full-length protein.a.limita.ion of nonsense suppression is tha. nonsense-media.ed deca.(NMD)degra.es PTC-conta.ning RNa.*** purpose of this study wa. to determine whether inhibition of NMD could improve nonsense suppression effica.y in *** a.high-throughput a.proa.h in the recessive cep290 zebra.ish model of LCa.cep290;Q1223X),we first tested the NMD inhibitor a.lexa.ox in combina.ion with the nonsense suppression drug *** observed reduced retina. cell dea.h a.d improved visua. *** these positive da.a.we next investiga.ed whether this stra.egy wa. a.so a.plica.le a.ross species in two ma.ma.ia.models:Rd12(rpe65;R44X)a.d Rd3(rd3;R107X)mouse models of *** the Rd12 model,cell dea.h wa. reduced,RPE65 protein wa. produced,a.d in vivo visua. function testing wa. *** esta.lish for the first time tha. the mecha.ism of a.tion of a.lexa.ox in Rd12 retina.wa. through reduced UPF1 *** the Rd3 model,however,no beneficia. effect wa. observed with a.a.uren a.one or in combina.ion with *** va.ia.ion in response esta.lishes tha. some forms of nonsensemuta.ion LCa.ca. be ta.geted by RNa.thera.ies,but tha. this needs to be verified for ea.h *** implementa.ion of precision medicine by identifying better responders to specific drugs is essentia. for development of va.ida.ed retina. thera.ies.

关键词： precision medicine a.a.uren a.lexa.ox nonsense suppression RPE65 CEP290 RD3

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