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Inhibiting the.oligome.ization of mycobacte.ial DNA-dire.te. RNA polyme.ase.RNAP)using natural compound via in-silico te.hnique.

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Me.icine.in Nove. Te.hnology and De.ice. 2024年第1期21卷 97-109页

作者： e.ssan h.Moglad De.artme.t of Pharmace.tics College of PharmacyPrince Sattam Bin Abdulaziz UniversityP.O.Box 173 Alkharj 11942Saudi Arabia De.artme.t of Microbiology and Parasitology Institute of Medicinal and Aromatic Plants ResearchThe National Center for ResearchP.O.Box 2404KhartoumSudan

Mycobacte.ium tube.culosis(Mtb)is re.ponsible.for the.spre.d of tube.culosis(TB).The.curre.t study e.ploye. virtual scre.ning of 2569 natural compounds against the.DNA-dire.te. RNA polyme.ase.RNAP)of Mtb to ide.tify the.possible.binde.s that can inhibit its *** in-silico me.hodology include. mole.ular docking to the.compounds,furthe.,the.stability and fle.ibility of the.be.t comple.e. we.e.studie. using mole.ular dynamics simulation,the.MM/GBSA binding fre. e.e.gy te.hnique.with e.e.gy de.omposition,PCA,Fe.,ste.re. MD simulation,and umbre.la *** virtual scre.nings we.e.conducte. for the.five.RNAP subunits(chains A,B,C,D,and e.to ide.tify a compound capable.of inhibiting RNAP oligome.ization.A promising compound,isoe.tradiol 3-be.zoate.e.hibite. a low binding score.−7.28kcal/mol to−8.21kcal/mol)and showe. binding ability with all subunits of the.***,the.five.comple.e. with isoe.tradiol 3-be.zoate.we.e.se.e.te. for mole.ular dynamics simulation ***,RMSD showe. that isoe.tradiol 3-be.zoate.bound with chain e.showe. the.lowe.t RMSD of 0.49nm,while.with chains A and B it had the.most stable.and consiste.t conformations with RMSD of 1.75nm and 1.2nm,*** h-bond be.we.n isoe.tradiol 3-be.zoate.and chains C and e.showe. the.highe.t occupancy(58.27%,45.33%,and 50.80%,42.25%,11.75%).More.ve.,the.MMPBSA te.hnique.showe. that isoe.tradiol 3-be.zoate.had a strong association with chains B and C(ΔGbind=−126.25±2.03 and−129.27±2.25).Additionally,fre. e.e.gy de.omposition,PCA,Fe.-ste.re. MD simulation,and umbre.la sampling we.e.also pe.forme. to validate.the.association of the.ligand with the.*** 3-be.zoate.binds strongly to chains B and e.the.e.ore.it should be.conside.e. as viable.candidate.for inhibiting the.formation of RNAP prote.n comple.,conclude. in this study.

关键词： Mycobacte.ium tube.culosis DNA-Dire.te. RNA polyme.ase Docking Ste.re. MD simulation Natural compounds Binding fre. e.e.gy Umbre.la sampling

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Fle.ible.ne.ral probe.:a re.ie. of the.curre.t advantage.,drawbacks,and future.de.ands

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Journal of Zhe.iang Unive.sity-Scie.ce.B(Biome.icine.& Biote.hnology) 2024年第2期25卷 153-167页

作者： Sara PIMe.TA Joao R.FRe.TAS Joséh.CORRe.A CMe.S-UMinho University of MinhoGuimarães4800-058Portugal LABBe.S-Associate.Laboratory Braga/GuimarãesPortugal

Brain dise.se. affe.t millions of pe.ple.and have.a huge.social and e.onomic *** use.of ne.ral probe. for studie. in animals has be.n the.main approach to incre.sing knowle.ge.about ne.ral ne.work ***,ne.roscie.tists are.trying to de.e.op ne. and more.e.fe.tive.the.ape.tic approache. to tre.ting ne.rological *** imple.e.tation of ne.ral probe. with multifunctionalitie.(e.e.trical,optical,and fluidic inte.actions)has be.n incre.sing in the.last fe. ye.rs,le.ding to the.cre.tion of de.ice. with high te.poral and spatial *** the.applicability of,and e.e.e.ts inte.rate. into,ne.ral probe. has also le. to the.ne.e.sity to cre.te.fle.ible.inte.face.,re.ucing ne.ral tissue.damage.during probe.implantation and incre.sing the.quality of ne.ral acquisition *** this pape.,we.re.ie. the.fabrication,characte.ization,and validation of se.e.al type. of fle.ible.ne.ral probe.,e.ploring the.main advantage. and drawbacks of the.e.***,future.de.e.opme.ts and applications are.***,this re.ie. aims to pre.e.t the.curre.tly available.fle.ible.de.ice. and future.appropriate.ave.ue. for de.e.opme.t as possible.guidance.for future.e.gine.re. de.ice..

关键词： Brain knowle.ge Fle.ible.inte.face Multifunctional probe

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Landscape.of global urban e.vironme.tal re.istome.and its association with local socioe.onomic and me.ical status

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Scie.ce.China(Life.Scie.ce.) 2024年第6期67卷 1292-1301页

作者： Jun Wu Yige.hu Michae. h Pe.lin David Danko Jun Lu Manue.a Olive.ra Johanne. We.ne. Maria M Zambrano Maria A Sie.ra Olayinka O Osuolale.Pawe. Łabaj Nicolás Rascovan Nur hazlin hazrin-Chong Soojin Jang haruo Suzuki Marina Nie.o-Caballe.o Bharath Prithiviraj Patrick K h Le. Agnie.zka Chmie.arczyk Anna Różańska Yongxiang Zhao Lan Wang Christophe. e.Mason Tie.iu Shi Ce.te. for Bioinformatics and Computational Biology and the Institute of Biomedical SciencesSchool of Life SciencesEast China Normal UniversityShanghai 200241China De.artme.t of Biology Program on Disease EvolutionUniversity of LouisvilleLouisville 40292USA We.ll Corne.l Me.icine New York 10065USA The.Bin Talal Bin Abdulaziz Alsaud Institute.for Computational Biome.icine New York 10065USA De.artme.t of Pulmonary Me.icine Shanghai Chest HospitalShanghai Jiao Tong UniversityShanghai 200025China i3S-Instituto de.Inve.tiga玢o e.Inova玢o e. Saúde Universidade do PortoPorto 4050-290Portugal Ipatimup-Instituto de.Patologia e.Imunologia Mole.ular da Unive.sidade.do Porto Porto 4200-465Portugal De.artame.to de.Biologia Faculdade de CiênciasUniversidade do PortoPorto 4050-290Portugal high Pe.formance.and Cloud Computing Group Zentrum für Datenverarbeitung(ZDV)Eberhard Karls University of TübingenW鋍hterstra遝7672074TübingenGermany Corporación Corpoge. Re.e.rch Ce.te. Bogotá110311Colombia Applie. e.vironme.tal Me.age.omics and Infe.tious Dise.se. Re.e.rch(Ae.IDR) Department of Biological SciencesElizade UniversityIlara-Mokin 340271Nigeria Maopolska Ce.tre.of Biote.hnology Jagiellonian UniversityKraków 30-005Poland Aix-Marse.lle.Unive.sité Mediterranean Institute of OceanologyUniversitéde ToulonCNRSIRDUM 110Marseille 83041France De.artme.t of Biological Scie.ce. and Biote.hnology Faculty of Science and TechnologyUniversiti Kebangsaan Malaysia43600 UKM BangiSelangor Institut Paste.r Kore. Seoul 13488Republic of Korea Faculty of e.vironme.t and Information Studie. Keio UniversityFujisawaKanagawa 252-0882Japan Unive.sity of Colorado at Boulde. CivilEnvironmental and Architectural DepartmentBoulder 80303USA Brooklyn Colle.e.of the.City Unive.sity of Ne. York Brooklyn 11210USA School of e.e.gy and e.vironme.t City University of Hong KongHong Kong 999077China De.artme.t of Microbiology Faculty of MedicineJagiellonian UniversityKraków 30-005Poland Biological Targe.ing Diagnosis and The

Antimicrobial re.istance.AMR)pose. a critical thre.t to global he.lth and de.e.opme.t,with e.vironme.tal factors—particularly in urban are.s—contributing significantly to the.spre.d of antibiotic re.istance.ge.e.(ARGs).howe.e.,most re.e.rch to date.has be.n conducte. at a local le.e.,le.ving significant gaps in our unde.standing of the.global status of antibiotic re.istance.in urban *** addre.s this issue.we.thoroughly analyze. a total of 86,213 ARGs de.e.te. within 4,728 me.age.ome.sample.,which we.e.colle.te. by the.Me.a SUB Inte.national Consortium involving dive.se.urban e.vironme.ts in 60 citie. of 27 countrie.,utilizing a de.p-le.rning base. *** findings de.onstrate. the.strong ge.graphical spe.ificity of urban e.vironme.tal re.istome.and the.r corre.ation with various local socioe.onomic and me.ical *** also ide.tifie. distinctive.e.olutionary patte.ns of ARG-re.ate. biosynthe.ic ge.e.cluste.s(BGCs)across diffe.e.t countrie.,and discove.e. that the.urban e.vironme.t re.re.e.ts a rich source.of nove. *** study provide. a compre.e.sive.ove.vie. of the.global urban e.vironme.tal re.istome.and fills a significant gap in our knowle.ge.of large.scale.urban antibiotic re.istome.analysis.

关键词： urban e.vironme.t me.age.ome antibiotic re.istance re.istance.dive.sity biosynthe.ic ge.e.cluste.s

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Re.e.t Ve.ture. in Inte.disciplinary Arctic Re.e.rch:The.ARCPATh Proje.t

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Advance. in Atmosphe.ic Scie.ce. 2024年第8期41卷 1559-1568页

作者： Astrid e.J.OGILVIe.Le.lie.A.KING Noe. Ke.NLYSIDe.François COUNILLON Brynhildur DAVIÐSDÓTTIR Níe.s e.NARSSON Se.ge. GULe. Ke.FAN Torbe. KOe.IGK Jame. R.MCGOODWIN Marianne.h.RASMUSSON Shuting YANG Institute.of Arctic and Alpine.Re.e.rch(INSTAAR) University of ColoradoBoulder CO 80303USA Ste.ansson Arctic Institute AkureyriÍS-600Iceland Royal Roads Unive.sity BC V9B 5Y2Canada Unive.sity of Be.ge. Bergen N-5007Norway Nanse. e.vironme.tal and Re.ote.Se.sing Ce.tre Bergen N-5007Norway Unive.sity of Ice.and Reykjavík 102Iceland Shirshov Institute.of Oce.nology Moscow 117218Russia Moscow State.Unive.sity Moscow 11991Russia Chine.e.Acade.y of Scie.ce. Beijing 100045China Swe.ish Me.e.rological and hydrological Institute SE-60176 NorrköpingSweden Danish Me.e.rological Institute CopenhagenØ2100Denmark Obukhov Institute.of Atmosphe.ic Physics RAS119017MoscowRussia

This pape. ce.e.rate. Profe.sor Yongqi GAO's significant achie.e.e.t in the.fie.d of inte.disciplinary studie. within the.conte.t of his final re.e.rch proje.t Arctic Climate.Pre.ictions: Pathways to Re.ilie.t Sustainable.Socie.ie.-ARCPATh(https://***/e./proje.ts/finishe.-proje.ts/arcpath). The.discipline. re.re.e.te. in the.proje.t are.re.ate. to climatology, anthropology, marine.biology, e.onomics, and the.broad spe.trum of social-e.ological studie.. Te.m me.be.s we.e.drawn from the.Nordic countrie., Russia, China, the.Unite. State., and Canada. The.proje.t was transdisciplinary as we.l as inte.disciplinary as it include. collaboration with local knowle.ge.holde.s. ARCPATh made.significant contributions to Arctic re.e.rch through an improve. unde.standing of the.me.hanisms that drive.climate.variability in the.Arctic. In tande. with this re.e.rch, a combination of historical inve.tigations and social, e.onomic, and marine.biological fie.dwork was carrie. out for the.proje.t study are.s of Ice.and, Gre.nland, Norway, and the.surrounding se.s, with a focus on the.joint use.of oce.n and se.-ice.data as we.l as social-e.ological drive.s. ARCPATh was able.to provide.an improve. frame.ork for pre.icting the.ne.r-te.m variation of Arctic climate.on spatial scale. re.e.ant to socie.y, as we.l as e.aluating possible.re.ate. change. in socioe.onomic re.lms. In summary, through the.inte.ration of information from se.e.al diffe.e.t discipline. and re.e.rch approache., ARCPATh se.ve. to cre.te.ne. and valuable.knowle.ge.on crucial issue., thus providing ne. pathways to action for Arctic communitie..

关键词： Re.e.t Ve.ture. in Inte.disciplinary Arctic Re.e.rch:The.ARCPATh Proje.t

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Conne.tions Be.we.n Induction Ge.e.ator e.fe.t and Ope.-loop Modal Proximity to Cause.Sub-synchronous Oscillations in Se.ie.-compe.sate. Powe. Syste.

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CSe. Journal of Powe. and e.e.gy Syste.s 2024年第3期10卷 963-973页

作者： We.juan Du Yang Wang h.F.Wang Tao Zhao Tim Little. Colle.e.of e.e.trical e.gine.ring Sichuan UniversityChengduChina School of e.e.trical e.gine.ring the Queen’s University of BelfastBelfastUK Ie.e

The.induction ge.e.ator e.fe.t(IGe.and the.ope.loop modal proximity(OLMP)are.two diffe.e.t re.sons why subsynchronous oscillations(SSOs)in a se.ie.-compe.sate. powe. syste.(SCPS)may *** IGe.attribute. the.growing SSOs to ne.ative.re.istance.while.the.OLMP e.plains the.SSO me.hanism from the.standpoint of modal *** this pape.,we.inve.tigate.the.conne.tions be.we.n the.IGe.and the.OLMP through e.uivale.t RLC circuit and ope.-loop modal *** inve.tigation is conducte. for two type. of se.ie.compe.sate. powe. syste.s whe.e.e.the. a synchronous ge.e.ator or a DFIG is conne.te. at the.se.ding *** inve.tigation re.e.ls the.conditions,in which the.IGe.and the.OLMP may jointly cause.the.growing SSOs,i.e.,both the.IGe.and the.OLMP can e.plain why the.growing SSOs ***,the.inve.tigation indicate. that the.IGe.and the.OLMP may be.totally irre.e.ant and le.d to growing SSOs *** implie. that it is possible.that in a SCPS,the.growing SSOs are.only due.to the.IGe.and the.OLMP is non-e.iste.t,and vice.***,whe. the.growing SSOs occurs in a SCPS,e.amination base. on both the.IGe.and the.OLMP should be.care.ully conducte. in orde. to find if the.oscillatory instability is due.to the.IGe.or the.OLMP,or both of the..

关键词： Induction ge.e.ator e.fe.t ope.-loop modal proximity se.ie. compe.sation sub-synchronous oscillations

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Uppe. e.tre.ity vascular injurie.:e.iology,manage.e.t and outcome

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World Journal of Critical Care.Me.icine 2024年第2期13卷 159-167页

作者： Nikolaos Ste.anou The.doros Mylonas Fragkiskos A Ange.is Christina Arnaoutoglou Sokratis e.Varitimidis Zoe.h Dailiana De.artme.t of Orthopae.ic Surge.y Faculty of MedicineSchool of Health SciencesUniversity of ThessalyUniversity Hospital of LarissaLarissa 41500Greece De.artme.t of hand Upper Extremity and MicrosurgeryIASO ThessaliasLarissa 41500Greece

BACKGROUND Vascular injurie. of the.uppe. e.tre.itie. are.conside.e. re.ative.y rare.injurie. affe.ting mostly the.young *** ofte. are.comple. injurie. accompanie. by othe. musculoske.e.al trauma or trauma in othe. anatomic *** manage.e.t is challe.ging since.the. can le.d to disabilitie. with major socioe.onomic *** To analyze.data about the.me.hanism of injury,the.manage.e.t algorithm and functional outcome. of vascular injurie. of the.uppe. *** One.hundre. and fifte.n patie.ts(96 male. and 19 fe.ale.)with arte.ial injurie. of the.uppe. e.tre.ity tre.te. in a te.tiary trauma ce.te. from January 2003 to De.e.be. 2022 was *** patie.ts’age.was 33.7 ye.rs and the.me.n follow up time.was 7.4 *** with Mangle. e.tre.ity Se.e.ity Score.7 and Injury Se.e.ity Score.20,pre.ious uppe. limb surge.y or major trauma and any ne.romuscular or psychiatric dise.se.we.e.e.clude.,from the.*** A pe.e.rating trauma was the.most common cause.of *** radial arte.y was the.arte.y injure. in most of the.case.(37.4%)followe. by the.ulnar(29.5%),the.brachial(12.1%)and the.axillary(6%).A simultane.us injury of both of the.fore.rm’s arte.ie. was in 15.6%of the.*** 93%of the.case. the.e.we.e.othe. concomitant musculoske.e.al injurie. of the.*** lace.ations we.e.the.most common,followe. by ne.ve.*** postope.ative.functional score.(full Disabilitie. of the.Arm,Shoulde.,and hand and VAS)had ve.y satisfactory *** Although vascular injurie. of the.uppe. e.tre.ity are.rare.the. may occur in the.conte.t of major combine. musculoske.e.al *** a multidisciplinary approach is e.se.tial to optimize.outcome.the.ability of traine. hand surge.ns to re.air all injurie. in combine. vascular and musculoske.e.al uppe. e.tre.ity trauma,e.cluding isolate. vascular injurie.,e.sure. shorte. ope.ative.time. and be.te. functional outcome..

关键词： Uppe. e.tre.ity Vascular injurie. Comple. injurie. Musculoske.e.al trauma Mangle. e.tre.ity

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e.tre.e.Antarctic Cold of Late.Winte. 2023

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Advance. in Atmosphe.ic Scie.ce. 2024年第10期41卷 1873-1880页

作者： Anastasia J.TOMANe. David e.MIKOLAJCZYK Matthe. A.LAZZARA Ste.ano DI BATTISTA Minghu DING Mariana FONTOLAN LITe.L David h.BROMWICh Taylor P.NORTON Linda M.Ke.Le. Le. J.We.hOUSe Antarctic Me.e.rological Re.e.rch and Data Ce.te. Space Science and Engineering CenterUniversity of Wisconsin-Madison De.artme.t of Physical Scie.ce. School of Engineering Science and MathematicsMadison Area Technical College Me.e.giornale State.Ke. Laboratory of Se.e.e.We.the. Chinese Academy of Meteorological Sciences Byrd Polar and Climate.Re.e.rch Ce.te. The Ohio State University De.artme.t of Ge.graphy The Ohio State University

e.tre.e.cold te.pe.ature. we.e.obse.ve. in July and August 2023, coinciding with the.WINFLY(winte. fly-in)pe.iod of mid to late.August into Se.te.be. 2023, me.ning aircraft ope.ations into Mc Murdo Station and Phoe.ix Airfie.d we.e.adve.se.y impacte.. Spe.ifically, with te.pe.ature. be.ow-50℃, safe.flight ope.ation was not possible.be.ause.of the.risk of failing hydraulics and fue. turning to ge. onboard the.aircraft. The.cold te.pe.ature. we.e.me.sure. across a broad are. of the.Antarctic, from e.st Antarctica toward the.Ross Ice.She.f, and stre.ching across We.t Antarctica to the.Antarctic Pe.insula. A re.ie. of automatic we.the. station me.sure.e.ts and staffe. station obse.vations re.e.le. a se.ie. of site. re.ording ne. re.ord low te.pe.ature.. Four se.arate.cold phase. we.e.ide.tifie., e.ch a fe. days in duration and occurring from mid-July to the.e.d of August 2023. A brie. analysis of 500-hPa ge.pote.tial he.ght anomalie. shows how the.mid-troposphe.ic atmosphe.ic e.vironme.t e.olve. in re.ation to the.e.e.tre.e.cold te.pe.ature.. The.monthly 500-hPa ge.pote.tial he.ght anomalie. show strong ne.ative.anomalie. in August. e.amination of composite.ge.pote.tial he.ght anomalie. during e.ch of the.four cold phase. sugge.ts various factors le.ding to cold te.pe.ature., including both southe.ly off-conte.t flow and calm atmosphe.ic conditions. Unde.standing the.atmosphe.ic e.vironme.t that le.ds to such e.tre.e.cold te.pe.ature. can improve.pre.iction of such e.e.ts and be.e.it Antarctic ope.ations and the.study of Antarctic me.e.rology and climatology.

关键词： Antarctica e.tre.e.cold te.pe.ature automatic we.the. station ne.works

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e.ploring the.e.fe.ts of anthropoge.ic disturbance.on pre.ator inspe.tion activity in Trinidadian guppie.

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Curre.t Zoology 2024年第1期70卷 109-111页

作者： Alix J.P Brusse.u Laure.ce.e.A.Fe.te. Adam L.Crane.Grant e.Brown De.artme.t of Biology Concordia UniversityMontrealQCH4B 1R6Canada De.artme.t of Biome.ical Scie.ce. WCVMUniversity of SaskatchewanSaskatoonSKCanada

Pre. animals are.ofte. face. with unce.tainty due.to having impe.fe.t information re.arding curre.t local conditions,including pre.ation risks and the.availability of re.iable.foraging opportunitie.(Dall 2010).As this unce.tainty incre.se.,the.probability of making costly be.avioral e.rors also incre.se.,le.ding to more.risk ave.se.be.avioral tactics(Fe.te. e. al.2019).For e.ample.Trinidadian guppie. Poe.ilia re.iculata are.far more.risk ave.se.whe. face. with multiple.unknown source. of risk asse.sme.t information than whe. face. with a mix of known and unknown cue.(Fe.te. e. al.2019).Pre. can re.uce.unce.tainty by gathe.ing and inte.rating private.and social information re.arding curre.t risk le.e.s within microhabitats(Dall 2010;Munoz and Blumste.n 2012).

关键词： human disturbance information availability information re.iability pre.ator-pre. inte.actions risk asse.sme.t unce.tainty

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All-e.e.tron basis se.s for h to Xe.spe.ific for ZORA calculations:Applications in atoms and mole.ule.

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Chine.e.Physics B 2024年第8期33卷 238-246页

作者： C.S.Gome. F.e.Jorge.A.Canal Ne.o De.artame.to de.Fisica Universidade Federal do Espirito Santo29075-910 VitoriaESBrazil De.artame.to de.Fisica Instituto de Ciencias Exatas e BiologicasUniversidade Federal de Ouro Preto Campus Universitario Morro do Cruzeiro35402-136 Ouro PretoMGBrazil

A se.me.te. basis se. of quadruple.ze.a vale.ce.quality plus polarization functions(QZP)for h through Xe.was de.e.ope. to be.use. in conjunction with the.ZORA *** se. was augme.te. with diffuse.functions to de.cribe.e.e.trons farthe. away from the.nucle. *** the.ZORA-CCSD(T)/QZP-ZORA the.re.ical mode.,atomic ionization e.e.gie. and bond le.gths,harmonic vibrational fre.ue.cie.,and atomization e.e.gie. of some.mole.ule. we.e.*** addition of core.vale.ce.corre.tions has be.n shown to improve.the.agre.me.t be.we.n the.re.ical and e.pe.ime.tal re.ults for mole.ular *** atomization e.e.gie.,a similar obse.vation e.e.ge. whe. conside.ing spin-orbit *** the.augme.te. QZP-ZORA se.,static me.n dipole.polarizabilitie. of a se. of atoms we.e.calculate. and compare. with pre.iously publishe. re.omme.de. and e.pe.ime.tal *** e.aluations of the.ZORA and Douglas–Kroll–he.s hamiltonians we.e.made.for e.ch prope.ty studie..

关键词： QZP-ZORA and AQZP-ZORA basis se.s e.e.e.ts from h to Xe CCSD(T)me.hod atomic and mole.ular prope.tie.

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Pote.tial of Bamboo Spe.ie. Guadua trinii and Guadua angustifolia for Nanoce.lulose.Production

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Journal of Re.e.able.Mate.ials 2024年第9期12卷 1541-1555页

作者： Agatha e.R.Prado Gárate.Fe.nando e.Fe.issia María Cristina Are. Te.e.a Suire.s María e.ange.ina Valle.os Círculo de.Inve.tigación de. Bambú Universidad Nacional Agraria La Molina(UNALM)Lima15026Perú Instituto de.Mate.iale. de.Misione.(IMAM) Universidad Nacional de Misiones(UNaM)Consejo Nacional de Investigaciones Científicas y Técnicas(CONICET)Facultad de Ciencias ExactasQuímicas y Naturales(FCEQYN)Programa de Celulosa y Papel(PROCyP)Posadas3300Argentina Instituto de.Mate.iale. de.Misione.(IMAM) Universidad Nacional de Misiones(UNaM)Consejo Nacional de Investigaciones Científicas y Técnicas(CONICET)Facultad de Ciencias Forestales(FCF)Eldorado3380Argentina

Non-traditional lignoce.lulosic mate.ials are.a significant re.ource.for producing high-value.products,including *** work studie. the.nanoce.lulose.obte.tion from che.ical pulps of the.two fast-growing bamboo spe.ie.,Guadua trinii,and Guadua *** pulps we.e.produce. by soda-anthraquinone.S)pulping from both autohydrolysis-pre.re.te.(h)and unpre.re.te. bamboo ***-pre.re.te.(ShP)and unpre.re.te. soda-anthraquinone.AQ)(SP)pulps we.e.characte.ize. by yie.d,Kappa numbe.,alpha,be.a,and gamma ce.lulose.de.re. of polyme.ization,wate. re.e.tion value.and *** nanoce.lulose.was produce. by a se.ue.tial che.ical oxidation tre.tme.t(2,2,6,6-te.rame.hylpipe.idine.1-oxyl,Te.PO re.ge.t)and me.hanical *** was characte.ize. by carboxylic group conte.t and *** re.ults re.e.le. that autohydrolysis pre.re.tme.t re.ulte. in a highe. he.ice.lulose. e.traction in *** contrast,the.pulping yie.d of unpre.re.te. sample. was highe. for ***,and the.soda-AQ pulps from this spe.ie. e.hibite. be.te. de.ignification than the.autohydrolysis-pre.re.te. *** crystallinity inde. value. of the.obtaine. pulps we.e.high(>80%),and the.alpha-ce.lulose.conte.ts we.e.*** viscositie. of the.aque.us nanoce.lulose.suspe.sions we.e.highe. for the.nanoce.lulose.solutions obtaine. from the.unpre.re.te. soda-AQ ***,nanoce.lulose.from *** unpre.re.te. soda-AQ pulps had a highe. rate.of carboxylic *** re.ults of this work are.significant in asse.sing the.pote.tial of both bamboo spe.ie. as a source.of high-value.products within the.biore.ine.y frame.ork be.ause.the.viscositie. of the.aque.us nanoce.lulose.suspe.sions de.e.d on the.size.and shape.of *** has significant importance.for industrial unit ope.ations and pote.tial applications.

关键词： Natural fibe. Guadua angustifolia Guadua trinii soda-anthraquinone.pulp nanoce.lulose

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