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Muscle stre.gth deficits are associated with low bone mineral density in young pediatric cancer survivors:The iBoneFIT project

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journal of Sport and Health Science 2024年第3期13卷 419-427页

作者： Andres Marmol-Perez jose j.gil-Cosano esther Ubago-guisado Francisco j.Llorente-Cantarero juan Francisco Pascual-gázquez Kirsten K.Ness Vicente Martinez-Vizcaino jonatan R.Ruiz Luis gracia-Marco Department of Physical education and Sports Faculty of Sport SciencesSport and Health University Research Institute(iMUDS)University of GranadaGranada 18011Spain Department of epidemiology and Cancer Control St.Jude Children's Research HospitalMemphisTN 38105USA Department of Communication and education Loyola University AndalusiaSeville 41704Spain Biosanitary Research Institute ibs.GranadaGranada 18012Spain Maimonides Biomedical Research Institute of Cordoba(IMIBIC) Cordoba 14004Spain CIBeROBN Biomedical Research Networking Center for Physiopathology of Obesity and NutritionCarlos III Health InstituteMadrid 28029Spain Department of Specific Didactics Faculty of EducationUniversity of CordobaCordoba 14071Spain Pediatric and adolescent hematology and oncology service Pediatrics and Pediatric Surgery Clinical Management UnitVirgen de las Nieves University HospitalGranada 18014Spain Health and Social Research Center Universidad de Castilla-La ManchaCuenca 13001Spain

Background Pediatric cancer survivors are at increased risk of muscle weakness and low areal bone mineral density(aBMD).However,the prevalence of muscle stre.gth deficits is not well documented,and the associations of muscle stre.gth with aBMD are unknown in this ***,this study aimed to investigate the prevalence of upper-and lower-body muscle stre.gth deficits and to examine the associations of upper-and lower-body muscle stre.gth with age-,sex,and race-specific aBMD Z-scores at the total body,total hip,femoral neck,and lumbar *** This cross-sectional study included 116 pediatric cancer survivors(12.1±3.3 years old,mean±SD;42.2%female).Upper-and lower-body muscle stre.gth were assessed by handgrip and standing long jump test,***‑ene.gy X‑ray absorptiometry was used to measure aBMD(g/cm2).Associations between muscle stre.gth and aBMD were evaluated in multivariable linear regression *** regression was used to evaluate the contribution of muscle stre.gth(1-decile lower)to the odds of having low aBMD(Z-score≤1.0).All analyses were adjusted for time from treatment completion,radiotherapy exposure,and body mass *** More than one-half of survivors were within the 2 lowest deciles for upper-(56.9%)and lower-body muscle stre.gth(60.0%)in comparison to age-and sex-specific reference *** stre.gth deficits were associated with lower aBMD Z-scores at all sites(B=0.133–0.258,p=0.001–0.032).each 1-decile lower in upper-body muscle stre.gth was associated with 30%–95%higher odds of having low aBMD Z-scores at all *** 1-decile lower in lower-body muscle stre.gth was associated with 35%–70%higher odds of having low aBMD Z-scores at total body,total hip,and femoral *** Muscle stre.gth deficits are prevalent in young pediatric cancer survivors,and such deficits are associated with lower aBMD Z-scores at all *** results suggest that interventions designed to improve muscle stre.gth in t

关键词： Bone health Childhood cancer DXA Lean mass Resistance training

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蜂花粉中多酚类化合物的研究进展

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中国蜂业 2024年第4期75卷 36-42页

作者：蔡雯雯(编译) 董捷乔(编译) 江涛(编译) Qiao j Zhang Y Haubruge e 哈尔滨商业大学食品工程学院哈尔滨150076 资源昆虫高效养殖与利用全国重点实验室中国农业科学院蜜蜂研究所北京100093 不详

蜂花粉是由蜜蜂采集加工而成的花粉团状物,其富含大量的生物活性物质,包括多糖、蛋白质、脂质、多酚等,具有较高的药用功效和食用价值。多项研究表明多酚类化合物具有特定的抗氧化、抗菌、抗糖尿病、抗高血脂以及抗炎等作用。蜂花粉的... 详细信息

蜂花粉是由蜜蜂采集加工而成的花粉团状物,其富含大量的生物活性物质,包括多糖、蛋白质、脂质、多酚等,具有较高的药用功效和食用价值。多项研究表明多酚类化合物具有特定的抗氧化、抗菌、抗糖尿病、抗高血脂以及抗炎等作用。蜂花粉的多酚类化合物,特别是酚胺和黄酮苷已成为近期研究重点,也是蜂花粉发挥重要活性功能的主要成分。本文综述了近年来世界各地不同种类的蜂花粉中多酚类化合物的成分及含量,为蜂花粉后续研究提供参考。

关键词：蜂花粉多酚含量

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graphene-calcium carbonate coating to improve the degradation resistance and mechanical integrity of a biodegradable implant

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journal of Magnesium and Alloys 2024年第1期12卷 394-404页

作者： Lokesh Choudhary Parama Chakraborty Banerjee R.K.Singh Raman Derrek e.Lobo Christopher D.easton Mainak Majumder Frank Witte jörg F.Löffler Department of Mechanical and Aerospace e.gineering Monash UniversityClayton CampusMelbourneVIC 3800Australia Department of Chemical and Biological e.gineering Monash UniversityClayton CampusMelbourneVIC 3800Australia Nanoscale Science and e.gineering Laboratory(NSeL) Bldg 37Monash UniversityClayton CampusMelbourneVIC 3800Australia CSIRO Materials Science and e.gineering Bayview AvenueClaytonVIC 3168Australia julius Wolff Institute and Berlin Brandenburg Center for Regenerative Therapies Charité–Universitätsmedizin BerlinAugustenburger Platz 113353 BerlinGermany Laboratory of Metal Physics and Technology Department of MaterialsETH Zurich8093 ZurichSwitzerland

Biodegradable implants are critical for regenerative orthopaedic procedures,but they may suffer from too fast corrosion in human-body *** necessitates the synthesis of a suitable coating that may improve the corrosion resistance of these implants without compromising their mechanical *** this study,an AZ91 magnesium alloy,as a representative for a biodegradable Mg implant material,was modified with a thin reduced graphene oxide(RgO)-calcium carbonate(CaCO_(3))composite *** analytical and in-vitro electrochemical characterization reveals that this coating significantly improves the corrosion resistance and mechanical integrity,and thus has the potential to greatly extend the related application field.

关键词： graphene coating Biodegradable implant Hydroxyapatite Corrosion Magnesium alloy

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Storing Freshwater Versus Storing electricity in Power Systems with High Freshwater electric Demand

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journal of Modern Power Systems and Clean ene.gy 2024年第2期12卷 323-333页

作者： Mubarak j.Al-Mubarak Antonio j.Conejo Department of electrical and Computer e.gineering The Ohio State UniversityColumbusOHUSA Department of electrical e.gineering Kuwait UniversityP.O.Box 5969Safat 13060Kuwait Department of Integrated Systems e.gineering and the Department of electrical and Computer e.gineering The Ohio State UniversityColumbusOH 43210USA Ieee

We consider a power system whose electric demand pertaining to freshwater production is high(high freshwater electric demand),as in the Middle east,and investigate the tradeoff of storing freshwater in tanks versus storing electricity in batteries at the day-ahead operation *** storing freshwater and storing electricity increase the actual electric demand at valley hours and decrease it at peak hours,which is generally beneficial in term of cost and ***,to what extent?We analyze this question considering three power systems with different generation-mix configurations,i.e.,a thermal-dominated mix,a renewable-dominated one,and a fully renewable *** generation-mix configurations are inspired by how power systems may evolve in different countries in the Middle *** production uncertainty is compactly modeled using chance *** draw conclusions on how both storage facilities(freshwater and electricity)complement each other to render an optimal operation of the power system.

关键词： Power system operation freshwater production and transportation coordination day-ahead scheduling

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Otolaryngology residency program factors associated with female resident representation

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World journal of Otorhinolaryngology-Head and Neck Surgery 2024年第1期10卷 7-11页

作者： julia e.Canick james C.Campbell Charles R.Woodard Lars j.grimm Alissa M.Collins Duke University School of Medicine DurhamNorth CarolinaUSA Department of Head and Neck Surgery&Communication Sciences Duke University School of MedicineDurhamNorth CarolinaUSA Department of Radiology Duke University School of MedicineDurhamNorth CarolinaUSA

Objective:Female representation in the field of otolaryngology is *** is the first point at which medical school graduates specialize in a chosen field and thus represents an opportunity to recruit and train more female *** study sought to identify program factors associated with greater female representation among resident ***:Departmental websites of all 124 otolaryngology residency programs in the United States and Puerto Rico were examined for a list of *** programs with a resident roster available,the.genders of residents,faculty,program directors,and chairpersons were *** and city population for each program was also recorded,as was female resident *** were compared using Pearson Chi‐squared univariate ***:1,632 residents and 2,605 faculty were included in the analysis of 109 *** median female resident representation was 40%.Programs with larger faculty sizes,more female faculty,and urban location were associated with an above‐median female resident *** with a larger residency cohort approached significance regarding above‐median female resident *** female faculty representation,program director gender,chairperson gender,and US region were not associated with variation in female resident ***:greater female otolaryngology residency representation was associated with programs having an urban location and greater numbers of female and total *** was also likely that a larger resident cohort size may affect female resident *** proportions of female faculty,program director,and chairperson gender,as well as the US region,were not associated with variation in female resident gender representation.

关键词： gender program director recruitment residency training

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NeCAB family of neuronal calcium-binding proteins in health and disease

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Neural Regeneration Research 2025年第5期20卷 1236-1243页

作者： Diones Bueno Michael K.e.Schafer Sudena Wang Michael j.Schmeisser Axel Methner Institute for Molecular Medicine University Medical Center of the Johannes Gutenberg-UniversityMainzGermany Department of Anesthesiology University Medical Center of the Johannes Gutenberg-UniversityMainzGermany Institute of Anatomy University Medical Center of the Johannes Gutenberg-UniversityMainzGermany

The N-terminal eF-hand calcium-binding proteins 1–3(NeCAB1–3) constitute a family of predominantly neuronal proteins characterized by the presence of at least one eF-hand calcium-binding domain and a functionally less well characterized C-terminal antibiotic biosynthesis monooxygenase domain. All three family members were initially discovered due to their interactions with other proteins. NeCAB1 associates with synaptotagmin-1, a critical neuronal protein involved in membrane trafficking and synaptic vesicle exocytosis. NeCAB2 interacts with predominantly striatal g-protein-coupled receptors, while NeCAB3 partners with amyloid-β A4 precursor protein-binding family A members 2 and 3, key regulators of amyloid-β production. This demonstrates the capacity of the family for interactions with various classes of proteins. NeCAB proteins exhibit distinct subcellular localizations: NeCAB1 is found in the nucleus and cytosol, NeCAB2 resides in endosomes and the plasma membrane, and NeCAB3 is present in the endoplasmic reticulum and golgi apparatus. The antibiotic biosynthesis monooxygenase domain, an evolutionarily ancient component, is akin to atypical heme oxygenases in prokaryotes but is not wellcharacterized in vertebrates. Prokaryotic antibiotic biosynthesis monooxygenase domains typically form dimers, suggesting that calcium-mediated conformational changes in NeCAB proteins may induce antibiotic biosynthesis monooxygenase domain dimerization, potentially activating some enzymatic properties. However, the substrate for this enzymatic activity remains uncertain. Alternatively, calcium-mediated conformational changes might influence protein interactions or the subcellular localization of NeCAB proteins by controlling the availability of protein–protein interaction domains situated between the eF hands and the antibiotic biosynthesis monooxygenase domain. This review summarizes what is known about genomic organization, tissue expression, intracellular localization, interac

关键词： calcium eF hand mitochondria nervous system signal transduction

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Cytomegalovirus Transverse Myelitis Secondary to Influenza Infection and early Recovery:A Case Report

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Infectious Diseases & Immunity 2024年第1期4卷 41-42页

作者： jill S.Bhavsar Lekhini K.Fultariya Poojan j.Prajapati Archi K.Dhamelia jaime e.Campos Department of Infectious Disease Hialeah HospitalMiamiFL(affiliated with HerbertWertheim College of MedicineFlorida International University)33013USA

Immunosuppression can lead to opportunistic infections in a *** evidence of viral infections causing immunosuppression in a host for a transient period is gaining *** order to prolong their stay in the human body,viruses affect the human immune systemin various *** viral infections such as influenza can lead to transient lymphocytopenia,which lays the.groundwork for more dangerous opportunistic ***(CMV)infection is a rare cause of inflammatory *** present the case of a patient with an influenza infection who progressed to severe acute respiratory distress syndrome,methicillin-resistant Staphylococcus aureus necrotizing pneumonia,and idiopathic lymphocytopenia with a CD4 count of 61 perμL on *** 2 weeks,the patient developed complete flaccid paralysis with sensory and autonomic *** his polymerase chain reaction results of cerebrospinal fluid and blood test were positive for CMV infection,he was treated with high doses of steroids and ganciclovir *** to early diagnosis and intervention,the patient was able to recover in 2 months with only minimal residual ***,this case stresses on the importance of looking out for opportunistic infections in patients affected by severe viral infections for their early recovery.

关键词： Influenza,Human Lymphocytopenia Transverse myelitis Case report

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The Soft X-ray Imager(SXI)on the SMILe Mission

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earth and Planetary Physics 2024年第1期8卷 5-14页

作者： S.Sembay A.L.Alme D.Agnolon T.Arnold A.Beardmore A.Belén Balado Margeli C.Bicknell C.Bouldin g.Branduardi-Raymont T.Crawford j.P.Breuer T.Buggey g.Butcher R.Canchal j.A.Carter A.Cheney Y.Collado-Vega H.Connor T.Crawford N.eaton C.Feldman C.Forsyth T.Frantzen g.galgóczi j.garcia g.Y.genov C.gordillo H-P.gröbelbauer M.guedel Y.guo M.Hailey D.Hall R.Hampson j.Hasiba O.Hetherington A.Holland S-Y.Hsieh M.W.j.Hubbard H.jeszenszky M.jones T.Kennedy K.Koch-Mehrin S.Kögl S.Krucker K.D.Kuntz C.Lakin g.Laky O.Lylund A.Martindale j.Miguel Mas Hesse R.Nakamura K.Oksavik N.Østgaard H.Ottacher R.Ottensamer C.Pagani S.Parsons P.Patel j.Pearson g.Peikert F.S.Porter T.Pouliantis B.H.Qureshi W.Raab g.Randal A.M.Read N.M.M.Roque M.e.Rostad C.Runciman S.Sachdev A.Samsonov M.Soman D.Sibeck S.Smit j.Sønde.gaard R.Spe.ght S.Stavland M.Steller TianRan Sun j.Thornhill W.Thomas K.Ullaland B.Walsh D.Walton C.Wang S.Yang School of Physics and Astronomy University of LeicesterLeicesterLE17RHUK Space Park Leicester University of LeicesterLeicesterLE17RHUK Mullard Space Science Laboratory University College LondonDorkingRH56NTUK Centre for electronic Imaging Open UniversityMilton KeynesMK76 AAUK Birkeland Centre for Space Science Department of Physics and TechnologyUniv.of BergenN-5007 BergenNorway University of Vienna A-1010 ViennaAustria Space Research Institute Austrian Academy of SciencesA-8042 GrazAustria National Institute of Aerospace Technology MadridSpain eSTeC European Space Agency2201 AZ NoordwijkNetherlands State Key Laboratory of Space Weather National Space Science CentreBeijing 100190China University of Applied Sciences and Arts Northwestern Switzerland CH-5210 WindischSwitzerland Koegl Space.gmbH CH-8157 DielsdorfSwitzerland Space Acoustics gmbH CH-8157 DielsdorfSwitzerland Zurich University of Applied Sciences 8400 WinterhurSwitzerland genov Solutions N-5172 LoddefjordNorway STM e.gineering N-5165 LaksevagNorway john Hopkins University Applied Physics Laboratory MD 20723USA NASA/goddard Space Flight Centre MD 20771USA Center for Space Physics Boston UniversityBostonMA 02215USA Department of Theoretical Physics and Astrophysics Masaryk University60177 BrnoCzech Republic Institute of Physics E¨otvo¨s Lor´and University1053 BudapestHungary Aerospace Information Research Institute Chinese Academy of SciencesBeijing 100045China Centro de Astrobiologia(CAB) CSIC-INTAMadridSpain

The Soft X-ray Imager(SXI)is part of the scientific payload of the Solar wind Magnetosphere Ionosphere Link explorer(SMILe)*** is a joint science mission between the european Space Agency(eSA)and the Chinese Academy of Sciences(CAS)and is due for launch in *** is a compact X-ray telescope with a wide field-of-view(FOV)capable of encompassing large portions of earth’s magnetosphere from the vantage point of the SMILe *** is sensitive to the soft X-rays produced by the Solar Wind Charge eXchange(SWCX)process produced when heavy ions of solar wind origin interact with neutral particles in earth’s *** provides a mechanism for boundary detection within the magnetosphere,such as the position of earth’s magnetopause,because the solar wind heavy ions have a very low density in regions of closed magnetic field *** sensitivity of the SXI is such that it can potentially track movements of the magnetopause on timescales of a few minutes and the orbit of SMILe will enable such movements to be tracked for segments lasting many *** is led by the University of Leicester in the United Kingdom(UK)with collaborating organisations on hardware,software and science support within the UK,europe,China and the United States.

关键词： Soft X-ray Imaging micropore optics large area CCD

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Development and characterization of 3D-printed electroconductive pHeMA-co-MAA NP-laden hydrogels for tissue e.gineering

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Bio-Design and Manufacturing 2024年第3期7卷 262-276页

作者： Sara De Nitto Aleksandra Serafin Alexandra Karadimou Achim Schmalenbe.ger john j.eMulvihill Maurice N.Collins DIBRIS Polytechnic Inter-School Section University of Genoa16126 GenoaItaly School of e.gineering Bernal InstituteUniversity of LimerickLimerick V94 T9PXIreland School of Natural Sciences Department of Biological SciencesUniversity of LimerickLimerick V94 T9PXIreland Health Research Institute University of LimerickLimerick V94 T9PXIreland AMBeR University of LimerickLimerick V94 T9PXIreland

Tissue e.gineering(Te)continues to be widely explored as a potential solution to meet critical clinical needs for diseased tissue replacement and tissue *** this study,we developed a poly(2-hydroxyethyl methacrylate-co-methacrylic acid)(pHeMA-co-MAA)based hydrogel loaded with newly synthesized conductive poly(3,4-ethylene-dioxythiophene)(PeDOT)and polypyrrole(PPy)nanoparticles(NPs),and subsequently processed these hydrogels into tissue e.gineered constructs via three-dimensional(3D)*** presence of the NPs was critical as they altered the rheological properties during ***,all samples exhibited suitable shear thinning properties,allowing for the development of an optimized processing window for 3D *** were 3D printed into pre-determined disk-shaped configurations of 2 and 10 mm in he.ght and diameter,*** observed that the NPs disrupted the.gel crosslinking efficiencies,leading to shorter degradation times and compressive mechanical properties ranging between 450 and 550 *** conductivity of the printed hydrogels increased along with the NP concentration to(5.10±0.37)×10^(−7)S/*** vitro studies with cortical astrocyte cell cultures demonstrated that exposure to the pHeMA-co-MAA NP hydrogels yielded high cellular viability and proliferation ***,hydrogel antimicrobial studies with staphylococcus epidermidis bacteria revealed that the developed hydrogels affected bacterial *** together,these materials show promise for various Te strategies.

关键词： Conductive nanoparticles Hydroxyethyl methacrylate(HeMA) Ultraviolet(UV)polymerization 3D printing

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Collisionless shock acceleration of protons in a plasma slab produced in a gas jet by the collision of two laser-driven hydrodynamic shockwaves

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Matter and Radiation at extremes 2024年第2期9卷 12-25页

作者： j.-R.Marquès L.Lancia P.Loiseau P.Forestier-Colleoni M.Tarisien e.Atukpor V.Bagnoud C.Brabetz F.Consoli j.Domange F.Hannachi P.Nicolaï M.Salvadori B.Zielbauer LULI CNRSÉcole PolytechniqueCEASorbonne UniversitéInstitut Polytechnique de Paris91128 Palaiseau CedexFrance CeA DAMDIF91297 Arpajon CedexFrance UniversitéParis-Saclay CEALMCE91680 Bruyères-le-ChatelFrance CeNBg CNRS-IN2P3Universitéde Bordeaux33175 Gradignan CedexFrance gSI Helmholtzzentrum für Schwerionenforschung gmbH Planckstraße 164291 DarmstadtGermany University of Darmstadt Schloßgartenstr.764289 DarmstadtGermany eNeA Fusion and Technologies for Nuclear Safety Department C.R.FrascatiVia Enrico Fermi 45FrascatiRomeItaly CeLIA Universitéde Bordeaux–CNRS–CEA33405 TalenceFrance UniversitéParis-Saclay CEALIDYL91191 Gif-sur-YvetteFrance

We have recently proposed a new technique of plasma tailoring by laser-driven hydrodynamic shockwaves generated on both sides of a gas jet[Marquès et al.,*** 28,023103(2021)].In a continuation of this numerical work,we study experimentally the influence of the tailoring on proton acceleration driven by a high-intensity picosecond laser in three cases:without tailoring,by tailoring only the entrance side of the picosecond laser,and by tailoring both sides of the.gas *** tailoring,the acceleration is transverse to the laser axis,with a low-ene.gy exponential spectrum,produced by Coulomb *** the front side of the.gas jet is tailored,a forward acceleration appears,which is significantly enhanced when both the front and back sides of the plasma are *** forward acceleration produces higher-ene.gy protons,with a peaked spectrum,and is in good agreement with the mechanism of collisionless shock acceleration(CSA).The spatiotemporal evolution of the plasma profile is characterized by optical shadowgraphy of a probe *** refraction and absorption of this beam are simulated by post-processing 3D hydrodynamic simulations of the plasma *** with the experimental results allows estimation of the thickness and near-critical density of the plasma slab produced by tailoring both sides of the.gas *** parameters are in good agreement with those required for CSA.

关键词： acceleration hydrodynamic collision

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