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锆和钽基氧气还原反应催化剂的简易合成(英文)

2011年

作者： AUTORA ana tavares.

来源：畅想之星图书光盘版（南... 评论

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催化学报 2015年第4期36卷 484-489页

作者： David Sebastián Vincenzo Baglio Shuhui Sun ana C.tavares Antonino S.Aricò Istituto di Tecnologie Avanzate per l’Energia "Nicola Giordano" CNR Via Salita Santa Lucia sopra Contesse 5 98126 Messina Italy Institut National de la Recherche Scientifique-énergie Matériaux et Télécommunications 1650 Boulevard Lionel-Boulet Varennes QC J3X 1S2 Canada

Cathode catalysts for direct alcohol fuel cells(DAFCs) must have high catalytic activity for the oxy-gen reduction reaction(ORR), low cost, and high tolerance to the presence of methanol or ethanol. Pt is the benchmark catalyst for this application owing to its excellent electrocatalytic activity, but its high cost and low tolerance to the organic fuel permeating through the membrane have hindered the commercialization of DAFCs. Herein we present a facile synthesis route to obtain organic fuel-tolerant Zr- and Ta-based catalysts supported on carbon. This method consists of a simple precipitation of metal precursors followed by a heat treatment. X-ray diffraction analyses confirmed that the obtained samples were crystalline ZrO 2-x and Na2Ta8O21-x having crystallite sizes of 26 and 32 nm, respectively. The thermal treatment effectively increased the activity of the catalysts to-wards the ORR, although further optimization is necessary. Both catalysts exhibited a high tolerance to the presence of methanol with only a moderate reduction in ORR activity even at high methanol concentration(0.5 mol/L).

关键词：阴极催化剂还原反应简便合成低氧直接醇类燃料电池电催化活性 X射线衍射分析钽基

Assessment and prediction of tablet properties using transmission and backscattering Raman spectroscopy and transmission NIR spectroscopy

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Asian Journal of Pharmaceutical Sciences 2016年第4期11卷 547-558页

作者： Elisabeth Peeters ana Filipa tavares da Silva Maunu Toiviainen Jeroen Van Renterghem Jurgen Vercruysse Mikko Juuti Joao Almeida Lopes Thomas De Beer Chris Vervaet Jean-Paul Remon Laboratory of Pharmaceutical Technology Ghent UniversityOttergemsesteenweg 4609000GhentBelgium Laboratory of Pharmaceutical Process analytical Technology Ghent UniversityOttergemsesteenweg 4609000GhentBelgium REQUIMTE Department of Chemical SciencesUniversity of PortoRua de Jorge Viterbo Ferreira2284050-313PortoPortugal VTT Technical Research Centre of Finland Optical Measurement TechnologiesKaitoväylä190570 OuluFinland

This study investigated whether Raman and Near Infrared(NIR) spectroscopy could predict tablet properties. Granules were produced on a continuous line by varying granulation parameters. Tableting process parameters were adjusted to obtain uniform tablet weight and thickness. Spectra were collected offline and tablet properties determined with traditional analyzing methods. Partial Least Squares(PLS) regression was used to correlate spectral information to tablet properties, but predictive models couldn’t be established. Principal component analysis(PCA) was effectively used to distinguish theophylline concentrations and hydration levels and multiple linear regression(MLR) analysis allowed insight on how granulation parameters affect granule and tablet properties.

关键词： Continuous production PAT Granulation Tableting NIR Raman

Personalizing therapies for gastric cancer: Molecular mechanisms and novel targeted therapies

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World Journal of Gastroenterology 2013年第38期19卷 6383-6397页

作者： Michael Luis ana tavares Liliana S Carvalho Lúcio Lara-Santos António Araújo Ramon Andrade de Mello Gastrointestinal Unit Service of Medical OncologyPortuguese Oncology Institute4200-072 PortoPortugal Gastrointestinal Unit Experimental Pathology and Therapeutics GroupResearch Center-Portuguese Oncology Institute4200-072 PortoPortugal Department of Pharmacology and Therapeutics Faculty of MedicineUniversity of Porto4200-319 PortoPortugal Institute of Cellular and Molecular Biology 4150-180 PortoPortugal Gastrointestinal Unit Section of Surgical OncologyPortuguese Oncology Institute4200-072 PortoPortugal Department of Medicine Faculty of MedicineUniversity of Porto4200-319 PortoPortugal

Globally,gastric cancer is the 4thmost frequently diagnosed cancer and the 2ndleading cause of death from cancer,with an estimated 990000 new cases and738000 deaths registered in *** the advanced setting,standard chemotherapies protocols acquired an important role since last decades in prolong ***,recent advances in molecular therapies provided a new interesting weapon to treat advanced gastric cancer through anti-human epidermal growth factor receptor 2(HER2)***,an anti-HER2 monoclonal antibody,was the first target drug in the metastatic setting that showed benefit in overall survival when in association with platinum-5-fluorouracil based ***,HER2 overexpression analysis acquired a main role in predict response for trastuzumab in this ***,we conducted a review that will discuss the main points concerning trastuzumab and HER2 in gastric cancer,providing a comprehensive overview of molecular mechanisms and novel trials involved.

关键词： Gastric cancer Human epidermal growth factor receptor 2 Biomarkers Target therapies Trastuzumab Lapatinib Pertuzumab Trastuzumab-DM1 Afatinib

Dealing with Multisource Information for Estuarine Flood Risk Appraisal in Two Western European Coastal Areas

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International Journal of Disaster Risk Science 2022年第2期13卷 199-213页

作者： ana Rodrigues Rilo Alexandre Manuel de Oliveira Soares tavares Paula Maria dos Santos Freire José Luis Zêzere Estuarine and Coastal Zones Unit LNEC-National Civil Engineering Laboratory.1700-075 LisbonPortugal Centre of Geographical Studies Institute of Geography and Spatial PlanningUniversidade de Lisboa1700-066 LisbonPortugal Centre for Social Studies and Earth Sciences Department Coimbra University3030-790 CoimbraPortugal

Estuaries are usually affected by compound flooding triggers that cause diverse territorial *** fluvial flood risk assessment frameworks are well established in the literature,integrated management instruments that deal with estuarine flood risk remain incomplete and often *** research presents a methodology to extract relevant information from multiple sources post-event and a database building process that is applied to two contrasting estuaries(the Tagus River estuary in Portugal,and the Shannon River estuary in Ireland)in the Western European coastal ***,a total of 274 documents were analyzed and the information was stored in two *** correspondence analysis was applied to extract the most informative and relevant estuarine flood *** integrated estuarine flood risk assessment framework is presented and discussed based on the extracted *** framework is driven by two distinct dimensions(oceanic and hydrographic)and revealed the transversal position of triggers of estuarine floods,reflecting the compounding effects usually present in these *** results also highlight two levels of flood risk mostly based on damage typology.

关键词： Estuarine floods Estuarine flood indicators Multiple correspondence analysis Post-hazard multisource information Western Europe

Validation of the Portuguese version of the social isolation scale with a sample of community-dwelling older adults

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International Journal of Nursing Sciences 2023年第2期10卷 151-157页

作者： João tavares ana Faria Delphine Gonçalves Diana Mendes Sofia Silva Liliana Sousa Health School University of AveiroAveiroPortugal Center for Health Technology and Services Research(CINTESIS@RISE) Portugal Health Sciences Research Unit:Nursing(UICISA:E) Portugal Department of Education and Psychology University of AveiroAveiroPortugal The Polytechnic Institute of Coimbra Coimbra Education SchoolCoimbraPortugal

Objectives The aim of this study was to analyze the psychometric properties(reliability and validity)of the Social Isolation Scale(SIS)in a sample of Portuguese community-dwelling older *** A transversal descriptive study was carried out with a convenience sample of 250 community-dwelling older adults(≥65 years).The survey comprised a sociodemographic questionnaire,SIS,Geriatric Depression Scale-4(GDS-4),6-item Lubben Social Network Scale(LSNS-6),a loneliness self-assessment question,and Satisfaction with Life Scale(SWLS).Construct validity(confirmatory factor analysis)and convergent validity were analyzed,and ISI internal reliability(composite reliability),external reliability(test-retest,intraclass correlation coefficient)and inter-rater reliability(Cohen’s kappa coefficient)were *** Confirmatory factor analysis showed a two-factor model with an excellent index of *** SIS showed significant correlations with LSNS-6(rs=0.47),SWLS(rs=0.26),the loneliness self-assessment question(rs=0.35),and GDS-4(rs=−0.16).SIS composite reliability was good(0.708).The inter-class correlation coefficient varied from 0.84 to *** Cohen’s kappa coefficient ranged from 0.936 to *** SIS has been shown to be a valid and reliable instrument for assessing social isolation among Portuguese community-dwelling older *** professionals,particularly nurses working in community settings,can use SIS to assess social isolation in older adults to design,implement,and evaluate interventions.

关键词： Aged Loneliness Portugal Psychometrics Social isolation

Inherited Fanconi syndrome

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World Journal of Pediatrics 2023年第7期19卷 619-634页

作者： Anna Luiza Braga Albuquerque Rafael dos Santos Borges ana Flavia Conegundes Erika Emmylaine dos Santos Frederico Moreira Man Fu Clara tavares Araujo Pedro Alves Soares Vaz de Castrol ana Cristina Simoes e Silva Interdisciplinary Laboratory of Medical Investigation Unit of Pediatric NephrologyFaculty of MedicineFederal University of Minas Gerais(UFMG)Belo HorizonteBrazil Department of Pediatrics Faculty of MedicineUFMGAlfredo Balena Avenue1902Nd FloorRoom#281Belo HorizonteMG 30130-100Brazil

Background Fanconi-Debré-de Toni syndrome(also known as Fanconi renotubular syndrome,or FRST)profoundly increased the understanding of the functions of the proximal convoluted tubule(PCT)and provided important insights into the pathophysiology of several kidney diseases and drug *** sources We searched Pubmed and Scopus databases to find relevant articles about *** review article focuses on the physiology of the PCT,as well as on the physiopathology of FRST in children,its diagnosis,and *** FRST encompasses a wide variety of inherited and acquired PCT alterations that lead to impairment of PCT *** children,FRST often presents as a secondary feature of systemic disorders that impair energy supply,such as Lowe's syndrome,Dent's disease,cystinosis,hereditary fructose intolerance,galactosemia,tyrosinemia,Alport syndrome,and Wilson's *** rare,congenital causes of FRST greatly impact the morbidity and mortality of patients and impose diagnostic ***,its treatment is diverse and considers the ability of the clinician to identify the correct etiology of the *** The early diagnosis and treatment of pediatric patients with FRST improve the prognosis and the quality of life.

关键词： Cystinosis Fanconi syndrome Fanconi renotubular syndrome Fanconi-Debre-de Toni syndrome Proximal tubule Renal tubular transport-Rickets

Therapeutic Properties of Flavonoids in Treatment of Cancer through Autophagic Modulation:A Systematic Review

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Chinese Journal of Integrative Medicine 2023年第3期29卷 268-279页

作者： Guilherme Vinicio de Sousa Silva ana Luiza Vieira Ferreira Guimaraes Lopes Isis Carolina Viali Lucas Zannini Medeiros Lima Matheus Ribeiro Bizuti Fabiana Brum Haag Débora tavares de Resende e Silva Department of Medicine Federal University of Fronteira SulChapecóSanta CatarinaBrazil Department of Nursing Federal University of Fronteira SulChapecóSanta CatarinaBrazil Department of Graduate Studies in Biomedical Sciences Federal University of Fronteira SulChapecóSanta CatarinaBrazil

Cancers have high morbidity and mortality rates *** anticancer therapies have demonstrated specific signaling pathways as a target in the involvement of *** is a quality control system for proteins and plays a fundamental role in cancer carcinogenesis,exerting an anticarcinogenic role in normal cells and can inhibit the transformation of malignant ***,drugs aimed at autophagy can function as antitumor *** are a class of polyphenolic secondary metabolites commonly found in plants and,consequently,consumed in *** this review,the systematic search strategy was used,which included the search for descriptors"flavonoids"AND"mTOR pathway"AND"cancer"AND"autophagy",in the electronic databases of PubMed,Cochrane Library,Web of Science and Scopus,from January 2011 to January *** current literature demonstrates that flavonoids have anticarcinogenic properties,including inhibition of cell proliferation,induction of apoptosis,autophagy,necrosis,cell cycle arrest,senescence,impaired cell migration,invasion,tumor angiogenesis and reduced resistance to multiple drugs in tumor *** demonstrate the available evidence on the roles of flavonoids and autophagy in cancer progression and inhibition.(Registration ***42021243071 at PROSPERO)

关键词： anti-cancer effects apoptosis cell proliferation cell survival flavonoids

Implementation of a High-Risk Outpatient Clinic for Children with Complex Congenital Heart Disease in a Reference Service in Brazil

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Congenital Heart Disease 2023年第6期18卷 649-656页

作者： Gustavo Foronda Vanessa Ferreira Amorim de Melo Claudia Regina Pinheiro de Castro Grau Ingrid Magatti Piva Glaucia Maria Penha tavares ana Cristina Sayuri Tanaka Nana Miura Department of Pediatric Cardiology and Adult Congenital Heart Diseases Heart Institute of the University of São PauloSão PauloBrazil Foronda Clinic São PauloBrazil Institute of Orthopedics and Traumatology University of São PauloSão PauloBrazil Department of Echocardiography Heart Institute of the University of São PauloSão PauloBrazil

Background:Children with congenital heart disease(CHD),even after surgical approaches,and especially those who undergo staged procedures in theﬁrst months of life,remain vulnerable to readmissions and complications,requiring very close monitoring and differentiated intervention ***:Descriptive and exploratory study,of the experience report type,which presents the process of building the high-risk outpatient clinic for complex congenital heart diseases(AAR)at the Instituto do Coração(InCor).Results:Report of the path taken to structure the AAR,demonstrating the organization,interface with the multidisciplinary team,admission and discharge criteria,training,and patient proﬁ*** theseﬁve years of care,275 patients were treated,59.65%with biventricular interstage physiology,followed by univentricular interstage physiology(34.55%),residual defects after surgical procedures(3.63%),tumors with risk of mechanical obstruction(1.45%)and patients with an intrauterine approach(0.72%).The signiﬁcant number of critical patients who were successfully discharged from hospital(44.72%),the low mortality rate due to sudden deaths at home and the high adherence to follow-up cor-roborate the impact of this specialized ***:Despite the limitations of the study,this experi-ence report showed that with few resources,there is the possibility of organizing an AAR with differentiated care,with the objective of early detection and treatment of residual injuries,identiﬁcation of early interventions,edu-cation of parents for follow-up of their children,resulting in individualized treatment,promoting a better quality of life for this population.

关键词： Congenital heart defects ambulatory care heart defects

Tailoring the partitioning of proteins using ionic liquids as adjuvants in polymer-polymer aqueous biphasic systems

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Green Chemical Engineering 2022年第4期3卷 328-337页

作者： Flavia F.Magalhaes Matheus M.Pereira Rita de Cassia Superbi de Sousa ana P.M.tavares Joao A.P.Coutinho Mara G.Freire CICECO-Aveiro Institute of Materials Department of ChemistryUniversity of AveiroAveiro3810-193Portugal Separation Process Laboratory(LPS) Department of Food TechnologyFederal University of Viçosa(UFV)P.H.Rolfs Av.s/n36570-000 ViçosaMGBrazil

Aqueous biphasic systems(ABS)are promising for proteins purification;however,when dealing with samples comprising several proteins,the selectivity towards a target protein is difficult to *** this work,the addition of ionic liquids(ILs)as adjuvants(5 wt%and 10 wt%)in ABS composed of polyethylene glycol(PEG)and dextran was investigated to tailor proteins partitioning between the coexisting *** liquid-liquid phase diagrams were determined at 298 K,followed by partition studies of three proteins(bovine serum albumin(BSA),immunoglobulin G(IgG),and cytochrome C(Cyt C)).Partition coefficients of IgG and BSA indicate the preference of both proteins to the dextran-rich phase,whereas Cyt C has no preferential partitioning between the *** addition of chloride-based ILs as adjuvants allows to increase or decrease the partition coefficients,thus tailoring the proteins partitioning between the *** partitioning essentially depends on the IL content in each phase,whereas Cyt C and IgG partitioning is ruled by the ILs chemical structure and established *** docking was carried out to address the ILs effect on the proteins partitioning,supporting experimental observations,while identifying the specific interactions *** partition of each protein in polymer-salt ABS with ILs as adjuvants was determined,demonstrating the higher tailoring ability of polymer-polymer ABS when adding ***,the partition of each protein in presence of the remaining ones was determined,as well as the selectivity of the studied systems to separate each pair of proteins,paving the way for their use in liquidliquid chromatography.

关键词： Aqueous biphasic systems Polymer-polymer systems Protein partition Ionic liquids Adjuvants