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Taenidium barretti ichnofabric and rainfall seasonality:Insights into dryland suites of Scoyenia ichnofacies

Journal of Palaeogeography 2023年第1期12卷 28-49页

作者： diego luciano nascimento Renata Guimaraes Netto Alessandro Batezelli Francisco Sergio Bernardes Ladeira Daniel Sedorko ICHNOS Research Group Geology Graduate ProgramUnisinos UniversityAv.Unisinos95010 Sao LeopoldoRS93022-750Brazil Campinas State University Geology and Natural Resources DepartmentZeferino Vaz University CityBarao GeraldoCampinasSP13083-970Brazil Laboratory of Pedology(LABPED) Department of GeographyGeosciences InstituteGeosciencesState University of CampinasCampinasSP13083-855Brazil Museu Nacional Departamento de Geologia e PaleontologiaUniversidade Federal do Rio de Janeiro.Horto BotanicoParque Quinta da Boa VistaR.Gen.Herculano Gomes1340Sao CristovaoRio de JaneiroRJ20940-040Brazil

The present work analyzes the monotypic Taenidium barretti ichnofabric developed in abandoned channels and floodplains to understand its paleoecological significance in highly seasonal fluvial *** data come from the Cretaceous paleosols of the Marília Formation(Bauru Basin,SE Brazil),in which the *** ichnofabric and rhizoliths represent the biotic *** larvae are considered to be the most likely *** tracemakers in these *** intensity and recurrence of bioturbation suggest that the windows of opportunity for beetle population growth were very short and controlled by the progressive substrate desiccation after flood *** characteristics of the trace fossil assemblage suggest soil colonization by r-strategic organisms triggered by flooding events that provided the resource inputs necessary for their living during rainy *** results also show that in fluvial systems with high discharge variations,the boundaries between a“pre-desiccation suite”and a“desiccation suite”in the Scoyenia ichnofacies can be diffuse due to the short duration of colonization windows and progressive terrestrialization of floodplains and ***,the frequency of flooding events,the lowered water table,and the rapidity of substrate desiccation constrained colonization by other burrowers and may be considered as firstorder factors controlling the generation of a monotypic *** ***,the monotypic Taenidium ichnofabric in the Scoyenia ichnofacies context is an ichnomarker of brief windows for colonization in highly seasonal environments.

关键词： Ichnology Paleopedology Continental ichnofacies Meniscate burrows Ichnofabric

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Colon and rectal cancer:An emergent public health problem

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World Journal of Gastroenterology 2024年第7期30卷 644-651页

作者： Marina Pinheiro David nascimento Moreira Michele Ghidini LAQV REQUIMTEDepartment of ChemistryFaculty of PharmacyUniversity of Porto4050-313 PortoPortugal Unidade de Saúde Pública Unidade Local de Saúde Barcelos/EsposendeBarcelinhos 4755-069BragaPortugal Medical Oncology Unit Fondazione IRCCS Ca’Granda Ospedale Maggiore PoliclinicoMilan 20122Italy

Colorectal cancer ranks third globally,with a high mortality *** the United States,and different countries in Europe,organized population screenings exist and include people between 50 and 74 years of *** screenings have allowed an early diagnosis and consequently an improvement in health *** and rectal cancer(CRC)is a disease of particular interest due to the high global burden associated with it and the role attributed to prevention and early diagnosis in reducing morbidity and *** study is a review of CRC pathology and includes the most recent scientific evidence regarding this pathology,as well as a diagnosis of the epidemiological situation of ***,the recommendation from a public health perspective will be discussed in detail taking into account the context and the most current recommendations.

关键词： Colon and rectal neoplasia Colon and rectal tumor Mortality Morbidity

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A High-Order Localized Artificial Diffusivity Scheme for Discontinuity Capturing on 1D Drift-Flux Models for Gas-Liquid Flows

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Advances in Applied Mathematics and Mechanics 2024年第1期16卷 47-74页

作者： Adyllyson H.nascimento Eugenio S.Rosa Department of Energy School of Mechanical EngineeringUniversity of CampinasCampinasBrazil

A computational code is developed for the numerical solution of onedimensional transient gas-liquid flows using drift-flux models,in isothermal and also with phase change *** these two-phase models,classical upwind schemes such as Roe-and Godunov-type schemes are generally difficult to derive and expensive to use,since there are no treatable analytic expressions for the Jacobian matrix,eigenvalues and eigenvectors of the system of *** the other hand,the highorder compact finite difference scheme becomes an attractive alternative on these occasions,as it does not make use of any wave propagation information from the system of *** present paper extends the localized artificial diffusivity method for high-order compact finite difference schemes to solve two-phase flows with *** numerical method has simple formulation,straightforward implementation,low computational cost and,most importantly,*** numerical methodology proposed is validated by solving several numerical examples given in the *** simulations are sixth-order accurate and it is shown that the proposed numerical method provides accurate approximations of shock waves and contact *** is an essential property for simulations of realistic mass transport problems relevant to operations in the petroleum industry。

关键词： Compressible two-phase flows drift-flux model localized artificial diffusivity highorder numerical methods

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The Impact of the Monetary Policy During the COVID-19 in the Brazilian Banking Sector

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Chinese Business Review 2024年第2期23卷 60-75页

作者： Karina Robial Michele nascimento Jucá Mackenzie Presbiterian University Sao PauloBrazil

The COVID-19 pandemic caused an outbreak on the global productive chains,transforming companies and society in *** adopted anticyclical policies such as basic interest rates reduction as *** basic interest rate is denominated *** application of these policies requires the protagonist of bank’s financial *** study aims to verify two events-under the perspective of the efficient markets’*** first is the communication of the first death by COVID-19-and the subsequent,Selic rate reduction to 2%p.a.-and its effects on bank’s shares *** hypotheses presented are:H1-The announcement of the first death by COVID-19 negatively impacts the banks’shares returns and H2-The announcement of the Selic interest rate-during the COVID-19-positively impacts the return of the banks’*** adopt event study methodology in a final sample of nine and 15 banks to Events 1 and 2 *** results confirm H1 as well as the semi-strong informational efficiency market.H2 is not *** confirm the non-effectiveness of the anticyclical policy of basic interest rate *** contributes to the discussion about the impacts of COVID-19 and the efficacy of anticyclical policies.

关键词： monetary policy COVID-19 banks Brazil event study

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Evaluation of the Antibacterial and Antifungal Capacity of Nanoemulsions Loaded with Synthetic Chalcone Derivatives Di-Benzyl Cinnamaldehyde and Benzyl 4-Aminochalcone

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Journal of Renewable Materials 2024年第2期12卷 285-304页

作者： Flavia Oliveira Monteiro da Silva Abreu Taysse Holanda Joice Farias do nascimento Henety nascimento Pinheiro Rachel Menezes Castelo Hélcio Silva dos Santos Thais Benincá Patrícia da Silva Malheiros Júlio César Sousa Prado Raquel de Oliveira Fontenelle Maria Madalena de Camargo Forte Natural Polymers Laboratory PPGCNState University of CearáFortaleza60.714.903Brazil Polymeric Materials Laboratory PPGE3MFederal University of Rio Grande do SulPorto Alegre91501-970Brazil Natural Product Chemistry Laboratory PPGCNState University of CearáFortaleza60.714.903Brazil Food Hygiene and Microbiology Laboratory PPGCTAFederal University of Rio Grande do SulPorto Alegre91501-970Brazil Microbiology Laboratory Medicine SchoolFederal University of CearáSobral62010-560Brazil

With the increase in antimicrobial resistance,it has become necessary to explore alternative approaches for combating and preventing ***-cinnamaldehyde(CNM)and Benzyl4-amino(B4AM)are bioactive compounds derived from chalcones but with restricted solubility in aqueous *** can enhance the solubility of compounds and can be a promising alternative in the development of novel antimicrobials,with reduced side effects and prolonged *** objective of this study was to evaluate the stability of oil-in-water nanoemulsions loaded with two distinct types of chalcones at two different dosages,to propose a stable formulation with antimicrobial *** showed that nanoemulsions presented high encapsulation efficiency,low polydispersity index(PDI)and particle size below 200 nm,indicating that emulsification was a suitable method for nanoemulsion *** with higher dosages exhibited significant antimicrobial effects when compared to free chalcones and positive ***,B4AM nanoemulsions at higher dosages showed expressive activity against Salmonella minnesota,with a 420%greater inhibitory response compared to the free form and showing equivalence to the positive *** nanoemulsions showed excellent inhibitory activity at the highest dosage,equivalent to the positive control against *** and Staphylococcus *** greater number of conjugated bonds in CNM increased the antimicrobial activity in comparison with B4AM,and the formation of nanometric domains enhanced the bioavailability,being a promising alternative for antimicrobial applications.

关键词： Polysaccharide nanoemulsions S.aureus S.minnesota chalcones alginate

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History Teacher Training from Decolonial Curriculum Practices to Combat Racism at UniProjeção in the Federal District-A Secondary Publication

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Journal of Contemporary Educational Research 2024年第2期8卷 187-202页

作者： Karoline da Silva Ramos Cláudia Pinheiro nascimento Francisca Carla Santos Ferrer Faculty of Philosophy Languages and Human SciencesUniversity of São PauloSão PauloBrazil

This article aims to understand the training process of history undergraduates,to see if there are decolonial curricular practices to combat racism at the Centro Universitário e Faculdade Projeção(UniProjeção)in the Federal District,to understand how coloniality has corroborated the exclusion of different epistemologies and the erasure of different cultures,and how this exclusionary process of coloniality interferes in the training of history *** order to combat this practice,we are looking for alternatives that can break these suppressions carried out by *** this way,we turn to decolonial ideas that aim to break with the logic of *** can conclude that these practices are poorly developed in the institution,so we proposed active problem-based methodology and music as a didactic *** playful educational tools that strengthen the teaching-learning process,they are active agents in the decolonial work of combating racism,and it is essential to train responsible and ethical teachers in the fight against racism and any form of oppression.

关键词： Coloniality Decoloniality Education Curriculum practices Racism

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Changes in calcium accumulation and utilization efficiency and their impact on recycling,immobilization,and export across the oil palm cycle

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Oil Crop Science 2024年第3期9卷 143-150页

作者： Ismael de Jesus Matos Viégas Luma Castro de Souza Eric Victor de Oliveira Ferreira Milton Garcia Costa Glauco André dos Santos Nogueira Vitor Resende do nascimento Candido Ferreira de Oliveira Neto Capanema Campus Federal Rural University of the Amazon(UFRA)Av.Barao de CapanemaCaixa D'agua5514-6434ParaBrazil Center of Agricultural and Environmental Sciences Federal University of Maranhao(UFMA)ChapadinhaBR-222km 04SNBoa Vista65500000MaranhaoBrazilc Capitao Poço Campus Federal Rural University of the Amazon(UFRA)Tv.Pau AmareloS/n-Vila Nova68650-000Capitao PoçoParaBrazil Department of Soil Science Sao Paulo State University(Unesp)School of Agricultural and Veterinarian SciencesJaboticabalVia de Acesso Prof.Paulo Donato CastelaneCastellane-S/N-Vila Industrial14884-900Sao PauloBrazil Institute of Agricultural Sciences(ICA) Federal Rural University of the Amazon(UFRA)Estr.Principal da Ufra2150Curio-Utinga66077-580BelemParaBrazil

Effective calcium(Ca)management is crucial for optimizing oil palm cultivation and enhancing crop *** study aimed to gain insights into the dynamics of Ca concentration,accumulation,exportation,immobilization,and recycling in various oil palm organs relative to plant *** experiment was conducted at the Agropalma enterprise site in the northeastern region of Para State,Brazil,evaluating seven plant age treatments:2,3,4,5,6,7,and 8 years *** a completely randomized design with four *** results demonstrated an age-related increase in Ca concentration in petioles,rachis,arrows,male inflorescences,peduncles,and ***,Ca accumulation exhibited an upward trend in all organs with progressing plant ***,the study revealed an enhanced Ca use efficiency across all plant organs in correlation with the age of oil palm *** findings underscore the dynamic nutritional demands of oil palm,influencing Ca immobilization,cycling,and export throughout its developmental stages.

关键词： Elaeis guineensis Jacq Ca cycling Ca export Ca immobilization Ca use efficiency Plant nutrition Amazon

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Endodontic irrigants from a comprehensive perspective

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World Journal of Clinical Cases 2024年第21期12卷 4460-4468页

作者： Rayana Duarte Khoury Lara Steffany de Carvalho Mauro Felipe Rios do nascimento Fadi Alhussain AmjadAbu Hasna Department of Restorative Dentistry Endodontics DivisionInstitute of Science and TechnologySão Paulo State UniversitySão Josédos Campos 12245000SPBrazil Department of Biosciences and Oral Diagnosis Institute of Science and TechnologySão Paulo State UniversitySão Josédos Campos 12245000SPBrazil School of Dentistry The National Institute of Higher Education and Postgraduate Studies Padre Gervásio-INAPÓSPouso Alegre 37550-121MGBrazil School of Dentistry Syrian Private UniversityAl Kiswah 877C+P2DamascusSyria School of Dentistry Universidad Espíritu SantoSamborondón 092301Ecuador

This review article explores the fundamental principles of modern endodontics with a focus on root canal cleaning and *** reviews commonly used endodontic irrigant,namely sodium hypochlorite(NaOCl),herbal extracts,chlorhexidine(CHX),and chelating agents,highlighting their properties,applications,and potential ***,a key antimicrobial agent,demonstrates effectiveness against various microorganisms but poses challenges such as high *** extracts,gaining recognition in endodontics,present an alternative with potential advantages in preserving dentin ***,known for its broad-spectrum antimicrobial activity,is discussed in both liquid and gel formulations,emphasizing its role in reducing smear layer formation and preserving hybrid layer *** agents,specifically ethylenediaminetetraacetic acid and citric acid,play a vital role in removing the smear layer,enhancing dentin permeability,and facilitating the penetration of antimicrobial *** review article underscores the importance of careful application and consideration of each irrigant's properties to ensure safe and effective endodontic *** serves as a valuable guide for clinicians in selecting appropriate irrigants based on specific treatment requirements.

关键词： Root canal irrigants Sodium hypochlorite Chlorhexidine Chelating agents Plant extracts

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Localized-states quantum confinement induced by roughness in CdMnTe/CdTe heterostructures grown on Si(111) substrates

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Journal of Semiconductors 2024年第9期 34-42页

作者： Leonarde do nascimento Rodrigues Wesley Fiorio lnoch Marcos L.F.Gomes Odilon D.D.Couto Jr. Bráulio S.Archanjo Sukarno Olavo Ferreira Physics Department Federal University of Vi?osa Instituto de Física Gleb Wataghin Universidade Estadual de Campinas National Institute of Metrology Quality and Technology (Inmetro) Materials Metrology Division (DIMAT)

This work shows that despite a lattice mismatch of almost 20%, CdMnTe/CdTe/CdMnTe heterostructures grown directly on Si(111) have surprisingly good optical emission properties. The investigated structures were grown by molecular beam epitaxy and characterized by scanning transmission electron microscopy, macro-and micro-photoluminescence. Low temperature macro-photoluminescence experiments indicate three emission bands which depend on the CdTe layer thickness and have different confinement characteristics. Temperature measurements reveal that the lower energy emission band (at 1.48 eV)is associated to defects and bound exciton states, while the main emission at 1.61 eV has a weak 2D character and the higher energy one at 1.71 eV has a well-defined (zero-dimensional, 0D) 0D nature. Micro-photoluminescence measurements show the existence of sharp and strongly circularly polarized (up to 40%) emission lines which can be related to the presence of Mn in the heterostructure. This result opens the possibility of producing photon sources with the typical spin control of the diluted magnetic semiconductors using the low-cost silicon technology.

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On the Singular Effects in the Relativistic Landau Levels in Graphene with a Disclination

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Communications in Theoretical Physics 2018年第12期69卷 817-822页

作者： Rosinildo F.do nascimento diego Cogollo Edilberto O.Silva Moisés Rojas Cleverson Filgueiras Instituto de Fisica Universidade Federal de UberlandiaUberlandiaMGBrasil Unidade Academica de Fisica Universidade Federal de Campina GrandePOB 1007158109-970Campina Grande-PB Brazil Departamento de Fisica Universidade Federal do Maranhao65085-580Sao Luis-MABrazil Departamento de Fisica Universidade Federal de LavrasCaixa Postal 303737200-000Lavras-MGBrazil

The effect of a pseudo Aharonov-Bohm(AB) magnetic field generated by a disclination on a two-dimensional electron gas in graphene is addressed in the continuum limit within the geometric approach. The influence of the coupling between the spinor fields and the singular conical curvature is investigated, which shows that singularities have pronounced impact in the Hall conductivity. Moreover, the degeneracy related to the Dirac valleys is broken for negative values of the angular momentum quantum numbers, ?, including ? ≡ 0. In this case, a Hall plateau develops at the null filling factor. Obtaining the Hall conductivity by summing over the positive and the negative ?′s, the null Landau level is recovered and the plateau at the null filling factor disappears. In any case, the standard plateaus, which are seen in a flat graphene are not obtained with these curvature and singular effects.

关键词： Landau Levels Hall conductivity Graphene Elastic deformations

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