Universidade Federal Fluminense

Laplacian Ranking ( LaRa ): A Convex Graph‐Regularized Model for Multi‐Criteria Ranking

ABSTRACT Laplacian Ranking (LaRa) is a graph‐regularized multi‐criteria decision analysis method that incorporates relational geometry among alternatives into ranking while preserving convexity, interpretability and deterministic reproducibility. LaRa combines quantile normalizat...

Analyzing the global project of Education for Sustainable Development through a Marxist lens: dialogues with the book Education for Sustainable Development in an Unequal World

In this article, I engage with the findings of the book, Education for Sustainable Development in an Unequal World: Biopolitics, Differentiation and Affirmative Alternatives, to argue that Marx’s method, historical-dialectical materialism, is essential to studying the global proj...

Comparative Biomechanical Evaluation of SDS and Nobel Ceramic Dental Implant Systems in Type II Artificial Bone: An In Vitro Study

Ceramic dental implants have been proposed as metal-free alternatives to titanium implants. This in vitro study compared the biomechanical measurements and drilling-related surface temperatures of two commercial ceramic implant systems with different dimensions and drilling proto...

Between Borderisation and Multi/Transterritoriality: Dilemmas of Decolonising Territory in Abya Yala/Afro/Latin America

ABSTRACT This article addresses the issue of territory in Abya Yala/Afro/Latin America from a decolonial perspective and through the links and contradictions between the processes we call borderisation and multi or trans‐territorialisation, emphasising, in this case, the multipli...

The Geographies of Latin American Social Movements Are More Than Just Territories in Resistance

ABSTRACT This article analyses social activism in Latin America in the light of its recent transformations, with an emphasis on the interactions between movements and political institutions. Based on a critical review of geographical literature, the authors argue that although th...

Geography in the World Part 4: Towards Latin American Dialogues

ABSTRACT This fourth instalment of Geography in the World (GitW) aims to deepen engagement with geographical knowledge produced outside the Anglophone core—specifically, in Latin America—while reflecting on the practical challenges involved in doing so. The themed intervention co...

Microplastics as Ecological Filters Across Food Systems: From Microbial Selection and Antimicrobial Resistance to Human Health Risks and Mechanisms

Microplastics are increasingly detected throughout food-production systems, from agricultural soils and irrigation waters to aquaculture environments, food-processing facilities, and final food products. Beyond their role as contaminants and microbial carriers, plastic particles...

The Weak Visible n → π* Transition of CF3NO: Vertical Accuracy versus Spectral Agreement

Abstract Trifluoronitrosomethane (CF3NO), one of the few relatively stable blue gases, owes its color to a weak, structured n → π* absorption near 690 nm. Its small size suggests a straightforward benchmark, yet vertical excited-state methods place this transition very differentl...

Repurposing the Insecticide Flufenerim, the Only Anti- Cryptococcus Compound Identified in the MMV Global Health Priority Box, as a Candidate for the Environmental Control of the Cryptococcosis Agents

Abstract Cryptococcus neoformans and Cryptococcus gattii are environmental fungi that cause cryptococcosis, a severe, life-threatening infection, particularly in immunocompromised individuals. Current treatments are limited by toxicity, restricted availability, and the emergence...

Scaling of Island Densities in Multilayer Growth and an Application to α-Sexithiophene Films

Abstract Kinetic Monte Carlo simulations of thin-film deposition are performed with film–substrate interactions slightly stronger than film–film interactions and with layer-dependent Ehrlich–Schwoebel (ES) barriers for molecules to cross step edges. Simulations with rapid changes...

Micrographic Evaluation of Water-in-Oil Emulsion Stability up to Critical Electric Field

Abstract Electrostatic demulsification is widely applied in the petroleum industry for the separation of water-in-oil emulsions; however, the relationship between microscopic droplet dynamics and the macroscopic electrical response remains insufficiently understood, particularly...

Evaluating zinc bioavailability in dredged sediments of Guanabara bay (BRAZIL): implications for coastal management standards

Abstract Guanabara Bay (GB) is an environment contaminated by metals, and it is the bay that receives the most dredging in Brazil and South America. Previous studies have shown the impact of dredging on planktonic and benthic species, which were not correctly measured by the Braz...

Electroretinographic assessment of retinal function in preterm infants using the RETeval™ device: a proposal for reference data

Abstract Purpose To establish age-adjusted flicker ERG reference values in premature infants through serial recordings, aiming to characterize retinal functional maturation and support diagnostic interpretation in retinopathy of prematurity screening. Methods This prospective lon...

Bioactivity and nutritional profiling of underexplored unconventional food plants with potential for applications as functional foods

Abstract This study evaluated the bioactive and nutritional properties of six Amazonian unconventional food plants: Piper peltatum , Mansoa alliacea , Leuenbergeria bleo , Bidens bipinnata , Costus spiralis , and Urera caracasana . The phenolic compounds were identified and quant...

Dyonic rotating cosmological black hole surrounded by quintessence

Abstract In this work, we constructed a new metric describing a rotating cosmological black hole with electric and magnetic charges in the presence of quintessence dark energy, where the cosmological constant and quintessence are associated with external matter. Starting from a Ç...

Evaluation of sulfide stress corrosion cracking resistance of supermartensitic stainless steel UNS S41426: comparison between forged and hot rolled tube

Purpose This research aims to evaluate how manufacturing processes influence stress-corrosion cracking in two supermartensitic stainless steels (SMSSs) classified as UNS S41426. The samples were manufactured by forging and hot rolling process. Design/methodology/approach The micr...

Multifractal assessment of hydroclimatic variability in Midwest Brazil using the hydroclimatic balance index (HBI): a comparison with the standardized precipitation index (SPI)

Abstract This study investigates the multifractal characteristics of hydroclimatic variability in the capital cities of Midwest Brazil using monthly precipitation (ppt) and actual evapotranspiration (aet) data from the TerraClimate dataset (1958–2024). A 12-month standardized hyd...

Exact solution of the Klein–Gordon equation in a Kiselev black hole background

Abstract In this work, we investigate exactly the dynamics of a relativistic spinless particle influenced by a static and uncharged black hole surrounded by a quintessence-like anisotropic fluid or Kiselev black hole. Considering two quintessence-like models as examples, we calcu...

Mercury in Fish from Guanabara Bay, Southeast Brazil: Tissue-Specific Accumulation and Human Health Risks

Abstract Guanabara Bay is Brazil’s second-largest bay and has a long history of intense industrial and domestic pollution. Some local communities rely on fish as a primary protein source, justifying an assessment of mercury (Hg) contamination. This study determined total mercury...

Mapping ESG evolution in Brazilian ports: A text-mining approach to sustainability reporting

The alignment of port sustainability governance with international maritime policy frameworks requires ports to move beyond compliance-oriented reporting towards substantive climate performance disclosure. This study investigates the evolution of ESG disclosures in Brazilian port...