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Evaluating Chat GPT-4o’s Comparative Performance Over GPT-4 in Japanese Medical Licensing Examination and Its Clinical Partnership Potential
Masatoshi Miyamura
,Goro Fujiki
,Yumiko Kanzaki
,Kosuke Tsuda
,Hironaka Asano
,Masaaki Hoshiga
,Hideaki Morita
Posted: 07 December 2025
A Mathematically Consistent Paradigm for Nature Self-Variation Theory
Emmanuil Manousos
Posted: 07 December 2025
Adiposity and Muscularity Evaluation using New Objective Morphological Methods Available in Clinical Veterinary Practice: Feline Body Mass Index and Ultrasonography
Eiji Iwazaki
,Akihiro Mori
Posted: 07 December 2025
Remote Laboratory Based on FPGA Devices Using the e-Learning Approach
Victor Hugo Garcia Ortega
,Josefina Barcenas Lopez
,Enrique Ruiz-Velasco Sanchez
Posted: 07 December 2025
Updating the Endemicity Map of Soil-Transmitted Helminthiasis in Ten Local Government Areas of Ondo State, Southwestern Nigeria
Uwem Friday Ekpo
,Solomon Monday Jacob
,Hammed Mogaji
,Francisca Olamiju
,Fajana Oyinlola
,Ijeoma Achu
,Olanike O. Oladipupo
,Alice Y. Kehinde
,Imaobong O Umah
,Fatai Oyediran
+2 authors
Posted: 07 December 2025
Formally and Empirically Verified Methodologies for Scalable Hierarchical Full-Stack Systems
Dong Liu
Posted: 07 December 2025
A Unified Proof of the Extended, Generalized, and Grand Riemann Hypothesis
Weicun Zhang
Posted: 05 December 2025
Risk Assessment of Chemical Mixtures in Foods: A Comprehensive Methodological and Regulatory Review
Rosana González Combarros
,Mariano González-García
,Gerardo David Blanco-Díaz
,Kharla Segovia-Bravo
,José Luis Reino Moya
,José Ignacio López-Sánchez
Over the last 15 years, mixture risk assessment for food xenobiotics has evolved from conceptual discussions and simple screening tools, such as the Hazard Index (HI), towards operational, component-based and probabilistic frameworks embedded in major food-safety institutions. This review synthesizes methodological and regulatory advances in cumulative risk assessment for dietary “cocktails” of pesticides, contaminants and other xenobiotics, with a specific focus on food-relevant exposure scenarios. At the toxicological level, the field is now anchored in concentration/dose addition as the default model for similarly acting chemicals, supported by extensive experimental evidence that most environmental mixtures behave approximately dose-additively at low effect levels. Building on this paradigm, a portfolio of quantitative metrics has been developed to operationalize component-based mixture assessment: HI as a conservative screening anchor; Relative Potency Factors (RPF) and Toxic Equivalents (TEQ) to express doses within cumulative assessment groups; the Maximum Cumulative Ratio (MCR) to diagnose whether risk is dominated by one or several components; and the combined Margin of Exposure (MOET) as a point-of-departure–based integrator that avoids compounding uncertainty factors. Regulatory frameworks developed by EFSA, the U.S. EPA and FAO/WHO converge on tiered assessment schemes, biologically informed grouping of chemicals and dose addition as the default model for similarly acting substances, while differing in scope, data infrastructure and legal embedding. Implementation in food safety critically depends on robust exposure data streams. Total Diet Studies provide population-level, “as eaten” exposure estimates through harmonized food-list construction, home-style preparation and composite sampling, and are increasingly combined with conventional monitoring. In parallel, human biomonitoring quantifies internal exposure to diet-related xenobiotics such as PFAS, phthalates, bisphenols and mycotoxins, embedding mixture assessment within a dietary-exposome perspective. Across these developments, structured uncertainty analysis and decision-oriented communication have become indispensable. By integrating advances in toxicology, exposure science and regulatory practice, this review outlines a coherent, tiered and uncertainty-aware framework for assessing real-world dietary mixtures of xenobiotics, and identifies priorities for future work, including mechanistically and data-driven grouping strategies, expanded use of physiologically based pharmacokinetic modelling and refined mixture-sensitive indicators to support public-health decision-making.
Over the last 15 years, mixture risk assessment for food xenobiotics has evolved from conceptual discussions and simple screening tools, such as the Hazard Index (HI), towards operational, component-based and probabilistic frameworks embedded in major food-safety institutions. This review synthesizes methodological and regulatory advances in cumulative risk assessment for dietary “cocktails” of pesticides, contaminants and other xenobiotics, with a specific focus on food-relevant exposure scenarios. At the toxicological level, the field is now anchored in concentration/dose addition as the default model for similarly acting chemicals, supported by extensive experimental evidence that most environmental mixtures behave approximately dose-additively at low effect levels. Building on this paradigm, a portfolio of quantitative metrics has been developed to operationalize component-based mixture assessment: HI as a conservative screening anchor; Relative Potency Factors (RPF) and Toxic Equivalents (TEQ) to express doses within cumulative assessment groups; the Maximum Cumulative Ratio (MCR) to diagnose whether risk is dominated by one or several components; and the combined Margin of Exposure (MOET) as a point-of-departure–based integrator that avoids compounding uncertainty factors. Regulatory frameworks developed by EFSA, the U.S. EPA and FAO/WHO converge on tiered assessment schemes, biologically informed grouping of chemicals and dose addition as the default model for similarly acting substances, while differing in scope, data infrastructure and legal embedding. Implementation in food safety critically depends on robust exposure data streams. Total Diet Studies provide population-level, “as eaten” exposure estimates through harmonized food-list construction, home-style preparation and composite sampling, and are increasingly combined with conventional monitoring. In parallel, human biomonitoring quantifies internal exposure to diet-related xenobiotics such as PFAS, phthalates, bisphenols and mycotoxins, embedding mixture assessment within a dietary-exposome perspective. Across these developments, structured uncertainty analysis and decision-oriented communication have become indispensable. By integrating advances in toxicology, exposure science and regulatory practice, this review outlines a coherent, tiered and uncertainty-aware framework for assessing real-world dietary mixtures of xenobiotics, and identifies priorities for future work, including mechanistically and data-driven grouping strategies, expanded use of physiologically based pharmacokinetic modelling and refined mixture-sensitive indicators to support public-health decision-making.
Posted: 05 December 2025
Integrating Frequency-Spatial Features for Energy-Efficient OPGW Target Recognition in UAV-Assisted Mobile Monitoring
Lin Huang
,Xubin Ren
,Daiming Qu
,Lanhua Li
,Jing Xu
Posted: 05 December 2025
A Heat Budget of the Mar Menor Lagoon, Spain
Carl L. Amos
,Hachem Kassem
,Victoriano Martinez-Alvarez
,Thamer Al Rashidi
Posted: 05 December 2025
Profit-Aware EV Utilisation Model in a Sustainable Smart City: A Joint Optimisation over EV System, Urban Power Grid System and City’s Road Grid System
Shitikantha Dash
,Dikshit Chauhan
,Dipti Srinivasan
Posted: 05 December 2025
Metal Additive Manufacturing Defect Formation and Mitigation: Shrinkage Dynamics, Porosity Control, In-Situ Monitoring, and Post-Processing Strategies
Aswin Karakadakattil
Posted: 05 December 2025
Ramsey Approach to Hamiltonian Mechanics
Edward Bormashenko
,Shraga Shoval
,Ramita Sarkar
We introduce a new combinatorial framework for classical mechanics - the Ramsey -Hamiltonian approach - which interprets Poisson-bracket relations through the lens of finite and infinite Ramsey theory. Classical Hamiltonian mechanics is built upon the algebraic structure of Poisson brackets, which encode dynamical couplings, symmetries, and conservation laws. We reinterpret this structure as a bi-colored complete graph, whose vertices represent phase-space observables and whose edges are colored gold or silver according to whether the corresponding Poisson bracket vanishes or not. Because Poisson brackets are invariant under canonical transformations (including their centrally extended Galilean form), the induced graph coloring is itself a canonical invariant. Applying Ramsey theory to this graph yields a universal structural result: any six observables necessarily form at least one monochromatic triangle, independent of the Hamiltonian’s specific form. Gold triangles correspond to mutually commuting (Liouville-compatible) observables that generate Abelian symmetry subalgebras, whereas silver triangles correspond to fully interacting triplets of dynamical quantities. When the Hamiltonian is included as a vertex, the resulting Hamilton–Poisson graphs provide a direct graphical interpretation of Noether symmetries, cyclic coordinates, and conserved quantities through star-like subgraphs centered on the Hamiltonian. We further extend the framework to Hamiltonian systems with countably infinite degrees of freedom - such as vibrating strings or field-theoretic systems - where the infinite Ramsey theorem guarantees the existence of infinite monochromatic cliques of observables. Finally, we introduce Shannon-type entropy measures to quantify structural order in Hamilton–Poisson graphs through the distribution of monochromatic polygons. The Ramsey–Hamiltonian approach offers a novel, symmetry-preserving, and fully combinatorial reinterpretation of classical mechanics, revealing universal dynamical patterns that must occur in every Hamiltonian system regardless of its detailed structure.
We introduce a new combinatorial framework for classical mechanics - the Ramsey -Hamiltonian approach - which interprets Poisson-bracket relations through the lens of finite and infinite Ramsey theory. Classical Hamiltonian mechanics is built upon the algebraic structure of Poisson brackets, which encode dynamical couplings, symmetries, and conservation laws. We reinterpret this structure as a bi-colored complete graph, whose vertices represent phase-space observables and whose edges are colored gold or silver according to whether the corresponding Poisson bracket vanishes or not. Because Poisson brackets are invariant under canonical transformations (including their centrally extended Galilean form), the induced graph coloring is itself a canonical invariant. Applying Ramsey theory to this graph yields a universal structural result: any six observables necessarily form at least one monochromatic triangle, independent of the Hamiltonian’s specific form. Gold triangles correspond to mutually commuting (Liouville-compatible) observables that generate Abelian symmetry subalgebras, whereas silver triangles correspond to fully interacting triplets of dynamical quantities. When the Hamiltonian is included as a vertex, the resulting Hamilton–Poisson graphs provide a direct graphical interpretation of Noether symmetries, cyclic coordinates, and conserved quantities through star-like subgraphs centered on the Hamiltonian. We further extend the framework to Hamiltonian systems with countably infinite degrees of freedom - such as vibrating strings or field-theoretic systems - where the infinite Ramsey theorem guarantees the existence of infinite monochromatic cliques of observables. Finally, we introduce Shannon-type entropy measures to quantify structural order in Hamilton–Poisson graphs through the distribution of monochromatic polygons. The Ramsey–Hamiltonian approach offers a novel, symmetry-preserving, and fully combinatorial reinterpretation of classical mechanics, revealing universal dynamical patterns that must occur in every Hamiltonian system regardless of its detailed structure.
Posted: 05 December 2025
An Unobserved Informational Reservoir: A Hypothesis for the Stability and Functional Directionality of Living Systems
Pavel Straňák
Posted: 05 December 2025
Antioxidant and Erythroprotective Effects of C-Phycocyanin from the Cyanobacterium Spirulina sp. in Attenuating Oxidative Stress Induced by Peroxyl Radicals
Cinthia Jael Gaxiola-Calvo
,Diana Fimbres-Olivarría
,Ricardo Iván González-Vega
,Yaeel Isbeth Cornejo-Ramírez
,Ariadna Thalía Bernal-Mercado
,Saul Ruiz-Cruz
,José de Jesús Ornelas-Paz
,Miguel Ángel Robles-García
,José Rogelio Ramos-Enríquez
,Carmen Lizette Del-Toro-Sánchez
Posted: 05 December 2025
Dosing Schedules for Dextromethorphan and Piracetam in OCD: A Case Series on Diurnal Symptom Patterns and Split-Dosing Strategies
Ngo Cheung
Posted: 05 December 2025
Clean-Label and Food-Grade Preparation of Nutraceutical Nanoparticles Using Facilitated Self-Assembling Technology (FAST) for Functional Beverages
Jingwen Cai
,Caroline Dudish
,Amani Mouna
,Angelena Jacob
,Wesley James
,Douglas Dickinson
,Hongfang Yu
,Yutao Liu
,Ashish K Sarker
,Mustafa Culha
+3 authors
Posted: 05 December 2025
Advancing String Theory with 4G Model of Final Unification
Satya Seshavatharam U.V
,Lakshminarayana S
,Gunavardhana Naidu T
Posted: 05 December 2025
Analysis of Telegraph Equation for Propagating Waves with Dispersion and Attenuation
Hyoung-In Lee
,Sang-Hyeon Kim
,Tae-Yeon Kim
,Hee-Jeong Moon
Posted: 05 December 2025
Combined Physical and Computational Simulation of the Moiré Effect in 3D Objects and Displays
Vladimir Saveljev
Posted: 05 December 2025
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