Facultad de Ingeniería - CampAGS

City
Aguascalientes
Country
MX
Director
Claudia Nallely Sánchez Gómez
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    Effects of sourdough and yeast fermented breads consumption on glycaemia in healthy populations: a systematic review
    (Frontiers Media SA, 2026-08-04)
    Starowicz, Malgorzata
    ;
    Domínguez-Soberanes, Julieta  
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    Garcia-Gutierrez, Enriqueta
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    Arslan-Tontul, Sultan
    ;
    Burton-Pimentel, Kathryn J.
    Bread is a vital source of energy and is widely consumed in human diets. As a carbohydrate-rich food, it is often considered to impair glycaemic homeostasis; however, clinical and molecular evidence suggest that its effects may vary depending on the characteristics of bread consumed. In particular, sourdough-fermented bread has been proposed to exert potentially beneficial effects on glycaemia via shifts in metabolites in the food matrix, as well as chemical and physical changes that occur during fermentation. However, evidence from human interventional studies on this topic is inconsistent due to differing experimental designs, heterogeneous populations, or a focus on sourdough fermentation that does not consider the effects of yeast fermentation. Our objective was to evaluate the evidence for a positive effect of fermented bread consumption on glycaemia and insulinaemia in healthy adults. To this end, we conducted a systematic review to identify and analyze relevant human studies, complemented by a characterization of the breads investigated and a discussion of possible mechanisms of action, following the EFSA dossier framework. We identified 27 studies that met our inclusion criteria. Taking into account the risk of bias in these studies, the consistency of the reported effects, and the biological plausibility based on food characteristics and potential mechanisms of action, we conclude that the available evidence for a beneficial effect of sourdough compared to yeast-fermented bread on glycaemic and insulinaemic homeostasis in healthy individuals is neither sufficient nor convincing. For the general effect of fermentation on glycaemic and insulinaemic homeostasis in healthy individuals, evidence is considered very low. Copyright © 2026 Starowicz, Domínguez-Soberanes, Garcia-Gutierrez, Arslan-Tontul, Burton-Pimentel, Vidović, Moreno-Indias, Karagöz, Prvulović, Simeunovic, Ruiz-Limón, Gutiérrez-Repiso, Pajalic, Yerlikaya, Esatbeyoglu, Yilmaz, Mantzouridou, Chassard, Pracer, Vergères and Louis.
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    Introduction
    (Springer Science and Business Media Deutschland GmbH, 2026)
    Velázquez, Ramiro  
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    Pissaloux, Edwidge
      8
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      13
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    Performance Comparison of Multi-Objective Optimizers for Dynamic Balancing of Six-Bar Watt Linkages Using a Fully Cartesian Model
    (MDPI AG, 2025-07-04)
    Orvañanos-Guerrero, María T.  
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    Sánchez-Gómez, Claudia  
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    Robles Jiménez Luis Eduardo
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    Sara Carolina Gómez-Delgado
    <jats:p>Balancing mechanisms require the minimization of both the Shaking Moment (ShM) and Shaking Force (ShF), a complex multi-criteria challenge often tackled using single-objective algorithms. However, these methods face difficulties in navigating competing objectives. In contrast, multi-objective algorithms provide a more efficient and adaptable framework, while Fully Cartesian Coordinates (FCC) simplify the balancing equations compared to conventional Cartesian formulations. This study focuses on optimizing the dynamic balance of a six-bar Watt linkage using FCC. A wide set of optimization methods is analyzed and compared, and among them, the S-Metric Selection Evolutionary Multi-objective Optimization Algorithm (SMS-EMOA) demonstrates superior performance. This algorithm achieves the most significant hypervolume value in only 10.44 min of execution. The results indicate that multi-objective algorithms outperform single-objective approaches, offering faster and more diverse optimization solutions. Additionally, this study introduces an analytical method that enables the straightforward identification of removable counterweights, achieving an equally effective balance while minimizing the number of counterweights required.</jats:p>
      9
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    Fear and the behaviour of virtual flocking animals
    (2007-01-01)
    Delgado-Mata, Carlos
    ;
    Aylett, Ruth S.
      1  10Scopus© Citations 1
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      15Scopus© Citations 2
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      24
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    Optical Energy Increasing in a Synchronized Motif-Ring Array of Autonomous Erbium-Doped Fiber Lasers
    (2024)
    José Octavio Esqueda de la Torre
    ;
    Juan Hugo García-López
    ;
    Rider Jaimes-Reátegui
    ;
    José Luis Echenausía-Monroy
    ;
    Eric Emiliano López-Muñoz
    <jats:p>This work investigates the enhancement of optical energy in the synchronized dynamics of three erbium-doped fiber lasers (EDFLs) that are diffusively coupled in a unidirectional ring configuration without the need for external pump modulation. Before the system shows stable high-energy pulses, different dynamic behaviors can be observed in the dynamics of the coupled lasers. The evolution of the studied system was analyzed using different techniques for different values of coupling strength. The system shows the well-known dynamic behavior towards chaos at weak coupling, starting with a fixed point at low coupling and passing through Hopf and torus bifurcations as the coupling strength increases. An interesting finding emerged at high coupling strengths, where phase locking occurs between the frequencies of the three lasers of the system. This phase-locking leads to a significant increase in the peak energy of the EDFL pulses, effectively converting the emission into short, high amplitude pulses. With this method, it is possible to significantly increase the peak energy of the laser compared to a continuous EDFL single pulse.</jats:p>
      10Scopus© Citations 1
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    Power Converter Design for Pulsed Electric Field-Based Milk Processing: A Proof of Concept
    (MDPI AG, 2025-06-21)
    Domínguez-Soberanes, Julieta  
    ;
    Ruiz-Martinez, O.F.  
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    Davalos Hernandez, Fernando  
    <jats:p>The microbiological safety of milk can be ensured through heat processing; however, this method has a negative effect on the sensory profile of this food product. Emerging technologies could be used as an alternative process for guaranteeing innocuity and maintaining sensory changes. An alternative is to evaluate pulsed electric field (PEF) electroporation, which is a method of processing cells using short pulses of a strong electric field. PEF has the potential to be a type of alternative low-temperature pasteurization process that consists of high-frequency voltage pulsations. Specifically, the presented work is a proof of concept for the design of a converter capable of generating a PEF to feed a load that meets the impedance characteristics of milk. The proposed converter is simulated using PLECS software (4.9.6 version) under impedance change scenarios that emulate variations in milk throughout the entire process. This research proposes the modification of a classic Vienna rectifier (adding an MBC—Multilevel Boost Converter structure) to supply a pulsating signal that could be used for low-temperature processes of milk to guarantee proper pasteurization. The characteristics of the generated high-voltage pulse make it feasible to quickly process the real sample. The control law design considers a regulation loop to achieve a voltage in the range of kV and a switching-type control law that activates switches in MMC arrays. These switches are activated randomly to avoid transients that cause significant stress on them.</jats:p>
      8