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    Multi-Objective Optimization Tuning Framework for Kinetic Parameter Selection and Estimation

    Semi-mechanistic kinetic (i.e., dynamic) models based on first principles are particularly relevant in biology, as they can explain and predict functional behavior that arises from varying concentrations of th...

    Yadira Boada, Jesús Picó, Alejandro Vignoni in Computational Methods for Estimating the K… (2022)

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    Stochastic Differential Equations for Practical Simulation of Gene Circuits

    The Chemical Langevin Equation approach allows simple stochastic simulation of gene circuits under many practical situations where the number of molecules of the species involved is not extremely low. Here, we...

    Jesús Picó, Alejandro Vignoni, Yadira Boada in Synthetic Gene Circuits (2021)

  3. Article

    Open Access

    Flux-dependent graphs for metabolic networks

    Cells adapt their metabolic fluxes in response to changes in the environment. We present a framework for the systematic construction of flux-based graphs derived from organism-wide metabolic networks. Our grap...

    Mariano Beguerisse-Díaz, Gabriel Bosque in npj Systems Biology and Applications (2018)

  4. Article

    Open Access

    PFA toolbox: a MATLAB tool for Metabolic Flux Analysis

    Metabolic Flux Analysis (MFA) is a methodology that has been successfully applied to estimate metabolic fluxes in living cells. However, traditional frameworks based on this approach have some limitations, par...

    Yeimy Morales, Gabriel Bosque, Josep Vehí, Jesús Picó in BMC Systems Biology (2016)

  5. Article

    Open Access

    Multi-objective optimization framework to obtain model-based guidelines for tuning biological synthetic devices: an adaptive network case

    Model based design plays a fundamental role in synthetic biology. Exploiting modularity, i.e. using biological parts and interconnecting them to build new and more complex biological circuits is one of the key...

    Yadira Boada, Gilberto Reynoso-Meza, Jesús Picó, Alejandro Vignoni in BMC Systems Biology (2016)

  6. Article

    Open Access

    Validation of an FBA model for Pichia pastoris in chemostat cultures

    Constraint-based metabolic models and flux balance analysis (FBA) have been extensively used in the last years to investigate the behavior of cells and also as basis for different industrial applications. In this...

    Yeimy Morales, Marta Tortajada, Jesús Picó, Josep Vehí in BMC Systems Biology (2014)

  7. Article

    Open Access

    Topology analysis and visualization of Potyvirus protein-protein interaction network

    One of the central interests of Virology is the identification of host factors that contribute to virus infection. Despite tremendous efforts, the list of factors identified remains limited. With omics techniq...

    Gabriel Bosque, Abel Folch-Fortuny, Jesús Picó, Alberto Ferrer in BMC Systems Biology (2014)

  8. No Access

    Article

    Reaction rate reconstruction from biomass concentration measurement in bioreactors using modified second-order sliding mode algorithms

    This paper deals with the estimation of unknown signals in bioreactors using sliding observers. Particular attention is drawn to estimate the specific growth rate of microorganisms from measurement of biomass ...

    Hernán De Battista, Jesús Picó, Fabricio Garelli in Bioprocess and Biosystems Engineering (2012)

  9. Article

    Open Access

    Validation of a constraint-based model of Pichia pastoris metabolism under data scarcity

    Constraint-based models enable structured cellular representations in which intracellular kinetics are circumvented. These models, combined with experimental data, are useful analytical tools to estimate the s...

    Marta Tortajada, Francisco Llaneras, Jesús Picó in BMC Systems Biology (2010)

  10. Article

    Open Access

    A possibilistic framework for constraint-based metabolic flux analysis

    Constraint-based models allow the calculation of the metabolic flux states that can be exhibited by cells, standing out as a powerful analytical tool, but they do not determine which of these are likely to be ...

    Francisco Llaneras, Antonio Sala, Jesús Picó in BMC Systems Biology (2009)

  11. Article

    Open Access

    A procedure for the estimation over time of metabolic fluxes in scenarios where measurements are uncertain and/or insufficient

    An indirect approach is usually used to estimate the metabolic fluxes of an organism: couple the available measurements with known biological constraints (e.g. stoichiometry). Typically this estimation is done...

    Francisco Llaneras, Jesús Picó in BMC Bioinformatics (2007)

  12. No Access

    Article

    Application of Functional Intervals to the Response Evaluation of Linear Time-Invariant Systems with Fuzzy Input

    Functional input uncertainty is investigated for linear time-invariant (LTI) systems. This kind of uncertainty arises, for instance, when actuator's reliability is taken into account. In this case, the system ...

    Jorge Bondia, Jesús Picó in Reliable Computing (2004)

  13. No Access

    Chapter

    System Identification. Performance and Closed-loop Issues

    Many of the most fruitful control design methods lie in the availability of a process model. Obtaining this model becomes, in many practical, cases a non-trivial task. Physical insight into the process may pro...

    Jesús Picó, Miguel Martínez in Iterative Identification and Control (2002)