A Method to Identify and Analyze Biological Programs through Automated Reasoning.

Predictive biology is elusive because rigorous, data-constrained, mechanistic models of complex biological systems are difficult to derive and validate. Current approaches tend to construct and examine static interaction network models, which are descriptively rich but often lack explanatory and predictive power, or dynamic models that can be simulated to reproduce known behavior. However, in such approaches implicit assumptions are introduced as typically only one mechanism is considered, and exhaustively investigating all scenarios is impractical using simulation. To address these limitations, we present a methodology based on automated formal reasoning, which permits the synthesis and analysis of the complete set of logical models consistent with experimental observations. We test hypotheses against all candidate models, and remove the need for simulation by characterizing and simultaneously analyzing all mechanistic explanations of observed behavior. Our methodology transforms knowledge of complex biological processes from sets of possible interactions and experimental observations to precise, predictive biological programs governing cell function

LAPACK-Based Software for Subspace Identification

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Dynamic spin-lattice coupling and nematic fluctuations in NaFeAs

We use inelastic neutron scattering to study acoustic phonons and spin excitations in single crystals of NaFeAs, a parent compound of iron pnictide superconductors. NaFeAs exhibits a tetragonal-to-orthorhombic structural transition at $T_s\approx 58$ K and a collinear antiferromagnetic (AF) order at $T_N\approx 45$ K. While longitudinal and out-of-plane transverse acoustic phonons behave as expected, the in-plane transverse acoustic phonons reveal considerable softening on cooling to $T_s$, and then harden on approaching $T_N$ before saturating below $T_N$. In addition, we find that spin-spin correlation lengths of low-energy magnetic excitations within the FeAs layer and along the $c$-axis increase dramatically below $T_s$, and show weak anomaly across $T_N$. These results suggest that the electronic nematic phase present in the paramagnetic tetragonal phase is closely associated with dynamic spin-lattice coupling, possibly arising from the one-phonon-two-magnon mechanism

Circular Economy in the Water and Wastewater Sector: Possibilities for the local production and sale of biogas and biochar to finance municipal treatment plant's operation and maintenance costs and enhance sustainability

This thesis aims to investigate the possibility of optimizing the sludge treatment process in a municipal wastewater treatment plant to produce biogas and biochar from bioresidues. The objective is to maximize the sales of these products to finance the operating and maintenance costs of the treatment plant or reduce the energy bill. The study involves a detailed review of literature and interviews to identify the best practices in sludge treatment and the potential for biogas and biochar production. Furthermore, the thesis considers the economic and environmental benefits of producing biogas and biochar, including their potential as renewable energy sources and soil amendments. The study also evaluates the feasibility of locally using the produced biogas and biochar, including the availability of local markets and the infrastructure required for transportation and distribution. Ultimately, this document provides a comprehensive picture of sludge as an important resource from a municipal water and wastewater treatment plant in terms of sustainability and economic viabilityThis thesis aims to investigate the possibility of optimizing the sludge treatment process in a municipal wastewater treatment plant to produce biogas and biochar from bioresidues. The objective is to maximize the sales of these products to finance the operating and maintenance costs of the treatment plant or reduce the energy bill. The study involves a detailed review of literature and interviews to identify the best practices in sludge treatment and the potential for biogas and biochar production. Furthermore, the thesis considers the economic and environmental benefits of producing biogas and biochar, including their potential as renewable energy sources and soil amendments. The study also evaluates the feasibility of locally using the produced biogas and biochar, including the availability of local markets and the infrastructure required for transportation and distribution. Ultimately, this document provides a comprehensive picture of sludge as an important resource from a municipal water and wastewater treatment plant in terms of sustainability and economic viabilit

Pneumocéfalo Espontâneo Hipertensivo

info:eu-repo/semantics/publishedVersio