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Linear - Europe PMC

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Last Updated: 22 September 2022

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Effect of fat on non-linear rheological behavior of processed cheese spreads using coupled amplitude-frequency sweeps, Fourier Transform-Chebyshev polynomials method, sequence of physical processes, and quantitative network analysis

Using four different techniques, the nonlinear rheological behavior of high and low-fat cheese spreads was investigated at strains ranging from 0 to 100 percent. In the linear viscoelastic zone, the first procedure used frequency sweeps at selected strains where the strain sweep was stopped, but a frequency sweep was carried out immediately. During the oscillation cycle, the third method used SPP to produce Cole-Cole plots to determine elastic and viscous transient modulation. Gu2019 and G201d were higher at small strain amplitudes, but high-fat samples decayed faster at higher strains.

Source link: https://europepmc.org/article/MED/IND607826138


Identification of three conserved linear B cell epitopes on the SARS-CoV-2 spike protein.

Spike glycoprotein is the most important structural protein of SARS-CoV-2 and a key target for neutralizing antibodies. In the current study, NTD, RBD, and S2 genes were introduced into the pcDNA3. 1 vector and developed with a N-terminal 6u00d7 His-tag for fusion expression in HEK293F cells by transient transfection. The expressed proteins obtained by cell fusion technique was used to produce six monoclonal antibodies. 4 amino acid residues were offset between adjacent peptides in 49 overlapping synthesized peptides that cover the extracellular region of S protein in which 6 amino acid residues were offset between adjacent peptides. We developed 49 overlapping synthesized peptides that cover the extracellular region of S protein in which 6 amino acid residues were offset between adjacent peptides. The epitope S19. 2 and K 1205, Q 471, Q 471, Q 471, Q 471, Q 471, Q 474, and A 475 of the epitope S59. 4 were the primary locations involved in the mAbs binding, according to Alanine scans.

Source link: https://europepmc.org/article/MED/35916768


Comparison of Existing Methods for Characterizing Bi-Linear Natural Ankle Quasi-Stiffness.

During dynamic movement, the ankle joint's mechanical property is called "natural ankle quasi-stiffness. " NAS has been used to determine the average rise of the net ankle time versus ankle angle during various phases of stance. Plantarflexion moment, specifically during the loading phase of stance stance, is increasing at an increasing rate relative to the dorsiflexion angle. The loading phase of stance is divided into two subphases, called early loading and late loading NAS, according to one form of model called bi-linear NAS. Both BL-NAS models had lower RMSE than SL-NAS, EL-NAS was not significantly different across walking speeds, and LL-NAS increased significantly at faster walking speeds, according to findings. These updated NAS models more accurately reflect natural human movement than commonly used SL-NAS charts, and thus provide a platform for designing ankle-foot devices with multiple stiffness properties to imitate and facilitate natural human movement.

Source link: https://europepmc.org/article/MED/35698872


Developing DHA microcapsules using linear dextrin aggregates of different chain length distributions

The high amylose corn starch was acid hydrolyzed and enzymically debranched into LDAs of various chain length lengths. Molecular dynamic simulations revealed that the linear dextrin with DP of 15 displayed the highest interaction attraction when being encapsulated with DHA. The hypothesis has been therefore established, since the LDA with a specific CLD supports the production of starch-based DHA microcapsules with improved results. Microcapsules with the highest encapsulation yield and the lowest perfore value were observed when LDAs contained 22% intermediate linear dextrin.

Source link: https://europepmc.org/article/MED/IND607797609


Experimentally Implementing the Linear Nonisothermal Equation for Simultaneously Obtaining D- and z-Values of Salmonella Senftenberg in Skim Milk with a Differential Scanning Calorimeter.

D-values are obtained in several isothermal inactivation experiments at different temperatures, and the z-value is determined from these D-values. The present review examines the first pilot experiment on Salmonella Senftenberg suspended in skim milk, for which a differential scanning calorimeter provided the desired constant heating rate. The D-values also agreed, but only after updating the nonisothermal value for temperature lag in the DSC caused by the large sample size. Fortunately, although D- and z-values should be independent of DSC heating rate, heating rates of 1 and 10 K/min were significantly different from the others, there were no such measurements for use in this nonisothermal technique.

Source link: https://europepmc.org/article/MED/35775995


Spurious Local Minima Are Common for Deep Neural Networks With Piecewise Linear Activations.

spurious local minima are typical for deep fully connected networks and average-pooling convolutional neural networks in this article, according to piecewise linearizations and datasets that cannot be represented by linear models. Motivating cases are used to explain why spurious local minima exist: each generation neuron of fully connected networks and CNNs with piecewise linear activations provides a continuous piecewise linear function, and different facets of the CPWL's output can reliably fit disjoint groups of data samples when minimizing the empirical risk.

Source link: https://europepmc.org/article/MED/36126034


Binary Mixtures in Linear Convection Arrays.

These methods are quantitatively characterized by investigating the effect of the active and passive particles' diffusion constants on the active mixture fraction's parameters.

Source link: https://europepmc.org/article/MED/36125421


A Linear Programming Methodology to Optimize Decision-Making for Ready-Mixed Cement Products: a Case Study on Egypt’s New Administrative Capital

Egypt has started constructing its New Administrative Capital since 2015. The new capital was designed to meet smart city codes, but it presents a challenge for businesses to make the right business decisions given the budget for such a program. To determine the optimum product mix, several researchers have considered the possibility of constraints in their experiments. Frequently, analysis has focused on profit maximization in order to find the most effective option in one scenario. We aim to address the issue of product mix in cement production, which is a problem that many companies face in this paper.

Source link: https://europepmc.org/article/MED/PMC9483369


A quantile integral linear model to quantify genetic effects on phenotypic variability.

Detecting genetic variants related to the variability of complex traits, or variance quantitative trait loci, can reveal vital information into the interplay of genes and environments, as well as how genetic variants influence human phenotypes in the population. To determine genetic contributions to trait variation, we recommend a quantitative integral linear model. Applied to UK Biobank, QUAIL reported 11 vQTLs for body mass index that had not been reported before. Moreover, variance polygenic scores based on QUAIL effect estimates provided superior predictive success on both population-level and within-individual BMI variability as well as within-individual BMI variations, in comparison to previous approaches.

Source link: https://europepmc.org/article/MED/36122202


Manifold Learning via Linear Tangent Space Alignment (LTSA) for Accelerated Dynamic MRI with Sparse Sampling.

Dynamic resonance imaging's spatial resolution and temporal framerate can be enhanced by reconstructing images from sparsely collected k-space samples with mathematical analysis of the underlying spatiotemporal data. This paper introduces a new tangent space alignment model-based framework that uses the inherent low-dimensional manifold style of dynamic images for accelerated dynamic MRI. Among all the compared methods, the new technique had the highest success in image reconstruction.

Source link: https://europepmc.org/article/MED/36121938

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions