Tag

Theoretical Model

All articles tagged with #theoretical model

science4 months ago•62 min saved

Amino Acids Enhance Stability of Proteins and Colloids

The article explores how amino acids (AAs) stabilize protein and colloidal dispersions by weakly interacting with particles, modulating their interactions and increasing stability. It presents experimental evidence showing AAs raise the second virial coefficient (B22), indicating enhanced repulsion, and develops a theoretical framework modeling proteins as patchy particles with adsorption sites blocked by AAs. The findings suggest AAs have a generic colloidal effect, influencing biological processes like phase separation and stress granule formation, and can improve pharmaceutical formulations, exemplified by increased insulin bioavailability with proline.

via Nature|

#amino-acids #colloidal-dispersions #protein-interactions

science1 year ago•3 min saved

"Unraveling the Mystery of Water's Variable Freezing Points"

Researchers have developed a theoretical model that explains how specific structural details on surfaces can influence water's freezing point, clarifying why water freezes at a range of temperatures. The model considers factors that encourage ice crystal formation, such as surface-water binding strength and angles between structural features. This model could aid in designing materials for more efficient ice formation, potentially impacting snow or ice makers, cloud seeding, and weather modeling.

via Phys.org|

#american-chemical-society #ice-nucleation #science

science-and-technology2 years ago•4 min saved

Cellular Conversations: Decoding the Language of Waves

Researchers have developed a theoretical model to understand how cells communicate and move using waves as their language. The model enhances our understanding of long-range cell-cell communication and provides insights into the mechanical forces and biochemical activity involved. The researchers have successfully validated their model through computer simulations and experimental tests using mammalian kidney cells. The findings have potential implications for wound healing, as improving the flow of information between cells could accelerate the healing process. Future research may explore the application of the model to 3D tissues and complex shapes, as well as its potential for wound healing in living organisms.

via SciTechDaily|

#cell-movement #cellular-communication #physics-of-biology

science-and-technology2 years ago•1 min saved

Unresolved Mystery: Consciousness Defies Measurement and Explanation

A recent paper in Neuroscience of Consciousness compares the Perturbational Complexity Index (PCI), a clinical tool for assessing residual conscious activity, with the Global Neuronal Workspace Theory (GNWT), a theoretical model of consciousness. The paper finds that the two are compatible on a fundamental level, providing a direct analytical comparison between PCI and GNWT. The authors also develop an indirect comparison between the Integrated Information Theory (IIT) and GNWT, contributing to the ongoing discussion about suitable theoretical frameworks and models in consciousness research.

via Human Brain Project|

#clinical-tool #compatibility #consciousness