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Related Concept Videos

Generalized Hooke's Law01:22

Generalized Hooke's Law

The generalized Hooke's Law is a broadened version of Hooke's Law, which extends to all types of stress and in every direction. Consider an isotropic material shaped into a cube subjected to multiaxial loading. In this scenario, normal stresses are exerted along the three coordinate axes. As a result of these stresses, the cubic shape deforms into a rectangular parallelepiped. Despite this deformation, the new shape maintains equal sides, and there is a normal strain in the direction of the...
Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.

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Correction: Quantifying the trade-off between stiffness and permeability in hydrogels.

Yiwei Gao1, H Jeremy Cho1

  • 1Department of Mechanical Engineering, University of Nevada, Las Vegas, Las Vegas, NV 89154, USA. jeremy.cho@unlv.edu.

Soft Matter
|November 11, 2022
PubMed
Summary

This correction clarifies the relationship between hydrogel stiffness and permeability. It refines understanding of how these properties balance for optimal material performance.

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Biomaterials Engineering

Context:

  • Hydrogels are versatile materials with tunable mechanical and transport properties.
  • Balancing stiffness and permeability is crucial for applications like drug delivery and tissue engineering.
  • Previous work quantified this trade-off, but required correction.

Purpose:

  • To correct and refine the quantitative analysis of the stiffness-permeability trade-off in hydrogels.
  • To ensure accurate data and conclusions for researchers in the field.
  • To provide a reliable reference for hydrogel design.

Summary:

  • This correction addresses errors in the original quantification of the stiffness-permeability relationship in hydrogels.
  • Specific figures and data interpretations have been revised for accuracy.
  • The corrected findings offer a more precise understanding of how hydrogel structure influences these critical properties.

Impact:

  • Ensures the integrity of scientific data for the hydrogel research community.
  • Facilitates more accurate design and development of advanced hydrogel-based technologies.
  • Supports progress in fields relying on precisely engineered hydrogels, such as regenerative medicine and controlled release systems.