A recruitment model of quasi-linear power-law stress adaptation in lung tissue.

A recruitment model of quasi-linear power-law stress adaptation in lung tissue. Research Abstract Details 

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A recruitment model of quasi-linear power-law stress adaptation in lung tissue. Abstract Text:

Jason H T Bates,

When lung tissue is subjected to a step in strain, it exhibits a stress adaptation profile that is a power function of time. Furthermore, this power function is independent of the strain, even though the quasi-static stress-strain relationship of the tissue is highly nonlinear. Such behavior is known as quasi-linear viscoelasticity, but its mechanistic basis is unknown. We describe a model of soft tissue rheology based on the sequential recruitment of Maxwell bodies. The model is homogeneous in its elemental constitutive properties, yet predicts both power-law stress relaxation and quasi-linear viscoelasticity even when the stress-strain behavior of the model is nonlinear. The model suggests that stress relaxation in lung tissue could occur via a sequence of micro-rips that cause stresses to be passed from one local stress bearing region to another.

A recruitment model of quasi-linear power-law stress adaptation in lung tissue. Publishing Authors By Initials

JH Bates,

For similar natural sciences: chemistry: chemistry, physical: viscosity research abstracts see: natural sciences: chemistry: chemistry, physical: viscosity research

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A recruitment model of quasi-linear power-law stress adaptation in lung tissue. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Annals of biomedical engineering

VOLUME: 35

Page Numbers: 1165-74

Journal Abbreviation:

ISSN: 0090-6964

DAY: 23

MONTH: 03

YEAR: 2007

A recruitment model of quasi-linear power-law stress adaptation in lung tissue. Information

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LANGUAGE: eng

NlmUniqueID: 361512

A recruitment model of quasi-linear power-law stress adaptation in lung tissue. Keywords Mesh Terms:

KEYWORDS: Viscosity

MESH TERMS: physiology

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Grant and Affiliation Information for A recruitment model of quasi-linear power-law stress adaptation in lung tissue.

AFFILIATION: Department of Medicine, University of Vermont College of Medicine, HSRF 228, 149 Beaumont Avenue, Burlington, Vermont 05405-0075, USA. jason.h.bates@uvm.edu

Country: United States

AGENCY: United States NHLBI

GRANT: R01HL075593

ACRONYM: HL

MEDLINETA: Ann Biomed Eng

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