Piezoelectric Tensor of Collagen Fibrils Determined at the Nanoscale

Denise Denning; Jason I. Kilpatrick; Eiichi Fukada; Nan Zhang; Stefan Habelitz; Andrzej Fertala; Michael D. Gilchrist; Yuqi Zhang; Syed A.M. Tofail; Brian J. Rodriguez

doi:10.1021/acsbiomaterials.7b00183

Piezoelectric Tensor of Collagen Fibrils Determined at the Nanoscale

Denise Denning, Jason I. Kilpatrick, Eiichi Fukada, Nan Zhang, Stefan Habelitz, Andrzej Fertala, Michael D. Gilchrist, Yuqi Zhang, Syed A.M. Tofail, Brian J. Rodriguez

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Piezoelectric properties of rat tail tendons, sectioned at angles of 0, 59, and 90° relative to the plane orthogonal to the major axis, were measured using piezoresponse force microscopy. The piezoelectric tensor at the length scale of an individual fibril was determined from angle-dependent in-plane and out-of-plane piezoelectric measurements. The longitudinal piezoelectric coefficient for individual fibrils at the nanoscale was found to be roughly an order of magnitude greater than that reported for macroscopic measurements of tendon, the low response of which stems from the presence of oppositely oriented fibrils, as confirmed here.

Original language	English
Pages (from-to)	929-935
Number of pages	7
Journal	ACS Biomaterials Science and Engineering
Volume	3
Issue number	6
DOIs	https://doi.org/10.1021/acsbiomaterials.7b00183
Publication status	Published - 12 Jun 2017

Keywords

atomic force microscopy
connective tissue
electromechanical coupling
piezoresponse force microscopy
polar orientation
tendon

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10.1021/acsbiomaterials.7b00183

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title = "Piezoelectric Tensor of Collagen Fibrils Determined at the Nanoscale",

abstract = "Piezoelectric properties of rat tail tendons, sectioned at angles of 0, 59, and 90° relative to the plane orthogonal to the major axis, were measured using piezoresponse force microscopy. The piezoelectric tensor at the length scale of an individual fibril was determined from angle-dependent in-plane and out-of-plane piezoelectric measurements. The longitudinal piezoelectric coefficient for individual fibrils at the nanoscale was found to be roughly an order of magnitude greater than that reported for macroscopic measurements of tendon, the low response of which stems from the presence of oppositely oriented fibrils, as confirmed here.",

keywords = "atomic force microscopy, connective tissue, electromechanical coupling, piezoresponse force microscopy, polar orientation, tendon",

author = "Denise Denning and Kilpatrick, {Jason I.} and Eiichi Fukada and Nan Zhang and Stefan Habelitz and Andrzej Fertala and Gilchrist, {Michael D.} and Yuqi Zhang and Tofail, {Syed A.M.} and Rodriguez, {Brian J.}",

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doi = "10.1021/acsbiomaterials.7b00183",

language = "English",

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T1 - Piezoelectric Tensor of Collagen Fibrils Determined at the Nanoscale

AU - Denning, Denise

AU - Kilpatrick, Jason I.

AU - Fukada, Eiichi

AU - Zhang, Nan

AU - Habelitz, Stefan

AU - Fertala, Andrzej

AU - Gilchrist, Michael D.

AU - Zhang, Yuqi

AU - Tofail, Syed A.M.

AU - Rodriguez, Brian J.

PY - 2017/6/12

Y1 - 2017/6/12

N2 - Piezoelectric properties of rat tail tendons, sectioned at angles of 0, 59, and 90° relative to the plane orthogonal to the major axis, were measured using piezoresponse force microscopy. The piezoelectric tensor at the length scale of an individual fibril was determined from angle-dependent in-plane and out-of-plane piezoelectric measurements. The longitudinal piezoelectric coefficient for individual fibrils at the nanoscale was found to be roughly an order of magnitude greater than that reported for macroscopic measurements of tendon, the low response of which stems from the presence of oppositely oriented fibrils, as confirmed here.

AB - Piezoelectric properties of rat tail tendons, sectioned at angles of 0, 59, and 90° relative to the plane orthogonal to the major axis, were measured using piezoresponse force microscopy. The piezoelectric tensor at the length scale of an individual fibril was determined from angle-dependent in-plane and out-of-plane piezoelectric measurements. The longitudinal piezoelectric coefficient for individual fibrils at the nanoscale was found to be roughly an order of magnitude greater than that reported for macroscopic measurements of tendon, the low response of which stems from the presence of oppositely oriented fibrils, as confirmed here.

KW - atomic force microscopy

KW - connective tissue

KW - electromechanical coupling

KW - piezoresponse force microscopy

KW - polar orientation

KW - tendon

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U2 - 10.1021/acsbiomaterials.7b00183

DO - 10.1021/acsbiomaterials.7b00183

M3 - Article

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SP - 929

EP - 935

JO - ACS Biomaterials Science and Engineering

JF - ACS Biomaterials Science and Engineering

IS - 6

ER -

Piezoelectric Tensor of Collagen Fibrils Determined at the Nanoscale

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