Stability of electrically induced-polarization in poly (L-lactic) acid for bone regeneration

Nathalie Barroca; Paula M. Vilarinho; Maria Helena V. Fernandes; Pankaj Sharma; Alexei Gruverman

doi:10.1063/1.4729619

Stability of electrically induced-polarization in poly (L-lactic) acid for bone regeneration

Nathalie Barroca, Paula M. Vilarinho, Maria Helena V. Fernandes, Pankaj Sharma, Alexei Gruverman

Research output: Contribution to journal › Review article › peer-review

14 Citations (Scopus)

Abstract

This paper describes the decay kinetics of electrically induced polarization of poly(L-lactic) acid (PLLA) via piezoresponse force microscopy. Two crystalline forms of PLLA (α and α′) were electrically poled at different temperatures (room and above glass transition). Poling at temperatures above glass transition allowed obtaining polarization stable up to 10 days for both forms. This period is enough to trigger and maintain proteins adhesion and cells proliferation, if PLLA is used as a platform for tissue growth. When poled at room temperature, both structures lose polarization after a short time (minutes to hours) being polarization in α PLLA stable for longer time.

Original language	English
Article number	023701
Number of pages	4
Journal	Applied Physics Letters
Volume	101
Issue number	2
DOIs	https://doi.org/10.1063/1.4729619
Publication status	Published - 9 Jul 2012
Externally published	Yes

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title = "Stability of electrically induced-polarization in poly (L-lactic) acid for bone regeneration",

abstract = "This paper describes the decay kinetics of electrically induced polarization of poly(L-lactic) acid (PLLA) via piezoresponse force microscopy. Two crystalline forms of PLLA (α and α′) were electrically poled at different temperatures (room and above glass transition). Poling at temperatures above glass transition allowed obtaining polarization stable up to 10 days for both forms. This period is enough to trigger and maintain proteins adhesion and cells proliferation, if PLLA is used as a platform for tissue growth. When poled at room temperature, both structures lose polarization after a short time (minutes to hours) being polarization in α PLLA stable for longer time.",

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AU - Barroca, Nathalie

AU - Vilarinho, Paula M.

AU - Fernandes, Maria Helena V.

AU - Sharma, Pankaj

AU - Gruverman, Alexei

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N2 - This paper describes the decay kinetics of electrically induced polarization of poly(L-lactic) acid (PLLA) via piezoresponse force microscopy. Two crystalline forms of PLLA (α and α′) were electrically poled at different temperatures (room and above glass transition). Poling at temperatures above glass transition allowed obtaining polarization stable up to 10 days for both forms. This period is enough to trigger and maintain proteins adhesion and cells proliferation, if PLLA is used as a platform for tissue growth. When poled at room temperature, both structures lose polarization after a short time (minutes to hours) being polarization in α PLLA stable for longer time.

AB - This paper describes the decay kinetics of electrically induced polarization of poly(L-lactic) acid (PLLA) via piezoresponse force microscopy. Two crystalline forms of PLLA (α and α′) were electrically poled at different temperatures (room and above glass transition). Poling at temperatures above glass transition allowed obtaining polarization stable up to 10 days for both forms. This period is enough to trigger and maintain proteins adhesion and cells proliferation, if PLLA is used as a platform for tissue growth. When poled at room temperature, both structures lose polarization after a short time (minutes to hours) being polarization in α PLLA stable for longer time.

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VL - 101

JO - Applied Physics Letters

JF - Applied Physics Letters

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Stability of electrically induced-polarization in poly (L-lactic) acid for bone regeneration

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