The Effect of Physiological Incubation on the Properties of Elastic Magnetic Composites for Soft Biomedical Sensors

Magnetic micro- and nanoparticles (MPs)-based composite materials are widely used in various applications in electronics, biotechnology, and medicine. This group of silicone composites have advantageous magnetic and mechanical properties as well as sufficient flexibility and biocompatibility. These...

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Autores principales:	Joanna Mystkowska, Anna Powojska, Dawid Łysik, Joanna Niewęgłowska, Gilbert Santiago Cañón Bermúdez, Arkadiusz Mystkowski, Denys Makarov
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	soft robot biomedical sensor magnetic composite elastic modulus DSC TGA Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/64c470a50d8d4bf5894f3bcc78f8711b
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spelling	oai:doaj.org-article:64c470a50d8d4bf5894f3bcc78f8711b2021-11-11T19:07:31ZThe Effect of Physiological Incubation on the Properties of Elastic Magnetic Composites for Soft Biomedical Sensors10.3390/s212171221424-8220https://doaj.org/article/64c470a50d8d4bf5894f3bcc78f8711b2021-10-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7122https://doaj.org/toc/1424-8220Magnetic micro- and nanoparticles (MPs)-based composite materials are widely used in various applications in electronics, biotechnology, and medicine. This group of silicone composites have advantageous magnetic and mechanical properties as well as sufficient flexibility and biocompatibility. These composites can be applied in medicine for biological sensing, drug delivery, tissue engineering, and as remote-controlled microrobots operating in vivo. In this work, the properties of polydimethylsiloxane (PDMS)-based composites with different percentages (30 wt.%, 50 wt.%, 70 wt.%) of NdFeB microparticles as a filler were characterized. The novelty of the work was to determine the influence of the percentage of MP content and physiological conditioning on the properties of the PDMS-MP composites after in vitro incubation. An important essence of the work was a comprehensive study of the properties of materials important from the point of view of medical applications. Materials were tested before and after conditioning in 0.9 wt.% NaCl solution at a temperature of 37 °C. Several studies were carried out, including thermal, physicochemical, and rheological tests. The results show that with an increase of the incubation time, most of the measured thermal and physicochemical parameters decreased. The presence of the magnetic filler, especially at a concentration of 70 wt.%, has a positive effect on thermal stability and physicochemical and rheological properties. The performed tests provided important results, which can lead to further research for a broader application of magnetic composites in the biomedical field.Joanna MystkowskaAnna PowojskaDawid ŁysikJoanna NiewęgłowskaGilbert Santiago Cañón BermúdezArkadiusz MystkowskiDenys MakarovMDPI AGarticlesoft robotbiomedical sensormagnetic compositeelastic modulusDSCTGAChemical technologyTP1-1185ENSensors, Vol 21, Iss 7122, p 7122 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	soft robot biomedical sensor magnetic composite elastic modulus DSC TGA Chemical technology TP1-1185
spellingShingle	soft robot biomedical sensor magnetic composite elastic modulus DSC TGA Chemical technology TP1-1185 Joanna Mystkowska Anna Powojska Dawid Łysik Joanna Niewęgłowska Gilbert Santiago Cañón Bermúdez Arkadiusz Mystkowski Denys Makarov The Effect of Physiological Incubation on the Properties of Elastic Magnetic Composites for Soft Biomedical Sensors
description	Magnetic micro- and nanoparticles (MPs)-based composite materials are widely used in various applications in electronics, biotechnology, and medicine. This group of silicone composites have advantageous magnetic and mechanical properties as well as sufficient flexibility and biocompatibility. These composites can be applied in medicine for biological sensing, drug delivery, tissue engineering, and as remote-controlled microrobots operating in vivo. In this work, the properties of polydimethylsiloxane (PDMS)-based composites with different percentages (30 wt.%, 50 wt.%, 70 wt.%) of NdFeB microparticles as a filler were characterized. The novelty of the work was to determine the influence of the percentage of MP content and physiological conditioning on the properties of the PDMS-MP composites after in vitro incubation. An important essence of the work was a comprehensive study of the properties of materials important from the point of view of medical applications. Materials were tested before and after conditioning in 0.9 wt.% NaCl solution at a temperature of 37 °C. Several studies were carried out, including thermal, physicochemical, and rheological tests. The results show that with an increase of the incubation time, most of the measured thermal and physicochemical parameters decreased. The presence of the magnetic filler, especially at a concentration of 70 wt.%, has a positive effect on thermal stability and physicochemical and rheological properties. The performed tests provided important results, which can lead to further research for a broader application of magnetic composites in the biomedical field.
format	article
author	Joanna Mystkowska Anna Powojska Dawid Łysik Joanna Niewęgłowska Gilbert Santiago Cañón Bermúdez Arkadiusz Mystkowski Denys Makarov
author_facet	Joanna Mystkowska Anna Powojska Dawid Łysik Joanna Niewęgłowska Gilbert Santiago Cañón Bermúdez Arkadiusz Mystkowski Denys Makarov
author_sort	Joanna Mystkowska
title	The Effect of Physiological Incubation on the Properties of Elastic Magnetic Composites for Soft Biomedical Sensors
title_short	The Effect of Physiological Incubation on the Properties of Elastic Magnetic Composites for Soft Biomedical Sensors
title_full	The Effect of Physiological Incubation on the Properties of Elastic Magnetic Composites for Soft Biomedical Sensors
title_fullStr	The Effect of Physiological Incubation on the Properties of Elastic Magnetic Composites for Soft Biomedical Sensors
title_full_unstemmed	The Effect of Physiological Incubation on the Properties of Elastic Magnetic Composites for Soft Biomedical Sensors
title_sort	effect of physiological incubation on the properties of elastic magnetic composites for soft biomedical sensors
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/64c470a50d8d4bf5894f3bcc78f8711b
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The Effect of Physiological Incubation on the Properties of Elastic Magnetic Composites for Soft Biomedical Sensors

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