Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session X42: Structured Materials
11:15 AM–2:15 PM,
Friday, March 6, 2020
Room: 709/711
Sponsoring
Unit:
GMAG
Chair: Amal El-Ghazaly, Cornell
Abstract: X42.00007 : Functional ferrogels: from magnetic biosensors to regenerative medicine*
View Presentation
Abstract
Presenter:
Galina Kurlyandskaya
(Electricity and Electronics, University of the Basque Country UPV-EHU)
Authors:
Galina Kurlyandskaya
(Electricity and Electronics, University of the Basque Country UPV-EHU)
A. P. Safronov
(Institute of Natural Sciences and Mathematics, Ural Federal University)
F. A. Blyakhman
(Biophysics, Ural State Medical University)
S. V. Shcherbinin
(Institute of Electrophysics, UD RAS)
N. A. Buznikov
(Scientific and Research Institute of Natural Gases and Gas Technologies, Gazprom VNIIGAZ)
Universidad del PaĆs Vasco UPV-EHU, Bilbao, Spain; Ural Federal University, Ekaterinburg, RF; Ural State Medical University, Ekaterinburg, RF; Institute of Electrophysics UD RAS, Ekaterinburg, RF; Gazprom VNIIGAZ, Razvilka, Moscow Region, RF
In-tissue embedded magnetic nanoparticle (MNPs) detection is one of the most interesting cases for biomedical applications. Biological (especially tumor) tissues present a variety of morphologies. Ferrogels (FG) are magnetic composites that are widely used in the area of biomedical engineering and biosensing. We propose to substitute biological samples and use synthetic ferrogel to mimic main properties of the living systems at the stage of the development of magnetic biosensor prototypes. Natural tissue requires tight protocol of storage/testing but synthetic hydrogels are less demanding to test conditions.
In order to make FG widely available there is a need in the development of synthesis techniques with enhanced size of a batch. Electrophysical techniques of electric explosion of the wire or laser target evaporation (LTE) are suitable for this objective.
We have developed magnetic biosensor prototype for the detection of mesoscopic distributions of magnetic nanoparticles using magnetoimpedance phenomenon. Prototypes with FeNi/Ti or FeNi/Cu multilayered elements were designed and the stray fields of embedded LTE MNPs were measured. A model for MI response based on a solution of Maxwell equations was developed.
We discuss the possibility of creation of a new generation of drug delivery systems for magnetic field assisted delivery, positioning and biosensing.
1. Beketov et al. AIP Adv., 2 (2012) 022154.
2. Safronov et al. AIP Adv. 3(5) (2013) 052135.
3. Kurlyandskaya et al. Appl. Phys. Lett., 106 (19) (2015) 193702.
4. Buznikov et al. Bios. Bioelectr. 117 (2018) 366.
5. Blyakhman et al. Nanomater. 9 (2019) 232.
*RSF 18-19-00090 and MAT2017-83631-C3-R grants
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