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Stimulation of the specific conductivity of the biocompatible nanomaterial layers by laser irradiation
Author(s): Levan P. Ichkitidze; Olga E. Glukhova; Georgy V. Savostyanov; Alexander Yu. Gerasimenko; Vitaly M. Podgaetsky; Sergey V. Selishchev
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Paper Abstract

The conductivity of layers (thickness ~ 0.5-20 μm) of composite nanomaterials consisting of bovine serum albumin (BSA) with single-walled carbon nanotubes (SWCNTs) has been studied. The BSA/SWCNT composite nanomaterial was prepared according to a route map, some steps of which are: the preparation of an aqueous dispersion based on BSA and SWCNT; preparation of substrates; deposition of BSA/SWCNT dispersion on substrates; application of water paste from SWCNT on substrates; irradiation of layers by lasers when they were in a liquid state; drying of samples; carrying out electrical and temperature measurements. Half of the layer was covered with a light-tight hollow box and the other half of the layer was laser irradiated. The laser irradiation of the layer was carried out for about 20 sec, at which time the layers completely became dry, while the other half of the layer remained in liquid. Conductivity was increased (70 ÷ 650) % by laser irradiation of the layers when they were in the liquid state. Maximum values of specific conductivity for BSA/SWCNT-1 S/m layers, and for layers SWCNT - 70 kS/m. The investigated electrically conductive layers of 99 wt.% BSA/0.3 wt.% SWCNT are promising for medical practice.

Paper Details

Date Published: 17 May 2018
PDF: 12 pages
Proc. SPIE 10685, Biophotonics: Photonic Solutions for Better Health Care VI, 106853Q (17 May 2018); doi: 10.1117/12.2306812
Show Author Affiliations
Levan P. Ichkitidze, National Research Univ. of Electronic Technology (Russian Federation)
I.M. Sechenov First Moscow State Medical Univ. (Russian Federation)
Olga E. Glukhova, Saratov National Research State Univ. (Russian Federation)
Georgy V. Savostyanov, Saratov National Research State Univ. (Russian Federation)
Alexander Yu. Gerasimenko, National Research Univ. of Electronic Technology (Russian Federation)
I.M. Sechenov First Moscow State Medical Univ. (Russian Federation)
Vitaly M. Podgaetsky, National Research Univ. of Electronic Technology (Russian Federation)
Sergey V. Selishchev, National Research Univ. of Electronic Technology (Russian Federation)


Published in SPIE Proceedings Vol. 10685:
Biophotonics: Photonic Solutions for Better Health Care VI
Jürgen Popp; Valery V. Tuchin; Francesco Saverio Pavone, Editor(s)

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