Инд. авторы:	Kirilova I.A., Sharkeev Y.P., Nikolaev S.V., Podorozhnaya V.T., Uvarkin P.V., Ratushnyak A.S., Chebodaeva V.V.
Заглавие:	Physicomechanical properties of the extracellular matrix of a demineralized bone
Библ. ссылка:	Kirilova I.A., Sharkeev Y.P., Nikolaev S.V., Podorozhnaya V.T., Uvarkin P.V., Ratushnyak A.S., Chebodaeva V.V. Physicomechanical properties of the extracellular matrix of a demineralized bone // AIP Conference Proceedings. - 2016. - Vol.1760. - Art.020027. - ISSN 0094-243X.
Внешние системы:	DOI: 10.1063/1.4960246; РИНЦ: 27370434; SCOPUS: 2-s2.0-84984568778; WoS: 000387932000027;
Реферат:	eng: Abstract. The article describes the results of a study of physicomechanical properties of a demineralized bone matrix of human cancellous and compact bones. A demineralized cancellous bone was shown to have the best characteristics of a porous system for colonization of matrices by cells. The ultimate stress and elasticity modulus of samples of demineralized femoral heads isolated in primary hip replacement was demonstrated to vary in wide ranges. The elasticity modulus ranged from 50 to 250 MPa, and the tensile strength varied from 1.1 to 5.5 MPa. Microhardness easurements by the recovered indentation method were not possible because of the viscoelastic properties of a bone material. To study the piezoelectric properties of samples, a measuring system was developed that comprised a measuring chamber with contact electrodes, a system for controlled sample loading, an amplifier-converter unit, and signal recording and processing software. The measurement results were used to determine the dependence of the signal amplitude on the dynamic deformation characteristics. The findings are discussed in terms of the relationship between the mechanical and electrical properties and the structure of the organic bone component.
Издано:	2016
Физ. характеристика:	020027
Конференция:	Название: Physics of Cancer: Interdisciplinary Problems and Clinical Applications Аббревиатура: PC-16 Город: Tomsk Страна: Russia Даты проведения: 2016-03-22 - 2016-03-25 Ссылка: http://printorders.aip.org/proceedings/1760
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