EPR spectroscopy solutions for assessment of decellularization of intrathoracic organs and tissues

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Using EPR spectroscopy it was established that the determination of the concentration of paramagnetic centers in lyophilized tissues allows indirect evaluation of the quality of decellularization of intrathoracic organs (diaphragm, heart, and lungs), since the content of paramagnetic particles in them can serve as a criterion of cell viability and points to the necessity to repeat decellularization. Experiments in rats showed that the EPR spectra of the native thoracic organs contained paramagnetic centers with g-factor values ranging from 2.007 to 2.011 at a concentration of 10–8 to 6.62 × 10–7 mol/g of lyophilized tissue, whereas in all decellularized tissues of the same organs paramagnetic particles were not detected.

作者简介

E. Gubareva

Kuban State Medical University

编辑信件的主要联系方式.
Email: g_lena82@list.ru
俄罗斯联邦, ul. Sedina 4, Krasnodar, 350000

E. Kuevda

Kuban State Medical University

Email: g_lena82@list.ru
俄罗斯联邦, ul. Sedina 4, Krasnodar, 350000

S. Dzhimak

Kuban State University

Email: g_lena82@list.ru
俄罗斯联邦, ul. Stavropol’skaya 149, Krasnodar, 350040

A. Basov

Kuban State Medical University

Email: g_lena82@list.ru
俄罗斯联邦, ul. Sedina 4, Krasnodar, 350000

A. Sotnichenko

Kuban State Medical University

Email: g_lena82@list.ru
俄罗斯联邦, ul. Sedina 4, Krasnodar, 350000

S. Bolotin

Kuban State University

Email: g_lena82@list.ru
俄罗斯联邦, ul. Stavropol’skaya 149, Krasnodar, 350040

I. Gilevich

Kuban State Medical University

Email: g_lena82@list.ru
俄罗斯联邦, ul. Sedina 4, Krasnodar, 350000

I. Gumenyuk

Kuban State Medical University

Email: g_lena82@list.ru
俄罗斯联邦, ul. Sedina 4, Krasnodar, 350000

P. Macchiarini

Kuban State Medical University

Email: g_lena82@list.ru
俄罗斯联邦, ul. Sedina 4, Krasnodar, 350000

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