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Article Dans Une Revue Photonics Année : 2023

Assessment of the Impact of Nanowarming on Microstructure of Cryopreserved Fibroblast-Containing 3D Tissue Models Using Mueller Polarimetry

Deyan Ivanov
Anika Hoeppel
  • Fonction : Auteur
Tobias Weigel
Razvigor Ossikovski
Sofia Dembski

Résumé

We studied the impact of two different thawing mechanisms on the microstructure of defrosted cryopreserved 3D tissue models using transmission Mueller microscopy and a statistical analysis of polarimetric images of thin histological sections of defrosted tissue models. The cryopreserved 3D tissue models were thawed by using either a 37 °C water bath or radio-frequency inductive heating with the magnetic nanoparticles embedded into the 3D tissue model during the preparation process. Polarimetric measurements were conducted at 700 nm and the acquired Mueller matrices of the samples were post-processed using the differential decomposition and the statistical analysis of the maps of the azimuth of the optic axis. Our results indicate the sensitivity of polarimetry to the changes in thawed tissue morphology compared to that of reference non-frozen tissue. Thus, Mueller microscopy can be used as a fast complementary technique to the currently accepted gold standard methods for the assessment of the cryopreserved tissue microstructure after thawing.

Dates et versions

hal-04286393 , version 1 (15-11-2023)

Identifiants

Citer

Deyan Ivanov, Anika Hoeppel, Tobias Weigel, Razvigor Ossikovski, Sofia Dembski, et al.. Assessment of the Impact of Nanowarming on Microstructure of Cryopreserved Fibroblast-Containing 3D Tissue Models Using Mueller Polarimetry. Photonics, 2023, 10 (10), pp.1129. ⟨10.3390/photonics10101129⟩. ⟨hal-04286393⟩
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