Non-destructive phase contrast hard x-ray imaging to reveal the three-dimensional microstructure of soft and hard tissues

Anna Khimchenko; Georg Schulz; Hans Deyhle; Simone E. Hieber; Samiul Hasan; Christos Bikis; Joachim Schulz; Loïc Costeur; Bert Müller

doi:10.1117/12.2222038

22 April 2016 Non-destructive phase contrast hard x-ray imaging to reveal the three-dimensional microstructure of soft and hard tissues

Anna Khimchenko, Georg Schulz, Hans Deyhle, Simone E. Hieber, Samiul Hasan, Christos Bikis, Joachim Schulz, Loïc Costeur, Bert Müller

Author Affiliations +

Proceedings Volume 9797, Bioinspiration, Biomimetics, and Bioreplication 2016; 97970B (2016) https://doi.org/10.1117/12.2222038
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2016, Las Vegas, Nevada, United States

Abstract

X-ray imaging in the absorption contrast mode is an established method of visualising calciﬁed tissues such as bone and teeth. Physically soft tissues such as brain or muscle are often imaged using magnetic resonance imaging (MRI). However, the spatial resolution of MRI is insuﬃcient for identifying individual biological cells within three-dimensional tissue. X-ray grating interferometry (XGI) has advantages for the investigation of soft tissues or the simultaneous three-dimensional visualisation of soft and hard tissues. Since laboratory microtomography (μCT) systems have better accessibility than tomography set-ups at synchrotron radiation facilities, a great deal of eﬀort has been invested in optimising XGI set-ups for conventional μCT systems. In this conference proceeding, we present how a two-grating interferometer is incorporated into a commercially available nanotom m (GE Sensing and Inspection Technologies GmbH) μCT system to extend its capabilities toward phase contrast. We intend to demonstrate superior contrast in spiders (Hogna radiata (Fam. Lycosidae) and Xysticus erraticus (Fam. Thomisidae)), as well as the simultaneous visualisation of hard and soft tissues. XGI is an imaging modality that provides quantitative data, and visualisation is an important part of biomimetics; consequently, hard X-ray imaging provides a sound basis for bioinspiration, bioreplication and biomimetics and allows for the quantitative comparison of biofabricated products with their natural counterparts.

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Anna Khimchenko, Georg Schulz, Hans Deyhle, Simone E. Hieber, Samiul Hasan, Christos Bikis, Joachim Schulz, Loïc Costeur, and Bert Müller "Non-destructive phase contrast hard x-ray imaging to reveal the three-dimensional microstructure of soft and hard tissues", Proc. SPIE 9797, Bioinspiration, Biomimetics, and Bioreplication 2016, 97970B (22 April 2016); https://doi.org/10.1117/12.2222038

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