Abstract:
:With the emergence of new biomaterials and elastography imaging techniques, there is a need for innovative instruments dedicated to viscoelasticity measurements. In this work, we introduce a novel hyper-frequency viscoelastic spectroscopy (HFVS) technique dedicated to characterize soft media subjected to mid-to-very-high frequency stress ranges (or, equivalently, to probe short-to-very-short relaxation times). HFVS, which has been implemented in an analytical instrument performing non-contact measurements in less than 1 s between 10 and 1000 Hz, is a suitable tool to study viscoelasticity for bio-applications. In this context, HFVS has been compared to classical oscillatory rheometry on several classes of soft materials currently encountered in tissue repair, bioengineering and elastography imaging on a frequency range between 10 and 100 Hz. After having demonstrated the good correspondence between HFVS and rheometry, this study has been completed by exploring the sensitivity of HFVS to physicochemically induced variations of viscoelasticity. HFVS opens promising perspectives in the challenging field of biomaterial science and for viscoelasticity-based quality control of materials.
journal_name
J Mech Behav Biomed Materauthors
Hadj Henni A,Schmitt C,Tremblay MÉ,Hamdine M,Heuzey MC,Carreau P,Cloutier Gdoi
10.1016/j.jmbbm.2011.03.020subject
Has Abstractpub_date
2011-10-01 00:00:00pages
1115-22issue
7eissn
1751-6161issn
1878-0180pii
S1751-6161(11)00065-8journal_volume
4pub_type
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