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Force-Clamp Rheometry for Characterizing Protein-based Hydrogels
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Force-Clamp Rheometry for Characterizing Protein-based Hydrogels

Force-Clamp Rheometry for Characterizing Protein-based Hydrogels

DOI:
10.3791/58280-v

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09:55 min

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August 21, 2018

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, , , , ,
1Department of Physics,University of Wisconsin-Milwaukee

Chapitres

  • 00:04Titre
  • 01:04Protein-Based Hydrogel Synthesis
  • 03:26Protein-Based Hydrogel Attachment and Force-Clamp Rheometer Set-Up
  • 06:08Protein-Based Hydrogel Characterization Using Controlled Force-Ramp and Constant-Force Measurements
  • 06:57Results: Formation and Biomechanical Characterization of Protein-Based Hydrogel Samples
  • 08:19Conclusion

Summary

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A new force-clamp rheometry technique is used to investigate the mechanical properties of low-volume protein-based hydrogel samples tethered between a voice-coil motor and a force sensor. An analog proportional-integral-derivative (PID) system allows for the 'clamping' of the force experienced to the desired protocol.

Tags

Force-clamp RheometryProtein-based HydrogelsPID SystemControlled Force ProtocolsSmall Sample VolumeBiometric MaterialsProtein-based Hydrogel SynthesisSilane SolutionPhotoactive SolutionTeflon TubeMercury Lamp

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