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Related Experiment Video

Updated: May 7, 2026

The Polyvinyl Alcohol Sponge Model Implantation
06:23

The Polyvinyl Alcohol Sponge Model Implantation

Published on: April 18, 2012

[Technical study on inactivating/removing virus in collagen sponge].

Lixia Jiang1

  • 1Shanghai Qisheng Biological Preparation Co., Ltd, Shanghai, 201106, P.R. China. lixiajiang18@hotmail.com

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi = Zhongguo Xiufu Chongjian Waike Zazhi = Chinese Journal of Reparative and Reconstructive Surgery
|September 26, 2013
PubMed
Summary
This summary is machine-generated.

Gamma irradiation effectively inactivates viruses in bovine Achilles tendon collagen sponges. A 25 kGy dose significantly reduces viral load, ensuring product safety for medical applications.

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Area of Science:

  • Biomaterials Science
  • Virology
  • Radiation Sterilization

Context:

  • Collagen sponges derived from bovine Achilles tendon are used in various medical applications.
  • Ensuring the viral safety of biological materials is critical for preventing pathogen transmission.
  • Standard sterilization methods may impact the structural integrity and efficacy of collagen-based scaffolds.

Purpose:

  • To evaluate the efficacy of gamma irradiation as a virus inactivation and removal technique for bovine Achilles tendon-derived collagen sponges.
  • To determine the optimal radiation dose for effective virus inactivation while preserving collagen sponge properties.

Summary:

  • Four types of viruses (VSV, TEMV, PRV, SV40) were used to challenge collagen sponges.
  • A 25 kGy dose of 60Co gamma irradiation was applied to the collagen sponges.
  • Virus reduction factors exceeding 4 logs for all tested viruses demonstrated effective inactivation.

Impact:

  • 25 kGy gamma irradiation is a validated method for inactivating and removing viruses in bovine collagen sponges.
  • This technique enhances the safety profile of collagen-based medical products.
  • The findings support the use of irradiated collagen sponges in clinical settings, minimizing risks associated with viral contamination.