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Journal of Long-Term Effects of Medical Implants

Publicado 4 números por año

ISSN Imprimir: 1050-6934

ISSN En Línea: 1940-4379

SJR: 0.184 SNIP: 0.485 CiteScore™:: 1.1 H-Index: 39

Indexed in

Hydrogel Encapsulation to Improve Cell Viability during Syringe Needle Flow

Volumen 24, Edición 2-3, 2014, pp. 151-162
DOI: 10.1615/JLongTermEffMedImplants.2014010946
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SINOPSIS

This work examines pluronic F-127 poloxamer for cell protection during injection through a syringe needle. Direct cell injection is a minimally invasive method for cell transplantation; however, it often results in poor cell viability. We proposed that encapsulating cells in this hydrogel would protect cells from detrimental mechanical forces during injection and increase cell viability. The hydrogel was tested at multiple weights and carbon nanobrush concentrations to determine how gel weight affects cell viability as well as to allow the gels to remain as electrically conductive scaffolds. This work assessed the ability of the hydrogel to prevent cell membrane bursting. We used D1 multipotent mouse bone marrow stromal precursor cells for this study. We found that the pressure drop increases with increasing weight of the gels. However, cell viability also increases as the weight of the gels increases. These results support the proposition that hydrogels can be used to protect cells during syringe needle injection. Since these hydrogels undergo a reverse phase transition, the gels can be used to transplant cells into the body in solution form through injection. The gels will then harden in situ to allow for cell proliferation and tissue regeneration at the desired site.

CITADO POR
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