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Nanoparticles incorporated collagen hydrogels for sustained release of EGF
Linköping University, Department of Clinical and Experimental Medicine, Division of Cell Biology. Linköping University, Faculty of Health Sciences.ORCID iD: 0000-0001-6024-4144
Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Physics, Chemistry and Biology, Sensor Science and Molecular Physics. Linköping University, The Institute of Technology.
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2013 (English)In: Acta Ophthalmologica; Special Issue: Abstracts from the 2013 European Association for Vision and Eye Research Conference, Volume 91, Issue Supplement s252, page 0, August 2013, John Wiley & Sons, 2013Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

Therapeutic biomolecules such as growth factors are essential for enhancing the regeneration of damaged tissues by inducing cell signaling activities such as cell migration, proliferation, and differentiation. Nevertheless, they have short half-lives in physiological conditions due to fast deactivation and degradation by enzymes and other physical and chemical reactions. Therefore, there is a great need for the suitable target delivery of nanoparticles to improve the release kinetics of growth factors as well as their therapeutic effectiveness. The main objective of this study was to develope and characterize a sustained delivery system consisting of an EGF-encapslated chitosan nanoparticles and collagen hydrogel carrier system to achieve a sustained release of EGF. In this study, we made EGF-loaded chitosan nanoparticles, which could be incorporated into an engineered collagen hydrogel scaffold. The particles were spherical in the size range of 60–100 nm. The release kinetics of EGF showed the release of growth factors in a sustained manner. Live-dead staining of human corneal epithelial (HCEC) cells was done to evaluate the cytotoxicity of the nanoparticles.

Place, publisher, year, edition, pages
John Wiley & Sons, 2013.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-101521DOI: 10.1111/j.1755-3768.2013.4235.xISI: 000336552300659OAI: oai:DiVA.org:liu-101521DiVA: diva2:666446
Conference
European Association for Vision and Eye Research (EVER-2013), 18-21 September, Nice, France
Available from: 2013-11-22 Created: 2013-11-22 Last updated: 2017-01-17Bibliographically approved

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Rafat, MehrdadLiedberg, BoGriffith, May

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Rafat, MehrdadLiedberg, BoGriffith, May
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Division of Cell BiologyFaculty of Health SciencesDepartment of Clinical and Experimental MedicineSensor Science and Molecular PhysicsThe Institute of Technology
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