Abstract：
:Poly(N-isopropylacrylamide) (PNIPAm) is widely used to fabricate cell sheet surfaces for cell culturing, however copolymer and interpenetrated polymer networks based on PNIPAm have been rarely explored in the context of tissue engineering. Many complex and expensive techniques have been employed to produce PNIPAm-based films for cell culturing. Among them, spin coating has demonstrated to be a rapid fabrication process of thin layers with high reproducibility and uniformity. In this study, we introduce an innovative approach to produce anchored smart thin films both thermo- and electro-responsive, with the aim to integrate them in electronic devices and better control or mimic different environments for cells in vitro. Thin films were obtained by spin coating of colloidal solutions made by PNIPAm and PAAc nanogels. Anchoring the films to the substrates was obtained through heat treatment in the presence of dithiol molecules. From analyses carried out with AFM and XPS, the final samples exhibited a flat morphology and high stability to water washing. Viability tests with cells were finally carried out to demonstrate that this approach may represent a promising route to integrate those hydrogels films in electronic platforms for cell culture applications.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Sanzari I,Buratti E,Huang R,Tusan CG,Dinelli F,Evans ND,Prodromakis T,Bertoldo Mdoi
10.1038/s41598-020-63228-9subject
Has Abstractpub_date
2020-04-09 00:00:00pages
6126issue
1issn
2045-2322pii
10.1038/s41598-020-63228-9journal_volume
10pub_type
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