1. A Facile Fabrication of Biodegradable and Biocompatible Cross-Linked Gelatin as Screen Printing Substrates
- Author
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Pei-Leun Kang, Shwu Jen Chang, Chin-Yi Yeh, Yu-Hsin Lin, Ching-Shu Yen, Kalpana Settu, Ching-Jung Chen, and Jen-Tsai Liu
- Subjects
food.ingredient ,Polymers and Plastics ,Biocompatibility ,education ,screen-printed electrode ,02 engineering and technology ,010402 general chemistry ,01 natural sciences ,Gelatin ,Article ,lcsh:QD241-441 ,gelatin ,chemistry.chemical_compound ,food ,biocompatibility ,lcsh:Organic chemistry ,medicine ,crosslinking ,Polycarbonate ,Carbodiimide ,technology, industry, and agriculture ,General Chemistry ,021001 nanoscience & nanotechnology ,0104 chemical sciences ,flexible substrate ,chemistry ,Chemical engineering ,visual_art ,Electrode ,Screen printing ,visual_art.visual_art_medium ,Glutaraldehyde ,Swelling ,medicine.symptom ,0210 nano-technology - Abstract
This study focuses on preparation and valuation of the biodegradable, native, and modified gelatin film as screen-printing substrates. Modified gelatin film was prepared by crosslinking with various crosslinking agents and the electrode array was designed by screen-printing. It was observed that the swelling ratio of C-2, crosslinked with glutaraldehyde and EDC/NHS (1-ethyl-3-(3-dimethylaminopropyl) carbodiimide/N-hydroxysuccinimide) was found to be lower (3.98%) than that of C-1 (crosslinked with only glutaraldehyde) (8.77%) and C-0 (without crosslinking) (28.15%). The obtained results indicate that the swelling ratios of both C-1 and C-2 were found to be lower than that of C-0 (control one without crosslinking). The Young&rsquo, s modulus for C-1 and C-2 was found to be 8.55 ±, 0.57 and 23.72 ±, 2.04 kPa, respectively. Hence, it was conveyed that the mechanical strength of C-2 was found to be two times higher than that of C-l, suggesting that the mechanical strength was enhanced upon dual crosslinking in this study also. The adhesion study indicates that silver ink adhesion on the gelation surface is better than that of carbon ink. In addition, the electrical response of C-2 with a screen-printed electrode (SPE) was found to be the same as the commercial polycarbonate (PC) substrate. The result of MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide) assay suggested that the silver SPE on C-2 was non-cytotoxic toward L929 fibroblast cells proliferation. The results indicated that C-2 gelatin is a promising material to act as a screen-printing substrate with excellent biodegradable and biocompatible properties.
- Published
- 2020
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