Sustainable Quercetin@Functionalized Carbon Nanotubes as Semi-TCFsAnd/Or 3D Printing Inks in Presence of Gelatin

M. Fares, Samah Radaydeh
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Abstract

Semi-Transparent conductive films (semi-TCFs) were fabricated from sustainable onion quercetin and functionalized carbon nanotubes (F-CNTs) in presence of different metal ion crosslinking agents via layer-by-layer technique. Moreover, 3D printing inks and injectable hydrogels were fabricated from sustainable onion quercetin and functionalized carbon nanotubes (F-CNTs) in presence gelatin. Synthesis and characterization of sustainable quercetin and functionalized CNTs were performed using spectroscopic, thermal, microscopic techniques; 1H-NMR, and ATR-FTIR for chemical structure, XRD for crystal structure, TGA and DTG for thermal stability, and SEM for morphologic nanostructure. Layer-by-layer semi-TCFs were fabricated in presence of crosslinking agent of metal ions like Ca2+, Ti2+, Sn2+, and Fe3+ ions, where transmittance was in the range of 41-67%, sheet resistance in 17-1567 kΩ/sq, and σdc/σop in 0.0005-0.02 range, which undoubtly confirm their semi-TCFs characteristics. Optimum performance of single-layer F-CNTs semi-TCFs was as follows; transmittance= 46.6%, sheet resistance= 6.5 kΩ/sq, and σdc/σop= 0.06. On the other hand, 3D printing ink of sustainable quercetin and Functionalized CNTs in presence of gelatin was fabricated. Semi-Interpenetrating network hydrogel was verified through spectroscopic ATR-FTIR technique. The injectable hydrogel showed promising characteristics of robustness, elasticity, anti-microbial activity, biocompatibility with human body, and stretchable low cost that adapt them to be successfully employed in biomedical and surgical applications.
可持续Quercetin@Functionalized碳纳米管作为半tcfs和/或3D打印油墨在明胶的存在
以可持续洋葱槲皮素和功能化碳纳米管(F-CNTs)为原料,在不同金属离子交联剂的作用下,采用逐层制备了半透明导电薄膜。此外,用可持续洋葱槲皮素和含有明胶的功能化碳纳米管(F-CNTs)制备了3D打印油墨和可注射水凝胶。利用光谱、热、显微等技术对可持续槲皮素和功能化碳纳米管进行了合成和表征;1H-NMR和ATR-FTIR用于化学结构分析,XRD用于晶体结构分析,TGA和DTG用于热稳定性分析,SEM用于形貌纳米结构分析。在Ca2+、Ti2+、Sn2+、Fe3+等金属离子交联剂的作用下,制备出了一层一层的半tcf,透射率在41 ~ 67%之间,片电阻在17 ~ 1567 kΩ/sq之间,σdc/σop在0.0005 ~ 0.02之间,充分证实了其半tcf的特性。单层F-CNTs半tcf的最佳性能为:透光率为46.6%,片材电阻为6.5 kΩ/sq, σdc/σop= 0.06。另一方面,制备了在明胶存在下槲皮素和功能化碳纳米管的3D打印油墨。通过ATR-FTIR光谱技术对半互穿网状水凝胶进行了验证。该可注射水凝胶具有坚固性、弹性、抗菌活性、与人体的生物相容性、可拉伸性和低成本等优点,在生物医学和外科领域具有广阔的应用前景。
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