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Nanocomposite Electrospun Scaffold Based on Polyurethane/Polycaprolactone Incorporating Gold Nanoparticles and Soybean Oil for Tissue Engineering Applications

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Journal of Bionic Engineering 2023年第4期20卷 1712-1722页

作者： Nahideh Asadi Azizeh Rahmani Del Bakhshayesh Hadi Sadeghzadeh Amir Nezami Asl sharif kaamyabi Abolfazl Akbarzadeh Department of Medical Nanotechnology Faculty of Advanced Medical SciencesTabriz University of Medical SciencesTabrizIran Department of Tissue Engineering Faculty of Advanced Medical SciencesTabriz University of Medical SciencesTabrizIran Health Research Center Chamran HospitalTehranIran Department of Chemistry Farhangian UniversityTehranIran

Electrospun nanofibers combined with a wide range of functional additives can be used for a various tissue engineering applications due to their desired biomimetic and physicochemical ***,the present study was conducted to obtain a highly efficient nanocomposite electrospun scaffold with appropriate physicochemical performance and biological properties based on Polycaprolactone/Polyurethane(PCL/PU)mixed with gold nanoparticles(GNPs)and soybean oil(SO).In the present study,the desired nanofibers were fabricated by electrospinning PCL/PU mixed solution with GNPs and *** nanocomposite electrospun PU/PCL/SO/GNP nanofibers were characterized in terms of chemical composition by attenuated total reflectance-Fourier transform infrared spectroscopy(ATR-FTIR),morphological structure by field-emission scanning electron microscopy(FE-SEM),and mechanical and biological *** surface topography and wettability were determined by atomic force microscopy(AFM)and water contact angle measurements,*** was found that the presence of GNPs along with SO in the structure of PCL/PU nanofiber created a smoother surface in terms of surface roughness and also a more homogeneous fibrous *** addition,it was observed that both SO and GNPs caused an increase in the electrical conductivity of the fibrous *** the biocompatibility evaluations by measuring cell viability and cell adherence to the scaffold's surfaces,it was found that adding of SO and GNPs supports *** together,the fabricated nanocomposite fibrous scaffolds can be a potential candidate for various tissue engineering purposes.

关键词： Polycaprolactone Polyurethane Gold nanoparticles Soy oil Bionic

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Fe_3O_4纳米粒子作为高效、可重复使用催化剂用于无溶剂条件下合成9,9-二甲基-9,10-二氢-8H-苯并[α]占吨11(12H)-酮（英文）

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催化学报 2015年第3期36卷 362-366页

作者： Davood Habibi sharif kaamyabi Hasan Hazarkhani Department of Organic Chemistry Faculty of ChemistryBu‐Ali Sina UniversityHamedan ***Iran Department of Educational Chemistry Research and Planning OrganizationTehranIran

A simple and efficient method for the synthesis of 9,9‐dimethyl‐9,10‐dihydro‐8H‐benzo‐[α]xanthen‐11(12)‐one derivatives (DDBXs) was developed by the condensation reaction of various substituted aryl aldehydes with 2‐naphthol and dimedone using Fe3O4 magnetic nanoparticles (MNPs) as a heterogeneous catalyst under solvent‐free conditions at 90–110 °*** experimental procedure is very simple,the products are formed in high yields and the catalyst is easily separated by applying an external magnetic field.

关键词：纳米Fe3O4 无溶剂合成催化剂开发酮衍生物可重复使用二氢二甲基磁性纳米粒子

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