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Xia J, Marthi R, Twinney J, Ghahreman A. A Review on Adsorption Mechanism of Gold Cyanide Complex onto Activation Carbon. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.04.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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González-Torres M, Serrano-Aguilar IH, Cabrera-Wrooman A, Sánchez-Sánchez R, Pichardo-Bahena R, Melgarejo-Ramírez Y, Leyva-Gómez G, Cortés H, de Los Angeles Moyaho-Bernal M, Lima E, Ibarra C, Velasquillo C. Gamma radiation-induced grafting of poly(2-aminoethyl methacrylate) onto chitosan: A comprehensive study of a polyurethane scaffold intended for skin tissue engineering. Carbohydr Polym 2021; 270:117916. [PMID: 34364636 DOI: 10.1016/j.carbpol.2021.117916] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 02/23/2021] [Accepted: 03/03/2021] [Indexed: 01/12/2023]
Abstract
A novel brush-like poly(2-aminoethyl methacrylate) (PAEMA) was grafted onto chitosan (CS) through gamma radiation-induced polymerization. The copolymer (CS-g-PAEMA) was used to prepare a sodium acetate leached poly(urethane-urea) scaffold. The above derivatives were developed, synthesized, and characterized to meet the specific characteristics of biomaterials. The results revealed that this method is an easy and successful route for grafting PAEMA onto CS. The feasibility of preparing a CS-g-PAEMA polyurethane foam was confirmed by mechanical, morphometric, spectroscopic, and cytotoxic studies. The scaffold showed high biocompatibility both in vitro and in vivo. The first experiment proved that CS-based polyurethane efficiently allows the dynamic culturing of human fibroblast cells. Additionally, an in vivo study in a murine model indicated a complete integration of the scaffold to surrounding subcutaneous tissue as supported by the histological and histochemical assessments. The aforementioned results support the use of CS-g-PAEMA poly(saccharide-urethane) as a model of in vitro-engineered skin.
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Affiliation(s)
- Maykel González-Torres
- Conacyt & Laboratorio de Biotecnología, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", 14389, Ciudad de Mexico, Mexico.
| | - Ilian Haide Serrano-Aguilar
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de Mexico, Mexico.
| | - Alejandro Cabrera-Wrooman
- Laboratorio de Tejido Conjuntivo, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", 14389, Ciudad de Mexico, Mexico.
| | - Roberto Sánchez-Sánchez
- Unidad de Ingeniería de Tejidos, Terapia celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", 14389, Ciudad de Mexico, Mexico.
| | - Raúl Pichardo-Bahena
- Servicio de Anatomía Patológica, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", 14389, Ciudad de Mexico, Mexico.
| | - Yaaziel Melgarejo-Ramírez
- Conacyt & Laboratorio de Biotecnología, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", 14389, Ciudad de Mexico, Mexico.
| | - Gerardo Leyva-Gómez
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de Mexico, Mexico.
| | - Hernán Cortés
- Laboratorio de Medicina Genómica, Departamento de Genómica, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", 14389, Ciudad de Mexico, Mexico.
| | | | - Enrique Lima
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Ciudad de México, 04510, Mexico.
| | - Clemente Ibarra
- Unidad de Ingeniería de Tejidos, Terapia celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", 14389, Ciudad de Mexico, Mexico.
| | - Cristina Velasquillo
- Conacyt & Laboratorio de Biotecnología, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", 14389, Ciudad de Mexico, Mexico.
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