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Pourhajrezaei S, Abbas Z, Khalili MA, Madineh H, Jooya H, Babaeizad A, Gross JD, Samadi A. Bioactive polymers: A comprehensive review on bone grafting biomaterials. Int J Biol Macromol 2024; 278:134615. [PMID: 39128743 DOI: 10.1016/j.ijbiomac.2024.134615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 08/07/2024] [Accepted: 08/07/2024] [Indexed: 08/13/2024]
Abstract
The application of bone grafting materials in bone tissue engineering is paramount for treating severe bone defects. In this comprehensive review, we explore the significance and novelty of utilizing bioactive polymers as grafts for successful bone repair. Unlike metals and ceramics, polymers offer inherent biodegradability and biocompatibility, mimicking the native extracellular matrix of bone. While these polymeric micro-nano materials may face challenges such as mechanical strength, various fabrication techniques are available to overcome these shortcomings. Our study not only investigates diverse biopolymeric materials but also illuminates innovative fabrication methods, highlighting their importance in advancing bone tissue engineering.
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Affiliation(s)
- Sana Pourhajrezaei
- Department of biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Zahid Abbas
- Department of Chemistry, University of Bologna, Bologna, Italy
| | | | - Hossein Madineh
- Department of Polymer Engineering, University of Tarbiat Modares, Tehran, Iran
| | - Hossein Jooya
- Biochemistry group, Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Ali Babaeizad
- Faculty of Medicine, Semnan University of Medical Science, Semnan, Iran
| | - Jeffrey D Gross
- ReCELLebrate Regenerative Medicine Clinic, Henderson, NV, USA
| | - Ali Samadi
- Department of Basic Science, School of Medicine, Bam University of Medical Sciences, Bam, Iran.
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Wang H, Tan S, Su Z, Li M, Hao X, Peng F. Perforin-Mimicking Molecular Drillings Enable Macroporous Hollow Lignin Spheres for Performance-Configurable Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311073. [PMID: 38199249 DOI: 10.1002/adma.202311073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/03/2023] [Indexed: 01/12/2024]
Abstract
Despite the first observations that the perforin can punch holes in target cells for live/dead cycles in the human immune system over 110 years ago, emulating this behavior in materials science remains challenging. Here, a perforin-mimicking molecular drilling strategy is employed to engineer macroporous hollow lignin spheres as performance-configurable catalysts, adhesives, and gels. Using a toolbox of over 20 molecular compounds, the local curvature of amphiphilic lignin is modulated to generate macroporous spheres with hole sizes ranging from 0 to 100 nm. Multiscale control is precisely achieved through noncovalent assembly directing catalysis, synthesis, and polymerization. Exceptional performance mutations correlate with the changes in hole size, including an increase in catalytic efficiency from 50% to 100%, transition from nonstick synthetics to ultrastrong adhesives (adhesion ≈18.3 MPa, exceeding that of classic epoxies), and transformation of viscous sols to tough nanogels. Thus, this study provides a robust and versatile noncovalent route for mimicking perforin-induced structural variations in cells, representing a significant stride toward the exquisite orchestration of assemblies over multiple length scales.
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Affiliation(s)
- Hairong Wang
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Energy, Beijing Forestry University, Beijing, 100083, China
| | - Shujun Tan
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Energy, Beijing Forestry University, Beijing, 100083, China
| | - Zhenhua Su
- China National Pulp and Paper Research Institute, Beijing, 100102, China
| | - Mingfei Li
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Energy, Beijing Forestry University, Beijing, 100083, China
| | - Xiang Hao
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Energy, Beijing Forestry University, Beijing, 100083, China
| | - Feng Peng
- Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Energy, Beijing Forestry University, Beijing, 100083, China
- State Key Laboratory of Efficient Production of Forest Resources, Beijing, 100083, China
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Xiong W, Li X, Ye X, Huang T, Feng X, Huang Z, Ye S, Ren X, Zhang Q, Liu J. Synthesis of V-notched half-open polymer microspheres via facile solvent-tuned self-assembly. NEW J CHEM 2021. [DOI: 10.1039/d1nj02279b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Polymer microspheres with a special V-notched half-open architecture were synthesized in a mixed solvent of water/ethanol (1 : 1 v/v) at room temperature.
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Kim G, Jin S. Hydrochannel-Containing Hydrophobic Polymers by Inverse Emulsion Polymerization for Moisture-Driven Actuators. ACS APPLIED MATERIALS & INTERFACES 2020; 12:55223-55230. [PMID: 33226205 DOI: 10.1021/acsami.0c14151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Two physical properties in polymers, hydrophobic and water-absorptive, are known to be incompatible. However, human skin in nature has a hydrophobic surface and yet absorbs water throughout hydrophilic amino acid sequences in filaggrin, one of the abundant proteins in our outermost skin layer. Although present in nature, a hydrophilic path network in a hydrophobic polymer is difficult to synthesize because of poor wettability and immiscibility between the two types of materials. Herein, we introduce a novel method for the creation of a hydrophobic absorptive polymer (HPHG), which overcomes the inherent incompatibility by increasing hydrophobicity of reaction sites in hydrophilic monomers. The methacrylate structure in hydrophilic monomers successfully contributes to stabilize reverse emulsions, which consist of polyethyleneglycol (PEG) methacrylate and polyethyleneglycol (PEG) dimethacrylate, in a hydrophobic matrix of polymethylhydrosiloxane and divinylpolydimethylsiloxane (PDMS material sources). The HPHG film (with a 11 weight percent water content) shows water repellency having over 100° contact angle with a water droplet and yet is capable of absorbing water by 19.1 weight percent while maintaining decent hydrophobicity on the surface (78° water contact angle). We have successfully demonstrated a moisture-driven actuator by constructing a bilayer of HPHG and PDMS (or a textile), which is delamination-free and transforms into a curvature geometry by a preferential expansion of the HPHG layer. HPHG is applicable for soft robotics and smart actuators where a hydrophobic artificial skin is needed to protect the surface against hydrophilic invasions of undesirable substances such as metal ions, bacteria, or viruses but absorptive for desirable evaporation and mobility by water migration in the polymer matrix.
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Affiliation(s)
- Gunwoo Kim
- Materials Science and Engineering Program, University of California, San Diego, 9500 Gilman Dr., La Jolla, California 92093, United States
| | - Sungho Jin
- Materials Science and Engineering Program, University of California, San Diego, 9500 Gilman Dr., La Jolla, California 92093, United States
- Department of Mechanical & Aerospace Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, California 92093, United States
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Kim G, Park K, Zheng Z, Choi S, Jin S. Cross-Linker-Controlled Ostwald Ripening in Emulsion Polymerization of Hollow Copolymer Nanoparticles. J Phys Chem B 2020; 124:10276-10281. [PMID: 33125244 DOI: 10.1021/acs.jpcb.0c07814] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We propose a synthesis method for hollow copolymer nanoparticles, in which the size is controllable by the wettability of the materials designed by relative energy difference (RED). We investigated the influence of cross-linkers in RED and the hollow polymer nanoparticle synthesis. The size of the nanoparticles was characterized by scanning electron microscopy and transmission electron microscopy images. The diameter size of the hollow copolymer (styrene-co-methyl methacrylate) changes from 400 to 141 nm and the average core-vacancy sizes changes from 330 to 71 nm as increasing the feed ratio of the cross-linker, divinyl benzene, from 0.07 to 0.43. Cross-linkers in polymerization precipitates a polymerization reaction to produce seed copolymer particles quickly. The seed copolymer is a more transferrable medium through the surfactants across emulsion droplets and inhibits emulsion growth by unstable concentration variations of seed copolymers in emulsions. Therefore, Ostwald ripening was reduced by a higher feeding ratio of the cross-linker in the copolymer, which tends to produce smaller sized hollow nanoparticles.
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Affiliation(s)
- Gunwoo Kim
- Material Sciences & Engineering Program, University of California, San Diego, 9500 Gilman Dr., La Jolla, California 92093, United States.,NanoSD Inc., 11575 Sorrento Valley Rd., Suite 211, San Diego, California 92121, United States
| | - Kyuin Park
- NanoSD Inc., 11575 Sorrento Valley Rd., Suite 211, San Diego, California 92121, United States
| | - Zengwei Zheng
- NanoSD Inc., 11575 Sorrento Valley Rd., Suite 211, San Diego, California 92121, United States
| | - Seongcheol Choi
- Material Sciences & Engineering Program, University of California, San Diego, 9500 Gilman Dr., La Jolla, California 92093, United States
| | - Sungho Jin
- Material Sciences & Engineering Program, University of California, San Diego, 9500 Gilman Dr., La Jolla, California 92093, United States.,Department of Mechanical & Aerospace Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, California 92093, United States.,NanoSD Inc., 11575 Sorrento Valley Rd., Suite 211, San Diego, California 92121, United States
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