1
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Luo Y, Gu Z, Perez-Aguilar JM, Liao W, Huang Y, Luo Y. Moderate binding of villin headpiece protein to C 3N 3 nanosheet reveals the suitable biocompatibility of this nanomaterial. Sci Rep 2023; 13:13783. [PMID: 37612444 PMCID: PMC10447452 DOI: 10.1038/s41598-023-41125-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 08/22/2023] [Indexed: 08/25/2023] Open
Abstract
Since its recent successful synthesis and due to its promising physical and chemical properties, the carbon nitrite nanomaterial, C3N3, has attracted considerable attention in various scientific areas. However, thus far, little effort has been devoted to investigating the structural influence of the direct interaction of this 2D nanomaterial and biomolecules, including proteins and biomembranes so as to understand the physical origin of its bio-effect, particularly from the molecular landscape. Such information is fundamental to correlate to the potential nanotoxicology of the C3N3 nanomaterial. In this work, we explored the potential structural influence of a C3N3 nanosheet on the prototypical globular protein, villin headpiece (HP35) using all-atom molecular dynamics (MD) simulations. We found that HP35 could maintain its native conformations upon adsorption onto the C3N3 nanosheet regardless of the diversity in the binding sites, implying the potential advantage of C3N3 in protecting the biomolecular structure. The adsorption was mediated primarily by vdW interactions. Moreover, once adsorbed on the C3N3 surface, HP35 remains relatively fixed on the nanostructure without a distinct lateral translation, which may aid in keeping the structural integrity of the protein. In addition, the porous topological structure of C3N3 and the special water layer present on the C3N3 holes conjointly contributed to the restricted motion of HP35 via the formation of a high free energy barrier and a steric hindrance to prevent the surface displacement. This work revealed for the first time the potential influence of the 2D C3N3 nanomaterial in the protein structure and provided the corresponding in-depth molecular-level mechanism, which is valuable for future applications of C3N3 in bionanomedicine.
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Affiliation(s)
- Yuqi Luo
- Department of Gastrointestinal and Hepatobiliary Surgery, Shenzhen Longhua District Central Hospital, No. 187, Guanlan Road, Longhua District, Shenzhen, 518110, Guangdong, China.
| | - Zonglin Gu
- College of Physical Science and Technology, Yangzhou University, Jiangsu, 225009, China
| | - Jose Manuel Perez-Aguilar
- School of Chemical Sciences, Meritorious Autonomous University of Puebla (BUAP), 72570, University City, Puebla, Mexico
| | - Weihua Liao
- Department of Radiology, Guangzhou Nansha District Maternal and Child Health Hospital, No. 103, Haibang Road, Nansha District, Guangzhou, 511457, Guangdong, China
| | - Yiwen Huang
- Department of Emergency, Nansha Hospital, Guangzhou First People's Hospital, Guangzhou, Guangdong, China
| | - Yanbo Luo
- Department of Gastrointestinal and Hepatobiliary Surgery, Shenzhen Longhua District Central Hospital, No. 187, Guanlan Road, Longhua District, Shenzhen, 518110, Guangdong, China
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2
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Wang Z, Fu C, Gao Y, Wu Z, Chen W, Hu B, Xu S, Zhang Z, Yang P. Dual functional antifouling and bactericidal proteinaceous coating. Colloids Surf B Biointerfaces 2023; 225:113239. [PMID: 36889106 DOI: 10.1016/j.colsurfb.2023.113239] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/26/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023]
Abstract
Coatings with both anti-fouling and bactericidal functions are used in many fields. In this work, lysozyme (Lyso) and poly (2-Methylallyloxyethyl phosphorylcholine) (PMPC) conjugate (Lyso-PMPC) is successfully designed and synthesized for the first time. A new nanofilm (PTL-PMPC) is then obtained by phase transition of lysozyme via the reduction of disulfide bonds in Lyso-PMPC. Benefit from lysozyme amyloid-like aggregates as surface anchors, the nanofilm shows excellent stability, it remains unchanged after treatment under extreme conditions such as ultrasonic and 3 M tape peeling. Due to the presence of zwitterionic polymer (PMPC) brush, the PTL-PMPC film has excellent antifouling properties against cell, bacterium, fungi, proteins, biofluids, phosphatide, polyose, esters, and carbohydrates. Meanwhile, the PTL-PMPC film is colourless and transparent. Further, a new coating (PTL-PMPC/PHMB) is fabricated by hybridizing PTL-PMPC with poly (hexamethylene biguanide) (PHMB). This coating had excellent antibacterial properties, and the antibacterial rate against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) is more than 99.99%. In addition, the coating exhibit good hemocompatibility and low cytotoxicity.
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Affiliation(s)
- Zhengge Wang
- College of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066600, China
| | - Chengyu Fu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710072, China
| | - Yingtao Gao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710072, China
| | - Zhaoji Wu
- College of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066600, China
| | - Weiqing Chen
- College of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066600, China
| | - Bowen Hu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710072, China
| | - Siqi Xu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710072, China
| | - Zhigang Zhang
- College of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066600, China.
| | - Peng Yang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710072, China.
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3
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Bakhtkhosh Hagh H, Unsworth LD, Olad A. Evaluating the effect of graphene oxide PEGylation on the properties of chitosan-graphene oxide nanocomposite scaffold. J Biomed Mater Res B Appl Biomater 2022; 110:2353-2368. [PMID: 35543538 DOI: 10.1002/jbm.b.35082] [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: 02/21/2022] [Revised: 04/07/2022] [Accepted: 04/18/2022] [Indexed: 11/09/2022]
Abstract
In this study, graphene oxide (GO) was functionalized with polyethylene glycol (PEG) to understand the effect of PEGlayted GO on properties of chitosan-based nanocomposite scaffold. GO was synthesized according to modified Hummer's method and covalently linked to polymeric chains of PEG to produce polyethylene glycolated GO (PGO). Successful preparation of GO and PGO was confirmed by FT-IR and Raman techniques, where the chemical bonding of PEG and GO nanosheets were concluded based on PGOs' lower zeta potential compared to GO. Nanocomposite scaffolds were prepared by adding equal amounts of GO and PGO into 2% (w/v) chitosan (Cs) solutions. The highly porous scaffolds were developed by lyophilization of solutions. Incorporation of GO and PGO into chitosan scaffold network resulted in uniform and spherical pores. Modified samples offered higher porosity and density, indicating adequate scaffold structure. Improvements in the physical properties of prepared chitosan scaffolds were concluded through higher water absorption and retention values. Compressive strength measurement showed 6.33 and 5.5 times improvement respectively for Cs-GO and Cs-PGO samples compared to Cs scaffold. The Cs-GO scaffolds showed minimum susceptibility toward enzymatic degradation and higher degrees of protein adsorption (26% and 23% improvement in value of adsorbed protein respectively for Cs-GO and Cs-PGO compared to Cs scaffold) and biomineral formation on scaffold surface. Also, Cs-PGO sample showed the highest degree of cell viability and lower hemolysis than both Cs and Cs-GO scaffolds. Investigations showed that cell infiltration into scaffold porous structure was more prominent in Cs-PGO scaffolds than in Cs and Cs-GO scaffolds.
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Affiliation(s)
- Haleh Bakhtkhosh Hagh
- Polymer Composite Research Laboratory, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.,Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, Canada
| | - Larry D Unsworth
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, Canada
| | - Ali Olad
- Polymer Composite Research Laboratory, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
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4
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Wang L, Gong T, Ming W, Qiao X, Ye W, Zhang L, Pan C. One step preparation of multifunctional poly (ether sulfone) thin films with potential for wound dressing. BIOMATERIALS ADVANCES 2022; 136:212758. [PMID: 35929327 DOI: 10.1016/j.bioadv.2022.212758] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/21/2022] [Accepted: 03/10/2022] [Indexed: 06/15/2023]
Abstract
The increasing demand for higher-quality medical care has resulted in the obsolescence of traditional biomaterials. Medical care is currently transitioning from an era depending on single-functional biomaterials to one that is supported by multifunctional and stable biomaterials. Herein, long-lasting multifunctional poly(ether sulfone) thin films (MPFs) containing heparin-mimic groups and a quaternary ammonium compound (QAC) were prepared via semi-interpenetrating polymer network (SIPN) strategy. The MPFs, with rough surface and inner finger-like macrovoid, had better hydrophilicity and anti-protein fouling ability, as revealed by scanning electron microscopy (SEM), atomic force microscope (AFM) and water contact angle (WCA) and protein adsorption tests. The results of platelet adhesion and activation, and clotting time confirmed that the hemocompatibility of the MPFs was significantly improved. From cell culture and germ-culture test, it was noted that the overall trend of human umbilical vein endothelial cell (HUVEC) proliferation was enhanced by a combination of heparin-mimic groups and QAC, whereas the growth of Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) was significantly prohibited. In addition, the MPFs were capable of modulating the expression level of basic fibroblast growth factor (bFGF) and transforming growth factor-beta1 (TGF-β1) in fibroblast, which was beneficial to controlling the formation of hypertrophic scar. In summary, the MPFs had potential to be used in the field of wound management and the study might help guide the design of surface structure of wound dressing.
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Affiliation(s)
- Lingren Wang
- Jiangsu Provincial Key Laboratory for Interventional Medical Devices, Huaiyin Institute of Technology, Huaian, China; Department of Chemistry and Biochemistry, Georgia Southern University, Statesboro, United States.
| | - Tao Gong
- Jiangsu Provincial Key Laboratory for Interventional Medical Devices, Huaiyin Institute of Technology, Huaian, China
| | - Weihua Ming
- Department of Chemistry and Biochemistry, Georgia Southern University, Statesboro, United States
| | - Xinglong Qiao
- Jiangsu Provincial Key Laboratory for Interventional Medical Devices, Huaiyin Institute of Technology, Huaian, China
| | - Wei Ye
- Jiangsu Provincial Key Laboratory for Interventional Medical Devices, Huaiyin Institute of Technology, Huaian, China
| | - Linna Zhang
- Jiangsu Provincial Key Laboratory for Interventional Medical Devices, Huaiyin Institute of Technology, Huaian, China
| | - ChangJiang Pan
- Jiangsu Provincial Key Laboratory for Interventional Medical Devices, Huaiyin Institute of Technology, Huaian, China.
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5
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Fluorinated graphene nanomaterial causes potential mechanical perturbations to a biomembrane. J Mol Model 2022; 28:49. [DOI: 10.1007/s00894-022-05040-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 01/22/2022] [Indexed: 10/19/2022]
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6
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Xu Z, Li Y, Xu D, Li L, Xu Y, Chen L, Liu Y, Sun J. Improvement of mechanical and antibacterial properties of porous nHA scaffolds by fluorinated graphene oxide. RSC Adv 2022; 12:25405-25414. [PMID: 36199313 PMCID: PMC9450491 DOI: 10.1039/d2ra03854d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/28/2022] [Indexed: 12/02/2022] Open
Abstract
Nano-hydroxyapatite (nHA) is widely used as a bio-scaffold material due to its good bioactivity and biocompatibility. In this study, fluorinated graphene oxide (FG) was added to nHA to improve its poor formability, weak mechanical properties, undesirable antimicrobial activity and other disadvantages that affect its clinical application. FG was synthesized by a simple hydrothermal method. Novel porous composite scaffolds were prepared by adding different weight ratios (0.1 wt%, 0.5 wt% and 1 wt%) of FG to nHA using the 3D printing technique. The morphology, phase composition and mechanical properties of the composite scaffolds were characterized. In addition, the degradation performance of the composite scaffolds, antibacterial activity against Staphylococcus aureus and Escherichia coli, and cytocompatibility were also investigated. The results showed that the nHA/FG composite scaffold was successfully prepared with a uniform distribution of FG on the scaffold. The mechanical properties showed that the compression strength of the nHA/FG composite scaffold was significantly higher than that of the nHA scaffold (7.22 ± 1.43 MPa). The porosity of all composite scaffolds was above 70%. The addition of FG significantly improved the mechanical properties of the nHA scaffold without affecting the porosity of the scaffold. In addition, the 0.5 wt% nHA/FG scaffold exhibited satisfactory cytocompatibility and antibacterial properties. Therefore, the constructed nHA/FG composite scaffold can be considered as a novel antimicrobial bone substitute material with good application prospects. Nano-hydroxyapatite (nHA) is widely used as a bio-scaffold material. In this study, fluorinated graphene oxide (FG) was added to nHA to improve its poor formability, weak mechanical properties and undesirable antimicrobial activity that affect its clinical application.![]()
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Affiliation(s)
- Zexian Xu
- The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
| | - Yali Li
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Dian Xu
- The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
| | - Li Li
- The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
| | - Yaoxiang Xu
- The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
- Dental Digital Medicine & 3D Printing Engineering Laboratory of Qingdao, Qingdao, China
| | - Liqiang Chen
- The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
| | - Yanshan Liu
- The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
- Dental Digital Medicine & 3D Printing Engineering Laboratory of Qingdao, Qingdao, China
- Shandong Provincial Key Laboratory of Digital Medicine and Computer-Assisted Surgery, Qingdao, China
| | - Jian Sun
- The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
- Dental Digital Medicine & 3D Printing Engineering Laboratory of Qingdao, Qingdao, China
- Shandong Provincial Key Laboratory of Digital Medicine and Computer-Assisted Surgery, Qingdao, China
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7
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Li J, Zeng H, Zeng Z, Zeng Y, Xie T. Promising Graphene-Based Nanomaterials and Their Biomedical Applications and Potential Risks: A Comprehensive Review. ACS Biomater Sci Eng 2021; 7:5363-5396. [PMID: 34747591 DOI: 10.1021/acsbiomaterials.1c00875] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Graphene-based nanomaterials (GBNs) have been the subject of research focus in the scientific community because of their excellent physical, chemical, electrical, mechanical, thermal, and optical properties. Several studies have been conducted on GBNs, and they have provided a detailed review and summary of various applications. However, comprehensive comments on biomedical applications and potential risks and strategies to reduce toxicity are limited. In this review, we systematically summarized the following aspects of GBNs in order to fill the gaps: (1) the history, synthesis methods, structural characteristics, and surface modification; (2) the latest advances in biomedical applications (including drug/gene delivery, biosensors, bioimaging, tissue engineering, phototherapy, and antibacterial activity); and (3) biocompatibility, potential risks (toxicity in vivo/vitro and effects on human health and the environment), and strategies to reduce toxicity. Moreover, we have analyzed the challenges to be overcome in order to enhance application of GBNs in the biomedical field.
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Affiliation(s)
- Jie Li
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.,School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China.,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicine of Zhejiang Province, Hangzhou, Zhejiang 311121, China.,Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou, Zhejiang 311121, China
| | - Huamin Zeng
- Chengdu Ping An Healthcare Medical Examination Laboratory, Chengdu, Sichuan 611130, China
| | - Zhaowu Zeng
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China.,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicine of Zhejiang Province, Hangzhou, Zhejiang 311121, China.,Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou, Zhejiang 311121, China
| | - Yiying Zeng
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China.,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicine of Zhejiang Province, Hangzhou, Zhejiang 311121, China.,Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou, Zhejiang 311121, China
| | - Tian Xie
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.,School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China.,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicine of Zhejiang Province, Hangzhou, Zhejiang 311121, China.,Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou, Zhejiang 311121, China
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8
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Liu R, Wang E, Guo Y, Zhou Q, Zheng Y, Zhai J, Zhang K, Zhang B. Enhanced antibacterial properties and promoted cell proliferation in glass ionomer cement by modified with fluorinated graphene-doped. J Appl Biomater Funct Mater 2021; 19:22808000211037487. [PMID: 34428976 DOI: 10.1177/22808000211037487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
In this study, we aimed to improve the properties of conventional glass ionomer cement (GIC), including mechanical properties, wear resistance, antibacterial properties and biological activity, by adding fluorinated graphene (FG). Composites of synthesised FG and GIC were examined after being combined at different mass proportions (0, 0.5, 1.0 and 2.0 wt%). The microstructure and morphology of FG prepared via the hydrothermal method was characterised using scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The FG/GIC composite was obtained through the blending method and characterised using SEM. Then, the Vickers microhardness and the wear property of the FG/GIC composite-imitated brushing was measured. The plate count and dilution methods (10-fold) were adopted to investigate the antibacterial properties of FG/GIC by incubating Escherichia coli and Staphylococcus aureus. The biocompatibility of FG/GIC containing the adhesion and cytotoxicity of mouse fibroblast cells (L929) was estimated by the MTT and acridine orange (AO) fluorescent staining. Our results demonstrated that the hardness and abrasive wear resistance of the composites increased, and the microhardness parameter changes exhibited a gradual increase as the concentration continued to increase. A 2.0 wt% FG concentration could effectively improve the bacterial inhibition performance of GIC and was directly proportional to the concentration of FG. The composite materials showed no apparent cytotoxicity on normal L929 cells compared to the control group, and the materials exhibited no cytotoxic effect compared to traditional GIC. Thus, FG/GIC has potential therapeutic value in the field of dental treatment.
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Affiliation(s)
- Ruimin Liu
- Department of Oral and Maxillofacial Surgery, Gansu Provincial Hospital, Lanzhou, PR China
| | - Errui Wang
- Department of Stomatology, Lanzhou University, Lanzhou, PR China
| | - Yumeng Guo
- Department of Stomatology, Lanzhou University, Lanzhou, PR China
| | - Qiaozhen Zhou
- Department of Stomatology, Lanzhou University, Lanzhou, PR China
| | - Yayuan Zheng
- Department of Stomatology, Lanzhou University, Lanzhou, PR China
| | - Junkai Zhai
- Department of Stomatology, Lanzhou University, Lanzhou, PR China
| | - Kailiang Zhang
- Department of Stomatology, Lanzhou University, Lanzhou, PR China
| | - Baoping Zhang
- Department of Stomatology, Lanzhou University, Lanzhou, PR China.,Institute of Biomechanics and Medical Engineering, Lanzhou University, Lanzhou, PR China
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9
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Zadeh Mehrizi T, Amini Kafiabad S. Evaluation of the effects of nanoparticles on the therapeutic function of platelet: a review. J Pharm Pharmacol 2021; 74:179-190. [PMID: 34244798 DOI: 10.1093/jpp/rgab089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 06/17/2021] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Nanotechnology and nanoparticles are used in different applications in disease monitoring and therapy in contact with blood. Nanoparticles showed different effects on blood components and reduced or improved the function of therapeutic platelet during the storage time. This review study was performed to evaluate the impacts of various sizes and charges of nanoparticles on platelet function and storage time. The present review contains the literature between 2010 and 2020. The data have been used from different sites such as PubMed, Wiley, ScienceDirect and online electronic journals. KEY FINDINGS From the literature survey, it has been demonstrated that among various properties, size and charge of nanoparticles were critical on the function of therapeutic platelet during the storage and inhibition of their aggregation. Overall, this study described that nanoparticles with smaller size and negative charge were more effective in increasing the survival time, inhibition of aggregation and improving the function of therapeutic platelet. SUMMARY Based on the current review, it can be confirmed that nanoparticles such as dendrimer, Au, Ag and iron oxide nanoparticles with smaller size and negative charge have significant advantages for improving the efficacy of platelets during the storage chain and inhibition of their aggregation.
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Affiliation(s)
- Tahereh Zadeh Mehrizi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Sedigheh Amini Kafiabad
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
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10
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Song S, Liu Z, Abubaker MA, Ding L, Zhang J, Yang S, Fan Z. Antibacterial polyvinyl alcohol/bacterial cellulose/nano-silver hydrogels that effectively promote wound healing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 126:112171. [PMID: 34082972 DOI: 10.1016/j.msec.2021.112171] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 02/22/2021] [Accepted: 05/03/2021] [Indexed: 12/14/2022]
Abstract
The lack of antibacterial properties limits the application of bacterial cellulose hydrogels in wound dressings. To overcome this deficiency, silver nanoparticles (AgNPs) were introduced as antibacterial agents into a polyvinyl alcohol (PVA)/bacterial cellulose (BC) solution. A freeze-thaw method promoted formation of PVA/BC/Ag hydrogels and improved their mechanical properties. The physicochemical and biological properties of this hydrogel were systematically characterized. Those results showed the hydrogels contained a porous three-dimensional reticulum structure and had high mechanical properties. Also, the hydrogels possessed outstanding antibacterial properties and good biocompatibilities. More importantly, it effectively repaired wound defects in mice models and wound healing reached 97.89% within 15 days, and far exceeded other groups and indicated its potential for use in wound treatment applications.
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Affiliation(s)
- Shen Song
- College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China; New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China.
| | - Zhao Liu
- Orthopaedic Institute, Department of Orthopaedic Surgery, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu 215006, China
| | - Mohamed Aamer Abubaker
- New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China; Department of Biology, Faculty of Education, University of Khartoum, Khartoum, 11111, Sudan
| | - Ling Ding
- New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China
| | - Ji Zhang
- New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China.
| | - Shengrong Yang
- College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Zengjie Fan
- School of Stomatology, Lanzhou University, Lanzhou 730000, China
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11
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Zhao M, Shi J, Cai W, Liu K, Shen K, Li Z, Wang Y, Hu D. Advances on Graphene-Based Nanomaterials and Mesenchymal Stem Cell-Derived Exosomes Applied in Cutaneous Wound Healing. Int J Nanomedicine 2021; 16:2647-2665. [PMID: 33854313 PMCID: PMC8040697 DOI: 10.2147/ijn.s300326] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/27/2021] [Indexed: 12/15/2022] Open
Abstract
Graphene is a new type of carbon nanomaterial discovered after fullerene and carbon nanotube. Due to the excellent biological properties such as biocompatibility, cell proliferation stimulating, and antibacterial properties, graphene and its derivatives have become emerging candidates for the development of novel cutaneous wound dressings and composite scaffolds. On the other hand, pre-clinical research on exosomes derived from mesenchymal stem cells (MSC-Exos) has been intensified for cell-free treatment in wound healing and cutaneous regeneration, via ameliorating the damaged microenvironment of the wound site. Here, we provide a comprehensive understanding of the latest studies and observations on the various effects of graphene-based nanomaterials (GBNs) and MSC-Exos during the cutaneous wound repair process, as well as the putative mechanisms thereof. In addition, we propose the possible forward directions of GBNs and MSC-Exos applications, expecting to promote the clinical transformation.
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Affiliation(s)
- Ming Zhao
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, Shannxi, 710032, People’s Republic of China
| | - Jihong Shi
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, Shannxi, 710032, People’s Republic of China
| | - Weixia Cai
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, Shannxi, 710032, People’s Republic of China
| | - Kaituo Liu
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, Shannxi, 710032, People’s Republic of China
| | - Kuo Shen
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, Shannxi, 710032, People’s Republic of China
| | - Zichao Li
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, Shannxi, 710032, People’s Republic of China
| | - Yunchuan Wang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, Shannxi, 710032, People’s Republic of China
| | - Dahai Hu
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, Shannxi, 710032, People’s Republic of China
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12
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Zhang Y, Kang K, Zhu N, Li G, Zhou X, Zhang A, Yi Q, Wu Y. Bottlebrush-like highly efficient antibacterial coating constructed using α-helical peptide dendritic polymers on the poly(styrene- b-(ethylene- co-butylene)- b-styrene) surface. J Mater Chem B 2021; 8:7428-7437. [PMID: 32662494 DOI: 10.1039/d0tb01336f] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Infectious diseases induced by pathogenic bacteria are the major causes for the failure of medical implants. Meanwhile, the drug-resistance is steadily developed because of the large and even inappropriate use of antibiotics. Therefore, the development of antibacterial coating with non-antibiotic-based agents on the surfaces of medical implants and devices has been an urgent need. Herein, we propose a bottlebrush-like antibacterial coating on a poly(styrene-b-(ethylene-co-butylene)-b-styrene) (SEBS) triblock copolymer surface by UV-induced graft polymerization of poly(ethylene glycol) (PEG) acrylate terminated poly(lysine dendrimer). This PEG-conjugated antibacterial polymer possessed a substructure of α-helical backbone and cation dendrimer side chains stretching in the radial directions of the helix. The introduction of lysine peptide dendrimers endowed the prepared antibacterial polymer with precisely controlled characteristics of its local cation density, amphipathic composition as well as three-dimensional (3D) conformation to improve interactions with bacterial membranes. The antimicrobial assay and biocompatibility assay results showed that 96.83% of S. aureus and 99.99% of E. coli were killed after being in contact with the antibacterial coating, while no toxicity to mammalian cells or no hemolysis was detected. This antimicrobial activity was further confirmed by the molecular dynamics simulation results, which demonstrated that the employment of lysine peptide dendrimers enhanced the electrostatic interaction and hydrogen bonding between the brush and bacterial membranes remarkably. Such bottlebrush-like antibacterial coating constructed using α-helical peptide dendritic polymers may become an effective strategy for manufacturing antibacterial products for biomedical uses.
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Affiliation(s)
- Yujia Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, P. R. China.
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Abstract
The present review focuses on the numerous routes for the preparation of fluorinated graphene (FG) according to the starting materials. Two strategies are considered: (i) addition of fluorine atoms on graphenes of various nature and quality and (ii) exfoliation of graphite fluoride. Chemical bonding in fluorinated graphene, related properties and a selection of applications for lubrication, energy storage, and gas sensing will then be discussed.
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14
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Zhang Y, Zhang Y, Wu J, Liu J, Kang Y, Hu C, Feng X, Liu W, Luo H, Chen A, Chen L, Shao L. Effects of carbon-based nanomaterials on vascular endothelia under physiological and pathological conditions: interactions, mechanisms and potential therapeutic applications. J Control Release 2021; 330:945-962. [DOI: 10.1016/j.jconrel.2020.10.067] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 10/31/2020] [Accepted: 10/31/2020] [Indexed: 12/11/2022]
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Seifi T, Kamali AR. Anti-pathogenic activity of graphene nanomaterials: A review. Colloids Surf B Biointerfaces 2020; 199:111509. [PMID: 33340933 DOI: 10.1016/j.colsurfb.2020.111509] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/26/2020] [Accepted: 11/29/2020] [Indexed: 12/12/2022]
Abstract
Graphene and its derivatives are promising candidates for a variety of biological applications, among which, their anti-pathogenic properties are highly attractive due to the outstanding physicochemical characteristics of these novel nanomaterials. The antibacterial, antiviral and antifungal performances of graphene are increasingly becoming more important due to the pathogen's resistance to existing drugs. Despite this, the factors influencing the antibacterial activity of graphene nanomaterials, and consequently, the mechanisms involved are still controversial. This review aims to systematically summarize the literature, discussing various factors that affect the antibacterial performance of graphene materials, including the shape, size, functional group and the electrical conductivity of graphene flakes, as well as the concentration, contact time and the pH value of the graphene suspensions used in related microbial tests. We discuss the possible surface and edge interactions between bacterial cells and graphene nanomaterials, which cause antibacterial effects such as membrane/oxidative/photothermal stresses, charge transfer, entrapment and self-killing phenomena. This article reviews the anti-pathogenic activity of graphene nanomaterials, comprising their antibacterial, antiviral, antifungal and biofilm-forming performance, with an emphasis on the antibacterial mechanisms involved.
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Affiliation(s)
- Tahereh Seifi
- Energy and Environmental Materials Research Centre (E(2)MC), School of Metallurgy, Northeastern University, Shenyang, 110819, China
| | - Ali Reza Kamali
- Energy and Environmental Materials Research Centre (E(2)MC), School of Metallurgy, Northeastern University, Shenyang, 110819, China.
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Abdelhalim AO, Sharoyko VV, Meshcheriakov AA, Luttsev MD, Potanin AA, Iamalova NR, Zakharov EE, Ageev SV, Petrov AV, Vasina LV, Solovtsova IL, Nashchekin AV, Murin IV, Semenov KN. Synthesis, characterisation and biocompatibility of graphene–L-methionine nanomaterial. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113605] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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17
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Abstract
Carbon nanostructures (CNs), such as carbon nanotubes, fullerenes, carbon dots, nanodiamonds as well as graphene and its derivatives present a tremendous potential for various biomedical applications, ranging from sensing to drug delivery and gene therapy, biomedical imaging and tissue engineering. Since most of these applications encompass blood contact or intravenous injection, hemocompatibility is a critical aspect that must be carefully considered to take advantage of CN exceptional characteristics while allowing their safe use. This review discusses the hemocompatibility of different classes of CNs with the purpose of providing biomaterial scientists with a comprehensive vision of the interactions between CNs and blood components. The various complex mechanisms involved in blood compatibility, including coagulation, hemolysis, as well as the activation of complement, platelets, and leukocytes will be considered. Special attention will be paid to the role of CN size, structure, and surface properties in the formation of the protein corona and in the processes that drive blood response. The aim of this review is to emphasize the importance of hemocompatibility for CNs intended for biomedical applications and to provide some valuable insights for the development of new generation particles with improved performance and safety in the physiological environment.
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Sericin grafted multifunctional curcumin loaded fluorinated graphene oxide nanomedicines with charge switching properties for effective cancer cell targeting. Int J Pharm 2019; 572:118791. [PMID: 31678390 DOI: 10.1016/j.ijpharm.2019.118791] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 10/09/2019] [Accepted: 10/11/2019] [Indexed: 12/20/2022]
Abstract
Fluorinated graphene has recently gained much attention for cancer drug delivery, owing to its peculiar properties including high electronegativity difference, magnetic resonance imaging contrast agent, and the photothermal effect. However, the hydrophobic nature of fluorinated graphene greatly hinders its application as a biological material. Herein, a novel green method is reported for synthesis of a pH-sensitive charge-reversal and water-soluble fluorinated graphene oxide, modified with polyethyleneimine anchored to sericin-polypeptide (FPS). This nanocarrier was further loaded with curcumin (Cur), and characterized as a nanocarrier for anti-cancer drug delivery. The synthesized nanocarriers contain two different pH-sensitive amide linkages, which are negatively charged in blood pH (≈7.4) and can prolong circulation times. The amide linkages undergo hydrolysis once they reach the mildly acidic condition (pH≈6.5, corresponding to tumor extracellular matrix), and subsequently once reached the lower acidic condition (pH≈5.5, corresponded to endo/lysosomes microenvironment), the FPS charge can be switched to positive (≈+28 mV), which aids the nuclear release. This nanocarrier was designed to selectively enhance cell internalization and nuclear-targeted delivery of curcumin in HeLa, SkBr3 and PC-3 cancer cells. Moreover, FPS-Cur demonstrated high curcumin loading capacity, prolonged curcumin release and promotion of apoptosis in HeLa, SkBr3 and PC-3 cells. Therefore, with its pH-responsive charge-reversal properties, FPS-Cur would be a promising candidate for chemotherapy of cervical, breast and prostate cancers.
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