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Gao S, Zhang W, Zhai X, Zhao X, Wang J, Weng J, Li J, Chen X. An antibacterial and proangiogenic double-layer drug-loaded microneedle patch for accelerating diabetic wound healing. Biomater Sci 2023; 11:533-541. [PMID: 36472206 DOI: 10.1039/d2bm01588a] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Diabetic wounds are difficult to heal because of bacterial infections and insufficient angiogenesis. Herein, we report a double-layer drug-loaded microneedle patch with antibacterial and angiogenesis-promoting properties for diabetic wound healing. The double-layer microneedle comprises the hyaluronic acid (HA)-loaded antibacterial drug tetracycline hydrochloride (TCH) as the tip and a mixture of chitosan and silk fibroin containing the angiogenic drug deferoxamine (DFO) as the substrate. In the double-layer drug-loaded microneedle system (DMN@TCH/DFO), rapid dissolution of HA at the tip releases TCH to promote early antibacterial activity. The substrate exhibits excellent swelling properties, facilitating the absorption of tissue fluid from the wound to promote wound contraction. Simultaneously, DFO is released to promote angiogenesis. Therefore, DMN@TCH/DFO exhibited adequate mechanical properties, excellent swelling and biocompatibility, antibacterial properties, and angiogenesis-promoting capabilities. In a wound model of diabetic rats, DMN@TCH/DFO reduced inflammatory responses, promoted angiogenesis, and facilitated collagen deposition, thereby accelerating diabetic wound healing. Overall, DMN@TCH/DFO can accelerate the healing of diabetic wounds and has clinical application prospects.
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Affiliation(s)
- Shan Gao
- College of Medicine, Southwest Jiaotong University, Chengdu 610031, China.
| | - Wanlin Zhang
- College of Medicine, Southwest Jiaotong University, Chengdu 610031, China.
| | - Xingxing Zhai
- College of Medicine, Southwest Jiaotong University, Chengdu 610031, China.
| | - Xue Zhao
- College of Medicine, Southwest Jiaotong University, Chengdu 610031, China.
| | - Jianxin Wang
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Jie Weng
- College of Medicine, Southwest Jiaotong University, Chengdu 610031, China. .,Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Jianshu Li
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Xingyu Chen
- College of Medicine, Southwest Jiaotong University, Chengdu 610031, China.
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Nazir A, Zahid S, Mahmood Z, Kanwal F, Latif S, Imran M, Hassan F, Iqbal M. Adsorption kinetics for the removal of toxic Congo red dye by polyaniline and citrus leaves as effective adsorbents. Z PHYS CHEM 2022. [DOI: 10.1515/zpch-2022-0014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
This study focusses on the synthesis of polyaniline (PANI) and polyaniline base adsorbent utilizing Citrus limon leaves (CL) powder. The polyaniline base adsorbent with C. limon was synthesized using the same process as polyaniline synthesis, but with the addition of leaves powder. PANI and PANI based adsorbent with C. limon leaves powder (PANI/CL) were characterized by Fourier Transform Infra-Red (FTIR), UV-Visible spectroscopy and Scanning Electron Microscopy (SEM). This synthesized material was employed for the removal of congo red (CR) dye from industrial wastewater. Furthermore, the Langmuir, Temkin and Freundlich isotherms were also applied to evaluate experimental results. PANI is an efficient adsorbent for CR removal with 71.9 mg/g, while PANI/CL is an efficient adsorbent with 80 mg/g removal of dye according to a comparison of maximal adsorption capabilities. The data concludes that the prepared adsorbents could possibly be employed for the removal of toxic dyes from industrial effluents at large scale and ultimately could help in improving the environment.
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Affiliation(s)
- Arif Nazir
- Department of Chemistry , The University of Lahore , Lahore , Pakistan
| | - Sundas Zahid
- Department of Chemistry , The University of Lahore , Lahore , Pakistan
| | - Zaid Mahmood
- Department of Chemistry , The University of Lahore , Lahore , Pakistan
| | - Farah Kanwal
- School of Physical Sciences, University of the Punjab , Lahore , Pakistan
| | - Shoomaila Latif
- School of Physical Sciences, University of the Punjab , Lahore , Pakistan
| | - Muhammad Imran
- Centre for Inorganic Chemistry, School of Chemistry, University of the Punjab , Lahore , Pakistan
| | - Faiza Hassan
- Department of Chemistry , The University of Lahore , Lahore , Pakistan
| | - Munawar Iqbal
- Department of Chemistry , Division of Science and Technology, University of Education , Lahore , Pakistan
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Nazir A, Raza M, Abbas M, Abbas S, Ali A, Ali Z, Younas U, Al-Mijalli SH, Iqbal M. Microwave assisted green synthesis of ZnO nanoparticles using Rumex dentatus leaf extract: photocatalytic and antibacterial potential evaluation. Z PHYS CHEM 2022. [DOI: 10.1515/zpch-2022-0024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Abstract
In the present study, biological method was opted to synthesize ZnO NPs from Rumex dentatus plant. 0.1 M solution of zinc nitrate hexahydrate is mixed with the aqueous solution of R. dentatus plant leaves extract. The proportion of each solution was 1:1. Extract of plant leaves act as reducing agent. Firstly, the color changed from dark green to brown was observed and precipitates of light brown color appeared. Characterization of produced ZnO NPs was done using UV–Visible spectroscopy, scanning electron microscopy (SEM), energy dispersive X-rays (EDX) and X-ray diffraction (XRD) spectroscopy. The prepared ZnO NPS shows maximum absorption at 373 nm, in UV–Visible range. The shape of synthesized ZnO NPs is displayed by SEM. XRD analysis explains the average size of NPs is 6.19 nm. EDX tells about the percentage composition of synthesized ZnO NPs. Antibacterial analysis declared the NPs as good antibacterial agents. Photocatalytic activity of ZnO NPs was done using methyl orange dye. It was concluded that ZnO NPs can degrade toxic pollutants especially dyes.
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Affiliation(s)
- Arif Nazir
- Department of Chemistry , The University of Lahore , Lahore , Pakistan
| | - Mohsan Raza
- Department of Chemistry , The University of Lahore , Lahore , Pakistan
| | - Mazhar Abbas
- Department of Basic Science (Section Biochemistry), University of Veterinary and Animals Science Labore (Jhang Campus) , Jhang, 35200 , Pakistan
| | - Shaista Abbas
- Department of Basic Science (Section Physiology), University of Veterinary and Animals Science Lahore (Jhang Campus) , Jhang 35200 , Pakistan
| | - Abid Ali
- Department of Chemistry , The University of Lahore , Lahore , Pakistan
| | - Zahid Ali
- Department of Chemistry , The University of Lahore , Lahore , Pakistan
| | - Umer Younas
- Department of Chemistry , The University of Lahore , Lahore , Pakistan
| | - Samiah H. Al-Mijalli
- Department of Biology, College of Sciences , Princess Nourah bint Abdulrahman University , P.O. Box 84428 , Riyadh 11671 , Saudi Arabia
| | - Munawar Iqbal
- Department of Chemistry , Division of Science and Technology, University of Education , Lahore , Pakistan
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Pandey S, Shaif M, Ansari TM, Shamim A, Kushwaha P. Leveraging Potential of Nanotherapeutics in Management of Diabetic Foot Ulcer. Exp Clin Endocrinol Diabetes 2022; 130:678-686. [PMID: 35240693 DOI: 10.1055/a-1749-4909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Diabetic foot ulcers (DFUs) are the most common complications associated with diabetes mellitus. DFUs are displayed as open sores or wounds located on the bottom of the foot as a secondary complication of diabetes mellitus (DM). DFUs are associated with significant morbidity and mortality and can subsequently lead to hospitalization and lower limb amputation if not recognized and treated on time. An immense challenge to conventional treatments is caused by the chronic nature of diabetic foot syndrome and it has led to the emergence of nanotechnology-based therapeutics. The greatest advantages of these nanotherapeutics are their unique biological, chemical, and physical properties. The present review highlights the augmentation of bacterial infections relating to delayed healing of DFUs and the potential of nanotherapeutics such as polymeric nanoparticles, metallic nanoparticles, siRNA-based nanoparticles, lipid nanoparticles, and nanofibers in accelerating wound healing in diabetic foot ulcers.
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Affiliation(s)
- Supriya Pandey
- Faculty of Pharmacy, Integral University, Dasauli-Kursi Road, Lucknow, India
| | - Mohammad Shaif
- Faculty of Pharmacy, Integral University, Dasauli-Kursi Road, Lucknow, India
| | - Tarique M Ansari
- Faculty of Pharmacy, Integral University, Dasauli-Kursi Road, Lucknow, India
| | - Arshiya Shamim
- Faculty of Pharmacy, Integral University, Dasauli-Kursi Road, Lucknow, India
| | - Poonam Kushwaha
- Faculty of Pharmacy, Integral University, Dasauli-Kursi Road, Lucknow, India
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Ihsan A, Khera RA, Iqbal J, Asgher M. Binding interaction of benzamide derivatives as inhibitors of DNA gyrase and Sec14p using Molegro Virtual Docker based on binding free energy. Z PHYS CHEM 2022. [DOI: 10.1515/zpch-2021-3119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The docking simulation of benzamide derivatives as ligands and protein targets (DNA–gyrase) was performed and Sec14p binding mode interaction was predicted based on binding free energy analysis. Software Molegro Virtual Docking (MVD) was used to visualize the ligand–protein binding interactions. The results indicated the prevalence of steric or hydrophobic interactions among all the benzamide ligands besides hydrogen bonding or electrostatic interactions. The compounds B2, B4 against DNA gyrase, and compounds B3, B5 against Sec14p showed an uncompetitive pattern of inhibition as compared with the reference molecule. While compounds B1, B5 exhibited the best MolDock scores, i.e., −109.736 and −114.391 kcal/mol respectively for DNA gyrase, also compounds B1 and B2 against Sec14p displayed −100.105 and −119.451 kcal/mol sequentially. It was evident from the comparison of MolDock score for both the bacterial and fungal protein receptors that all the ligands were found to be more potent against DNA gyrase than Sec14p. However, only compound B2 with MolDock score −119.451 kcal/mol showed exceptional activity against Sec14p and was predicted to have potency as a lead compound to find a new anti-fungal therapeutic agent. Docking studies further highlighted the unique interactions such as tail-end hydrophobic rings of benzamide inhibitors with catalytically important amino acid residues, allowing flexibility in binding to both the receptors different from other inhibitors. These findings showed us that B1, B2 against Staphylococcus aureus and B5 against Saccharomyces cerevisiae could be leading compounds to discover new multidrug-resistant strains.
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Affiliation(s)
- Anaum Ihsan
- Department of Chemistry , University of Agriculture , Faisalabad , 38000 , Pakistan
| | - Rasheed Ahmad Khera
- Department of Chemistry , University of Agriculture , Faisalabad , 38000 , Pakistan
| | - Javed Iqbal
- Department of Chemistry , University of Agriculture , Faisalabad , 38000 , Pakistan
| | - Muhammad Asgher
- Department of Biochemistry , University of Agriculture , Faisalabad , 38000 , Pakistan
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Qi Y, Yao X, Du X, An S. Local anesthetic lidocaine-encapsulated polymyxin-chitosan nanoparticles delivery for wound healing: in vitro and in vivo tissue regeneration. Drug Deliv 2021; 28:285-292. [PMID: 33501867 PMCID: PMC7850372 DOI: 10.1080/10717544.2020.1870021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 12/24/2020] [Indexed: 01/19/2023] Open
Abstract
In relieving local pains, lidocaine, one of ester-type local anesthetics, has been used. To develop the lidocaine membranes of enhanced local anesthetic effects, we have designed to establish the composition of wound dressings based on lidocaine chloride (LCH) (anesthetic drug)-loaded chitosan (CS)/polymyxin B sulfate (PMB). The LCH membranes (LCH-CS/PMB) was fabricated by the LCH oxide solutions within the CS/PMB matrix. The influences of different experimental limitations on CS/PMB membrane formations were examined. The double membrane particle sizes were evaluated by scanning electron microscopy (HR-SEM). Additionally, antibacterial efficacy was developed for gram-positive and negative microorganisms. Moreover, we examined in vivo healing of skin wounds formed in mouse models over 16 days. In contrast to the untreated wounds, rapid healing was perceived in the LCH-CS/PMB-treated wound with less damaging. These findings indicate that LCH-CS/PMB-based bandaging materials could be a potential innovative biomaterial for tissue repair and regeneration for wound healing applications in an animal model.
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Affiliation(s)
- Yanyan Qi
- Department of Anesthesiology, Henan Province People’s Hospital, Zhengzhou, China
| | - Xiangyan Yao
- Department of Anesthesiology, Henan Province People’s Hospital, Zhengzhou, China
| | - Xianhui Du
- Department of Anesthesiology, Henan Province People’s Hospital, Zhengzhou, China
| | - Songtao An
- Department of Cardiology, Fuwai Central Cardiovascular Hospital, Henan Provincial People's Hospital, Zhengzhou, China
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Dhanalekshmi S, Priya R, Tamizh Selvi K, Alamelu Mangai K, Weldegebrieal GK, Garg S, Sagadevan S. Microwave-assisted synthesis, characterization and photocatalytic activity of mercury vanadate nanoparticles. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108768] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Liu Z, Peng Y, Yang L, Zhang G. Poly(lactic-co-glycolic acid)-Chitosan-Gelatin Composite Nanomaterials for the Treatment of Diabetic Foot Ulcer Wound Infection. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 2021; 21:1070-1078. [PMID: 33183445 DOI: 10.1166/jnn.2021.18675] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this experiment, a solid carrier was prepared with PLGA, gelatin, and chitosan as the main raw materials, so that BMSCs could exert their repairing effect directly in the ulcer area under the stimulation of Klotho protein. We chose to use electrospun PLGA as the main technical means to provide suitable adhesion growth environment for BMSCs by preparing PLGA nanofibers. At the same time, PLGA nanofibers are also a controlled release material, so that Klotho protein can remain active, thereby achieving the purpose of stimulating BMSCs for a long time. Through the nano-scale porous structure provided on the surface of the PLGA film, BMSCs can adhere well to the surface of the material and continuously receive stimulation from the inner Klotho protein. We applied this composite to mice with diabetic ulcers, and verified the effects of Klotho protein and BMSCs on DFU healing in five groups of mice. From the results, the Klotho+BMSCs group achieved the best healing effect, followed by the Klotho group alone, while the other three groups had no significant difference in healing effects. It is proved that both Klotho and BMSCs can help the healing of diabetic ulcers, but BMSCs alone cannot survive in harsh environments, and it is difficult to play a normal repair role. The purpose of this study was to investigate the effect of Klotho protein on BMSCs and ECs under high glucose conditions, and to find a suitable carrier for planting BMSCs on it. At the same time, the material also has a certain sustained release function. We have concluded that Klotho protein can promote the proliferation and migration of BMSCs and ECs under high glucose conditions. When combined with electrospinning technology to prepare a protein that can release Klotho, it also provides a microstructure suitable for BMSCs adhesion, thereby ensuring that BMSCs can successfully survive. In the end, we artificial Klotho protein can promote angiogenesis in diabetic ulcer areas by protecting BMSCs and ECs, thereby promoting healing of ulcer areas.
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Affiliation(s)
- Zhangyi Liu
- Department of General Surgery, Yongchuan Hospital of Chongqing Medical University, Yongchuan Area, Chongqing, 402160, China
| | - Yue Peng
- Sanjiang Street Health Center, Qijiang District, Chongqing, 402160, China
| | - Lumeng Yang
- Department of General Surgery, Yongchuan Hospital of Chongqing Medical University, Yongchuan Area, Chongqing, 402160, China
| | - Guowu Zhang
- Department of General Surgery, Yongchuan Hospital of Chongqing Medical University, Yongchuan Area, Chongqing, 402160, China
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Mustfa SA, Maurizi E, McGrath J, Chiappini C. Nanomedicine Approaches to Negotiate Local Biobarriers for Topical Drug Delivery. ADVANCED THERAPEUTICS 2021. [DOI: 10.1002/adtp.202000160] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Salman Ahmad Mustfa
- Centre for Craniofacial and Regenerative Biology King's College London London SE1 9RT UK
| | - Eleonora Maurizi
- Dipartimento di Medicina e Chirurgia Università di Parma Parma 43121 Italy
| | - John McGrath
- St John's Institute of Dermatology King's College London London SE1 9RT UK
| | - Ciro Chiappini
- Centre for Craniofacial and Regenerative Biology King's College London London SE1 9RT UK
- London Centre for Nanotechnology King's College London London WC2R 2LS UK
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Abstract
Historically, there has been a scarcity of evidence-based topical therapy to hasten the healing of diabetic foot ulcers. But recently new evidence-based treatments have emerged from multicentre, randomised, controlled trials. This article highlights those trials, and describes the current pharmacological management of the diabetic foot ulcer and the advances that have been made in wound therapy to date. It provides an overview of topical and systemic pharmacotherapies in current use and those in development for future use in managing the diabetic foot. For each treatment, proposed mechanisms of action and evidence available to support their clinical use are presented. There is supporting randomised, controlled evidence for sucrose octasulfate in the treatment of neuro-ischaemic ulcers, and multi-layered patch of autologous leucocytes, platelets and fibrin in ulcers with or without ischaemia. There is also evidence for placentally derived products and for topical and systemic oxygen therapy in the healing of diabetic foot ulcers. Growth factors, bio-engineered tissues, stem cell therapy, gene therapy and peptide therapy also have some supporting evidence in the healing of diabetic foot ulcers. Nonsurgical debriding agents may be useful when the optimum approach of sharp debridement is not possible, and immunomodulators may be helpful for their antimicrobial effects, but robust data is still required to strengthen the case for general use. The review does not cover antimicrobials as their primary role are as anti-infectives and not in wound healing. The development of nanotechnology has created a means of prolonging the bioavailability of target molecules at the wound site, with the use of glass/hydrogel nanoparticles, polyethylene glycol and hyaluronic acid. Looking forward, novel therapies, including traction force-activated payloads, local delivery of short-interfering RNA and finally hydrogels incorporating bioactive agents or cells may provide possibilities for pharmacotherapy in the future.
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Affiliation(s)
- Danielle Dixon
- Diabetic Foot Clinic, King's College NHS Foundation Trust, Denmark Hill, London, SE5 9RS, UK.
| | - Michael Edmonds
- Diabetic Foot Clinic, King's College NHS Foundation Trust, Denmark Hill, London, SE5 9RS, UK
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Naveed R, Bhatti IA, Sohail I, Ashar A, Ibrahim SM, Iqbal M, Nazir A. Kinetic and equilibrium study of (poly amido amine) PAMAM dendrimers for the removal of chromium from tannery wastewater. Z PHYS CHEM 2020. [DOI: 10.1515/zpch-2019-1567] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Abstract
Water gets polluted by industrial effluents, mainly composed of heavy metals and organic materials. Water soluble heavy metals can be taken up by living organisms. Chromium mainly occurs in the form of chromate and cationic hydroxo complexes in water. Apart from conventional methods of heavy metal removal, there are some novel approaches such as using dendrimers for removal of heavy metal. Dendrimers are extremely branched nano sized polymers with a three-dimensional symmetry around a core that imparts poly functionality. PAMAM (poly amido amine) dendrimers having ethylene diamine as core and methyl acrylate as repeating unit was divergently synthesized. Characterization of PAMAM dendrimers was evaluated by UV–Vis spectroscopy, zeta sizer, scanning electron microscopy (SEM) and Fourier-transform infrared (FT-IR) spectroscopy. Zero generation dendrimers have amine terminal groups, showed intense amide group peak at 1596.76 cm−1. The λ
max value was 278 nm. SEM exhibited spherical shape for full generation while needle like structure for −0.5 generation. Evaluation of chromium removal from wastewater has been done by atomic absorption spectroscopy (AAS). The data revealed that optimal removal of Cr occurs at dendrimer concentration of 5 mL, Cr concentration of 300 ppm, contact time of 2 min and pH 7. The synthesized dendrimers have effectively removed Cr from tannery wastewater.
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Affiliation(s)
- Rizwana Naveed
- Department of Chemistry , University of Agriculture , Faisalabad , 38040, Pakistan
| | - Ijaz Ahmad Bhatti
- Department of Chemistry , University of Agriculture , Faisalabad , 38040, Pakistan
| | - Isra Sohail
- Department of Chemistry , University of Agriculture , Faisalabad , 38040, Pakistan
| | - Ambreen Ashar
- Department of Chemistry , University of Agriculture , Faisalabad , 38040, Pakistan
- Department of Chemistry , Government College Women University , Faisalabad , 38040, Pakistan
| | - Sobhy M. Ibrahim
- Department of Biochemistry, College of Science , King Saud University , P.O. Box: 2455 , Riyadh , 11451, Saudi Arabia
- Department of Analytical Chemistry and Control, Hot Laboratories and Waste Management Center , Atomic Energy Authority , Cairo , 13759, Egypt
| | - Munawar Iqbal
- Department of Chemistry , The University of Lahore , Lahore , 53700, Pakistan
| | - Arif Nazir
- Department of Chemistry , The University of Lahore , Lahore , 53700, Pakistan
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Nanostructured Materials for Artificial Tissue Replacements. Int J Mol Sci 2020; 21:ijms21072521. [PMID: 32260477 PMCID: PMC7178059 DOI: 10.3390/ijms21072521] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 03/26/2020] [Accepted: 04/01/2020] [Indexed: 02/04/2023] Open
Abstract
This paper review current trends in applications of nanomaterials in tissue engineering. Nanomaterials applicable in this area can be divided into two groups: organic and inorganic. Organic nanomaterials are especially used for the preparation of highly porous scaffolds for cell cultivation and are represented by polymeric nanofibers. Inorganic nanomaterials are implemented as they stand or dispersed in matrices promoting their functional properties while preserving high level of biocompatibility. They are used in various forms (e.g., nano- particles, -tubes and -fibers)-and when forming the composites with organic matrices-are able to enhance many resulting properties (biologic, mechanical, electrical and/or antibacterial). For this reason, this contribution points especially to such type of composite nanomaterials. Basic information on classification, properties and application potential of single nanostructures, as well as complex scaffolds suitable for 3D tissues reconstruction is provided. Examples of practical usage of these structures are demonstrated on cartilage, bone, neural, cardiac and skin tissue regeneration and replacements. Nanomaterials open up new ways of treatments in almost all areas of current tissue regeneration, especially in tissue support or cell proliferation and growth. They significantly promote tissue rebuilding by direct replacement of damaged tissues.
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Aouad MR, Almehmadi MA, Rezki N, Al-blewi FF, Messali M, Ali I. Design, click synthesis, anticancer screening and docking studies of novel benzothiazole-1,2,3-triazoles appended with some bioactive benzofused heterocycles. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.04.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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15
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Vara J, Sanchez JM, Perillo MA, Ortiz CS. Phospholipid multilamellar vesicles entrapping phenothiazine photosensitizers. Preparation, characterization and evaluation of their photodynamic properties. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2018.10.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Vijayakumar V, Samal SK, Mohanty S, Nayak SK. Recent advancements in biopolymer and metal nanoparticle-based materials in diabetic wound healing management. Int J Biol Macromol 2018; 122:137-148. [PMID: 30342131 DOI: 10.1016/j.ijbiomac.2018.10.120] [Citation(s) in RCA: 184] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 09/26/2018] [Accepted: 10/14/2018] [Indexed: 01/13/2023]
Abstract
Currently, diabetes mellitus (DM) accelerated diabetic foot ulcer (DFU) remains vivacious health problem related with delayed healing and high amputation rates which leads to enormous clinical obligation. Keeping in view of the foregoing, researchers have been made in their efforts to develop novel materials which accelerate delayed wound healing in the diabetic patient and reduce the adversative influences of DFUs. The most prominent materials used for the wound healing application have biocompatibility, low cytotoxicity, excellent biodegradable properties, and antimicrobial activity properties. Utilization of nanoparticles has emerged as a protruding scientific and technological revolution in controlling DFUs. Biopolymers in combination with bioactive nanoparticles having antimicrobial, antibacterial, and anti-inflammatory properties have great potential in wound care to enhance the healing process of diabetic wound infectious. Combination of antibacterial nanoparticles like silver nanoparticles (AgNPs), gold nanoparticles (AuNPs), copper nanoparticles (CuNPs) etc. with polymeric matrix could efficiently inhibit bacterial growth and at the same time fastens the healing process of a wound. This review briefed the recent development of different natural polymers and antibacterial nanoparticles to mitigate the diabetes mellitus based DFU.
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Affiliation(s)
- Veena Vijayakumar
- School for Advanced Research in Polymers (SARP)-Laboratory for Advanced Research in Polymeric Materials (LARPM), Central Institute of Plastics Engineering and Technology (CIPET), B-25, CNI Complex, Patia, Bhubaneswar, Odisha 751024, India
| | - Sushanta K Samal
- School for Advanced Research in Polymers (SARP)-Laboratory for Advanced Research in Polymeric Materials (LARPM), Central Institute of Plastics Engineering and Technology (CIPET), B-25, CNI Complex, Patia, Bhubaneswar, Odisha 751024, India.
| | - Smita Mohanty
- School for Advanced Research in Polymers (SARP)-Laboratory for Advanced Research in Polymeric Materials (LARPM), Central Institute of Plastics Engineering and Technology (CIPET), B-25, CNI Complex, Patia, Bhubaneswar, Odisha 751024, India
| | - Sanjay K Nayak
- School for Advanced Research in Polymers (SARP)-Laboratory for Advanced Research in Polymeric Materials (LARPM), Central Institute of Plastics Engineering and Technology (CIPET), B-25, CNI Complex, Patia, Bhubaneswar, Odisha 751024, India
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Asiri S, Sertkol M, Güngüneş H, Amir M, Manikandan A, Ercan İ, Baykal A. The Temperature Effect on Magnetic Properties of NiFe2O4 Nanoparticles. J Inorg Organomet Polym Mater 2018. [DOI: 10.1007/s10904-018-0813-z] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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18
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Asiri S, Amir M, Güner S, Gungunes H, Batoo KM, Sertkol M, Imran A, Baykal A. Structural, Optical and Mössbauer Study of Ba1 − xCuxFe12O19 (0.5 ≤ x) Nano Hexaferrites. J Inorg Organomet Polym Mater 2018. [DOI: 10.1007/s10904-018-0794-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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19
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Inactivation of Staphylococcus aureus in visible light by morphology tuned α-NiMoO4. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.09.042] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Magnetic Properties and Cation Distribution of Bimetallic (Mn–Co) Doped NiFe2O4 Nanoparticles. J Inorg Organomet Polym Mater 2017. [DOI: 10.1007/s10904-017-0659-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Yoon J, Yoon HS, Shin Y, Kim S, Ju Y, Kim J, Chung S. Ethanol-dispersed and antibody-conjugated polymer nanofibers for the selective capture and 3-dimensional culture of EpCAM-positive cells. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2017; 13:1617-1625. [PMID: 28285160 DOI: 10.1016/j.nano.2017.02.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 02/17/2017] [Accepted: 02/24/2017] [Indexed: 01/09/2023]
Abstract
Electrospun and ethanol-dispersed polystyrene-poly(styrene-co-maleic anhydride) (PS-PSMA) nanofibers (NFs) were used as a platform for the selective capture and three-dimensional culture of EpCAM-positive cells in cell culture medium and whole blood. The NFs were treated with streptavidin to facilitate bond formation between the amino groups of streptavidin and the maleic anhydride groups of the NFs. A biotinylated anti-EpCAM monoclonal antibody (mAb) was attached to the streptavidin-conjugated NFs via the selective binding of streptavidin and biotin. Upon simple mixing and shaking with EpCAM-positive cancer cells in a wide concentration range from 10 to 1000,000 cells per 10mL, the mAb-attached NFs (mAb-NFs) captured the Ep-CAM positive cells in an efficiency of 59%-67% depending on initial cell concentrations, with minor mechanical capture of 14%-36%. Captured cells were directly cultured, forming cell aggregates, in the NF matrix, which ensures the cell proliferation and follow-up analysis. Furthermore, the capture capacity of mAb-NFs was assessed in the presence of whole blood and blood lysates, indicating cluster formation that captured target cells. It is anticipated that the antibody-attached NFs can be employed for the capture and analysis of very rare EpCAM positive circulating cancer cells.
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Affiliation(s)
- Junghyo Yoon
- School of Mechanical Engineering, Korea University, Seoul, Republic of Korea
| | - Hee-Sook Yoon
- Department of Chemical and Biological Engineering, Korea University, Seoul, Republic of Korea
| | - Yoojin Shin
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Sanghyun Kim
- Department of Chemical and Biological Engineering, Korea University, Seoul, Republic of Korea
| | - Youngjun Ju
- Department of Chemical and Biological Engineering, Korea University, Seoul, Republic of Korea
| | - Jungbae Kim
- Department of Chemical and Biological Engineering, Korea University, Seoul, Republic of Korea.
| | - Seok Chung
- School of Mechanical Engineering, Korea University, Seoul, Republic of Korea; KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea.
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Joshi DP, Pant G, Arora N, Nainwal S. Effect of solvents on morphology, magnetic and dielectric properties of (α-Fe 2O 3@SiO 2) core-shell nanoparticles. Heliyon 2017; 3:e00253. [PMID: 28280788 PMCID: PMC5328743 DOI: 10.1016/j.heliyon.2017.e00253] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 02/02/2017] [Accepted: 02/13/2017] [Indexed: 12/05/2022] Open
Abstract
Present work describes the formation of α-Fe2O3@SiO2 core shell structure by systematic layer by layer deposition of silica shell on core iron oxide nanoparticles prepared via various solvents. Sol-gel method has been used to synthesize magnetic core and the dielectric shell. The average crystallite size of iron oxide nanoparticles was calculated ∼20 nm by X-ray diffraction pattern. Morphological study by scanning electron microscopy revealed that the core-shell nanoparticles were spherical in shape and the average size of nanoparticles increased by varying solvent from methanol to ethanol to isopropanol due to different chemical structure and nature of the solvents. It was also observed that the particles prepared by solvent ethanol were more regular and homogeneous as compared to other solvents. Magnetic measurements showed the weak ferromagnetic behaviour of both core α-Fe2O3 and silica-coated iron oxide nanoparticles which remained same irrespective of the solvent chosen. However, magnetization showed dependency on the types of solvent chosen due to the variation in shell thickness. At room temperature, dielectric constant and dielectric loss of silica nanoparticles for all the solvents showed decrement with the increment in frequency. Decrement in the value of dielectric constant and increment in dielectric loss was observed for silica coated iron oxide nanoparticles in comparison of pure silica, due to the presence of metallic core. Homogeneous and regular silica layer prepared by using ethanol as a solvent could serve as protecting layer to shield the magnetic behaviour of iron oxide nanoparticles as well as to provide better thermal insulation over pure α-Fe2O3 nanoparticles.
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Affiliation(s)
- Deepika P Joshi
- Department of Physics, Govind Ballabh Pant University of Agriculture & Technology, Pantnagar Uttarakhand, India
| | - Geeta Pant
- Department of Physics, Govind Ballabh Pant University of Agriculture & Technology, Pantnagar Uttarakhand, India
| | - Neha Arora
- Department of Physics, Govind Ballabh Pant University of Agriculture & Technology, Pantnagar Uttarakhand, India
| | - Seema Nainwal
- Department of Physics, Uttaranchal College of Bio Medical Science & Hospital, Dehradun, Uttarakhand, India
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Protic Ionic Liquid Assisted Synthesis and Characterization of Ferromagnetic Cobalt Oxide Nanocatalyst. J Inorg Organomet Polym Mater 2016. [DOI: 10.1007/s10904-016-0485-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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