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Tohamy HAS, El-Masry HM. Fluffy-like amphiphilic graphene oxide and its effects on improving the antibacterial activity and thermal outstanding of ethyl cellulose /polyvinyl alcohol hydrogel film. BMC Chem 2024; 18:116. [PMID: 38926782 PMCID: PMC11210031 DOI: 10.1186/s13065-024-01221-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
The antibacterial characteristics of graphene oxide (GO-SB) nano-sheets generated by charring sugarcane bagasse (SB) are described in this study. The antibacterial capability of GO-SB was improved when it was grafted with ethyl cellulose (EC) and polyvinyl alcohol (PVA) to form GO-SB/EC/PVA hydrogels. Characterization of GO-SB nanosheets and GO-SB/EC/PVA hydrogels was accomplished by using FTIR, SEM, XRD, and thermal studies. The antimicrobial activity was carried out against Gram positive bacteria [Micrococcus leutus & Staphylococcus aureus], Gram negative bacteria [Escherichia coli, Pseudomonas aeruginosa] and pathogenic fungal yeast [Candida albicans] applying the disc diffusion method. The disc diffusion method results showed that the improved GO-SB/EC/PVA exhibited a reasonable level of antimicrobial capability against Micrococcus leutus, demonstrating that the antimicrobial improvement of GO-SB was more effective in the GO-SB/EC/PVA hydrogels by increasing the inhibition zone of Gram-positive bacteria, Micrococcus leutus from (13.0 to 16.0 mm).
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Affiliation(s)
| | - Hossam M El-Masry
- Chemistry of natural and microbial products, Pharmaceutical and drug institute, National Research Centre, Cairo, 12622, Egypt
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Sharma K, Pandey S, Sekar H, Alan T, Gundabala V. Microfluidics Based Generation of Curcumin Loaded Microfibrous Mat against Staphylococcus aureus Biofilm by Photodynamic Therapy. ACS APPLIED BIO MATERIALS 2023; 6:1092-1104. [PMID: 36780700 DOI: 10.1021/acsabm.2c00971] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
The rapid increase in multidrug resistant biofilm infections is a major concern for global health. A highly effective therapy is required for the treatment of biofilm related infections. In this study, curcumin loaded alginate microfibers were generated by using the microfluidic technique. In this strategy, alginate microfibers are used as a carrier for the encapsulation of curcumin and then are irradiated with blue light to assess the efficacy of a combined therapy (blue light + curcumin) against drug resistant Staphylococcus aureus (S. aureus). The advantage of utilizing photodynamic therapy (PDT) is the usage of a non-antibiotic mode to inactivate bacterial cells. In the presence of blue light, the curcumin loaded alginate microfibers have shown good eradication activity against biofilms formed by multidrug resistant S. aureus. We achieved different diameters of curcumin loaded alginate microfibers through manipulation of flow rates. The curcumin loaded microfibers were characterized for their size, morphology, and curcumin encapsulation. Further, the efficacy of these microfibers in the presence of blue light has been evaluated against biofilm forming S. aureus (NCIM 5718) through optical and electron microscopy. This study employs microfluidic techniques to obtain an efficacious and cost-effective microfibrous scaffold for controlled release of curcumin to treat biofilms in the presence of blue light.
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Affiliation(s)
- Kajal Sharma
- Department of Chemical Engineering, Indian Institute of Technology (IIT) Bombay, Powai, Mumbai 400076, India
- Department of Mechanical and Aerospace Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Shipra Pandey
- Department of Chemical Engineering, Indian Institute of Technology (IIT) Bombay, Powai, Mumbai 400076, India
| | - Hariharan Sekar
- Department of Chemical Engineering, Indian Institute of Technology (IIT) Bombay, Powai, Mumbai 400076, India
| | - Tuncay Alan
- Department of Mechanical and Aerospace Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Venkat Gundabala
- Department of Chemical Engineering, Indian Institute of Technology (IIT) Bombay, Powai, Mumbai 400076, India
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Abdul Hameed MM, Mohamed Khan SAP, Thamer BM, Rajkumar N, El‐Hamshary H, El‐Newehy M. Electrospun nanofibers for drug delivery applications: Methods and mechanism. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Syed Ali Padusha Mohamed Khan
- PG and Research Department of Chemistry Jamal Mohamed College (Affiliated to Bharathidasan University) Tiruchirappalli India
| | - Badr M. Thamer
- Department of Chemistry College of Science, King Saud University Saudi Arabia
| | - Nirmala Rajkumar
- Department of Biotechnology Hindustan College of Arts and Science (Affiliated to University of Madras) Chennai India
| | - Hany El‐Hamshary
- Department of Chemistry College of Science, King Saud University Saudi Arabia
- Department of Chemistry, Faculty of Science Tanta University Egypt
| | - Mohamed El‐Newehy
- Department of Chemistry College of Science, King Saud University Saudi Arabia
- Department of Chemistry, Faculty of Science Tanta University Egypt
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Electrospun carbon nanofibres: Preparation, characterization and application for adsorption of pollutants from water and air. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120666] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Thamer BM, Al-Sabri AE, Almansob A, El-Newehy MH. Fabrication of Biohybrid Nanofibers by the Green Electrospinning Technique and Their Antibacterial Activity. ACS OMEGA 2022; 7:7311-7319. [PMID: 35252721 PMCID: PMC8892919 DOI: 10.1021/acsomega.1c07141] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 02/07/2022] [Indexed: 05/10/2023]
Abstract
The development of bioactive polymer nanofiber sheets based on eco-friendly components is required to meet the needs of various medical applications as well as to preserve the environment. This study aimed to fabricate biohybrid nanofibers based on water-soluble polymers and aqueous extract of myrrh. The myrrh extract was incorporated into poly(vinyl alcohol)/tragacanth gum nanofiber mats (myrrh@PVA/TG) by the green electrospinning technique. Various characteristics of the prepared fibers such as morphology, fiber diameter distribution, crystallinity, and thermal stability were studied. The results confirmed that the morphology of biohybrid nanofibers was uniform without beads and tragacanth gum plays an important role in controlling the average diameter of fibers and the crystallinity. The antibacterial properties of the developed biohybrid nanofibers were investigated against common pathogens of Gram-positive and Gram-negative bacteria by the standard disc diffusion method. A significant antibacterial activity was observed toward bacterial strains after incorporation of aqueous myrrh extract into nanofibers, which increased on increasing the extract ratio. Due to their eco-friendly components and significant antibacterial activity, the prepared biohybrid nanofibers will open new avenues toward incorporating aqueous herbal extracts into degradable polymer fibers for use in many antibacterial applications.
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Affiliation(s)
- Badr M. Thamer
- Department
of Chemistry, College of Science, King Saud
University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Ahmed E. Al-Sabri
- Department
of Botany and Microbiology, College of Sciences, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Abobakr Almansob
- Department
of Botany and Microbiology, College of Sciences, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Mohamed H. El-Newehy
- Department
of Chemistry, College of Science, King Saud
University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Zhang Y, Yu J, Zhang H, Li Y, Wang L. Nanofibrous dressing: Potential alternative for fighting against antibiotic‐resistance wound infections. J Appl Polym Sci 2022. [DOI: 10.1002/app.52178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yingjie Zhang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology Donghua University Shanghai China
| | - Juan Yu
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology Donghua University Shanghai China
| | - Huiru Zhang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology Donghua University Shanghai China
| | - Yan Li
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology Donghua University Shanghai China
| | - Lu Wang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology Donghua University Shanghai China
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Raza ZA, Munim SA, Ayub A. Recent developments in polysaccharide-based electrospun nanofibers for environmental applications. Carbohydr Res 2021; 510:108443. [PMID: 34597980 DOI: 10.1016/j.carres.2021.108443] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 12/20/2022]
Abstract
Electrospinning has become an inevitable approach to produce nanofibrous structures for diverse environmental applications. Polysaccharides, due to their variety of types, biobased origins, and eco-friendly, and renewable nature are wonderful materials for the said purpose. The present review discusses the electrospinning process, the parameters involved in the formation of electrospun nanofibers in general, and the polysaccharides in specific. The selection of materials to be electrospun depends on the processing conditions and properties deemed desirable for specific applications. Thereby, the conditions to electrospun polysaccharides-based nanofibers have been focused on for possible environmental applications including air filtration, water treatment, antimicrobial treatment, environmental sensing, and so forth. The polysaccharide-based electrospun membranes, for instance, due to their active adsorption sites could find significant potential for contaminants removal from the aqueous systems. The study also gives some recommendations to overcome any shortcomings faced during the electrospinning and environmental applications of polysaccharide-based matrices.
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Affiliation(s)
- Zulfiqar Ali Raza
- Department of Applied Sciences, National Textile University, Faisalabad, 37610, Pakistan.
| | - S A Munim
- Department of Applied Sciences, National Textile University, Faisalabad, 37610, Pakistan
| | - Asif Ayub
- Department of Applied Sciences, National Textile University, Faisalabad, 37610, Pakistan
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Xu J, Wu X, Lian Z, Yu H, Hou Y, Nie X. Micro-nano manufacturing of Ti6Al4V antibacterial surface. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Zhang M, Wang D, Ji N, Lee S, Wang G, Zheng Y, Zhang X, Yang L, Qin Z, Yang Y. Bioinspired Design of Sericin/Chitosan/Ag@MOF/GO Hydrogels for Efficiently Combating Resistant Bacteria, Rapid Hemostasis, and Wound Healing. Polymers (Basel) 2021; 13:2812. [PMID: 34451350 PMCID: PMC8398496 DOI: 10.3390/polym13162812] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/03/2021] [Accepted: 08/17/2021] [Indexed: 01/21/2023] Open
Abstract
Due to the spread of drug-resistant bacteria in hospitals, the development of antibacterial dressings has become a strategy to control wound infections caused by bacteria. Here, we reported a green strategy for in situ biomimetic syntheses of silver nanoparticles@organic frameworks/graphene oxide (Ag@MOF-GO) in sericin/chitosan/polyvinyl alcohol hydrogel. Ag@MOF-GO was synthesized in situ from the redox properties of tyrosine residues in silk sericin without additional chemicals, similar to a biomineralization process. The sericin/chitosan/Ag@MOF-GO dressing possessed a high porosity, good water retention, and a swelling ratio. The hemolysis rate of the composite was 3.9% and the cell viability rate was 131.2%, which indicated the hydrogel possessed good biocompatibility. The composite also showed excellent lasting antibacterial properties against drug-sensitive and drug-resistant pathogenic bacteria. The composite possessed excellent hemostatic activity. The coagulation effect of the composite may be related to its effect on the red blood cells and platelets, but it has nothing to do with the activation of coagulation factors. An in vitro cell migration assay confirmed and an in vivo evaluation of mice indicated that the composite could accelerate wound healing and re-epithelialization. In summary, the composite material is an ideal dressing for accelerating hemostasis, preventing bacterial infection, and promoting wound healing.
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Affiliation(s)
- Meng Zhang
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; (M.Z.); (D.W.); (N.J.); (G.W.); (Y.Z.); (X.Z.)
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Dong Wang
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; (M.Z.); (D.W.); (N.J.); (G.W.); (Y.Z.); (X.Z.)
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Nana Ji
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; (M.Z.); (D.W.); (N.J.); (G.W.); (Y.Z.); (X.Z.)
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Shaoxiang Lee
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; (M.Z.); (D.W.); (N.J.); (G.W.); (Y.Z.); (X.Z.)
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Guohui Wang
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; (M.Z.); (D.W.); (N.J.); (G.W.); (Y.Z.); (X.Z.)
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yuqi Zheng
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; (M.Z.); (D.W.); (N.J.); (G.W.); (Y.Z.); (X.Z.)
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Xin Zhang
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; (M.Z.); (D.W.); (N.J.); (G.W.); (Y.Z.); (X.Z.)
- Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
- Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Lin Yang
- Sinochem Chemical Science and Technology Research Institute Co., Ltd., Beijing 100089, China; (L.Y.); (Z.Q.)
| | - Zhiwei Qin
- Sinochem Chemical Science and Technology Research Institute Co., Ltd., Beijing 100089, China; (L.Y.); (Z.Q.)
| | - Yang Yang
- National Marine Data and Information Service, Tianjin 300171, China;
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