1
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Sonaye SY, Bohara S, Welsh BL, Ertugral EG, Kothapalli CR, Richter H, Garg K, Sikder P. Extrusion-Based 3D Bioprinting of Bioactive and Piezoelectric Scaffolds as Potential Therapy for Treating Critical Soft Tissue Wounds. Adv Wound Care (New Rochelle) 2024. [PMID: 39001829 DOI: 10.1089/wound.2024.0073] [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: 07/15/2024] Open
Abstract
Objective: This study focuses on developing bioactive piezoelectric scaffolds that could deliver bioelectrical cues to potentially treat injuries to soft tissues such as skeletal muscles and promote active regeneration. Approach: To address the underexplored aspect of bioelectrical cues in skeletal muscle tissue engineering (SMTE), we developed piezoelectric bioink based on natural bioactive materials such as sodium alginate, gelatin, and chitosan. Extrusion-based 3D bioprinting was utilized to develop scaffolds that mimic muscle stiffness and generate electrical stimulation (E-stim) when subjected to forces. The biocompatibility of these scaffolds was tested with the C2C12 muscle cell line. Results: The bioink demonstrated suitable rheological properties for 3D bioprinting, resulting in high-resolution composite sodium alginate-gelatin-chitosan scaffolds with good structural fidelity. The scaffolds exhibited a 42-60 kPa stiffness, similar to muscle. When a controlled force of 5N was applied to the scaffolds at a constant frequency of 4 Hz, they generated electrical fields and impulses (charge), indicating their suitability as a stand-alone scaffold to generate E-stim and instill bioelectrical cues in the wound region. The cell viability and proliferation test results confirm the scaffold's biocompatibility with C2C12s and the benefit of piezoelectricity in promoting muscle cell growth kinetics. Our study indicates that our piezoelectric bioink and scaffolds offer promise as autonomous E-stim-generating regenerative therapy for SMTE. Innovation: A novel approach for treating skeletal muscle wounds was introduced by developing a bioactive electroactive scaffold capable of autonomously generating E-stim without stimulators and electrodes. This scaffold offers a unique approach to enhancing skeletal muscle regeneration through bioelectric cues, addressing a major gap in the SMTE, that is, fibrotic tissue formation due to delayed muscle regeneration. Conclusion: A piezoelectric scaffold was developed, providing a promising solution for promoting skeletal muscle regeneration. This development can potentially address skeletal muscle injuries and offers a unique approach to facilitating skeletal muscle wound healing.
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Affiliation(s)
| | - Smriti Bohara
- Chemical and Biomedical Engineering, Cleveland State University, Cleveland, Ohio, USA
| | - Breanne L Welsh
- Chemical and Biomedical Engineering, Cleveland State University, Cleveland, Ohio, USA
| | - Elif G Ertugral
- Chemical and Biomedical Engineering, Cleveland State University, Cleveland, Ohio, USA
| | | | - Hanz Richter
- Mechanical Engineering, Cleveland State University, Cleveland, Ohio, USA
| | - Koyal Garg
- Biomedical Engineering, Saint Louis University, Saint Louis, Missouri, USA
| | - Prabaha Sikder
- Mechanical Engineering, Cleveland State University, Cleveland, Ohio, USA
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2
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Ali SA, Ali ES, Hamdy G, Badawy MSEM, Ismail AR, El-Sabbagh IA, El-Fass MM, Elsawy MA. Enhancing physical characteristics and antibacterial efficacy of chitosan through investigation of microwave-assisted chemically formulated chitosan-coated ZnO and chitosan/ZnO physical composite. Sci Rep 2024; 14:9348. [PMID: 38654048 DOI: 10.1038/s41598-024-58862-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 04/03/2024] [Indexed: 04/25/2024] Open
Abstract
This study investigates the creation and analysis of chitosan-zinc oxide (CS-ZnO) nanocomposites, exploring their effectiveness in inhibiting bacteria. Two synthesis approaches, physical and chemical, were utilized. The CS-ZnO nanocomposites demonstrated strong antibacterial properties, especially against Staphylococcus aureus, a Gram-positive bacterium. Chemically synthesized nanocomposites (CZ10 and CZ100) exhibited larger inhibition zones (16.4 mm and 18.7 mm) compared to physically prepared CS-Z5 and CS-Z20 (12.2 mm and 13.8 mm) against Staphylococcus aureus. Moreover, CZ nanocomposites displayed enhanced thermal stability, with decomposition temperatures of 281°C and 290°C, surpassing CS-Z5 and CS-Z20 (260°C and 258°C). The residual mass percentages at 800°C were significantly higher for CZ10 and CZ100 (58% and 61%) than for CS-Z5 and CS-Z20 (36% and 34%). UV-Visible spectroscopy revealed reduced band gaps in the CS-ZnO nanocomposites, indicating improved light absorption. Transmission electron microscopy (TEM) confirmed uniform dispersion of ZnO nanoparticles within the chitosan matrix. In conclusion, this research underscores the impressive antimicrobial potential of CS-ZnO nanocomposites, especially against Gram-positive bacteria, and highlights their enhanced thermal stability. These findings hold promise for diverse applications in industries such as medicine, pharmaceuticals, and materials science, contributing to the development of sustainable materials with robust antimicrobial properties.
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Affiliation(s)
- Sara A Ali
- Chemistry Department, Faculty of Science, Al-Azhar University Girls, Nasr City, Cairo, Egypt
| | - E S Ali
- Polymer Laboratory, Petrochemical Department, Egyptian Petroleum Research Institute, Nasr City, 11727, Cairo, Egypt.
| | - G Hamdy
- Chemistry Department, Faculty of Science, Al-Azhar University Girls, Nasr City, Cairo, Egypt
- Al-Azhar Technology Incubator (ATI), Nasr City, Cairo, Egypt
| | - Mona Shaban E M Badawy
- Department of Microbiology and Immunology, Faculty of Pharmacy (Girls), Al-Azhar University, Nasr City, Cairo, Egypt
| | - Abdallah R Ismail
- Department of Processes Design and Development, Egyptian Petroleum Research Institute (EPRI), Nasr City, 11727, Cairo, Egypt
| | - Inas A El-Sabbagh
- Chemistry Department, Faculty of Science, Al-Azhar University Girls, Nasr City, Cairo, Egypt
| | - Magda M El-Fass
- Chemistry Department, Faculty of Science, Al-Azhar University Girls, Nasr City, Cairo, Egypt
| | - Moataz A Elsawy
- Polymer Laboratory, Petrochemical Department, Egyptian Petroleum Research Institute, Nasr City, 11727, Cairo, Egypt.
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3
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Abdelfattah EM, Elzanaty H, Elsharkawy WB, Azzam MA, Elqahtani ZM, Alotibi S, Alyami M, Fahmy T. Enhancement of the Structure, Thermal, Linear/Nonlinear Optical Properties, and Antibacterial Activity of Poly (vinyl alcohol)/Chitosan/ZnO Nanocomposites for Eco-Friendly Applications. Polymers (Basel) 2023; 15:4282. [PMID: 37959962 PMCID: PMC10648650 DOI: 10.3390/polym15214282] [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: 08/17/2023] [Revised: 09/20/2023] [Accepted: 09/27/2023] [Indexed: 11/15/2023] Open
Abstract
The preparation of poly (vinyl alcohol)/chitosan/ZnO (PVA/Cs/ZnO) nanocomposite films as bioactive nanocomposites was implemented through an environmentally friendly approach that included mixing, solution pouring, and solvent evaporation. The nanocomposite films were characterized using various techniques such as X-ray diffraction (XRD), Fourier-transform infrared (FT-IR) spectroscopy, differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and UV-Vis spectroscopy. The XRD study revealed the encapsulation of nanoparticles by the PVA/Cs blend matrix. The DSC results showed that the addition of ZnO NPs increased glass transition and melting temperature values of the PVA/Cs blend. ATR-FTIR spectra detected an irregular shift (either red or blue) in some of the characteristic bands of the PVA/Cs nanocomposite, indicating the existence of intra/intermolecular hydrogen bonding creating an interaction between the OH groups of PVA/Cs and ZnO nanoparticles. A thermogravimetric (TGA) analysis demonstrated that the nanocomposites achieved better thermal resistance than a pure PVA/Cs blend and its thermal stability was enhanced with increasing concentration of ZnO nanoparticles. UV analysis showed that with an increase in the content of ZnO NPs, the optical bandgap of PVA/Cs was decreased from 4.43 eV to 3.55 eV and linear and nonlinear parameters were enhanced. Our optical results suggest the use of PVA/Cs/ZnO nanocomposite films for various optoelectronics applications. PVA/Cs/ZnO nanocomposites exhibited significant antibacterial activity against Gram-positive and Gram-negative bacteria. It was found that nanocomposite samples were more effective against Gram-positive compared to Gram-negative bacteria.
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Affiliation(s)
- E. M. Abdelfattah
- Physics Department, College of Science and Humanities, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia; (E.M.A.); (W.B.E.); (S.A.); (M.A.)
- Physics Department, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
| | - H. Elzanaty
- Department of Basic Science, Faculty of Engineering, Delta University, Mansoura 11152, Egypt;
| | - W. B. Elsharkawy
- Physics Department, College of Science and Humanities, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia; (E.M.A.); (W.B.E.); (S.A.); (M.A.)
| | - M. A. Azzam
- Chemistry Department, College of Science and Humanities, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia;
| | - Z. M. Elqahtani
- Department of Physics, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - S. Alotibi
- Physics Department, College of Science and Humanities, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia; (E.M.A.); (W.B.E.); (S.A.); (M.A.)
| | - M. Alyami
- Physics Department, College of Science and Humanities, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia; (E.M.A.); (W.B.E.); (S.A.); (M.A.)
| | - T. Fahmy
- Polymer Research Group, Physics Department, Faculty of Science, Mansoura University, Mansoura 35516, Egypt;
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4
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Toalá CU, Prokhorov E, Barcenas GL, Landaverde MAH, Limón JMY, Gervacio-Arciniega JJ, de Fuentes OA, Tapia AMG. Electrostrictive and piezoelectrical properties of chitosan-poly(3-hydroxybutyrate) blend films. Int J Biol Macromol 2023; 250:126251. [PMID: 37562485 DOI: 10.1016/j.ijbiomac.2023.126251] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 07/27/2023] [Accepted: 08/07/2023] [Indexed: 08/12/2023]
Abstract
Herein, we report the high apparent piezoelectric coefficient for chitosan-poly(3-hydroxybutyrate) (CS-PHB) blend films. The structure of chitosan-poly(3-hydroxybutyrate) (CS-PHB) blend films, exploiting characteristics such as dielectric, polarization, apparent piezoelectric properties, and their dependencies on the composition, were investigated. Based on the results of XRD, SEM, FTIR, PFM, and dielectric spectroscopy measurements, the structure of CS-PHB blend films has been proposed, which consists of spheric-like inclusion formed by precipitating isotactic-PHB interface layer, which consists of syndiotactic-PHB hydrogen bonding with CS, and CS matrix. The synergistic effects of piezoelectricity and electrostriction help explain the high value of the apparent piezoelectric coefficient (d33) obtained in the blend film with 13 wt% of PHB (d33 ≈ 200 pC/N). The investigated CS-PHB blend films are a good candidate for tissue engineering applications.
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Affiliation(s)
- C Uitz Toalá
- Nanosciences Program, Cinvestav del IPN, Mexico; CINVESTAV del IPN, Unidad Querétaro, Mexico
| | - E Prokhorov
- CINVESTAV del IPN, Unidad Querétaro, Mexico.
| | - G Luna Barcenas
- Nanosciences Program, Cinvestav del IPN, Mexico; CINVESTAV del IPN, Unidad Querétaro, Mexico.
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5
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Salaris V, San Félix García-Obregón I, López D, Peponi L. Fabrication of PLA-Based Electrospun Nanofibers Reinforced with ZnO Nanoparticles and In Vitro Degradation Study. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2236. [PMID: 37570553 PMCID: PMC10420940 DOI: 10.3390/nano13152236] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 07/28/2023] [Accepted: 07/30/2023] [Indexed: 08/13/2023]
Abstract
In this work, electrospun nanofibers based on polylactic acid, PLA, reinforced with ZnO nanoparticles have been studied, considering the growing importance of electrospun mats based on biopolymers for their applications in different fields. Specifically, electrospun nanofibers based on PLA have been prepared by adding ZnO nanoparticles at different concentrations, such as 0.5, 1, 3, 5, 10 and 20 wt%, with respect to the polymer matrix. The materials have been characterized in terms of their morphological, mechanical, and thermal properties, finding 3 wt% as the best concentration to produce PLA nanofibers reinforced with ZnO nanoparticles. In addition, hydrolytic degradation in phosphate buffer solution (PBS) was carried out to study the effect of ZnO nanoparticles on the degradation behavior of PLA-based electrospun nanofiber mats, obtaining an acceleration in the degradation of the PLA electrospun mat.
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Affiliation(s)
| | | | - Daniel López
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (V.S.); (I.S.F.G.-O.)
| | - Laura Peponi
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (V.S.); (I.S.F.G.-O.)
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6
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Himiniuc LM, Socolov R, Nica I, Agop M, Volovat C, Ochiuz L, Vasincu D, Rotundu AM, Rosu IA, Ghizdovat V, Volovat SR. Theoretical and Experimental Aspects of Sodium Diclofenac Salt Release from Chitosan-Based Hydrogels and Possible Applications. Gels 2023; 9:gels9050422. [PMID: 37233013 DOI: 10.3390/gels9050422] [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: 03/19/2023] [Revised: 05/06/2023] [Accepted: 05/11/2023] [Indexed: 05/27/2023] Open
Abstract
Two formulations based on diclofenac sodium salt encapsulated into a chitosan hydrogel were designed and prepared, and their drug release was investigated by combining in vitro results with mathematical modeling. To understand how the pattern of drug encapsulation impacted its release, the formulations were supramolecularly and morphologically characterized by scanning electron microscopy and polarized light microscopy, respectively. The mechanism of diclofenac release was assessed by using a mathematical model based on the multifractal theory of motion. Various drug-delivery mechanisms, such as Fickian- and non-Fickian-type diffusion, were shown to be fundamental mechanisms. More precisely, in a case of multifractal one-dimensional drug diffusion in a controlled-release polymer-drug system (i.e., in the form of a plane with a certain thickness), a solution that allowed the model's validation through the obtained experimental data was established. The present research reveals possible new perspectives, for example in the prevention of intrauterine adhesions occurring through endometrial inflammation and other pathologies with an inflammatory mechanism background, such as periodontal diseases, and also therapeutic potential beyond the anti-inflammatory action of diclofenac as an anticancer agent, with a role in cell cycle regulation and apoptosis, using this type of drug-delivery system.
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Affiliation(s)
- Loredana Maria Himiniuc
- Department of Obstetrics and Gynecology, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Razvan Socolov
- Department of Obstetrics and Gynecology, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Irina Nica
- Department of Odontology-Periodontology, Fixed Prosthesis, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Maricel Agop
- Department of Physics, "Gheorghe Asachi" Technical University of Iasi, 700050 Iasi, Romania
- Romanian Scientists Academy, 050094 Bucharest, Romania
| | - Constantin Volovat
- Department of Medical Oncology-Radiotherapy, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
| | - Lacramioara Ochiuz
- Faculty of Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Decebal Vasincu
- Department of Biophysics, Faculty of Dental Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Ana Maria Rotundu
- Faculty of Physics, "Alexandru Ioan Cuza" University of Iasi, 700506 Iasi, Romania
| | - Iulian Alin Rosu
- Faculty of Physics, "Alexandru Ioan Cuza" University of Iasi, 700506 Iasi, Romania
| | - Vlad Ghizdovat
- Department of Biophysics and Medical Physics, "Grigore T. Popa" University of Medicine and Pharmacy, Iasi 700115, Romania
| | - Simona Ruxandra Volovat
- Department of Medical Oncology-Radiotherapy, "Grigore T. Popa" University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
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7
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Thirumuruganandham SP, Cuevas Figueroa JL, Baños AT, Mowbray DJ, Terencio T, Martinez MO. Ab Initio Calculations of Chitosan Effects on the Electronic Properties of Unpassivated Triangular ZnO Nanowires Oriented along [0001] Directions. ACS OMEGA 2023; 8:2337-2343. [PMID: 36687030 PMCID: PMC9850742 DOI: 10.1021/acsomega.2c06740] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 12/07/2022] [Indexed: 05/09/2023]
Abstract
In recent years, both chitosan and ZnO nanostructures have been identified as potential antibacterial substances; however, the potential applications of chitosan adsorbed on ZnO nanowires have not been explored and could offer exciting new perspectives for both materials, for example, in biocompatible electronic circuits. In this work, we investigate the effect of chitosan on the electronic properties of triangular ZnO nanowires (ZnO NWs) from a theoretical perspective. All calculations were performed using density functional theory within the generalized gradient approximation. We considered six different positions of the chitosan molecule (CS) on the nanowire surface. We varied the amine position of CS, viewing it parallel, perpendicular, and at a 45° angle with respect to the NW axis. Our results show that all configurations are chemically stable; moreover, the interaction of the NW surface with the OH radical of CS creates flat states within the band gap energy of the ZnO NWs that might resemble p-doping. In addition, these states induce changes in the band gap energy of the ZnO NWs. All NWs show high chemical stability regardless of the CS position; hence, the adsorption results of all NW assemblies appear to be chemically favorable.
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Affiliation(s)
- Saravana Prakash Thirumuruganandham
- Centro
de Investigación de Ciencias Humanas y de la Educación
(CICHE), Universidad Indoamérica, Ambato, PC180103, Ecuador
- E-mail: , . Phone: +593-994765516
| | - José Luis Cuevas Figueroa
- Centro
de Investigación de Ciencias Humanas y de la Educación
(CICHE), Universidad Indoamérica, Ambato, PC180103, Ecuador
| | - Alejandro Trejo Baños
- Instituto
Politécnico Nacional, ESIME-Culhuacán, Av. Santa Ana 1000, 04430, Ciudad de México, Mexico
| | - Duncan John Mowbray
- School
of Physical Sciences and Nanotechnology, Yachay Tech University, Urcuquí100119, Ecuador
| | - Thibault Terencio
- Catalysis
Theory and Spectroscopy investigation group, School of Chemical Sciences
and Engineering, Yachay Tech University, Urcuquí100119, Ecuador
| | - Miguel Ojeda Martinez
- Universidad
de Guadalajara, Centro de Investigación en Nanociencia y Nanotecnología
de CUValles, Depto. de Ciencias Naturales
y Exactas, Ameca Jalisco46600, Mexico
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8
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Hu Z, Li J, Wei X, Wang C, Cao Y, Gao Z, Han J, Li Y. Enhancing Strain-Sensing Properties of the Conductive Hydrogel by Introducing PVDF-TrFE. ACS APPLIED MATERIALS & INTERFACES 2022; 14:45853-45868. [PMID: 36170495 DOI: 10.1021/acsami.2c13074] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Conductive hydrogels have attracted attention because of their wide application in wearable devices. However, it is still a challenge to achieve conductive hydrogels with high sensitivity and wide frequency band response for smart wearable strain sensors. Here, we report a composite hydrogel with piezoresistive and piezoelectric sensing for flexible strain sensors. The composite hydrogel consists of cross-linked chitosan quaternary ammonium salt (CHACC) as the hydrogel matrix, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT: PSS) as the conductive filler, and poly(vinylidene fluoride-co-trifluoroethylene) (PVDF-TrFE) as the piezoelectric filler. A one-pot thermoforming and solution exchange method was used to synthesize the CHACC/PEDOT: PSS/PVDF-TrFE hydrogel. The hydrogel-based strain sensor exhibits very high sensitivity (GF: 19.3), fast response (response time: 63.2 ms), and wide frequency range (response frequency: 5-25 Hz), while maintaining excellent mechanical properties (elongation at break up to 293%). It can be concluded that enhanced strain-sensing properties of the hydrogel are contributed to both greater change in the relative resistance under stress and wider response to dynamic and static stimulus by adding PVDF-TrFE. This has a broad application in monitoring human motion, detecting subtle movements, and identifying object contours and a hydrogel-based array sensor. This work provides an insight into the design of composite hydrogels based on piezoelectric and piezoresistive sensing with applications for wearable sensors.
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Affiliation(s)
- Zhirui Hu
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P. R. China
| | - Jie Li
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P. R. China
| | - Xiaotong Wei
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P. R. China
| | - Chen Wang
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P. R. China
| | - Yang Cao
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P. R. China
| | - Zhiqiang Gao
- School of Mechatronic Engineering, North University of China, Taiyuan 030051, P. R. China
| | - Jing Han
- School of Mechatronic Engineering, North University of China, Taiyuan 030051, P. R. China
| | - Yingchun Li
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, P. R. China
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9
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Mekahlia S, Douadi T. Chitosan–ZnO nanocomposite from a circular economy perspective: in situ cotton-used fabric recycling and the nanocomposite recovering. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-03859-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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10
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Ikram M, Muhammad Khan A, Haider A, Haider J, Naz S, Ul-Hamid A, Shahzadi A, Nabgan W, Shujah T, Shahzadi I, Ali S. Facile Synthesis of La- and Chitosan-Doped CaO Nanoparticles and Their Evaluation for Catalytic and Antimicrobial Potential with Molecular Docking Studies. ACS OMEGA 2022; 7:28459-28470. [PMID: 35990444 PMCID: PMC9386845 DOI: 10.1021/acsomega.2c02790] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 07/22/2022] [Indexed: 06/15/2023]
Abstract
In the current study, a low-cost and straightforward coprecipitation technique was adopted to synthesize CaO and La-doped CS/CaO NPs. Different weight ratios (2 and 4) of La were doped into fixed amounts of CS and CaO. Synthesized samples exhibited outstanding catalytic performance by degrading methylene blue (MB) in a highly efficient manner. The X-ray diffraction technique detected the presence of a cubic phase of CaO and a decrease in crystallite size of the samples with the addition of La. Fourier transform infrared spectroscopy confirmed the presence of the dopant and the base material with functional groups at 712 cm-1. A decrease in the absorption intensity of doped CaO was observed with an increasing amount of dopants La and CS accompanied by a blueshift leading to an increase in the band gap energy from 4.17 to 4.42 eV, as recorded with an ultraviolet-visible spectrophotometer. The presence of dopants (La and CS) and the evaluation of the elemental constitution of Ca and O were supported with the energy-dispersive spectroscopy technique. In an acidic medium, the catalytic activity against the MB dye was reduced (93.8%) for 4% La-doped CS/CaO. For La-doped CS/CaO, vast inhibition domains ranged within 4.15-4.70 and 5.82-8.05 mm against Escherichia coli while 4.15-5.20 and 6.65-13.10 mm against Staphylococcus aureus (S. aureus) at the least and maximum concentrations, correspondingly. In silico molecular docking studies suggested these nanocomposites of chitosan as possible inhibitors against the enoyl-acyl carrier protein reductase (FabI) from S. aureus.
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Affiliation(s)
- Muhammad Ikram
- Solar
Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan
| | - Aqib Muhammad Khan
- Department
of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore 54000, Pakistan
| | - Ali Haider
- Faculty
of Veterinary and Animal Sciences, Muhammad
Nawaz Shareef University of Agriculture, Multan 66000, Pakistan
| | - Junaid Haider
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Sadia Naz
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Anwar Ul-Hamid
- Core
Research Facilities, Research Institute, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | - Anum Shahzadi
- Faculty of
Pharmacy, The University of Lahore, Lahore 54000, Pakistan
| | - Walid Nabgan
- Departament
d’Enginyeria Química, Universitat
Rovira i Virgili, Av
Països Catalans 26, 43007 Tarragona, Spain
| | - Tahira Shujah
- Department
of Physics, University of Central Punjab, Lahore 54000, Pakistan
| | - Iram Shahzadi
- Punjab
University College of Pharmacy, University
of the Punjab, Lahore 54000, Punjab, Pakistan
| | - Salamat Ali
- Department
of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore 54000, Pakistan
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11
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Zhang W, Gao F, Cheng C, Lu L, Du H, Li Y, Hou W, Yang Y, Wang X. Evaluation of sulfonated oxidized chitosan antifungal activity against Fusarium graminearum. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1495-1510. [PMID: 35443893 DOI: 10.1080/09205063.2022.2068942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Chitosan biomaterials are widely used in the biological area because of their broad-spectrum antibacterial activity. However, chitosan cannot be dissolved in a neutral solution, limiting its application in various fields seriously. In this study, water-soluble sulfonated oxidized chitosan (SOCS) with antifungal activity were prepared by oxidization and sulfonation. Its structure was clearly confirmed by spectroscopy data (FTIR, 1H NMR, 13C NMR) and elemental analysis. SEM images of OCS and SOCS revealed that there was a little curly and an irregular sheet-like morphologies on them which was attributed to the oxidation and sulfonation on CS. Moreover, the FTIR and NMR indicated that -OH on the CS was oxidized into -COOH on the OCS and -SO3H groups on the SOCS. The EDS results of OCS and SOCS confirmed the presence of the oxygen element in OCS and the S element in SOCS. All studies confirmed the OCS and SOCS were synthesized successfully. Furthermore, the inhibitory activity of SOCS biocomposites against plant pathogenic fungi, (Fusarium graminearum), was investigated. The results showed that the SOCS have significant inhibitory effects on the mycelial growth of F. graminearum. The EC50 value of SOCS against F. graminearum is 79.46 μg/mL. The research results presented above indicated that SOCS can be used as a candidate material for the control of plant pathogenic fungi, and can broaden the application of chitosan materials in plant protection and sustainable agriculture.Research highlightsSOCS showed better solubility in deionized water.The antifungal effect of SOCS dissolved in acetic acid was higher than that of CS dissolved in acetic acid.SOCS dissolved in water can cause an inhibitory effect on F. graminearum at lower concentrations.
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Affiliation(s)
- Wenjing Zhang
- Hebei Key Laboratory of Active Components and Functions in Natural Products, Hebei Normal University of Science and Technology, Qinhuangdao, China
| | - Fengkun Gao
- Hebei Key Laboratory of Active Components and Functions in Natural Products, Hebei Normal University of Science and Technology, Qinhuangdao, China
| | - Caihong Cheng
- Hebei Key Laboratory of Active Components and Functions in Natural Products, Hebei Normal University of Science and Technology, Qinhuangdao, China
| | - Lei Lu
- Hebei Key Laboratory of Active Components and Functions in Natural Products, Hebei Normal University of Science and Technology, Qinhuangdao, China
| | - Haoyang Du
- Hebei Key Laboratory of Active Components and Functions in Natural Products, Hebei Normal University of Science and Technology, Qinhuangdao, China
| | - Yun Li
- Research Center of Rural Vitalization, Hebei Normal University of Science and Technology, Qinhuangdao, China
| | - Wenlong Hou
- Hebei Key Laboratory of Active Components and Functions in Natural Products, Hebei Normal University of Science and Technology, Qinhuangdao, China
| | - Yuedong Yang
- Hebei Key Laboratory of Active Components and Functions in Natural Products, Hebei Normal University of Science and Technology, Qinhuangdao, China
| | - Xiuping Wang
- Hebei Key Laboratory of Active Components and Functions in Natural Products, Hebei Normal University of Science and Technology, Qinhuangdao, China
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Sethi S, Medha, Kaith BS. A review on chitosan-gelatin nanocomposites: Synthesis, characterization and biomedical applications. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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Nesaragi AR, Gasti T, Metre TV, Anand A, Kamble RR, Chougale RB, Keri RS. Chitosan‐ZnO: An Efficient and Recyclable Polymer Incorporated Hybrid Nanocatalyst to Synthesize Tetrahydrobenzo[
b
]pyrans and Pyrano[2,3‐
d
]pyrimidinonesunder Microwave Expedition. ChemistrySelect 2022. [DOI: 10.1002/slct.202200604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Tilak Gasti
- Department of Studies in Chemistry Karnatak University Dharwad India 580003
| | - Tukaram V. Metre
- Department of Studies in Chemistry Karnatak University Dharwad India 580003
| | - Ashish Anand
- Solid State and Structural Chemistry Unit Indian Institute of Science Bangalore Karnataka India – 560012
| | - Ravindra R. Kamble
- Department of Studies in Chemistry Karnatak University Dharwad India 580003
| | | | - Rangappa S. Keri
- Centre for Nano and Material Sciences Jain University Jain Global Campus Bangalore India – 562112
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14
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Kalemtas A, Kocer HB, Aydin A, Terzioglu P, Aydin G. Mechanical and antibacterial properties of ZnO/chitosan bio-composite films. JOURNAL OF POLYMER ENGINEERING 2021. [DOI: 10.1515/polyeng-2021-0143] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
In the current study, ZnO/chitosan bio-composite films were produced via solution-casting method. Two different ZnO powders, micrometer (d50 ≅ 1.5 μm) and nanometer sized (d50 ≅ 100 nm), were used to investigate the effect of ZnO particle size and concentration (0, 2, and 8% w/w of chitosan) on the mechanical and antibacterial properties of the ZnO/chitosan bio-composite films. The incorporation of the ZnO powders into the chitosan film resulted in an increase in the tensile strength (TS) and a decrease in the elongation at break (EB) values. Mechanical test results revealed that TS and EB properties were considerably affected (p < 0.05) by the concentration and particle size of the ZnO reinforcement. Disc diffusion method demonstrated good antibacterial activities of bio-composite films containing high amount of ZnO (8% w/w of chitosan) against Escherichia coli, Staphylococcus aureus, Klebsiella pneumoniae, and Bacillus subtilis. The growth-limiting effect of the films was more pronounced for S. aureus and K. pneumoniae. Due to enhanced TS and imparted antibacterial activity of the produced ZnO/chitosan bio-composite films, these materials are promising candidates for applications such as food packaging, wound dressing, and antibacterial coatings for various surfaces.
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Affiliation(s)
- Ayse Kalemtas
- Department of Metallurgical and Materials Engineering , Bursa Technical University , Bursa , Turkey
| | - Hasan B. Kocer
- Department of Polymer Materials Engineering , Bursa Technical University , Bursa , Turkey
| | - Ahmet Aydin
- Department of Polymer Materials Engineering , Bursa Technical University , Bursa , Turkey
| | - Pinar Terzioglu
- Department of Polymer Materials Engineering , Bursa Technical University , Bursa , Turkey
| | - Gulsum Aydin
- Department of Biotechnology , Selcuk University , Konya 42130 , Turkey
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15
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Preparation and characterization of ZnO/Chitosan nanocomposite for Cs(I) and Sr(II) sorption from aqueous solutions. J Radioanal Nucl Chem 2021. [DOI: 10.1007/s10967-021-07935-1] [Citation(s) in RCA: 9] [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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16
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Innovative Antimicrobial Chitosan/ZnO/Ag NPs/Citronella Essential Oil Nanocomposite-Potential Coating for Grapes. Foods 2020; 9:foods9121801. [PMID: 33291604 PMCID: PMC7761909 DOI: 10.3390/foods9121801] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/02/2020] [Accepted: 12/02/2020] [Indexed: 12/26/2022] Open
Abstract
New packaging materials based on biopolymers are gaining increasing attention due to many advantages like biodegradability or existence of renewable sources. Grouping more antimicrobials agents in the same packaging can create a synergic effect, resulting in either a better antimicrobial activity against a wider spectrum of spoilage agents or a lower required quantity of antimicrobials. In the present work, we obtained a biodegradable antimicrobial film that can be used as packaging material for food. Films based on chitosan as biodegradable polymer, with ZnO and Ag nanoparticles as filler/antimicrobial agents were fabricated by a casting method. The nanoparticles were loaded with citronella essential oil (CEO) in order to enhance the antimicrobial activity of the nanocomposite films. The tests made on Gram-positive, Gram-negative, and fungal strains indicated a broad-spectrum antimicrobial activity, with inhibition diameters of over 30 mm for bacterial strains and over 20 mm for fungal strains. The synergic effect was evidenced by comparing the antimicrobial results with chitosan/ZnO/CEO or chitosan/Ag/CEO simple films. According to the literature and our preliminary studies, these formulations are suitable as coating for fruits. The obtained nanocomposite films presented lower water vapor permeability values when compared with the chitosan control film. The samples were characterized by SEM, fluorescence and UV-Vis spectroscopy, FTIR spectroscopy and microscopy, and thermal analysis.
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