1
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Dehghani P, Karthikeyan V, Tajabadi A, Assi DS, Catchpole A, Wadsworth J, Leung HY, Roy VAL. Rapid Near-Patient Impedimetric Sensing Platform for Prostate Cancer Diagnosis. ACS OMEGA 2024; 9:14580-14591. [PMID: 38560003 PMCID: PMC10976404 DOI: 10.1021/acsomega.4c00843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 03/01/2024] [Indexed: 04/04/2024]
Abstract
With the global escalation of concerns surrounding prostate cancer (PCa) diagnosis, reliance on the serologic prostate-specific antigen (PSA) test remains the primary approach. However, the imperative for early PCa diagnosis necessitates more effective, accurate, and rapid diagnostic point-of-care (POC) devices to enhance the result reliability and minimize disease-related complications. Among POC approaches, electrochemical biosensors, known for their amenability and miniaturization capabilities, have emerged as promising candidates. In this study, we developed an impedimetric sensing platform to detect urinary zinc (UZn) in both artificial and clinical urine samples. Our approach lies in integrating label-free impedimetric sensing and the introduction of porosity through surface modification techniques. Leveraging a cellulose acetate/reduced graphene oxide composite, our sensor's recognition layer is engineered to exhibit enhanced porosity, critical for improving the sensitivity, capture, and interaction with UZn. The sensitivity is further amplified by incorporating zincon as an external dopant, establishing highly effective recognition sites. Our sensor demonstrates a limit of detection of 7.33 ng/mL in the 0.1-1000 ng/mL dynamic range, which aligns with the reference benchmark samples from clinical biochemistry. Our sensor results are comparable with the results of inductively coupled plasma mass spectrometry (ICP-MS) where a notable correlation of 0.991 is achieved. To validate our sensor in a real-life scenario, tests were performed on human urine samples from patients being investigated for prostate cancer. Testing clinical urine samples using our sensing platform and ICP-MS produced highly comparable results. A linear correlation with R2 = 0.964 with no significant difference between two groups (p-value = 0.936) was found, thus confirming the reliability of our sensing platform.
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Affiliation(s)
- Parisa Dehghani
- James
Watt School of Engineering, University of
Glasgow, Glasgow G12 8QQ, U.K.
| | | | - Ataollah Tajabadi
- James
Watt School of Engineering, University of
Glasgow, Glasgow G12 8QQ, U.K.
| | - Dani S. Assi
- James
Watt School of Engineering, University of
Glasgow, Glasgow G12 8QQ, U.K.
| | - Anthony Catchpole
- Scottish
Trace Element and Micronutrient Diagnostic and Research Laboratory,
Department of Biochemistry, Royal Infirmary, Glasgow G31 2ER, U.K.
| | - John Wadsworth
- Scottish
Trace Element and Micronutrient Diagnostic and Research Laboratory,
Department of Biochemistry, Royal Infirmary, Glasgow G31 2ER, U.K.
| | - Hing Y. Leung
- Cancer
Research UK Scotland Institute, Glasgow G61 1BD, U.K.
- School
of Cancer Sciences, MVLS, University of
Glasgow, Glasgow G61 1BD, U.K.
| | - Vellaisamy A. L. Roy
- School
of Science and Technology, Hong Kong Metropolitan
University, Ho Man Tin, Hong Kong
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2
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Hou T, Li X, Lu Y, Zhou J, Zhang X, Liu S, Yang B. Fabrication of hierarchical porous ethyl cellulose fibrous membrane by electro-centrifugal spinning for drug delivery systems with excellent integrated properties. Int J Biol Macromol 2023:125141. [PMID: 37247705 DOI: 10.1016/j.ijbiomac.2023.125141] [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: 04/11/2023] [Revised: 05/22/2023] [Accepted: 05/26/2023] [Indexed: 05/31/2023]
Abstract
Drug delivery systems (DDSs) based on micro-and nano- fibrous membrane have been developed for decades, in which great attention has been focused on achieving controlled drug release. However, the study on the integrated performance of these drug-loaded membranes in the use of in-vitro drug delivery dressing is lacking, as clinical medication also needs consideration from the perspectives of wound safety and patient convenience. Herein, a trilayered hierarchical porous ethyl cellulose (EC) fibrous membrane based DDS (EC-DDS) was developed by electro-centrifugal spinning. Significantly, the hierarchical porous structure of the EC-DDSs with high specific surface area (34.3 m2g-1) and abundant long-regulative micro-and nano- channels demonstrated its merits in improving the hydrophobicity (long-term splash resistance (CA > 130°) and prolonging the drug release (the release time of ~80 % tetracycline hydrochloride (TCH) prolonged from 10 min to 24 h). Meanwhile, the trilayered EC-DDS also revealed excellent biocompatibility, antibacterial activity, air permeability, moisture permeability, water absorption capacity, mechanical strength, and flexibility. With these excellent integrated features, the EC-DDS could prevent external fluids, avoid infection, and provide comfort. Furthermore, this work also provides a new guide for the high-efficiency fabrication of porous fibrous membranes.
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Affiliation(s)
- Teng Hou
- National Engineering Lab for Textile Fiber Materials and Processing Technology, College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, 310018, China
| | - Xianglong Li
- National Engineering Lab for Textile Fiber Materials and Processing Technology, College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, 310018, China
| | - Yishen Lu
- National Engineering Lab for Textile Fiber Materials and Processing Technology, College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, 310018, China
| | - Jing Zhou
- National Engineering Lab for Textile Fiber Materials and Processing Technology, College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, 310018, China
| | - Xianggui Zhang
- National Engineering Lab for Textile Fiber Materials and Processing Technology, College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, 310018, China
| | - Shu Liu
- National Engineering Lab for Textile Fiber Materials and Processing Technology, College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, 310018, China
| | - Bin Yang
- National Engineering Lab for Textile Fiber Materials and Processing Technology, College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, 310018, China.
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3
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Radu ER, Voicu SI, Thakur VK. Polymeric Membranes for Biomedical Applications. Polymers (Basel) 2023; 15:polym15030619. [PMID: 36771921 PMCID: PMC9919920 DOI: 10.3390/polym15030619] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 01/16/2023] [Accepted: 01/21/2023] [Indexed: 01/27/2023] Open
Abstract
Polymeric membranes are selective materials used in a wide range of applications that require separation processes, from water filtration and purification to industrial separations. Because of these materials' remarkable properties, namely, selectivity, membranes are also used in a wide range of biomedical applications that require separations. Considering the fact that most organs (apart from the heart and brain) have separation processes associated with the physiological function (kidneys, lungs, intestines, stomach, etc.), technological solutions have been developed to replace the function of these organs with the help of polymer membranes. This review presents the main biomedical applications of polymer membranes, such as hemodialysis (for chronic kidney disease), membrane-based artificial oxygenators (for artificial lung), artificial liver, artificial pancreas, and membranes for osseointegration and drug delivery systems based on membranes.
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Affiliation(s)
- Elena Ruxandra Radu
- Department of Analytical Chemistry and Environmental Engineering, University Politehnica of Bucharest, 011061 Bucharest, Romania
- Advanced Polymers Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Stefan Ioan Voicu
- Department of Analytical Chemistry and Environmental Engineering, University Politehnica of Bucharest, 011061 Bucharest, Romania
- Advanced Polymers Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
- Correspondence: (S.I.V.); (V.K.T.)
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, Scotland’s Rural College (SRUC), Kings Buildings, Edinburgh EH9 3JG, UK
- School of Engineering, University of Petroleum & Energy Studies (UPES), Dehradun 248007, Uttarakhand, India
- Centre for Research & Development, Chandigarh University, Mohali 140413, Punjab, India
- Correspondence: (S.I.V.); (V.K.T.)
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4
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Verma C, Quraishi M. Carbohydrate Polymers-Modified Carbon Allotropes for Enhanced Anticorrosive Activity: State-of-Arts and Perspective. CHEMICAL ENGINEERING JOURNAL ADVANCES 2022. [DOI: 10.1016/j.ceja.2022.100428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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5
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Vatanpour V, Pasaoglu ME, Barzegar H, Teber OO, Kaya R, Bastug M, Khataee A, Koyuncu I. Cellulose acetate in fabrication of polymeric membranes: A review. CHEMOSPHERE 2022; 295:133914. [PMID: 35149008 DOI: 10.1016/j.chemosphere.2022.133914] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 01/25/2022] [Accepted: 02/05/2022] [Indexed: 05/22/2023]
Abstract
Developing biodegradable polymers to fabricate filtration membranes is one of the main challenges of membrane science and technology. Cellulose acetate (CA) membranes, due to their excellent film-forming property, high chemical and mechanical stability, high hydrophilicity, eco-friendly, and suitable cost, are extensively used in water and wastewater treatment, gas separation, and energy generation purposes. The CA is one of the first materials used to fabricate filtration membranes. However, in the last decade, the possibility of modification of CA to improve permeability and stability has attracted the researcher's attention again. This review is focused on the properties of cellulose derivatives and especially CA membranes in the fabrication of polymeric separation membranes in various applications such as filtration, gas separation, adsorption, and ion exchange membranes. Firstly, a brief introduction of CA properties and used molecular weights in the fabrication of membranes will be presented. After that, different configurations of CA membranes will be outlined, and the performance of CA membranes in several applications and configurations as the main polymer and as an additive in the fabrication of other polymer-based membranes will be discussed.
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Affiliation(s)
- Vahid Vatanpour
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey; Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, Tehran, 15719-14911, Iran; Environmental Engineering Department, Istanbul Technical University, Maslak, Istanbul, 34469, Turkey.
| | - Mehmet Emin Pasaoglu
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey; Environmental Engineering Department, Istanbul Technical University, Maslak, Istanbul, 34469, Turkey
| | - Hossein Barzegar
- Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, Tehran, 15719-14911, Iran
| | - Oğuz Orhun Teber
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey
| | - Recep Kaya
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey
| | - Muhammed Bastug
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey
| | - Alireza Khataee
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran; Department of Environmental Engineering, Gebze Technical University, 41400, Gebze, Turkey
| | - Ismail Koyuncu
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey; Environmental Engineering Department, Istanbul Technical University, Maslak, Istanbul, 34469, Turkey.
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6
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The Use of Graphene and Its Derivatives for the Development of Polymer Matrix Composites by Stereolithographic 3D Printing. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12073521] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Significant advances in graphene-based materials have facilitated the development of various composites structures in a diverse range of industry sectors. At present, the preparation of graphene-added materials is mainly developed through traditional methods. However, in recent years, additive manufacturing emerged as a promising approach that enables the printing of complex objects in a layer-by-layer fashion, without the need for moulds or machining equipment. This paper reviews the most recent reports on graphene-based photopolymerizable resins developed for stereolithography (SLA), with particular consideration for medical applications. The characteristics of the SLA technology, the most suitable raw materials and formulations and the properties of final 3D products are described. Throughout, a specific focus is placed on the mechanical properties and biocompatibility of the final 3D-printed object. Finally, remaining challenges and future directions are also discussed.
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7
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Paixão GA, Souza TG, Pradela Filho LA, Ferreira MV, Takeuchi RM, Assunção RMN, Kikuti E. Low‐cost
conductive films based on graphite and cellulose acetate as promising electroanalytical platforms. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5391] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Guilherme A. Paixão
- Department Center of Education and Human Sciences Federal University of São Carlos São Carlos Brazil
| | - Thaís G. Souza
- Pontal Institute of Exact and Natural Sciences Federal University of Uberlândia Ituiutaba Brazil
| | | | - Marcos V. Ferreira
- Institute of Chemistry Federal University of Uberlândia Uberlândia Brazil
| | - Regina M. Takeuchi
- Pontal Institute of Exact and Natural Sciences Federal University of Uberlândia Ituiutaba Brazil
- Institute of Chemistry Federal University of Uberlândia Uberlândia Brazil
| | - Rosana M. N. Assunção
- Pontal Institute of Exact and Natural Sciences Federal University of Uberlândia Ituiutaba Brazil
- Institute of Chemistry Federal University of Uberlândia Uberlândia Brazil
| | - Elaine Kikuti
- Institute of Chemistry Federal University of Uberlândia Uberlândia Brazil
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8
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Oprea M, Voicu SI. Cellulose Composites with Graphene for Tissue Engineering Applications. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E5347. [PMID: 33255827 PMCID: PMC7728350 DOI: 10.3390/ma13235347] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 11/24/2020] [Accepted: 11/24/2020] [Indexed: 12/20/2022]
Abstract
Tissue engineering is an interdisciplinary field that combines principles of engineering and life sciences to obtain biomaterials capable of maintaining, improving, or substituting the function of various tissues or even an entire organ. In virtue of its high availability, biocompatibility and versatility, cellulose was considered a promising platform for such applications. The combination of cellulose with graphene or graphene derivatives leads to the obtainment of superior composites in terms of cellular attachment, growth and proliferation, integration into host tissue, and stem cell differentiation toward specific lineages. The current review provides an up-to-date summary of the status of the field of cellulose composites with graphene for tissue engineering applications. The preparation methods and the biological performance of cellulose paper, bacterial cellulose, and cellulose derivatives-based composites with graphene, graphene oxide and reduced graphene oxide were mainly discussed. The importance of the cellulose-based matrix and the contribution of graphene and graphene derivatives fillers as well as several key applications of these hybrid materials, particularly for the development of multifunctional scaffolds for cell culture, bone and neural tissue regeneration were also highlighted.
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Affiliation(s)
- Madalina Oprea
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gheorghe Polizu 1-7, 011061 Bucharest, Romania;
| | - Stefan Ioan Voicu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gheorghe Polizu 1-7, 011061 Bucharest, Romania;
- Advanced Polymer Materials Group, Faculty of Applied Chemistry and Material Science, University Politehnica of Bucharest, Gheorghe Polizu 1-7, 011061 Bucharest, Romania
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9
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Vatanpour V, Faghani S, Keyikoglu R, Khataee A. Enhancing the permeability and antifouling properties of cellulose acetate ultrafiltration membrane by incorporation of ZnO@graphitic carbon nitride nanocomposite. Carbohydr Polym 2020; 256:117413. [PMID: 33483008 DOI: 10.1016/j.carbpol.2020.117413] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 10/23/2020] [Accepted: 11/13/2020] [Indexed: 02/06/2023]
Abstract
This study reports the modification of cellulose acetate (CA) membrane with zinc oxide (ZnO)@graphitic carbon nitride (g-C3N4) nanocomposite to improve the antifouling and separation performance. Different combinations of the CA-based membranes such as CA/g-C3N4, CA/ZnO, and CA/ZnO@g-C3N4 were fabricated using the non-solvent induced phase separation (NIPS) method. Membranes were analyzed for their morphology (SEM), porosity, pore size, contact angle, permeability, rejection, and antifouling properties. According to the SEM images of CA/ZnO@g-C3N4, the formation of pear-shaped macro voids and finger-like canals originating from the top layer was evident. Nanocomposite blended membrane with 0.25 wt.% ZnO@g-C3N4 achieved the largest pore radius (3.05 nm) and the lowest contact angle (67.7°). With these characteristics, 0.25 wt.% ZnO@g-C3N4 membrane obtained a pure water flux of 51.3 LMH, which is 2.1 times greater than the bare CA and high BSA and dye rejections with 97.20% and 93.7% respectively. Finally, the antifouling resistance of the CA membrane was greatly improved with FRR increasing from 73.7% to 94.8%, which was accompanied by a significant decrease in the fouling resistance parameters.
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Affiliation(s)
- Vahid Vatanpour
- Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, P.O. Box 15719‑14911, Tehran, Iran.
| | - Somayeh Faghani
- Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, P.O. Box 15719‑14911, Tehran, Iran
| | - Ramazan Keyikoglu
- Department of Environmental Engineering, Gebze Technical University, 41400 Gebze, Turkey; Department of Environmental Engineering, Bursa Technical University, 16310 Bursa, Turkey
| | - Alireza Khataee
- Department of Environmental Engineering, Gebze Technical University, 41400 Gebze, Turkey; Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran.
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10
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Urbina L, Eceiza A, Gabilondo N, Corcuera MÁ, Retegi A. Tailoring the in situ conformation of bacterial cellulose-graphene oxide spherical nanocarriers. Int J Biol Macromol 2020; 163:1249-1260. [PMID: 32673723 DOI: 10.1016/j.ijbiomac.2020.07.077] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/02/2020] [Accepted: 07/08/2020] [Indexed: 10/23/2022]
Abstract
Bacterial cellulose (BC)/graphene oxide (GO) sphere-like hydrogels have been biosynthesized by in situ route in dynamic cultivation. The GO concentration during BC biosynthesis (0.01 and 0.05 mg mL-1) was the determining factor for the conformation of the final hydrogels: encapsulation (BC/GO 0.01) or distribution through all the body of the spheres (BC/GO 0.05). The as-prepared sphere hydrogels were characterized in terms of physico-chemical properties, thermal stability, microstructure, and swelling capacity in different media. In addition, a chemical treatment with ascorbic acid was performed in order to obtain reduced graphene oxide (rGO) into the spheres (BC/rGO). After the chemical treatment, electrostatic force microscopy (EFM) revealed electrical interactions due to the presence of rGO inside the spheres and resistivity values in the range of semiconductive materials were obtained (106 Ω·cm), making BC/rGO spheres promising for the development of electro-stimulated systems. The in vitro release study of ibuprofen (IB), showed that the reduction process led to an increase of 73 and 92% of drug release with respect to BC/GO 0.05 and BC/GO 0.01 spheres, respectively. Moreover, the encapsulation conformation showed more homogeneous porous structure and thus, a cumulative drug release of 63% was reached after 6 h.
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Affiliation(s)
- Leire Urbina
- 'Materials + Technologies' Group, Engineering School of Gipuzkoa, Department of Chemical and Environmental Engineering, University of the Basque Country (UPV/EHU), Pza. Europa 1, 20018 Donostia-San Sebastián, Spain.
| | - Arantxa Eceiza
- 'Materials + Technologies' Group, Engineering School of Gipuzkoa, Department of Chemical and Environmental Engineering, University of the Basque Country (UPV/EHU), Pza. Europa 1, 20018 Donostia-San Sebastián, Spain.
| | - Nagore Gabilondo
- 'Materials + Technologies' Group, Engineering School of Gipuzkoa, Department of Chemical and Environmental Engineering, University of the Basque Country (UPV/EHU), Pza. Europa 1, 20018 Donostia-San Sebastián, Spain.
| | - María Ángeles Corcuera
- 'Materials + Technologies' Group, Engineering School of Gipuzkoa, Department of Chemical and Environmental Engineering, University of the Basque Country (UPV/EHU), Pza. Europa 1, 20018 Donostia-San Sebastián, Spain.
| | - Aloña Retegi
- 'Materials + Technologies' Group, Engineering School of Gipuzkoa, Department of Chemical and Environmental Engineering, University of the Basque Country (UPV/EHU), Pza. Europa 1, 20018 Donostia-San Sebastián, Spain.
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11
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Pandele AM, Iovu H, Orbeci C, Tuncel C, Miculescu F, Nicolescu A, Deleanu C, Voicu SI. Surface modified cellulose acetate membranes for the reactive retention of tetracycline. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117145] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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12
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K A SR, Shajahan AS, Chakraborty B, Rout CS. The role of carbon nanotubes in enhanced charge storage performance of VSe 2: experimental and theoretical insight from DFT simulations. RSC Adv 2020; 10:31712-31719. [PMID: 35518156 PMCID: PMC9056424 DOI: 10.1039/d0ra06773c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Accepted: 08/17/2020] [Indexed: 11/21/2022] Open
Abstract
Herein, we report the hybrid structure of metallic VSe2 and multi-walled carbon nanotube (MWCNT) based hybrid materials for high performance energy storage and high power operation applications. The dominance of capacitive energy storage performance behaviour of VSe2/MWCNT hybrids is observed. A symmetric supercapacitor cell device fabricated using VSe2/80 mg MWCNT delivered a high energy density of 46.66 W h kg-1 and a maximum power density of 14.4 kW kg-1 with a stable cyclic operation of 87% after 5000 cycles in an aqueous electrolyte. Using density functional theory calculations we have presented structural and electronic properties of the hybrid VSe2/MWCNT structure. Enhanced states near the Fermi level and higher quantum capacitance for the hybrid structure contribute towards higher energy and power density for the nanotube/VSe2.
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Affiliation(s)
- Sree Raj K A
- Centre for Nano and Material Sciences Jain Global Campus, Jakkasandra, Ramanagaram Bangalore-562112 India
| | - Afsal S Shajahan
- High Pressure and Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre Trombay Mumbai 400085 India
| | - Brahmananda Chakraborty
- High Pressure and Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre Trombay Mumbai 400085 India.,Homi Bhabha National Institute Mumbai 400094 India
| | - Chandra Sekhar Rout
- Centre for Nano and Material Sciences Jain Global Campus, Jakkasandra, Ramanagaram Bangalore-562112 India
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13
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Polysulfone Composite Membranes with Carbonaceous Structure. Synthesis and Applications. COATINGS 2020. [DOI: 10.3390/coatings10070609] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The present review deals with the latest progress in the field of polysulfone composite membranes with carbon nanotubes, carbon fiber and graphene from both perspectives-synthesis and applications. These two fillers, extensively used in the last few years due to their remarkable properties, induce a high value character to the composite materials. On the other hand, polysulfone is one the most used polymers for preparing polymeric membranes due to its high versatility in a wide range of solvents and also to the properties of this remarkable polymer. All types of synthesis method were presented and also a large number of applications from industrial to biomedical were presented and discussed.
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14
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Oprea M, Voicu SI. Recent advances in composites based on cellulose derivatives for biomedical applications. Carbohydr Polym 2020; 247:116683. [PMID: 32829811 DOI: 10.1016/j.carbpol.2020.116683] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/21/2020] [Accepted: 06/22/2020] [Indexed: 01/17/2023]
Abstract
Cellulose derivatives represent a viable alternative to pure cellulose due to their solubility in water and common organic solvents. This, coupled with their low cost, biocompatibility, and biodegradability, makes them an attractive choice for applications related to the biomedicine and bioanalysis area. Cellulose derivatives-based composites with improved properties were researched as films and membranes for osseointegration, hemodialysis and biosensors, smart textile fibers, tissue engineering scaffolds, hydrogels and nanoparticles for drug delivery. The different preparation strategies of these polymeric composites as well as the most recent available experimental results were described in this review. General aspects such as structure and properties of cellulose extracted from plants or bacterial sources, types of cellulose derivatives and their synthesis methods were also discussed. Finally, the future perspectives related to composites based on cellulose derivatives were highlighted and some conclusions regarding the reviewed applications were drawn.
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Affiliation(s)
- Madalina Oprea
- National Institute for Research and Development in Chemistry and Petrochemistry - ICECHIM, Splaiul Independentei 202, 060021 Bucharest, Romania; Department of Analytical Chemistry and Environmental Engineering, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Stefan Ioan Voicu
- Department of Analytical Chemistry and Environmental Engineering, University Politehnica of Bucharest, 011061 Bucharest, Romania; Advanced Polymers Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania.
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15
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Oprea M, Voicu SI. Recent Advances in Applications of Cellulose Derivatives-Based Composite Membranes with Hydroxyapatite. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2481. [PMID: 32486050 PMCID: PMC7321373 DOI: 10.3390/ma13112481] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 05/27/2020] [Accepted: 05/28/2020] [Indexed: 12/21/2022]
Abstract
The development of novel polymeric composites based on cellulose derivatives and hydroxyapatite represents a fascinating and challenging research topic in membranes science and technology. Cellulose-based materials are a viable alternative to synthetic polymers due to their favorable physico-chemical and biological characteristics. They are also an appropriate organic matrix for the incorporation of hydroxyapatite particles, inter and intramolecular hydrogen bonds, as well as electrostatic interactions being formed between the functional groups on the polymeric chains surface and the inorganic filler. The current review presents an overview on the main application fields of cellulose derivatives/hydroxyapatite composite membranes. Considering the versatility of hydroxyapatite particles, the hybrid materials offer favorable prospects for applications in water purification, tissue engineering, drug delivery, and hemodialysis. The preparation technique and the chemical composition have a big influence on the final membrane properties. The well-established membrane fabrication methods such as phase inversion, electrospinning, or gradual electrostatic assembly are discussed, together with the various strategies employed to obtain a homogenous dispersion of the inorganic particles in the polymeric matrix. Finally, the main conclusions and the future directions regarding the preparation and applications of cellulose derivatives/hydroxyapatite composite membranes are presented.
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Affiliation(s)
- Madalina Oprea
- National Institute for Research and Development in Chemistry and Petrochemistry ICECHIM, Splaiul Independentei 202, 060021 Bucharest, Romania;
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gheorghe Polizu 1-7, 011061 Bucharest, Romania
| | - Stefan Ioan Voicu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gheorghe Polizu 1-7, 011061 Bucharest, Romania
- Advanced Polymer Materials Group, Faculty of Applied Chemistry and Material Science, University Polytehnica of Bucharest, Gheorghe Polizu 1-7, 011061 Bucharest, Romania
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16
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Zhou L, Pan F, Zeng S, Li Q, Bai L, Liu Y, Nie Y. Ionic liquid assisted fabrication of cellulose‐based conductive films for Li‐ion battery. J Appl Polym Sci 2020. [DOI: 10.1002/app.49430] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Le Zhou
- CAS Key Laboratory of Green Process and EngineeringBeijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
- School of Chemical EngineeringUniversity of Chinese Academy of Sciences Beijing China
- Zhengzhou Institute of Emerging Industrial Technology Zhengzhou China
| | - Fengjiao Pan
- CAS Key Laboratory of Green Process and EngineeringBeijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
- School of Chemical EngineeringUniversity of Chinese Academy of Sciences Beijing China
- Zhengzhou Institute of Emerging Industrial Technology Zhengzhou China
| | - Shaojuan Zeng
- CAS Key Laboratory of Green Process and EngineeringBeijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
- School of Chemical EngineeringUniversity of Chinese Academy of Sciences Beijing China
| | - Qiongguang Li
- CAS Key Laboratory of Green Process and EngineeringBeijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
- School of Chemical EngineeringUniversity of Chinese Academy of Sciences Beijing China
| | - Lu Bai
- CAS Key Laboratory of Green Process and EngineeringBeijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
| | - Yanrong Liu
- Energy Engineering, Division of Energy ScienceLuleå University of Technology Luleå Sweden
| | - Yi Nie
- CAS Key Laboratory of Green Process and EngineeringBeijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
- School of Chemical EngineeringUniversity of Chinese Academy of Sciences Beijing China
- Zhengzhou Institute of Emerging Industrial Technology Zhengzhou China
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17
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Synthesis and Characterization of Cellulose Acetate Membranes with Self-Indicating Properties by Changing the Membrane Surface Color for Separation of Gd(III). COATINGS 2020. [DOI: 10.3390/coatings10050468] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This study presents a new, revolutionary, and easy method for evaluating the separation process through a membrane that is based on changing the color of the membrane surface during the separation process. For this purpose, a cellulose acetate membrane surface was modified in several steps: initially with amino propyl triethoxysilane, followed by glutaraldehyde reaction and calmagite immobilization. Calmagite was chosen for its dual role as a molecule that will complex and retain Gd(III) and also as an indicator for Gd(III). At the contact with the membrane surface, calmagite will actively complex and retain Gd(III), and it will change the color of the membrane surface during the complexation process, showing that the separation occurred. The synthesized materials were characterized by Fourier transform infrared spectroscopy (FT-IR), thermal analysis (TGA-DTA), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy, demonstrating the synthesis of membrane material with self-indicating properties. In addition, in the separation of the Gd(III) process, in which a solution of gadolinium nitrate was used as a source and as a moderator in nuclear reactors, the membrane changed its color from blue to pink. The membrane performances were tested by Induced Coupled Plasma–Mass Spectrometry (ICP-MS) analyses showing a separation process efficiency of 86% relative to the initial feed solution.
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18
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Biodegradation Pattern of Glycopolymer Based on D-Mannose Oligomer and Hydroxypropyl Acrylate. Polymers (Basel) 2020; 12:polym12030704. [PMID: 32235772 PMCID: PMC7183276 DOI: 10.3390/polym12030704] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/16/2020] [Accepted: 03/18/2020] [Indexed: 12/21/2022] Open
Abstract
Glycopolymers are polymers with sugar moieties which display biodegradable and/or biocompatible character. They have emerged as an environmentally-friendly solution to classical synthetic polymers and have attracted significant research interest in the past years. Herein, we present the synthesis of a D-mannose based glycopolymer with biodegradable features. The glycopolymer was synthesized by radical copolymerization between a D-mannose oligomer bearing polymerizable double bonds and 2-hydroxypropyl acrylate, in a weight ratio of 1:2. The copolymerization kinetics was investigated by differential scanning calorimetry (DSC) and the activation energy of the process was comparatively assessed by Kissinger-Akahira-Sunose and Flynn-Wall-Ozawa methods. The obtained glycopolymer displayed good thermal behavior, fact proven by thermogravimetrical (TG) analysis and it was submitted to biodegradation inside a bioreactor fed with water from the Bega River as the source of microbial inoculum. The glycopolymer sample degraded by approximately 60% in just 23 days. The biodegradation pattern of the glycopolymer was successfully fitted against a modified sigmoidal exponential function. The kinetic model coefficients and its accuracy were calculated using Matlab and the correlation coefficient is more than promising. The changes inside glycopolymer structure after biodegradation were studied using TG and FTIR analyses, which revealed that the sugar moiety is firstly attacked by the microbial consortia as nutrient source for proliferation.
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19
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Novel Synthesis of Core-Shell Biomaterials from Polymeric Filaments with a Bioceramic Coating for Biomedical Applications. COATINGS 2020. [DOI: 10.3390/coatings10030283] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Bone tissue engineering is constantly in need of new material development with improved biocompatibility or mechanical features closer to those of natural bone. Other important factors are the sustainability, cost, and origin of the natural precursors involved in the technological process. This study focused on two widely used polymers in tissue engineering, namely polylactic acid (PLA) and thermoplastic polyurethane (TPU), as well as bovine-bone-derived hydroxyapatite (HA) for the manufacturing of core-shell structures. In order to embed the ceramic particles on the polymeric filaments surface, the materials were introduced in an electrical oven at various temperatures and exposure times and under various pressing forces. The obtained core-shell structures were characterized in terms of morphology and composition, and a pull-out test was used to demonstrate the particles adhesion on the polymeric filaments structure. Thermal properties (modulated temperature and exposure time) and the pressing force’s influence upon HA particles’ insertion degree were evaluated. More to the point, the form variation factor and the mass variation led to the optimal technological parameters for the synthesis of core-shell materials for prospect additive manufacturing and regenerative medicine applications.
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20
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Pham XN, Pham DT, Ngo HS, Nguyen MB, Doan HV. Characterization and application of C–TiO2 doped cellulose acetate nanocomposite film for removal of Reactive Red-195. CHEM ENG COMMUN 2020. [DOI: 10.1080/00986445.2020.1712375] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Xuan Nui Pham
- Department of Chemical Engineering, Hanoi University of Mining and Geology, Hanoi, Vietnam
| | - Duc Trong Pham
- Department of Chemical Engineering, Hanoi University of Mining and Geology, Hanoi, Vietnam
| | - Ha Son Ngo
- Department of Chemical Engineering, Hanoi University of Mining and Geology, Hanoi, Vietnam
| | - Manh B. Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
| | - Huan V. Doan
- Department of Chemical Engineering, Hanoi University of Mining and Geology, Hanoi, Vietnam
- Department of Mechanical Engineering, University of Bristol, Bristol, UK
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21
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Zhang J, Li R, Ding G, Wang Y, Wang C. Sorptive removal of phenanthrene from water by magnetic carbon nanomaterials. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111540] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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22
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Pană AM, Gherman V, Sfȋrloagă P, Rusu G, Bandur G, Popa M, Rusnac LM, Dumitrel GA. Biodegradation studies on new glycopolymers derived from oligomeric d-mannose itaconates and 2-hydroxypropyl acrylate. Polym Degrad Stab 2019. [DOI: 10.1016/j.polymdegradstab.2019.07.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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23
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Ignat SR, Lazăr AD, Şelaru A, Samoilă I, Vlăsceanu GM, Ioniţă M, Radu E, Dinescu S, Costache M. Versatile Biomaterial Platform Enriched with Graphene Oxide and Carbon Nanotubes for Multiple Tissue Engineering Applications. Int J Mol Sci 2019; 20:ijms20163868. [PMID: 31398874 PMCID: PMC6720708 DOI: 10.3390/ijms20163868] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 07/26/2019] [Accepted: 08/05/2019] [Indexed: 01/05/2023] Open
Abstract
Carbon-based nanomaterials, such as graphene oxide (GO) or carbon nanotubes (CNTs) are currently used in various medical applications due to their positive influence on biocompatibility, adhesion, proliferation, and differentiation, as well as their contribution to modulating cell behavior in response to nanomaterial substrates. In this context, in this study, novel flexible membranes based on cellulose acetate (CA) enriched with CNT and GO in different percentages were tested for their versatility to be used as substrates for soft or hard tissue engineering (TE), namely, for their ability to support human adipose-derived stem cells (hASCs) adhesion during adipogenic or osteogenic differentiation. For this purpose, differentiation markers were assessed both at gene and protein levels, while histological staining was performed to show the evolution of the processes in response to CA-CNT-GO substrates. Micro-CT analysis indicated porous morphologies with open and interconnected voids. A slightly lower total porosity was obtained for the samples filled with the highest amount of GO and CNTs, but thicker walls, larger and more uniform pores were obtained, providing beneficial effects on cell behavior and increased mechanical stability. The addition of 1 wt% GO and CNT to the biocomposites enhanced hASCs adhesion and cytoskeleton formation. The evolution of both adipogenic and osteogenic differentiation processes was found to be augmented proportionally to the GO-CNT concentration. In conclusion, CA-CNT-GO biomaterials displayed good properties and versatility as platforms for cell differentiation with potential as future implantable materials in TE applications.
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Affiliation(s)
- Simona-Rebeca Ignat
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Andreea Daniela Lazăr
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Aida Şelaru
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Iuliana Samoilă
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania
| | - George Mihail Vlăsceanu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Mariana Ioniţă
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Eugen Radu
- Molecular Biology and Pathology Research Lab "MolImagex", University Hospital Bucharest, 050098 Bucharest, Romania
| | - Sorina Dinescu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania.
| | - Marieta Costache
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania
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24
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Yıldız Ş, Morcali MH, Ziba CA, Copcu B, Dolaz M. Synthesis and Characterization of Cellulose Derivatives from Industrial Towel Waste. ChemistrySelect 2019. [DOI: 10.1002/slct.201900398] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Şeyma Yıldız
- Department of ChemistryKahramanmaras Sutcu Imam University Kahramanmaras 46100 Turkey
| | - Mehmet H. Morcali
- Department of Environmental EngineeringKahramanmaras Sutcu Imam University Kahramanmaras 46100 Turkey
- Research and Development Centre for University—Industry—Public RelationsKahramanmaras Sutcu Imam University Kahramanmaras 46100 Turkey
| | - Cengiz A. Ziba
- Research and Development Centre for University—Industry—Public RelationsKahramanmaras Sutcu Imam University Kahramanmaras 46100 Turkey
| | - Burcu Copcu
- Department of ChemistryKahramanmaras Sutcu Imam University Kahramanmaras 46100 Turkey
| | - Mustafa Dolaz
- Department of Environmental EngineeringKahramanmaras Sutcu Imam University Kahramanmaras 46100 Turkey
- Research and Development Centre for University—Industry—Public RelationsKahramanmaras Sutcu Imam University Kahramanmaras 46100 Turkey
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25
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Ye G, Yu Z, Li Y, Li L, Song L, Gu L, Cao X. Efficient treatment of brine wastewater through a flow-through technology integrating desalination and photocatalysis. WATER RESEARCH 2019; 157:134-144. [PMID: 30953848 DOI: 10.1016/j.watres.2019.03.058] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 03/19/2019] [Accepted: 03/26/2019] [Indexed: 06/09/2023]
Abstract
Many current treatments for brine wastewaters are energy-intensive, chemical-intensive, and involve independent process in the removal of salts and contaminants. We demonstrate that through the integration of capacitive deionization and photocatalysis reactions within carbon nanotubes (CNTs) based membrane system, we are able to realize the purification and desalination of wastewaters via single-step, energy-efficient, and environmentally friendly route. We firstly designed the membrane system consisting of graphitic carbon nitride (g-C3N4), CNTs membrane, and poly(vinyl alcohol)-formaldehyde (PVF) foam. Then, two identical membrane systems were used as permeable electrodes and photocatalytic microreactors to construct the flow-through setup. The tests of the setup with a variety of dye solution, antibiotics solution, and actual wastewaters prove that wastewaters passing through the setup promptly turn to clean water with significantly decreased salinity. This is because the setup can use C3N4 modified CNTs membrane to adsorb organic contaminants and inorganic ions and decompose contaminants via photocatalysis reactions. In addition, by discharging the setup, its adsorption capacity towards salts is easily recovered. Consequently, the flow-through setup is observed to exhibit stable performance for concurrent removal of organic contaminants and inorganic salts in multiple cycles.
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Affiliation(s)
- Gui Ye
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China
| | - Zhiyong Yu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China
| | - Yiming Li
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China
| | - Lei Li
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China
| | - Li Song
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China.
| | - Li Gu
- School of Materials and Textile Engineering, Jiaxing University, Jiaxing, Zhejiang, 314001, China.
| | - Xuebo Cao
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China.
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26
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Wang YT, Tu CH, Lin YS. Application of Graphene and Carbon Nanotubes on Carbon Felt Electrodes for the Electro-Fenton System. MATERIALS 2019; 12:ma12101698. [PMID: 31130594 PMCID: PMC6567037 DOI: 10.3390/ma12101698] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/15/2019] [Accepted: 05/23/2019] [Indexed: 12/02/2022]
Abstract
The electro-Fenton system has the ability to degrade wastewater and has received attention from many researchers. Currently, the core development objective is to effectively increase the degraded wastewater decolorization efficiency in the system. In this study, to improve the electro-Fenton system reaction rate and overall electrical properties, we used polyvinylidene difluoride to fix carbon nanotubes (CNTs) and graphene onto the system cathode (carbon felt electrode), which was then used to process Reactive Black 5 wastewater. Furthermore, we (1) used scanning electron microscopy to observe the structural changes in the electrode surface after modification; (2) used the Tafel curve to determine the electrode corrosion voltage and corrosion rate; and (3) analyzed the azo-dye decolorization level. The results showed that the maximum system decolorization rates of the CNT- and graphene-modified carbon felt electrodes were 55.3% and 70.1%, respectively. These rates were, respectively, 1.2 and 1.5 times higher than that of the unmodified carbon felt electrode, implying that we successfully improved the cathode characteristics. The modified electrode exhibited an improved conductivity and corrosion resistance, which, in turn, improved the system decolorization efficiency. This significantly increased the electro-Fenton system overall efficacy, making it valuable for future applications.
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Affiliation(s)
- Yi-Ta Wang
- Department of Mechanical and Electro-Mechanical Engineering, National I-Lan University, Yilan City 26047, Taiwan.
| | - Chang-Hung Tu
- Department of Mechanical and Electro-Mechanical Engineering, National I-Lan University, Yilan City 26047, Taiwan.
| | - Yue-Sheng Lin
- Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan.
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27
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Li TT, Zhong Y, Yan M, Zhou W, Xu W, Huang SY, Sun F, Lou CW, Lin JH. Synergistic Effect and Characterization of Graphene/Carbon Nanotubes/Polyvinyl Alcohol/Sodium Alginate Nanofibrous Membranes Formed Using Continuous Needleless Dynamic Linear Electrospinning. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E714. [PMID: 31071951 PMCID: PMC6567264 DOI: 10.3390/nano9050714] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 04/27/2019] [Accepted: 05/04/2019] [Indexed: 01/23/2023]
Abstract
In this study, a self-made continuous needleless dynamic linear electrospinning technique is employed to fabricate large-scale graphene (Gr)/carbon nanotubes (CNT)/polyvinyl alcohol (PVA)/sodium alginate (SA) nanofibrous membranes. The synergistic effect of Gr and CNT fillers in the PVA/SA membrane is explored in depth by changing the volume ratio (v/v) of Gr and CNT as 10:0, 8:2, 6:4, 4:6, 2:8, and 0:10. Microstructure, functional group, conductivity, and hydrophilicity of PVA/SA/Gr/CNT membranes was characterized. Results show that the linear electrode needleless electrospinning technique can be spun into 200-nm diameter fibers. The PVA/SA/Gr/CNT fibrous membrane has good hydrophilicity and thermal stability. A Gr/CN ratio of 6:4 possessed the optimal synergistic effect, which showed the lowest surface resistivity of 2.53 × 103 Ω/m2. This study will provide a reference for the large-scale preparation of nanofibrous membrane used as a artificial nerve conduit in the future.
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Affiliation(s)
- Ting-Ting Li
- Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China.
- Tianjin and Education Ministry Key Laboratory of Advanced Textile Composite Materials, Tianjin Polytechnic University, Tianjin 300387, China.
- Fujian Key Laboratory of Novel Functional Fibers and Materials, Minjiang University, Fuzhou 350108, China.
| | - Yanqin Zhong
- Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China.
- Tianjin and Education Ministry Key Laboratory of Advanced Textile Composite Materials, Tianjin Polytechnic University, Tianjin 300387, China.
| | - Mengxue Yan
- Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China.
- Tianjin and Education Ministry Key Laboratory of Advanced Textile Composite Materials, Tianjin Polytechnic University, Tianjin 300387, China.
| | - Wei Zhou
- Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China.
| | - Wenting Xu
- Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China.
| | - Shih-Yu Huang
- Fujian Key Laboratory of Novel Functional Fibers and Materials, Minjiang University, Fuzhou 350108, China.
- Department of Chemical Engineering and Materials, Ocean College, Minjiang University, Fuzhou 350108, China.
| | - Fei Sun
- Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China.
| | - Ching-Wen Lou
- Fujian Key Laboratory of Novel Functional Fibers and Materials, Minjiang University, Fuzhou 350108, China.
- Department of Chemical Engineering and Materials, Ocean College, Minjiang University, Fuzhou 350108, China.
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 41354, Taiwan.
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan.
- College of Textile and Clothing, Qingdao University, Shandong 266071, China.
| | - Jia-Horng Lin
- Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China.
- Tianjin and Education Ministry Key Laboratory of Advanced Textile Composite Materials, Tianjin Polytechnic University, Tianjin 300387, China.
- Fujian Key Laboratory of Novel Functional Fibers and Materials, Minjiang University, Fuzhou 350108, China.
- College of Textile and Clothing, Qingdao University, Shandong 266071, China.
- Laboratory of Fiber Application and Manufacturing, Department of Fiber and Composite Materials, Feng Chia University, Taichung 40724, Taiwan.
- School of Chinese Medicine, China Medical University, Taichung 40402, Taiwan.
- Department of Fashion Design, Asia University, Taichung 41354, Taiwan.
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28
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Hirose D, Wardhana Kusuma SB, Nomura S, Yamaguchi M, Yasaka Y, Kakuchi R, Takahashi K. Effect of anion in carboxylate-based ionic liquids on catalytic activity of transesterification with vinyl esters and the solubility of cellulose. RSC Adv 2019; 9:4048-4053. [PMID: 35518094 PMCID: PMC9060529 DOI: 10.1039/c8ra10042j] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 01/21/2019] [Indexed: 11/21/2022] Open
Abstract
The role of 1-ethyl-3-methylimidazolium carboxylate-type ionic liquid as the solvent and organocatalyst for transesterification reaction of cellulose was investigated.
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Affiliation(s)
- Daisuke Hirose
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | | | - Shuhei Nomura
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Makoto Yamaguchi
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Yoshiro Yasaka
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Ryohei Kakuchi
- Division of Molecular Science
- Graduate School of Science and Technology
- Gunma University
- Kiryu 376-8515
- Japan
| | - Kenji Takahashi
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
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29
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30
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Hui Y, Ma X, Qu F. Flexible glucose/oxygen enzymatic biofuel cells based on three-dimensional gold-coated nickel foam. J Solid State Electrochem 2018. [DOI: 10.1007/s10008-018-4099-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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