1
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Khan MQ, Alvi MA, Nawaz HH, Umar M. Cancer Treatment Using Nanofibers: A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1305. [PMID: 39120410 PMCID: PMC11314412 DOI: 10.3390/nano14151305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Revised: 07/22/2024] [Accepted: 08/01/2024] [Indexed: 08/10/2024]
Abstract
Currently, the number of patients with cancer is expanding consistently because of a low quality of life. For this reason, the therapies used to treat cancer have received a lot of consideration from specialists. Numerous anticancer medications have been utilized to treat patients with cancer. However, the immediate utilization of anticancer medicines leads to unpleasant side effects for patients and there are many restrictions to applying these treatments. A number of polymers like cellulose, chitosan, Polyvinyl Alcohol (PVA), Polyacrylonitrile (PAN), peptides and Poly (hydroxy alkanoate) have good properties for the treatment of cancer, but the nanofibers-based target and controlled drug delivery system produced by the co-axial electrospinning technique have extraordinary properties like favorable mechanical characteristics, an excellent release profile, a high surface area, and a high sponginess and are harmless, bio-renewable, biofriendly, highly degradable, and can be produced very conveniently on an industrial scale. Thus, nanofibers produced through coaxial electrospinning can be designed to target specific cancer cells or tissues. By modifying the composition and properties of the nanofibers, researchers can control the release kinetics of the therapeutic agent and enhance its accumulation at the tumor site while minimizing systemic toxicity. The core-shell structure of coaxial electrospun nanofibers allows for a controlled and sustained release of therapeutic agents over time. This controlled release profile can improve the efficacy of cancer treatment by maintaining therapeutic drug concentrations within the tumor microenvironment for an extended period.
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Affiliation(s)
- Muhammad Qamar Khan
- Department of Textile Engineering, School of Engineering and Technology, National Textile University, Faisalabad 37610, Pakistan
| | - Muhammad Abbas Alvi
- Department of Textile Engineering, School of Engineering and Technology, National Textile University, Faisalabad 37610, Pakistan
| | - Hafiza Hifza Nawaz
- Department of Materials, The University of Manchester, Manchester M13 9PL, UK;
| | - Muhammad Umar
- Department of Materials, The University of Manchester, Manchester M13 9PL, UK;
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2
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Yin H, Zhang H, Cui J, Wu Q, Huang L, Qiu J, Zhang X, Xiang Y, Li B, Liu H, Tang Z, Zhang Y, Zhu H. Enrichment of Nutmeg Essential Oil from Oil-in-Water Emulsions with PAN-Based Membranes. MEMBRANES 2024; 14:97. [PMID: 38786932 PMCID: PMC11122826 DOI: 10.3390/membranes14050097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/20/2024] [Accepted: 04/23/2024] [Indexed: 05/25/2024]
Abstract
This study used polyacrylonitrile (PAN) and heat-treated polyacrylonitrile (H-PAN) membranes to enrich nutmeg essential oils, which have more complex compositions compared with common oils. The oil rejection rate of the H-PAN membrane was higher than that of the PAN membrane for different oil concentrations of nutmeg essential oil-in-water emulsions. After heat treatment, the H-PAN membrane showed a smaller pore size, narrower pore size distribution, a rougher surface, higher hydrophilicity, and higher oleophobicity. According to the GC-MS results, the similarities of the essential oils enriched by the PAN and H-PAN membranes to those obtained by steam distillation (SD) were 0.988 and 0.990, respectively. In addition, these two membranes also exhibited higher essential oil rejection for Bupleuri Radix, Magnolia Officinalis Cortex, Caryophylli Flos, and Cinnamomi Cortex essential oil-in-water emulsions. This work could provide a reference for membrane technology for the non-destructive separation of oil with complex components from oil-in-water emulsions.
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Affiliation(s)
- Huilan Yin
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
| | - Haoyu Zhang
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
| | - Jiaoyang Cui
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
| | - Qianlian Wu
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
| | - Linlin Huang
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
| | - Jiaoyue Qiu
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
| | - Xin Zhang
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
| | - Yanyu Xiang
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
| | - Bo Li
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Hongbo Liu
- Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xianyang 712046, China; (H.L.); (Z.T.)
| | - Zhishu Tang
- Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xianyang 712046, China; (H.L.); (Z.T.)
| | - Yue Zhang
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
| | - Huaxu Zhu
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.Y.); (H.Z.); (J.C.); (Q.W.); (L.H.); (J.Q.); (X.Z.); (Y.X.); (B.L.)
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3
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Deng H, Qiao Y, Zheng T, Bai C, Wang G, Zhang L, Shen J. Regioselective modification at the 2,3- and 6-positions of chitosan with phenylcarbamates for chromatographic enantioseparation. J Chromatogr A 2024; 1714:464503. [PMID: 38104505 DOI: 10.1016/j.chroma.2023.464503] [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: 07/19/2023] [Revised: 10/26/2023] [Accepted: 11/10/2023] [Indexed: 12/19/2023]
Abstract
Chitosan derivatives with two different phenylcarbamate pendants at the 6-position and 2,3-positions of the glucosamine unit were synthesized by triphenylmethyl as a protective group. The regioselective chitosan derivatives were prepared corresponding to coated-type chiral packed materials (CPMs), which were evaluated with thirteen chiral compounds by high-performance liquid chromatography (HPLC). The regioselective chitosan derivatives (4aⅠ/4aⅡ, 4bⅠ/4bⅡ) bearing electron-withdrawing 3,5‑chloro or 4‑chloro at the 6-position can recognize 7 or 8 of the 13 enantiomers and achieve baseline separation for enantiomers 5 and 7. They exhibited better chiral recognition abilities than the other derivatives with different substituents at the 6-position and the same 3,5-dimethylphenyl substituent at the 2,3-postion. In comparison to Chit-1 featuring a 3,5-dimethylphenyl substituent at the 2,3- and 6-positions, it was observed that the combination of both an electron-withdrawing and an electron-donating substituent of the regioselective chitosan derivatives (4aⅠ/4aⅡ, 4bⅠ/4bⅡ) showed better or similar enantioseparation abilities for racemic Compounds 7 and 6, respectively. The molecular weight-performance relationship of the regioselective chitosan derivatives was investigated in detail. It was found that with increasing molecular weight, the derivatives 4aⅡ and 4bⅡ all possessed greater enantioseparation power for 4 enantiomers, such as enantiomers 4, 7, 11, and 15, than the corresponding derivatives with low molecular weights. The molecular docking simulation results showed that excellent enantioseparation power significantly depended on the combination and interaction of multiple factors, such as steric hindrance, and polarity of the substituents on the CPMs and enantiomers.
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Affiliation(s)
- Hongzhong Deng
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Yingjie Qiao
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Ting Zheng
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Chengying Bai
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Guixiang Wang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China.
| | - Lili Zhang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China.
| | - Jun Shen
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
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Bai Y, Jing Z, Ma R, Wan X, Liu J, Huang W. A critical review of enzymes immobilized on chitosan composites: characterization and applications. Bioprocess Biosyst Eng 2023; 46:1539-1567. [PMID: 37540309 DOI: 10.1007/s00449-023-02914-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 07/21/2023] [Indexed: 08/05/2023]
Abstract
Enzymes with industrial significance are typically used in biological processes. However, instability, high sensitivity, and impractical recovery are the major drawbacks of enzymes in practical applications. In recent years, the immobilization technology has attracted wide attention to overcoming these restrictions and improving the efficiency of enzyme applications. Chitosan (CS) is a unique functional substance with biocompatibility, biodegradability, non-toxicity, and antibacterial properties. Chitosan composites are anticipated to be widely used in the near future for a variety of purposes, including as supports for enzyme immobilization, because of their advantages. Therefor this review explores the effects of the chitosan's structure, molecular weight, degree of deacetylation on the enzyme immobilized, effect of key factors, and the enzymes immobilized on chitosan based composites for numerous applications, including the fields of biosensor, biomedical science, food industry, environmental protection, and industrial production. Moreover, this study carefully investigates the advantages and disadvantages of using these composites as well as their potential in the future.
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Affiliation(s)
- Yuan Bai
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China.
- Key Laboratory of Yellow River Water Environment in Gansu Province, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China.
| | - Zongxian Jing
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China
| | - Rui Ma
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China
| | - Xinwen Wan
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China
| | - Jie Liu
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China
| | - Weiting Huang
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China
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5
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Rekik SB, Gassara S, Deratani A. Green Fabrication of Sustainable Porous Chitosan/Kaolin Composite Membranes Using Polyethylene Glycol as a Porogen: Membrane Morphology and Properties. MEMBRANES 2023; 13:378. [PMID: 37103805 PMCID: PMC10143062 DOI: 10.3390/membranes13040378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/14/2023] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
One of the major challenges in membrane manufacturing today is to reduce the environmental footprint by promoting biobased raw materials and limiting the use of toxic solvents. In this context, environmentally friendly chitosan/kaolin composite membranes, prepared using phase separation in water induced by a pH gradient, have been developed. Polyethylene glycol (PEG) with a molar mass ranging from 400 to 10,000 g·mol-1 was used as a pore forming agent. The addition of PEG to the dope solution strongly modified the morphology and properties of the formed membranes. These results indicated that PEG migration induced the formation of a network of channels promoting the penetration of the non-solvent during the phase separation process, resulting in an increase in porosity and the formation of a finger-like structure surmounted by a denser structure of interconnected pores of 50-70 nm in diameter. The hydrophilicity of the membrane surface increased likely related to PEG trapping in the composite matrix. Both phenomena were more marked as the PEG polymer chain was longer, resulting in a threefold improvement in filtration properties.
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Affiliation(s)
- Sonia Bouzid Rekik
- Institut Européen des membranes, IEM, UMR-5635, ENSCM, CNRS, Université Montpellier, 34095 Montpellier, France
- Bioengineering, Tissues and Neuroplasticity, EA 7377, Faculté de Santé, EPISEN, Université Paris-Est Créteil, 8 rue du Général Sarrail, 94010 Créteil, France
| | - Sana Gassara
- Institut Européen des membranes, IEM, UMR-5635, ENSCM, CNRS, Université Montpellier, 34095 Montpellier, France
| | - André Deratani
- Institut Européen des membranes, IEM, UMR-5635, ENSCM, CNRS, Université Montpellier, 34095 Montpellier, France
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6
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Rekik SB, Gassara S, Bouaziz J, Baklouti S, Deratani A. Performance Enhancement of Kaolin/Chitosan Composite-Based Membranes by Cross-Linking with Sodium Tripolyphosphate: Preparation and Characterization. MEMBRANES 2023; 13:membranes13020229. [PMID: 36837732 PMCID: PMC9964992 DOI: 10.3390/membranes13020229] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/03/2023] [Accepted: 02/07/2023] [Indexed: 05/12/2023]
Abstract
A new family of environmentally friendly and low-cost membranes based on readily available mineral and polymeric materials has been developed from cast suspensions of kaolin and chitosan using aqueous phase separation and polyethylene glycol as a pore-forming agent. The as-fabricated membranes were further cross-linked with sodium tripolyphosphate (STPP) in order to strengthen the properties of the obtained samples. The functional groups determined by FTIR and EDX confirmed that the reaction occurred. A detailed study of the effects of cross-linking time on the physicochemical, surface and permeation properties showed that a 30-minute reaction enabled the composite membrane to be stable in acidic media (up to pH 2) and increased the mechanical strength twofold compared to the non-cross-linked membrane. A similar morphology to that generally observed in polymeric membranes was obtained, with a sponge-like surface overlaying a finger-like through structure. The top layer and cross-section thicknesses of the membranes increased during STPP post-treatment, while the pore size decreased from 160 to 15 nm. At the same time, the molecular weight cut-off and permeance decreased due to the increase in cross-linking density. These results observed in a series of kaolin/chitosan composite membranes showed that STPP reaction can provide control over the separation capability range, from microfiltration to ultrafiltration.
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Affiliation(s)
- S. Bouzid Rekik
- Institut Européen des Membranes, IEM, UMR-5635, ENSCM, CNRS, Univ Montpellier, 34095 Montpellier, France
- Laboratory of Advanced Materials, National School of Engineering, University of Sfax, Sfax 3038, Tunisia
- Bioengineering, Tissues and Neuroplasticity, EA 7377, Faculté de Médecine, Université Paris-Est Créteil, 8 rue du Général Sarrail, 94010 Créteil, France
| | - S. Gassara
- Institut Européen des Membranes, IEM, UMR-5635, ENSCM, CNRS, Univ Montpellier, 34095 Montpellier, France
| | - J. Bouaziz
- Laboratory of Advanced Materials, National School of Engineering, University of Sfax, Sfax 3038, Tunisia
| | - S. Baklouti
- Laboratory of Materials Engineering and Environment, National School of Engineering, University of Sfax, Sfax 3038, Tunisia
| | - A. Deratani
- Institut Européen des Membranes, IEM, UMR-5635, ENSCM, CNRS, Univ Montpellier, 34095 Montpellier, France
- Correspondence:
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Xiao H, Wang Y, Hao B, Cao Y, Cui Y, Huang X, Shi B. Collagen Fiber-Based Advanced Separation Materials: Recent Developments and Future Perspectives. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2107891. [PMID: 34894376 DOI: 10.1002/adma.202107891] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 11/30/2021] [Indexed: 06/14/2023]
Abstract
Separation plays a critical role in a broad range of industrial applications. Developing advanced separation materials is of great significance for the future development of separation technology. Collagen fibers (CFs), the typical structural proteins, exhibit unique structural hierarchy, amphiphilic wettability, and versatile chemical reactivity. These distinctive properties provide infinite possibilities for the rational design of advanced separation materials. During the past 2 decades, many progressive achievements in the development of CFs-derived advanced separation materials have been witnessed already. Herein, the CFs-based separation materials are focused on and the recent progresses in this topic are reviewed. CFs widely existing in animal skins display unique hierarchically fibrous structure, amphiphilicity-enabled surface wetting behaviors, multi-functionality guaranteed covalent/non-covalent reaction versatility. These outstanding merits of CFs bring great opportunities for realizing rational design of a variety of advanced separation materials that were capable of achieving high-performance separations to diverse specific targets, including oily pollutants, natural products, metal ions, anionic contaminants and proteins, etc. Besides, the important issues for the further development of CFs-based advanced separation materials are also discussed.
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Affiliation(s)
- Hanzhong Xiao
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, 610065, P. R. China
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Yujia Wang
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, 610065, P. R. China
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Baicun Hao
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Yiran Cao
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Yiwen Cui
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Xin Huang
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, 610065, P. R. China
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Bi Shi
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, 610065, P. R. China
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
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8
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Silvestre WP, Duarte J, Tessaro IC, Baldasso C. Non-Supported and PET-Supported Chitosan Membranes for Pervaporation: Production, Characterization, and Performance. MEMBRANES 2022; 12:930. [PMID: 36295689 PMCID: PMC9607258 DOI: 10.3390/membranes12100930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 06/16/2023]
Abstract
The objective of this study was to develop non-supported and PET-supported chitosan membranes that were cross-linked with glutaraldehyde, then evaluate their physical-chemical, morphological, and mechanical properties, and evaluate their performance in the separation of ethanol/water and limonene/linalool synthetic mixtures by hydrophilic and target-organophilic pervaporation, respectively. The presence of a PET layer did not affect most of the physical-chemical parameters of the membranes, but the mechanical properties were enhanced, especially the Young modulus (76 MPa to 398 MPa), tensile strength (16 MPa to 27 MPa), and elongation at break (7% to 26%), rendering the supported membrane more resistant. Regarding the pervaporation tests, no permeate was obtained in target-organophilic pervaporation tests, regardless of membrane type. The support layer influenced the hydrophilic pervaporation parameters of the supported membrane, especially in reducing transmembrane flux (0.397 kg∙m-2∙h-1 to 0.121 kg∙m-2∙h-1) and increasing membrane selectivity (611 to 1974). However, the pervaporation separation index has not differed between membranes (228 for the non-supported and 218 for the PET-supported membrane), indicating that, overall, both membranes had a similar performance. Thus, the applicability of each membrane is linked to specific applications that require a more resistant membrane, greater transmembrane fluxes, and higher selectivity.
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Affiliation(s)
- Wendel Paulo Silvestre
- Postgraduate Program in Chemical Engineering, Federal University of Rio Grande do Sul, Porto Alegre 90010-150, Brazil
- Postgraduate Program in Process Engineering and Technologies, University of Caxias do Sul, Caxias do Sul 95070-560, Brazil
| | - Jocelei Duarte
- Postgraduate Program in Process Engineering and Technologies, University of Caxias do Sul, Caxias do Sul 95070-560, Brazil
| | - Isabel Cristina Tessaro
- Postgraduate Program in Chemical Engineering, Federal University of Rio Grande do Sul, Porto Alegre 90010-150, Brazil
| | - Camila Baldasso
- Postgraduate Program in Process Engineering and Technologies, University of Caxias do Sul, Caxias do Sul 95070-560, Brazil
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9
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Olkiewicz M, Cota I, Wozniak-Budych M, Litowczenko J, Luczak M, Monotrnes JM, Tylkowski B. Membrane-based processes in essential oils production. PHYSICAL SCIENCES REVIEWS 2022. [DOI: 10.1515/psr-2022-0057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Essential oils are compounds extracted from plants which are usually utilized to produce perfumes, soaps, lotions, and flavorings as well as other well-being or aromatherapy products with antioxidant and antimicrobial properties. Membrane technology has been proposed as a method for purification of essential oils extract from waxes fats, lipids, or chlorophyll to avoid the formation of precipitate in finished essential oil-based products. Furthermore, nanofiltration processes have been recommended for fractionation and concentration of essential oils raw materials to enhance their valuable properties.
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Affiliation(s)
- Magdalena Olkiewicz
- Eurecat Centre Tecnològic de Catalunya , Chemical Technologies Unit , Marcel·lí Domingo s/n, 43007 , Tarragona , Spain
| | - Iuliana Cota
- Eurecat Centre Tecnològic de Catalunya , Chemical Technologies Unit , Marcel·lí Domingo s/n, 43007 , Tarragona , Spain
| | - Marta Wozniak-Budych
- NanoBioMedical Centre , Adam Mickiewicz University in Poznan , Wszechnicy Piastowskiej 3 , Poznan , Poland
| | - Jagoda Litowczenko
- NanoBioMedical Centre , Adam Mickiewicz University in Poznan , Wszechnicy Piastowskiej 3 , Poznan , Poland
| | - Marcin Luczak
- Samorządowa Szkoła Podstawowa nr 1 im.68 Wrzesińskiego Pułku Piechoty we Wrześni , 62-300 , Września , Poland
| | - Josep M. Monotrnes
- Eurecat Centre Tecnològic de Catalunya , Chemical Technologies Unit , Marcel·lí Domingo s/n, 43007 , Tarragona , Spain
| | - Bartosz Tylkowski
- Eurecat Centre Tecnològic de Catalunya , Chemical Technologies Unit , Marcel·lí Domingo s/n, 43007 , Tarragona , Spain
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10
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Catalytically active membranes for esterification: A review. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.03.009] [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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11
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Selim H, Elshypany R, El-Bahy SM, Mubarak MF, Taha EO. Fabrication of electro spun nylon6.12/chitosan @PES nanofibrous UF membrane towards dyes rejection from synthetic wastewater. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-04031-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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12
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PVA-Based MMMs for Ethanol Dehydration via Pervaporation: A Comparison Study between Graphene and Graphene Oxide. SEPARATIONS 2022. [DOI: 10.3390/separations9020026] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Two different types of 2D nanosheets, including hydrophobic graphene (GR) and hydrophilic graphene oxide (GO), were filled into poly (vinyl alcohol) (PVA) polymers to prepare mixed matrix membranes (MMMs) for ethanol dehydration via pervaporation. The relationship between the physical/chemical properties of graphene and pervaporation performance of MMMs was investigated by a comparison of GR/PVA and GO/PVA MMMs in microstructure and PV performance. The incorporation of GO nanosheets into PVA reduced PVA crystallinity and enhanced the membrane hydrophilicity, while the incorporation of GR into PVA led to the opposite results. The incorporation of GR/GO into PVA depressed the PVA membrane swelling degree, and the incorporation of GR showed a more obvious depression effect. GR/PVA MMMs showed a much higher separation factor than GO/PVA MMMs, while they exhibited a much lower permeation flux than GO/PVA MMMs and pristine PVA membranes. The huge difference in microstructure and performance between GO/PVA and GR/PVA MMMs was strongly associated with the oxygen-containing groups on graphene lamellae. The higher permeation flux of GO/PVA MMMs was ascribed to the facilitated transport of water molecules induced by oxygen-containing groups and exclusive channels provided by GO lamellae, while the much lower permeation flux and higher separation factor GR/PVA MMMs was resulted from the smaller GR interplanar spacing (0.33 nm) and hydrophobicity as well as barrier effect of GR lamellae on the sorption and diffusion of water molecules. It was presumed that graphene intercalated with an appropriate number of oxygen-containing groups might be a good choice to prepare PVA-based MMMs for ethanol dehydration, which would combine the advantages of GR’s high interlayer diffusion selectivity and GO’s high permeation properties. The investigation might open a door to achieve both of high permeation flux and separation factor of PVA-based MMMs by tuning the microstructure of graphene.
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Castro-Muñoz R, Ahmad MZ, Cassano A. Pervaporation-aided Processes for the Selective Separation of Aromas, Fragrances and Essential (AFE) Solutes from Agro-food Products and Wastes. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1934008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Roberto Castro-Muñoz
- Tecnologico de Monterrey, Campus Toluca, Avenida Eduardo Monroy Cárdenas 2000 San Antonio Buenavista, 50110, Toluca De Lerdo, Mexico
| | - M. Zamidi Ahmad
- Organic Materials Innovation Center (OMIC),University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Alfredo Cassano
- Institute on Membrane Technology ITM-CNR Via P. Bucci, 17/C, 87036, Rende, (CS), Italy
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A review on the applications of electrospun chitosan nanofibers for the cancer treatment. Int J Biol Macromol 2021; 183:790-810. [PMID: 33965480 DOI: 10.1016/j.ijbiomac.2021.05.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/24/2021] [Accepted: 05/01/2021] [Indexed: 01/20/2023]
Abstract
In recent years, the incidence of cancer is increasing every day due to poor quality of life (industrialization of life). Therefore, the treatment of cancer has received much attention from therapists. So far, many anticancer drugs have been used to treat cancer patents. However, the direct use of the anticancer drugs has the adverse side effects for patents and several limitations to treat process. Natural chitosan nanofibers prepared by electrospinning method have unique properties such as high surface area, high porosity, suitable mechanical properties, nontoxicity, biocompatibility, biodegradability, biorenewable, low immunogenicity, better clinical functionality, analogue to extracellular model, and easy production in large scale. Therefore, this bio-polymer is a very suitable case to deliver of the anti-cancer drugs to treat cancer patents. In this review summarizes the electrospinning synthesis of chitosan and its therapeutic application for the various cancer treatment.
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Tian B, Li W, Wang J, Liu Y. Functional polysaccharide-based film prepared from chitosan and β-acids: Structural, physicochemical, and bioactive properties. Int J Biol Macromol 2021; 181:966-977. [PMID: 33887287 DOI: 10.1016/j.ijbiomac.2021.04.100] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 03/18/2021] [Accepted: 04/16/2021] [Indexed: 02/06/2023]
Abstract
β-Acids are natural antibacterial and antioxidant ingredients, obtained from supercritical CO2 hop extract. In this study, β-acids/chitosan complex films were prepared using the casting method. Complex films were characterized using scanning electron microscopy (SEM), atomic force microscope (AFM), Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction analysis (XRD). Structure analysis revealed that β-acids can be successfully combined with the chitosan matrix. Mechanical tests demonstrated that the tensile strength of the films showed a significant upward trend (1.9 MPa to 9.6 MPa) with increase in β-acids content (0.1%-0.3%). Interestingly, the chitosan-based films showed excellent UV barrier capability below 400 nm. The release of β-acids from the film followed Fickian diffusion (n < 0.45). In addition, the complex films inhibited the growth of five food-borne pathogens (Escherichia coli, Staphylococcus aureus, Bacillus subtilis, Salmonella enteritidis and Listeria monocytogenes). This study highlights the promising nature of composite film as a desirable alternative for active packaging.
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Affiliation(s)
- Bingren Tian
- School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China
| | - Wanrong Li
- College of Chemistry, Xinjiang University, Urumqi 830046, China
| | - Jie Wang
- College of Chemistry, Xinjiang University, Urumqi 830046, China
| | - Yumei Liu
- School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China.
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Membrane Removal of Emerging Contaminants from Water: Which Kind of Membranes Should We Use? MEMBRANES 2020; 10:membranes10110305. [PMID: 33113828 PMCID: PMC7692316 DOI: 10.3390/membranes10110305] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 10/16/2020] [Accepted: 10/20/2020] [Indexed: 12/02/2022]
Abstract
Membrane technologies are nowadays widely used; especially various types of filtration or reverse osmosis in households, desalination plants, pharmaceutical applications etc. Facing water pollution, they are also applied to eliminate emerging contaminants from water. Incomplete knowledge directs the composition of membranes towards more and more dense materials known for their higher selectivity compared to porous constituents. This paper evaluates advantages and disadvantages of well-known membrane materials that separate on the basis of particle size, usually exposed to a large amount of water, versus dense hydrophobic membranes with target transport of emerging contaminants through a selective barrier. In addition, the authors present several membrane processes employing the second type of membrane.
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Zhang H, Wang W, Ding J, Lu Y, Xu J, Wang A. An upgraded and universal strategy to reinforce chitosan/polyvinylpyrrolidone film by incorporating active silica nanorods derived from natural palygorskite. Int J Biol Macromol 2020; 165:1276-1285. [PMID: 33035527 DOI: 10.1016/j.ijbiomac.2020.09.241] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/21/2020] [Accepted: 09/27/2020] [Indexed: 12/17/2022]
Abstract
Active silica nanorod (OPal) was prepared from natural palygorskite (RPal) using an updated acid leaching route, and then the effect of RPal and OPal as nano-filler on the network structure, mechanical, thermal and anti-aging properties of chitosan/polyvinylpyrrolidone (CS/PVP) films was studied comparatively. It was revealed that OPal had a better dispersibility than RPal in CS/PVP substrate, and its incorporation improved the mechanical properties and thermal stability of the films significantly. The optimal composite film containing OPal shows the maximum tensile strength of 27.53 MPa (only 14.87 MPa and 22.47 MPa for CS/PVP and CS/PVP/RPal films, respectively), resulting from the more uniform dispersion of OPal in polymer substrate and its stronger interaction with 3D polymer network. By a controllable acid-leaching process, the metal ions in octahedral sheets of RPal were dissolved out continuously, which is favorable to alleviate the adverse effects of variable metal ions on the film under UV light irradiation, and thus improve the aging-resistant ability of films. This study provides new ideas for improving the reinforcing ability of natural clay minerals towards biopolymer-based material, finds a new way to resolve the aging problem of polymer composites caused by incorporation of natural clay minerals.
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Affiliation(s)
- Hong Zhang
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Wenbo Wang
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China; College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China.
| | - Junjie Ding
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China
| | - Yushen Lu
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Jiang Xu
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China
| | - Aiqin Wang
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, PR China.
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