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Chen Y, Qiu Y, Chen W, Wei Q. Electrospun thymol-loaded porous cellulose acetate fibers with potential biomedical applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 109:110536. [DOI: 10.1016/j.msec.2019.110536] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/05/2019] [Accepted: 12/06/2019] [Indexed: 01/08/2023]
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52
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Qiu Y, Wang Q, Chen Y, Xia S, Huang W, Wei Q. A Novel Multilayer Composite Membrane for Wound Healing in Mice Skin Defect Model. Polymers (Basel) 2020; 12:polym12030573. [PMID: 32143489 PMCID: PMC7182948 DOI: 10.3390/polym12030573] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 12/16/2022] Open
Abstract
To develop a wound dressing material that conforms to the healing process, we prepared a multilayer composite (MC) membrane consisting of an antibacterial layer (ABL), a reinforcement layer (RFL), and a healing promotion layer (HPL). Biocompatible zein/ethyl cellulose (zein/EC) electrospun nanofibrous membranes with in situ loaded antibacterial photosensitizer protoporphyrin (PPIX) and healing promotion material vaccarin (Vac) were, respectively, chosen as the ABL on the surface and the HPL on the bottom, between which nonwoven incorporated bacterial cellulose (BC/PETN) as the HPL was intercalated to enhance the mechanical property. Photodynamic antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa was confirmed by the enlarged inhibition zones; meanwhile, satisfactory biocompatibility of the HPL was verified by scanning electronic microscopy (SEM) of L929 cells cultured on its surface. The potential effects on wound healing in a mice skin defect model of the MC membranes were also evaluated. The animal experiments demonstrated that the wound healing rate in the MC group was significantly increased compared with that in the control group (p < 0.05). Histopathological observation revealed an alleviated inflammatory response, accompanied with vascular proliferation in the MC group. The MC membranes significantly promoted wound healing by creating an antibacterial environment and promoting angiogenesis. Taken together, this MC membrane may act as a promising wound dressing for skin wound healing.
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Affiliation(s)
- Yuyu Qiu
- Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (Y.Q.); (S.X.); (W.H.)
| | - Qingqing Wang
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China; (Q.W.); (Y.C.)
| | - Yajun Chen
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China; (Q.W.); (Y.C.)
| | - Shufang Xia
- Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (Y.Q.); (S.X.); (W.H.)
| | - Wei Huang
- Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (Y.Q.); (S.X.); (W.H.)
| | - Qufu Wei
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China; (Q.W.); (Y.C.)
- Correspondence:
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53
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Fabrication and characterization of a novel polysaccharide based composite nanofiber films with tunable physical properties. Carbohydr Polym 2020; 236:116054. [PMID: 32172869 DOI: 10.1016/j.carbpol.2020.116054] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/20/2020] [Accepted: 02/20/2020] [Indexed: 01/07/2023]
Abstract
In this study, the pullulan/ethyl cellulose composite nanofiber films with tunable physical properties were fabricated by blend electrospinning process. The solution properties of polysaccharide polymers were investigated and related with the morphology of the nanofiber films, and the results showed that the addition of ethyl cellulose caused decreasing viscosity and conductivity of solutions, which gave rise to the smaller fiber diameter. The Fourier transform infrared spectroscopy indicated that pullulan and ethyl cellulose chains interacted with each other through hydrogen bonding. X-ray diffraction analysis showed that electrospinning process retarded the crystallization of polysaccharide molecules. Thermal analysis showed that the composite nanofiber films possessed higher melting temperature and degradation temperature than the pure pullulan nanofiber film. Water contact angle and water stability test proved that the composite nanofiber films possessed tunable surface wettability (94.6°-120.1°) and improved water stability. The mechanical test showed that the composite nanofiber films had enhanced mechanical strength.
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54
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Ren J, Zhu Y. Ag 2O-decorated electrospun BiVO 4 nanofibers with enhanced photocatalytic performance. RSC Adv 2020; 10:6114-6120. [PMID: 35497406 PMCID: PMC9049594 DOI: 10.1039/c9ra10952h] [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: 12/27/2019] [Accepted: 01/25/2020] [Indexed: 11/21/2022] Open
Abstract
Semiconductor photocatalysts are emerging as tools for pollutant degradation in industrial wastewater, air purification, antibacterial applications, etc. due to their use of visible light, which is abundant in sunlight. Here, we report a new type of p–n junction Ag2O/BiVO4 heterogeneous nanostructured photocatalyst with enhanced photocatalytic performance. P-type Ag2O nanoparticles were in situ reduced and assembled on the surface of electrospun BiVO4 nanofibers using ultraviolet (UV) irradiation; this process hindered the recombination of localized photogenerated electron–hole pairs, and hence resulted in the enhanced photocatalytic activity of the BiVO4/Ag2O nanocomposites. The photocatalytic activities of the obtained BiVO4 and BiVO4/Ag2O nanocomposites were assessed by measuring the degradation of rhodamine B (RhB) under visible light. The 10 wt% Ag2O/BiVO4 sample yielded the optimum degradation of RhB (98.47%), much higher than that yielded by pure BiVO4 nanofibers (64.67%). No obvious change in the XRD pattern of an Ag2O/BiVO4 sample occurred as a result of its use in the photocatalytic reaction, indicating its excellent stability. The high photocatalytic performance observed was attributed to the large surface-to-volume ratio of the essentially one-dimensional electrospun BiVO4 nanofibers and to the in situ growth of p-type Ag2O on the surface of the n-type BiVO4 nanofibers. Ag2O doped electrospun BiVO4 nanofibers with p–n junction heterogeneous structures show enhanced photocatalytic activity under visible light (photocatalytic efficiency: 98.47% within 100 min) and good cycling stability.![]()
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Affiliation(s)
- Junpeng Ren
- College of Weapons Engineering, Naval University of Engineering Wuhan 430033 China
| | - Yongyong Zhu
- College of Weapons Engineering, Naval University of Engineering Wuhan 430033 China
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55
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Niu B, Zhan L, Shao P, Xiang N, Sun P, Chen H, Gao H. Electrospinning of zein-ethyl cellulose hybrid nanofibers with improved water resistance for food preservation. Int J Biol Macromol 2020; 142:592-599. [DOI: 10.1016/j.ijbiomac.2019.09.134] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 09/30/2019] [Accepted: 09/30/2019] [Indexed: 02/08/2023]
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56
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Amjadi S, Almasi H, Ghorbani M, Ramazani S. Reinforced ZnONPs/ rosemary essential oil-incorporated zein electrospun nanofibers by κ-carrageenan. Carbohydr Polym 2019; 232:115800. [PMID: 31952599 DOI: 10.1016/j.carbpol.2019.115800] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 12/06/2019] [Accepted: 12/27/2019] [Indexed: 12/18/2022]
Abstract
In this study, the reinforced ZnONPs/ rosemary essential oil-incorporated zein nanofibers with κ-carrageenan (Z/KC/ZnONPs/RE) were fabricated using the electrospinning technique for application in food packaging. The SEM images of Z/KC/ZnONPs/RE nanofiber displayed bead-free homogeneous morphology that its average fiber diameter was 672 ± 240 nm. The formation of new hydrogen bonds by addition of κ-carrageenan and active agents was approved by FT-IR and DSC structural conformations. The Z/KC/ZnONPs/RE nanofiber exhibited satisfactory thermal and mechanical properties, as well as high surface hydrophobicity. In addition, the Z/KC/ZnONPs/RE sample showed inhibition activity against S. aureus (18.5 ± 1.9 mm) and E. coli (14.7 ± 1.5 mm) bacteria. The DPPH scavenging activity of Z/KC/ZnONPs/RE nanofiber was 54.5 ± 3.6 %. Additionally, the fabricated nanofibers showed no cell cytotoxicity, indicating their good biocompatibility. Thus, we believe that the fabricated Z/KC/ZnONPs/RE electrospun nanofiber is a potential candidate for using as an active layer in food packaging system.
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Affiliation(s)
- Sajed Amjadi
- Department of Food Science and Technology, Faculty of Agriculture, Urmia University, Urmia, P.O. Box 57561-51818, Iran
| | - Hadi Almasi
- Department of Food Science and Technology, Faculty of Agriculture, Urmia University, Urmia, P.O. Box 57561-51818, Iran
| | - Marjan Ghorbani
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Soghra Ramazani
- Trita Nanomedicine Research Center (TNRC), Trita Third Millennium Pharmaceuticals, Zanjan, Iran.
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57
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Adeleke OA. Premium ethylcellulose polymer based architectures at work in drug delivery. Int J Pharm X 2019; 1:100023. [PMID: 31517288 PMCID: PMC6733301 DOI: 10.1016/j.ijpx.2019.100023] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 07/02/2019] [Accepted: 07/03/2019] [Indexed: 12/14/2022] Open
Abstract
Premium ethylcellulose polymers are hydrophobic cellulose ether based biomaterials widely employed as biocompatible templates for the design of novel drug delivery systems. They are classified as United States Food and Drug Administration Generally-Recognized-As-Safe chemical substances and have been extensively utilized within the biomedical and pharmaceutical industries for over half a century. They have so far demonstrated the potential to modulate and improve the physiological performance of bioactives leading to the desired enhanced prophylactic and therapeutic outcomes. This review therefore presents a scholarly survey of inter-disciplinary developments focused on the functionalities of ethylcellulose polymers as biomaterials useful for the design of smart delivery architectures for relevant pharmacotherapeutic biomedical applications. Emphasis was placed on evaluating scientific resources related to recent advancements and future directions associated with its applications as delivery systems for drugs and biologics within the past decade thus complementing other specialized reviews showcasing the theme.
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Affiliation(s)
- Oluwatoyin A. Adeleke
- Address: Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institute of Health, US Department of Health and Human Services, Bethesda, MD 20892, USA.
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58
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Xu J, Jia H, Yang N, Wang Q, Yang G, Zhang M, Xu S, Zang Y, Ma L, Jiang P, Zhou H, Wang H. High Efficiency Gas Permeability Membranes from Ethyl Cellulose Grafted with Ionic Liquids. Polymers (Basel) 2019; 11:E1900. [PMID: 31752139 PMCID: PMC6918432 DOI: 10.3390/polym11111900] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 11/11/2019] [Accepted: 11/13/2019] [Indexed: 11/17/2022] Open
Abstract
Ethyl cellulose was grafted with ionic liquids in optimal yields (62.5-64.1%) and grafting degrees (5.93-7.90%) by the esterification of the hydroxyl groups in ethyl cellulose with the carboxyl groups in ionic liquids. In IR spectra of the ethyl cellulose derivatives exhibited C=O bond stretching vibration peaks at 1760 or 1740 cm-1, confirming the formation of the ester groups and furnishing the evidence of the successful grafting of ethyl cellulose with ionic liquids. The ethyl cellulose grafted with ionic liquids could be formed into membranes by using the casting solution method. The resulting membranes exhibited good membrane forming ability and mechanical properties. The EC grafted with ionic liquids-based membranes demonstrated PCO2/PCH4 separation factors of up to 18.8, whereas the PCO2/PCH4 separation factor of 9.0 was obtained for pure EC membrane (both for CO2/CH4 mixture gas). The membranes also demonstrated an excellent gas permeability coefficient PCO2, up to 199 Barrer, which was higher than pure EC (PCO2 = 46.8 Barrer). Therefore, it can be concluded that the ionic liquids with imidazole groups are immensely useful for improving the gas separation performances of EC membranes.
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Affiliation(s)
- Jingyu Xu
- College of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polymeric Composition, College of Architecture and Civil Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China; (J.X.); (M.Z.); (S.X.); (Y.Z.); (L.M.); (P.J.); (H.Z.); (H.W.)
| | - Hongge Jia
- College of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polymeric Composition, College of Architecture and Civil Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China; (J.X.); (M.Z.); (S.X.); (Y.Z.); (L.M.); (P.J.); (H.Z.); (H.W.)
| | - Nan Yang
- College of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polymeric Composition, College of Architecture and Civil Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China; (J.X.); (M.Z.); (S.X.); (Y.Z.); (L.M.); (P.J.); (H.Z.); (H.W.)
| | - Qingji Wang
- Daqing Oilfield Construction Design and Research Institute, XiLing Road 32, Daqing 1637241, China;
| | - Guoxing Yang
- Daqing Petrochemical Research Center, Petrochemical Research Institute, China National Petroleum Corporation, Chengxiang Road 2, Daqing 163714, China;
| | - Mingyu Zhang
- College of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polymeric Composition, College of Architecture and Civil Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China; (J.X.); (M.Z.); (S.X.); (Y.Z.); (L.M.); (P.J.); (H.Z.); (H.W.)
| | - Shuangping Xu
- College of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polymeric Composition, College of Architecture and Civil Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China; (J.X.); (M.Z.); (S.X.); (Y.Z.); (L.M.); (P.J.); (H.Z.); (H.W.)
| | - Yu Zang
- College of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polymeric Composition, College of Architecture and Civil Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China; (J.X.); (M.Z.); (S.X.); (Y.Z.); (L.M.); (P.J.); (H.Z.); (H.W.)
| | - Liqun Ma
- College of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polymeric Composition, College of Architecture and Civil Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China; (J.X.); (M.Z.); (S.X.); (Y.Z.); (L.M.); (P.J.); (H.Z.); (H.W.)
| | - Pengfei Jiang
- College of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polymeric Composition, College of Architecture and Civil Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China; (J.X.); (M.Z.); (S.X.); (Y.Z.); (L.M.); (P.J.); (H.Z.); (H.W.)
| | - Hailiang Zhou
- College of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polymeric Composition, College of Architecture and Civil Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China; (J.X.); (M.Z.); (S.X.); (Y.Z.); (L.M.); (P.J.); (H.Z.); (H.W.)
| | - Honghan Wang
- College of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polymeric Composition, College of Architecture and Civil Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China; (J.X.); (M.Z.); (S.X.); (Y.Z.); (L.M.); (P.J.); (H.Z.); (H.W.)
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Wasilewska K, Winnicka K. Ethylcellulose-A Pharmaceutical Excipient with Multidirectional Application in Drug Dosage Forms Development. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3386. [PMID: 31627271 PMCID: PMC6829386 DOI: 10.3390/ma12203386] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/14/2019] [Accepted: 10/15/2019] [Indexed: 02/06/2023]
Abstract
Polymers constitute the most important group of excipients utilized in modern pharmaceutical technology, playing an essential role in the development of drug dosage forms. Synthetic, semisynthetic, and natural polymeric materials offer opportunities to overcome different formulative challenges and to design novel dosage forms for controlled release or for site-specific drug delivery. They are extensively used to design therapeutic systems, modify drug release, or mask unpleasant drug taste. Cellulose derivatives are characterized by different physicochemical properties, such as swellability, viscosity, biodegradability, pH dependency, or mucoadhesion, which determine their use in industry. One cellulose derivative with widespread application is ethylcellulose. Ethylcellulose is used in pharmaceutical technology as a coating agent, flavoring fixative, binder, filler, film-former, drug carrier, or stabilizer. The aim of this article is to provide a broad overview of ethylcellulose utilization for pharmaceutical purposes, with particular emphasis on its multidirectional role in the development of oral and topical drug dosage forms.
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Affiliation(s)
- Katarzyna Wasilewska
- Department of Pharmaceutical Technology, Medical University of Bialystok, Mickiewicza 2c, 15-222 Bialystok, Poland.
| | - Katarzyna Winnicka
- Department of Pharmaceutical Technology, Medical University of Bialystok, Mickiewicza 2c, 15-222 Bialystok, Poland.
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60
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Electrospinning of bilayer emulsions: The role of gum Arabic as a coating layer in the gelatin-stabilized emulsions. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.03.013] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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61
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Sun Y, Cheng S, Lu W, Wang Y, Zhang P, Yao Q. Electrospun fibers and their application in drug controlled release, biological dressings, tissue repair, and enzyme immobilization. RSC Adv 2019; 9:25712-25729. [PMID: 35530076 PMCID: PMC9070372 DOI: 10.1039/c9ra05012d] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 08/12/2019] [Indexed: 12/14/2022] Open
Abstract
Electrospinning is a method of preparing microfibers or nanofibers by using an electrostatic force to stretch the electrospinning fluid. Electrospinning has gained considerable attention in many fields due to its ability to produce continuous fibers from a variety of polymers and composites in a simple way. Electrospun nanofibers have many merits such as diverse chemical composition, easily adjustable structure, adjustable diameter, high surface area, high porosity, and good pore connectivity, which give them broad application prospects in the biomedical field. This review systematically introduced the factors influencing electrospinning, the types of electrospun fibers, the types of electrospinning, and the detailed applications of electrospun fibers in controlled drug release, biological dressings, tissue repair and enzyme immobilization fields. The latest progress of using electrospun fibers in these fields was summarized, and the main challenges to be solved in electrospinning technology were put forward.
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Affiliation(s)
- Yue Sun
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences Jinan 250062 Shandong China
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
| | - Shihong Cheng
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
| | - Wenjuan Lu
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences Jinan 250062 Shandong China
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
| | - Yanfeng Wang
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences Jinan 250062 Shandong China
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
| | - Pingping Zhang
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences Jinan 250062 Shandong China
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
| | - Qingqiang Yao
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences Jinan 250062 Shandong China
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
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62
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Tran PH, Duan W, Lee BJ, Tran TT. The use of zein in the controlled release of poorly water-soluble drugs. Int J Pharm 2019; 566:557-564. [DOI: 10.1016/j.ijpharm.2019.06.018] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 06/05/2019] [Accepted: 06/06/2019] [Indexed: 12/15/2022]
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63
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Li H, Zhang Z, Godakanda VU, Chiu YJ, Angkawinitwong U, Patel K, Stapleton PG, de Silva RM, de Silva KMN, Zhu LM, Williams GR. The effect of collection substrate on electrospun ciprofloxacin-loaded poly(vinylpyrrolidone) and ethyl cellulose nanofibers as potential wound dressing materials. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 104:109917. [PMID: 31500044 DOI: 10.1016/j.msec.2019.109917] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 06/22/2019] [Accepted: 06/24/2019] [Indexed: 01/22/2023]
Abstract
In this work, nanofibers based on hydrophilic poly(vinylpyrrolidone) (PVP) and hydrophobic ethyl cellulose (EC) were generated via electrospinning. A model antibiotic, ciprofloxacin (CIF), was also incorporated into the fibers. Fibers were collected on both a foil substrate and a commercial gauze, the latter in the interests of developing a smart fabric. Electron microscopy images revealed that the fibers collected on both foil and fabric were homogeneous and cylindrical. Infrared spectroscopy, X-ray diffraction and differential scanning calorimetry demonstrated that CIF was successfully loaded into the fibers and present in the amorphous physical form. In vitro drug release tests were conducted to simulate drug release from the formulations into a wound site, and as expected the hydrophilic fibers showed much faster release than their hydrophobic analogues. CIF was released through a combined mechanism of polymer erosion and drug diffusion, and the EC nanofibers displayed close to zero-order release over three days. Fibroblast cells are able to grow and proliferate on the fibers. Finally, inhibition zone assays revealed that the growth of both Gram positive and Gram negative bacteria could be effectively inhibited as a result of the presence of CIF in the fibers. There were no marked differences between the fibers collected on foil and on gauze, and electrospinning can be performed directly onto a gauze substrate to prepare a smart fabric.
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Affiliation(s)
- Heyu Li
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Ziwei Zhang
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - V Umayangana Godakanda
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; Department of Chemistry, University of Colombo, Colombo 00300, Sri Lanka
| | - Yu-Jing Chiu
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Ukrit Angkawinitwong
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Karishma Patel
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Paul G Stapleton
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Rohini M de Silva
- Department of Chemistry, University of Colombo, Colombo 00300, Sri Lanka
| | - K M Nalin de Silva
- Department of Chemistry, University of Colombo, Colombo 00300, Sri Lanka
| | - Li-Min Zhu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China.
| | - Gareth R Williams
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK.
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Kajdič S, Planinšek O, Gašperlin M, Kocbek P. Electrospun nanofibers for customized drug-delivery systems. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.03.038] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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65
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Hokmabad VR, Davaran S, Aghazadeh M, Rahbarghazi R, Salehi R, Ramazani A. Fabrication and characterization of novel ethyl cellulose-grafted-poly (ɛ-caprolactone)/alginate nanofibrous/macroporous scaffolds incorporated with nano-hydroxyapatite for bone tissue engineering. J Biomater Appl 2019; 33:1128-1144. [PMID: 30651055 DOI: 10.1177/0885328218822641] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The major challenge of tissue regeneration is to develop three dimensional scaffolds with suitable properties which would mimic the natural extracellular matrix to induce the adhesion, proliferation, and differentiation of cells. Several materials have been used for the preparation of the scaffolds for bone regeneration. In this study, novel ethyl cellulose-grafted-poly (ɛ-caprolactone) (EC-g-PCL)/alginate scaffolds with different contents of nano-hydroxyapatite were prepared by combining electrospinning and freeze-drying methods in order to provide nanofibrous/macroporous structures with good mechanical properties. For this aim, EC-g-PCL nanofibers were obtained with electrospinning, embedded layer-by-layer in alginate solutions containing nano-hydroxyapatite particles, and finally, these constructions were freeze-dried. The scaffolds possess highly porous structures with interconnected pore network. The swelling, porosity, and degradation characteristics of the EC-g-PCL/alginate scaffolds were decreased with the increase in nano-hydroxyapatite contents, whereas increases in the in-vitro biomineralization and mechanical strength were observed as the nano-hydroxyapatite content was increased. The cell response to EC-g-PCL/alginate scaffolds with/or without nano-hydroxyapatite was investigated using human dental pulp stem cells (hDPSCs). hDPSCs displayed a high adhesion, proliferation, and differentiation on nano-hydroxyapatite-incorporated EC-g-PCL/alginate scaffolds compared to pristine EC-g-PCL/alginate scaffold. Overall, these results suggested that the EC-g-PCL/alginate-HA scaffolds might have potential applications in bone tissue engineering.
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Affiliation(s)
- Vahideh Raeisdasteh Hokmabad
- 1 Drug Applied Research Center and Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran.,2 Department of Chemistry, University of Zanjan, Zanjan, Iran
| | - Soodabeh Davaran
- 1 Drug Applied Research Center and Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Marziyeh Aghazadeh
- 3 Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,4 Oral Medicine Department of Dental Faculty, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Rahbarghazi
- 3 Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,5 Department of Applied Cell Sciences, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Roya Salehi
- 1 Drug Applied Research Center and Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Ramazani
- 2 Department of Chemistry, University of Zanjan, Zanjan, Iran
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66
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UV-mediated solid-state cross-linking of electrospinning nanofibers of modified collagen. Int J Biol Macromol 2018; 120:2086-2093. [DOI: 10.1016/j.ijbiomac.2018.09.029] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 08/29/2018] [Accepted: 09/05/2018] [Indexed: 11/23/2022]
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67
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Durán-Guerrero J, Martínez-Rodríguez M, Garza-Navarro M, González-González V, Torres-Castro A, De La Rosa JR. Magnetic nanofibrous materials based on CMC/PVA polymeric blends. Carbohydr Polym 2018; 200:289-296. [DOI: 10.1016/j.carbpol.2018.08.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 07/05/2018] [Accepted: 08/05/2018] [Indexed: 02/01/2023]
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68
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Liu Y, Li Y, Deng L, Zou L, Feng F, Zhang H. Hydrophobic Ethylcellulose/Gelatin Nanofibers Containing Zinc Oxide Nanoparticles for Antimicrobial Packaging. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:9498-9506. [PMID: 30138556 DOI: 10.1021/acs.jafc.8b03267] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The ethylcellulose/gelatin solutions containing various concentrations of zinc oxide (ZnO) nanoparticles were electrospun, and the resultant nanofibers were characterized by scanning electron microscopy, energy dispersive X-ray, X-ray photoelectron spectrometer, X-ray diffraction, Fourier transform infrared spectroscopy, mechanical testing, water contact angle, and water stability. Results indicated that ZnO nanoparticles acting as fillers interacted with polymers, resulting in the enhanced surface hydrophobicity and water stability of nanofibers. The antibacterial assay showed a concentration-dependent effect of ZnO on the viabilities of Escherichia coli and Staphylococcus aureus. Notably, the antimicrobial efficiency of the 1.5 wt % ZnO-containing fibers against Staphylococcus aureus was 43.7% but increased to 62.5% after UV irradiation at 364 nm, possibly due to the significantly increased amounts of intracellular reactive oxygen species. These results suggested that the ZnO-containing nanofibers with excellent surface hydrophobicity, water stability, and antimicrobial activity exhibited potential uses in food packaging.
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Affiliation(s)
- Yuyu Liu
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment , Zhejiang University , Hangzhou 310058 , China
| | - Yang Li
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment , Zhejiang University , Hangzhou 310058 , China
| | - Lingli Deng
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment , Zhejiang University , Hangzhou 310058 , China
| | - Lin Zou
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment , Zhejiang University , Hangzhou 310058 , China
| | - Fengqin Feng
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment , Zhejiang University , Hangzhou 310058 , China
| | - Hui Zhang
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment , Zhejiang University , Hangzhou 310058 , China
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69
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Liu Y, Deng L, Zhang C, Chen K, Feng F, Zhang H. Comparison of ethyl cellulose-gelatin composite films fabricated by electrospinning versus solvent casting. J Appl Polym Sci 2018. [DOI: 10.1002/app.46824] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Yuyu Liu
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Key Laboratory for Agro-Products Postharvest Handling of the Ministry of Agriculture, Key Laboratory for Agro-Products Nutritional Evaluation of the Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science; Zhejiang University; Hangzhou 310058 China
| | - Lingli Deng
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Key Laboratory for Agro-Products Postharvest Handling of the Ministry of Agriculture, Key Laboratory for Agro-Products Nutritional Evaluation of the Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science; Zhejiang University; Hangzhou 310058 China
| | - Cen Zhang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Key Laboratory for Agro-Products Postharvest Handling of the Ministry of Agriculture, Key Laboratory for Agro-Products Nutritional Evaluation of the Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science; Zhejiang University; Hangzhou 310058 China
| | - Kailun Chen
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Key Laboratory for Agro-Products Postharvest Handling of the Ministry of Agriculture, Key Laboratory for Agro-Products Nutritional Evaluation of the Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science; Zhejiang University; Hangzhou 310058 China
| | - Fengqin Feng
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Key Laboratory for Agro-Products Postharvest Handling of the Ministry of Agriculture, Key Laboratory for Agro-Products Nutritional Evaluation of the Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science; Zhejiang University; Hangzhou 310058 China
| | - Hui Zhang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Key Laboratory for Agro-Products Postharvest Handling of the Ministry of Agriculture, Key Laboratory for Agro-Products Nutritional Evaluation of the Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science; Zhejiang University; Hangzhou 310058 China
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70
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A review of natural polysaccharides for drug delivery applications: Special focus on cellulose, starch and glycogen. Biomed Pharmacother 2018; 107:96-108. [PMID: 30086465 DOI: 10.1016/j.biopha.2018.07.136] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 07/20/2018] [Accepted: 07/25/2018] [Indexed: 01/13/2023] Open
Abstract
Natural polysaccharides are renewable with a high degree of biocompatibility, biodegradability, and ability to mimic the natural extracellular matrix (ECM) microenvironment. Comprehensive investigations of polysaccharides are essential for our fundamental understanding of exploiting its potential as bio-composite, nano-conjugate and in pharmaceutical sectors. Polysaccharides are considered to be superior to other polymers, for its ease in tailoring, bio-compatibility, bio-activity, homogeneity and bio-adhesive properties. The main focus of this review is to spotlight the new advancements and challenges concerned with surface modification, binding domains, biological interaction with the conjugate including stability, polydispersity, and biodegradability. In this review, we have limited our survey to three essential polysaccharides including cellulose, starch, and glycogen that are sourced from plants, microbes, and animals respectively are reviewed. We also present the polysaccharides which have been extensively modified with the various types of conjugates for combating last-ditch pharmaceutical challenges.
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71
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Carvacrol loaded electrospun fibrous films from zein and poly(lactic acid) for active food packaging. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2018.02.028] [Citation(s) in RCA: 183] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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72
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Burgess K, Li H, Abo-Zeid Y, Williams GR. The Effect of Molecular Properties on Active Ingredient Release from Electrospun Eudragit Fibers. Pharmaceutics 2018; 10:pharmaceutics10030103. [PMID: 30042323 PMCID: PMC6161026 DOI: 10.3390/pharmaceutics10030103] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 05/11/2018] [Accepted: 05/16/2018] [Indexed: 12/02/2022] Open
Abstract
The formation of nanoscale fibers from pH-sensitive polymers is a route which has been widely explored for targeted drug delivery. In particular, the Eudragit L100 and S100 families of polymers have received significant attention for this purpose. However, while in some cases it is shown that making drug-loaded Eudragit polymers effectively prevents drug release in low-pH media where the polymer is insoluble, this is not always the case, and other studies have reported significant amounts of drug release at acidic pHs. In this study, we sought to gain insight into the factors influencing the release of active ingredients from Eudragit S100 (ES100) fibers. A family of materials was prepared loaded with the model active ingredients (AIs) benzoic acid, 1-naphthoic acid, 1-naphthylamine, and 9-anthracene carboxylic acid. Analogous systems were prepared with an AI-loaded core and an ES100 sheath. The resultant fibers were smooth and cylindrical in the majority of cases, and X-ray diffraction and differential scanning calorimetry showed them to comprise amorphous solid dispersions. When AI release from the monolithic fibers was probed, it was found that there was significant release at pH 1 in all cases except with 9-anthracene carboxylic acid. Analysis of the results indicated that both the molecular weight of the AI and its acidity/basicity are important in controlling release, with lower molecular weight AIs and basic species released more quickly. The same release trends are seen with the core/shell fibers, but AI release at pH 1 is attenuated. The most significant change between the monolithic and core/shell systems was observed in the case of 1-naphthylamine. Mathematical equations were devised to connect molecular properties and AI release under acidic conditions.
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Affiliation(s)
- Kieran Burgess
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK.
| | - Heyu Li
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK.
| | - Yasmin Abo-Zeid
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK.
| | - Gareth R Williams
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK.
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73
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Bocanegra-Rodríguez S, Jornet-Martínez N, Molins-Legua C, Campíns-Falcó P. Delivering Inorganic and Organic Reagents and Enzymes from Zein and Developing Optical Sensors. Anal Chem 2018; 90:8501-8508. [PMID: 29932323 DOI: 10.1021/acs.analchem.8b01338] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Nowadays, interest in using environmentally friendly materials is increasing in many fields. However, the rational design of sensors with biodegradable materials is a challenge. The main aim of this work is to show the possibility of using zein, a protein from corn, as a biodegradable and low-cost material for immobilizing, stabilizing, and delivering different kind of reagents for developing optical sensors. Enzymes, metallic salts, and aromatic and small organic compounds were tested. In addition, different techniques of immobilization, entrapment and adsorption, were used, and different formats, such as solid devices and also multiwell platforms, were proposed. The capacity of zein for immobilizing two reagents together, enzyme and substrate, into a multianalysis format was also shown. Two applications were developed as examples: a colorimetric assay based on a ferric hydroxamate reaction for ester drugs, which was applied in atropine determination in pills, and a fluorimetric enzymatic multiwell-plate biodevice applied in phosphate determination in human serum and urine. Zein demonstrated being not only a green alternative but also a versatile polymer for developing sensors from reagents with different natures in different formats and matrices, thereby resulting in different applications.
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Affiliation(s)
- Sara Bocanegra-Rodríguez
- MINTOTA research group, Departament de Química Analítica, Facultat de Química , Universitat de València , Dr. Moliner 50 , 46100 Burjassot , Valencia , Spain
| | - Neus Jornet-Martínez
- MINTOTA research group, Departament de Química Analítica, Facultat de Química , Universitat de València , Dr. Moliner 50 , 46100 Burjassot , Valencia , Spain
| | - Carmen Molins-Legua
- MINTOTA research group, Departament de Química Analítica, Facultat de Química , Universitat de València , Dr. Moliner 50 , 46100 Burjassot , Valencia , Spain
| | - Pilar Campíns-Falcó
- MINTOTA research group, Departament de Química Analítica, Facultat de Química , Universitat de València , Dr. Moliner 50 , 46100 Burjassot , Valencia , Spain
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74
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Heredia-Guerrero JA, Ceseracciu L, Guzman-Puyol S, Paul UC, Alfaro-Pulido A, Grande C, Vezzulli L, Bandiera T, Bertorelli R, Russo D, Athanassiou A, Bayer IS. Antimicrobial, antioxidant, and waterproof RTV silicone-ethyl cellulose composites containing clove essential oil. Carbohydr Polym 2018; 192:150-158. [DOI: 10.1016/j.carbpol.2018.03.050] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 03/09/2018] [Accepted: 03/16/2018] [Indexed: 11/28/2022]
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75
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Li S, Zhao S, Qiang S, Chen G, Chen Y, Chen Y. A novel zein/poly (propylene carbonate)/nano-TiO2 composite films with enhanced photocatalytic and antibacterial activity. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.03.029] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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76
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Lu H, Qiu Y, Wang Q, Li G, Wei Q. Nanocomposites prepared by electrohydrodynamics and their drug release properties. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 91:26-35. [PMID: 30033254 DOI: 10.1016/j.msec.2018.05.024] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 04/26/2018] [Accepted: 05/05/2018] [Indexed: 01/01/2023]
Abstract
Electrohydrodynamic method was used to produce both single-drug and dual-drug loaded nanocomposites. Zein was blended with ethyl cellulose, and the mixture was electrospun into nanofibers. Polyethylene oxide was electroprayed into nanoparticles and deposited on the nanofibrous matrix. Indomethacin and tetracycline hydrochloride were loaded in the nanocomposites as model drugs. The suitable electrospraying conditions were chosen based on the result of scanning electron microscopy. Fourier transform infrared spectra indicated that components were merely physically combined. Differential scanning calorimetry and X-ray diffraction confirmed amorphous states of the drugs in the nanocomposites. The nanocomposites displayed good wettability, water-stability and improved modulus. In vitro dissolution tests revealed a desirable drug release profile, which abided by Fickian diffusion.
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Affiliation(s)
- Hangyi Lu
- Key Laboratory of Eco-textiles, Jiangnan University, Wuxi, People's Republic of China
| | - Yuyu Qiu
- Key Laboratory of Eco-textiles, Jiangnan University, Wuxi, People's Republic of China; Laboratory of Natural Medicine, Wuxi Medical School, Jiangnan University, People's Republic of China
| | - Qingqing Wang
- Key Laboratory of Eco-textiles, Jiangnan University, Wuxi, People's Republic of China
| | - Guohui Li
- Key Laboratory of Eco-textiles, Jiangnan University, Wuxi, People's Republic of China
| | - Qufu Wei
- Key Laboratory of Eco-textiles, Jiangnan University, Wuxi, People's Republic of China.
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77
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Liu Y, Deng L, Zhang C, Feng F, Zhang H. Tunable Physical Properties of Ethylcellulose/Gelatin Composite Nanofibers by Electrospinning. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:1907-1915. [PMID: 29425459 DOI: 10.1021/acs.jafc.7b06038] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In this work, the ethylcellulose/gelatin blends at various weight ratios in water/ethanol/acetic acid solution were electrospun to fabricate nanofibers with tunable physical properties. The solution compatibility was predicted based on Hansen solubility parameters and evaluated by rheological measurements. The physical properties were characterized by scanning electron microscopy, porosity, differential scanning calorimetry, thermogravimetry, Fourier transform infrared spectroscopy, and water contact angle. Results showed that the entangled structures among ethylcellulose and gelatin chains through hydrogen bonds gave rise to a fine morphology of the composite fibers with improved thermal stability. The fibers with higher gelatin ratio (75%), possessed hydrophilic surface (water contact angle of 53.5°), and adequate water uptake ability (1234.14%), while the fibers with higher ethylcellulose proportion (75%) tended to be highly water stable with a hydrophobic surface (water contact angle of 129.7°). This work suggested that the composite ethylcellulose/gelatin nanofibers with tunable physical properties have potentials as materials for bioactive encapsulation, food packaging, and filtration applications.
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Affiliation(s)
- Yuyu Liu
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment, Zhejiang University , Hangzhou 310058, China
| | - Lingli Deng
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment, Zhejiang University , Hangzhou 310058, China
| | - Cen Zhang
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment, Zhejiang University , Hangzhou 310058, China
| | - Fengqin Feng
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment, Zhejiang University , Hangzhou 310058, China
| | - Hui Zhang
- College of Biosystems Engineering and Food Science, Fuli Institute of Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang R&D Center for Food Technology and Equipment, Zhejiang University , Hangzhou 310058, China
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78
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Encapsulation of polyphenolic antioxidants obtained from Momordica charantia fruit within zein/gelatin shell core fibers via coaxial electrospinning. FOOD BIOSCI 2018. [DOI: 10.1016/j.fbio.2017.12.001] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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79
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Labib G. Overview on zein protein: a promising pharmaceutical excipient in drug delivery systems and tissue engineering. Expert Opin Drug Deliv 2017; 15:65-75. [DOI: 10.1080/17425247.2017.1349752] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Gihan Labib
- Faculty of Pharmacy, Alexandria University, Egypt
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