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Qin Q, Zhang X, Liu W, Lin L, Liu X, Han L. Preparation of capsicum leaf protein/lignocellulose nanocrystals/corn starch composite antibacterial packaging films by in-situ green-synthesized silver oxide nanoparticle. Food Chem 2025; 483:144049. [PMID: 40220435 DOI: 10.1016/j.foodchem.2025.144049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2024] [Revised: 03/12/2025] [Accepted: 03/24/2025] [Indexed: 04/14/2025]
Abstract
The traditional chemical reduction method for preparing metal nanoparticles requires organic solvents, which seriously affects the ecological environment. Meanwhile, polysaccharide-based packaging films' brittleness limits their application scope. In contrast, protein-based packaging films (PBPFs) have excellent flexibility and ductility. Therefore, this study synthesized novel PBPFs loaded with silver oxide nanoparticles (Ag2O NPs) in situ and green by microwave technology. The results showed that the Ag2O NPs reduced up to 90.03 % in the reduction system of this study. With increased silver nitrate concentration, Ag2O NP reduction rates and the degree of intermolecular interaction of the film-forming fluids decreased, and PBPF crystallinity and thermal stability increased. PBPFs exhibit increased interfacial interaction when Ag2O NPs generated by reduction are uniformly distributed on their surfaces. The maximum tensile strength of PBPFs was 8.87 ± 0.71 MPa, and the maximum WCA was 97.58 ± 4.05°. All PBPFs have UV-blocking properties and antimicrobial activity, extending grape storage life.
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Affiliation(s)
- Qingyu Qin
- Laboratory of Biomass and Bioprocessing Engineering, College of Engineering, China Agricultural University, Beijing 100083, China; Institute of Environment and Ecology, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China.
| | - Xinyan Zhang
- National Engineering Laboratory for Reducing Emissions from Coal Combustion, School of Energy and Power Engineering, Shandong University, Jinan, Shandong, 250061, China.
| | - Wenying Liu
- Laboratory of Biomass and Bioprocessing Engineering, College of Engineering, China Agricultural University, Beijing 100083, China
| | - Lin Lin
- Institute of Environment and Ecology, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China.
| | - Xian Liu
- Laboratory of Biomass and Bioprocessing Engineering, College of Engineering, China Agricultural University, Beijing 100083, China.
| | - Lujia Han
- Laboratory of Biomass and Bioprocessing Engineering, College of Engineering, China Agricultural University, Beijing 100083, China.
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2
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Aouay M, Haddar A, Sellami E, Magnin A, Putaux JL, Boufi S. Cellulose nanocrystal-supported silver nanoparticles as an antibacterial additive for PVA and PLLA matrices in meat packaging. RSC Adv 2025; 15:15893-15903. [PMID: 40370859 PMCID: PMC12076070 DOI: 10.1039/d5ra01457c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2025] [Accepted: 05/05/2025] [Indexed: 05/16/2025] Open
Abstract
This study explored the synergistic potential of periodate-oxidized cellulose nanocrystals (CNCs) decorated with silver nanoparticles (AgNPs) to enhance the antimicrobial and mechanical properties of poly(vinyl alcohol) (PVA) and poly(l-lactic acid) (PLLA) biopolymer matrices. A concentration-dependent antibacterial activity was demonstrated against both Gram+ and Gram- bacteria, highlighting the potential of CNCs-AgNPs in inhibiting pathogenic strains. Moreover, the tensile strength of PVA and PLLA films was notably improved by incorporating CNCs-AgNPs. The filler demonstrated significant inhibitory effects on bacterial growth in chicken meat samples wrapped in PVA/CNCs-AgNPs nanocomposite films, allowing for an extension of the meat shelf life beyond acceptable microbiological limits. These results highlight the versatile capabilities of CNCs-AgNPs in polymer nanocomposites, positioning them as potent agents for antimicrobial packaging and as contenders for sustainable and functional nanomaterials in various applications.
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Affiliation(s)
- Mohamed Aouay
- University of Sfax, LMSE, Faculty of Science BP 802 3018 Sfax Tunisia
| | - Anissa Haddar
- University of Sfax, Laboratory for the Improvement of Plants and Valorization of Agroresources, ENIS 3038 Sfax Tunisia
- University of Sfax, High Institute of Biotechnology Sfax Tunisia
| | - Emna Sellami
- University of Sfax, Laboratory for the Improvement of Plants and Valorization of Agroresources, ENIS 3038 Sfax Tunisia
| | - Albert Magnin
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LRP F-38000 Grenoble France
| | | | - Sami Boufi
- University of Sfax, LMSE, Faculty of Science BP 802 3018 Sfax Tunisia
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3
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Yang C, Liu Y, Liu T, Zhu W, Ji X, Guo J, Duan X, Ahmad M, Khan MR, Makarov IS, Xiao H, Song J. Enhanced mechanical properties of cellulose fiber networks through synergistic effects of telechelic-structured carbohydrate-binding module-modified amphoteric polyacrylamide. Int J Biol Macromol 2025; 304:140771. [PMID: 39924045 DOI: 10.1016/j.ijbiomac.2025.140771] [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: 10/10/2024] [Revised: 01/22/2025] [Accepted: 02/05/2025] [Indexed: 02/11/2025]
Abstract
Mechanical integrity is a pivotal characteristic of cellulose fiber networks; however, their wet strength frequently deteriorates under humid conditions due to the hydrophilic nature of cellulose. This study presents a novel conjugate additive, synthesized by grafting carbohydrate-binding modules onto amphoteric polyacrylamide (CBM3-AmPAM), aimed at enhancing the mechanical properties of cellulose fiber networks at the wet-end of papermaking. The incorporation of CBM3-AmPAM significantly improved performance compared to AmPAM alone, with stress-strain properties enhanced by 1130.34 % and 202.25 % under humid conditions at a 1 % dosage. Notably, the foldability of the cellulose fiber networks increased by 33 %. Employing quartz crystal microbalance with dissipation monitoring (QCM-D), the adsorption behaviors of CBM3, AmPAM, their conjugate (CBM3-AmPAM) and mixture (CBM3+AmPAM) onto fibers were assessed. Results indicated that CBM3-AmPAM exhibited notably robust and more irreversible adsorption compared to other tested formulations. This research highlights the potential of CBM3-AmPAM as an effective wet-end additive in papermaking and provides valuable insights into its interaction with cellulose fibers.
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Affiliation(s)
- Chao Yang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Yena Liu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Tian Liu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Wenyuan Zhu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Xingxiang Ji
- State Key Laboratory of Biobased Materials and Green Papermaking, Qilu University of Technology, Jinan 250353, China
| | - Jiaqi Guo
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Xuguo Duan
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Mehraj Ahmad
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Mohammad Rizwan Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Igor S Makarov
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prospect, Moscow 119991, Russia
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada
| | - Junlong Song
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
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4
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Jibrin F, Fanoro OT, Maluleke R, Lebepe TC, Mgedle N, Mbaz GIM, Aladesuyi OA, Kalimuthu R, Odeku OA, Oluwafemi OS. Biosynthesis, Characterization, and Antibacterial Activity of Gold, Silver, and Bimetallic Nanoparticles Using Annona squamosa L. Leaves. Antibiotics (Basel) 2024; 13:1199. [PMID: 39766589 PMCID: PMC11672701 DOI: 10.3390/antibiotics13121199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2024] [Revised: 12/05/2024] [Accepted: 12/06/2024] [Indexed: 01/11/2025] Open
Abstract
The utilization of nano-sized drug delivery systems in herbal drug delivery systems has a promising future for improving drug effectiveness and overcoming issues connected with herbal medicine. As a consequence, the use of nanocarriers as novel drug delivery systems for the improvement of traditional medicine is critical to combating infectious diseases globally. In line with this, we herein report the biosynthesis of silver nanoparticles (AgNPs), gold nanoparticles (AuNPs), and bimetallic nanoparticles (BMNPs) as antibacterial agents against pathogenic bacterial strains using Annona squamosa L. leaf extract as a bio-reductant and bio-stabilizing agent. The as-synthesized metal nanoparticles were characterized by transmission electron microscopy (TEM), ultraviolet-visible (UV-Vis) absorption spectroscopy, X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and the dynamic light scattering (DLS) method. The as-synthesized MNPs had an average particle size of 6.98 nm ± 2.86 nm (AgNPs), 21.84 ± 8.72 nm (AuNPs), and 2.05 nm ± 0.76 nm (BMNPs). The as-synthesized AgNPs and BMNPs showed good antibacterial activity against pathogenic bacterial strains of Gram-positive Staphylococcus aureus (ATCC 25923) and Gram-negative Escherichia coli (ATCC 25922). The obtained results offer insight into the development of benign nanoparticles as safe antibacterial agents for antibiotic therapy using Annona squamosa L. leaf extract.
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Affiliation(s)
- Fatima Jibrin
- Pan African University Life and Earth Sciences Institute (PAULESI), Ibadan 200132, Nigeria;
- Department of Pharmacognosy, University of Ibadan, Ibadan 200132, Nigeria
| | - Olufunto T. Fanoro
- Department of Chemical Sciences (Formerly Applied Chemistry), University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa; (O.T.F.); (R.M.); (T.C.L.); (N.M.); (G.I.M.M.); (O.A.A.); (R.K.)
- Centre for Nanomaterials Sciences Research, University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa
| | - Rodney Maluleke
- Department of Chemical Sciences (Formerly Applied Chemistry), University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa; (O.T.F.); (R.M.); (T.C.L.); (N.M.); (G.I.M.M.); (O.A.A.); (R.K.)
- Centre for Nanomaterials Sciences Research, University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa
| | - Thabang C. Lebepe
- Department of Chemical Sciences (Formerly Applied Chemistry), University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa; (O.T.F.); (R.M.); (T.C.L.); (N.M.); (G.I.M.M.); (O.A.A.); (R.K.)
- Centre for Nanomaterials Sciences Research, University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa
| | - Nande Mgedle
- Department of Chemical Sciences (Formerly Applied Chemistry), University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa; (O.T.F.); (R.M.); (T.C.L.); (N.M.); (G.I.M.M.); (O.A.A.); (R.K.)
- Centre for Nanomaterials Sciences Research, University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa
| | - Gracia It Mwad Mbaz
- Department of Chemical Sciences (Formerly Applied Chemistry), University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa; (O.T.F.); (R.M.); (T.C.L.); (N.M.); (G.I.M.M.); (O.A.A.); (R.K.)
- Centre for Nanomaterials Sciences Research, University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa
| | - Olanrewaju A. Aladesuyi
- Department of Chemical Sciences (Formerly Applied Chemistry), University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa; (O.T.F.); (R.M.); (T.C.L.); (N.M.); (G.I.M.M.); (O.A.A.); (R.K.)
- Centre for Nanomaterials Sciences Research, University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa
| | - Rajendran Kalimuthu
- Department of Chemical Sciences (Formerly Applied Chemistry), University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa; (O.T.F.); (R.M.); (T.C.L.); (N.M.); (G.I.M.M.); (O.A.A.); (R.K.)
- Centre for Nanomaterials Sciences Research, University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa
| | - Oluwatoyin A. Odeku
- Department of Pharmaceutics and Industrial Pharmacy, University of Ibadan, Ibadan 200132, Nigeria;
| | - Oluwatobi S. Oluwafemi
- Department of Chemical Sciences (Formerly Applied Chemistry), University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa; (O.T.F.); (R.M.); (T.C.L.); (N.M.); (G.I.M.M.); (O.A.A.); (R.K.)
- Centre for Nanomaterials Sciences Research, University of Johannesburg, Doornfontein, Johannesburg 2028, South Africa
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5
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Chamchangi MA, Abdollahi S, Raoufi Z, Badr AA. Nano hydrogel with bacterial nanocellulose and bitter almond oil nanoemulsions for enhanced wound healing: In-vivo and in-vitro characterization. Int J Biol Macromol 2024; 277:134134. [PMID: 39053828 DOI: 10.1016/j.ijbiomac.2024.134134] [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: 03/18/2024] [Revised: 06/23/2024] [Accepted: 07/22/2024] [Indexed: 07/27/2024]
Abstract
Biocompatibility, good mechanical properties, infection prevention, and anti-inflammatory are the requirements of an ideal wound dressing for the care and treatment of skin wounds. In this study, the nanohydrogels as wound dressing, were fabricated by bacterial nanocellulose (BNC), polyvinyl alcohol (PVA), and gellan gum. Bitter almond oil nanoemulsion (BAO-NE) was made with ultrasonic force and incorporated into the nanohydrogels in concentrations of 2, 4, and 6 %. The mechanical and physicochemical analyses such as tensile strength (TS), elongation at break (EB), swelling, water vapor transmission rate (WVTR), degradation, FTIR-ATR, and SEM, and anti-inflammatory, antibacterial, etc. properties of the nanohydrogels were investigated. Also, the wound healing ability was evaluated by in-vivo analyses. The molecular analyses of the expression of genes related to collagen production and inflammation were performed. Increasing BAO-NE concentration enhanced anti-inflammatory and antibacterial activities against Gram-negative and Gram-positive bacteria (P < 0.05). The in-vivo study presented the healing role of nanohydrogels in rat wounds. Real-time PCR results confirmed the anti-inflammatory and healing effects of the films at molecular levels. All the results testify to the promising properties of the fabricated nanohydrogels as a potential wound dressing.
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Affiliation(s)
- Mohammad Arab Chamchangi
- Department of Biology, Faculty of Basic Science, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran
| | - Sajad Abdollahi
- Department of Biology, Faculty of Basic Science, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran.
| | - Zeinab Raoufi
- Department of Biology, Faculty of Basic Science, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran
| | - Ahmad Ali Badr
- Department of Biology, Faculty of Basic Science, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran
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6
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Bandi R, Dadigala R, Han SY, Van Hai L, Kwon GJ, Lee SH. Dicarboxylate cellulose nanofibrils-supported silver nanoparticles as a novel, green, efficient and recyclable catalyst for 4-nitrophenol and dyes reduction. Int J Biol Macromol 2024; 280:136023. [PMID: 39326609 DOI: 10.1016/j.ijbiomac.2024.136023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2024] [Revised: 09/11/2024] [Accepted: 09/23/2024] [Indexed: 09/28/2024]
Abstract
This study reports dicarboxylate cellulose nanofibrils (DCNF) as a novel reducing and supporting agent for producing silver nanoparticles (AgNPs) with high efficiency (63.82 % reduction) and loading (6.88 %) using UV light. Unlike previous research, AgNPs formation with DCNF doesn't involve cellulose oxidation. Instead, it appears to involve a loss of carboxyl groups from DCNF. In comparative studies, pristine CNF (PCNF) and TEMPO-oxidized CNF (TOCNF) were also examined for AgNPs production. The resulting AgNPs from DCNF exhibited a significantly smaller average size (3.9 ± 0.7 nm) compared to those from PCNF (26.9 ± 10.9 nm) and TOCNF (13.5 ± 4.5 nm). Catalytic activity evaluation by the 4-nitrophenol (4-NP) reduction reaction revealed a high rate constant of 8.47× 10-3 s-1 by AgNPs/DCNF, which surpassed AgNPs/TOCNF (1.79 × 10-3 s-1) and AgNPs/PCNF (0.63 × 10-3 s-1) by 4.7 and 13.4 times, respectively. Besides 4-NP, AgNPs/DCNF aerogels were also applied for methyl orange and Rhodamine B dyes reduction. The aerogels showed excellent reusability, maintaining over 95 % conversion even after five cycles and also effective in treating real samples and mixed dye solutions. This study opens the door for future research exploring DCNF as a support material for various metal, metal oxide, and carbon nanoparticles.
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Affiliation(s)
- Rajkumar Bandi
- Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Ramakrishna Dadigala
- Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Song-Yi Han
- Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Le Van Hai
- Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Gu-Joong Kwon
- Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Seung-Hwan Lee
- Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea; Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea.
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7
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Malekzadeh E, Tatari A, Motlagh MB, Nohesara M, Mohammadi S. A novel approach for the green synthesis of iron nanoparticles using marigold extract, black liquor, and nanocellulose: Effect on marigold growth parameters. Int J Biol Macromol 2024; 267:131552. [PMID: 38615855 DOI: 10.1016/j.ijbiomac.2024.131552] [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: 02/20/2024] [Revised: 03/29/2024] [Accepted: 04/10/2024] [Indexed: 04/16/2024]
Abstract
This study aimed to investigate a novel method for the green synthesis of iron nanoparticles (FeNPs) using marigold extract (Calendula officinalis L), kraft pulping black liquor, and nanocellulose. Then, the efficacy of FeNPs as a direct nanofertilizer on the growth parameters of marigold was investigated. Characterization techniques including FESEM, EDX, VSM, and FTIR were used to confirm the successful synthesis of FeNPs. The characterization results confirmed the formation and presence of FeNPs in the 20-100 nm range. FeNPs synthesized with nanocellulose notably enhanced marigold growth parameters compared to other materials. However, all nanoparticle variants, including those from marigold extract and black liquor, improved germination, plant height, root length, and plant dry weight compared to the control. Moreover, treatments exhibited higher available iron and total plant iron levels than the control. Thus, employing 10 mg FeNPs (prepared with 5.0 % nanocellulose) appears optimal for enhancing marigold growth and yield.
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Affiliation(s)
- Elham Malekzadeh
- Department of Soil Science, Faculty of Water and Soil Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.
| | - Aliasghar Tatari
- Department of Cellulose Science and Engineering, Faculty of Wood and Paper Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Mojtaba Barani Motlagh
- Department of Soil Science, Faculty of Water and Soil Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Maryam Nohesara
- Department of Soil Science, Faculty of Water and Soil Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Siamak Mohammadi
- Department of Horticulture and Landscape Sciences, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran
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8
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Aly Khalil AM, Saied E, Mekky AE, Saleh AM, Al Zoubi OM, Hashem AH. Green biosynthesis of bimetallic selenium-gold nanoparticles using Pluchea indica leaves and their biological applications. Front Bioeng Biotechnol 2024; 11:1294170. [PMID: 38274007 PMCID: PMC10809157 DOI: 10.3389/fbioe.2023.1294170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 12/18/2023] [Indexed: 01/27/2024] Open
Abstract
Increasing bacterial resistance and the negative impact of currently used antibacterial agents have produced the need for novel antibacterial agents and anticancer drugs. In this regard, nanotechnology could provide safer and more efficient therapeutic agents. The main methods for nanoparticle production are chemical and physical approaches that are often costly and environmentally unsafe. In the current study, Pluchea indica leaf extract was used for the biosynthesis of bimetallic selenium-gold nanoparticles (Se-Au BNPs) for the first time. Phytochemical examinations revealed that P. indica leaf extract includes 90.25 mg/g dry weight (DW) phenolics, 275.53 mg/g DW flavonoids, and 26.45 mg/g DW tannins. X-ray diffraction (XRD), transmission electron microscopy (TEM), Fourier-transform infrared (FTIR) spectroscopy, dynamic light scattering (DLS), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX) techniques were employed to characterize Se-Au BNPs. Based on UV-vis spectra, the absorbance of Se-Au BNPs peaked at 238 and 374 nm. In SEM imaging, Se-Au BNPs emerged as bright particles, and both Au and Se were uniformly distributed throughout the P. indica leaf extract. XRD analysis revealed that the average size of Se-Au BNPs was 45.97 nm. The Se-Au BNPs showed antibacterial properties against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, and Bacillus subtilis, with minimum inhibitory concentrations (MICs) of 31.25, 15.62, 31.25, and 3.9 μg/mL, respectively. Surprisingly, a cytotoxicity assay revealed that the IC50 value toward the Wi 38 normal cell line was 116.8 μg/mL, implying that all of the MICs described above could be used safely. More importantly, Se-Au BNPs have shown higher anticancer efficacy against human breast cancer cells (MCF7), with an IC50 value of 13.77 μg/mL. In conclusion, this paper is the first to provide data on the effective utilization of P. indica leaf extract in the biosynthesis of biologically active Se-Au BNPs.
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Affiliation(s)
| | - Ebrahim Saied
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Alsayed E. Mekky
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Ahmed M. Saleh
- Biology Department, Faculty of Science Yanbu, Taibah University, Medina, Saudi Arabia
| | - Omar Mahmoud Al Zoubi
- Biology Department, Faculty of Science Yanbu, Taibah University, Medina, Saudi Arabia
| | - Amr H. Hashem
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Cairo, Egypt
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9
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You R, Huang Q, Lin Z, Wang W, Lie J, Chen J, Zhang G, Lu Y. Preparation of SERS base membrane with cellulose compound dopamine and determination of hypochlorite. Mikrochim Acta 2023; 190:447. [PMID: 37864774 DOI: 10.1007/s00604-023-06006-4] [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: 05/21/2023] [Accepted: 09/18/2023] [Indexed: 10/23/2023]
Abstract
Flexible silver substrates were made by in situ reduction of silver nanoparticles in bacterial cellulose membranes using the unique advantage of dopamine. Subsequently, we modified the substrate with 4-mercaptophenol (4-MP), a molecule capable of specifically recognizing ClO-, and its corresponding SERS signal changes with the concentration of hypochlorite, thus allowing the quantitative detection of ClO- content. The method showed a negative linear correlation (R2 = 0.9567) with the SERS intensity at 1077 cm-1 over the concentration range 0.5-100 µM, and the detection limit was 0.15 µM. The RSD of the SERS intensity at 1077 cm-1 under five batches was 4.2%, which proved the good reproducibility of P-BCM-Ag NP-MP. Finally, the P-BCM-Ag NPs were used for the detection of hypochlorite in cell contents, artificial urine, and clinical serum samples, utilizing spike experiments in all three environments. The recoveries were in the range 90-110% indicating the accuracy of the method for the detection of hypochlorite and validating the promising application of this assay for practical detection in intricate biological samples.
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Affiliation(s)
- Ruiyun You
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Avanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Normal University, Fuzhou, 350007, Fujian, China
| | - Qian Huang
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Avanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Normal University, Fuzhou, 350007, Fujian, China
| | - Ziyi Lin
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Avanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Normal University, Fuzhou, 350007, Fujian, China
| | - Wenxi Wang
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Avanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Normal University, Fuzhou, 350007, Fujian, China
| | - Jiansen Lie
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Avanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Normal University, Fuzhou, 350007, Fujian, China
| | - Jingbo Chen
- Department of Medical Oncology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, 350001, Fujian, China
| | - Guifeng Zhang
- Department of Medical Oncology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, 350001, Fujian, China.
| | - Yudong Lu
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Avanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Normal University, Fuzhou, 350007, Fujian, China.
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10
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You R, Li M, Liu W, Zhang S, Xiao S, Xiao X, Lin Z, Lu Y. Green in situ immobilisation of gold nanoparticles on bacterial nanocellulose membranes using Tannic acid and its detection of Fe 3. Colloids Surf B Biointerfaces 2023; 230:113485. [PMID: 37556884 DOI: 10.1016/j.colsurfb.2023.113485] [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: 04/03/2023] [Revised: 07/24/2023] [Accepted: 07/29/2023] [Indexed: 08/11/2023]
Abstract
Oxidative stress is one of the factors that promote melanogenesis. Trivalent iron ions play a key role in regulating the iron-catalysed oxidative stress response. A novel SERS flexible membrane sensor based on tannic acid with good sensitivity and uniformity was prepared by green in situ reduction of gold nanoparticles on bacterial cellulose membrane(BCM)with a simple and highly selective method to detect Fe3+. Under alkaline conditions, Fe3+ is adsorbed on the BCM-TA@Au NPs flexible membrane by tannic acid (TA) through chelation, thus enabling the detection of Fe3+. Furthermore, this simple detection system has a wide linear detection range and high sensitivity to effortlessly evaluate Fe3+ at concentrations up to 10-7 M. More importantly, the proposed SERS flexible substrate performed well in determining Fe3+ concentrations in B16 melanocytes, providing new insights into the factors affecting the melanin synthesis pathway and providing a potential biomarker for melanoma treatment.
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Affiliation(s)
- Ruiyun You
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou 350007, China
| | - Minling Li
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou 350007, China
| | - Wenting Liu
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou 350007, China
| | - Shitong Zhang
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou 350007, China
| | - Siying Xiao
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou 350007, China
| | - Xiufeng Xiao
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou 350007, China
| | - Zheng Lin
- College of Life Science, Fujian Normal University, Fuzhou 350117, China.
| | - Yudong Lu
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Engineering Research Center of Industrial Biocatalysis, Fujian Province Higher Education Institutes, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou 350007, China.
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11
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Ponjavic M, Filipovic V, Topakas E, Karnaouri A, Zivkovic J, Krgovic N, Mudric J, Savikin K, Nikodinovic-Runic J. Two-Step Upcycling Process of Lignocellulose into Edible Bacterial Nanocellulose with Black Raspberry Extract as an Active Ingredient. Foods 2023; 12:2995. [PMID: 37627994 PMCID: PMC10453929 DOI: 10.3390/foods12162995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/02/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023] Open
Abstract
(1) Background: Bacterial nanocellulose (BNC) has gained in popularity over the years due to its outstanding properties such as renewability, biocompatibility, and bioavailability, and its use as an eco-friendly material of the future for replacing petrochemical products. (2) Methods: This research refers to the utilization of lignocellulose coming from wood waste via enzymatic hydrolysis to produce biopolymer BNC with an accumulation rate of 0.09 mg/mL/day. Besides its significant contribution to the sustainability, circularity, and valorization of biomass products, the obtained BNC was functionalized through the adsorption of black raspberry extract (BR) by simple soaking. (3) Results: BR contained 77.25 ± 0.23 mg GAE/g of total phenolics and 27.42 ± 0.32 mg CGE/g of total anthocyanins. The antioxidant and antimicrobial activity of BR was evaluated by DPPH (60.51 ± 0.18 µg/mL) and FRAP (1.66 ± 0.03 mmol Fe2+/g) and using a standard disc diffusion assay, respectively. The successful synthesis and interactions between BNC and BR were confirmed by FTIR analysis, while the morphology of the new nutrient-enriched material was investigated by SEM analysis. Moreover, the in vitro release kinetics of a main active compound (cyanidin-3-O-rutinoside) was tested in different release media. (4) Conclusions: The upcycling process of lignocellulose into enriched BNC has been demonstrated. All findings emphasize the potential of BNC-BR as a sustainable food industry material.
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Affiliation(s)
- Marijana Ponjavic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11000 Belgrade, Serbia; (M.P.); (V.F.)
| | - Vuk Filipovic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11000 Belgrade, Serbia; (M.P.); (V.F.)
| | - Evangelos Topakas
- Industrial Biotechnology and Biocatalysis Group, Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, 5 Iroon Polytechniou Str., 15772 Athens, Greece;
| | - Anthi Karnaouri
- Laboratory of General and Agricultural Microbiology, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece;
| | - Jelena Zivkovic
- Institute for Medicinal Plants Research “Dr Josif Pančić”, Tadeuša Košćuška 1, 11000 Belgrade, Serbia; (J.Z.); (N.K.); (J.M.); (K.S.)
| | - Nemanja Krgovic
- Institute for Medicinal Plants Research “Dr Josif Pančić”, Tadeuša Košćuška 1, 11000 Belgrade, Serbia; (J.Z.); (N.K.); (J.M.); (K.S.)
| | - Jelena Mudric
- Institute for Medicinal Plants Research “Dr Josif Pančić”, Tadeuša Košćuška 1, 11000 Belgrade, Serbia; (J.Z.); (N.K.); (J.M.); (K.S.)
| | - Katarina Savikin
- Institute for Medicinal Plants Research “Dr Josif Pančić”, Tadeuša Košćuška 1, 11000 Belgrade, Serbia; (J.Z.); (N.K.); (J.M.); (K.S.)
| | - Jasmina Nikodinovic-Runic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11000 Belgrade, Serbia; (M.P.); (V.F.)
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12
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Jian X, Wang Y, Zhu R, Pan Y, Ye H, Zeng X. One-Pot Biosynthesis of Carbon-Coated Silver Nanoparticles Using Palm Leaves as a Reductant and a Carbon Source. ACS OMEGA 2023; 8:23607-23612. [PMID: 37426257 PMCID: PMC10324050 DOI: 10.1021/acsomega.3c01554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/03/2023] [Indexed: 07/11/2023]
Abstract
In this study, carbon-coated silver nanoparticles (Ag@C NPs) were synthesized with a one-pot hydrothermal method using palm leaves as a reductant and a carbon source. SEM, TEM, XRD, Raman, and UV-vis analyses were employed to characterize the as-prepared Ag@C NPs. Results showed that the diameter of silver nanoparticles (Ag NPs) and the coating thickness could be controlled by changing the amount of biomass and the reaction temperature. The diameter ranged from 68.33 to 143.15 nm, while the coating thickness ranged from 1.74 to 4.70 nm. As the biomass amount and the reaction temperature increased, the diameter of Ag NPs and the coating thickness became larger. Thus, this work provided a green, simple, and feasible method for the preparation of metal nanocrystals.
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Affiliation(s)
- Xuchao Jian
- Research
and Develop Center, Shenzhen Huake-Tek Co.,
Ltd., Shenzhen 518116, China
| | - Ying Wang
- Research
and Develop Center, Shenzhen Huake-Tek Co.,
Ltd., Shenzhen 518116, China
| | - Rukang Zhu
- Research
and Develop Center, Shenzhen Huake-Tek Co.,
Ltd., Shenzhen 518116, China
| | - Yingying Pan
- Research
and Develop Center, Shenzhen Huake-Tek Co.,
Ltd., Shenzhen 518116, China
| | - Huangqing Ye
- International
Collaborative Laboratory of 2D Materials for Optoelectronics Science
and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, China
| | - Xiping Zeng
- Research
and Develop Center, Shenzhen Huake-Tek Co.,
Ltd., Shenzhen 518116, China
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13
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Liu Y, Ran Q, Guo J, Zhu W, Bushra R, Duan X, Huang Y, Jiang Z, Khan MR, Jin Y, Xiao H, Song J. In-situ CBM3-modified bacterial cellulose film with improved mechanical properties. Int J Biol Macromol 2023:125193. [PMID: 37285886 DOI: 10.1016/j.ijbiomac.2023.125193] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 04/19/2023] [Accepted: 05/31/2023] [Indexed: 06/09/2023]
Abstract
Cellulose materials have poor wet strength and are susceptible to acidic or basic environments. Herein, we developed a facile strategy to modify bacterial cellulose (BC) with a genetically engineered Family 3 Carbohydrate-Binding Module (CBM3). To assess the effect of BC films, water adsorption rate (WAR), water holding capacity (WHC), water contact angle (WCA), and mechanical and barrier properties were determined. The results showed that CBM3-modified BC film exhibited significant strength and ductility improvement, reflecting improved mechanical properties of the film. The excellent wet strength (both in the acidic and basic environment), bursting strength, and folding endurance of CBM3-BC films were due to the strong interaction between CBM3 and fiber. The toughness of CBM3-BC films reached 7.9, 28.0, 13.3, and 13.6 MJ/m3, which were 6.1, 1.3, 1.4, and 3.0 folds over the control for conditions of dry, wet, acidic, and basic, respectively. In addition, its gas permeability was reduced by 74.3 %, and folding times increased by 56.8 % compared with the control. The synthesized CBM3-BC films may hold promise for future applications in food packaging, paper straw, battery separator, and other fields. Finally, the in situ modification strategy used to BC can be successfully applied in other functional modifications for BC materials.
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Affiliation(s)
- Yena Liu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Qiuping Ran
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei University, Wuhan 430062, China
| | - Jiaqi Guo
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Wenyuan Zhu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Rani Bushra
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Xuguo Duan
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Yang Huang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Zhengbing Jiang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei University, Wuhan 430062, China.
| | - Mohammad R Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia.
| | - Yongcan Jin
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada.
| | - Junlong Song
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
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14
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Santana RMDR, Napoleão DC, Rodriguez-Diaz JM, Gomes RKDM, Silva MG, Garcia RRP, Vinhas GM, Duarte MMMB. Original nanostructured bacterial cellulose/pyrite composite: Photocatalytic application in advanced oxidation processes. CHEMOSPHERE 2023; 319:137953. [PMID: 36709843 DOI: 10.1016/j.chemosphere.2023.137953] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/30/2022] [Accepted: 01/22/2023] [Indexed: 06/18/2023]
Abstract
The development of an original catalytic composite of bacterial cellulose (BC) and pyrite (FeS2) for environmental application was the objective of this study. Nanoparticles of the FeS2 were synthesized from the hydrothermal method and immobilized on the BC structure using ex situ methodology. In the BC, the FTIR and XRD analyzes showed the absorption band associated with the Fe-S bond and crystalline peaks attributed to the pyrite. Thus, the immobilization of the iron particles on the biopolymer was proven, producing the composite BC/FeS2. The use of the SEM technique also ratifies the composite production by identifying the fibrillar structure morphology of the cellulose covered by FeS2 particles. The total iron concentration was 54.76 ± 1.69 mg L-1, determined by flame atomic absorption analysis. TG analysis and degradation tests showed respectively the thermal stability of the new material and its high catalytic potential. A multi-component solution of textile dyes was used as the matrix to be treated via advanced oxidative processes. The composite acted as the catalyst for the Fenton and photo-Fenton processes, with degradations of 52.87 and 96.82%, respectively. The material proved stability by showing low iron leaching (2.02 ± 0.09 and 2.11 ± 0.11 mg L-1 for the respective processes). Thus, its high potential for reuse is presumed, given the remaining concentration of this metal in the BC. The results showed that the BC/FeS2 composite is suitable to solve the problems associated with using catalysts in suspension form.
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Affiliation(s)
| | | | - Joan Manuel Rodriguez-Diaz
- Departamento de Procesos Químicos, Facultad de Ciencias Matemáticas, Físicas y Químicas, Universidad Técnica de Manabí, Portoviejo, Manabí, 130104, Ecuador; Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo, Manabí, 130104, Ecuador.
| | | | - Marina Gomes Silva
- Chemical Engineering Department, Universidade Federal de Pernambuco, Recife, PE, Brazil.
| | - Ramón Raudel Peña Garcia
- Academic Unit of Cabo de Santo Agostinho, Universidade Federal Rural de Pernambuco, Cabo de Santo Agostinho, PE, Brazil.
| | - Glória Maria Vinhas
- Chemical Engineering Department, Universidade Federal de Pernambuco, Recife, PE, Brazil.
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15
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Islam SU, Bairagi S, Kamali MR. Review on Green Biomass-Synthesized Metallic Nanoparticles and Composites and Their Photocatalytic Water Purification Applications: Progress and Perspectives. CHEMICAL ENGINEERING JOURNAL ADVANCES 2023. [DOI: 10.1016/j.ceja.2023.100460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
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16
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Jiang H, Zhang W, Cao J, Jiang W. Effect of purple sugarcane peel extracts on properties of films based on lemon peel waste pectin and the application in the visible detection of food freshness. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107982] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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17
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Yakaew P, Phetchara T, Kampeerapappun P, Srikulkit K. Chitosan-Coated Bacterial Cellulose (BC)/Hydrolyzed Collagen Films and Their Ascorbic Acid Loading/Releasing Performance: A Utilization of BC Waste from Kombucha Tea Fermentation. Polymers (Basel) 2022; 14:4544. [PMID: 36365538 PMCID: PMC9656554 DOI: 10.3390/polym14214544] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/18/2022] [Accepted: 10/24/2022] [Indexed: 09/07/2023] Open
Abstract
SCOBY bacterial cellulose (BC) is a biological macromolecule (considered as a by-product) that grows at the liquid-air interface during kombucha tea fermentation. In this study, BC:HC (hydrolyzed collagen) blend films coated with 1 wt% chitosan (CS) were loaded with ascorbic acid to study loading/releasing performance. At first, the mechanical properties of the blend films were found to be dependent on HC ratio. After chitosan coating, the coated films were stronger due to intermolecular hydrogen bonding interaction and the miscibility of two matrixes at the interface. The antibacterial activity test according to the AATCC Test Method revealed that chitosan-coated BC/HC films exhibited excellent antimicrobial activity against S.aureus growth from the underneath and the above film when compared to BC and BC:HC films. Moreover, chitosan was attractive to ascorbic acid during drug loading. Consequently, its releasing performance was very poor. For BC:HC blend films, ascorbic acid loading/releasing performance was balanced by water swellability, which was controlled using blending formulation and coating. Another advantage of BC films and BC:HC blend films was that they were able to maintain active ascorbic acid for a long period of time, probably due to the presence of plenty of BC hemiacetal reducing ends (protective group).
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Affiliation(s)
- Pantitra Yakaew
- Petrochemistry and Polymer Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Thapani Phetchara
- Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Piyaporn Kampeerapappun
- Faculty of Textile Industries, Rajamangala University of Technology Krungthep, Bangkok 10120, Thailand
| | - Kawee Srikulkit
- Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
- Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand
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18
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Novel synthesis of gold nanoparticles using Parkia speciosa Hassk seed extract for enhanced foam stability in hand soap. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02197-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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19
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Wang C, Song F, Wang XL, Wang YZ. A cellulose nanocrystal templating approach to synthesize size-controlled gold nanoparticles with high catalytic activity. Int J Biol Macromol 2022; 209:464-471. [PMID: 35413315 DOI: 10.1016/j.ijbiomac.2022.04.046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/01/2022] [Accepted: 04/06/2022] [Indexed: 11/17/2022]
Abstract
Advanced templating methods have shown precise regulation of the micro/nanostructures of inorganic catalysts. Here, on the basis of controlled self-assembly and micro-structures of cellulose nanocrystals (CNCs), a new bio-mass-mediated templating approach is proposed to control the growth of gold nanoparticles (Au NPs). The catalytic performance of the as-prepared Au NPs was evaluated using p-nitrophenol as a model pollutant. TEM, POM, zeta-potential, and rheological measurements were conducted to investigate the structure and catalytic activity of the nano-materials. By regulating the chiral nematic liquid crystal texture formed by the self-assembly of CNCs, the size of Au NPs could be adjusted at the nanoscale dimension, from 1.38 ± 0.38 nm to 4.25 ± 1.24 nm. Depending on the Au size, a high catalytic effect, namely, 98.0% conversion rate, was obtained within 30 min. The conversion rate was maintained at 97.0% even after 3-run cyclic application. Such findings demonstrate the potential of using CNCs as a bio-template to control the growth of nanomaterials.
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Affiliation(s)
- Chen Wang
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, s, Sichuan University, Chengdu 610064, China
| | - Fei Song
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, s, Sichuan University, Chengdu 610064, China.
| | - Xiu-Li Wang
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, s, Sichuan University, Chengdu 610064, China
| | - Yu-Zhong Wang
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, s, Sichuan University, Chengdu 610064, China.
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