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Mavelil-Sam R, Ouseph EM, Morreale M, Scaffaro R, Thomas S. Recent Developments and Formulations for Hydrophobic Modification of Carrageenan Bionanocomposites. Polymers (Basel) 2023; 15:polym15071650. [PMID: 37050264 PMCID: PMC10097169 DOI: 10.3390/polym15071650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/17/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023] Open
Abstract
Versatility of the anionic algal polysaccharide carrageenan has long been discussed and explored, especially for their affinity towards water molecules. While this feature is advantageous in certain applications such as water remediation, wound healing, etc., the usefulness of this biopolymer is extremely limited when it comes to applications such as food packaging. Scientists around the globe are carrying out research works on venturing diverse methods to integrate a hydrophobic nature into these polysaccharides without compromising their other functionalities. Considering these foregoing studies, this review was designed to have an in-depth understanding of diverse methods and techniques adopted for tuning the hydrophobic nature of carrageenan-based bionanocomposites, both via surface alterations or by changes made to their chemical structure and attached functional groups. This review article mainly focused on how the hydrophobicity of carrageenan bionanocomposites varied as a function of the type and refinement of carrageenan, and with the incorporation of additives including plasticisers, nanofillers, bioactive agents, etc. Incorporation of nanofillers such as polysaccharide-based nanoparticles, nanoclays, bioceramic and mineral based nanoparticles, carbon dots and nanotubes, metal oxide nanoparticles, etc., along with their synergistic effects in hybrid bionanocomposites are also dealt with in this comprehensive review article.
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Affiliation(s)
- Rubie Mavelil-Sam
- School of Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam 686 560, India;
- School of Energy Materials, Mahatma Gandhi University, Kottayam 686 560, India;
| | | | - Marco Morreale
- Faculty of Engineering and Architecture, Kore University of Enna, 94100 Enna, Italy
- Correspondence: (M.M.); (R.S.); (S.T.)
| | - Roberto Scaffaro
- Department of Engineering, University of Palermo, Viale delle Scienze, 90128 Palermo, Italy
- Correspondence: (M.M.); (R.S.); (S.T.)
| | - Sabu Thomas
- School of Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam 686 560, India;
- School of Energy Materials, Mahatma Gandhi University, Kottayam 686 560, India;
- Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg 2028, South Africa
- Institute of Biophysics of the Siberian Branch of the Russian Academy of Sciences, Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk 660041, Russia
- International and Inter-University Centre for Nanoscience and Nanotechnology (IIUCNN), Mahatma Gandhi University, Kottayam 686 650, India
- Correspondence: (M.M.); (R.S.); (S.T.)
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Silver-dendrimer nanocomposite as emerging therapeutics in anti-bacteria and beyond. Drug Resist Updat 2023; 68:100935. [PMID: 36774747 DOI: 10.1016/j.drup.2023.100935] [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: 12/26/2022] [Revised: 01/10/2023] [Accepted: 01/27/2023] [Indexed: 01/30/2023]
Abstract
To develop next-generation nanomedicine, theranostic nanotherapeutic strategies are increasingly being emphasized. In recent years, it is observed that the effective lifetime of anti-bacterial and anti-cancer agent is diminishing, which undermines the economic incentives necessary for clinical development and therapeutic applications. Thus, novel formulations ought to not only kill drug resistant strains and cancerous cells but also inhibit their formation. Recently, metallic nanoparticles [for example- silver (Ag) nanoparticles] have been widely investigated for their biomedical applications. The so-called applications necessitate the inclusion of these nanoparticles inside polymeric matrices (for example- dendrimer) leading to chemical functionalization of the metallic nanoparticles. Silver and silver nanoparticles' antibacterial activity has already been well established over years. Dendrimers due to their homogeneous highly branched structure and uniform composition are perfectly suitable for the inclusion of silver nanoparticles [Ag NPs]. Recently, the increasing trend in the development of Ag-dendrimer nanocomposites is attributed to the excellent antibacterial activity of Ag as well as dendrimer's unique properties like variable functional terminal ends and potential antibacterial effect necessarily. This review provides an informative overview regarding the numerous aspects of bactericidal and other biomedical applications of Ag-dendrimer nanocomposites, particularly emphasizing analysis of existing research and prospective worth to the pharmaceutical sector in future.
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Fernandes T, Martins NCT, Daniel-da-Silva AL, Trindade T. Dendrimer-based magneto-plasmonic nanosorbents for water quality monitoring using surface-enhanced Raman spectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 283:121730. [PMID: 35988470 DOI: 10.1016/j.saa.2022.121730] [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: 06/16/2022] [Revised: 07/14/2022] [Accepted: 08/05/2022] [Indexed: 06/15/2023]
Abstract
In this work, we report the synthesis of magneto-plasmonic dendrimer-based nanosorbents containing Au nanostars and we demonstrate that they can be used as versatile optical sensors for the detection of pesticides in spiked water samples. The magnetic hybrid nanoparticles were obtained by conjugating silica-functionalized G5-NH2 PAMAM dendrimers to silica-coated magnetite cores. The resulting magnetic-PAMAM conjugates were then used to reduce and sequester Au seeds for the subsequent in situ growth of Au nanostars. The dendrimer-based magneto-plasmonic substrates containing the Au anisotropic nanophases were then investigated regarding their ability to monitor water quality through surface-enhanced Raman scattering (SERS) spectroscopy. As a proof-of-concept, the ensuing multifunctional materials were investigated as SERS probing systems to detect dithiocarbamate pesticides (ziram and thiram) dissolved in water samples. It was observed that the magneto-plasmonic hybrid materials enhance the Raman signal of these pesticides under variable operational conditions, suggesting the versatility of these systems for water quality monitoring. Moreover, a detailed analysis of the SERS data was accomplished to predict the adsorption profile of the dithiocarbamate pesticides to the Au surface.
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Affiliation(s)
- Tiago Fernandes
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Natércia C T Martins
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana L Daniel-da-Silva
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Tito Trindade
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
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4
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Rezayaraghi F, Jafari-Nodoushan H, Mojtabavi S, Golshani S, Jahandar H, Faramarzi MA. Hybridization of laccase with dendrimer-grafted silica-coated hercynite-copper phosphate magnetic hybrid nanoflowers and its application in bioremoval of gemifloxacin. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:89255-89272. [PMID: 35843973 DOI: 10.1007/s11356-022-21959-4] [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: 03/30/2022] [Accepted: 07/06/2022] [Indexed: 06/15/2023]
Abstract
Laccase was successfully hybridized with polyamidoamine (PAMAM) dendrimer-grafted silica-coated hercynite-copper phosphate magnetic hybrid nanoflowers (MHNFs) to increase the catalytic performance of the enzyme and apply in an effective bioremoval of gemifloxacin. For this purpose, the magnetic nanoparticles (MNPs) of hercynite were covered with a silica layer, and the core-shell SiO2@hercynite was then modified with PAMAM dendrimer to increase the surface area of the carrier for the enzyme attachment. Subsequently, the whole complex was hybridized with laccase and copper phosphate to attain a large surface area (104.3 m2 g-1). The fabricated MHNFs acquired the entrapment yield and efficiency of 90 ± 3% and 66 ± 5%, respectively. The catalytic activity of the fabricated biocatalyst was remained up to 50% after 13 reusability cycles. Approximately 90% of gemifloxacin was removed by the constructed MHNFs after 3 h incubation by adsorption and degradation mechanisms. The biotransformation products were then identified, and degradation pathways were proposed as defluorination, decarboxylation, elimination of a cyclopropyl group, and cleavage of the pyrrolidine moiety. Furthermore, the toxicity of gemifloxacin was effectively diminished against some bacterial strains.
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Affiliation(s)
- Farnoosh Rezayaraghi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran, 1417614411, Iran
- Pharmaceutical Sciences Research Center, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Hossein Jafari-Nodoushan
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran, 1417614411, Iran
| | - Somayeh Mojtabavi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran, 1417614411, Iran
| | - Shiva Golshani
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran, 1417614411, Iran
| | - Hoda Jahandar
- Pharmaceutical Sciences Research Center, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Ali Faramarzi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran, 1417614411, Iran.
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Wang Y, Zhang J, Li W, Xie X, Yu W, Xie L, Wei Z, Guo R, Yan H, Zheng Q. Antibacterial poly(butylene succinate-co-terephthalate)/titanium dioxide/copper oxide nanocomposites films for food packaging applications. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.101004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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6
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Fernandes T, Nogueira HIS, Amorim CO, Amaral JS, Daniel‐da‐Silva AL, Trindade T. Chemical Strategies for Dendritic Magneto-plasmonic Nanostructures Applied to Surface-Enhanced Raman Spectroscopy. Chemistry 2022; 28:e202202382. [PMID: 36083195 PMCID: PMC9828551 DOI: 10.1002/chem.202202382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Indexed: 01/12/2023]
Abstract
Chemical analyses in the field using surface-enhanced Raman scattering (SERS) protocols are expected to be part of several analytical procedures applied to water quality monitoring. To date, these endeavors have been supported by developments in SERS substrate nanofabrication, instrumentation portability, and the internet of things. Here, we report distinct chemical strategies for preparing magneto-plasmonic (Fe3 O4 : Au) colloids, which are relevant in the context of trace-level detection of water contaminants due to their inherent multifunctionality. The main objective of this research is to investigate the role of poly(amidoamine) dendrimers (PAMAMs) in the preparation of SERS substrates integrating both functionalities into single nanostructures. Three chemical routes were investigated to design magneto-plasmonic nanostructures that translate into different ways for assessing SERS detection by using distinct interfaces. Hence, a series of magneto-plasmonic colloids have been characterized and then assessed for their SERS activity by using a model pesticide (thiram) dissolved in aqueous samples.
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Affiliation(s)
- Tiago Fernandes
- Department of ChemistryCICECO – Aveiro Institute of MaterialsUniversity of Aveiro3810-193AveiroPortugal
| | - Helena I. S. Nogueira
- Department of ChemistryCICECO – Aveiro Institute of MaterialsUniversity of Aveiro3810-193AveiroPortugal
| | - Carlos O. Amorim
- Department of PhysicsCICECO – Aveiro Institute of MaterialsUniversity of Aveiro3810-193AveiroPortugal
| | - João S. Amaral
- Department of PhysicsCICECO – Aveiro Institute of MaterialsUniversity of Aveiro3810-193AveiroPortugal
| | - Ana L. Daniel‐da‐Silva
- Department of ChemistryCICECO – Aveiro Institute of MaterialsUniversity of Aveiro3810-193AveiroPortugal
| | - Tito Trindade
- Department of ChemistryCICECO – Aveiro Institute of MaterialsUniversity of Aveiro3810-193AveiroPortugal
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7
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Polysaccharides: Sources, Characteristics, Properties, and Their Application in Biodegradable Films. POLYSACCHARIDES 2022. [DOI: 10.3390/polysaccharides3030029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Biodegradable films emerge as alternative biomaterials to conventional packaging from fossil sources, which, in addition to offering protection and increasing the shelf life of food products, are ecologically sustainable. The materials mostly used in their formulation are based on natural polysaccharides, plasticizing agents, and bioactive components (e.g., antimicrobial agents or antioxidants). The formulation of biodegradable films from polysaccharides and various plasticizers represents an alternative for primary packaging that can be assigned to specific food products, which opens the possibility of having multiple options of biodegradable films for the same product. This review describes the main characteristics of the most abundant polysaccharides in nature and highlights their role in the formulation of biodegradable films. The compilation and discussion emphasize studies that report on the mechanical and barrier properties of biodegradable films when made from pure polysaccharides and when mixed with other polysaccharides and plasticizing agents.
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Srichiangsa N, Ounkaew A, Kasemsiri P, Okhawilai M, Hiziroglu S, Theerakulpisut S, Chindaprasirt P. Facile fabrication of green synthesized silver-decorated magnetic particles for coating of bioactive packaging. CELLULOSE (LONDON, ENGLAND) 2022; 29:5853-5868. [PMID: 35669847 PMCID: PMC9142828 DOI: 10.1007/s10570-022-04636-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
UNLABELLED To avoid bacterial and viral infections on food products, the use of antibacterial and antiviral packaging offers great benefit to the food industry. In this study, the coating of paper packaging with silver-decorated magnetic particles (Ag@Fe3O4) was developed. The Ag@Fe3O4 was prepared by a facile and environmentally friendly method using extracted spent coffee grounds (ex-SCG). The effects of Ag@Fe3O4 content on properties of coated paper were investigated. The overall properties of coated paper improved when the Ag@Fe3O4 content increased up to 0.15%w/v. An increase in tensile strength of 154.01% and a decrease in water vapor permeability of 48.50% were found in coated paper with 0.15%w/v Ag@Fe3O4. Furthermore, the coated paper also exhibited the synergistic effect on antibacterial activities against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The release of metal ions in food simulants and kinetic release parameters were also studied. The release of silver ions and ferrous ions in food simulants met the requirement of overall migration limit of the European Standard. The paper coated with 0.15%w/v Ag@Fe3O4 had better capabilities to maintain quality and extend shelf-life of tomatoes. The obtained Ag@Fe3O4 coated paper is promising for bioactive food packaging to retain food freshness. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s10570-022-04636-0.
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Affiliation(s)
- Natnaree Srichiangsa
- Department of Chemical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen, 40002 Thailand
| | - Artjima Ounkaew
- Department of Chemical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen, 40002 Thailand
| | - Pornnapa Kasemsiri
- Department of Chemical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen, 40002 Thailand
| | - Manunya Okhawilai
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Bangkok, 10330 Thailand
- Center of Excellence in Responsive Wearable Materials, Chulalongkorn University, Bangkok, 10330 Thailand
| | - Salim Hiziroglu
- Department of Natural Resource Ecology and Management, Oklahoma State University, 303-G Agricultural Hall, Stillwater, OK 74078 USA
| | - Somnuk Theerakulpisut
- Energy Management and Conservation Office, Faculty of Engineering, Khon Kaen University, Khon Kaen, 40002 Thailand
| | - Prinya Chindaprasirt
- Sustainable Infrastructure Research and Development Center, Department of Civil Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen, 40002 Thailand
- Academy of Science, Royal Society of Thailand, Bangkok, Thailand
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9
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Carrageenan‐based Hybrids with Biopolymers and Nano‐structured Materials for Biomimetic Applications. STARCH-STARKE 2022. [DOI: 10.1002/star.202200018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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10
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Esmaili S, Moosavi-Zare AR, Khazaei A. Nano-[Fe3O4@SiO2/N-propyl-1-(thiophen-2-yl)ethanimine][ZnCl2] as a nano magnetite Schiff base complex and heterogeneous catalyst for the synthesis of pyrimido[4,5-b]quinolones. RSC Adv 2022; 12:5386-5394. [PMID: 35425540 PMCID: PMC8981359 DOI: 10.1039/d2ra00213b] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 02/04/2022] [Indexed: 01/07/2023] Open
Abstract
Nano-[Fe3O4@SiO2/N-propyl-1-(thiophen-2-yl)ethanimine][ZnCl2] as a nano magnetite Schiff base complex was designed and fully characterized by various analyses such as Fourier transform infrared spectroscopy (FT-IR), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), thermal gravimetric analysis (TGA), differential thermal gravimetric analysis (DTA), vibrating sample magnetometry (VSM), scanning electron microscopy (SEM), and transmission electron micrographs (TEM). The presented nano magnetite Schiff base complex was used as a heterogeneous catalyst for the synthesis of pyrimido[4,5-b]quinolones by the reaction of aryl aldehyde, dimedone and 6-amino-1,3-dimethyluracil in EtOH : H2O (7 : 3) as a solvent at 60 °C. Nano-[Fe3O4@SiO2/N-propyl-1-(thiophen-2-yl)ethanimine][ZnCl2] as a nano magnetite Schiff base complex was designed and successfully tested for the synthesis of pyrimido[4,5-b]quinolones.![]()
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Affiliation(s)
- Soheila Esmaili
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran
| | | | - Ardeshir Khazaei
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran
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Saedi S, Shokri M, Kim JT, Shin GH. Semi-transparent regenerated cellulose/ZnONP nanocomposite film as a potential antimicrobial food packaging material. J FOOD ENG 2021. [DOI: 10.1016/j.jfoodeng.2021.110665] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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12
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Han J, Han X, Xue Z, Wang Q, Xia Y, Zhao Z. An eco‐friendly procedure for achieving high‐yield carrageenan from
Hypnea cervicornis
suitable for wet spinning. J Appl Polym Sci 2021. [DOI: 10.1002/app.50833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jie Han
- College of Chemistry and Chemical Engineering, State Key Laboratory of Bio‐fibers and Eco‐textiles, Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials Qingdao University Qingdao China
| | - Xiao Han
- College of Chemistry and Chemical Engineering, State Key Laboratory of Bio‐fibers and Eco‐textiles, Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials Qingdao University Qingdao China
| | - Zhixin Xue
- College of Chemistry and Chemical Engineering, State Key Laboratory of Bio‐fibers and Eco‐textiles, Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials Qingdao University Qingdao China
| | - Qianqian Wang
- College of Chemistry and Chemical Engineering, State Key Laboratory of Bio‐fibers and Eco‐textiles, Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials Qingdao University Qingdao China
| | - Yanzhi Xia
- College of Chemistry and Chemical Engineering, State Key Laboratory of Bio‐fibers and Eco‐textiles, Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials Qingdao University Qingdao China
| | - Zhihui Zhao
- College of Chemistry and Chemical Engineering, State Key Laboratory of Bio‐fibers and Eco‐textiles, Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials Qingdao University Qingdao China
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Silver ion loaded 3-aminopropyl trimethoxysilane -modified Fe 3O 4 nanoparticles for the fabrication of carrageenan-based active packaging films. Colloids Surf B Biointerfaces 2021; 208:112085. [PMID: 34478956 DOI: 10.1016/j.colsurfb.2021.112085] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 08/18/2021] [Accepted: 08/29/2021] [Indexed: 11/21/2022]
Abstract
Fe3O4 nanoparticle loaded with silver ion was prepared as a more efficient, safer, and less environmentally hazardous silver-based antibacterial nanomaterial. The Fe3O4 nanoparticle was modified using 3-aminopropyl trimethoxysilane (APTMS) to enhance the silver ion adsorption capacity and antibacterial activity. Silver ions were adsorbed on pristine Fe3O4 and Fe3O4@NH2 to enhance antibacterial activity. Energy dispersive spectroscopy (EDS) results showed that Fe3O4 adsorbed 2.74 wt% of Ag, whereas Fe3O4@NH2 adsorbed 9.88 wt%. Pristine Fe3O4NP, silver ion loaded Fe3O4 (Fe3O4-Ag), and silver ion loaded Fe3O4@NH2 (Fe3O4@NH2-Ag) were used to manufacture carrageenan-based composite films. Compared with Fe3O4-Ag, Fe3O4@NH2-Ag exhibited stronger antimicrobial activity against E. coli (8.82 vs. 5.02 log reduction) and L. monocytogenes (10.09 vs. 3.93 log reduction). While the addition of Fe3O4 significantly reduced the WCA of the carrageenan films from 61.1 ± 5.4 ° to 37.2 ± 2.1 °, the additions of Fe3O4-Ag and Fe3O4@NH2-Ag reduced the WCA of the film to a lesser extent (56.9 ± 4.6 ° and 56.9 ± 4.6 °, respectively). Fe3O4NP also improved the thermal stability of carrageenan over Fe3O4@NH2-Ag (22 °C vs. 13 °C) and UV blocking properties (T280, 0.1 ± 0.0 % vs. 3.3 ± 1.5 %).
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Preparation and Characterization of κ-Carrageenan Modified with Maleic Anhydride and Its Application in Films. Mar Drugs 2021; 19:md19090486. [PMID: 34564148 PMCID: PMC8471587 DOI: 10.3390/md19090486] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/03/2022] Open
Abstract
In this work, the physicochemical properties of maleic anhydride (MAH)-modified κ-carrageenan (κCar) (MC) were characterized and compared with those of native κ-carrageenan (NC). The Fourier transform infrared spectrum of MC exhibited that κCar was successfully modified. Thermogravimetric analysis indicated that the thermal stability of MC was decreased. When the degree of substitution was 0.032, MC exhibited a low gel strength (759 g/cm2), gelling temperature (33.3 °C), and dehydration rate (60.3%). Given the excellent film-forming ability of κCar, MC films were then prepared and were found to have better mechanical and barrier properties (UV and water) than NC films. With regard to optical properties, MC films could completely absorb UV light in the range of 200–236 nm. The water contact angle of MC films was higher than that of NC films. Moreover, the elongation at break increased from 26.9% to 163%. These physicochemical property changes imply that MC can be employed in polysaccharide-based films.
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15
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Polysaccharide-Based Packaging Functionalized with Inorganic Nanoparticles for Food Preservation. POLYSACCHARIDES 2021. [DOI: 10.3390/polysaccharides2020026] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Functionalization of polysaccharide-based packaging incorporating inorganic nanoparticles for food preservation is an active research area. This review summarizes the use of polysaccharide-based materials functionalized with inorganic nanoparticles (TiO2, ZnO, Ag, SiO2, Al2O3, Fe2O3, Zr, MgO, halloysite, and montmorillonite) to develop hybrid packaging for fruit, vegetables, meat (lamb, minced, pork, and poultry), mushrooms, cheese, eggs, and Ginkgo biloba seeds preservation. Their effects on quality parameters and shelf life are also discussed. In general, treated fruit, vegetables, mushrooms, and G. biloba seeds markedly increased their shelf life without significant changes in their sensory attributes, associated with a slowdown effect in the ripening process (respiration rate) due to the excellent gas exchange and barrier properties that effectively prevented dehydration, weight loss, enzymatic browning, microbial infections by spoilage and foodborne pathogenic bacteria, and mildew apparition in comparison with uncoated or polysaccharide-coated samples. Similarly, hybrid packaging showed protective effects to preserve meat products, cheese, and eggs by preventing microbial infections and lipid peroxidation, extending the food product’s shelf life without changes in their sensory attributes. According to the evidence, polysaccharide-hybrid packaging can preserve the quality parameters of different food products. However, further studies are needed to guarantee the safe implementation of these organic–inorganic packaging materials in the food industry.
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Pounds K, Jairam S, Bao H, Meng S, Zhang L, Godinez SA, Savin DA, Pelletier W, Correll MJ, Tong Z. Glycerol-Based Dendrimer Nanocomposite Film as a Tunable pH-Sensor for Food Packaging. ACS APPLIED MATERIALS & INTERFACES 2021; 13:23268-23281. [PMID: 33956422 DOI: 10.1021/acsami.1c05145] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Large amounts of food are wasted during the food supply chain. This loss is in part due to consumer confusion over dates on food packages that can indicate a variety of quality indicators in the product (e.g., expiration date, "best by" date, "sell by" dates, etc.). To reduce this food loss, much research has been focused on the films that offer simple and easily manipulated indication systems to detect food spoilage. However, these materials are usually hydrophilic biopolymers that can detect the food spoilage in a wide pH range but do not provide highly sensitive real-time measurements. In this work, a glycerol-based nanocomposite core-shell latex film was synthesized to create a responsive packaging material that can provide real-time pH detection of food with high sensitivity. First, the pH-responsive dendrimer comonomer was synthesized from glycerol and diamine. Then, the nanoencapsulation polymerization process via miniemulsion was conducted to form a core-shell structure with tunable nanoshell thickness for a sensible pH-responsive release (<0.5 pH change). Next, the flexible film encapsulated a color-indicative dye that provided highly sensitive and visible color changes as both the pH dropped and the time elapsed in the food. This film also provided a barrier to water and heat and resisted deformation. Ultimately, this nanocomposite flexible film pending a pH sensor has the potential as an intelligent food packaging material for a universal, accurate, easy-to-use, and real-time food spoilage monitoring system to reduce food waste.
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Affiliation(s)
- Karyn Pounds
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Suguna Jairam
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Hanxi Bao
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Shanyu Meng
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Lin Zhang
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Scarlett Arencibia Godinez
- Department of Chemistry, Center for Macromolecular Science and Engineering, P.O. Box 117200, Gainesville, Florida 32611-7200, United States
| | - Daniel A Savin
- Department of Chemistry, Center for Macromolecular Science and Engineering, P.O. Box 117200, Gainesville, Florida 32611-7200, United States
| | - William Pelletier
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Melanie J Correll
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
| | - Zhaohui Tong
- Department of Agricultural and Biological Engineering, Institute of Food and Agricultural Sciences (IFAS), University of Florida, 1741 Museum Road, Gainesville, Florida 32611, United States
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17
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Jia H, Zeng X, Cai R, Wang Z, Yuan Y, Yue T. One-pot synthesis of magnetic self-assembled carrageenan-ε-polylysine composites: A reusable and effective antibacterial agent against Alicyclobacillus acidoterrestris. Food Chem 2021; 360:130062. [PMID: 34082377 DOI: 10.1016/j.foodchem.2021.130062] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 04/26/2021] [Accepted: 05/09/2021] [Indexed: 10/21/2022]
Abstract
Epsilon-polylysine (EPL) is a cationic polymer with broad antibacterial activity. Base on this property, anionic carrageenan (CG) was self-assembled with EPL and introduced into the one-pot coprecipitation process to fabricate the magnetic Fe3O4-CG-EPL composites. To demonstrate the successful synthesis of composites, characterization techniques including XRD, FT-IR, TEM, XPS and VSM were employed. The prepared composites exhibited effective antibacterial activity against Alicyclobacillus acidoterrestris with the minimum inhibitory concentration of 10.0 mg mL-1. Investigations into deciphering the antibacterial mechanism demonstrated that the presence of Fe3O4-CG-EPL caused irreversible damage to the cell membrane and serious leakage of intracellular protein, resulting in the inactivation of bacteria. The aim of this work is to develop a new effective control method for A. acidoterrestris in food field.
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Affiliation(s)
- Hang Jia
- College of Food Science and Engineering, Northwest A & F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Xuejun Zeng
- College of Food Science and Engineering, Northwest A & F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Rui Cai
- College of Food Science and Engineering, Northwest A & F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Zhouli Wang
- College of Food Science and Engineering, Northwest A & F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Yahong Yuan
- College of Food Science and Engineering, Northwest A & F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Tianli Yue
- College of Food Science and Engineering, Northwest A & F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China; College of Food Science and Technology, Northwest University, Xi'an 710069, China.
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18
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Investigation of Ultrasonic Treatment on Physicochemical, Structural and Morphological Properties of Sodium Alginate/AgNPs/Apple Polyphenol Films and Its Preservation Effect on Strawberry. Polymers (Basel) 2020; 12:polym12092096. [PMID: 32942637 PMCID: PMC7570076 DOI: 10.3390/polym12092096] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/06/2020] [Accepted: 09/08/2020] [Indexed: 12/19/2022] Open
Abstract
An antibacterial and anti-oxidation composite film was prepared by a casting method using sodium alginate (SA) and apple polyphenols (APPs) as the base material and glycerol as the plasticizer. Silver nanoparticles (AgNPs) were deposited by ultrasonic-assisted electrospray method. The degree of influence of the addition ratio of SA and AgNPs and different ultrasonic time on the mechanical properties, barrier properties, optical properties, and hydrophilicity of the composite film was explored. The composite films were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and scanning electron microscopy (SEM). The results showed that the SA: AgNPs ratio of 7:3 and the ultrasonic time for 30 min have the best comprehensive performance, and SA/AgNPs/APP films showed the lowest water vapor permeability value of 0.75 × 10−11 g/m·s·Pa. The composite film has good strength and softness, with tensile strength (TS) and elongation at break (E) at 23.94 MPa and 29.18%, respectively. SEM images showed that the surface of the composite film was smooth and the AgNPs’ distribution was uniform. The composite film showed broad antibacterial activity, and the antibacterial activity of Escherichia coli (92.01%) was higher than that of Staphylococcus aureus (91.26%). However, due to the addition of APP, its antioxidant activity can reach 98.39%, which has a synergistic effect on antibacterial activity. For strawberry as a model, the results showed that this composite film can prolong the shelf life of strawberries for about 8 days at 4 °C, effectively maintaining their storage quality. Compared with the commonly used PE(Polyethylene film) film on the market, it has a greater fresh-keeping effect and can be used as an active food packaging material.
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