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Ochoa-Viñals N, Alonso-Estrada D, Ramos-González R, Rodríguez-Hernández J, Martínez-Hernández JL, Aguilar-González MÁ, Betancourt-Galindo R, Michelena-Álvarez GL, Ilina A. Chitosan-coated manganese ferrite nanoparticles enhanced Rhodotorula toruloides carotenoid production. Bioprocess Biosyst Eng 2024; 47:1777-1787. [PMID: 39090227 DOI: 10.1007/s00449-024-03068-3] [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: 05/02/2024] [Accepted: 07/21/2024] [Indexed: 08/04/2024]
Abstract
The present study aims to analyze the interaction between Rhodotorula toruloides and magnetic nanoparticles and evaluate their effect on carotenoid production. The manganese ferrite nanoparticles were synthesized without chitosan (MnFe2O4) and chitosan coating (MnFe2O4-CS) by the co-precipitation method assisted by hydrothermal treatment. XRD (X-ray diffraction), Magnetometry, Dynamic Light Scattering (DLS) and FTIR (Fourier-Transform Infrared Spectroscopy), are used to characterize the magnetic nanoparticles. The crystallite size of MnFe2O4 was 16 nm for MnFe2O4 and 20 nm for MnFe2O4-CS. The magnetic saturation of MnFe2O4-CS was lower (39.6 ± 0.6 emu/g) than the same MnFe2O4 nanoparticles (42.7 ± 0.3 emu/g), which was attributed to the chitosan fraction presence. The MnFe2O4-CS FTIR spectra revealed the presence of the characteristic chitosan bands. DLS demonstrated that the average hydrodynamic diameters were 344 nm for MnFe2O4 and 167 nm for MnFe2O4-CS. A kinetic study of cell immobilization performed with their precipitation with a magnet demonstrated that interaction between magnetic nanoparticles and R. toruloides was characterized by an equilibrium time of 2 h. The adsorption isotherm models (Langmuir and Freundlich) were fitted to the experimental values. The trypan blue assay was used for cell viability assessment. The carotenoid production increased to 256.2 ± 6.1 µg/g dry mass at 2.0 mg/mL MnFe2O4-CS. The use of MnFe2O4-CS to stimulate carotenoid yeast production and the magnetic separation of biomass are promising nanobiotechnological alternatives. Magnetic cell immobilization is a perspective technique for obtaining cell metabolites.
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Affiliation(s)
- Nayra Ochoa-Viñals
- Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, Unidad Saltillo, 25280, Saltillo, Coahuila, Mexico
| | - Dania Alonso-Estrada
- Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, Unidad Saltillo, 25280, Saltillo, Coahuila, Mexico
| | - Rodolfo Ramos-González
- CONAHCYT, Universidad Autónoma de Coahuila, Unidad Saltillo, 25280, Saltillo, Coahuila, Mexico.
| | - Joelis Rodríguez-Hernández
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna Hermosillo No. 140, 25250, Saltillo, Coahuila, Mexico
| | - José Luis Martínez-Hernández
- Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, Unidad Saltillo, 25280, Saltillo, Coahuila, Mexico
| | | | - Rebeca Betancourt-Galindo
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna Hermosillo No. 140, 25250, Saltillo, Coahuila, Mexico
| | | | - Anna Ilina
- Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, Unidad Saltillo, 25280, Saltillo, Coahuila, Mexico.
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2
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Sun Y, Feng J, Zhu W, Hou R, Zhang B, Ishag A. The recent advances of MnFe 2O 4-based nanoparticles in environmental application: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 954:176378. [PMID: 39306129 DOI: 10.1016/j.scitotenv.2024.176378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 08/31/2024] [Accepted: 09/16/2024] [Indexed: 09/28/2024]
Abstract
The manganese ferrite (MnFe2O4)-based nanoparticles showed a substantial potential to remediate the various pollutants in environmental application due to low cost, simple magnetic separation and high removal capacity. Herein, the functionalization of various MnFe2O4-based nanoparticles was briefly summarized; Then the recent advances concerning the removal of pollutants (i.e., organics, heavy metals and antibacterial activity) on different MnFe2O4-based nanoparticles were reviewed in details. The reactivity of MnFe2O4-based nanoparticles was significantly influenced by environmental factors. It is demonstrated that interaction mechanism of various pollutants on magnetic MnFe2O4-based nanoparticles included degradation, adsorption, coordination, redox and precipitation. Finally, the current problems and future perspective of MnFe2O4-based nanoparticles were proposed. The highlight of this review is to compare the removal performance of MnFe2O4-based nanoparticles with the different hybrids. This review is crucial for the application of MnFe2O4-based nanoparticles in the environmental remediation.
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Affiliation(s)
- Yubing Sun
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China.
| | - Jiashuo Feng
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China
| | - Weiyu Zhu
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China
| | - Rongbo Hou
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China
| | - Bo Zhang
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China; Research Center of Applied Geology of China Geological Survey, Chengdu 610036, China.
| | - Alhadi Ishag
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China; Department of Chemical Engineering, Faculty of Engineering and Technical Studies, University of Kordofan, El Obeid 51111, Sudan
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3
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Sun L, Zhang X, Wang Z, Liu M. Adsorption of magnetic manganese ferrites to simulated monomeric mercury in flue gases. PLoS One 2024; 19:e0304333. [PMID: 38875253 PMCID: PMC11178181 DOI: 10.1371/journal.pone.0304333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 05/10/2024] [Indexed: 06/16/2024] Open
Abstract
Magnetic MnFe2O4 nanoparticles were successfully prepared by the rapid combustion method at 500 °C for 2 h with 30 mL absolute ethanol, and were characterized by SEM, TEM, XRD, VSM, and XPS techniques, their average particle size and the saturation magnetization were about 25.3 nm and 79.53 A·m2/kg, respectively. The magnetic MnFe2O4 nanoparticles were employed in a fixed bed experimental system to investigate the adsorption capacity of Hg0 from air. The MnFe2O4 nanoparticles exhibited the large adsorption performance on Hg0 with the adsorption capacity of 16.27 μg/g at the adsorption temperature of 50 °C with the space velocity of 4.8×104 h-1. The VSM and EDS results illustrated that the prepared MnFe2O4 nanoparticles were stable before and after adsorption and successfully adsorbed Hg0. The TG curves demonstrated that the mercury compound formed after adsorption was HgO, and both physical and chemical adsorption processes were observed. Magnetic MnFe2O4 nanoparticles revealed excellent adsorbance of Hg0 in air, which suggested that MnFe2O4 nanoparticles be promising for the removal of Hg0.
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Affiliation(s)
- Lei Sun
- Danyang Maternal and Child Health Hospital, Zhenjiang, P.R. China
| | - Xiajun Zhang
- The People's Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Zhenjiang, P.R. China
| | - Zhou Wang
- Vanadium and Titanium Resource Comprehensive Utilization Key Laboratory of Sichuan Province, School of Vanadium and Titanium, Panzhihua University, Panzhihua, P.R. China
| | - Min Liu
- The People's Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Zhenjiang, P.R. China
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Wen Y, Xue C, Ji D, Zhang Y, Zhang M, Gong W, Li Z, Li Y. Green construction of self-floating polysaccharide-based hydrogels with catalytic activity for efficient organic pollutants reduction. Int J Biol Macromol 2024; 271:132507. [PMID: 38768920 DOI: 10.1016/j.ijbiomac.2024.132507] [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: 11/24/2023] [Revised: 05/09/2024] [Accepted: 05/17/2024] [Indexed: 05/22/2024]
Abstract
This study employed an anionic heteropolysaccharide extracted from overgrown Enteromorpha and homopolysaccharide pullulan to fabricate a self-floating hydrogel by introducing bubble templates. Subsequently, green in-situ reduction and immobilization of silver nanoparticles (Ag NPs) in the hydrogel were successfully achieved without additional reducing agents. The heteropolysaccharide from Enteromorpha provides carboxyl and sulfate groups for Ag+ ions complexation, which is beneficial for the in-situ reduction of Ag NPs and inhibits their aggregation. The incorporation of bubble templates facilitates the creation of a hierarchical pore structure in the hydrogel, giving it self-floating properties for easy recycling, while the hierarchical network with rich anchor sites ensuring adequate traction for Ag NPs dispersion and stabilization. By adjusting polysaccharide content and using bubble templates, Ag NPs smaller than 10 nm can be obtained. The composite hydrogel exhibits tunable catalytic activity and excellent degradation towards Rhodamine B, Methyl Orange, and 4-Nitrophenol, with the normalized rate constant (knor) of 78.89, 59.08, and 30.42 min-1 g-1, respectively. Notably, the reduction efficiency remained above 98 % after 6 recycles with little leaching of Ag NPs, benefiting from its self-floating ability for easy recovery in practical applications.
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Affiliation(s)
- Yutong Wen
- Key Laboratory of Colloid and Interface Chemistry of State Education Ministry, School of Chemistry and Chemical Engineering, Shandong University, PR China
| | - Chunlong Xue
- Key Laboratory of Colloid and Interface Chemistry of State Education Ministry, School of Chemistry and Chemical Engineering, Shandong University, PR China
| | - Deluo Ji
- Key Laboratory of Colloid and Interface Chemistry of State Education Ministry, School of Chemistry and Chemical Engineering, Shandong University, PR China
| | - Ye Zhang
- Key Laboratory of Colloid and Interface Chemistry of State Education Ministry, School of Chemistry and Chemical Engineering, Shandong University, PR China
| | - Meng Zhang
- Key Laboratory of Colloid and Interface Chemistry of State Education Ministry, School of Chemistry and Chemical Engineering, Shandong University, PR China
| | - Weiqian Gong
- Key Laboratory of Colloid and Interface Chemistry of State Education Ministry, School of Chemistry and Chemical Engineering, Shandong University, PR China
| | - Zhiqi Li
- Key Laboratory of Colloid and Interface Chemistry of State Education Ministry, School of Chemistry and Chemical Engineering, Shandong University, PR China
| | - Ying Li
- Key Laboratory of Colloid and Interface Chemistry of State Education Ministry, School of Chemistry and Chemical Engineering, Shandong University, PR China.
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Velidandi A, Sarvepalli M, Gandam PK, Prashanth Pabbathi NP, Baadhe RR. Characterization, catalytic, and recyclability studies of nano-sized spherical palladium particles synthesized using aqueous poly-extract (turmeric, neem, and tulasi). ENVIRONMENTAL RESEARCH 2023; 228:115821. [PMID: 37019298 DOI: 10.1016/j.envres.2023.115821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 03/04/2023] [Accepted: 03/30/2023] [Indexed: 05/16/2023]
Abstract
Green synthesis of noble metal nanoparticles (NPs) has gained immense significance compared to other metal ions owing to their unique properties. Among them, palladium 'Pd' has been in the spotlight for its stable and superior catalytic activity. This work focuses on the synthesis of Pd NPs using the combined aqueous extract (poly-extract) of turmeric (rhizome), neem (leaves), and tulasi (leaves). The bio-synthesized Pd NPs were characterized to study its physicochemical and morphological features using several analytical techniques. Role of Pd NPs as nano-catalysts in the degradation of dyes (1 mg/2 mL stock solution) was evaluated in the presence of a strong reducing agent (sodium borohydride; SBH). In the presence of Pd NPs and SBH, maximum reduction of methylene blue (MB), methyl orange (MO), and rhodamine-B (Rh-B) dyes was observed under 20nullmin (96.55 ± 2.11%), 36nullmin (96.96 ± 2.24%), and 27nullmin (98.12 ± 1.33%), with degradation rate of 0.1789 ± 0.0273 min-1, 0.0926 ± 0.0102 min-1, and 0.1557 ± 0.0200 min-1, respectively. In combination of dyes (MB + MO + Rh-B), maximum degradation was observed under 50nullmin (95.49 ± 2.56%) with degradation rate of 0.0694 ± 0.0087 min-1. It was observed that degradation was following pseudo-first order reaction kinetics. Furthermore, Pd NPs showed good recyclability up to cycle 5 (72.88 ± 2.32%), cycle 9 (69.11 ± 2.19%) and cycle 6 (66.21 ± 2.72%) for MB, MO and Rh-B dyes, respectively. Whereas, up to cycle 4 (74.67 ± 0.66%) during combination of dyes. As Pd NPs showed good recyclability, they can be used for several cycles thus influencing the overall economics of the process.
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Affiliation(s)
- Aditya Velidandi
- Department of Biotechnology, National Institute of Technology, Warangal, Telangana, 506004, India.
| | - Mounika Sarvepalli
- Department of Biotechnology, National Institute of Technology, Warangal, Telangana, 506004, India.
| | - Pradeep Kumar Gandam
- Department of Biotechnology, National Institute of Technology, Warangal, Telangana, 506004, India.
| | | | - Rama Raju Baadhe
- Department of Biotechnology, National Institute of Technology, Warangal, Telangana, 506004, India.
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Khagar P, Bagde AD, Sarode B, Maldhure AV, Wankhade AV. Organophosphate eradication by phytochemical cocktail stabilized biocompatible silver nanoparticles loaded polydopamine via peroxidase mimicking activity. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Belessiotis GV, Falara PP, Ibrahim I, Kontos AG. Magnetic Metal Oxide-Based Photocatalysts with Integrated Silver for Water Treatment. MATERIALS 2022; 15:ma15134629. [PMID: 35806752 PMCID: PMC9267654 DOI: 10.3390/ma15134629] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 06/19/2022] [Accepted: 06/27/2022] [Indexed: 01/02/2023]
Abstract
In this review, the most recent advances in the field of magnetic composite photocatalysts with integrated plasmonic silver (Ag) is presented, with an overview of their synthesis techniques, properties and photocatalytic pollutant removal applications. Magnetic attributes combined with plasmonic properties in these composites result in enhancements for light absorption, charge-pair generation-separation-transfer and photocatalytic efficiency with the additional advantage of their facile magnetic separation from water solutions after treatment, neutralizing the issue of silver’s inherent toxicity. A detailed overview of the currently utilized synthesis methods and techniques for the preparation of magnetic silver-integrated composites is presented. Furthermore, an extended critical review of the most recent pollutant removal applications of these composites via green photocatalysis technology is presented. From this survey, the potential of magnetic composites integrated with plasmonic metals is highlighted for light-induced water treatment and purification. Highlights: (1) Perspective of magnetic properties combined with plasmon metal attributes; (2) Overview of recent methods for magnetic silver-integrated composite synthesis; (3) Critical view of recent applications for photocatalytic pollutant removal.
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Affiliation(s)
- George V. Belessiotis
- National Center for Scientific Research “Demokritos”, Institute of Nanoscience and Nanotechnology, 15310 Athens, Greece; (G.V.B.); (I.I.)
- School of Chemical Engineering, National Technical University of Athens, 15780 Athens, Greece;
| | - Pinelopi P. Falara
- School of Chemical Engineering, National Technical University of Athens, 15780 Athens, Greece;
| | - Islam Ibrahim
- National Center for Scientific Research “Demokritos”, Institute of Nanoscience and Nanotechnology, 15310 Athens, Greece; (G.V.B.); (I.I.)
- Department of Chemistry, Faculty of Science, Al-Azhar University, Cairo 11884, Egypt
| | - Athanassios G. Kontos
- National Center for Scientific Research “Demokritos”, Institute of Nanoscience and Nanotechnology, 15310 Athens, Greece; (G.V.B.); (I.I.)
- Department of Physics, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, 15780 Athens, Greece
- Correspondence:
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Icten O, Erdem Tuncdemir B, Mergen H. Design and Development of Gold-Loaded and Boron-Attached Multicore Manganese Ferrite Nanoparticles as a Potential Agent in Biomedical Applications. ACS OMEGA 2022; 7:20195-20203. [PMID: 35721900 PMCID: PMC9201883 DOI: 10.1021/acsomega.2c02074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Early diagnosis and effective treatment of cancer are significant issues that should be focused on since it is one of the most deadly diseases. Multifunctional nanomaterials can offer new cancer diagnoses and treatment possibilities. These nanomaterials with diverse functions, including targeting, imaging, and therapy, are being studied extensively in a way that minimize overcoming the limitations associated with traditional cancer diagnosis and treatment. Therefore, the goal of this study is to prepare multifunctional nanocomposites possessing the potential to be used simultaneously in imaging such as magnetic resonance imaging (MRI) and dual cancer therapy such as photothermal therapy (PTT) and boron neutron capture therapy (BNCT). In this context, multi-core MnFe2O4 nanoparticles, which can be used as a potential MRI contrast agent and target the desired region in the body via a magnetic field, were successfully synthesized via the solvothermal method. Then, multi-core nanoparticles were coated with polydopamine (PDA) to reduce gold nanoparticles, bind boron on the surface, and ensure the biocompatibility of all materials. Finally, gold nanoparticles were reduced on the surface of PDA-coated MnFe2O4, and boric acid was attached to the hybrid materials for also possessing the ability to be used as a potential agent in PTT and BNCT applications in addition to being an MRI agent. According to the cell viability assay, treatment of the glioblastoma cell line (T98G) with MnFe2O4@PDA-Au-BA for 24 and 48 h did not cause any significant cell death, indicating good biocompatibility. All analysis results showed that the developed MnFe2O4@PDA-Au-BA multifunctional material could be a helpful candidate for biomedical applications such as MRI, PTT, and BNCT.
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Affiliation(s)
- Okan Icten
- Department
of Chemistry, Faculty of Science, Hacettepe
University, Ankara 06800, Turkey
| | - Beril Erdem Tuncdemir
- Department
of Biology, Faculty of Science, Hacettepe
University, Ankara 06800, Turkey
| | - Hatice Mergen
- Department
of Biology, Faculty of Science, Hacettepe
University, Ankara 06800, Turkey
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