1
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Udupi A, Shetty S, Aranjani JM, Kumar R, Bharati S. Anticancer therapeutic potential of multimodal targeting agent- "phosphorylated galactosylated chitosan coated magnetic nanoparticles" against N-nitrosodiethylamine-induced hepatocellular carcinoma. Drug Deliv Transl Res 2024:10.1007/s13346-024-01655-1. [PMID: 38990437 DOI: 10.1007/s13346-024-01655-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2024] [Indexed: 07/12/2024]
Abstract
Superparamagnetic iron oxide nanoparticles (SPIONs) are extensively used as carriers in targeted drug delivery and has several advantages in the field of magnetic hyperthermia, chemodynamic therapy and magnet assisted radionuclide therapy. The characteristics of SPIONs can be tailored to deliver drugs into tumor via "passive targeting" and they can also be coated with tissue-specific agents to enhance tumor uptake via "active targeting". In our earlier studies, we developed HCC specific targeting agent- "phosphorylated galactosylated chitosan"(PGC) for targeting asialoglycoprotein receptors. Considering their encouraging results, in this study we developed a multifunctional targeting system- "phosphorylated galactosylated chitosan-coated magnetic nanoparticles"(PGCMNPs) for targeting HCC. PGCMNPs were synthesized by co-precipitation method and characterized by DLS, XRD, TEM, VSM, elemental analysis and FT-IR spectroscopy. PGCMNPs were evaluated for in vitro antioxidant properties, uptake in HepG2 cells, biodistribution, in vivo toxicity and were also evaluated for anticancer therapeutic potential against NDEA-induced HCC in mice model in terms of tumor status, electrical properties, antioxidant defense status and apoptosis. The characterization studies confirmed successful formation of PGCMNPs with superparamagnetic properties. The internalization studies demonstrated (99-100)% uptake of PGCMNPs in HepG2 cells. These results were also supported by biodistribution studies in which increased iron content (296%) was noted inside the hepatocytes. Further, PGCMNPs exhibited no in vivo toxicity. The anticancer therapeutic potential was evident from observation that PGCMNPs treatment decreased tumor bearing animals (41.6%) and significantly (p ≤ 0.05) lowered tumor multiplicity. Overall, this study indicated that PGCMNPs with improved properties are efficiently taken-up by hepatoma cells and has therapeutic potential against HCC. Further, this agent can be tagged with 32P and hence can offer multimodal cancer treatment options via radiation ablation as well as magnetic hyperthermia.
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Affiliation(s)
- Anushree Udupi
- Department of Nuclear Medicine, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Sachin Shetty
- Department of Nuclear Medicine, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Jesil Mathew Aranjani
- Department of Pharmaceutical Biotechnology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Rajesh Kumar
- Department of Nuclear Medicine, All India Institute of Medical Sciences, Jodhpur, 342005, Rajasthan, India
| | - Sanjay Bharati
- Department of Nuclear Medicine, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India.
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2
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Salazar-Sesatty HA, Montoya-Hinojosa EI, Villarreal-Salazar V, Alvizo-Baez CA, Camacho-Ortiz A, Terrazas-Armendariz LD, Luna-Cruz IE, Alcocer-González JM, Villarreal-Treviño L, Flores-Treviño S. Biofilm Eradication and Inhibition of Methicillin-resistant Staphylococcus Clinical Isolates by Curcumin-Chitosan Magnetic Nanoparticles. Jpn J Infect Dis 2024:JJID.2024.034. [PMID: 38825455 DOI: 10.7883/yoken.jjid.2024.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
Biofilm-producing methicillin-resistant Staphylococcus aureus (MRSA) and coagulase-negative Staphylococci (MR-CoNS) are a clinical challenge for the treatment of healthcare-associated infections. As alternative antimicrobial options are needed, we aimed to determine the effect of curcumin-chitosan magnetic nanoparticles on the biofilm of staphylococcal clinical isolates. MRSA and CoNS clinical isolates were identified by MALDI-TOF mass spectrometry. Antimicrobial susceptibility testing was performed by broth microdilution. Nanoparticles were synthesized by co-precipitation of magnetic nanoparticles (MNP) and encapsulation by ionotropic gelation of curcumin (Cur) and chitosan (Chi). Biofilm inhibition and eradication by nanoparticles with and without the addition of oxacillin was assessed on staphylococcal strains. Cur-Chi-MNP showed antimicrobial activity on planktonic cells of MRSA and MR-CoNS strains and inhibited biofilm of MRSA. The addition of OXA to Cur-Chi-MNP increased biofilm inhibition and eradication activity against all Staphylococci strains (p=0.0007); higher biofilm activity was observed in early biofilm stages. Cur-Chi-MNP showed antimicrobial and biofilm inhibition activity against S. aureus. The addition of OXA increased biofilm inhibition and eradication activity against all Staphylococci strains. A combination treatment of Cur-Chi-MNP and OXA could be potentially used to treat staphylococcal biofilm-associated infections in its early stages before the establishment of biofilm bacterial cells.
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Affiliation(s)
- Humberto Antonio Salazar-Sesatty
- Laboratory of Immunology and Virology, School of Biological Sciences, Autonomous University of Nuevo Leon, Avenida Pedro de Alba, Mexico
| | - Edeer Iván Montoya-Hinojosa
- Departament of Microbiology, School of Biological Sciences, Autonomous University of Nuevo Leon, Avenida Pedro de Alba, Mexico
| | - Verónica Villarreal-Salazar
- Departament of Microbiology, School of Biological Sciences, Autonomous University of Nuevo Leon, Avenida Pedro de Alba, Mexico
| | - Cynthia Aracely Alvizo-Baez
- Laboratory of Immunology and Virology, School of Biological Sciences, Autonomous University of Nuevo Leon, Avenida Pedro de Alba, Mexico
| | - Adrián Camacho-Ortiz
- Department of Infectious Diseases, University Hospital "Dr. José E. González" and School of Medicine, Autonomous University of Nuevo Leon, Avenida Madero S/N esq Avenida Gonzalitos. Mitras Centro, Mexico
| | - Luis Daniel Terrazas-Armendariz
- Laboratory of Immunology and Virology, School of Biological Sciences, Autonomous University of Nuevo Leon, Avenida Pedro de Alba, Mexico
| | - Itza Eloisa Luna-Cruz
- Laboratory of Immunology and Virology, School of Biological Sciences, Autonomous University of Nuevo Leon, Avenida Pedro de Alba, Mexico
| | - Juan Manuel Alcocer-González
- Laboratory of Immunology and Virology, School of Biological Sciences, Autonomous University of Nuevo Leon, Avenida Pedro de Alba, Mexico
| | - Licet Villarreal-Treviño
- Departament of Microbiology, School of Biological Sciences, Autonomous University of Nuevo Leon, Avenida Pedro de Alba, Mexico
| | - Samantha Flores-Treviño
- Department of Infectious Diseases, University Hospital "Dr. José E. González" and School of Medicine, Autonomous University of Nuevo Leon, Avenida Madero S/N esq Avenida Gonzalitos. Mitras Centro, Mexico
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3
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Zhu K, Gispert Contamina I, Ces O, Barter LMC, Hindley JW, Elani Y. Magnetic Modulation of Biochemical Synthesis in Synthetic Cells. J Am Chem Soc 2024; 146:13176-13182. [PMID: 38691505 PMCID: PMC11099998 DOI: 10.1021/jacs.4c00845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 03/19/2024] [Accepted: 04/09/2024] [Indexed: 05/03/2024]
Abstract
Synthetic cells can be constructed from diverse molecular components, without the design constraints associated with modifying 'living' biological systems. This can be exploited to generate cells with abiotic components, creating functionalities absent in biology. One example is magnetic responsiveness, the activation and modulation of encapsulated biochemical processes using a magnetic field, which is absent from existing synthetic cell designs. This is a critical oversight, as magnetic fields are uniquely bio-orthogonal, noninvasive, and highly penetrative. Here, we address this by producing artificial magneto-responsive organelles by coupling thermoresponsive membranes with hyperthermic Fe3O4 nanoparticles and embedding them in synthetic cells. Combining these systems enables synthetic cell microreactors to be built using a nested vesicle architecture, which can respond to alternating magnetic fields through in situ enzymatic catalysis. We also demonstrate the modulation of biochemical reactions by using different magnetic field strengths and the potential to tune the system using different lipid compositions. This platform could unlock a wide range of applications for synthetic cells as programmable micromachines in biomedicine and biotechnology.
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Affiliation(s)
- Karen
K. Zhu
- Department
of Chemistry, Imperial College London, Molecular
Sciences Research Hub, White City, London W12
0BZ, U.K.
- Department
of Chemical Engineering, Imperial College
London, South Kensington, London SW7 2AZ, U.K.
- fabriCELL, Imperial
College London, Molecular Sciences Research
Hub, White City, London W12 0BZ, U.K.
- Institute
of Chemical Biology, Imperial College London,
Molecular Sciences Research Hub, White City, London W12
0BZ, U.K.
| | - Ignacio Gispert Contamina
- Department
of Chemical Engineering, Imperial College
London, South Kensington, London SW7 2AZ, U.K.
- fabriCELL, Imperial
College London, Molecular Sciences Research
Hub, White City, London W12 0BZ, U.K.
| | - Oscar Ces
- Department
of Chemistry, Imperial College London, Molecular
Sciences Research Hub, White City, London W12
0BZ, U.K.
- fabriCELL, Imperial
College London, Molecular Sciences Research
Hub, White City, London W12 0BZ, U.K.
- Institute
of Chemical Biology, Imperial College London,
Molecular Sciences Research Hub, White City, London W12
0BZ, U.K.
| | - Laura M. C. Barter
- Department
of Chemistry, Imperial College London, Molecular
Sciences Research Hub, White City, London W12
0BZ, U.K.
- Institute
of Chemical Biology, Imperial College London,
Molecular Sciences Research Hub, White City, London W12
0BZ, U.K.
| | - James W. Hindley
- Department
of Chemistry, Imperial College London, Molecular
Sciences Research Hub, White City, London W12
0BZ, U.K.
- fabriCELL, Imperial
College London, Molecular Sciences Research
Hub, White City, London W12 0BZ, U.K.
- Institute
of Chemical Biology, Imperial College London,
Molecular Sciences Research Hub, White City, London W12
0BZ, U.K.
| | - Yuval Elani
- Department
of Chemical Engineering, Imperial College
London, South Kensington, London SW7 2AZ, U.K.
- fabriCELL, Imperial
College London, Molecular Sciences Research
Hub, White City, London W12 0BZ, U.K.
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Rhakho N, Saxena M, Pradhan NR, H Jadhav A, Altaee A, Samal AK. Transformative Dynamics: Self-Assembly of Iron Oxide Hydroxide Nanorods into Iron Oxide Microcubes for Enhanced Perfluoroalkyl Substance Remediation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:10184-10194. [PMID: 38699923 DOI: 10.1021/acs.langmuir.4c00472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
We report the controlled synthesis of iron oxide microcubes (IOMCs) through the self-assembly arrays of ferric oxide hydroxide nanorods (NRs). The formation of IOMCs involves a complex interplay of nucleation, self-assembly, and growth mechanisms influenced by time, thermal treatment, and surfactant dynamics. The self-assembly of vertically aligned NRs into IOMCs is controlled by dynamic magnetism properties and capping agents like cetyltrimethylammonium bromide (CTAB), whose concentration and temperature modulation dictate growth kinetics and structural uniformity. These controlled structural growths were obtained via a hydrothermal process at 120 °C at various intervals of 8, 16, 24, and 32 h in the presence of CTAB as the capping agent. In this hydrothermal method, the formation of vertically oriented NR arrays was observed without the presence of ligands, binders, harsh drying techniques, and solvent evaporation. The formation of the self-assembly of NRs to IOMCs is obtained with an increase in saturated magnetization to attain the most stable state. The synthesized IOMCs have a uniform size, quasi-shape, and excellent dispersion. Due to its excellent magnetic and catalytic properties, IOMCs were employed to remove the various emerging pollutants known as per- and polyfluorinated substances (PFAS). Various microscopic and spectroscopic techniques were employed for the characterization and interaction studies of IOMCs with various PFAS. The interaction between IOMCs and perfluoroalkyl substances (PFAS) was investigated, revealing strong adsorption tendencies facilitated by electrostatic interactions, as evidenced by UV-vis and FT-IR spectroscopic studies. Furthermore, the higher magnetic and positive surface charge of IOMCs is responsible for an effective remediation eliminating any secondary pollution with ease of recovery after the sorption interaction studies, thereby making it practically worthwhile.
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Affiliation(s)
- Novuhulu Rhakho
- Centre for Nano and Material Science, JAIN (Deemed-to-be University), Jain Global Campus, Bangalore 562112, India
| | - Manav Saxena
- Centre for Nano and Material Science, JAIN (Deemed-to-be University), Jain Global Campus, Bangalore 562112, India
| | - Nihar R Pradhan
- Department of Chemistry, Physics and Atmospheric Sciences, Jackson State University, 1400 John R. Lynch Street, Jackson, Mississippi 39217, United States
| | - Arvind H Jadhav
- Centre for Nano and Material Science, JAIN (Deemed-to-be University), Jain Global Campus, Bangalore 562112, India
| | - Ali Altaee
- Centre for Green Technology, School of Civil and Environmental Engineering, University of Technology Sydney, 15 Broadway, Sydney, NSW 2007, Australia
| | - Akshaya K Samal
- Centre for Nano and Material Science, JAIN (Deemed-to-be University), Jain Global Campus, Bangalore 562112, India
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5
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Sandhu ZA, Raza MA, Alqurashi A, Sajid S, Ashraf S, Imtiaz K, Aman F, Alessa AH, Shamsi MB, Latif M. Advances in the Optimization of Fe Nanoparticles: Unlocking Antifungal Properties for Biomedical Applications. Pharmaceutics 2024; 16:645. [PMID: 38794307 PMCID: PMC11124843 DOI: 10.3390/pharmaceutics16050645] [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: 03/12/2024] [Revised: 04/25/2024] [Accepted: 05/02/2024] [Indexed: 05/26/2024] Open
Abstract
In recent years, nanotechnology has achieved a remarkable status in shaping the future of biological applications, especially in combating fungal diseases. Owing to excellence in nanotechnology, iron nanoparticles (Fe NPs) have gained enormous attention in recent years. In this review, we have provided a comprehensive overview of Fe NPs covering key synthesis approaches and underlying working principles, the factors that influence their properties, essential characterization techniques, and the optimization of their antifungal potential. In addition, the diverse kinds of Fe NP delivery platforms that command highly effective release, with fewer toxic effects on patients, are of great significance in the medical field. The issues of biocompatibility, toxicity profiles, and applications of optimized Fe NPs in the field of biomedicine have also been described because these are the most significant factors determining their inclusion in clinical use. Besides this, the difficulties and regulations that exist in the transition from laboratory to experimental clinical studies (toxicity, specific standards, and safety concerns) of Fe NPs-based antifungal agents have been also summarized.
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Affiliation(s)
- Zeshan Ali Sandhu
- Department of Chemistry, Faculty of Science, Hafiz Hayat Campus, University of Gujrat, Gujrat 50700, Pakistan; (Z.A.S.); (S.A.); (K.I.)
| | - Muhammad Asam Raza
- Department of Chemistry, Faculty of Science, Hafiz Hayat Campus, University of Gujrat, Gujrat 50700, Pakistan; (Z.A.S.); (S.A.); (K.I.)
| | - Abdulmajeed Alqurashi
- Department of Biology, College of Science, Taibah University, Madinah 42353, Saudi Arabia;
| | - Samavia Sajid
- Department of Chemistry, Faculty of Science, University of Engineering and Technology, Lahore 54890, Pakistan;
| | - Sufyan Ashraf
- Department of Chemistry, Faculty of Science, Hafiz Hayat Campus, University of Gujrat, Gujrat 50700, Pakistan; (Z.A.S.); (S.A.); (K.I.)
| | - Kainat Imtiaz
- Department of Chemistry, Faculty of Science, Hafiz Hayat Campus, University of Gujrat, Gujrat 50700, Pakistan; (Z.A.S.); (S.A.); (K.I.)
| | - Farhana Aman
- Department of Chemistry, The University of Lahore, Sargodha Campus, Sargodha 40100, Pakistan;
| | - Abdulrahman H. Alessa
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | - Monis Bilal Shamsi
- Centre for Genetics and Inherited Diseases (CGID), Taibah University, Madinah 42353, Saudi Arabia;
- Department Basic Medical Sciences, College of Medicine, Taibah University, Madinah 42353, Saudi Arabia
| | - Muhammad Latif
- Centre for Genetics and Inherited Diseases (CGID), Taibah University, Madinah 42353, Saudi Arabia;
- Department Basic Medical Sciences, College of Medicine, Taibah University, Madinah 42353, Saudi Arabia
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6
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Jjagwe J, Olupot PW, Kulabako R, Carrara S. Electrochemical sensors modified with iron oxide nanoparticles/nanocomposites for voltammetric detection of Pb (II) in water: A review. Heliyon 2024; 10:e29743. [PMID: 38665564 PMCID: PMC11044046 DOI: 10.1016/j.heliyon.2024.e29743] [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: 01/09/2024] [Revised: 04/15/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Permissible limits of Pb2+ in drinking water are being reduced from 10 μgL-1 to 5 μgL-1, which calls for rapid, and highly reliable detection techniques. Electrochemical sensors have garnered attention in detection of heavy metal ions in environmental samples due to their ease of operation, low cost, and rapid detection responses. Selectivity, sensitivity and detection capabilities of these sensors, can be enhanced by modifying their working electrodes (WEs) with iron oxide nanoparticles (IONPs) and/or their composites. Therefore, this review is an in-depth analysis of the deployment of IONPs/nanocomposites in modification of electrochemical sensors for detection of Pb2+ in drinking water over the past decade. From the analyzed studies (n = 23), the optimal solution pH, deposition potential, and deposition time ranged between 3 and 5.6, -0.7 to -1.4 V vs Ag/AgCl, and 100-400 s, respectively. Majority of the studies employed square wave anodic stripping voltammetry (n = 16), in 0.1 M acetate buffer solution (n = 19) for detection of Pb2+. Limits of detection obtained (2.5 x 10-9 - 4.5 μg/L) were below the permissible levels which indicated good sensitivities of the modified electrodes. Despite the great performance of these modified electrodes, the primary source of IONPs has always been commercial iron-based salts in addition to the use of so many materials as modifying agents of these IONPs. This may limit reproducibility and sustainability of the WEs due to lengthy and costly preparation protocols. Steel and/or iron industrial wastes can be alternatively employed in generation of IONPs for modification of electrochemical sensors. Additionally, biomass-based activated carbons enriched with surface functional groups are also used in modification of bare IONPs, and subsequently bare electrodes. However, these two areas still need to be fully explored.
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Affiliation(s)
- Joseph Jjagwe
- Department of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Peter Wilberforce Olupot
- Department of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Robinah Kulabako
- Department of Civil and Environmental Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Sandro Carrara
- Bio/CMOS Interfaces Laboratory, School of Engineering, Institute of Microengineering, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland
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7
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Tatarchuk T, Shyichuk A, Danyliuk N, Lapchuk I, Macyk W. Water disinfection using hydrogen peroxide with fixed bed hematite catalyst - kinetic and activity studies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:26592-26605. [PMID: 38451458 DOI: 10.1007/s11356-024-32794-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/02/2024] [Indexed: 03/08/2024]
Abstract
A lab-scale reactor with a fixed-bed hematite catalyst for the effective decomposition of H2O2 and bacteria inactivation was designed. The bactericidal effect is the largest at a low initial bacterial count of 2·103 CFU/L, which is typical for natural surface waters. When using a 5 mM H2O2 solution and a residence time of 104 min, the reduction in the number of E. coli bacteria is about 3.5-log. At a higher initial bacterial count of 1-2·104 CFU/L, a 5 mM H2O2 solution reduces the bacteria number by about 4-log. The H2O2 decomposition follows the log-linear kinetics of a first-order reaction while the bacterial inactivation does not. The kinetics of bacterial inactivation was described using the Weibull model in the modified form: log10(N0/N) = b · tn. The values of the non-linearity parameter n were found to be lower than 1, indicating that bacterial inactivation slows down over time. With increasing initial H2O2 concentration, the rate parameter b increases while the non-linearity parameter n decreases. With increasing temperature, both parameters increase. The stability of the catalyst has been proved by XRD, FTIR, SEM, and ICP-OES. The concentration of iron leaching into water during disinfection is much lower than the limit declared by WHO for iron in drinking water. The results show that technical-grade hematite is a promising Fenton-like catalyst for water disinfection. The fixed-bed reactor can be the basis of the mobile installations for water purification in emergencies.
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Affiliation(s)
- Tetiana Tatarchuk
- Educational and Scientific Center of Materials Science and Nanotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, 76-018, Ukraine.
- Faculty of Chemistry, Jagiellonian University, 30-387, Kraków, Poland.
| | - Alexander Shyichuk
- Department of Chemistry, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, 76-018, Ukraine
- Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, 85-326, Bydgoszcz, Poland
| | - Nazarii Danyliuk
- Educational and Scientific Center of Materials Science and Nanotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, 76-018, Ukraine
| | - Ivanna Lapchuk
- Educational and Scientific Center of Materials Science and Nanotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, 76-018, Ukraine
| | - Wojciech Macyk
- Faculty of Chemistry, Jagiellonian University, 30-387, Kraków, Poland
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8
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Zhou Q, Lei P, Cheng S, Wang H, Dong W, Pan X. Recent progress in magnetic polydopamine composites for pollutant removal in wastewater treatment. Int J Biol Macromol 2024; 262:130023. [PMID: 38340929 DOI: 10.1016/j.ijbiomac.2024.130023] [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: 11/10/2023] [Revised: 01/08/2024] [Accepted: 02/05/2024] [Indexed: 02/12/2024]
Abstract
Various water pollution issues pose a significant threat to human water safety. Magnetic polydopamine composites (MPCs), which can be separated by magnetic fields after the adsorption process, exhibit outstanding adsorption capacity and heterogeneous catalytic properties, making them promising materials for water treatment applications. In particular, by modifying the polydopamine (PDA) coating, MPCs can acquire enhanced high reactivity, antibacterial properties, and biocompatibility. This also provides an attractive platform for further fabrication of hybrid materials with specific adsorption, catalytic, antibacterial, and water-oil separation capabilities. To systematically provide the background knowledge and recent research advances in MPCs, this paper presents a critical review of MPCs for water treatment in terms of both structure and mechanisms of effect in applications. Firstly, the impact of different PDA positions within the composite structure is investigated to summarize the optimization of properties contributed by PDA when acting as the shell, core, or bridge. The roles of various secondary modifications of magnetic materials by PDA in addressing water pollution problems are explored. It is anticipated that this work will be a stimulus for further research and development of magnetic composite materials with real-world application potential.
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Affiliation(s)
- Qinglin Zhou
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Pengli Lei
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Siyao Cheng
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Hao Wang
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Wei Dong
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China.
| | - Xihao Pan
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China; Zhejiang University-University of Edinburgh Institute, Zhejiang University, Hangzhou 310000, Zhejiang, China.
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9
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Flieger J, Pasieczna-Patkowska S, Żuk N, Panek R, Korona-Głowniak I, Suśniak K, Pizoń M, Franus W. Characteristics and Antimicrobial Activities of Iron Oxide Nanoparticles Obtained via Mixed-Mode Chemical/Biogenic Synthesis Using Spent Hop ( Humulus lupulus L.) Extracts. Antibiotics (Basel) 2024; 13:111. [PMID: 38391497 PMCID: PMC10886061 DOI: 10.3390/antibiotics13020111] [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: 12/23/2023] [Revised: 01/19/2024] [Accepted: 01/22/2024] [Indexed: 02/24/2024] Open
Abstract
Iron oxide nanoparticles (IONPs) have many practical applications, ranging from environmental protection to biomedicine. IONPs are being investigated due to their high potential for antimicrobial activity and lack of toxicity to humans. However, the biological activity of IONPs is not uniform and depends on the synthesis conditions, which affect the shape, size and surface modification. The aim of this work is to synthesise IONPs using a mixed method, i.e., chemical co-precipitation combined with biogenic surface modification, using extracts from spent hops (Humulus lupulus L.) obtained as waste product from supercritical carbon dioxide hop extraction. Different extracts (water, dimethyl sulfoxide (DMSO), 80% ethanol, acetone, water) were further evaluated for antioxidant activity based on the silver nanoparticle antioxidant capacity (SNPAC), total phenolic content (TPC) and total flavonoid content (TFC). The IONPs were characterised via UV-vis spectroscopy, scanning electron microscopy (SEM), energy-dispersive spectrometry (EDS) and Fourier-transform infrared (FT-IR) spectroscopy. Spent hop extracts showed a high number of flavonoid compounds. The efficiency of the solvents used for the extraction can be classified as follows: DMSO > 80% ethanol > acetone > water. FT-IR/ATR spectra revealed the involvement of flavonoids such as xanthohumol and/or isoxanthohumol, bitter acids (i.e., humulones, lupulones) and proteins in the surface modification of the IONPs. SEM images showed a granular, spherical structure of the IONPs with diameters ranging from 81.16 to 142.5 nm. Surface modification with extracts generally weakened the activity of the IONPs against the tested Gram-positive and Gram-negative bacteria and yeasts by half. Only the modification of IONPs with DMSO extract improved their antibacterial properties against Gram-positive bacteria (Staphylococcus epidermidis, Staphylococcus aureus, Micrococcus luteus, Enterococcus faecalis, Bacillus cereus) from a MIC value of 2.5-10 mg/mL to 0.313-1.25 mg/mL.
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Affiliation(s)
- Jolanta Flieger
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland
| | - Sylwia Pasieczna-Patkowska
- Faculty of Chemistry, Department of Chemical Technology, Maria Curie Skłodowska University, Pl. Maria Curie-Skłodowskiej 3, 20-031 Lublin, Poland
| | - Natalia Żuk
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland
| | - Rafał Panek
- Department of Geotechnics, Civil Engineering and Architecture Faculty, Lublin University of Technology, Nadbystrzycka 40, 20-618 Lublin, Poland
| | - Izabela Korona-Głowniak
- Department of Pharmaceutical Microbiology, Medical University of Lublin, Chodźki 1 St., 20-093 Lublin, Poland
| | - Katarzyna Suśniak
- Department of Pharmaceutical Microbiology, Medical University of Lublin, Chodźki 1 St., 20-093 Lublin, Poland
| | - Magdalena Pizoń
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland
| | - Wojciech Franus
- Department of Geotechnics, Civil Engineering and Architecture Faculty, Lublin University of Technology, Nadbystrzycka 40, 20-618 Lublin, Poland
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Pipatwatcharadate C, Iyer PR, Pissuwan D. Recent Update Roles of Magnetic Nanoparticles in Circulating Tumor Cell (CTC)/Non-CTC Separation. Pharmaceutics 2023; 15:2482. [PMID: 37896242 PMCID: PMC10610106 DOI: 10.3390/pharmaceutics15102482] [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: 09/12/2023] [Revised: 10/04/2023] [Accepted: 10/09/2023] [Indexed: 10/29/2023] Open
Abstract
Metastasis of cancer is a major cause of death worldwide. Circulating tumor cells (CTCs) are important in the metastatic process of cancer. CTCs are able to circulate in the bloodstream. Therefore, they can be used as biomarkers of metastasis. However, CTCs are rare when compared to a large number of blood cells in the blood. Many CTC detection methods have been developed to increase CTC detection efficiency. Magnetic nanoparticles (MNPs) have attracted immense attention owing to their potential medical applications. They are particularly appealing as a tool for cell separation. Because of their unique properties, MNPs are of considerable interest for the enrichment of CTCs through CTC or non-CTC separation. Herein, we review recent developments in the application of MNPs to separate CTCs or non-CTCs in samples containing CTCs. This review provides information on new approaches that can be used to detect CTCs in blood samples. The combination of MNPs with other particles for magnetic-based cell separation for CTC detection is discussed. Furthermore, different approaches for synthesizing MNPs are included in this review.
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Affiliation(s)
- Chawapon Pipatwatcharadate
- Nanobiotechnology and Nanobiomaterials Research (N-BMR) Laboratory, School of Materials Science and Innovation, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; (C.P.); (P.R.I.)
| | - Poornima Ramesh Iyer
- Nanobiotechnology and Nanobiomaterials Research (N-BMR) Laboratory, School of Materials Science and Innovation, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; (C.P.); (P.R.I.)
- Materials Science and Engineering Program, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
| | - Dakrong Pissuwan
- Nanobiotechnology and Nanobiomaterials Research (N-BMR) Laboratory, School of Materials Science and Innovation, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; (C.P.); (P.R.I.)
- Materials Science and Engineering Program, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
- Center of Excellence on Medical Biotechnology (CEMB), Faculty of Science, Mahidol University, Bangkok 10400, Thailand
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11
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Ogbezode JE, Ezealigo US, Bello A, Anye VC, Onwualu AP. A narrative review of the synthesis, characterization, and applications of iron oxide nanoparticles. DISCOVER NANO 2023; 18:125. [PMID: 37815643 PMCID: PMC10564704 DOI: 10.1186/s11671-023-03898-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 09/11/2023] [Indexed: 10/11/2023]
Abstract
The significance of green synthesized nanomaterials with a uniform shape, reduced sizes, superior mechanical capabilities, phase microstructure, magnetic behavior, and superior performance cannot be overemphasized. Iron oxide nanoparticles (IONPs) are found within the size range of 1-100 nm in nanomaterials and have a diverse range of applications in fields such as biomedicine, wastewater purification, and environmental remediation. Nevertheless, the understanding of their fundamental material composition, chemical reactions, toxicological properties, and research methodologies is constrained and extensively elucidated during their practical implementation. The importance of producing IONPs using advanced nanofabrication techniques that exhibit strong potential for disease therapy, microbial pathogen control, and elimination of cancer cells is underscored by the adoption of the green synthesis approach. These IONPs can serve as viable alternatives for soil remediation and the elimination of environmental contaminants. Therefore, this paper presents a comprehensive analysis of the research conducted on different types of IONPs and IONP composite-based materials. It examines the synthesis methods and characterization techniques employed in these studies and also addresses the obstacles encountered in prior investigations with comparable objectives. A green engineering strategy was proposed for the synthesis, characterization, and application of IONPs and their composites with reduced environmental impact. Additionally, the influence of their phase structure, magnetic properties, biocompatibility, toxicity, milling time, nanoparticle size, and shape was also discussed. The study proposes the use of biological and physicochemical methods as a more viable alternative nanofabrication strategy that can mitigate the limitations imposed by the conventional methods of IONP synthesis.
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Affiliation(s)
- Joseph Ekhebume Ogbezode
- Department of Materials Science and Engineering, African University of Science and Technology, Abuja, Nigeria.
- Department of Mechanical Engineering, Edo State University Uzairue, Uzairue, Edo State, Nigeria.
| | - Ucheckukwu Stella Ezealigo
- Department of Materials Science and Engineering, African University of Science and Technology, Abuja, Nigeria
| | - Abdulhakeem Bello
- Department of Materials Science and Engineering, African University of Science and Technology, Abuja, Nigeria.
- Centre for Cyber-Physical Food, Energy and Water System (CCP-FEWS), Electrical and Electronic Engineering Science, University of Johannesburg, Johannesburg, South Africa.
- Department of Theoretical and Applied Physics, African University of Science and Technology, Abuja, Nigeria.
| | - Vitalis Chioh Anye
- Department of Materials Science and Engineering, African University of Science and Technology, Abuja, Nigeria
| | - Azikiwe Peter Onwualu
- Department of Materials Science and Engineering, African University of Science and Technology, Abuja, Nigeria
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12
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Tsilo PH, Basson AK, Ntombela ZG, Dlamini NG, Pullabhotla RVSR. Application of Iron Nanoparticles Synthesized from a Bioflocculant Produced by Yeast Strain Pichia kudriavzevii Obtained from Kombucha Tea SCOBY in the Treatment of Wastewater. Int J Mol Sci 2023; 24:14731. [PMID: 37834177 PMCID: PMC10572716 DOI: 10.3390/ijms241914731] [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: 08/28/2023] [Revised: 09/20/2023] [Accepted: 09/23/2023] [Indexed: 10/15/2023] Open
Abstract
Studying the production of Iron (Fe) nanoparticles using natural substances is an intriguing area of research in nanotechnology, as these nanoparticles possess biocompatibility and natural stability, which make them useful for a variety of industrial applications. The study utilized Fe nanoparticles that were synthesized using a bioflocculant and applied to eliminate different kinds of pollutants and dyes found in wastewater and solutions. The study involved the generation of Fe nanoparticles through a bioflocculant obtained from Pichia kudriavzevii, which were evaluated for their flocculation and antimicrobial capabilities. The impact of the Fe nanoparticles on human embryonic kidney (HEK 293) cell lines was studied to assess their potential cytotoxicity effects. An array of spectroscopic and microscopic methods was employed to characterize the biosynthesized Fe nanoparticles, including SEM-EDX, FT-IR, TEM, XRD, UV-vis, and TGA. A highly efficient flocculating activity of 85% was achieved with 0.6 mg/mL dosage of Fe nanoparticles. The biosynthesized Fe nanoparticles demonstrated a noteworthy concentration-dependent cytotoxicity effect on HEK 293 cell lines with the highest concentration used resulting in 34% cell survival. The Fe nanoparticles exhibited strong antimicrobial properties against a variety of evaluated Gram-positive and Gram-negative microorganisms. The efficiency of removing dyes by the nanoparticles was found to be higher than 65% for the tested dyes, with the highest being 93% for safranine. The Fe nanoparticles demonstrated remarkable efficiency in removing various pollutants from wastewater. In comparison to traditional flocculants and the bioflocculant, biosynthesized Fe nanoparticles possess significant potential for eliminating both biological oxygen demand (BOD) and chemical oxygen demand (COD) from wastewater samples treated. Hence, the Fe nanoparticles synthesized in this way have the potential to substitute chemical flocculants in the treatment of wastewater.
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Affiliation(s)
- Phakamani H. Tsilo
- Department of Biochemistry and Microbiology, Faculty of Science, Agriculture, and Engineering, University of Zululand, Private Bag X1001, Kwadlangezwa 3886, South Africa; (P.H.T.); (A.K.B.); (Z.G.N.); (N.G.D.)
| | - Albertus K. Basson
- Department of Biochemistry and Microbiology, Faculty of Science, Agriculture, and Engineering, University of Zululand, Private Bag X1001, Kwadlangezwa 3886, South Africa; (P.H.T.); (A.K.B.); (Z.G.N.); (N.G.D.)
| | - Zuzingcebo G. Ntombela
- Department of Biochemistry and Microbiology, Faculty of Science, Agriculture, and Engineering, University of Zululand, Private Bag X1001, Kwadlangezwa 3886, South Africa; (P.H.T.); (A.K.B.); (Z.G.N.); (N.G.D.)
| | - Nkosinathi G. Dlamini
- Department of Biochemistry and Microbiology, Faculty of Science, Agriculture, and Engineering, University of Zululand, Private Bag X1001, Kwadlangezwa 3886, South Africa; (P.H.T.); (A.K.B.); (Z.G.N.); (N.G.D.)
| | - Rajasekhar V. S. R. Pullabhotla
- Department of Chemistry, Faculty Science, Agriculture, and Engineering, University of Zululand, Private Bag X1001, Kwadlangezwa 3886, South Africa
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Tao T, Li Z, Xu S, Rehman SU, Chen R, Xu H, Xia H, Zhang J, Zhao H, Wang J, Ma K. Boosting SARS-CoV-2 Enrichment with Ultrasmall Immunomagnetic Beads Featuring Superior Magnetic Moment. Anal Chem 2023; 95:11542-11549. [PMID: 37485962 DOI: 10.1021/acs.analchem.3c02257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
The isolation and enrichment efficiency of SARS-CoV-2 virus in complex biological environments is often relatively low, presenting challenges in direct detection and an increased risk of false negatives, particularly during the early stages of infection. To address this issue, we have developed a novel approach using ultrasmall magnetosome-like nanoparticles (≤10 nm) synthesized via biomimetic mineralization of the Mms6 protein derived from magnetotactic bacteria. These nanoparticles are surface-functionalized with hydrophilic carboxylated polyethylene glycol (mPEG2000-COOH) to enhance water solubility and monodispersity. Subsequently, they are coupled with antibodies targeting the receptor-binding domain (RBD) of the virus. The resulting magnetosome-like immunomagnetic beads (Mal-IMBs) exhibit high magnetic responsiveness comparable to commercial magnetic beads, with a saturation magnetization of 90.6 emu/g. Moreover, their smaller particle size provides a significant advantage by offering a higher specific surface area, allowing for a greater number of RBD single-chain fragment variable (RBD-scFv) antibodies to be coupled, thereby enhancing immune capture ability and efficiency. To validate the practicality of Mal-IMBs, we evaluated their performance in recognizing the RBD antigens, achieving a maximum capture ability of 83 μg/mg per unit mass. Furthermore, we demonstrated the binding capability of Mal-IMBs to SARS-CoV-2 pseudovirus using fluorescence microscopy. The Mal-IMBs effectively enriched the pseudovirus at a low copy concentration of 70 copies/mL. Overall, the small Mal-IMB exhibited excellent magnetic responsiveness and binding efficiency. By employing a multisite virus binding mechanism, it significantly improves the enrichment and separation of SARS-CoV-2 in complex environments, facilitating rapid detection of COVID-19 and contributing to effective measures against its spread.
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Affiliation(s)
- Tongxiang Tao
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
- University of Science and Technology of China, Hefei 230036, Anhui, P. R. China
| | - Zehua Li
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
- University of Science and Technology of China, Hefei 230036, Anhui, P. R. China
| | - Shuai Xu
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
| | - Sajid Ur Rehman
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
| | - Ruiguo Chen
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
| | - Huangtao Xu
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
| | - Haining Xia
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
| | - Jing Zhang
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
| | - Hongxin Zhao
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
| | - Junfeng Wang
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
- University of Science and Technology of China, Hefei 230036, Anhui, P. R. China
- Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601, Anhui, P. R. China
| | - Kun Ma
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, P. R. China
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14
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Montoya-Hinojosa EI, Salazar-Sesatty HA, Alvizo-Baez CA, Terrazas-Armendariz LD, Luna-Cruz IE, Alcocer-González JM, Villarreal-Treviño L, Flores-Treviño S. Antibiofilm and antimicrobial activity of curcumin-chitosan nanocomplexes and trimethoprim-sulfamethoxazole on Achromobacter, Burkholderia, and Stenotrophomonas isolates. Expert Rev Anti Infect Ther 2023; 21:213-223. [PMID: 36625029 DOI: 10.1080/14787210.2023.2166933] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Non-fermenting Gram-negative Achromobacter xylosoxidans, Burkholderia cepacia complex, and Stenotrophomonas maltophilia species cause healthcare-associated infections, often showing resistance to first-line drugs such as trimethoprim-sulfamethoxazole (TMP-SXT). The aim of this study was to determine the effect of curcumin-chitosan nanocomplexes on biofilm-producing clinical isolates of non-fermenting Gram-negative bacilli. METHODS A. xylosoxidans, B. cepacia complex, and S. maltophilia clinical isolates were identified by MALDI-TOF mass spectrometry. Antimicrobial susceptibility was determined by broth microdilution. Curcumin (Cur), chitosan (Chi), and sodium tripolyphosphate (TPP) were encapsulated by ionotropic gelation in magnetic nanoparticles (MNP) and were assessed by scanning electron microscopy (SEM) and Fourier-transform infrared (FTIR). Biofilm inhibition and eradication by Cur-Chi-TPP-MNP with TMP-SXT was assessed. RESULTS Cur-Chi-TPP-MNP in combination with TMP-SXT showed biofilm inhibition activity in A. xylosoxidans (37.5 µg/mL), B. cepacia (18.75 µg/mL), and S. maltophilia (4.69-18.75 µg/mL) and low biofilm eradication activity in all three strains (150 - 300 µg/mL). CONCLUSIONS Cur-Chi-TPP-MNP in combination with TMP-SXT was able to inhibit biofilm and in lower effect to eradicate established biofilms of clinical isolates of A. xylosoxidans, B. cepacia complex, and S. maltophilia species. Our results highlight the need to assess these potential treatment options to be used clinically in biofilm-associated infections.
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Affiliation(s)
- Edeer Iván Montoya-Hinojosa
- Department of Microbiology, School of Biological Sciences, Autonomous University of Nuevo Leon, San Nicolás de los Garza, Mexico
| | - Humberto Antonio Salazar-Sesatty
- Department of Immunology and Virology, School of Biological Sciences, Autonomous University of Nuevo Leon, San Nicolás de los Garza, Mexico
| | - Cynthia A Alvizo-Baez
- Department of Immunology and Virology, School of Biological Sciences, Autonomous University of Nuevo Leon, San Nicolás de los Garza, Mexico
| | - Luis D Terrazas-Armendariz
- Department of Immunology and Virology, School of Biological Sciences, Autonomous University of Nuevo Leon, San Nicolás de los Garza, Mexico
| | - Itza E Luna-Cruz
- Department of Immunology and Virology, School of Biological Sciences, Autonomous University of Nuevo Leon, San Nicolás de los Garza, Mexico
| | - Juan M Alcocer-González
- Department of Immunology and Virology, School of Biological Sciences, Autonomous University of Nuevo Leon, San Nicolás de los Garza, Mexico
| | - Licet Villarreal-Treviño
- Department of Microbiology, School of Biological Sciences, Autonomous University of Nuevo Leon, San Nicolás de los Garza, Mexico
| | - Samantha Flores-Treviño
- Department of Infectious Diseases, University Hospital "Dr. José E. González" and School of Medicine, Autonomous University of Nuevo Leon, Monterrey, Mexico
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15
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Farsani AM, Rahimi F, Taebnia N, Salimi M, Arpanaei A. Tailored design and preparation of magnetic nanocomposite particles for the isolation of exosomes. NANOTECHNOLOGY 2023; 34:155603. [PMID: 36638529 DOI: 10.1088/1361-6528/acb2d2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
Here, we prepared a magnetic nanocomposite system composed of a cluster of magnetite nanoparticles coated with silica shell (MSNPs) with an average diameter of 140 ± 20 nm and conjugated with CD9 antibody (AntiCD9) using different strategies including adsorption or chemical conjugation of antibody molecules to either aminated MSNPs (AMSNPs) or carboxylated MSNPs (CMSNPs). Then, MSNPs were employed to isolate exosomes from ultracentrifuge-enriched solution, PC3 cell-culture medium, or exosome-spiked simulated plasma samples. Quantitative tests using nanoparticle-tracking analysis confirmed antibody-covalently conjugated MSNPs, i.e. the AntiCD9-AMSNPs and AntiCD9-CMSNPs enabled >90% recovery of exosomes. Additionally, the exosomes isolated with AntiCD9-CMSNPs showed higher recovery efficiency compared to the AntiCD9-AMSNPs. For both nanoadsorbents, lower protein impurities amounts were obtained as compared to that of exosomes isolated by ultracentrifugation and Exocib kit. The mean diameter assessment of the isolated exosomes indicates that particles isolated by using AntiCD9-AMSNPs and AntiCD9-CMSNPs have smaller sizes (136 ± 2.64 nm and 113 ± 11.53 nm, respectively) than those obtained by UC-enriched exosomes (140.9 ± 1.6 nm) and Exocib kit (167 ± 10.53 nm). Such promising results obtained in the isolation of exosomes recommend magnetic nanocomposite as an efficient tool for the simple and fast isolation of exosomes for diagnosis applications.
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Affiliation(s)
- Arezoo Mohammadian Farsani
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), PO Box: 14965/161, Tehran, Iran
| | - Fatemeh Rahimi
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), PO Box: 14965/161, Tehran, Iran
| | - Nayere Taebnia
- Department of Physiology and Pharmacology, Karolinska Institute, SE171 77 Stockholm, Sweden
| | - Mahdieh Salimi
- Department of Medical Genetics, Institute of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), PO Box: 14965/161, Tehran, Iran
| | - Ayyoob Arpanaei
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), PO Box: 14965/161, Tehran, Iran
- Scion, Private Bag 3020, Rotorua 3046, New Zealand
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16
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Masuku M, Ouma L, Sanni S, Pholosi A. Optimization studies of BTX removal by magnetite coated oleic acid obtained from microwave-assisted synthesis using response surface methodology. Sci Rep 2022; 12:18609. [PMID: 36329092 PMCID: PMC9633638 DOI: 10.1038/s41598-022-22716-w] [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: 04/21/2022] [Accepted: 10/18/2022] [Indexed: 11/06/2022] Open
Abstract
Benzene, toluene and xylene (BTX) are volatile organic compounds released into the environment, that require urgent removal to avoid adverse health effects. In this work, the modelling and optimization of the preparation factors for magnetite coated oleic acid (MNP-OA) composite from microwave synthesis using response surface methodology were conducted to maximize BTX removal, and iron content. The influence of five crucial preparation variables: the Fe3+/Fe2+ solution volumes, microwave power, volume of ammonia water (VAW), reaction time and volume of oleic acid (VOA) on the iron content (% Fe), and BTX adsorption capacity were investigated. The analysis of variance results revealed that VOA and VAW were the most influential factors for high % Fe content, and improved BTX removal. The % Fe, and BTX adsorption capacity for MNP-OA composite at optimized experimental conditions were estimated to be 85.57%, 90.02 mg/g (benzene), 90.07 mg/g (toluene), and 96.31 mg/g (xylene).
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Affiliation(s)
- Makhosazana Masuku
- grid.442351.50000 0001 2150 8805Biosorption and Water Treatment Research Laboratory, Vaal University of Technology, Private Bag X021, Vanderbijlpark, 1900 South Africa
| | - Linda Ouma
- grid.494616.80000 0004 4669 2655Department of Science, Technology and Engineering, Kibabii University, P. O. Box 1699, Bungoma, 50200 Kenya
| | - Saheed Sanni
- grid.442351.50000 0001 2150 8805Biosorption and Water Treatment Research Laboratory, Vaal University of Technology, Private Bag X021, Vanderbijlpark, 1900 South Africa
| | - Agnes Pholosi
- grid.442351.50000 0001 2150 8805Biosorption and Water Treatment Research Laboratory, Vaal University of Technology, Private Bag X021, Vanderbijlpark, 1900 South Africa
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17
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Emerging trends in the nanomedicine applications of functionalized magnetic nanoparticles as novel therapies for acute and chronic diseases. J Nanobiotechnology 2022; 20:393. [PMID: 36045375 PMCID: PMC9428876 DOI: 10.1186/s12951-022-01595-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 08/13/2022] [Indexed: 11/10/2022] Open
Abstract
High-quality point-of-care is critical for timely decision of disease diagnosis and healthcare management. In this regard, biosensors have revolutionized the field of rapid testing and screening, however, are confounded by several technical challenges including material cost, half-life, stability, site-specific targeting, analytes specificity, and detection sensitivity that affect the overall diagnostic potential and therapeutic profile. Despite their advances in point-of-care testing, very few classical biosensors have proven effective and commercially viable in situations of healthcare emergency including the recent COVID-19 pandemic. To overcome these challenges functionalized magnetic nanoparticles (MNPs) have emerged as key players in advancing the biomedical and healthcare sector with promising applications during the ongoing healthcare crises. This critical review focus on understanding recent developments in theranostic applications of functionalized magnetic nanoparticles (MNPs). Given the profound global economic and health burden, we discuss the therapeutic impact of functionalized MNPs in acute and chronic diseases like small RNA therapeutics, vascular diseases, neurological disorders, and cancer, as well as for COVID-19 testing. Lastly, we culminate with a futuristic perspective on the scope of this field and provide an insight into the emerging opportunities whose impact is anticipated to disrupt the healthcare industry.
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18
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Alves Feitosa K, de Oliveira Correia R, Maragno Fattori AC, Albuquerque YR, Brassolatti P, Flores Luna G, de Almeida Rodolpho JM, T Nogueira C, Cancino Bernardi J, Speglich C, de Freitas Anibal F. Toxicological effects of the mixed iron oxide nanoparticle (Fe 3O 4 NP) on murine fibroblasts LA-9. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2022; 85:649-670. [PMID: 35469539 DOI: 10.1080/15287394.2022.2068711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The increase in large-scale production of magnetic nanoparticles (NP) associated with the incomplete comprehensive knowledge regarding the potential risks of their use on environmental and human health makes it necessary to study the biological effects of these particles on organisms at the cellular level. The aim of this study to examine the cellular effects on fibroblast lineage LA-9 after exposure to mixed iron oxide NP (Fe3O4 NP). The following analyses were performed: field emission gun-scanning electron microscopy (SEM-FEG), dynamic light scattering (DLS), zeta potential, ultraviolet/visible region spectroscopy (UV/VIS), and attenuated total reactance-Fourier transform infrared (ATR-FTIR) spectroscopy analyses for characterization of the NP. The assays included cell viability, morphology, clonogenic potential, oxidative stress as measurement of reactive oxygen species (ROS) and nitric oxide (NO) levels, cytokines quantification interleukin 6 (IL-6) and tumor necrosis factor (TNF), NP uptake, and cell death. The size of Fe3O4 NP was 26.3 nm when evaluated in water through DLS. Fe3O4 NP did not reduce fibroblast cell viability until the highest concentration tested (250 µg/ml), which showed a decrease in clonogenic potential as well as small morphological changes after exposure for 48 and 72 hr. The NP concentration of 250 µg/ml induced enhanced ROS and NO production after 24 hr treatment. The uptake assay exhibited time-dependent Fe3O4 NP internalization at all concentrations tested with no significant cell death. Hence, exposure of fibroblasts to Fe3O4 NP-induced oxidative stress but not reduced cell viability or death. However, the decrease in the clonogenic potential at the highest concentration demonstrates cytotoxic effects attributed to Fe3O4 NP which occurred on the 7th day after exposure.
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Affiliation(s)
- Karina Alves Feitosa
- Department of Morphology and Pathology, Inflammation and Infectious Diseases Laboratory, Federal University of São Carlos, São Carlos, Brazil
| | - Ricardo de Oliveira Correia
- Department of Morphology and Pathology, Inflammation and Infectious Diseases Laboratory, Federal University of São Carlos, São Carlos, Brazil
| | - Ana Carolina Maragno Fattori
- Department of Morphology and Pathology, Inflammation and Infectious Diseases Laboratory, Federal University of São Carlos, São Carlos, Brazil
| | - Yulli Roxenne Albuquerque
- Department of Morphology and Pathology, Inflammation and Infectious Diseases Laboratory, Federal University of São Carlos, São Carlos, Brazil
| | - Patricia Brassolatti
- Department of Morphology and Pathology, Inflammation and Infectious Diseases Laboratory, Federal University of São Carlos, São Carlos, Brazil
| | - Genoveva Flores Luna
- Department of Morphology and Pathology, Inflammation and Infectious Diseases Laboratory, Federal University of São Carlos, São Carlos, Brazil
| | - Joice Margareth de Almeida Rodolpho
- Department of Morphology and Pathology, Inflammation and Infectious Diseases Laboratory, Federal University of São Carlos, São Carlos, Brazil
| | | | - Juliana Cancino Bernardi
- Nanomedicine and Nanotoxicology Group, Physics Institute of São Carlos, University of São Paulo, São Carlos, Brazil
| | - Carlos Speglich
- Leopoldo Américo Miguez de Mello Research Center CENPES/Petrobras, Rio de Janeiro, Brazil
| | - Fernanda de Freitas Anibal
- Department of Morphology and Pathology, Inflammation and Infectious Diseases Laboratory, Federal University of São Carlos, São Carlos, Brazil
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Karthick V, Kumar Shrestha L, Kumar VG, Pranjali P, Kumar D, Pal A, Ariga K. Nanoarchitectonics horizons: materials for life sciences. NANOSCALE 2022; 14:10630-10647. [PMID: 35842941 DOI: 10.1039/d2nr02293a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Nanoarchitectonics relies on the fabrication of materials at the atomic/molecular level to achieve the desired shape and function. Significant advances have been made in understanding the characteristics and spatial assemblies that contribute to material performance. Biomaterials undergo several changes when presented with various environmental cues. The ability to overcome such challenges, maintaining the integrity and effective functioning of native properties, can be regarded as a characteristic of a successful biomaterial. Control over the shape and efficacy of target materials can be tailored via various processes, like self-assembly, supramolecular chemistry, atomic/molecular manipulation, etc. Interplay between the physicochemical properties of materials and biomolecule recognition sites defines the structural rigidity in hierarchical structures. Materials including polymers, metal nanoparticles, nucleic acid systems, metal-organic frameworks, and carbon-based nanostructures can be viewed as promising prospects for developing biocompatible systems. This review discusses recent advances relating to such biomaterials for life science applications, where nanoarchitectonics plays a decisive role either directly or indirectly.
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Affiliation(s)
- V Karthick
- Centre for Ocean Research, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai 600119, India.
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Lok Kumar Shrestha
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
- Department of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
| | - V Ganesh Kumar
- Centre for Ocean Research, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai 600119, India.
| | - Pranjali Pranjali
- Department of Physics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
- Centre of Biomedical Research, SGPGIMS Campus, Lucknow 226014, Uttar Pradesh, India
| | - Dinesh Kumar
- Centre of Biomedical Research, SGPGIMS Campus, Lucknow 226014, Uttar Pradesh, India
| | - Aniruddha Pal
- Nanomaterials Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
| | - Katsuhiko Ariga
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8561, Japan
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Kumar S, Bhogal S, Sharma P, Rani S, Aulakh JS, Malik AK. Mobil catalytic material number 41 modified magnetite nano‐composites for efficient extraction of non‐steroidal anti‐inflammatory drugs from tap water and urine samples. SEPARATION SCIENCE PLUS 2022. [DOI: 10.1002/sscp.202200026] [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)
- Sandeep Kumar
- Department of Chemistry Punjabi University Patiala India
| | - Shikha Bhogal
- Department of Chemistry Punjabi University Patiala India
| | - Promila Sharma
- Department of Chemistry Punjabi University Patiala India
| | - Susheela Rani
- Department of Chemistry Punjabi University Patiala India
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Rehman Y, Qutaish H, Kim JH, Huang XF, Alvi S, Konstantinov K. Microenvironmental Behaviour of Nanotheranostic Systems for Controlled Oxidative Stress and Cancer Treatment. NANOMATERIALS 2022; 12:nano12142462. [PMID: 35889688 PMCID: PMC9319169 DOI: 10.3390/nano12142462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 07/06/2022] [Accepted: 07/12/2022] [Indexed: 02/04/2023]
Abstract
The development of smart, efficient and multifunctional material systems for diseases treatment are imperative to meet current and future health challenges. Nanomaterials with theranostic properties have offered a cost effective and efficient solution for disease treatment, particularly, metal/oxide based nanotheranostic systems already offering therapeutic and imaging capabilities for cancer treatment. Nanoparticles can selectively generate/scavenge ROS through intrinsic or external stimuli to augment/diminish oxidative stress. An efficient treatment requires higher oxidative stress/toxicity in malignant disease, with a minimal level in surrounding normal cells. The size, shape and surface properties of nanoparticles are critical parameters for achieving a theranostic function in the microenvironment. In the last decade, different strategies for the synthesis of biocompatible theranostic nanostructures have been introduced. The exhibition of therapeutics properties such as selective reactive oxygen species (ROS) scavenging, hyperthermia, antibacterial, antiviral, and imaging capabilities such as MRI, CT and fluorescence activity have been reported in a variety of developed nanosystems to combat cancer, neurodegenerative and emerging infectious diseases. In this review article, theranostic in vitro behaviour in relation to the size, shape and synthesis methods of widely researched and developed nanosystems (Au, Ag, MnOx, iron oxide, maghemite quantum flakes, La2O3−x, TaOx, cerium nanodots, ITO, MgO1−x) are presented. In particular, ROS-based properties of the nanostructures in the microenvironment for cancer therapy are discussed. The provided overview of the biological behaviour of reported metal-based nanostructures will help to conceptualise novel designs and synthesis strategies for the development of advanced nanotheranostic systems.
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Affiliation(s)
- Yaser Rehman
- Institute for Superconducting and Electronics Materials (ISEM), University of Wollongong (UOW), Wollongong, NSW 2522, Australia; (Y.R.); (H.Q.); (J.H.K.)
- Illawarra Health & Medical Research Institute (IHMRI), University of Wollongong (UOW), Wollongong, NSW 2522, Australia;
| | - Hamzeh Qutaish
- Institute for Superconducting and Electronics Materials (ISEM), University of Wollongong (UOW), Wollongong, NSW 2522, Australia; (Y.R.); (H.Q.); (J.H.K.)
| | - Jung Ho Kim
- Institute for Superconducting and Electronics Materials (ISEM), University of Wollongong (UOW), Wollongong, NSW 2522, Australia; (Y.R.); (H.Q.); (J.H.K.)
| | - Xu-Feng Huang
- Illawarra Health & Medical Research Institute (IHMRI), University of Wollongong (UOW), Wollongong, NSW 2522, Australia;
| | - Sadia Alvi
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia;
| | - Konstantin Konstantinov
- Institute for Superconducting and Electronics Materials (ISEM), University of Wollongong (UOW), Wollongong, NSW 2522, Australia; (Y.R.); (H.Q.); (J.H.K.)
- Illawarra Health & Medical Research Institute (IHMRI), University of Wollongong (UOW), Wollongong, NSW 2522, Australia;
- Correspondence: ; Tel.: +61-2-4221-5765
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22
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Preparation and characterization of electrospun magnetic poly(ether urethane) nanocomposite mats: Relationships between the viscosity of the polymer solutions and the electrospinning ability. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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23
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Włodarczyk A, Gorgoń S, Radoń A, Bajdak-Rusinek K. Magnetite Nanoparticles in Magnetic Hyperthermia and Cancer Therapies: Challenges and Perspectives. NANOMATERIALS 2022; 12:nano12111807. [PMID: 35683663 PMCID: PMC9182445 DOI: 10.3390/nano12111807] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/23/2022] [Accepted: 05/23/2022] [Indexed: 12/12/2022]
Abstract
Until now, strategies used to treat cancer are imperfect, and this generates the need to search for better and safer solutions. The biggest issue is the lack of selective interaction with neoplastic cells, which is associated with occurrence of side effects and significantly reduces the effectiveness of therapies. The use of nanoparticles in cancer can counteract these problems. One of the most promising nanoparticles is magnetite. Implementation of this nanoparticle can improve various treatment methods such as hyperthermia, targeted drug delivery, cancer genotherapy, and protein therapy. In the first case, its feature makes magnetite useful in magnetic hyperthermia. Interaction of magnetite with the altered magnetic field generates heat. This process results in raised temperature only in a desired part of a patient body. In other therapies, magnetite-based nanoparticles could serve as a carrier for various types of therapeutic load. The magnetic field would direct the drug-related magnetite nanoparticles to the pathological site. Therefore, this material can be used in protein and gene therapy or drug delivery. Since the magnetite nanoparticle can be used in various types of cancer treatment, they are extensively studied. Herein, we summarize the latest finding on the applicability of the magnetite nanoparticles, also addressing the most critical problems faced by smart nanomedicine in oncological therapies.
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Affiliation(s)
- Agnieszka Włodarczyk
- Department of Medical Genetics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Medyków 18, 40-752 Katowice, Poland;
| | - Szymon Gorgoń
- Department of Surgical and Perioperative Sciences, Surgery, Umeå University, 901 87 Umeå, Sweden;
| | - Adrian Radoń
- Łukasiewicz Research Network—Institute of Non-Ferrous Metals, Sowinskiego 5 St., 44-100 Gliwice, Poland;
| | - Karolina Bajdak-Rusinek
- Department of Medical Genetics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Medyków 18, 40-752 Katowice, Poland;
- Correspondence: ; Tel.: +48-32-208-8382
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Abbas M, Yan K, Li J, Zafar S, Hasnain Z, Aslam N, Iqbal N, Hussain SS, Usman M, Abbas M, Tahir M, Abbas S, Abbas SK, Qiulan H, Zhao X, El-Sappah AH. Agri-Nanotechnology and Tree Nanobionics: Augmentation in Crop Yield, Biosafety, and Biomass Accumulation. Front Bioeng Biotechnol 2022; 10:853045. [PMID: 35557864 PMCID: PMC9086278 DOI: 10.3389/fbioe.2022.853045] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 02/28/2022] [Indexed: 11/25/2022] Open
Abstract
Nanomaterials (NMs) are the leading edge as an amazing class of materials that consists of at least one dimension in the range of 1–100 nm. NMs can be made with exceptional magnetic, electrical, and catalytic properties different from their bulk counterparts. We summarized unique features of NMs, their synthesis, and advances in agri-nanotechnology and cutting-edge nanobionics. The review describes advances in NMs including their applications, dosimetry to ensure biosafety, remote sensing of agro-forestry fields, nanofertilizers, and nanopesticides, and avoid post-harvest losses, gene delivery, and nanobionics. Tree nanobionics has enabled the synthesis and delivery of nanosensors, which enhance the rate of photosynthesis, detection of pathogens, and poisonous residues to ensure biosafety and biomass accumulation. Finally, we conclude by discussing challenges, future perspectives, and agro-ecological risks of using NMs.
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Affiliation(s)
- Manzar Abbas
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
| | - Kuan Yan
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
| | - Jia Li
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
| | - Sara Zafar
- Government College University, Faisalabad, Pakistan
| | | | - Nazia Aslam
- Government College University, Faisalabad, Pakistan
| | - Naeem Iqbal
- Government College University, Faisalabad, Pakistan
| | - Syed Sarfaraz Hussain
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, Beijing, China.,Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Muhammad Usman
- National Institute for Biotechnology and Genetic Engineering College, Pakistan Institute of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad, Pakistan.,Faculty of Veterinary and Animal Sciences, MNS University of Agriculture, Multan, Pakistan
| | - Mubashir Abbas
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Muhammad Tahir
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, National Engineering Laboratory for Tree Breeding, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, China
| | - Sammar Abbas
- College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, China
| | - Saqi Kosar Abbas
- College of Agriculture, BZU, Bahadur Sub-Campus Layyah, Layyah, Pakistan
| | - Huang Qiulan
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
| | - Xianming Zhao
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
| | - Ahmed H El-Sappah
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China.,Department of Genetics, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
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Bhattacharjee S. Craft of Co-encapsulation in Nanomedicine: A Struggle To Achieve Synergy through Reciprocity. ACS Pharmacol Transl Sci 2022; 5:278-298. [PMID: 35592431 PMCID: PMC9112416 DOI: 10.1021/acsptsci.2c00033] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Indexed: 12/19/2022]
Abstract
Achieving synergism, often by combination therapy via codelivery of chemotherapeutic agents, remains the mainstay of treating multidrug-resistance cases in cancer and microbial strains. With a typical core-shell architecture and surface functionalization to ensure facilitated targeting of tissues, nanocarriers are emerging as a promising platform toward gaining such synergism. Co-encapsulation of disparate theranostic agents in nanocarriers-from chemotherapeutic molecules to imaging or photothermal modalities-can not only address the issue of protecting the labile drug payload from a hostile biochemical environment but may also ensure optimized drug release as a mainstay of synergistic effect. However, the fate of co-encapsulated molecules, influenced by temporospatial proximity, remains unpredictable and marred with events with deleterious impact on therapeutic efficacy, including molecular rearrangement, aggregation, and denaturation. Thus, more than just an art of confining multiple therapeutics into a 3D nanoscale space, a co-encapsulated nanocarrier, while aiming for synergism, should strive toward achieving a harmonious cohabitation of the encapsulated molecules that, despite proximity and opportunities for interaction, remain innocuous toward each other and ensure molecular integrity. This account will inspect the current progress in co-encapsulation in nanocarriers and distill out the key points toward accomplishing such synergism through reciprocity.
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Affiliation(s)
- Sourav Bhattacharjee
- School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
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Le Wee J, Law MC, Chan YS, Choy SY, Tiong ANT. The Potential of Fe‐Based Magnetic Nanomaterials for the Agriculture Sector. ChemistrySelect 2022. [DOI: 10.1002/slct.202104603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jia Le Wee
- Department of Chemical and Energy Engineering Faculty of Engineering and Science Curtin University Malaysia CDT 250 98009 Miri Sarawak Malaysia
| | - Ming Chiat Law
- Department of Mechanical Engineering Faculty of Engineering and Science Curtin University Malaysia CDT 250 98009 Miri Sarawak Malaysia
| | - Yen San Chan
- Department of Chemical and Energy Engineering Faculty of Engineering and Science Curtin University Malaysia CDT 250 98009 Miri Sarawak Malaysia
| | - Sook Yan Choy
- Department of Chemical and Energy Engineering Faculty of Engineering and Science Curtin University Malaysia CDT 250 98009 Miri Sarawak Malaysia
| | - Angnes Ngieng Tze Tiong
- Department of Chemical and Energy Engineering Faculty of Engineering and Science Curtin University Malaysia CDT 250 98009 Miri Sarawak Malaysia
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Magnetic Core-Shell Iron Oxides-Based Nanophotocatalysts and Nanoadsorbents for Multifunctional Thin Films. MEMBRANES 2022; 12:membranes12050466. [PMID: 35629792 PMCID: PMC9144956 DOI: 10.3390/membranes12050466] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/12/2022] [Accepted: 04/19/2022] [Indexed: 02/01/2023]
Abstract
In recent years, iron oxides-based nanostructured composite materials are of particular interest for the preparation of multifunctional thin films and membranes to be used in sustainable magnetic field adsorption and photocatalysis processes, intelligent coatings, and packing or bio-medical applications. In this paper, superparamagnetic iron oxide (core)-silica (shell) nanoparticles suitable for thin films and membrane functionalization were obtained by co-precipitation and ultrasonic-assisted sol-gel methods. The comparative/combined effect of the magnetic core co-precipitation temperature (80 and 95 °C) and ZnO-doping of the silica shell on the photocatalytic and nano-sorption properties of the resulted composite nanoparticles were investigated by ultraviolet-visible (UV-VIS) spectroscopy monitoring the discoloration of methylene blue (MB) solution under ultraviolet (UV) irradiation and darkness, respectively. The morphology, structure, textural, and magnetic parameters of the investigated powders were evidenced by scanning electron microscopy (SEM), X-ray diffraction (XRD), Raman spectroscopy, Brunauer–Emmett–Teller (BET) measurements, and saturation magnetization (vibrating sample magnetometry, VSM). The intraparticle diffusion model controlled the MB adsorption. The pseudo- and second-order kinetics described the MB photodegradation. When using SiO2-shell functionalized nanoparticles, the adsorption and photodegradation constant rates are three–four times higher than for using starting core iron oxide nanoparticles. The obtained magnetic nanoparticles (MNPs) were tested for films deposition.
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Advances in the Synthesis and Application of Magnetic Ferrite Nanoparticles for Cancer Therapy. Pharmaceutics 2022; 14:pharmaceutics14050937. [PMID: 35631523 PMCID: PMC9145864 DOI: 10.3390/pharmaceutics14050937] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 04/16/2022] [Accepted: 04/20/2022] [Indexed: 12/12/2022] Open
Abstract
Cancer is among the leading causes of mortality globally, with nearly 10 million deaths in 2020. The emergence of nanotechnology has revolutionised treatment strategies in medicine, with rigorous research focusing on designing multi-functional nanoparticles (NPs) that are biocompatible, non-toxic, and target-specific. Iron-oxide-based NPs have been successfully employed in theranostics as imaging agents and drug delivery vehicles for anti-cancer treatment. Substituted iron-oxides (MFe2O4) have emerged as potential nanocarriers due to their unique and attractive properties such as size and magnetic tunability, ease of synthesis, and manipulatable properties. Current research explores their potential use in hyperthermia and as drug delivery vehicles for cancer therapy. Significantly, there are considerations in applying iron-oxide-based NPs for enhanced biocompatibility, biodegradability, colloidal stability, lowered toxicity, and more efficient and targeted delivery. This review covers iron-oxide-based NPs in cancer therapy, focusing on recent research advances in the use of ferrites. Methods for the synthesis of cubic spinel ferrites and the requirements for their considerations as potential nanocarriers in cancer therapy are discussed. The review highlights surface modifications, where functionalisation with specific biomolecules can deliver better efficiency. Finally, the challenges and solutions for the use of ferrites in cancer therapy are summarised.
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Bhadauria SS, Malviya R. Advancement in Nanoformulations for the Management of Diabetic Wound Healing. Endocr Metab Immune Disord Drug Targets 2022; 22:911-926. [PMID: 35249512 DOI: 10.2174/1871530322666220304214106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 12/01/2021] [Accepted: 01/07/2022] [Indexed: 11/22/2022]
Abstract
People with diabetes have a very slow tendency for wound healing. Wound healing is a vast process where several factors inhibit the sequence of healing. Nano formulation plays a major role during acute and chronic wound healing. The present manuscript aims to discuss the role of nanoformulation in the treatment of diabetic wound healing. Diabetes is a common disease that has harmful consequences which lead to bad health. During the literature survey, it was observed that nanotechnology has significant advantages in the treatment of diabetic wound healing. The present manuscript summarized the role of nanomaterials in wound healing, challenges in diabetic wound healing, physiology of wound healing, a limitation that comes during wound repair, and treatments available for wound healing. After a comprehensive literature survey, it can be concluded that health worker needs more focus on the area of wound healing in diabetic patients. Medical practitioners, pharmaceutical and biomedical researchers need more attention towards the utilization of nanoformulations for the treatment of wound healing, specifically in the case of diabetes.
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Affiliation(s)
- Shailendra Singh Bhadauria
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
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Tsegay F, Elsherif M, Butt H. Smart 3D Printed Hydrogel Skin Wound Bandages: A Review. Polymers (Basel) 2022; 14:polym14051012. [PMID: 35267835 PMCID: PMC8912626 DOI: 10.3390/polym14051012] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 02/21/2022] [Accepted: 02/23/2022] [Indexed: 02/07/2023] Open
Abstract
Wounds are a major health concern affecting the lives of millions of people. Some wounds may pass a threshold diameter to become unrecoverable by themselves. These wounds become chronic and may even lead to mortality. Recently, 3D printing technology, in association with biocompatible hydrogels, has emerged as a promising platform for developing smart wound dressings, overcoming several challenges. 3D printed wound dressings can be loaded with a variety of items, such as antibiotics, antibacterial nanoparticles, and other drugs that can accelerate wound healing rate. 3D printing is computerized, allowing each level of the printed part to be fully controlled in situ to produce the dressings desired. In this review, recent developments in hydrogel-based wound dressings made using 3D printing are covered. The most common biosensors integrated with 3D printed hydrogels for wound dressing applications are comprehensively discussed. Fundamental challenges for 3D printing and future prospects are highlighted. Additionally, some related nanomaterial-based hydrogels are recommended for future consideration.
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Polymeric Composite of Magnetite Iron Oxide Nanoparticles and Their Application in Biomedicine: A Review. Polymers (Basel) 2022; 14:polym14040752. [PMID: 35215665 PMCID: PMC8878751 DOI: 10.3390/polym14040752] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/10/2022] [Accepted: 02/14/2022] [Indexed: 12/13/2022] Open
Abstract
A broad spectrum of nanomaterials has been investigated for multiple purposes in recent years. Some of these studied materials are magnetics nanoparticles (MNPs). Iron oxide nanoparticles (IONPs) and superparamagnetic iron oxide nanoparticles (SPIONs) are MNPs that have received extensive attention because of their physicochemical and magnetic properties and their ease of combination with organic or inorganic compounds. Furthermore, the arresting of these MNPs into a cross-linked matrix known as hydrogel has attracted significant interest in the biomedical field. Commonly, MNPs act as a reinforcing material for the polymer matrix. In the present review, several methods, such as co-precipitation, polyol, hydrothermal, microemulsion, and sol-gel methods, are reported to synthesize magnetite nanoparticles with controllable physical and chemical properties that suit the required application. Due to the potential of magnetite-based nanocomposites, specifically in hydrogels, processing methods, including physical blending, in situ precipitation, and grafting methods, are introduced. Moreover, the most common characterization techniques employed to study MNPs and magnetic gel are discussed.
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Fernández-Bertólez N, Costa C, Brandão F, Teixeira JP, Pásaro E, Valdiglesias V, Laffon B. Toxicological Aspects of Iron Oxide Nanoparticles. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1357:303-350. [DOI: 10.1007/978-3-030-88071-2_13] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Chircov C, Bîrcă AC, Grumezescu AM, Vasile BS, Oprea O, Nicoară AI, Yang CH, Huang KS, Andronescu E. Synthesis of Magnetite Nanoparticles through a Lab-On-Chip Device. MATERIALS (BASEL, SWITZERLAND) 2021; 14:5906. [PMID: 34640303 PMCID: PMC8510126 DOI: 10.3390/ma14195906] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 10/01/2021] [Accepted: 10/03/2021] [Indexed: 01/21/2023]
Abstract
Magnetite nanoparticles (MNPs) represent one of the most intensively studied types of iron oxide nanoparticles in various fields, including biomedicine, pharmaceutics, bioengineering, and industry. Since their properties in terms of size, shape, and surface charge significantly affects their efficiency towards the envisaged application, it is fundamentally important to develop a new synthesis route that allows for the control and modulation of the nanoparticle features. In this context, the aim of the present study was to develop a new method for the synthesis of MNPs. Specifically, a microfluidic lab-on-chip (LoC) device was used to obtain MNPs with controlled properties. The study investigated the influence of iron precursor solution concentration and flowed onto the final properties of the nanomaterials. The synthesized MNPs were characterized in terms of size, morphology, structure, composition, and stability. Results proved the formation of magnetite as a single mineral phase. Moreover, the uniform spherical shape and narrow size distribution were demonstrated. Optimal characteristics regarding MNPs crystallinity, uniformity, and thermal stability were obtained at higher concentrations and lower flows. In this manner, the potential of the LoC device is a promising tool for the synthesis of nanomaterials by ensuring the necessary uniformity for all final applications.
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Affiliation(s)
- Cristina Chircov
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (C.C.); (A.C.B.); (B.S.V.); (A.I.N.); (E.A.)
| | - Alexandra Cătălina Bîrcă
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (C.C.); (A.C.B.); (B.S.V.); (A.I.N.); (E.A.)
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (C.C.); (A.C.B.); (B.S.V.); (A.I.N.); (E.A.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050657 Bucharest, Romania
- Academy of Romanian Scientists, 54 Spl. Independentei, 050045 Bucharest, Romania
| | - Bogdan Stefan Vasile
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (C.C.); (A.C.B.); (B.S.V.); (A.I.N.); (E.A.)
| | - Ovidiu Oprea
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, University Politehnica of Bucharest, 1-7 Polizu St., 011061 Bucharest, Romania;
| | - Adrian Ionuț Nicoară
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (C.C.); (A.C.B.); (B.S.V.); (A.I.N.); (E.A.)
| | - Chih-Hui Yang
- Department of Biological Science and Technology, I-Shou University, Kaohsiung 824, Taiwan;
- Pharmacy Department of E-Da Hospital, Kaohsiung 824, Taiwan
- Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu 300, Taiwan
| | - Keng-Shiang Huang
- The School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 840301, Taiwan;
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (C.C.); (A.C.B.); (B.S.V.); (A.I.N.); (E.A.)
- Academy of Romanian Scientists, 54 Spl. Independentei, 050045 Bucharest, Romania
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Radoń A, Kądziołka-Gaweł M, Łukowiec D, Gębara P, Cesarz-Andraczke K, Kolano-Burian A, Włodarczyk P, Polak M, Babilas R. Influence of Magnetite Nanoparticles Shape and Spontaneous Surface Oxidation on the Electron Transport Mechanism. MATERIALS (BASEL, SWITZERLAND) 2021; 14:5241. [PMID: 34576465 PMCID: PMC8469694 DOI: 10.3390/ma14185241] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 08/31/2021] [Accepted: 09/08/2021] [Indexed: 12/14/2022]
Abstract
The spontaneous oxidation of a magnetite surface and shape design are major aspects of synthesizing various nanostructures with unique magnetic and electrical properties, catalytic activity, and biocompatibility. In this article, the roles of different organic modifiers on the shape and formation of an oxidized layer composed of maghemite were discussed and described in the context of magnetic and electrical properties. It was confirmed that Fe3O4 nanoparticles synthesized in the presence of triphenylphosphine could be characterized by cuboidal shape, a relatively low average particle size (9.6 ± 2.0 nm), and high saturation magnetization equal to 55.2 emu/g. Furthermore, it has been confirmed that low-frequency conductivity and dielectric properties are related to surface disordering and oxidation. The electric energy storage possibility increased for nanoparticles with a disordered and oxidized surface, whereas the dielectric losses in these particles were strongly related to their size. The cuboidal magnetite nanoparticles synthesized in the presence of triphenylphosphine had an ultrahigh electrical conductivity (1.02 × 10-4 S/cm at 10 Hz) in comparison to the spherical ones. At higher temperatures, the maghemite content altered the behavior of electrons. The electrical conductivity can be described by correlated barrier hopping or overlapping large polaron tunneling. Interestingly, the activation energies of electrons transport by the surface were similar for all the analyzed nanoparticles in low- and high-temperature ranges.
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Affiliation(s)
- Adrian Radoń
- Łukasiewicz Research Network—Institute of Non-Ferrous Metals, Sowinskiego 5 St., 44-100 Gliwice, Poland; (A.K.-B.); (P.W.); (M.P.)
- Faculty of Mechanical Engineering, Silesian University of Technology, Konarskiego 18 a St., 44-100 Gliwice, Poland; (D.Ł.); (K.C.-A.); (R.B.)
| | - Mariola Kądziołka-Gaweł
- A. Chelkowski Institute of Physics, University of Silesia, 75 Pułku Piechoty 1A St., 41-500 Chorzów, Poland;
| | - Dariusz Łukowiec
- Faculty of Mechanical Engineering, Silesian University of Technology, Konarskiego 18 a St., 44-100 Gliwice, Poland; (D.Ł.); (K.C.-A.); (R.B.)
| | - Piotr Gębara
- Institute of Physics, Czestochowa University of Technology, al. Armii Krajowej 19, 42-200 Czestochowa, Poland;
| | - Katarzyna Cesarz-Andraczke
- Faculty of Mechanical Engineering, Silesian University of Technology, Konarskiego 18 a St., 44-100 Gliwice, Poland; (D.Ł.); (K.C.-A.); (R.B.)
| | - Aleksandra Kolano-Burian
- Łukasiewicz Research Network—Institute of Non-Ferrous Metals, Sowinskiego 5 St., 44-100 Gliwice, Poland; (A.K.-B.); (P.W.); (M.P.)
| | - Patryk Włodarczyk
- Łukasiewicz Research Network—Institute of Non-Ferrous Metals, Sowinskiego 5 St., 44-100 Gliwice, Poland; (A.K.-B.); (P.W.); (M.P.)
| | - Marcin Polak
- Łukasiewicz Research Network—Institute of Non-Ferrous Metals, Sowinskiego 5 St., 44-100 Gliwice, Poland; (A.K.-B.); (P.W.); (M.P.)
| | - Rafał Babilas
- Faculty of Mechanical Engineering, Silesian University of Technology, Konarskiego 18 a St., 44-100 Gliwice, Poland; (D.Ł.); (K.C.-A.); (R.B.)
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Murariu M, Galluzzi A, Paint Y, Murariu O, Raquez JM, Polichetti M, Dubois P. Pathways to Green Perspectives: Production and Characterization of Polylactide (PLA) Nanocomposites Filled with Superparamagnetic Magnetite Nanoparticles. MATERIALS 2021; 14:ma14185154. [PMID: 34576386 PMCID: PMC8467987 DOI: 10.3390/ma14185154] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/26/2021] [Accepted: 08/30/2021] [Indexed: 02/02/2023]
Abstract
In the category of biopolymers, polylactide or polylactic acid (PLA) is one of the most promising candidates considered for future developments, as it is not only biodegradable under industrial composting conditions, but it is produced from renewable natural resources. The modification of PLA through the addition of nanofillers is considered as a modern approach to improve its main characteristic features (mechanical, thermal, barrier, etc.) and to obtain specific end-use properties. Iron oxide nanoparticles (NPs) of low dimension (10–20 nm) such as magnetite (Fe3O4), exhibit strong magnetization in magnetic field, are biocompatible and show low toxicity, and can be considered in the production of polymer nanocomposites requiring superparamagnetic properties. Accordingly, PLA was mixed by melt-compounding with 4–16 wt.% magnetite NPs. Surface treatment of NPs with a reactive polymethylhydrogensiloxane (MHX) was investigated to render the nanofiller water repellent, less sensitive to moisture and to reduce the catalytic effects at high temperature of iron (from magnetite) on PLA macromolecular chains. The characterization of nanocomposites was focused on the differences of the rheology and morphology, modification, and improvements in the thermal properties using surface treated NPs, while the superparamagnetic behavior was confirmed by VSM (vibrating sample magnetometer) measurements. The PLA−magnetite nanocomposites had strong magnetization properties at low magnetic field (values close to 70% of Mmax at H = 0.2 T), while the maximum magnetic signal (Mmax) was mainly determined by the loading of the nanofiller, without any significant differences linked to the surface treatment of MNPs. These bionanocomposites showing superparamagnetic properties, close to zero magnetic remanence, and coercivity, can be further produced at a larger scale by melt-compounding and can be designed for special end-use applications, going from biomedical to technical areas.
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Affiliation(s)
- Marius Murariu
- Laboratory of Polymeric and Composite Materials, Materia Nova Materials R&D Center & UMons Innovation Center, 3 Avenue Copernic, 7000 Mons, Belgium; (Y.P.); (O.M.)
- Correspondence: (M.M.); (P.D.)
| | - Armando Galluzzi
- Department of Physics E.R. Caianiello, University of Salerno, and CNR-SPIN (Salerno), via Giovanni Paolo II, 84084 Fisciano, Italy; (A.G.); (M.P.)
| | - Yoann Paint
- Laboratory of Polymeric and Composite Materials, Materia Nova Materials R&D Center & UMons Innovation Center, 3 Avenue Copernic, 7000 Mons, Belgium; (Y.P.); (O.M.)
| | - Oltea Murariu
- Laboratory of Polymeric and Composite Materials, Materia Nova Materials R&D Center & UMons Innovation Center, 3 Avenue Copernic, 7000 Mons, Belgium; (Y.P.); (O.M.)
| | - Jean-Marie Raquez
- Laboratory of Polymeric and Composite Materials (LPCM), Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons (UMONS), 7000 Mons, Belgium;
| | - Massimiliano Polichetti
- Department of Physics E.R. Caianiello, University of Salerno, and CNR-SPIN (Salerno), via Giovanni Paolo II, 84084 Fisciano, Italy; (A.G.); (M.P.)
| | - Philippe Dubois
- Laboratory of Polymeric and Composite Materials, Materia Nova Materials R&D Center & UMons Innovation Center, 3 Avenue Copernic, 7000 Mons, Belgium; (Y.P.); (O.M.)
- Laboratory of Polymeric and Composite Materials (LPCM), Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons (UMONS), 7000 Mons, Belgium;
- Correspondence: (M.M.); (P.D.)
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Abarca-Cabrera L, Fraga-García P, Berensmeier S. Bio-nano interactions: binding proteins, polysaccharides, lipids and nucleic acids onto magnetic nanoparticles. Biomater Res 2021; 25:12. [PMID: 33883044 PMCID: PMC8059211 DOI: 10.1186/s40824-021-00212-y] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/21/2021] [Indexed: 12/11/2022] Open
Abstract
The major interest in nanoparticles as an application platform for biotechnology arises from their high surface-to-volume ratio. Iron oxide nanoparticles (IONPs) are particularly appealing due to their superparamagnetic behavior, which enables bioseparation using external magnetic fields. In order to design advanced biomaterials, improve binding capacities and develop innovative processing solutions, a thorough understanding of the factors governing organic-inorganic binding in solution is critical but has not yet been achieved, given the wide variety of chemical and physical influences. This paper offers a critical review of experimental studies of the interactions between low cost IONPs (bare iron oxides, silica-coated or easily-functionalized surfaces) and the main groups of biomolecules: proteins, lipids, nucleic acids and carbohydrates. Special attention is devoted to the driving forces and interdependencies responsible of interactions at the solid-liquid interface, to the unique structural characteristics of each biomolecular class, and to environmental conditions influencing adsorption. Furthermore, studies focusing on mixtures, which are still rare, but absolutely necessary to understand the biocorona, are also included. This review concludes with a discussion of future work needed to fill the gaps in knowledge of bio-nano interactions, seeking to improve nanoparticles' targeting capabilities in complex systems, and to open the door for multipurpose recognition and bioseparation processes.
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Affiliation(s)
- Lucía Abarca-Cabrera
- Bioseparation Engineering Group, Department of Mechanical Engineering, Technical University of Munich, 85748, Garching bei München, Germany
| | - Paula Fraga-García
- Bioseparation Engineering Group, Department of Mechanical Engineering, Technical University of Munich, 85748, Garching bei München, Germany.
| | - Sonja Berensmeier
- Bioseparation Engineering Group, Department of Mechanical Engineering, Technical University of Munich, 85748, Garching bei München, Germany
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Lactoferrin/Calcium Phosphate-Modified Porous Ti by Biomimetic Mineralization: Effective Infection Prevention and Excellent Osteoinduction. MATERIALS 2021; 14:ma14040992. [PMID: 33669904 PMCID: PMC7923298 DOI: 10.3390/ma14040992] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/06/2021] [Accepted: 02/13/2021] [Indexed: 02/05/2023]
Abstract
The surface modification of titanium (Ti) can enhance the osseointegration and antibacterial properties of implants. In this study, we modified porous Ti discs with calcium phosphate (CaP) and different concentrations of Lactoferrin (LF) by biomimetic mineralization and examined their antibacterial effects and osteogenic bioactivity. Firstly, scanning electron microscopy (SEM), the fluorescent tracing method, X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), energy dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), and the releasing kinetics of LF were utilized to characterize the modified Ti surface. Then, the antibacterial properties against S. sanguis and S. aureus were investigated. Finally, in vitro cytological examination was performed, including evaluations of cell adhesion, cell differentiation, extracellular matrix mineralization, and cytotoxicity. The results showed that the porous Ti discs were successfully modified with CaP and LF, and that the LF-M group (200 μg/mL LF in simulated body fluid) could mildly release LF under control. Further, the LF-M group could effectively inhibit the adhesion and proliferation of S. sanguis and S. aureus and enhance the osteogenic differentiation in vitro with a good biocompatibility. Consequently, LF-M-modified Ti may have potential applications in the field of dental implants to promote osseointegration and prevent the occurrence of peri-implantitis.
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Leonel AG, Mansur AAP, Mansur HS. Advanced Functional Nanostructures based on Magnetic Iron Oxide Nanomaterials for Water Remediation: A Review. WATER RESEARCH 2021; 190:116693. [PMID: 33302040 DOI: 10.1016/j.watres.2020.116693] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 11/10/2020] [Accepted: 11/27/2020] [Indexed: 05/24/2023]
Abstract
The fast growth of industrialization combined with the increasing population has led to an unparalleled demand for providing water in a safe, reliable, and cost-effective way, which has become one of the biggest challenges of the twenty-first century faced by global society. The application of nanotechnology in water treatment and pollution cleanup is a promising alternative in order to overcome the current limitations. In particular, the application of magnetic iron oxide nanoparticles (MIONs) for environmental remediation has currently received remarkable attention due to its unique combination of physicochemical and magnetic properties. Given the broadening use of these functional engineered nanomaterials, there is a growing concern about the adverse effects upon exposure of products and by-products to the environment. This makes vitally relevant the development of green chemistry in the synthesis processes combined with a trustworthy risk assessment of the nanotoxicity of MIONs as the scientific knowledge of the potential hazard of nanomaterials remains limited. This work provides comprehensive coverage of the recent progress on designing and developing iron oxide-based nanomaterials through a green synthesis strategy, including the use of benign solvents and ligands. Despite the limitations of nanotoxicity and environmental risks of iron oxide-based nanoparticles for the ecosystem, this critical review presents a contribution to the emerging knowledge concerning the theoretical and experimental studies on the toxicity of MIONs. Potential improvement of applications of advanced iron oxide-based hybrid nanostructures in water treatment and pollution control is also addressed in this review.
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Affiliation(s)
- Alice G Leonel
- Center of Nanoscience, Nanotechnology and Innovation - CeNano(2)I, Department of Metallurgical and Materials Engineering, Federal University of Minas Gerais - UFMG, Av. Antônio Carlos, 6627 - Belo Horizonte/MG, Brazil.
| | - Alexandra A P Mansur
- Center of Nanoscience, Nanotechnology and Innovation - CeNano(2)I, Department of Metallurgical and Materials Engineering, Federal University of Minas Gerais - UFMG, Av. Antônio Carlos, 6627 - Belo Horizonte/MG, Brazil.
| | - Herman S Mansur
- Center of Nanoscience, Nanotechnology and Innovation - CeNano(2)I, Department of Metallurgical and Materials Engineering, Federal University of Minas Gerais - UFMG, Av. Antônio Carlos, 6627 - Belo Horizonte/MG, Brazil.
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Yang X, Li P, Tang W, Du S, Yu M, Lu H, Tan H, Xing X. A facile injectable carbon dot/oxidative polysaccharide hydrogel with potent self-healing and high antibacterial activity. Carbohydr Polym 2021; 251:117040. [DOI: 10.1016/j.carbpol.2020.117040] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/31/2020] [Accepted: 08/31/2020] [Indexed: 12/31/2022]
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3D-printed assistive pipetting system for gel electrophoresis for technicians with low acuity vision. Biotechniques 2020; 70:49-53. [PMID: 33307798 PMCID: PMC7852844 DOI: 10.2144/btn-2020-0139] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
In molecular biology laboratories, many tasks require fine motor control and high acuity vision. For example, lab technicians with visual impairment experience difficulty loading samples into the small wells of a horizontal agarose gel. We have developed a 3D-printable gel loading system which allows technicians with low-contrast vision to load gels correctly. It includes a casting tray, a bridge, and a modified comb. The system provides a high-contrast visual field to improve visibility, and the bridge allows pipette tips to be inserted at the correct location and only to the correct depth. The necessary computer files for printing this device are freely available to increase the accessibility of molecular biology laboratories to people with visual impairment. We have produced a system for people with visual impairment to successfully load an agarose gel for gel electrophoresis. This system can be produced using a 3D printer. There are three components: a casting tray, a bridge, and a modified comb. The bridge fits into side notches in the casting tray and is suspended above the tray. The comb is inserted into the bridge while the molten gel is poured. When the gel cools, the comb is removed leaving the bridge in place. Pipettes can then only be inserted in the correct location and to the correct depth to load the wells. Importantly, the bridge and tray are contrasting colors to aid in visual discernment.
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Colchicine mesoporous silica nanoparticles/hydrogel composite loaded cotton patches as a new encapsulator system for transdermal osteoarthritis management. Int J Biol Macromol 2020; 164:1149-1163. [DOI: 10.1016/j.ijbiomac.2020.07.133] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/02/2020] [Accepted: 07/11/2020] [Indexed: 01/01/2023]
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Andrgie AT, Darge HF, Mekonnen TW, Birhan YS, Hanurry EY, Chou HY, Wang CF, Tsai HC, Yang JM, Chang YH. Ibuprofen-Loaded Heparin Modified Thermosensitive Hydrogel for Inhibiting Excessive Inflammation and Promoting Wound Healing. Polymers (Basel) 2020; 12:E2619. [PMID: 33172099 PMCID: PMC7694755 DOI: 10.3390/polym12112619] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 10/30/2020] [Accepted: 11/04/2020] [Indexed: 12/20/2022] Open
Abstract
Hydrogels have been investigated as ideal biomaterials for wound treatment owing to their ability to form a highly moist environment which accelerates cell migration and tissue regeneration for prompt wound healing. They can also be used as a drug carrier for local delivery, and are able to activate immune cells to enhance wound healing. Here, we developed heparin-conjugated poly(N-isopropylacrylamide), an injectable, in situ gel-forming polymer, and evaluated its use in wound healing. Ibuprofen was encapsulated into the hydrogel to help reduce pain and excessive inflammation during healing. In addition to in vitro studies, a BALB/c mice model was used to evaluate its effect on would healing and the secretion of inflammatory mediators. The in vitro assay confirmed that the ibuprofen released from the hydrogel dramatically reduced lipopolysaccharide-induced inflammation by suppressing the production of NO, PGE2 and TNF-α in RAW264.7 macrophages. Moreover, an in vivo wound healing assay was conducted by applying hydrogels to wounds on the backs of mice. The results showed that the ibuprofen-loaded hydrogel improved healing relative to the phosphate buffered saline group. This study indicates that ibuprofen loaded in an injectable hydrogel is a promising candidate for wound healing therapy.
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Affiliation(s)
- Abegaz Tizazu Andrgie
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (A.T.A.); (H.F.D.); (T.W.M.); (Y.S.B.); (E.Y.H.); (H.-Y.C.); (C.-F.W.)
| | - Haile Fentahun Darge
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (A.T.A.); (H.F.D.); (T.W.M.); (Y.S.B.); (E.Y.H.); (H.-Y.C.); (C.-F.W.)
| | - Tefera Worku Mekonnen
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (A.T.A.); (H.F.D.); (T.W.M.); (Y.S.B.); (E.Y.H.); (H.-Y.C.); (C.-F.W.)
| | - Yihenew Simegniew Birhan
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (A.T.A.); (H.F.D.); (T.W.M.); (Y.S.B.); (E.Y.H.); (H.-Y.C.); (C.-F.W.)
| | - Endiries Yibru Hanurry
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (A.T.A.); (H.F.D.); (T.W.M.); (Y.S.B.); (E.Y.H.); (H.-Y.C.); (C.-F.W.)
| | - Hsiao-Ying Chou
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (A.T.A.); (H.F.D.); (T.W.M.); (Y.S.B.); (E.Y.H.); (H.-Y.C.); (C.-F.W.)
| | - Chih-Feng Wang
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (A.T.A.); (H.F.D.); (T.W.M.); (Y.S.B.); (E.Y.H.); (H.-Y.C.); (C.-F.W.)
- Advanced Membrane Materials Center, National Taiwan University of Science and Technology, Taipei 106, Taiwan
| | - Hsieh-Chih Tsai
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (A.T.A.); (H.F.D.); (T.W.M.); (Y.S.B.); (E.Y.H.); (H.-Y.C.); (C.-F.W.)
- Advanced Membrane Materials Center, National Taiwan University of Science and Technology, Taipei 106, Taiwan
| | - Jen Ming Yang
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 320-338, Taiwan;
- Department of General Dentistry, Chang Gung Memorial Hospital, Taoyuan 320-338, Taiwan
| | - Yen-Hsiang Chang
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 320-338, Taiwan;
- Department of General Dentistry, Chang Gung Memorial Hospital, Taoyuan 320-338, Taiwan
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Zhao C, Zhu Y, Kong B, Huang Y, Yan D, Tan H, Shang L. Dual-Core Prebiotic Microcapsule Encapsulating Probiotics for Metabolic Syndrome. ACS APPLIED MATERIALS & INTERFACES 2020; 12:42586-42594. [PMID: 32869634 DOI: 10.1021/acsami.0c13518] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Designing strategies to utilize the synergistic effect of probiotics and prebiotics is a promising way in treating metabolic-related diseases. Here, inspired by the mutually promotable but mutually incompatible characteristics of Yin and Yang, dual-core microcapsules that encapsulate Lactobacillus and Bacillus subtilis into separate compartments were presented through electrostatically driven microfluidics. The microcapsules showed acid resistance and preserved probiotic activity. They also fostered the proliferation of probiotics while creating an anaerobic environment and promoted lactic acid fermentation without affecting each other. It has been demonstrated that the microcapsules could reduce inflammation, improve fat metabolism, and restore intestinal barrier functions, thus contributing to the treatment of metabolic syndrome in vivo. These features make the dual-core microcapsules an ideal candidate for treating metabolic syndrome and related diseases.
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Affiliation(s)
- Cheng Zhao
- Department of Endocrinology, Health Science Center, The First Affiliated Hospital, Shenzhen University, Shenzhen 518035, China
- Department of Neurosurgery, The First Affiliated Hospital of Shenzhen University, Health Science Center of Shenzhen University, Shenzhen 518035, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yujuan Zhu
- Department of Endocrinology, Health Science Center, The First Affiliated Hospital, Shenzhen University, Shenzhen 518035, China
- Department of Neurosurgery, The First Affiliated Hospital of Shenzhen University, Health Science Center of Shenzhen University, Shenzhen 518035, China
| | - Bin Kong
- Department of Endocrinology, Health Science Center, The First Affiliated Hospital, Shenzhen University, Shenzhen 518035, China
- Department of Neurosurgery, The First Affiliated Hospital of Shenzhen University, Health Science Center of Shenzhen University, Shenzhen 518035, China
| | - Yutong Huang
- Macau University of Science and Technology, Macau 999078, China
| | - Dewen Yan
- Department of Endocrinology, Health Science Center, The First Affiliated Hospital, Shenzhen University, Shenzhen 518035, China
| | - Hui Tan
- Department of Neurosurgery, The First Affiliated Hospital of Shenzhen University, Health Science Center of Shenzhen University, Shenzhen 518035, China
| | - Luoran Shang
- Zhongshan-Xuhui Hospital, the Shanghai Key Laboratory of Medical Epigenetics, the International Co-laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
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Zhang M, Zhao X. Alginate hydrogel dressings for advanced wound management. Int J Biol Macromol 2020; 162:1414-1428. [PMID: 32777428 DOI: 10.1016/j.ijbiomac.2020.07.311] [Citation(s) in RCA: 208] [Impact Index Per Article: 52.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/05/2020] [Accepted: 07/29/2020] [Indexed: 01/07/2023]
Abstract
Wound healing is a complicated and continuous process affected by several factors, and it needs an appropriate surrounding to achieve accelerated healing. At present, various wound dressings are used for wound management, such as fiber, sponge, hydrogel, foam, hydrocolloid and so on. Hydrogels can provide mechanical support and moist environment for wounds, and are widely used in biomedical field. Alginate is a natural linear polysaccharide derived from brown algae or bacteria, consisting of repeating units of β-1,4-linked D-mannuronic acid (M) and L-guluronic acid (G) in different ratios. It is widely used in biomedical and engineering fields due to its good biocompatibility and liquid absorption capacity. Alginate-based hydrogels have been used in wound dressing, tissue engineering, and drug delivery applications for decades. In this review, we summarize the recent approaches in the chemical and physical preparation and the application of alginate hydrogels in wound dressings.
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Affiliation(s)
- Miao Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Xia Zhao
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
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Feng X, Zhang W, Xu L. Surface grafted cross-linked poly(ionic liquid) hydrogel for electrocatalytic oxidation of cysteine. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Combination Design of Time-Dependent Magnetic Field and Magnetic Nanocomposites to Guide Cell Behavior. NANOMATERIALS 2020; 10:nano10030577. [PMID: 32235724 PMCID: PMC7153399 DOI: 10.3390/nano10030577] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 03/11/2020] [Accepted: 03/17/2020] [Indexed: 12/11/2022]
Abstract
The concept of magnetic guidance is still challenging and has opened a wide range of perspectives in the field of tissue engineering. In this context, magnetic nanocomposites consisting of a poly(ε-caprolactone) (PCL) matrix and iron oxide (Fe3O4) nanoparticles were designed and manufactured for bone tissue engineering. The mechanical properties of PCL/Fe3O4 (80/20 w/w) nanocomposites were first assessed through small punch tests. The inclusion of Fe3O4 nanoparticles improved the punching properties as the values of peak load were higher than those obtained for the neat PCL without significantly affecting the work to failure. The effect of a time-dependent magnetic field on the adhesion, proliferation, and differentiation of human mesenchymal stem cells (hMSCs) was analyzed. The Alamar Blue assay, confocal laser scanning microscopy, and image analysis (i.e., shape factor) provided information on cell adhesion and viability over time, whereas the normalized alkaline phosphatase activity (ALP/DNA) demonstrated that the combination of a time-dependent field with magnetic nanocomposites (PCL/Fe3O4 Mag) influenced cell differentiation. Furthermore, in terms of extracellular signal-regulated kinase (ERK)1/2 phosphorylation, an insight into the role of the magnetic stimulation was reported, also demonstrating a strong effect due the combination of the magnetic field with PCL/Fe3O4 nanocomposites (PCL/Fe3O4 Mag).
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Natarajan S, Anitha V, Gajula GP, Thiagarajan V. Synthesis and Characterization of Magnetic Superadsorbent Fe 3O 4-PEG-Mg-Al-LDH Nanocomposites for Ultrahigh Removal of Organic Dyes. ACS OMEGA 2020; 5:3181-3193. [PMID: 32118134 PMCID: PMC7045307 DOI: 10.1021/acsomega.9b03153] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 01/30/2020] [Indexed: 05/12/2023]
Abstract
Considering the huge demands for economical and reliable eco-remediation applications, the goal of the present work is to synthesize cost-effective and functionally efficient magnetic layered nanocomposite adsorbents for the effective adsorption of dyes followed by easy separation from wastewater. This would ensure good reusability of adsorbents without altering its adsorption capacity in a relatively short time manner. To achieve this, different molecular weights of polyethylene glycol (PEG)-modified Fe3O4 combined with Mg-Al-layered double hydroxides (MAN-LDH) were synthesized and characterized using powder X-ray diffraction, Fourier transform infrared, scanning electron microscopy, transmission electron microscopy, thermogravimetric analysis, differential thermal analysis, energy-dispersive X-ray, and inductively coupled plasma optical emission spectroscopy. The efficacy of various adsorption parameters for the removal of methyl orange (MO) from water using Fe3O4-PEG-Mg-Al-LDH (FPL) adsorbents with different molecular weights of PEG (2FPL, 4FPL, and 6FPL) were investigated, and the results were compared. The maximum adsorption capacities of 2FPL, 4FPL, and 6FPL for MO were found to be 775.19, 826.44, and 833.33 mg/g, respectively. Detailed adsorption studies confirm that the higher adsorption capacity of 6FPL is due to the fast exchange of anions (NO3 -) by MO in the interlayers of MAN-LDH, larger surface area, hydrogen bonding, and electrostatic interaction between adsorbate and adsorbent. The thermodynamic data indicate that the adsorption behavior is spontaneous and endothermic in nature. The reusability of all FPL adsorbents is observed to be excellent. The MAN-LDH recoated after the 31st-cycle nanocomposites show a recovery of 100% adsorption efficiency, similar to the freshly prepared 6FPL. Such systematic studies greatly help in advancing the applications of newly functionalized nanomaterials toward eco-remediation approaches.
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Affiliation(s)
| | - Venkatesan Anitha
- School
of Chemistry, Bharathidasan University, Tiruchirappalli 620 024, India
| | | | - Viruthachalam Thiagarajan
- School
of Chemistry, Bharathidasan University, Tiruchirappalli 620 024, India
- E-mail: ; . Phone: +91-4366-2407053
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