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Singh R, Yadav D, Ingole PG, Ahn YH. Magnetic engineering nanoparticles: Versatile tools revolutionizing biomedical applications. BIOMATERIALS ADVANCES 2024; 163:213948. [PMID: 38959651 DOI: 10.1016/j.bioadv.2024.213948] [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: 05/02/2024] [Revised: 06/18/2024] [Accepted: 06/29/2024] [Indexed: 07/05/2024]
Abstract
The use of nanoparticles has increased significantly over the past few years in a number of fields, including diagnostics, biomedicine, environmental remediation, and water treatment, generating public interest. Among various types of nanoparticles, magnetic nanoparticles (MNPs) have emerged as an essential tool for biomedical applications due to their distinct physicochemical properties compared to other nanoparticles. This review article focuses on the recent growth of MNPs and comprehensively reviews the advantages, multifunctional approaches, biomedical applications, and latest research on MNPs employed in various biomedical techniques. Biomedical applications of MNPs hold on to their ability to rapidly switch magnetic states under an external field at room temperature. Ideally, these MNPs should be highly susceptible to magnetization when the field is applied and then lose that magnetization just as quickly once the field is removed. This unique property allows MNPs to generate heat when exposed to high-frequency magnetic fields, making them valuable tools in developing treatments for hyperthermia and other heat-related illnesses. This review underscores the role of MNPs as tools that hold immense promise in transforming various aspects of healthcare, from diagnostics and imaging to therapeutic treatments, with discussion on a wide range of peer-reviewed articles published on the subject. At the conclusion of this work, challenges and potential future advances of MNPs in the biomedical field are highlighted.
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Affiliation(s)
- Randeep Singh
- Department of Civil Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.
| | - Diksha Yadav
- Chemical Engineering Group, Engineering Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, Assam 785006, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Pravin G Ingole
- Chemical Engineering Group, Engineering Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, Assam 785006, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India.
| | - Young-Ho Ahn
- Department of Civil Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.
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2
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Harris DH, Torres-Díaz I. Directed assembly of small binary clusters of magnetizable ellipsoids. SOFT MATTER 2024; 20:6411-6423. [PMID: 39083371 DOI: 10.1039/d4sm00300d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
We report the effect of shape anisotropy and material properties on the directed assembly of binary suspensions composed of magnetizable ellipsoids. In a Monte Carlo simulation, we implement the ellipsoid-dipole model to calculate the pairwise dipolar interaction energy as a function of position and orientation. The analysis explores dilute suspensions of paramagnetic and diamagnetic ellipsoids with different aspect ratios in a superparamagnetic medium. We analyze the local order of binary structures as a function of particle aspect ratio, medium permeability, and dipolar interaction strength. Our results show that local order and symmetry are tunable under the influence of a uniform magnetic field when one component of the structure is dilute with respect to the other. The simulation results match previously reported experiments on the directed assembly of binary suspension of spheres. Additionally, we report the conditions on particle aspect ratios and medium properties for various structures with rotational symmetries, as well as open and enclosed structures under the influence of a uniform magnetic field.
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Affiliation(s)
- David H Harris
- Department of Chemical and Materials Engineering, The University of Alabama in Huntsville, Huntsville, AL 35899, USA.
| | - Isaac Torres-Díaz
- Department of Chemical and Materials Engineering, The University of Alabama in Huntsville, Huntsville, AL 35899, USA.
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3
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Zhang Y, Lei F, Qian W, Zhang C, Wang Q, Liu C, Ji H, Liu Z, Wang F. Designing intelligent bioorthogonal nanozymes: Recent advances of stimuli-responsive catalytic systems for biomedical applications. J Control Release 2024; 373:929-951. [PMID: 39097195 DOI: 10.1016/j.jconrel.2024.07.073] [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: 04/29/2024] [Revised: 07/28/2024] [Accepted: 07/29/2024] [Indexed: 08/05/2024]
Abstract
Bioorthogonal nanozymes have emerged as a potent tool in biomedicine due to their unique ability to perform enzymatic reactions that do not interfere with native biochemical processes. The integration of stimuli-responsive mechanisms into these nanozymes has further expanded their potential, allowing for controlled activation and targeted delivery. As such, intelligent bioorthogonal nanozymes have received more and more attention in developing therapeutic approaches. This review provides a comprehensive overview of the recent advances in the development and application of stimuli-responsive bioorthogonal nanozymes. By summarizing the design outlines for anchoring bioorthogonal nanozymes with stimuli-responsive capability, this review seeks to offer valuable insights and guidance for the rational design of these remarkable materials. This review highlights the significant progress made in this exciting field with different types of stimuli and the various applications. Additionally, it also examines the current challenges and limitations in the design, synthesis, and application of these systems, and proposes potential solutions and research directions. This review aims to stimulate further research toward the development of more efficient and versatile stimuli-responsive bioorthogonal nanozymes for biomedical applications.
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Affiliation(s)
- Yan Zhang
- Institute of Special Environmental Medicine, Nantong University, Nantong 226019, China
| | - Fang Lei
- School of Public Health, Nantong University, Nantong 226019, China
| | - Wanlong Qian
- Institute of Special Environmental Medicine, Nantong University, Nantong 226019, China
| | - Chengfeng Zhang
- Institute of Special Environmental Medicine, Nantong University, Nantong 226019, China
| | - Qi Wang
- School of Public Health, Nantong University, Nantong 226019, China
| | - Chaoqun Liu
- School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Haiwei Ji
- School of Public Health, Nantong University, Nantong 226019, China
| | - Zhengwei Liu
- Precision Immunology Institute, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York 10029, USA.
| | - Faming Wang
- School of Public Health, Nantong University, Nantong 226019, China.
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Lin C, Li L, Liu S, Chen S, Yin L, Zhao C, Gu Y, Zhang T, Zou Z. Functionalized magnetic particles coupled with LC-MS strategy facilitated discovery of trace thioalkaloids with potent immunosuppressive activity. Bioorg Chem 2024; 149:107529. [PMID: 38850780 DOI: 10.1016/j.bioorg.2024.107529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 06/10/2024]
Abstract
Trace natural products (TNPs) are still the vital source of drug development. However, the mining of novel TNPs is becoming increasingly challenging due to their low abundance and complex interference. A comprehensive strategy was proposed in which the functionalized magnetic particles integrated with LC-MS for TNPs discovery. Under the guidance of the approach, fifteen trace Nuphar alkaloids including seven new ones, cyanopumiline A sulfoxide (1), cyanopumiline C sulfoxide (8) and cyanopumilines A-E (4-5, 10, 12-13) featuring an undescribed nitrile-containing 6/6/5/6/6 pentacyclic ring system were isolated from the rhizomes of Nuphar pumila. Their structures and absolute configurations were determined on the basis of detailed spectroscopic data analysis and single-crystal X-ray diffraction analysis. Notably, a concise method based on 13C NMR spectroscopy was established to determine the relative configurations of spiroatoms. Biologically, compounds 1-12 exhibited potent immunosuppressive activities with IC50 values ranging from 0.1-12.1 μM against anti-CD3/CD28 induced human peripheral T cell proliferation. Mechanistic studies revealed that 4 could dose-dependently decrease pro-inflammatory cytokines and the expression levels of CD25 and CD71.
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Affiliation(s)
- Chunyu Lin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Lingyu Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Shuai Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Shilin Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Luying Yin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Chenxu Zhao
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Yucheng Gu
- Syngenta, Jealott's Hill International Research Centre, Berkshire RE42 6EY, U.K
| | - Tao Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
| | - Zhongmei Zou
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
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Ibrahim HM, Mohammed GM, Sayed RH, Elshoky HA, Ahmed MM, El Sayed MF, Elsaady SA. Polymeric nanocarrier-based adjuvants to enhance a locally produced mucosal coryza vaccine in chicken. Sci Rep 2024; 14:15262. [PMID: 38961116 PMCID: PMC11222434 DOI: 10.1038/s41598-024-65267-y] [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: 10/27/2023] [Accepted: 06/18/2024] [Indexed: 07/05/2024] Open
Abstract
Infectious coryza (IC) is an acute upper respiratory disease of chicken caused by Avibacterium (A.) paragallinarum. This disease results in an increased culling rate in meat chicken and a marked decrease in egg production (10% to more than 40%) in laying and breeding hens. Vaccines were first used against IC and effectively controlled the disease. Nanotechnology provides an excellent way to develop a new generation of vaccines. NPs have been widely used in vaccine design as adjuvants and antigen delivery vehicles and as antibacterial agents; thus, they can be used as inactivators for bacterial culture. In this research, the antibacterial effects of several nanoparticles (NPs), such as silicon dioxide with chitosan (SiO2-CS), oleoyl-chitosan (O.CS), silicon dioxide (SiO2), and iron oxide (Fe3O4), on A. paragallinarum were studied. Additionally, different A. paragallinarum vaccines were made using the same nanomaterials at a concentration of 400 µg/ml to help control infectious coryza disease in chicken. A concentration of 400 µg/ml of all the NPs tested was the best concentration for the inactivation of A. paragallinarum. Additionally, this study showed that the infectious coryza vaccine adjuvanted with SiO2 NPs had the highest immune response, followed by the infectious coryza vaccine adjuvanted with Fe3O4 NPs, the infectious coryza vaccine adjuvanted with SiO2-CS NPs, and the infectious coryza vaccine adjuvanted with O.CS NPs in comparison with the infectious coryza vaccine adjuvanted with liquid paraffin (a commercial vaccine).
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Affiliation(s)
- Hazem M Ibrahim
- Veterinary Serum and Vaccine Research Institute (VSVRI), Agricultural Research Center (ARC), Cairo, Egypt
| | - Gina M Mohammed
- Central Laboratory for Evaluation of Veterinary Biologics (CLEVB), Agricultural Research Center (ARC), Cairo, Egypt
| | - Rafik Hamed Sayed
- Central Laboratory for Evaluation of Veterinary Biologics (CLEVB), Agricultural Research Center (ARC), Cairo, Egypt
| | - Hisham A Elshoky
- Nanotechnology and Advanced Materials Central Lab, Agricultural Research Center, Giza, Egypt.
- Regional Center for Food and Feed, Agricultural Research Center, Giza, Egypt.
| | - Marwa M Ahmed
- Veterinary Serum and Vaccine Research Institute (VSVRI), Agricultural Research Center (ARC), Cairo, Egypt
| | - Marwa Fathy El Sayed
- Central Laboratory for Evaluation of Veterinary Biologics (CLEVB), Agricultural Research Center (ARC), Cairo, Egypt
| | - Shaimaa Abdelall Elsaady
- Central Laboratory for Evaluation of Veterinary Biologics (CLEVB), Agricultural Research Center (ARC), Cairo, Egypt
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Curti L, Prado Y, Michel A, Talbot D, Baptiste B, Otero E, Ohresser P, Journaux Y, Cartier-Dit-Moulin C, Dupuis V, Fleury B, Sainctavit P, Arrio MA, Fresnais J, Lisnard L. Room-temperature-persistent magnetic interaction between coordination complexes and nanoparticles in maghemite-based nanohybrids. NANOSCALE 2024; 16:10607-10617. [PMID: 38758111 DOI: 10.1039/d4nr01220h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Maghemite nanoparticles functionalised with Co(II) coordination complexes at their surface show a significant increase of their magnetic anisotropy, leading to a doubling of the blocking temperature and a sixfold increase of the coercive field. Magnetometric studies suggest an enhancement that is not related to surface disordering, and point to a molecular effect involving magnetic exchange interactions mediated by the oxygen atoms at the interface as its source. Field- and temperature-dependent X-ray absorption spectroscopy (XAS) and X-ray magnetic circular dichroism (XMCD) studies show that the magnetic anisotropy enhancement is not limited to surface atoms and involves the core of the nanoparticle. These studies also point to a mechanism driven by anisotropic exchange and confirm the strength of the magnetic exchange interactions. The coupling between the complex and the nanoparticle persists at room temperature. Simulations based on the XMCD data give an effective exchange field value through the oxido coordination bridge between the Co(II) complex and the nanoparticle that is comparable to the exchange field between iron ions in bulk maghemite. Further evidence of the effectiveness of the oxido coordination bridge in mediating the magnetic interaction at the interface is given with the Ni(II) analog to the Co(II) surface-functionalised nanoparticles. A substrate-induced magnetic response is observed for the Ni(II) complexes, up to room temperature.
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Affiliation(s)
- Leonardo Curti
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, F-75005, Paris, France.
| | - Yoann Prado
- Sorbonne Université, CNRS, Laboratoire de Physicochimie des Électrolytes et Nanosystèmes interfaciaux, PHENIX, F-75005, France.
| | - Aude Michel
- Sorbonne Université, CNRS, Laboratoire de Physicochimie des Électrolytes et Nanosystèmes interfaciaux, PHENIX, F-75005, France.
| | - Delphine Talbot
- Sorbonne Université, CNRS, Laboratoire de Physicochimie des Électrolytes et Nanosystèmes interfaciaux, PHENIX, F-75005, France.
| | - Benoît Baptiste
- CNRS, Sorbonne Université, IRD, MNHN, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie, IMPMC, F-75005, Paris, France.
| | - Edwige Otero
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - Philippe Ohresser
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - Yves Journaux
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, F-75005, Paris, France.
| | | | - Vincent Dupuis
- Sorbonne Université, CNRS, Laboratoire de Physicochimie des Électrolytes et Nanosystèmes interfaciaux, PHENIX, F-75005, France.
| | - Benoit Fleury
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, F-75005, Paris, France.
| | - Philippe Sainctavit
- CNRS, Sorbonne Université, IRD, MNHN, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie, IMPMC, F-75005, Paris, France.
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192 Gif-sur-Yvette, France
| | - Marie-Anne Arrio
- CNRS, Sorbonne Université, IRD, MNHN, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie, IMPMC, F-75005, Paris, France.
| | - Jérôme Fresnais
- Sorbonne Université, CNRS, Laboratoire de Physicochimie des Électrolytes et Nanosystèmes interfaciaux, PHENIX, F-75005, France.
| | - Laurent Lisnard
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, F-75005, Paris, France.
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7
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Milewska S, Sadowska A, Stefaniuk N, Misztalewska-Turkowicz I, Wilczewska AZ, Car H, Niemirowicz-Laskowska K. Tumor-Homing Peptides as Crucial Component of Magnetic-Based Delivery Systems: Recent Developments and Pharmacoeconomical Perspective. Int J Mol Sci 2024; 25:6219. [PMID: 38892406 PMCID: PMC11172452 DOI: 10.3390/ijms25116219] [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: 04/10/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
According to data from the World Health Organization (WHO), cancer is considered to be one of the leading causes of death worldwide, and new therapeutic approaches, especially improved novel cancer treatment regimens, are in high demand. Considering that many chemotherapeutic drugs tend to have poor pharmacokinetic profiles, including rapid clearance and limited on-site accumulation, a combined approach with tumor-homing peptide (THP)-functionalized magnetic nanoparticles could lead to remarkable improvements. This is confirmed by an increasing number of papers in this field, showing that the on-target peptide functionalization of magnetic nanoparticles improves their penetration properties and ensures tumor-specific binding, which results in an increased clinical response. This review aims to highlight the potential applications of THPs in combination with magnetic carriers across various fields, including a pharmacoeconomic perspective.
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Affiliation(s)
- Sylwia Milewska
- Department of Experimental Pharmacology, Medical University of Bialystok, Szpitalna 37, 15-295 Bialystok, Poland; (S.M.); (A.S.); (N.S.); (H.C.)
| | - Anna Sadowska
- Department of Experimental Pharmacology, Medical University of Bialystok, Szpitalna 37, 15-295 Bialystok, Poland; (S.M.); (A.S.); (N.S.); (H.C.)
| | - Natalia Stefaniuk
- Department of Experimental Pharmacology, Medical University of Bialystok, Szpitalna 37, 15-295 Bialystok, Poland; (S.M.); (A.S.); (N.S.); (H.C.)
| | | | - Agnieszka Z. Wilczewska
- Faculty of Chemistry, University of Bialystok, Ciolkowskiego 1K, 15-245 Bialystok, Poland; (I.M.-T.); (A.Z.W.)
| | - Halina Car
- Department of Experimental Pharmacology, Medical University of Bialystok, Szpitalna 37, 15-295 Bialystok, Poland; (S.M.); (A.S.); (N.S.); (H.C.)
| | - Katarzyna Niemirowicz-Laskowska
- Department of Experimental Pharmacology, Medical University of Bialystok, Szpitalna 37, 15-295 Bialystok, Poland; (S.M.); (A.S.); (N.S.); (H.C.)
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Wang M, Wang Y, Fu Q. Magneto-optical nanosystems for tumor multimodal imaging and therapy in-vivo. Mater Today Bio 2024; 26:101027. [PMID: 38525310 PMCID: PMC10959709 DOI: 10.1016/j.mtbio.2024.101027] [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: 01/19/2024] [Revised: 03/11/2024] [Accepted: 03/13/2024] [Indexed: 03/26/2024] Open
Abstract
Multimodal imaging, which combines the strengths of two or more imaging modalities to provide complementary anatomical and molecular information, has emerged as a robust technology for enhancing diagnostic sensitivity and accuracy, as well as improving treatment monitoring. Moreover, the application of multimodal imaging in guiding precision tumor treatment can prevent under- or over-treatment, thereby maximizing the benefits for tumor patients. In recent years, several intriguing magneto-optical nanosystems with both magnetic and optical properties have been developed, leading to significant breakthroughs in the field of multimodal imaging and image-guided tumor therapy. These advancements pave the way for precise tumor medicine. This review summarizes various types of magneto-optical nanosystems developed recently and describes their applications as probes for multimodal imaging and agents for image-guided therapeutic interventions. Finally, future research and development prospects of magneto-optical nanosystems are discussed along with an outlook on their further applications in the biomedical field.
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Affiliation(s)
- Mengzhen Wang
- Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Yin Wang
- Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Maternal and Child Health Care Hospital of Shandong Province Affiliated to Qingdao University, Qingdao University, Jinan, 250014, China
- Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Qinrui Fu
- Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Maternal and Child Health Care Hospital of Shandong Province Affiliated to Qingdao University, Qingdao University, Jinan, 250014, China
- Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, 266021, China
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Féron A, Catrouillet S, Sene S, Félix G, Benkhaled BT, Lapinte V, Guari Y, Larionova J. Magnetic Iron Oxide Nanoparticles Coated by Coumarin-Bound Copolymer for Enhanced Magneto- and Photothermal Heating and Luminescent Thermometry. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:906. [PMID: 38869530 PMCID: PMC11173931 DOI: 10.3390/nano14110906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 05/16/2024] [Accepted: 05/18/2024] [Indexed: 06/14/2024]
Abstract
In this work, we report on the synthesis and investigation of new hybrid multifunctional iron oxide nanoparticles (IONPs) coated by coumarin-bound copolymer, which combine magneto- or photothermal heating with luminescent thermometry. A series of amphiphilic block copolymers, including Coum-C11-PPhOx27-PMOx59 and Coum-C11-PButOx8-PMOx42 bearing luminescent and photodimerizable coumarin moiety, as well as coumarin-free PPhOx27-PMOx57, were evaluated for their utility as luminescent thermometers and for encapsulating spherical 26 nm IONPs. The obtained IONP@Coum-C11-PPhOx27-PMOx59 nano-objects are perfectly dispersible in water and able to provide macroscopic heating remotely triggered by an alternating current magnetic field (AMF) with a specific absorption rate (SAR) value of 240 W.g-1 or laser irradiation with a photothermal conversion efficiency of η = 68%. On the other hand, they exhibit temperature-dependent emission of coumarin offering the function of luminescent thermometer, which operates in the visible region between 20 °C and 60 °C in water displaying a maximal relative thermal sensitivity (Sr) of 1.53%·°C-1 at 60 °C.
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Affiliation(s)
| | - Sylvain Catrouillet
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; (A.F.); (S.S.); (G.F.); (B.T.B.); (V.L.)
| | | | | | | | | | - Yannick Guari
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; (A.F.); (S.S.); (G.F.); (B.T.B.); (V.L.)
| | - Joulia Larionova
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; (A.F.); (S.S.); (G.F.); (B.T.B.); (V.L.)
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10
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Hassani Nouriyeh M, Afshar Mogaddam MR, Nemati M, Farajzadeh MA, Abbasalizadeh A, Shahedi Hojghan A. Development of dispersive solid phase extraction based on magnetic metal organic framework for the extraction of sunitinib in biological samples and its determination by high performance liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1239:124109. [PMID: 38636134 DOI: 10.1016/j.jchromb.2024.124109] [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: 11/25/2023] [Revised: 03/16/2024] [Accepted: 03/27/2024] [Indexed: 04/20/2024]
Abstract
Herein, a simple, sensitive, and reliable dispersive solid phase extraction was reported for the efficient extraction of sunitinib from biological samples. To facilitate the extraction of the desired analyte from urine and plasma samples, magnetic MIL-101Cr (NH2) @SiO2 @ NiFe2O4 was synthesized by a hydrothermal method and applied as an effective sorbent during the extraction process. After adsorption of the drug using 10 mg of MIL-101Cr (NH2) @ SiO2 @ NiFe2O4 nanoparticles through vortexing (1 min), the sorbent was separatedfrom the sample solution using a magnet. To eluate the drug, the sorbent containing the sunitinib was contacted with 100 µL dimethylformamide. The eluent was analyzed by high performance liquid chromatography-tandem mass spectrometry. Reasonable validation data consisting of low limits of detection (0.14, 0.35, and 0.70 ng mL-1 in deionized water, plasma, and urine) and quantification (0.48, 1.2, and 2.4 ng mL-1 in deionized water, plasma, and urine, respectively), a wide linear range of the calibration curve (0.48-200, 1.2-200, and 2.4-100 ng mL-1 in deionized water, plasma, and urine, respectively) good extraction recovery (76 %), and low relative standard deviations for inter- and intra-day precisions (6.9 %) were obtained by the method. Eventually, the proposed procedure was effectively implemented on both plasma and urine samples, yielding successful outcomes.
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Affiliation(s)
- Mandana Hassani Nouriyeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Pharmaceutics and Food Department, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Reza Afshar Mogaddam
- Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mahboob Nemati
- Pharmaceutics and Food Department, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran; Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mir Ali Farajzadeh
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran; Engineering Faculty, Near East University, 99138 Nicosia, North Cyprus, Mersin 10, Turkey
| | - Aysa Abbasalizadeh
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Ali Shahedi Hojghan
- Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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11
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Castelo-Grande T, Augusto PA, Gomes L, Lopes ARC, Araújo JP, Barbosa D. Economic and Accessible Portable Homemade Magnetic Hyperthermia System: Influence of the Shape, Characteristics and Type of Nanoparticles in Its Effectiveness. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2279. [PMID: 38793346 PMCID: PMC11123042 DOI: 10.3390/ma17102279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 04/24/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024]
Abstract
Currently, one of the main causes of death in the world is cancer; therefore, it is urgent to obtain a precocious diagnosis, as well as boost research and development of new potential treatments, which should be more efficient and much less invasive for the patient. Magnetic hyperthermia (MH) is an emerging cancer therapy using nanoparticles, which has proved to be effective when combined with chemotherapy, radiotherapy and/or surgery, or even by itself, depending on the type and location of the tumor's cells. This article presents the results obtained by using a previously developed economic homemade hyperthermia device with different types of magnetite nanoparticles, with sizes ranging between 12 ± 5 and 36 ± 11 nm and presenting different shapes (spherical and cubic particles). These magnetic nanoparticles (MNPs) were synthesized by three different methods (co-precipitation, solvothermal and hydrothermal processes), with their final form being naked, or possessing different kinds of covering layers (polyethylene glycol (PEG) or citric acid (CA)). The parameters used to characterize the heating by magnetic hyperthermia, namely the Specific Absorption Rate (SAR) and the intrinsic loss power (ILP), have been obtained by two different methods. Among other results, these experiments allowed for the determination of which synthesized MNPs showed the best performance concerning hyperthermia. From the results, it may be concluded that, as expected, the shape of MNPs is an important factor, as well as the time that the MNPs can remain suspended in solution (which is directly related to the concentration and covering layer of the MNPs). The MNPs that gave the best results in terms of the SAR were the cubic particles covered with PEG, while in terms of total heating the spherical particles covered with citric acid proved to be better.
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Affiliation(s)
- Teresa Castelo-Grande
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (A.R.C.L.); (D.B.)
| | - Paulo A. Augusto
- Instituto de Biología Molecular y Celular del Cáncer, CSIC/Universidad de Salamanca (GIR Citómica), 37001 Salamanca, Spain;
- CEADIR—Centro de Estudios Ambientales y Dinamización Rural, Universidad de Salamanca, 37008 Salamanca, Spain
| | - Lobinho Gomes
- Faculdade de Ciências Naturais, Engenharias e Tecnologias, Universidade Lusófona do Porto, 4000-098 Porto, Portugal
| | - Ana Rita Castro Lopes
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (A.R.C.L.); (D.B.)
| | - João Pedro Araújo
- IFIMUP—Institute of Physics for Advanced Materials, Nanotechnology and Photonics, Physics Department, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Domingos Barbosa
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (A.R.C.L.); (D.B.)
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12
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Urbano-Gámez JD, Guzzi C, Bernal M, Solivera J, Martínez-Zubiaurre I, Caro C, García-Martín ML. Tumor versus Tumor Cell Targeting in Metal-Based Nanoparticles for Cancer Theranostics. Int J Mol Sci 2024; 25:5213. [PMID: 38791253 PMCID: PMC11121233 DOI: 10.3390/ijms25105213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/05/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
The application of metal-based nanoparticles (mNPs) in cancer therapy and diagnostics (theranostics) has been a hot research topic since the early days of nanotechnology, becoming even more relevant in recent years. However, the clinical translation of this technology has been notably poor, with one of the main reasons being a lack of understanding of the disease and conceptual errors in the design of mNPs. Strikingly, throughout the reported studies to date on in vivo experiments, the concepts of "tumor targeting" and "tumor cell targeting" are often intertwined, particularly in the context of active targeting. These misconceptions may lead to design flaws, resulting in failed theranostic strategies. In the context of mNPs, tumor targeting can be described as the process by which mNPs reach the tumor mass (as a tissue), while tumor cell targeting refers to the specific interaction of mNPs with tumor cells once they have reached the tumor tissue. In this review, we conduct a critical analysis of key challenges that must be addressed for the successful targeting of either tumor tissue or cancer cells within the tumor tissue. Additionally, we explore essential features necessary for the smart design of theranostic mNPs, where 'smart design' refers to the process involving advanced consideration of the physicochemical features of the mNPs, targeting motifs, and physiological barriers that must be overcome for successful tumor targeting and/or tumor cell targeting.
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Affiliation(s)
- Jesús David Urbano-Gámez
- Biomedical Magnetic Resonance Laboratory—BMRL, Andalusian Public Foundation Progress and Health—FPS, 41092 Seville, Spain; (J.D.U.-G.); (C.G.)
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina–IBIMA Plataforma BIONAND, C/Severo Ochoa, 35, 29590 Malaga, Spain;
| | - Cinzia Guzzi
- Biomedical Magnetic Resonance Laboratory—BMRL, Andalusian Public Foundation Progress and Health—FPS, 41092 Seville, Spain; (J.D.U.-G.); (C.G.)
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina–IBIMA Plataforma BIONAND, C/Severo Ochoa, 35, 29590 Malaga, Spain;
| | - Manuel Bernal
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina–IBIMA Plataforma BIONAND, C/Severo Ochoa, 35, 29590 Malaga, Spain;
- Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, Universidad de Málaga, Andalucía Tech, 29071 Malaga, Spain
| | - Juan Solivera
- Department of Neurosurgery, Reina Sofia University Hospital, 14004 Cordoba, Spain;
| | - Iñigo Martínez-Zubiaurre
- Department of Clinical Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, P.O. Box 6050, Langnes, 9037 Tromsö, Norway;
| | - Carlos Caro
- Biomedical Magnetic Resonance Laboratory—BMRL, Andalusian Public Foundation Progress and Health—FPS, 41092 Seville, Spain; (J.D.U.-G.); (C.G.)
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina–IBIMA Plataforma BIONAND, C/Severo Ochoa, 35, 29590 Malaga, Spain;
| | - María Luisa García-Martín
- Biomedical Magnetic Resonance Laboratory—BMRL, Andalusian Public Foundation Progress and Health—FPS, 41092 Seville, Spain; (J.D.U.-G.); (C.G.)
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina–IBIMA Plataforma BIONAND, C/Severo Ochoa, 35, 29590 Malaga, Spain;
- Biomedical Research Networking Center in Bioengineering, Biomaterials & Nanomedicine (CIBER-BBN), 28029 Madrid, Spain
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13
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Cagli E, Klemm A, Ali A, Gai Z, Unocic KA, Kidder MK, Gurkan B. Tuning Surface, Phase, and Magnetization of Superparamagnetic Magnetite by Ionic Liquids: Single-Step Microwave-Assisted Synthesis. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38602421 DOI: 10.1021/acsami.4c02000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Achieving colloidal and chemical stability in ferrofluids by surface modification requires multiple steps, including purification, ex situ modification steps, and operation at high temperatures. In this study, a single-step microwave-assisted methodology is developed for iron oxide nanoparticle (IONP) synthesis utilizing a series of imidazolium-based ionic liquids (ILs) with chloride, bis(trifluoromethylsulfonyl)imide, and pyrrolide anions as the reaction media, thus eliminating the use of volatile organics while enabling rapid synthesis at 80 °C as well as in situ surface functionalization. The characterized surface functionality, hydrodynamic particle size, magnetization, and colloidal stability of the IONPs demonstrate a strong dependence on the IL structure, ion coordination strength, reactivity, and hydrophilicity. The IONPs present primarily a magnetite (Fe3O4) phase with superparamagnetism with the highest saturation magnetization at 81 and 73 emu/g at 10 and 300 K, respectively. Depending on the IL coating, magnetization and exchange anisotropy decrease by 20 and 2-3 emu/g (at 35 wt % IL), respectively, but still represent the highest magnetization achieved for coated IONPs by a coprecipitation method. Further, the surface-functionalized superparamagnetic magnetite nanoparticles show good dispersibility and colloidal stability in water and dimethyl sulfoxide at 0.1 mg/mL concentration over the examined 3 month period. This study reports on the intermolecular and chemical interactions between the particle surface and the ILs under synthetic conditions as they relate to the magnetic and thermal properties of the resulting IONPs that are well suited for a variety of applications, including separation and catalysis.
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Affiliation(s)
- Eda Cagli
- Department of Chemical and Biomolecular Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Aidan Klemm
- Department of Chemical and Biomolecular Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Adam Ali
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Zheng Gai
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Kinga A Unocic
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Michelle K Kidder
- Energy Science and Technology Directorate, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Burcu Gurkan
- Department of Chemical and Biomolecular Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
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14
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Kwon H, Yang Y, Kim G, Gim D, Ha M. Anisotropy in magnetic materials for sensors and actuators in soft robotic systems. NANOSCALE 2024; 16:6778-6819. [PMID: 38502047 DOI: 10.1039/d3nr05737b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
The field of soft intelligent robots has rapidly developed, revealing extensive potential of these robots for real-world applications. By mimicking the dexterities of organisms, robots can handle delicate objects, access remote areas, and provide valuable feedback on their interactions with different environments. For autonomous manipulation of soft robots, which exhibit nonlinear behaviors and infinite degrees of freedom in transformation, innovative control systems integrating flexible and highly compliant sensors should be developed. Accordingly, sensor-actuator feedback systems are a key strategy for precisely controlling robotic motions. The introduction of material magnetism into soft robotics offers significant advantages in the remote manipulation of robotic operations, including touch or touchless detection of dynamically changing shapes and positions resulting from the actuations of robots. Notably, the anisotropies in the magnetic nanomaterials facilitate the perception and response with highly selective, directional, and efficient ways used for both sensors and actuators. Accordingly, this review provides a comprehensive understanding of the origins of magnetic anisotropy from both intrinsic and extrinsic factors and summarizes diverse magnetic materials with enhanced anisotropy. Recent developments in the design of flexible sensors and soft actuators based on the principle of magnetic anisotropy are outlined, specifically focusing on their applicabilities in soft robotic systems. Finally, this review addresses current challenges in the integration of sensors and actuators into soft robots and offers promising solutions that will enable the advancement of intelligent soft robots capable of efficiently executing complex tasks relevant to our daily lives.
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Affiliation(s)
- Hyeokju Kwon
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea.
| | - Yeonhee Yang
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea.
| | - Geonsu Kim
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea.
| | - Dongyeong Gim
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea.
| | - Minjeong Ha
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea.
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15
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Ge X, Mohapatra J, Silva E, He G, Gong L, Lyu T, Madhogaria RP, Zhao X, Cheng Y, Al-Enizi AM, Nafady A, Tian J, Liu JP, Phan MH, Taraballi F, Pettigrew RI, Ma S. Metal-Organic Framework as a New Type of Magnetothermally-Triggered On-Demand Release Carrier. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306940. [PMID: 38127968 DOI: 10.1002/smll.202306940] [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: 08/13/2023] [Revised: 11/03/2023] [Indexed: 12/23/2023]
Abstract
The development of external stimuli-controlled payload systems has been sought after with increasing interest toward magnetothermally-triggered drug release (MTDR) carriers due to their non-invasive features. However, current MTDR carriers present several limitations, such as poor heating efficiency caused by the aggregation of iron oxide nanoparticles (IONPs) or the presence of antiferromagnetic phases which affect their efficiency. Herein, a novel MTDR carrier is developed using a controlled encapsulation method that fully fixes and confines IONPs of various sizes within the metal-organic frameworks (MOFs). This novel carrier preserves the MOF's morphology, porosity, and IONP segregation, while enhances heating efficiency through the oxidation of antiferromagnetic phases in IONPs during encapsulation. It also features a magnetothermally-responsive nanobrush that is stimulated by an alternating magnetic field to enable on-demand drug release. The novel carrier shows improved heating, which has potential applications as contrast agents and for combined chemo and magnetic hyperthermia therapy. It holds a great promise for magneto-thermally modulated drug dosing at tumor sites, making it an exciting avenue for cancer treatment.
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Affiliation(s)
- Xueying Ge
- Department of Chemistry, University of North Texas, Denton, Texas, 76201, USA
- Engineering Medicine (EnMed), Texas A&M University and Houston Methodist Hospital, Houston, Texas, 77030, USA
| | - Jeotikanta Mohapatra
- Department of Physics, The University of Texas at Arlington, Arlington, Texas, 76019, USA
| | - Enya Silva
- Department of Physics, University of South Florida, Tampa, Florida, 33620, USA
| | - Guihua He
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE), Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, P. R. China
| | - Lingshan Gong
- Department of Chemistry, University of North Texas, Denton, Texas, 76201, USA
| | - Tengteng Lyu
- Department of Chemistry, University of North Texas, Denton, Texas, 76201, USA
| | - Richa P Madhogaria
- Department of Physics, University of South Florida, Tampa, Florida, 33620, USA
| | - Xin Zhao
- J. Mike Walker '66 Department of Mechanical Engineering, Texas A&M University, College Station, TX, 77843, USA
| | - Yuchuan Cheng
- Zhejiang Key Laboratory of Additive Manufacturing Materials, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Abdullah M Al-Enizi
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Ayman Nafady
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Jian Tian
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE), Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, P. R. China
| | - J Ping Liu
- Department of Physics, The University of Texas at Arlington, Arlington, Texas, 76019, USA
| | - Manh-Huong Phan
- Department of Physics, University of South Florida, Tampa, Florida, 33620, USA
| | - Francesca Taraballi
- Center for Musculoskeletal Regeneration, Orthopedics and Sports Medicine, Houston Methodist Hospital, Houston Methodist Academic Institute, Houston, Texas, 77030, USA
| | - Roderic I Pettigrew
- Engineering Medicine (EnMed), Texas A&M University and Houston Methodist Hospital, Houston, Texas, 77030, USA
| | - Shengqian Ma
- Department of Chemistry, University of North Texas, Denton, Texas, 76201, USA
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16
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Schoske L, Lübkemann-Warwas F, Morales I, Wesemann C, Eckert JG, Graf RT, Bigall NC. Magnetic aerogels from FePt and CoPt 3 directly from organic solution. NANOSCALE 2024; 16:4229-4238. [PMID: 38345355 DOI: 10.1039/d3nr05892a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Here the synthesis of magnetic aerogels from iron platinum and cobalt platinum nanoparticles is presented. The use of hydrazine monohydrate as destabilizing agent triggers the gelation directly from organic solution, and therefore a phase transfer to aqueous media prior to the gelation is not necessary. The aerogels were characterized through Transmission Electron Microscopy, Scanning Electron Microscopy, Powder X-Ray Diffraction Analysis and Argon Physisorption measurements to prove the formation of a porous network and define their compositions. Additionally, magnetization measurements in terms of hysteresis cycles at 5 K and 300 K (M-H-curves) as well as zero field cooled-field cooled measurements (ZFC-FC measurements) of the dried colloids and the respective xero- and aerogels were performed, in order to analyze the influence of the gelation process and the network structure on the magnetic properties.
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Affiliation(s)
- L Schoske
- Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Callinstr. 3a, 30167 Hannover, Germany.
- Cluster of Excellence PhoenixD (Photonics, Optics and Engineering- Innovation Across Disciplines), Leibniz University Hannover, 30167 Hannover, Germany
- Institute of Physical Chemistry, University of Hamburg, Grindelallee 117, 20146 Hamburg, Germany
- The Hamburg Centre for Ultrafast Imaging, Hamburg, Germany
| | - F Lübkemann-Warwas
- Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Callinstr. 3a, 30167 Hannover, Germany.
- Cluster of Excellence PhoenixD (Photonics, Optics and Engineering- Innovation Across Disciplines), Leibniz University Hannover, 30167 Hannover, Germany
| | - I Morales
- Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Callinstr. 3a, 30167 Hannover, Germany.
- Cluster of Excellence PhoenixD (Photonics, Optics and Engineering- Innovation Across Disciplines), Leibniz University Hannover, 30167 Hannover, Germany
| | - C Wesemann
- Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Callinstr. 3a, 30167 Hannover, Germany.
| | - J G Eckert
- Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Callinstr. 3a, 30167 Hannover, Germany.
- School of Additive Manufacturing, Ministry for Science and Culture of Lower Saxony, Hannover, Germany
| | - R T Graf
- Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Callinstr. 3a, 30167 Hannover, Germany.
- Laboratory of Nano and Quantum Engineering, Leibniz University Hannover, Schneiderberg 39, 30167 Hannover, Germany
| | - N C Bigall
- Institute of Physical Chemistry and Electrochemistry, Leibniz University Hannover, Callinstr. 3a, 30167 Hannover, Germany.
- Cluster of Excellence PhoenixD (Photonics, Optics and Engineering- Innovation Across Disciplines), Leibniz University Hannover, 30167 Hannover, Germany
- School of Additive Manufacturing, Ministry for Science and Culture of Lower Saxony, Hannover, Germany
- Laboratory of Nano and Quantum Engineering, Leibniz University Hannover, Schneiderberg 39, 30167 Hannover, Germany
- Institute of Physical Chemistry, University of Hamburg, Grindelallee 117, 20146 Hamburg, Germany
- The Hamburg Centre for Ultrafast Imaging, Hamburg, Germany
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17
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Sanz-de Diego E, Aires A, Palacios-Alonso P, Cabrera D, Silvestri N, Vequi-Suplicy CC, Artés-Ibáñez EJ, Requejo-Isidro J, Delgado-Buscalioni R, Pellegrino T, Cortajarena AL, Terán FJ. Multiparametric modulation of magnetic transduction for biomolecular sensing in liquids. NANOSCALE 2024; 16:4082-4094. [PMID: 38348700 DOI: 10.1039/d3nr06489a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
The recent COVID19 pandemic has remarkably boosted the research on in vitro diagnosis assays to detect biomarkers in biological fluids. Specificity and sensitivity are mandatory for diagnostic kits aiming to reach clinical stages. Whilst the modulation of sensitivity can significantly improve the detection of biomarkers in liquids, this has been scarcely explored. Here, we report on the proof of concept and parametrization of a novel biosensing methodology based on the changes of AC magnetic hysteresis areas observed for magnetic nanoparticles following biomolecular recognition in liquids. Several parameters are shown to significantly modulate the transducing capacity of magnetic nanoparticles to detect analytes dispersed in saline buffer at concentrations of clinical relevance. Magnetic nanoparticles were bio-conjugated with an engineered recognition peptide as a receptor. Analytes are engineered tetratricopeptide binding domains fused to the fluorescent protein whose dimerization state allows mono- or divalent variants. Our results unveil that the number of receptors per particle, analyte valency and concentration, nanoparticle composition and concentration, and field conditions play a key role in the formation of assemblies driven by biomolecular recognition. Consequently, all these parameters modulate the nanoparticle transduction capacity. Our study provides essential insights into the potential of AC magnetometry for customizing biomarker detection in liquids.
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Affiliation(s)
- Elena Sanz-de Diego
- iMdea Nanociencia, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain.
| | - Antonio Aires
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo de Miramón 194, 20014, Donostia-San Sebastián, Spain.
| | | | - David Cabrera
- iMdea Nanociencia, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain.
- School of Pharmacy and Bioengineering, Keele University, Guy Hilton Research Centre, Thurnburrow Drive, ST4 7QB, Stoke on Trent, UK
| | | | | | - Emilio J Artés-Ibáñez
- iMdea Nanociencia, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain.
- Nanotech Solutions, 40150 Villacastín, Spain
| | - José Requejo-Isidro
- Centro Nacional de Biotecnologia (CSIC), 28049 Madrid, Spain
- Nanobiotecnología (iMdea-Nanociencia), Unidad Asociada al Centro Nacional de Biotecnología (CSIC), 28049 Madrid, Spain
| | | | | | - Aitziber L Cortajarena
- iMdea Nanociencia, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain.
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo de Miramón 194, 20014, Donostia-San Sebastián, Spain.
- Ikerbasque, Basque Foundation for Science, Bilbao, Spain
| | - Francisco J Terán
- iMdea Nanociencia, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain.
- Nanobiotecnología (iMdea-Nanociencia), Unidad Asociada al Centro Nacional de Biotecnología (CSIC), 28049 Madrid, Spain
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18
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Zhao R, Gao T, Li Y, Sun Z, Zhang Z, Ji L, Hu C, Liu X, Zhang Z, Zhang X, Qin G. Highly anisotropic Fe 3C microflakes constructed by solid-state phase transformation for efficient microwave absorption. Nat Commun 2024; 15:1497. [PMID: 38374257 PMCID: PMC10876570 DOI: 10.1038/s41467-024-45815-w] [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: 03/14/2023] [Accepted: 01/30/2024] [Indexed: 02/21/2024] Open
Abstract
Soft magnetic materials with flake geometry can provide shape anisotropy for breaking the Snoek limit, which is promising for achieving high-frequency ferromagnetic resonances and microwave absorption properties. Here, two-dimensional (2D) Fe3C microflakes with crystal orientation are obtained by solid-state phase transformation assisted by electrochemical dealloying. The shape anisotropy can be further regulated by manipulating the thickness of 2D Fe3C microflakes under different isothermally quenching temperatures. Thus, the resonant frequency is adjusted effectively from 9.47 and 11.56 GHz under isothermal quenching from 700 °C to 550 °C. The imaginary part of the complex permeability can reach 0.9 at 11.56 GHz, and the minimum reflection loss (RLmin) is -52.09 dB (15.85 GHz, 2.90 mm) with an effective absorption bandwidth (EAB≤-10 dB) of 2.55 GHz. This study provides insight into the preparation of high-frequency magnetic loss materials for obtaining high-performance microwave absorbers and achieves the preparation of functional materials from traditional structural materials.
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Affiliation(s)
- Rongzhi Zhao
- Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
- Key Laboratory for Anisotropy and Texture of Materials (MOE), School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China
| | - Tong Gao
- Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
- Key Laboratory for Anisotropy and Texture of Materials (MOE), School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China
| | - Yixing Li
- Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China.
- Key Laboratory for Anisotropy and Texture of Materials (MOE), School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China.
| | - Zhuo Sun
- Key Laboratory for Anisotropy and Texture of Materials (MOE), School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China
| | - Zhengyu Zhang
- Key Laboratory for Anisotropy and Texture of Materials (MOE), School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China
| | - Lianze Ji
- Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
| | - Chenglong Hu
- Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
| | - Xiaolian Liu
- Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
| | - Zhenhua Zhang
- Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
| | - Xuefeng Zhang
- Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China.
- Key Laboratory for Anisotropy and Texture of Materials (MOE), School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China.
| | - Gaowu Qin
- Key Laboratory for Anisotropy and Texture of Materials (MOE), School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China
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19
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Galati S, Vassallo M, Vicentini M, Vallino M, Celegato F, Barrera G, Martella D, Olivetti ES, Sacco A, Petiti J, Divieto C, Tiberto P, Manzin A, Troia A. Dual-responsive magnetic nanodroplets for controlled oxygen release via ultrasound and magnetic stimulation. NANOSCALE 2024; 16:1711-1723. [PMID: 38087911 DOI: 10.1039/d3nr04925f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Magnetic oxygen-loaded nanodroplets (MOLNDs) are a promising class of nanomaterials dually sensitive to ultrasound and magnetic fields, which can be employed as nanovectors for drug delivery applications, particularly in the field of hypoxic tissue treatment. Previous investigations were primarily focused on the application of these hybrid systems for hyperthermia treatment, exploiting magnetic nanoparticles for heat generation and nanodroplets as carriers and ultrasound contrast agents for treatment progress monitoring. This work places its emphasis on the prospect of obtaining an oxygen delivery system that can be activated by both ultrasound and magnetic fields. To achieve this goal, Fe3O4 nanoparticles were employed to decorate and induce the magnetic vaporization of OLNDs, allowing oxygen release. We present an optimized method for preparing MOLNDs by decorating nanodroplets made of diverse fluorocarbon cores and polymeric coatings. Furthermore, we performed a series of characterizations for better understanding how magnetic decoration can influence the physicochemical properties of OLNDs. Our comprehensive analysis demonstrates the efficacy of magnetic stimulation in promoting oxygen release compared to conventional ultrasound-based methods. We emphasize the critical role of selecting the appropriate fluorocarbon core and polymeric coating to optimize the decoration process and enhance the oxygen release performance of MOLNDs.
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Affiliation(s)
- Simone Galati
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
- Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino 10129, Italy
| | - Marta Vassallo
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
- Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino 10129, Italy
| | - Marta Vicentini
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
| | - Marta Vallino
- Consiglio Nazionale delle Ricerche (CNR), Strada delle Cacce 73, Torino 10135, Italy
| | - Federica Celegato
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
| | - Gabriele Barrera
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
| | - Daniele Martella
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
- European Laboratory for Non-Linear Spectroscopy (LENS), Via Nello Carrara 1, Sesto Fiorentino 50019, Italy
- Università degli Studi di Firenze, Via della Lastruccia 3, Sesto Fiorentino 50019, Italy
| | - Elena S Olivetti
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
| | - Alessio Sacco
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
| | - Jessica Petiti
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
| | - Carla Divieto
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
| | - Paola Tiberto
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
| | - Alessandra Manzin
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
| | - Adriano Troia
- Istituto Nazionale di Ricerca Metrologica (INRiM), Strada delle Cacce 91, Torino 10135, Italy.
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20
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Gong S, Lu Y, Yin J, Levin A, Cheng W. Materials-Driven Soft Wearable Bioelectronics for Connected Healthcare. Chem Rev 2024; 124:455-553. [PMID: 38174868 DOI: 10.1021/acs.chemrev.3c00502] [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: 01/05/2024]
Abstract
In the era of Internet-of-things, many things can stay connected; however, biological systems, including those necessary for human health, remain unable to stay connected to the global Internet due to the lack of soft conformal biosensors. The fundamental challenge lies in the fact that electronics and biology are distinct and incompatible, as they are based on different materials via different functioning principles. In particular, the human body is soft and curvilinear, yet electronics are typically rigid and planar. Recent advances in materials and materials design have generated tremendous opportunities to design soft wearable bioelectronics, which may bridge the gap, enabling the ultimate dream of connected healthcare for anyone, anytime, and anywhere. We begin with a review of the historical development of healthcare, indicating the significant trend of connected healthcare. This is followed by the focal point of discussion about new materials and materials design, particularly low-dimensional nanomaterials. We summarize material types and their attributes for designing soft bioelectronic sensors; we also cover their synthesis and fabrication methods, including top-down, bottom-up, and their combined approaches. Next, we discuss the wearable energy challenges and progress made to date. In addition to front-end wearable devices, we also describe back-end machine learning algorithms, artificial intelligence, telecommunication, and software. Afterward, we describe the integration of soft wearable bioelectronic systems which have been applied in various testbeds in real-world settings, including laboratories that are preclinical and clinical environments. Finally, we narrate the remaining challenges and opportunities in conjunction with our perspectives.
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Affiliation(s)
- Shu Gong
- Department of Chemical & Biological Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Yan Lu
- Department of Chemical & Biological Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Jialiang Yin
- Department of Chemical & Biological Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Arie Levin
- Department of Chemical & Biological Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Wenlong Cheng
- Department of Chemical & Biological Engineering, Monash University, Clayton, Victoria 3800, Australia
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21
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Phukan G, Kar M, Borah JP. Interplay of Anisotropy Energy Barrier and Self-Heating Efficiency of Cobalt-Substituted CuFe 2O 4 Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2024; 16:261-271. [PMID: 38118053 DOI: 10.1021/acsami.3c14594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
In this study, we delve into the intricate interplay between the anisotropy energy barrier and the self-heating efficiency of magnetic nanoparticles (MNPs). We embarked on this exploration by synthesizing Cu1-xCoxFe2O4 (x = 0, 0.1, 0.3, and 0.5) MNPs using a straightforward coprecipitation method. Our magnetic assessments, conducted at different temperatures, unveiled a notable trend as we traversed from x = 0.1 to x = 0.5. Specifically, we observed a consistent increase in saturation magnetization, coercivity, and remanence. This pattern also extended to the anisotropy energy barrier, which was derived from the effective anisotropy constant determined through the temperature dependency of the coercivity method. However, an intriguing twist emerged when we scrutinized the specific absorption rate (SAR), calculated via the Box-Lucas method. Contrary to much of the existing literature, our experimental results showcased a decline in SAR concerning x. This experimental work challenges the conventional understanding of the relationship between the anisotropy energy barrier and the SAR value of these nanoparticles. This study prompts us to reconsider the intricate mechanisms governing the relaxation of magnetic moments and subsequent heat release when subjected to an alternating magnetic field. By doing so, we aim to gain fresh insights into the self-heating properties of MNPs and optimize their utilization to better understand their heat-release properties and ensure that they are used as efficiently as possible in a variety of biomedical applications.
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Affiliation(s)
- Gongotree Phukan
- Nanomagnetism Lab, Department of Physics, National Institute of Technology Nagaland, Chumukedima, Nagaland 797103, India
| | - Manoranjan Kar
- Department of Physics, Indian Institute of Technology Patna, Bihar 800013, India
| | - J P Borah
- Nanomagnetism Lab, Department of Physics, National Institute of Technology Nagaland, Chumukedima, Nagaland 797103, India
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22
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Tan L, Fu W, Gao Q, Wang PP. Chiral Plasmonic Hybrid Nanostructures: A Gateway to Advanced Chiroptical Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309033. [PMID: 37944554 DOI: 10.1002/adma.202309033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 11/04/2023] [Indexed: 11/12/2023]
Abstract
Chirality introduces a new dimension of functionality to materials, unlocking new possibilities across various fields. When integrated with plasmonic hybrid nanostructures, this attribute synergizes with plasmonic and other functionalities, resulting in unprecedented chiroptical materials that push the boundaries of the system's capabilities. Recent advancements have illuminated the remarkable chiral light-matter interactions within chiral plasmonic hybrid nanomaterials, allowing for the harnessing of their tunable optical activity and hybrid components. These advancements have led to applications in areas such as chiral sensing, catalysis, and spin optics. Despite these promising developments, there remains a need for a comprehensive synthesis of the current state-of-the-art knowledge, as well as a thorough understanding of the construction techniques and practical applications in this field. This review begins with an exploration of the origins of plasmonic chirality and an overview of the latest advancements in the synthesis of chiral plasmonic hybrid nanostructures. Furthermore, representative emerging categories of hybrid nanomaterials are classified and summarized, elucidating their versatile applications. Finally, the review engages with the fundamental challenges associated with chiral plasmonic hybrid nanostructures and offer insights into the future prospects of this advanced field.
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Affiliation(s)
- Lili Tan
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Wenlong Fu
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Qi Gao
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Peng-Peng Wang
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
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23
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Yan Y, Li R, Chen H, Li Y, Wu M, Wang Z, Yang G. Magnetic nanoagent assisted deciphering of heterogeneous glycans in extracellular vesicles of varied cellular origins. Biosens Bioelectron 2023; 241:115705. [PMID: 37751651 DOI: 10.1016/j.bios.2023.115705] [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: 07/01/2023] [Revised: 09/13/2023] [Accepted: 09/20/2023] [Indexed: 09/28/2023]
Abstract
Extracellular vesicles bear a rich glycome that presents versatile functions in diverse biological processes. Leverage polydopamine modified magnetic particles to serve as nanosized agents for rapid and robust EV capture and manipulation, we here integrated the easy magnetic actuation with specific lectin-glycan binding and enzyme-mediated fluorescence amplification and thus proposed a facile approach to efficiently decipher a broad spectrum of glycans in EVs. Termed magnetic nanoagent assisted extracellular vesicle glycan deciphering (MAEG), the developed assay utilized a magnet as the assistant operation tool and realized fast (∼1 h) and sensitive (a limit of detection of ∼0.7 μg/mL vesicles) EV glycan analysis in a simple low-cost (around 2.27 Chinese Yuan for one test) manner without requirement of any sophisticated platforms. With robust performance for different sample species, the assay achieved to depict the comprehensive glycosylation landscapes for varied EVs derived from eight cell lines focusing on non-small-cell lung cancer. Systematic analyses clearly revealed the high heterogeneity in glycan features of EVs of varied cellular origins. Using an established difference network method, unique glycan features in different EVs were sifted out and further compiled to construct lectin-denoted patterns as dedicated glycosylation fingerprints, potentially expanding EV-based clinical applications.
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Affiliation(s)
- Yufei Yan
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, PR China; College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Rui Li
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, PR China; Postgraduate Training Base Alliance of Wenzhou Medical University, Wenzhou, 325035, PR China
| | - Huiqin Chen
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, PR China
| | - Yuan Li
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, PR China
| | - Min Wu
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, PR China
| | - Zhigang Wang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, PR China; School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, PR China.
| | - Gen Yang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, PR China; State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing, 100871, PR China; School of Public Health and Management, Wenzhou Medical University, Wenzhou, 325035, PR China.
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24
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Tiryaki E, Ortolano S, Bodelón G, Salgueiriño V. Programming an Enhanced Uptake and the Intracellular Fate of Magnetic Microbeads. Adv Healthc Mater 2023; 12:e2301415. [PMID: 37660272 DOI: 10.1002/adhm.202301415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/28/2023] [Indexed: 09/04/2023]
Abstract
This study compares two kinds of magnetic microbeads with different surface features and cell entry pathways, aiming to provide insights into how to program their cell uptake and intracellular fate. It is found that a rougher surface enhances the cell uptake of the microbeads, regardless of whether they are pulled by a magnetic field gradient or adsorbed by the cell membrane. However, the entry route affects the intracellular localization of the microbeads: The magnetically dragged microbeads reach the cytoplasm, while the adsorbed microbeads stay in the late endosomes and lysosomes. This suggests that different strategies can be used to target different cellular compartments with magnetic microbeads. Moreover, it is demonstrated that the cells containing the microbeads can be moved and regrown at specific locations by applying a magnetic field gradient, showing the potential of these magnetic microbeads for cell delivery and manipulation.
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Affiliation(s)
- Ecem Tiryaki
- CINBIO, Universidade de Vigo, Vigo, 36310, Spain
| | - Saida Ortolano
- Rare Diseases and Pediatric Medicine Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Hospital Álvaro Cunqueiro, Vigo, 36312, Spain
| | - Gustavo Bodelón
- CINBIO, Universidade de Vigo, Vigo, 36310, Spain
- Departamento de Biología Funcional y Ciencias de la Salud, Universidade de Vigo, Vigo, 36310, Spain
| | - Verónica Salgueiriño
- CINBIO, Universidade de Vigo, Vigo, 36310, Spain
- Departamento de Física Aplicada, Universidade de Vigo, Vigo, 36310, Spain
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25
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Zhao H, Wang H, Tan W, Ren N, Ding L, Yu X, Wang A. A novel two-dimensional NiCl 2O 8 lattice with negative Poisson's ratio and magnetic modulation. Phys Chem Chem Phys 2023; 25:31050-31056. [PMID: 37942556 DOI: 10.1039/d3cp02400h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Two-dimensional (2D) materials with simultaneous magnetic semiconducting properties and a negative Poisson's ratio are crucial for fabricating multifunctional electronic devices. However, progress in this area has been generally constrained. Based on first-principles calculations, we engineered a 2D Ni-based oxyhalide with a honeycomb lattice structure. It was observed that the NiCl2O8 monolayer exhibits both high- and low-buckling states in its geometry, along with intrinsic magnetic semiconductor properties in its electronic structure. Importantly, we demonstrated that the magnetic ordering of the NiCl2O8 lattice is susceptible to applied strain, which resulted in a phase transition from paramagnetic to ferromagnetic under biaxial strain. The Curie temperature was also evaluated using Monte Carlo simulations within the Ising model. Additionally, our research uncovered that the 2D NiCl2O8 lattice chain displays a negative Poisson's ratio (NPR) along the z-direction. The triangular hinge structure in its centrosymmetric configuration was identified as the origin of this unique phenomenon. The coexistence of NPR and magnetic phase transition properties in the NiCl2O8 lattice makes it quite promising for applications in nanoelectronic and spintronic devices.
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Affiliation(s)
- Hongbo Zhao
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan, Shandong, 250022, China.
| | - Hongguang Wang
- Jinan Jingheng Electronics Co., Ltd, Jinan, Shandong, 250014, China
| | - Wei Tan
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan, Shandong, 250022, China.
| | - Na Ren
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan, Shandong, 250022, China.
| | - Longhua Ding
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan, Shandong, 250022, China.
| | - Xin Yu
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan, Shandong, 250022, China.
| | - Aizhu Wang
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan, Shandong, 250022, China.
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26
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Kim P, Serov N, Falchevskaya A, Shabalkin I, Dmitrenko A, Kladko D, Vinogradov V. Quantifying the Efficacy of Magnetic Nanoparticles for MRI and Hyperthermia Applications via Machine Learning Methods. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303522. [PMID: 37563807 DOI: 10.1002/smll.202303522] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/16/2023] [Indexed: 08/12/2023]
Abstract
Magnetic nanoparticles are a prospective class of materials for use in biomedicine as agents for magnetic resonance imagining (MRI) and hyperthermia treatment. However, synthesis of nanoparticles with high efficacy is resource-intensive experimental work. In turn, the use of machine learning (ML) methods is becoming useful in materials design and serves as a great approach to designing nanomagnets for biomedicine. In this work, for the first time, an ML-based approach is developed for the prediction of main parameters of material efficacy, i.e., specific absorption rate (SAR) for hyperthermia and r1 /r2 relaxivities in MRI, with parameters of nanoparticles as well as experimental conditions as descriptors. For that, a unique database with more than 980 magnetic nanoparticles collected from scientific articles is assembled. Using this data, several tree-based ensemble models are trained to predict SAR, r1 and r2 relaxivity. After hyperparameter optimization, models reach performances of R2 = 0.86, R2 = 0.78, and R2 = 0.75, respectively. Testing the models on samples unseen during the training shows no performance drops. Finally, DiMag, an open access resource created to guide synthesis of novel nanosized magnets for MRI and hyperthermia treatment with machine learning and boost development of new biomedical agents, is developed.
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Affiliation(s)
- Pavel Kim
- International Institute "Solution Chemistry of Advanced Materials and Technologies", ITMO University, St. Petersburg, 191002, Russian Federation
| | - Nikita Serov
- International Institute "Solution Chemistry of Advanced Materials and Technologies", ITMO University, St. Petersburg, 191002, Russian Federation
| | - Aleksandra Falchevskaya
- International Institute "Solution Chemistry of Advanced Materials and Technologies", ITMO University, St. Petersburg, 191002, Russian Federation
| | - Ilia Shabalkin
- International Institute "Solution Chemistry of Advanced Materials and Technologies", ITMO University, St. Petersburg, 191002, Russian Federation
| | - Andrei Dmitrenko
- International Institute "Solution Chemistry of Advanced Materials and Technologies", ITMO University, St. Petersburg, 191002, Russian Federation
| | - Daniil Kladko
- International Institute "Solution Chemistry of Advanced Materials and Technologies", ITMO University, St. Petersburg, 191002, Russian Federation
| | - Vladimir Vinogradov
- International Institute "Solution Chemistry of Advanced Materials and Technologies", ITMO University, St. Petersburg, 191002, Russian Federation
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27
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Das RS, Maiti D, Kar S, Bera T, Mukherjee A, Saha PC, Mondal A, Guha S. Design of Water-Soluble Rotaxane-Capped Superparamagnetic, Ultrasmall Fe 3O 4 Nanoparticles for Targeted NIR Fluorescence Imaging in Combination with Magnetic Resonance Imaging. J Am Chem Soc 2023; 145:20451-20461. [PMID: 37694929 DOI: 10.1021/jacs.3c06232] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Integrating an NIR fluorescent probe with a magnetic resonance imaging (MRI) agent to harvest complementary imaging information is challenging. Here, we have designed water-soluble, biocompatible, noncytotoxic, bright-NIR-emitting, sugar-functionalized, mechanically interlocked molecules (MIMs)-capped superparamagnetic ultrasmall Fe3O4 NPs for targeted multimodal imaging. Dual-functional stoppers containing an unsymmetrical NIR squaraine dye interlocked within a macrocycle to construct multifunctional MIMs are developed with enhanced NIR fluorescence efficiency and durability. One of the stoppers of the axle is composed of a lipophilic cationic TPP+ functionality to target mitochondria, and the other stopper comprises a dopamine-containing catechol group to anchor at the surface of the synthesized Fe3O4 NPs. Fe3O4 NPs surface-coated with targeted NIR rotaxanes help to deliver ultrasmall magnetic NPs specifically inside the mitochondria. Two carbohydrate moieties are conjugated with the macrocycle of the rotaxane via click chemistry to improve the water solubility of MitoSQRot-(Carb-OH)2-DOPA-Fe3O4 NPs. Water-soluble, rotaxane-capped Fe3O4 NPs are used for live-cell mitochondria-targeted NIR fluorescence confocal imaging, 3D and multicolor imaging in combination with T2-weighted MRI on a 9.4 T MR scanner with a high relaxation rate (r2) of 180.7 mM-1 s-1. Biocompatible, noncytotoxic, ultrabright NIR rotaxane-capped superparamagnetic ultrasmall monodisperse Fe3O4 NPs could be a promising agent for targeted multimodal imaging applications.
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Affiliation(s)
- Rabi Sankar Das
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Debabrata Maiti
- Division of Medical Engineering, School of Medicine, The Jikei University, Tokyo 105-8461, Japan
| | - Samiran Kar
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Tapas Bera
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Ayan Mukherjee
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Pranab Chandra Saha
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Aniruddha Mondal
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Samit Guha
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
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28
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Xiong Y, Rao Y, Hu J, Luo Z, Chen C. Nanoparticle-Based Photothermal Therapy for Breast Cancer Noninvasive Treatment. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2305140. [PMID: 37561994 DOI: 10.1002/adma.202305140] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/29/2023] [Indexed: 08/12/2023]
Abstract
Rapid advancements in materials science and nanotechnology, intertwined with oncology, have positioned photothermal therapy (PTT) as a promising noninvasive treatment strategy for cancer. The breast's superficial anatomical location and aesthetic significance render breast cancer a particularly pertinent candidate for the clinical application of PTT following melanoma. This review comprehensively explores the research conducted on the various types of nanoparticles employed in PTT for breast cancer and elaborates on their specific roles and mechanisms of action. The integration of PTT with existing clinical therapies for breast cancer is scrutinized, underscoring its potential for synergistic outcomes. Additionally, the mechanisms underlying PTT and consequential modifications to the tumor microenvironment after treatment are elaborated from a medical perspective. Future research directions are suggested, with an emphasis on the development of integrative platforms that combine multiple therapeutic approaches and the optimization of nanoparticle synthesis for enhanced treatment efficacy. The goal is to push the boundaries of PTT toward a comprehensive, clinically applicable treatment for breast cancer.
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Affiliation(s)
- Yao Xiong
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No 238 Jiefang Road, Wuchang District, Wuhan, Hubei, 430060, P. R. China
| | - Yan Rao
- Animal Biosafety Level III Laboratory at the Center for Animal Experiment, Wuhan University School of Medicine, Wuhan, Hubei, 430000, P. R. China
| | - Jiawei Hu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No 238 Jiefang Road, Wuchang District, Wuhan, Hubei, 430060, P. R. China
| | - Zixuan Luo
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No 238 Jiefang Road, Wuchang District, Wuhan, Hubei, 430060, P. R. China
| | - Chuang Chen
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No 238 Jiefang Road, Wuchang District, Wuhan, Hubei, 430060, P. R. China
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29
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Fan Q, Li Z, Wu C, Yin Y. Magnetically Induced Anisotropic Interaction in Colloidal Assembly. PRECISION CHEMISTRY 2023; 1:272-298. [PMID: 37529717 PMCID: PMC10389807 DOI: 10.1021/prechem.3c00012] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 05/28/2023] [Accepted: 05/30/2023] [Indexed: 08/03/2023]
Abstract
The wide accessibility to nanostructures with high uniformity and controllable sizes and morphologies provides great opportunities for creating complex superstructures with unique functionalities. Employing anisotropic nanostructures as the building blocks significantly enriches the superstructural phases, while their orientational control for obtaining long-range orders has remained a significant challenge. One solution is to introduce magnetic components into the anisotropic nanostructures to enable precise control of their orientations and positions in the superstructures by manipulating magnetic interactions. Recognizing the importance of magnetic anisotropy in colloidal assembly, we provide here an overview of magnetic field-guided self-assembly of magnetic nanoparticles with typical anisotropic shapes, including rods, cubes, plates, and peanuts. The Review starts with discussing the magnetic energy of nanoparticles, appreciating the vital roles of magneto-crystalline and shape anisotropies in determining the easy magnetization direction of the anisotropic nanostructures. It then introduces superstructures assembled from various magnetic building blocks and summarizes their unique properties and intriguing applications. It concludes with a discussion of remaining challenges and an outlook of future research opportunities that the magnetic assembly strategy may offer for colloidal assembly.
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Affiliation(s)
- Qingsong Fan
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Zhiwei Li
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Chaolumen Wu
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Yadong Yin
- Department of Chemistry, University of California, Riverside, California 92521, United States
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30
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Kirkpatrick KM, Zhou BH, Bunting PC, Rinehart JD. Quantifying superparamagnetic signatures in nanoparticle magnetite: a generalized approach for physically meaningful statistics and synthesis diagnostics. Chem Sci 2023; 14:7589-7594. [PMID: 37449068 PMCID: PMC10337765 DOI: 10.1039/d3sc02113k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 06/11/2023] [Indexed: 07/18/2023] Open
Abstract
Magnetization is a common measurable for characterizing bulk, nanoscale, and molecular materials, which can be quantified to high precision as a function of an applied external field. These data provide detailed information about a material's electronic structure, phase purity, and impurities, though interpreting this data can be challenging due to many contributing factors. In sub-single-domain particles of a magnetic material, an inherently time-dependent rotation of the entire particle spin becomes possible. This phenomenon, known as superparamagnetism (SPM), simultaneously represents a very early size-dependent property to be considered, while being one of the least explored in the current quantum materials era. This discrepancy is, at least in part, due to the need for models with less built-in complexity that can facilitate the generation of comparative data. In this work, we map an extensive dataset of variable-size SPM Fe3O4 (magnetite) to an intrinsic statistical model for their field-dependence. By constraining the SPM behavior to a probabilistic model, the data are apportioned to several decorrelated sources. From this, there is strong evidence that standard measures such as saturation magnetization, MS, are poor comparative parameters, being dependent on experimental knowledge and measurement of the magnetic mass. In contrast, parameters of the intrinsic probability distribution, such as the maximum susceptibility, χmax, are far better suited to describe the SPM behavior itself and do not propagate unknown magnetic mass error. By confining the data fitting to intrinsic variables of the model distribution, scaling parameters, and linear contributions, we find greater value in magnetic data, ultimately aiding potential synthesis diagnostics and prediction of new properties and functionality.
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Affiliation(s)
- Kyle M Kirkpatrick
- Department of Chemistry and Biochemistry, University of California - San Diego La Jolla California 92093 USA
| | - Benjamin H Zhou
- Materials Science and Engineering Program, University of California - San Diego La Jolla California 92093 USA
| | - Philip C Bunting
- Department of Chemistry and Biochemistry, University of California - San Diego La Jolla California 92093 USA
| | - Jeffrey D Rinehart
- Department of Chemistry and Biochemistry, University of California - San Diego La Jolla California 92093 USA
- Materials Science and Engineering Program, University of California - San Diego La Jolla California 92093 USA
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Wang Y, Sun B, Hao Z, Zhang J. Advances in Organic-Inorganic Hybrid Latex Particles via In Situ Emulsion Polymerization. Polymers (Basel) 2023; 15:2995. [PMID: 37514385 PMCID: PMC10385736 DOI: 10.3390/polym15142995] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 06/29/2023] [Accepted: 07/03/2023] [Indexed: 07/30/2023] Open
Abstract
Hybrid latex particles combine the unique properties of inorganic nano/micro particles with the inherent properties of polymers, exhibiting tremendous potential for a variety of applications. Recent years have witnessed an increased interest in the design and preparation of hybrid latex particles with well-defined size, structure and morphology. Due to its simplicity, versatility and environmental friendliness, the in situ (Pickering) emulsion polymerization has been demonstrated to be a powerful approach for the large-scale preparation of hybrid latex particles. In this review, the strategies and applications of in situ (Pickering) emulsion polymerization for the preparation of hybrid latex particles are systematically summarized. A particular focus is placed on the strategies for the preparation of hybrid latex particles with enhanced properties and well-defined core-shell, yolk-shell, multinuclear, raspberry-like, dumbbell-shaped, multipod-like or armored morphologies. We hope that the considerable advances, examples and principles presented in this review can motivate future contributions to provide a deeper understanding of current preparation technologies, develop new processes, and enable further exploitation of hybrid latex particles with outstanding characteristics and properties.
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Affiliation(s)
- Yubin Wang
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
- CNPC Engineering Technology Research Co., Ltd., Tianjin 300451, China
| | - Baojiang Sun
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Zhiwei Hao
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
- CNPC Engineering Technology Research Co., Ltd., Tianjin 300451, China
| | - Jianhua Zhang
- Department of Polymer Science and Engineering, Key Laboratory of Systems Bioengineering of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300072, China
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32
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Zarei N, Zolfigol MA, Torabi M, Yarie M. Synthesis of new hybrid pyridines catalyzed by Fe 3O 4@SiO 2@urea-riched ligand/Ch-Cl. Sci Rep 2023; 13:9486. [PMID: 37301889 DOI: 10.1038/s41598-023-35849-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
Herein, a new heterogeneous catalytic system through modification of urea functionalized magnetic nanoparticles with choline chloride [Fe3O4@SiO2@urea-riched ligand/Ch-Cl] was designed and synthesized. Then, the synthesized Fe3O4@SiO2@urea-riched ligand/Ch-Cl was characterized by using FT-IR spectroscopy, FESEM, TEM, EDS-Mapping, TGA/DTG and VSM techniques. After that, the catalytic usage of Fe3O4@SiO2@urea-riched ligand/Ch-Cl was investigated for the synthesis of hybrid pyridines with sulfonate and/or indole moieties. Delightfully, the outcome was satisfactory and the applied strategy represents several advantages such as short reaction times, convenience of operation and relatively good yields of obtained products. Moreover, the catalytic behavior of several formal homogeneous DESs was investigated for the synthesis of target product. In addition, a cooperative vinylogous anomeric-based oxidation pathway was suggested as rational mechanism for the synthesis of new hybrid pyridines.
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Affiliation(s)
- Narges Zarei
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Mohammad Ali Zolfigol
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran.
| | - Morteza Torabi
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Meysam Yarie
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran.
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Noah A, Zur Y, Fridman N, Singh S, Gutfreund A, Herrera E, Vakahi A, Remennik S, Huber ME, Gazit S, Suderow H, Steinberg H, Millo O, Anahory Y. Nano-Patterned Magnetic Edges in CrGeTe 3 for Quasi 1-D Spintronic Devices. ACS APPLIED NANO MATERIALS 2023; 6:8627-8634. [PMID: 37256091 PMCID: PMC10226043 DOI: 10.1021/acsanm.3c01008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 04/24/2023] [Indexed: 06/01/2023]
Abstract
The synthesis of two-dimensional van der Waals magnets has paved the way for both technological applications and fundamental research on magnetism confined to ultra-small length scales. Edge magnetic moments in ferromagnets are expected to be less magnetized than in the sample interior because of the reduced amount of neighboring ferromagnetic spins at the sample edge. We recently demonstrated that CrGeTe3 (CGT) flakes thinner than 10 nm are hard ferromagnets; i.e., they exhibit an open hysteresis loop. In contrast, thicker flakes exhibit zero net remnant field in the interior, with hard ferromagnetism present only at the cleaved edges. This experimental observation suggests that a nontrivial interaction exists between the sample edge and the interior. Here, we demonstrate that artificial edges fabricated by focus ion beam etching also display hard ferromagnetism. This enables us to write magnetic nanowires in CGT directly and use this method to characterize the magnetic interaction between the interior and edge. The results indicate that the interior saturation and depolarization fields depend on the lateral dimensions of the sample. Most notably, the interior region between the edges of a sample narrower than 300 nm becomes a hard ferromagnet, suggesting an enhancement of the magnetic exchange induced by the proximity of the edges. Last, we find that the CGT regions amorphized by the gallium beam are nonmagnetic, which introduces a novel method to tune the local magnetic properties of CGT films, potentially enabling integration into spintronic devices.
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Affiliation(s)
- Avia Noah
- The Racah Institute of Physics, The Hebrew University, Jerusalem 9190401, Israel
| | - Yishay Zur
- The Racah Institute of Physics, The Hebrew University, Jerusalem 9190401, Israel
| | - Nofar Fridman
- The Racah Institute of Physics, The Hebrew University, Jerusalem 9190401, Israel
| | - Sourabh Singh
- The Racah Institute of Physics, The Hebrew University, Jerusalem 9190401, Israel
| | - Alon Gutfreund
- The Racah Institute of Physics, The Hebrew University, Jerusalem 9190401, Israel
| | - Edwin Herrera
- Laboratorio de Bajas Temperaturas, Unidad Asociada UAM/CSIC, Departamento de Física de la Materia Condensada, Instituto Nicolás Cabrera and Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, E-28049 Madrid, Spain
| | - Atzmon Vakahi
- Center for Nanoscience and Nanotechnology, Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Sergei Remennik
- Center for Nanoscience and Nanotechnology, Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Martin Emile Huber
- Departments of Physics and Electrical Engineering, University of Colorado Denver, Denver, Colorado 80217, United States
| | - Snir Gazit
- The Racah Institute of Physics, The Hebrew University, Jerusalem 9190401, Israel
- The Fritz Haber Research Center for Molecular Dynamics, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Hermann Suderow
- Laboratorio de Bajas Temperaturas, Unidad Asociada UAM/CSIC, Departamento de Física de la Materia Condensada, Instituto Nicolás Cabrera and Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, E-28049 Madrid, Spain
| | - Hadar Steinberg
- The Racah Institute of Physics, The Hebrew University, Jerusalem 9190401, Israel
| | - Oded Millo
- The Racah Institute of Physics, The Hebrew University, Jerusalem 9190401, Israel
| | - Yonathan Anahory
- The Racah Institute of Physics, The Hebrew University, Jerusalem 9190401, Israel
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Sanna Angotzi M, Mameli V, Zákutná D, Secci F, Xin HL, Cannas C. Hard-Soft Core-Shell Architecture Formation from Cubic Cobalt Ferrite Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13101679. [PMID: 37242095 DOI: 10.3390/nano13101679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/08/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023]
Abstract
Cubic bi-magnetic hard-soft core-shell nanoarchitectures were prepared starting from cobalt ferrite nanoparticles, prevalently with cubic shape, as seeds to grow a manganese ferrite shell. The combined use of direct (nanoscale chemical mapping via STEM-EDX) and indirect (DC magnetometry) tools was adopted to verify the formation of the heterostructures at the nanoscale and bulk level, respectively. The results showed the obtainment of core-shell NPs (CoFe2O4@MnFe2O4) with a thin shell (heterogenous nucleation). In addition, manganese ferrite was found to homogeneously nucleate to form a secondary nanoparticle population (homogenous nucleation). This study shed light on the competitive formation mechanism of homogenous and heterogenous nucleation, suggesting the existence of a critical size, beyond which, phase separation occurs and seeds are no longer available in the reaction medium for heterogenous nucleation. These findings may allow one to tailor the synthesis process in order to achieve better control of the materials' features affecting the magnetic behaviour, and consequently, the performances as heat mediators or components for data storage devices.
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Affiliation(s)
- Marco Sanna Angotzi
- Department of Chemical and Geological Sciences, University of Cagliari, Cittadella Universitaria S.S. 554 Bivio per Sestu, 09042 Monserrato, Italy
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), Via Giuseppe Giusti 9, 50121 Florence, Italy
| | - Valentina Mameli
- Department of Chemical and Geological Sciences, University of Cagliari, Cittadella Universitaria S.S. 554 Bivio per Sestu, 09042 Monserrato, Italy
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), Via Giuseppe Giusti 9, 50121 Florence, Italy
| | - Dominika Zákutná
- Department of Inorganic Chemistry, Charles University, Hlavova 2030, 128 40 Prague 2, Czech Republic
| | - Fausto Secci
- Department of Chemical and Geological Sciences, University of Cagliari, Cittadella Universitaria S.S. 554 Bivio per Sestu, 09042 Monserrato, Italy
| | - Huolin L Xin
- Department of Physics and Astronomy, University of California, Irvine, CA 92617, USA
| | - Carla Cannas
- Department of Chemical and Geological Sciences, University of Cagliari, Cittadella Universitaria S.S. 554 Bivio per Sestu, 09042 Monserrato, Italy
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), Via Giuseppe Giusti 9, 50121 Florence, Italy
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Guan H, Harris C, Sun S. Metal-Ligand Interactions and Their Roles in Controlling Nanoparticle Formation and Functions. Acc Chem Res 2023. [PMID: 37205747 DOI: 10.1021/acs.accounts.3c00156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
ConspectusFunctional nanoparticles (NPs) have been studied extensively in the past decades for their unique nanoscale properties and their promising applications in advanced nanosciences and nanotechnologies. One critical component of studying these NPs is to prepare monodisperse NPs so that their physical and chemical properties can be tuned and optimized. Solution phase reactions have provided the most reliable processes for fabricating such monodisperse NPs in which metal-ligand interactions play essential roles in the synthetic controls. These interactions are also key to stabilizing the preformed NPs for them to show the desired electronic, magnetic, photonic, and catalytic properties. In this Account, we summarize some representative organic bipolar ligands that have recently been explored to control NP formation and NP functions. These include aliphatic acids, alkylphosphonic acids, alkylamines, alkylphosphines, and alkylthiols. This ligand group covers metal-ligand interactions via covalent, coordination, and electrostatic bonds that are most commonly employed to control NP sizes, compositions, shapes, and properties. The metal-ligand bonding effects on NP nucleation rate and growth can now be more thoroughly investigated by in situ spectroscopic and theoretical studies. In general, to obtain the desired NP size and monodispersity requires rational control of the metal/ligand ratios, concentrations, and reaction temperatures in the synthetic solutions. In addition, for multicomponent NPs, the binding strength of ligands to various metal surfaces needs to be considered in order to prepare these NPs with predesigned compositions. The selective ligand binding onto certain facets of NPs is also key to anisotropic growth of NPs, as demonstrated in the synthesis of one-dimensional nanorods and nanowires. The effects of metal-ligand interactions on NP functions are discussed in two aspects, electrochemical catalysis for CO2 reduction and electronic transport across NP assemblies. We first highlight recent advances in using surface ligands to promote the electrochemical reduction of CO2. Several mechanisms are discussed, including the modification of the catalyst surface environment, electron transfer through the metal-organic interface, and stabilization of the CO2 reduction intermediates, all of which facilitate selective CO2 reduction. These strategies lead to better understanding of molecular level control of catalysis for further catalyst optimization. Metal-ligand interaction in magnetic NPs can also be used to control tunneling magnetoresistance properties across NPs in NP assemblies by tuning NP interparticle spacing and surface spin polarization. In all, metal-ligand interactions have yielded particularly promising directions for tuning CO2 reduction selectivity and for optimizing nanoelectronics, and the concepts can certainly be extended to rationalize NP engineering at atomic/molecular precision for the fabrication of sensitive functional devices that will be critical for many nanotechnological applications.
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Affiliation(s)
- Huanqin Guan
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Cooro Harris
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Shouheng Sun
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
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Stroud J, Hao Y, Read TS, Hankiewicz JH, Bilski P, Klodowski K, Brown JM, Rogers K, Stoll J, Camley RE, Celinski Z, Przybylski M. Magnetic particle based MRI thermometry at 0.2 T and 3 T. Magn Reson Imaging 2023; 100:43-54. [PMID: 36933774 DOI: 10.1016/j.mri.2023.03.004] [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: 12/03/2022] [Revised: 02/28/2023] [Accepted: 03/12/2023] [Indexed: 03/18/2023]
Abstract
This study provides insight into the advantages and disadvantages of using ferrite particles embedded in agar gel phantoms as MRI temperature indicators for low-magnetic field scanners. We compare the temperature-dependent intensity of MR images at low-field (0.2 T) to those at high-field (3.0 T). Due to a shorter T1 relaxation time at low-fields, MRI scanners operating at 0.2 T can use shorter repetition times and achieve a significant T2⁎ weighting, resulting in strong temperature-dependent changes of MR image brightness in short acquisition times. Although the signal-to-noise ratio for MR images at 0.2 T MR is much lower than at 3.0 T, it is sufficient to achieve a temperature measurement uncertainty of about ±1.0 °C at 37 °C for a 90 μg/mL concentration of magnetic particles.
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Affiliation(s)
- John Stroud
- UCCS BioFrontiers Center, University of Colorado, Colorado Springs, 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States; Department of Physics and Energy Science, University of Colorado, Colorado Springs 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States
| | - Yu Hao
- UCCS BioFrontiers Center, University of Colorado, Colorado Springs, 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States; Department of Physics and Energy Science, University of Colorado, Colorado Springs 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States
| | - Tim S Read
- UCCS BioFrontiers Center, University of Colorado, Colorado Springs, 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States
| | - Janusz H Hankiewicz
- UCCS BioFrontiers Center, University of Colorado, Colorado Springs, 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States
| | - Pawel Bilski
- Department of Physics, A. Mickiewicz University, Uniwersytetu Poznanskiego St. 2, 61-614 Poznan, Poland
| | - Krzysztof Klodowski
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Mickiewicza Ave. 30, 30-059 Kraków, Poland
| | - Jared M Brown
- Colorado Center for Nanomedicine and Nanosafety, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, United States
| | - Keegan Rogers
- Colorado Center for Nanomedicine and Nanosafety, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, United States
| | - Josh Stoll
- UCCS BioFrontiers Center, University of Colorado, Colorado Springs, 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States; Department of Physics and Energy Science, University of Colorado, Colorado Springs 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States
| | - Robert E Camley
- UCCS BioFrontiers Center, University of Colorado, Colorado Springs, 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States; Department of Physics and Energy Science, University of Colorado, Colorado Springs 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States
| | - Zbigniew Celinski
- UCCS BioFrontiers Center, University of Colorado, Colorado Springs, 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States; Department of Physics and Energy Science, University of Colorado, Colorado Springs 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918, United States
| | - Marek Przybylski
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Mickiewicza Ave. 30, 30-059 Kraków, Poland; Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, Mickiewicza Ave. 30, 30-059 Kraków, Poland.
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37
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Kang Y, Masud MK, Guo Y, Zhao Y, Nishat ZS, Zhao J, Jiang B, Sugahara Y, Pejovic T, Morgan T, Hossain MSA, Li H, Salomon C, Asahi T, Yamauchi Y. Au-Loaded Superparamagnetic Mesoporous Bimetallic CoFeB Nanovehicles for Sensitive Autoantibody Detection. ACS NANO 2023; 17:3346-3357. [PMID: 36744876 DOI: 10.1021/acsnano.2c07694] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Construction of a well-defined mesoporous nanostructure is crucial for applying nonnoble metals in catalysis and biomedicine owing to their highly exposed active sites and accessible surfaces. However, it remains a great challenge to controllably synthesize superparamagnetic CoFe-based mesoporous nanospheres with tunable compositions and exposed large pores, which are sought for immobilization or adsorption of guest molecules for magnetic capture, isolation, preconcentration, and purification. Herein, a facile assembly strategy of a block copolymer was developed to fabricate a mesoporous CoFeB amorphous alloy with abundant metallic Co/Fe atoms, which served as an ideal scaffold for well-dispersed loading of Au nanoparticles (∼3.1 nm) via the galvanic replacement reaction. The prepared Au-CoFeB possessed high saturation magnetization as well as uniform and large open mesopores (∼12.5 nm), which provided ample accessibility to biomolecules, such as nucleic acids, enzymes, proteins, and antibodies. Through this distinctive combination of superparamagnetism (CoFeB) and biofavorability (Au), the resulting Au-CoFeB was employed as a dispersible nanovehicle for the direct capture and isolation of p53 autoantibody from serum samples. Highly sensitive detection of the autoantibody was achieved with a limit of detection of 0.006 U/mL, which was 50 times lower than that of the conventional p53-ELISA kit-based detection system. Our assay is capable of quantifying differential expression patterns for detecting p53 autoantibodies in ovarian cancer patients. This assay provides a rapid, inexpensive, and portable platform with the potential to detect a wide range of clinically relevant protein biomarkers.
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Affiliation(s)
- Yunqing Kang
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project, Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, 2-8-26 Nishiwaseda, Shinjuku, Tokyo 169-0051, Japan
| | - Mostafa Kamal Masud
- JST-ERATO Yamauchi Materials Space-Tectonics Project, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Yanna Guo
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project, Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, 2-8-26 Nishiwaseda, Shinjuku, Tokyo 169-0051, Japan
| | - Yingji Zhao
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
| | - Zakia Sultana Nishat
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
| | - Jingjing Zhao
- The Education Ministry Key Lab of Resource Chemistry and Joint International Research Laboratory of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Bo Jiang
- The Education Ministry Key Lab of Resource Chemistry and Joint International Research Laboratory of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Yoshiyuki Sugahara
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project, Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, 2-8-26 Nishiwaseda, Shinjuku, Tokyo 169-0051, Japan
| | - Tanja Pejovic
- Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, Oregon 97239, United States
| | - Terry Morgan
- Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, Oregon 97239, United States
| | | | - Hexing Li
- The Education Ministry Key Lab of Resource Chemistry and Joint International Research Laboratory of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Carlos Salomon
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women's Hospital, The University of Queensland, Brisbane, QLD 4029, Australia
| | - Toru Asahi
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project, Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, 2-8-26 Nishiwaseda, Shinjuku, Tokyo 169-0051, Japan
| | - Yusuke Yamauchi
- JST-ERATO Yamauchi Materials Space-Tectonics Project, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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Study on Doxorubicin Loading on Differently Functionalized Iron Oxide Nanoparticles: Implications for Controlled Drug-Delivery Application. Int J Mol Sci 2023; 24:ijms24054480. [PMID: 36901910 PMCID: PMC10002596 DOI: 10.3390/ijms24054480] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 02/19/2023] [Accepted: 02/22/2023] [Indexed: 03/03/2023] Open
Abstract
Nanoplatforms applied for the loading of anticancer drugs is a cutting-edge approach for drug delivery to tumors and reduction of toxic effects on healthy cells. In this study, we describe the synthesis and compare the sorption properties of four types of potential doxorubicin-carriers, in which iron oxide nanoparticles (IONs) are functionalized with cationic (polyethylenimine, PEI), anionic (polystyrenesulfonate, PSS), and nonionic (dextran) polymers, as well as with porous carbon. The IONs are thoroughly characterized by X-ray diffraction, IR spectroscopy, high resolution TEM (HRTEM), SEM, magnetic susceptibility, and the zeta-potential measurements in the pH range of 3-10. The degree of doxorubicin loading at pH 7.4, as well as the degree of desorption at pH 5.0, distinctive to cancerous tumor environment, are measured. Particles modified with PEI were shown to exhibit the highest loading capacity, while the greatest release at pH 5 (up to 30%) occurs from the surface of magnetite decorated with PSS. Such a slow release of the drug would imply a prolonged tumor-inhibiting action on the affected tissue or organ. Assessment of the toxicity (using Neuro2A cell line) for PEI- and PSS-modified IONs showed no negative effect. In conclusion, the preliminary evaluation of the effects of IONs coated with PSS and PEI on the rate of blood clotting was carried out. The results obtained can be taken into account when developing new drug delivery platforms.
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Hao L, Li J, Wang P, Wang Z, Wang Y, Zhu Y, Guo M, Zhang P. Magnetic nanocomposites for magneto-promoted osteogenesis: from simulation auxiliary design to experimental validation. NANOSCALE 2023; 15:4123-4136. [PMID: 36744952 DOI: 10.1039/d2nr06233j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Magnetically actuated mechanical stimulation, as a novel form of intelligent responsive force stimulation, has a great potential for remote spatiotemporal regulation of a variety of life processes. Hence, the optimal design of magnetic nanomaterials for generating magneto-mechanical stimuli becomes an important driving force in the development of magneto-controlled biotherapy. This study aims to clarify the general rule that the surface modification amount of magnetic nanoparticles (NPs) affects the biological behavior (e.g., cell adhesion, proliferation and differentiation) of pre-osteoblast cells. First of all, course-grained molecular dynamics simulations predict that 23.3% graft modification of the NPs can maximize the heterogeneity of the dynamics of the polymer matrix, which may generate enhanced mechanical stimuli. Then, experimentally, iron oxide (IO) NPs grafted with different amounts of poly(γ-benzyl-L-glutamate) (PBLG) were prepared to obtain homogeneous magnetic nanocomposites with improved mechanical properties. Further in vitro cell experiments demonstrate that the grafting amounts of 21.46% and 32.34% of PBLG on IO NPs are the most beneficial for the adhesion and osteogenic differentiation of cells. Simultaneously, the maximized upregulation of the Piezo1 gene indicates that the cells receive the strongest magneto-mechanical stimuli. The consistent conclusion of the experiments and simulations indicates that 20-30% PBLG grafted on the IO surface could maximize the ability of magnetic stimuli to regulate the biological behavior of the cells, which validates the feasibility of simulation auxiliary material design and is of great importance for promoting the application of magneto-controlled biotherapy in bioengineering and biomedicine.
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Affiliation(s)
- Lili Hao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Jiaxiang Li
- National Laboratory of Solid State Microstructures and School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Peng Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
| | - Yu Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
| | - Yongzhan Zhu
- 8th Department of Orthopaedics, Foshan Hospital of Traditional Chinese Medicine, Foshan 528000, China.
| | - Min Guo
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
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40
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Thelen T, Jara A, Torres-Díaz I. Synergistic interactions of binary suspensions of magnetic anisotropic particles. SOFT MATTER 2023; 19:640-651. [PMID: 36594605 DOI: 10.1039/d2sm01234k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
We report the effect of the dipole-dipole interaction and shape anisotropy in suspensions of permanently magnetized anisotropic particles. We quantify the dipolar interaction energy using an ellipsoid-dipole model to describe particles with similar or dissimilar shapes. The expression captures the physics of the point-dipole interaction energy between uniformly magnetized spherical particles. Additionally, we report Monte Carlo simulations to describe the effect of dipolar interaction and shape anisotropy under different field strengths. Results show that the shape anisotropy and dipolar interactions modify the head-to-tail interaction with respect to spheres, promoting dendritic and barbed-wire structures in uniform ellipsoids and binary mixtures, respectively. Furthermore, competing entropic and energy interactions generate a synergistic effect reducing the magnetic response of binary suspensions.
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Affiliation(s)
- Thomas Thelen
- Department of Chemical and Materials Engineering, The University of Alabama in Huntsville, Huntsville, AL 35899, USA.
| | - Adriana Jara
- Department of Chemical and Materials Engineering, The University of Alabama in Huntsville, Huntsville, AL 35899, USA.
| | - Isaac Torres-Díaz
- Department of Chemical and Materials Engineering, The University of Alabama in Huntsville, Huntsville, AL 35899, USA.
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41
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Nucleic acid drug vectors for diagnosis and treatment of brain diseases. Signal Transduct Target Ther 2023; 8:39. [PMID: 36650130 PMCID: PMC9844208 DOI: 10.1038/s41392-022-01298-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 12/08/2022] [Accepted: 12/21/2022] [Indexed: 01/18/2023] Open
Abstract
Nucleic acid drugs have the advantages of rich target selection, simple in design, good and enduring effect. They have been demonstrated to have irreplaceable superiority in brain disease treatment, while vectors are a decisive factor in therapeutic efficacy. Strict physiological barriers, such as degradation and clearance in circulation, blood-brain barrier, cellular uptake, endosome/lysosome barriers, release, obstruct the delivery of nucleic acid drugs to the brain by the vectors. Nucleic acid drugs against a single target are inefficient in treating brain diseases of complex pathogenesis. Differences between individual patients lead to severe uncertainties in brain disease treatment with nucleic acid drugs. In this Review, we briefly summarize the classification of nucleic acid drugs. Next, we discuss physiological barriers during drug delivery and universal coping strategies and introduce the application methods of these universal strategies to nucleic acid drug vectors. Subsequently, we explore nucleic acid drug-based multidrug regimens for the combination treatment of brain diseases and the construction of the corresponding vectors. In the following, we address the feasibility of patient stratification and personalized therapy through diagnostic information from medical imaging and the manner of introducing contrast agents into vectors. Finally, we take a perspective on the future feasibility and remaining challenges of vector-based integrated diagnosis and gene therapy for brain diseases.
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42
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Nguyen QN, Wang C, Shang Y, Janssen A, Xia Y. Colloidal Synthesis of Metal Nanocrystals: From Asymmetrical Growth to Symmetry Breaking. Chem Rev 2022; 123:3693-3760. [PMID: 36547384 DOI: 10.1021/acs.chemrev.2c00468] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Nanocrystals offer a unique platform for tailoring the physicochemical properties of solid materials to enhance their performances in various applications. While most work on controlling their shapes revolves around symmetrical growth, the introduction of asymmetrical growth and thus symmetry breaking has also emerged as a powerful route to enrich metal nanocrystals with new shapes and complex morphologies as well as unprecedented properties and functionalities. The success of this route critically relies on our ability to lift the confinement on symmetry by the underlying unit cell of the crystal structure and/or the initial seed in a systematic manner. This Review aims to provide an account of recent progress in understanding and controlling asymmetrical growth and symmetry breaking in a colloidal synthesis of noble-metal nanocrystals. With a touch on both the nucleation and growth steps, we discuss a number of methods capable of generating seeds with diverse symmetry while achieving asymmetrical growth for mono-, bi-, and multimetallic systems. We then showcase a variety of symmetry-broken nanocrystals that have been reported, together with insights into their growth mechanisms. We also highlight their properties and applications and conclude with perspectives on future directions in developing this class of nanomaterials. It is hoped that the concepts and existing challenges outlined in this Review will drive further research into understanding and controlling the symmetry breaking process.
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Affiliation(s)
- Quynh N. Nguyen
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia30332, United States
| | - Chenxiao Wang
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia30332, United States
| | - Yuxin Shang
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia30332, United States
| | - Annemieke Janssen
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia30332, United States
| | - Younan Xia
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia30332, United States
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia30332, United States
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Yi W, Xiao P, Liu X, Zhao Z, Sun X, Wang J, Zhou L, Wang G, Cao H, Wang D, Li Y. Recent advances in developing active targeting and multi-functional drug delivery systems via bioorthogonal chemistry. Signal Transduct Target Ther 2022; 7:386. [PMID: 36460660 PMCID: PMC9716178 DOI: 10.1038/s41392-022-01250-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 10/25/2022] [Accepted: 11/07/2022] [Indexed: 12/03/2022] Open
Abstract
Bioorthogonal chemistry reactions occur in physiological conditions without interfering with normal physiological processes. Through metabolic engineering, bioorthogonal groups can be tagged onto cell membranes, which selectively attach to cargos with paired groups via bioorthogonal reactions. Due to its simplicity, high efficiency, and specificity, bioorthogonal chemistry has demonstrated great application potential in drug delivery. On the one hand, bioorthogonal reactions improve therapeutic agent delivery to target sites, overcoming off-target distribution. On the other hand, nanoparticles and biomolecules can be linked to cell membranes by bioorthogonal reactions, providing approaches to developing multi-functional drug delivery systems (DDSs). In this review, we first describe the principle of labeling cells or pathogenic microorganisms with bioorthogonal groups. We then highlight recent breakthroughs in developing active targeting DDSs to tumors, immune systems, or bacteria by bioorthogonal chemistry, as well as applications of bioorthogonal chemistry in developing functional bio-inspired DDSs (biomimetic DDSs, cell-based DDSs, bacteria-based and phage-based DDSs) and hydrogels. Finally, we discuss the difficulties and prospective direction of bioorthogonal chemistry in drug delivery. We expect this review will help us understand the latest advances in the development of active targeting and multi-functional DDSs using bioorthogonal chemistry and inspire innovative applications of bioorthogonal chemistry in developing smart DDSs for disease treatment.
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Affiliation(s)
- Wenzhe Yi
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Ping Xiao
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Xiaochen Liu
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Zitong Zhao
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Xiangshi Sun
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Jue Wang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Lei Zhou
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Guanru Wang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Haiqiang Cao
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Dangge Wang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China ,Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai, 264000 China
| | - Yaping Li
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China ,Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, 264000 China
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44
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Review on Magnetism in Catalysis: From Theory to PEMFC Applications of 3d Metal Pt-Based Alloys. Int J Mol Sci 2022; 23:ijms232314768. [PMID: 36499096 PMCID: PMC9739051 DOI: 10.3390/ijms232314768] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
The relationship between magnetism and catalysis has been an important topic since the mid-20th century. At present time, the scientific community is well aware that a full comprehension of this relationship is required to face modern challenges, such as the need for clean energy technology. The successful use of (para-)magnetic materials has already been corroborated in catalytic processes, such as hydrogenation, Fenton reaction and ammonia synthesis. These catalysts typically contain transition metals from the first to the third row and are affected by the presence of an external magnetic field. Nowadays, it appears that the most promising approach to reach the goal of a more sustainable future is via ferromagnetic conducting catalysts containing open-shell metals (i.e., Fe, Co and Ni) with extra stabilization coming from the presence of an external magnetic field. However, understanding how intrinsic and extrinsic magnetic features are related to catalysis is still a complex task, especially when catalytic performances are improved by these magnetic phenomena. In the present review, we introduce the relationship between magnetism and catalysis and outline its importance in the production of clean energy, by describing the representative case of 3d metal Pt-based alloys, which are extensively investigated and exploited in PEM fuel cells.
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45
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Hassan M, Laureti S, Rinaldi C, Fagiani F, Barucca G, Casoli F, Mezzi A, Bolli E, Kaciulis S, Fix M, Ullrich A, Albrecht M, Varvaro G. Thin-Film Heterostructures Based on Co/Ni Synthetic Antiferromagnets on Polymer Tapes: Toward Sustainable Flexible Spintronics. ACS APPLIED MATERIALS & INTERFACES 2022; 14:51496-51509. [PMID: 36318544 DOI: 10.1021/acsami.2c14000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Synthetic antiferromagnets with perpendicular magnetic anisotropy (PMA-SAFs) have gained growing attention for both conventional and next-generation spin-based technologies. While the progress of PMA-SAF spintronic devices on rigid substrates has been remarkable, only few examples of flexible thin-film heterostructures are reported in the literature, all containing platinum group metals (PGMs). Systems based on Co/Ni may offer additional advantages with respect to devices containing PGMs, i.e., low damping and high spin polarization. Moreover, limiting the use of PGMs may relieve the demand for critical raw materials and reduce the environmental impact of related technologies, thus contributing to the transition toward a more sustainable future. Here, we discuss for the first time the realization of Co/Ni-based PMA-SAFs on polymer tapes and exploit it to obtain flexible giant magneto-resistive spin valves (GMR-SVs) with perpendicular magnetic anisotropy. Several combinations of buffer and capping layers (i.e., Pt, Pd, and Cu/Ta) are also investigated. High-quality flexible SAFs with a fully compensated antiferromagnetic region and SVs with a sizable GMR ratio (up to 4.4%), in line with the values reported in the literature for similar systems on rigid substrates, were obtained in all cases. However, we demonstrate that PGMs allows achieving the best results when used as a buffer layer, while Cu is the best choice as a capping layer to optimize the properties of the stacks. We justify the role of buffer and capping layers in terms of different interdiffusion mechanisms occurring at the interface between the metallic layers. These results, along with the high robustness of the samples' properties against bending (up to 180°), indicate that complex and bendable Co/Ni-based heterostructures with reduced content of PGMs can be obtained on flexible tapes, allowing for the development of novel flexible and sustainable spintronic devices for applications in many fields including wearable electronics, soft robotics, and biomedicine.
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Affiliation(s)
- Mariam Hassan
- ISM-CNR, nM2-Lab, Area della Ricerca Roma 1, Monterotondo Scalo (Roma)00015, Italy
- Institute of Physics, University of Augsburg, Universitätsstraße 1 Nord, D-86159Augsburg, Germany
| | - Sara Laureti
- ISM-CNR, nM2-Lab, Area della Ricerca Roma 1, Monterotondo Scalo (Roma)00015, Italy
| | - Christian Rinaldi
- Department of Physics, Politecnico di Milano, via G. Colombo 81, Milano20133, Italy
| | - Federico Fagiani
- Department of Physics, Politecnico di Milano, via G. Colombo 81, Milano20133, Italy
| | - Gianni Barucca
- Department SIMAU, University Politecnica delle Marche, via Brecce Bianche, Ancona60131, Italy
| | | | - Alessio Mezzi
- ISMN-CNR, Area della Ricerca Roma 1, Monterotondo Scalo (Roma)00015, Italy
| | - Eleonora Bolli
- ISMN-CNR, Area della Ricerca Roma 1, Monterotondo Scalo (Roma)00015, Italy
| | - Saulius Kaciulis
- ISMN-CNR, Area della Ricerca Roma 1, Monterotondo Scalo (Roma)00015, Italy
| | - Mario Fix
- Institute of Physics, University of Augsburg, Universitätsstraße 1 Nord, D-86159Augsburg, Germany
| | - Aladin Ullrich
- Institute of Physics, University of Augsburg, Universitätsstraße 1 Nord, D-86159Augsburg, Germany
| | - Manfred Albrecht
- Institute of Physics, University of Augsburg, Universitätsstraße 1 Nord, D-86159Augsburg, Germany
| | - Gaspare Varvaro
- ISM-CNR, nM2-Lab, Area della Ricerca Roma 1, Monterotondo Scalo (Roma)00015, Italy
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Yang Y, Bu H, Xu Y, Li S, Xu J, Xia X, Yin Z, Chen L, Chen Z, Tan W. Heat Confinement Aerogel Enables Supramagnetothermal Effect for Triggering Nitric Oxide Generation. NANO LETTERS 2022; 22:8339-8345. [PMID: 36222760 DOI: 10.1021/acs.nanolett.2c03290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Reducing heat dissipation plays an indispensable role in boosting the magnetothermal effect but has received scant attention. Herein, a magnetothermal aerogel (MA) combining an efficient magnetothermal convertor for heat generation and a highly porous aerogel for reducing heat dissipation is developed. Such a heat confinement MA shows a large thermal resistance and high infrared absorption that can effectively confine the heat by regulating interior thermal conduction and radiation, exhibiting a supramagnetothermal effect. In addition, a waterproof beeswax coated MA achieves negligible heat loss and a supramagnetothermal effect even in high-thermal-diffusion aqueous media. As a proof of concept, a synthesized heat-triggered nitric oxide (NO) precursor is integrated into an MA, and the rapid NO generation (∼22 μM/min) resulting in an antibacterial effect further verifies the supramagnetothermal effect of the MA. This work provides an efficient strategy to promote the magnetothermal effect and offers inspiration for building a heat-triggering system.
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Affiliation(s)
- Yanxia Yang
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Hongxiu Bu
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Yiting Xu
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, People's Republic of China
| | - Shengkai Li
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Jieqiong Xu
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Xin Xia
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Zhiwei Yin
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Long Chen
- Faculty of Science and Technology, University of Macau, Macau SAR 999078, Macau
| | - Zhuo Chen
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Weihong Tan
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
- The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, People's Republic of China
- Institute of Molecular Medicine (IMM), Renji Hospital, School of Medicine, College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China
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Kirkpatrick KM, Zhou BH, Bunting PC, Rinehart JD. Size-Tunable Magnetite Nanoparticles from Well-Defined Iron Oleate Precursors. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2022; 34:8043-8053. [PMID: 36117881 PMCID: PMC9477088 DOI: 10.1021/acs.chemmater.2c02046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/05/2022] [Indexed: 06/15/2023]
Abstract
The synthesis of iron oxide nanoparticles with control over size and shape has long been an area of research, with iron oleate being arguably the most successful precursor. Issues with reproducibility and versatility in iron oleate-based syntheses remain, however, in large part due to the mutable nature of its structure and stoichiometry. In this work, we characterize two new forms of iron oleate precursor that can be isolated in large quantities, show long-term stability, and have well-defined stoichiometry, leading to reproducible and predictable reactivity. Synthesis with these precursors is shown to produce iron oxide nanoparticles in a tunable size range of 4-16 nm with low size dispersity and properties consistent with magnetite in the superparamagnetic size regime.
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Affiliation(s)
- Kyle M. Kirkpatrick
- Department
of Chemistry and Biochemistry and Materials Science and Engineering
Program, University of California, San Diego, La Jolla, California 92093, United States
| | - Benjamin H. Zhou
- Department
of Chemistry and Biochemistry and Materials Science and Engineering
Program, University of California, San Diego, La Jolla, California 92093, United States
| | - Philip C. Bunting
- Department
of Chemistry and Biochemistry and Materials Science and Engineering
Program, University of California, San Diego, La Jolla, California 92093, United States
| | - Jeffrey D. Rinehart
- Department
of Chemistry and Biochemistry and Materials Science and Engineering
Program, University of California, San Diego, La Jolla, California 92093, United States
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48
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Drzewiński A, Marć M, Wolak WW, Dudek MR. Effect of Magnetic Heating on Stability of Magnetic Colloids. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3064. [PMID: 36080101 PMCID: PMC9458204 DOI: 10.3390/nano12173064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/26/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
Stable aqueous suspension of magnetic nanoparticles is essential for effective magnetic hyperthermia and other applications of magnetic heating in an alternating magnetic field. However, the alternating magnetic field causes strong agglomeration of magnetic nanoparticles, and this can lead to undesirable phenomena that deteriorate the bulk magnetic properties of the material. It has been shown how this magnetic field influences the distribution of magnetic agglomerates in the suspension. When investigating the influence of the sonication treatment on magnetic colloids, it turned out that the hydrodynamic diameter as a function of sonication time appeared to have a power-law character. The effect of magnetic colloid ageing on magnetic heating was discussed as well. It was shown how properly applied ultrasonic treatment could significantly improve the stability of the colloid of magnetic nanoparticles, ultimately leading to an increase in heating efficiency. The optimal sonication time for the preparation of the magnetic suspension turned out to be time-limited, and increasing it did not improve the stability of the colloid. The obtained results are important for the development of new materials where magnetic colloids are used and in biomedical applications.
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49
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A Self-Assembly of Single Layer of Co Nanorods to Reveal the Magnetostatic Interaction Mechanism. NANOMATERIALS 2022; 12:nano12142499. [PMID: 35889723 PMCID: PMC9318953 DOI: 10.3390/nano12142499] [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: 05/30/2022] [Revised: 07/12/2022] [Accepted: 07/19/2022] [Indexed: 12/26/2022]
Abstract
In this work, we report a self-assembly method to fabricate a single layer of Co nanorods to study their magnetostatic interaction behavior. The Co nanorods with cambered and flat tips were synthesized by using a solvothermal route and an alcohol–thermal method, respectively. Both of them represent hard magnetic features. Co nanorods with cambered tips have an average diameter of 10 nm and length of 100 nm with coercivity of 6.4 kOe, and flat-tip nanorods with a 30 nm diameter and 100 nm length exhibit a coercivity of 4.9 kOe. They are further assembled on the surface of water in assistance of surfactants. The results demonstrate that the assembly type is dependent on the magnetic induction lines direction. For Co nanorods with flat tips, most of magnetic induction lines are parallel to the length direction, leading to an assembly that is tip to tip. For Co nanorods with cambered tips, they are prone to holding together side by side for their random magnetic induction lines. Under an applied field, the Co nanorods with flat tips can be further aligned into a single layer of Co nanorods. Our work gives a possible mechanism for the magnetic interaction of Co nanorods and provides a method to study their magnetic behavior.
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50
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Engineering Manganese Ferrite Shell on Iron Oxide Nanoparticles for Enhanced T1 Magnetic Resonance Imaging. J Colloid Interface Sci 2022; 626:364-373. [DOI: 10.1016/j.jcis.2022.06.118] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/12/2022] [Accepted: 06/23/2022] [Indexed: 01/21/2023]
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