1
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Hazarika K, Borgohain C, Borah JP. Influence of Controlled Dipolar Interaction for Polymer-Coated Gd-Doped Magnetite Nanoparticles toward Magnetic Hyperthermia Application. ACS OMEGA 2024; 9:6696-6708. [PMID: 38371823 PMCID: PMC10870280 DOI: 10.1021/acsomega.3c07835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/01/2023] [Accepted: 11/09/2023] [Indexed: 02/20/2024]
Abstract
To maximize heat release from immobilized nanoparticles (NPs), a detailed understanding of the controlled dipolar interaction is essential for challenging magnetic hyperthermia (MH) therapies. To design optimal MH experiments, it is necessary to precisely determine magnetic states impacted by the inevitable concurrence of magnetic interactions under a common experimental form. In this work, we describe how the presence of dipolar interaction significantly alters the heating mechanism of host materials when NPs are embedded in them for MH applications. The concentration of the NPs and the intensity of their interaction can profoundly impact the amplitude and shape of the heating curves of the host material. The heating capability of interacting NPs might be enhanced or diminished, depending on their concentration within the host material. We propose chitosan- and dextran-coated Gd-doped Fe3O4 NPs directing dipole interactions effective for the linear regime to enlighten the pragmatic trends. The outcomes of our study may have substantial implications for cancer therapy and could inspire novel approaches for maximizing the effectiveness of MH.
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Affiliation(s)
- Krishna
Priya Hazarika
- Nanomagnetism
Group, Department of Physics, National Institute
of Technology Nagaland, Dimapur, Nagaland 797103, India
| | - C. Borgohain
- Central
Instrumentation Facility (CIF), Indian Institute
of Technology Guwahati, Guwahati, Assam 781039, India
| | - J. P. Borah
- Nanomagnetism
Group, Department of Physics, National Institute
of Technology Nagaland, Dimapur, Nagaland 797103, India
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2
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Tasnim NT, Ferdous N, Rumon MMH, Shakil MS. The Promise of Metal-Doped Iron Oxide Nanoparticles as Antimicrobial Agent. ACS OMEGA 2024; 9:16-32. [PMID: 38222657 PMCID: PMC10785672 DOI: 10.1021/acsomega.3c06323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 11/26/2023] [Accepted: 11/29/2023] [Indexed: 01/16/2024]
Abstract
Antibiotic resistance (AMR) is one of the pressing global public health concerns and projections indicate a potential 10 million fatalities by the year 2050. The decreasing effectiveness of commercially available antibiotics due to the drug resistance phenomenon has spurred research efforts to develop potent and safe antimicrobial agents. Iron oxide nanoparticles (IONPs), especially when doped with metals, have emerged as a promising avenue for combating microbial infections. Like IONPs, the antimicrobial activities of doped-IONPs are also linked to their surface charge, size, and shape. Doping metals on nanoparticles can alter the size and magnetic properties by reducing the energy band gap and combining electronic charges with spins. Furthermore, smaller metal-doped nanoparticles tend to exhibit enhanced antimicrobial activity due to their higher surface-to-volume ratio, facilitating greater interaction with bacterial cells. Moreover, metal doping can also lead to increased charge density in magnetic nanoparticles and thereby elevate reactive oxygen species (ROS) generation. These ROS play a vital role to disrupt bacterial cell membrane, proteins, or nucleic acids. In this review, we compared the antimicrobial activities of different doped-IONPs, elucidated their mechanism(s), and put forth opinions for improved biocompatibility.
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Affiliation(s)
- Nazifa Tabassum Tasnim
- Department of Mathematics and Natural Sciences, Brac University, 66 Mohakhali, Dhaka 1212, Bangladesh
| | - Nushrat Ferdous
- Department of Mathematics and Natural Sciences, Brac University, 66 Mohakhali, Dhaka 1212, Bangladesh
| | - Md Mahamudul Hasan Rumon
- Department of Mathematics and Natural Sciences, Brac University, 66 Mohakhali, Dhaka 1212, Bangladesh
| | - Md Salman Shakil
- Department of Mathematics and Natural Sciences, Brac University, 66 Mohakhali, Dhaka 1212, Bangladesh
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3
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Hazarika KP, Borah JP. A comprehensive scrutiny to controlled dipolar interactions to intensify the self-heating efficiency of biopolymer encapsulated Tb doped magnetite nanoparticles. Sci Rep 2024; 14:427. [PMID: 38172613 PMCID: PMC10764953 DOI: 10.1038/s41598-023-50635-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 12/22/2023] [Indexed: 01/05/2024] Open
Abstract
An exciting prospect in the field of magnetic fluid hyperthermia (MFH) has been the integration of noble rare earth elements with biopolymers (chitosan/dextran) that have optimum structures to tune specific effects on magnetic nanoparticles (MNPs). Remarkably, it has been demonstrated that dipole-dipole interactions have a significant influence on nanoparticle dynamics. In this article, we present an exhaustive scrutiny of dipolar interactions and how this affects the efficiency of MFH applications. In particular, we prepare chitosan and dextran-coated Tb-doped MNPs and study whether it is possible to increase the heat released by controlling the dipole-dipole interactions. It has been indicated that even moderate control of agglomeration may substantially impact the structure and magnetization dynamics of the system. Besides estimating the specific loss power value, our findings provide a deep insight into the relaxation mechanisms and bring to light how to tune the self-heating efficacy towards magnetic hyperthermia.
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Affiliation(s)
- Krishna Priya Hazarika
- Nanomagnetism Group, Department of Physics, National Institute of Technology Nagaland, Dimapur, Nagaland, 797103, India
| | - J P Borah
- Nanomagnetism Group, Department of Physics, National Institute of Technology Nagaland, Dimapur, Nagaland, 797103, India.
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4
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Hazarika KP, Borah JP. Role of site selective substitution, magnetic parameter tuning, and self heating in magnetic hyperthermia application: Eu-doped magnetite nanoparticles. RSC Adv 2023; 13:5045-5057. [PMID: 36762080 PMCID: PMC9906981 DOI: 10.1039/d2ra07924k] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 01/12/2023] [Indexed: 02/10/2023] Open
Abstract
Various researchers have provided considerable insight into the fundamental mechanisms behind the power absorption of single-domain magnetic nanoparticles (MNPs) in magnetic hyperthermia applications. However, the role of all parameters pertinent to magnetic relaxation continues to be debated. Herein, to explore the role of magnetic anisotropy with the site selective substitution related to magnetic relaxation has generally been missing, which is critically essential in respective of hyperthermia treatment. Our study unravels contradictory results of rare earth (RE) interaction effects in ferrite to that of recently reported literature. Despite this, rare earth atoms have unique f-block properties, which significantly impact the magnetic anisotropy as well as the relaxation mechanism. Here, we use appropriate Eu doping concentration in magnetite and analyze its effect on the matrix. Furthermore, a positive SAR can effectively reduce the relative dose assigned to a patient to a minimal level. This study indicates that the introduction of Eu ion positively influenced the heating efficiency of the examined magnetite systems.
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Affiliation(s)
- Krishna Priya Hazarika
- Nanomagnetism Group, Department of Physics, National Institute of Technology Nagaland Dimapur 797103 Nagaland India
| | - J. P. Borah
- Nanomagnetism Group, Department of Physics, National Institute of Technology NagalandDimapur 797103NagalandIndia
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5
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Saeidi H, Mozaffari M, Ilbey S, Dutz S, Zahn D, Azimi G, Bock M. Effect of Europium Substitution on the Structural, Magnetic and Relaxivity Properties of Mn-Zn Ferrite Nanoparticles: A Dual-Mode MRI Contrast-Agent Candidate. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13020331. [PMID: 36678084 PMCID: PMC9861161 DOI: 10.3390/nano13020331] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/02/2023] [Accepted: 01/10/2023] [Indexed: 05/14/2023]
Abstract
Magnetic nanoparticles (MNPs) have been widely applied as magnetic resonance imaging (MRI) contrast agents. MNPs offer significant contrast improvements in MRI through their tunable relaxivities, but to apply them as clinical contrast agents effectively, they should exhibit a high saturation magnetization, good colloidal stability and sufficient biocompatibility. In this work, we present a detailed description of the synthesis and the characterizations of europium-substituted Mn-Zn ferrite (Mn0.6Zn0.4EuxFe2-xO4, x = 0.00, 0.02, 0.04, 0.06, 0.08, 0.10, and 0.15, herein named MZF for x = 0.00 and EuMZF for others). MNPs were synthesized by the coprecipitation method and subsequent hydrothermal treatment, coated with citric acid (CA) or pluronic F127 (PF-127) and finally characterized by X-ray Diffraction (XRD), Inductively Coupled Plasma (ICP), Vibrating Sample Magnetometry (VSM), Fourier-Transform Infrared (FTIR), Dynamic Light Scattering (DLS) and MRI Relaxometry at 3T methods. The XRD studies revealed that all main diffraction peaks are matched with the spinel structure very well, so they are nearly single phase. Furthermore, XRD study showed that, although there are no significant changes in lattice constants, crystallite sizes are affected by europium substitution significantly. Room-temperature magnetometry showed that, in addition to coercivity, both saturation and remnant magnetizations decrease with increasing europium substitution and coating with pluronic F127. FTIR study confirmed the presence of citric acid and poloxamer (pluronic F127) coatings on the surface of the nanoparticles. Relaxometry measurements illustrated that, although the europium-free sample is an excellent negative contrast agent with a high r2 relaxivity, it does not show a positive contrast enhancement as the concentration of nanoparticles increases. By increasing the europium to x = 0.15, r1 relaxivity increased significantly. On the contrary, europium substitution decreased r2 relaxivity due to a reduction in saturation magnetization. The ratio of r2/r1 decreased from 152 for the europium-free sample to 11.2 for x = 0.15, which indicates that Mn0.6Zn0.4Eu0.15Fe1.85O4 is a suitable candidate for dual-mode MRI contrast agent potentially. The samples with citric acid coating had higher r1 and lower r2 relaxivities than those of pluronic F127-coated samples.
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Affiliation(s)
- Hamidreza Saeidi
- Faculty of Physics, University of Isfahan, Isfahan 8174673441, Iran
- Department of Radiology, Medical Physics, Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg, Killianstr. 5a, 79106 Freiburg, Germany
| | - Morteza Mozaffari
- Faculty of Physics, University of Isfahan, Isfahan 8174673441, Iran
- Correspondence: ; Tel.: +98-31-3793-4741
| | - Serhat Ilbey
- Department of Radiology, Medical Physics, Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg, Killianstr. 5a, 79106 Freiburg, Germany
| | - Silvio Dutz
- Institute of Biomedical Engineering and Informatics, Technische Universität Ilmenau, Gustav-Kirchhof-Straße 2, 98693 Ilmenau, Germany
| | - Diana Zahn
- Institute of Biomedical Engineering and Informatics, Technische Universität Ilmenau, Gustav-Kirchhof-Straße 2, 98693 Ilmenau, Germany
| | - Gholamhassan Azimi
- Department of Chemistry, University of Isfahan, Isfahan 8174673441, Iran
| | - Michael Bock
- Department of Radiology, Medical Physics, Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg, Killianstr. 5a, 79106 Freiburg, Germany
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6
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Gholibegloo E, Ebrahimpour A, Mortezazadeh T, Sorouri F, Foroumadi A, Firoozpour L, Shafiee Ardestani M, Khoobi M. pH-Responsive chitosan-modified gadolinium oxide nanoparticles delivering 5-aminolevulinic acid: A dual cellular and metabolic T1-T2* contrast agent for glioblastoma brain tumors detection. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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7
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Luo Y, Chen Z, Wen S, Han Q, Fu L, Yan L, Jin D, Bünzli JCG, Bao G. Magnetic regulation of the luminescence of hybrid lanthanide-doped nanoparticles. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214653] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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8
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Zhao Z, Li M, Zeng J, Huo L, Liu K, Wei R, Ni K, Gao J. Recent advances in engineering iron oxide nanoparticles for effective magnetic resonance imaging. Bioact Mater 2022; 12:214-245. [PMID: 35310380 PMCID: PMC8897217 DOI: 10.1016/j.bioactmat.2021.10.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 09/27/2021] [Accepted: 10/10/2021] [Indexed: 02/09/2023] Open
Abstract
Iron oxide nanoparticle (IONP) with unique magnetic property and high biocompatibility have been widely used as magnetic resonance imaging (MRI) contrast agent (CA) for long time. However, a review which comprehensively summarizes the recent development of IONP as traditional T2 CA and its new application for different modality of MRI, such as T1 imaging, simultaneous T2/T1 or MRI/other imaging modality, and as environment responsive CA is rare. This review starts with an investigation of direction on the development of high-performance MRI CA in both T2 and T1 modal based on quantum mechanical outer sphere and Solomon–Bloembergen–Morgan (SBM) theory. Recent rational attempts to increase the MRI contrast of IONP by adjusting the key parameters, including magnetization, size, effective radius, inhomogeneity of surrounding generated magnetic field, crystal phase, coordination number of water, electronic relaxation time, and surface modification are summarized. Besides the strategies to improve r2 or r1 values, strategies to increase the in vivo contrast efficiency of IONP have been reviewed from three different aspects, those are introducing second imaging modality to increase the imaging accuracy, endowing IONP with environment response capacity to elevate the signal difference between lesion and normal tissue, and optimizing the interface structure to improve the accumulation amount of IONP in lesion. This detailed review provides a deep understanding of recent researches on the development of high-performance IONP based MRI CAs. It is hoped to trigger deep thinking for design of next generation MRI CAs for early and accurate diagnosis. T2 contrast capacity of iron oxide nanoparticles (IONPs) could be improved based on quantum mechanical outer sphere theory. IONPs could be expand to be used as effective T1 CAs by improving q value, extending τs, and optimizing interface structure. Environment responsive MRI CAs have been developed to improve the diagnosis accuracy. Introducing other imaging contrast moiety into IONPs could increase the contrast efficiency. Optimizing in vivo behavior of IONPs have been proved to enlarge the signal difference between normal tissue and lesion.
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9
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Laha SS, Thorat ND, Singh G, Sathish CI, Yi J, Dixit A, Vinu A. Rare-Earth Doped Iron Oxide Nanostructures for Cancer Theranostics: Magnetic Hyperthermia and Magnetic Resonance Imaging. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2104855. [PMID: 34874618 DOI: 10.1002/smll.202104855] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 10/11/2021] [Indexed: 05/27/2023]
Abstract
Superparamagnetic iron oxide nanoparticles (SPIONs) have been extensively investigated during the last couple of decades because of their potential applications across various disciplines ranging from spintronics to nanotheranostics. However, pure iron oxide nanoparticles cannot meet the requirement for practical applications. Doping is considered as one of the most prominent and simplest techniques to achieve optimized multifunctional properties in nanomaterials. Doped iron oxides, particularly, rare-earth (RE) doped nanostructures have shown much-improved performance for a wide range of biomedical applications, including magnetic hyperthermia and magnetic resonance imaging (MRI), compared to pure iron oxide. Extensive investigations have revealed that bigger-sized RE ions possessing high magnetic moment and strong spin-orbit coupling can serve as promising dopants to significantly regulate the properties of iron oxides for advanced biomedical applications. This review provides a detailed investigation on the role of RE ions as primary dopants for engineering the structural and magnetic properties of Fe3 O4 nanoparticles to carefully introspect and correlate their impact on cancer theranostics with a special focus on magnetic hyperthermia and MRI. In addition, prospects for achieving high-performance magnetic hyperthermia and MRI are thoroughly discussed. Finally, suggestions on future work in these two areas are also proposed.
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Affiliation(s)
- Suvra S Laha
- Department of Physics and Astronomy, Wayne State University, Detroit, MI, 48201, USA
- Centre for Nano Science and Engineering (CeNSE), Indian Institute of Science, Bangalore, 560012, India
| | - Nanasaheb D Thorat
- Nuffield Department of Women's & Reproductive Health, Medical Sciences Division, University of Oxford, Oxford, OX3 9DU, UK
| | - Gurwinder Singh
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - C I Sathish
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Jiabao Yi
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Ambesh Dixit
- Department of Physics, Indian Institute of Technology, Jodhpur, 342037, India
| | - Ajayan Vinu
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
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10
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Wei R, Liu K, Zhang K, Fan Y, Lin H, Gao J. Zwitterion-Coated Ultrasmall MnO Nanoparticles Enable Highly Sensitive T1-Weighted Contrast-Enhanced Brain Imaging. ACS APPLIED MATERIALS & INTERFACES 2022; 14:3784-3791. [PMID: 35019261 DOI: 10.1021/acsami.1c20617] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Manganese oxide nanoparticles (NPs) have attracted increasing attention recently as contrast agents (CAs) for magnetic resonance imaging (MRI). However, the clinical translation and popularization of conventional MnO NPs are hampered by their relatively poor imaging performance. Herein, we report the construction of ultrasmall MnO NPs (USMnO) via a one-pot synthetic approach that show a much better capability of T1-weighted contrast enhancement for MRI (r1 = 15.6 ± 0.4 mM-1 s-1 at 0.5 T) than MnCl2 and conventional large-sized MnO NPs (MnO-22). These USMnO are further coated with zwitterionic dopamine sulfonate (ZDS) molecules, which improves their biocompatibility and prevents nonspecific binding of serum albumins. Interestingly, USMnO@ZDS are capable of passing through the blood-brain barrier (BBB), which enables the acquisition of clear images showing brain anatomic structures with T1-weighted contrast-enhanced MRI. Therefore, our USMnO@ZDS could be used as a promising MRI CA for the flexible and accurate diagnosis of brain diseases, which is also instructive for the construction of manganese-based CA with a high MRI performance.
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Affiliation(s)
- Ruixue Wei
- State Key Laboratory of Physical Chemistry of Solid Surfaces, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and The Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Kun Liu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and The Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Ke Zhang
- Department of Interventional Medicine, Center for Interventional Medicine, Guangdong Provincial Engineering Research Center of Molecular Imaging, and Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, Guangdong 519000, China
| | - Yifan Fan
- State Key Laboratory of Physical Chemistry of Solid Surfaces, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and The Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Hongyu Lin
- State Key Laboratory of Physical Chemistry of Solid Surfaces, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and The Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Jinhao Gao
- State Key Laboratory of Physical Chemistry of Solid Surfaces, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and The Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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11
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Abstract
Magnetic nanoparticles (MNPs) have great potential in biochemistry and medical science. In particular, iron oxide nanoparticles have demonstrated a promising effect in various biomedical applications due to their high magnetic properties, large surface area, stability, and easy functionalization. However, colloidal stability, biocompatibility, and potential toxicity of MNPs in physiological environments are crucial for their in vivo application. In this context, many research articles focused on the possible procedures for MNPs coating to improve their physic-chemical and biological properties. This review highlights one viable fabrication strategy of biocompatible iron oxide nanoparticles using human serum albumin (HSA). HSA is mainly a transport protein with many functions in various fundamental processes. As it is one of the most abundant plasma proteins, not a single drug in the blood passes without its strength test. It influences the stability, pharmacokinetics, and biodistribution of different drug-delivery systems by binding or forming its protein corona on the surface. The development of albumin-based drug carriers is gaining increasing importance in the targeted delivery of cancer therapy. Considering this, HSA is a highly potential candidate for nanoparticles coating and theranostics area and can provide biocompatibility, prolonged blood circulation, and possibly resolve the drug-resistance cancer problem.
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12
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Mallik R, Saha M, Mukherjee C. Porous Silica Nanospheres with a Confined Mono(aquated) Mn(II)-Complex: A Potential T1- T2 Dual Contrast Agent for Magnetic Resonance Imaging. ACS APPLIED BIO MATERIALS 2021; 4:8356-8367. [PMID: 35005912 DOI: 10.1021/acsabm.1c00937] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Magnetic resonance imaging has emerged as an indispensable imaging modality for the early-stage diagnosis of many diseases. The imaging in the presence of a contrast agent is always advantageous, as it mitigates the low-sensitivity issue of the measurements and provides excellent contrast in the acquired images even in a short acquisition time. However, the stability and high relaxivity of the contrast agents remained a challenge. Here, molecules of a mononuclear, mono(aquated), thermodynamically stable [log KMnL = 14.80(7) and pMn = 8.97] Mn(II)-complex (1), based on a hexadentate pyridine-picolinate unit-containing ligand (H2PyDPA), were confined within a porous silica nanosphere in a noncovalent fashion to render a stable nanosystem, complex 1@SiO2NP. The entrapped complex 1 (complex 1@SiO2) exhibited r1 = 8.46 mM-1 s-1 and r2 = 33.15 mM-1 s-1 at pH = 7.4, 25 °C, and 1.41 T in N-(2-hydroxyethyl)piperazine-N'-ethanesulfonic acid buffer. The values were about 2.9 times higher compared to the free (unentrapped)-complex 1 molecules. The synthesized complex 1@SiO2NP interacted significantly with albumin protein and consequently boosted both the relaxivity values to r1 = 24.76 mM-1 s-1 and r2 = 63.96 mM-1 s-1 at pH = 7.4, 37 °C, and 1.41 T. The kinetic inertness of the entrapped molecules was established by recognizing no appreciable change in the r1 value upon challenging complex 1@SiO2NP with 30 and 40 times excess of Zn(II) ions at pH 6 and 25 °C. The water molecule coordinated to the Mn(II) ion in complex 1@SiO2 was also impervious to the physiologically relevant anions (bicarbonate, biphosphate, and citrate) and pH of the medium. Thus, it ensured the availability of the inner-coordination site of complex 1 for the coordination of water molecules in the biological media. The concentration-dependent changes in image intensities in T1- and T2-weighted phantom images and uptake of the nanoparticles by the HeLa cell put forward the biocompatible complex 1@SiO2NP as a potential dual-mode MRI contrast agent, an alternative to Gd(III)-containing contrast agents.
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Affiliation(s)
- Riya Mallik
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Muktashree Saha
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Chandan Mukherjee
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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13
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Zhang T, Wang Z, Xiang H, Xu X, Zou J, Lu C. Biocompatible Superparamagnetic Europium-Doped Iron Oxide Nanoparticle Clusters as Multifunctional Nanoprobes for Multimodal In Vivo Imaging. ACS APPLIED MATERIALS & INTERFACES 2021; 13:33850-33861. [PMID: 34282885 DOI: 10.1021/acsami.1c07739] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Magnetic nanoparticle clusters composed of primary magnetic nanoparticles can not only significantly enhance the magnetic properties of the assembly but also retain the superparamagnetic properties of the individual primary nanoparticle, which is of great significance for promoting the development of multifunctional advanced materials. Herein, water-soluble biocompatible and superparamagnetic europium-doped iron oxide nanoparticle clusters (EuIO NCs) were directly synthesized by a simple one-pot method. The obtained EuIO NCs have excellent water solubility, colloidal stability, and biocompatibility. Europium doping significantly improved the contrast enhancement effect of EuIO NCs in T1-weighted MR imaging. In addition, EuIO NCs can be functionalized by active molecules, and the rhodamine123-functionalized EuIO NCs have long circulation time and excellent fluorescence imaging performance in vivo. This study provides a simple strategy for the design and construction of a novel multifunctional magnetic nanoplatform and provides solutions for the development of multimodal imaging probes and the diagnosis of disease.
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Affiliation(s)
- Tingting Zhang
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China
| | - Zhijie Wang
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China
| | - Huijing Xiang
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China
| | - Xue Xu
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China
| | - Jing Zou
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China
| | - Chichong Lu
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China
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14
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Jeon M, Halbert MV, Stephen ZR, Zhang M. Iron Oxide Nanoparticles as T 1 Contrast Agents for Magnetic Resonance Imaging: Fundamentals, Challenges, Applications, and Prospectives. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e1906539. [PMID: 32495404 PMCID: PMC8022883 DOI: 10.1002/adma.201906539] [Citation(s) in RCA: 167] [Impact Index Per Article: 55.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 01/15/2020] [Accepted: 02/10/2020] [Indexed: 05/23/2023]
Abstract
Gadolinium-based chelates are a mainstay of contrast agents for magnetic resonance imaging (MRI) in the clinic. However, their toxicity elicits severe side effects and the Food and Drug Administration has issued many warnings about their potential retention in patients' bodies, which causes safety concerns. Iron oxide nanoparticles (IONPs) are a potentially attractive alternative, because of their nontoxic and biodegradable nature. Studies in developing IONPs as T1 contrast agents have generated promising results, but the complex, interrelated parameters influencing contrast enhancement make the development difficult, and IONPs suitable for T1 contrast enhancement have yet to make their way to clinical use. Here, the fundamental principles of MRI contrast agents are discussed, and the current status of MRI contrast agents is reviewed with a focus on the advantages and limitations of current T1 contrast agents and the potential of IONPs to serve as safe and improved alternative to gadolinium-based chelates. The past advances and current challenges in developing IONPs as a T1 contrast agent from a materials science perspective are presented, and how each of the key material properties and environment variables affects the performance of IONPs is assessed. Finally, some potential approaches to develop high-performance and clinically relevant T1 contrast agents are discussed.
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Affiliation(s)
- Mike Jeon
- Department of Materials Science & Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Mackenzie V Halbert
- Department of Materials Science & Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Zachary R Stephen
- Department of Materials Science & Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Miqin Zhang
- Department of Materials Science & Engineering, University of Washington, Seattle, WA, 98195, USA
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15
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Das P, Salvioni L, Malatesta M, Vurro F, Mannucci S, Gerosa M, Antonietta Rizzuto M, Tullio C, Degrassi A, Colombo M, Ferretti AM, Ponti A, Calderan L, Prosperi D. Colloidal polymer-coated Zn-doped iron oxide nanoparticles with high relaxivity and specific absorption rate for efficient magnetic resonance imaging and magnetic hyperthermia. J Colloid Interface Sci 2020; 579:186-194. [PMID: 32590159 DOI: 10.1016/j.jcis.2020.05.119] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 05/29/2020] [Accepted: 05/30/2020] [Indexed: 02/07/2023]
Abstract
Colloidally stable nanoparticles-based magnetic agents endowed with very high relaxivity and specific absorption rate are extremely desirable for efficient magnetic resonance imaging and magnetic hyperthermia, respectively. Here, we report a water dispersible magnetic agent consisting of zinc-doped superparamagnetic iron oxide nanoparticles (i.e., Zn-SPIONs) of 15 nm size with high saturation magnetization coated with an amphiphilic polymer for effective magnetic resonance imaging and magnetic hyperthermia of glioblastoma cells. These biocompatible polymer-coated Zn-SPIONs had 24 nm hydrodynamic diameter and exhibited high colloidal stability in various aqueous media, very high transverse relaxivity of 471 mM-1 s-1, and specific absorption rate up to 743.8 W g-1, which perform better than most iron oxide nanoparticles reported in the literature, including commercially available agents. Therefore, using these polymer-coated Zn-SPIONs even at low concentrations, T2-weighted magnetic resonance imaging and moderate magnetic hyperthermia of glioblastoma cells under clinically relevant magnetic field were successfully implemented. In addition, the results of this in vitro study suggest the superior potential of Zn-SPIONs as a theranostic nanosystem for brain cancer treatment, simultaneously acting as a contrast agent for magnetic resonance imaging and a heat mediator for localized magnetic hyperthermia.
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Affiliation(s)
- Pradip Das
- NanoBioLab, Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, piazza della Scienza 2, 20126 Milano, Italy; Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Lucia Salvioni
- NanoBioLab, Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, piazza della Scienza 2, 20126 Milano, Italy
| | - Manuela Malatesta
- Neurosciences, Biomedicine and Movement Dept., School of Medicine, University of Verona, Strada le grazie 8, 37134 Verona, Italy
| | - Federica Vurro
- Computer Sciences Dept., University of Verona, Strada le grazie 7, Verona, Italy
| | - Silvia Mannucci
- Neurosciences, Biomedicine and Movement Dept., School of Medicine, University of Verona, Strada le grazie 8, 37134 Verona, Italy
| | - Marco Gerosa
- Computer Sciences Dept., University of Verona, Strada le grazie 7, Verona, Italy
| | - Maria Antonietta Rizzuto
- NanoBioLab, Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, piazza della Scienza 2, 20126 Milano, Italy
| | - Chiara Tullio
- NanoBioLab, Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, piazza della Scienza 2, 20126 Milano, Italy
| | - Anna Degrassi
- Toxicology, Accelera S.R.L. - NMS Group S.p.A., Viale Pasteur 10, 20014 Nerviano, MI, Italy
| | - Miriam Colombo
- NanoBioLab, Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, piazza della Scienza 2, 20126 Milano, Italy.
| | - Anna M Ferretti
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta" (SCITEC), Consiglio Nazionale delle Ricerche, via G, Fantoli 16/15, 20138 Milano, Italy
| | - Alessandro Ponti
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta" (SCITEC), Consiglio Nazionale delle Ricerche, via G, Fantoli 16/15, 20138 Milano, Italy
| | - Laura Calderan
- Neurosciences, Biomedicine and Movement Dept., School of Medicine, University of Verona, Strada le grazie 8, 37134 Verona, Italy
| | - Davide Prosperi
- NanoBioLab, Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, piazza della Scienza 2, 20126 Milano, Italy; Nanomedicine Laboratory, ICS Maugeri S.p.A. SB, via S. Maugeri 10, 27100 Pavia, Italy.
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16
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Park JC, Kim DH, Song YH, Cha HJ, Seo JH. Electrohydrodynamic Sprayable Amphiphilic Polysaccharide-Clasped Nanoscale Self-Assembly for In Vivo Imaging. ACS APPLIED MATERIALS & INTERFACES 2020; 12:38899-38905. [PMID: 32805844 DOI: 10.1021/acsami.0c07473] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The work presented in this report demonstrates that amphiphilic polysaccharide-clasped self-assembly (Amp-SA) with nanometer size, encapsulating hydrophobic nanoparticles (NPs) can be generated via electrohydrodynamic spraying. It is observed that the formation of hydrophobic NP-encapsulated Amp-SA is dependent on the surface chemistry of NPs. The citrate-coated magnetic NPs (MNPs-Cit) were also prepared and compared. The hydrophobic magnetic NP-encapsulated Amp-SA (Amp-SA-M) exhibited around 2.7-2.8-fold higher values in r2 relaxivity than that of MNPs-Cit. In addition, the resulting Amp-SA-M achieved ∼17.2-fold higher values in r2/r1 ratios than MNPs-Cit. The enhanced performances in magnetic transverse (r2) relaxivity and r2/r1 ratio as well as the in vivo behavior of Amp-SA-M suggest the potential of Amp-SA-M as a promising MRI nanoprobe. This approach based on the nature-originated amphiphilic biopolymers may provide a novel insight into electrohydrodynamic techniques that have the ability to create various nanostructures, encapsulating high-quality hydrophobic nanomaterials for applications in diverse biotechnology.
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Affiliation(s)
- Jeong Chan Park
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea
| | - Do Hyeon Kim
- School of Chemical Engineering, Yeungnam University, 280 Daehakro, Gyeongsan, Gyeongbuk 38541, Korea
| | - Young Hoon Song
- School of Chemical Engineering, Yeungnam University, 280 Daehakro, Gyeongsan, Gyeongbuk 38541, Korea
| | - Hyung Joon Cha
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea
| | - Jeong Hyun Seo
- School of Chemical Engineering, Yeungnam University, 280 Daehakro, Gyeongsan, Gyeongbuk 38541, Korea
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17
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Lin FC, Zink JI. Probing the Local Nanoscale Heating Mechanism of a Magnetic Core in Mesoporous Silica Drug-Delivery Nanoparticles Using Fluorescence Depolarization. J Am Chem Soc 2020; 142:5212-5220. [PMID: 32091888 DOI: 10.1021/jacs.9b13082] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
In the presence of an alternating magnetic field (AMF), a superparamagnetic iron oxide nanoparticle (SPION) generates heat. Understanding the local heating mechanism of a SPION in suspension and in a mesoporous silica nanoparticle (MSN) will advance the design of hyperthermia-based nanotheranostics and AMF-stimulated drug delivery in biomedical applications. The AMF-induced heating of single-domain SPION can be explained by the Néel relaxation (reorientation of the magnetization) or the Brownian relaxation (motion of the particle). The latter is investigated using fluorescence depolarization based on detecting the mobility-dependent polarization anisotropy (r) of two luminescence emission bands at different wavelengths corresponded to the europium-doped luminescent SPION (EuSPION) core and the silica-based intrinsically emitting shell of the core-shell MSN. The fluorescence depolarization experiments are carried out with both the free and the silica-encapsulated SPION nanoparticles with and without application of the AMF. The r value of a EuSPION core-mesoporous silica shell in the presence of the AMF does not change, indicating that no additional rotational motion of the core-shell nanoparticles is induced by the AMF, disproving the contribution of Brownian heating and thus supporting Néel relaxation as the dominant heating mechanism.
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Affiliation(s)
- Fang-Chu Lin
- Department of Chemistry and Biochemistry, University of California-Los Angeles, Los Angeles, California 90095, United States.,California NanoSystems Institute, University of California-Los Angeles, Los Angeles, California 90095, United States
| | - Jeffrey I Zink
- Department of Chemistry and Biochemistry, University of California-Los Angeles, Los Angeles, California 90095, United States.,California NanoSystems Institute, University of California-Los Angeles, Los Angeles, California 90095, United States
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18
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Lunin AV, Sokolov IL, Zelepukin IV, Zubarev IV, Yakovtseva MN, Mochalova EN, Rozenberg JM, Nikitin MP, Kolychev EL. Spindle-like MRI-active europium-doped iron oxide nanoparticles with shape-induced cytotoxicity from simple and facile ferrihydrite crystallization procedure. RSC Adv 2020; 10:7301-7312. [PMID: 35493903 PMCID: PMC9049874 DOI: 10.1039/c9ra10683a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 02/04/2020] [Indexed: 12/18/2022] Open
Abstract
Novel MRI active spindle-like nanoparticles prepared by a facile procedure display cytotoxicity due to synergistic combination of shape and europium content.
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Affiliation(s)
- Afanasy V. Lunin
- Moscow Institute of Physics and Technology (National Research University)
- Moscow
- Russia
| | - Ilya L. Sokolov
- Moscow Institute of Physics and Technology (National Research University)
- Moscow
- Russia
| | - Ivan V. Zelepukin
- Moscow Institute of Physics and Technology (National Research University)
- Moscow
- Russia
- Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry
- Russian Academy of Sciences
| | - Ilya V. Zubarev
- Moscow Institute of Physics and Technology (National Research University)
- Moscow
- Russia
| | - Maria N. Yakovtseva
- Moscow Institute of Physics and Technology (National Research University)
- Moscow
- Russia
| | - Elizaveta N. Mochalova
- Moscow Institute of Physics and Technology (National Research University)
- Moscow
- Russia
- Prokhorov General Physics Institute of the Russian Academy of Sciences
- Moscow 119991
| | - Julian M. Rozenberg
- Moscow Institute of Physics and Technology (National Research University)
- Moscow
- Russia
| | - Maxim P. Nikitin
- Moscow Institute of Physics and Technology (National Research University)
- Moscow
- Russia
| | - Eugene L. Kolychev
- Moscow Institute of Physics and Technology (National Research University)
- Moscow
- Russia
- Prokhorov General Physics Institute of the Russian Academy of Sciences
- Moscow 119991
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19
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Park JC, Kim DH, Park TY, Cha HJ, Seo JH. Polysaccharide-Hydrophobic Nanoparticle Hybrid Nanoclusters for Enhanced Performance in Magnetic Resonance/Photoacoustic Imaging. Biomacromolecules 2019; 20:4150-4157. [PMID: 31545593 DOI: 10.1021/acs.biomac.9b01008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Polysaccharide-nanoparticle (NP) hybrid nanoclusters have great potential to revitalize diverse bioapplications; however, fabricating polysaccharide-based hybrid nanoclusters composed of high-quality NPs generated in the organic phase remains a challenge. Here, using calcium alginate as a polysaccharide/tetramethylammonium hydroxide (TMAOH) combination, we report a novel approach to the design of alginate-hydrophobic magnetic-plasmonic core-shell (MPCS) NP hybrid nanoclusters (A-MPCS HNCs). Furthermore, we observe the dependence of the formation of A-MPCS HNCs on the TMAOH concentration. The enhanced performance in both magnetic resonance r2 relaxivity and photoacoustic (PA) signals and the biocompatibility/bioactivity as well as the in vivo performance of A-MPCS HNCs shows them to be a promising magnetic resonance/photoacoustic dual-mode imaging agent. Our strategy could open doors to the use of other precious high-quality nanomaterials created in the organic phase via well-established synthetic chemistry in the design of alginate-hydrophobic nanomaterial hybrid nanoclusters, giving rise to novel and multifarious bioapplications.
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Affiliation(s)
- Jeong Chan Park
- Department of Chemical Engineering , Pohang University of Science and Technology , 77 Cheongam-Ro, Nam-Gu , Pohang , Gyeongbuk 37673 , Korea
| | - Do Hyeon Kim
- School of Chemical Engineering , Yeungnam University , 280 Daehakro , Gyeongsan , Gyeongbuk 38541 , Korea
| | - Tae Yoon Park
- Department of Chemical Engineering , Pohang University of Science and Technology , 77 Cheongam-Ro, Nam-Gu , Pohang , Gyeongbuk 37673 , Korea
| | - Hyung Joon Cha
- Department of Chemical Engineering , Pohang University of Science and Technology , 77 Cheongam-Ro, Nam-Gu , Pohang , Gyeongbuk 37673 , Korea
| | - Jeong Hyun Seo
- School of Chemical Engineering , Yeungnam University , 280 Daehakro , Gyeongsan , Gyeongbuk 38541 , Korea
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20
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Magnetic Nanoclusters Coated with Albumin, Casein, and Gelatin: Size Tuning, Relaxivity, Stability, Protein Corona, and Application in Nuclear Magnetic Resonance Immunoassay. NANOMATERIALS 2019; 9:nano9091345. [PMID: 31546937 PMCID: PMC6781099 DOI: 10.3390/nano9091345] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 09/16/2019] [Accepted: 09/18/2019] [Indexed: 02/08/2023]
Abstract
The surface functionalization of magnetic nanoparticles improves their physicochemical properties and applicability in biomedicine. Natural polymers, including proteins, are prospective coatings capable of increasing the stability, biocompatibility, and transverse relaxivity (r2) of magnetic nanoparticles. In this work, we functionalized the nanoclusters of carbon-coated iron nanoparticles with four proteins: bovine serum albumin, casein, and gelatins A and B, and we conducted a comprehensive comparative study of their properties essential to applications in biosensing. First, we examined the influence of environmental parameters on the size of prepared nanoclusters and synthesized protein-coated nanoclusters with a tunable size. Second, we showed that protein coating does not significantly influence the r2 relaxivity of clustered nanoparticles; however, the uniform distribution of individual nanoparticles inside the protein coating facilitates increased relaxivity. Third, we demonstrated the applicability of the obtained nanoclusters in biosensing by the development of a nuclear-magnetic-resonance-based immunoassay for the quantification of antibodies against tetanus toxoid. Fourth, the protein coronas of nanoclusters were studied using SDS-PAGE and Bradford protein assay. Finally, we compared the colloidal stability at various pH values and ionic strengths and in relevant complex media (i.e., blood serum, plasma, milk, juice, beer, and red wine), as well as the heat stability, resistance to proteolytic digestion, and shelf-life of protein-coated nanoclusters.
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21
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Park JC, Park JK, Lee GT, Kim DH, Cha H, Park TY, Kim M, Chang Y, Cha HJ, Seo JH. Improved magnetic relaxivity via hierarchical surface structure of dysprosium-engineered superparamagnetic iron oxide nanoparticles in ultra-high magnetic field. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2019.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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22
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Liu N, Marin R, Mazouzi Y, Cron GO, Shuhendler A, Hemmer E. Cubic versus hexagonal - effect of host crystallinity on the T 1 shortening behaviour of NaGdF 4 nanoparticles. NANOSCALE 2019; 11:6794-6801. [PMID: 30907912 DOI: 10.1039/c9nr00241c] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Sodium gadolinium fluoride (NaGdF4) nanoparticles are promising candidates as T1 shortening magnetic resonance imaging (MRI) contrast agents due to the paramagnetic properties of the Gd3+ ion. Effects of size and surface modification of these nanoparticles on proton relaxation times have been widely studied. However, to date, there has been no report on how T1 relaxivity (r1) is affected by the different polymorphs in which NaGdF4 crystallizes: cubic (α) and hexagonal (β). Here, a microwave-assisted thermal decomposition method was developed that grants selective access to NaGdF4 nanoparticles of either phase in the same size range, allowing the influence of host crystallinity on r1 to be investigated. It was found that at 3 T cubic NaGdF4 nanoparticles exhibit larger r1 values than their hexagonal analogues. This result was interpreted based on Solomon-Bloembergen-Morgan theory, suggesting that the inner sphere contribution to r1 is more pronounced for cubic NaGdF4 nanoparticles as compared to their hexagonal counterparts. This holds true irrespective of the chosen surface modification, i.e. small citrate groups or longer chain poly(acrylic acid). Key aspects were found to be a polymorph-induced larger hydrodynamic diameter and the higher magnetization possessed by cubic nanoparticles.
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Affiliation(s)
- Nan Liu
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie Curie St. Ottawa (ON) K1N 6N5, Canada.
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23
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Fernández-Barahona I, Gutiérrez L, Veintemillas-Verdaguer S, Pellico J, Morales MD, Catala M, del Pozo MA, Ruiz-Cabello J, Herranz F. Cu-Doped Extremely Small Iron Oxide Nanoparticles with Large Longitudinal Relaxivity: One-Pot Synthesis and in Vivo Targeted Molecular Imaging. ACS OMEGA 2019; 4:2719-2727. [PMID: 31459508 PMCID: PMC6648411 DOI: 10.1021/acsomega.8b03004] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 01/22/2019] [Indexed: 05/27/2023]
Abstract
Synthesizing iron oxide nanoparticles for positive contrast in magnetic resonance imaging is the most promising approach to bring this nanomaterial back to the clinical field. The success of this approach depends on several aspects: the longitudinal relaxivity values, the complexity of the synthetic protocol, and the reproducibility of the synthesis. Here, we show our latest results on this goal. We have studied the effect of Cu doping on the physicochemical, magnetic, and relaxometric properties of iron oxide nanoparticles designed to provide positive contrast in magnetic resonance imaging. We have used a one-step, 10 min synthesis to produce nanoparticles with excellent colloidal stability. We have synthesized three different Cu-doped iron oxide nanoparticles showing modest to very large longitudinal relaxivity values. Finally, we have demonstrated the in vivo use of these kinds of nanoparticles both in angiography and targeted molecular imaging.
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Affiliation(s)
- Irene Fernández-Barahona
- Instituto
de Química Médica, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
- Universidad
Complutense de Madrid and Centro de Investigación Biomédica
en Red de Enfermedades Respiratorias (CIBERES), 28029 Madrid, Spain
| | - Lucía Gutiérrez
- Departamento
de Química Analítica, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Instituto de Ciencia de Materiales
de Aragón (ICMA/CSIC) y CIBER-BBN, 50018 Zaragoza, Spain
| | | | - Juan Pellico
- Instituto
de Química Médica, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
- Centro
Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) and
CIBERES, 28029 Madrid, Spain
| | - María del
Puerto Morales
- Instituto
de Ciencia de Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz 3, Cantoblanco, 28049 Madrid, Spain
| | - Mauro Catala
- Centro
Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Miguel A. del Pozo
- Centro
Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Jesús Ruiz-Cabello
- CIC biomaGUNE, Paseo de Miramón 182, 20014 Donostia/San Sebastián, Spain
- Ikerbasque,
Basque Foundation for Science, 48013 Bilbao, Spain
- Universidad
Complutense de Madrid and Centro de Investigación Biomédica
en Red de Enfermedades Respiratorias (CIBERES), 28029 Madrid, Spain
| | - Fernando Herranz
- Instituto
de Química Médica, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
- Centro
Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) and
CIBERES, 28029 Madrid, Spain
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24
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Zeng C, Lu N, Wen Y, Liu G, Zhang R, Zhang J, Wang F, Liu X, Li Q, Tang Z, Zhang M. Engineering Nanozymes Using DNA for Catalytic Regulation. ACS APPLIED MATERIALS & INTERFACES 2019; 11:1790-1799. [PMID: 30582796 DOI: 10.1021/acsami.8b16075] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
DNA treatment of metal nanoparticles provides a potent tool for tuning their native properties and constructing advanced materials. However, there have been limited studies on interactions between DNA and nanomaterial-based artificial enzymes (nanozymes) to influence their intrinsic peroxidase-like properties. Here, we present the utilization of DNA as a capping ligand to engineer various bio-nanointerfaces for high-precise and adjustable regulation of catalytic behaviors of nanozymes toward the oxidation of substrates. The treatment of stiff double-stranded DNA only induced a negligible enhancement of the catalytic activity of nanozymes, and both coil-like single-stranded DNA and hairpin DNA-capped nanoparticles produced a medium signal increase. Interestingly, hybridization chain reaction (HCR) product-treated nanoparticles showed the highest peroxidase-like activities among four DNA structures. Furthermore, significant parameters that influence HCR process and the modulation of catalysis, such as the concentration of the hairpin DNA, the ionic strength, and the amount of nanozyme, were also systematically investigated. On the basis of HCR amplification and iron oxide (Fe3O4) nanoparticles, we develop a simple, fast, label-free, and sensitive colorimetric strategy for sensing of a Yersinia pestis-relevant DNA sequence with a detection limit as low as 100 pM as well as single nucleotide polymorphism discrimination. These results highlight DNA engineering as a facile strategy to regulate the catalytic activities of nanozymes and understand the interactions between metallic nanoparticles and nucleic acids for biosensing applications.
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Affiliation(s)
- Caixia Zeng
- School of Materials Engineering , Shanghai University of Engineering Science , Shanghai 201620 , China
| | - Na Lu
- School of Materials Engineering , Shanghai University of Engineering Science , Shanghai 201620 , China
| | - Yanli Wen
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology , Shanghai Institute of Measurement and Testing Technology , Shanghai 201203 , China
| | - Gang Liu
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology , Shanghai Institute of Measurement and Testing Technology , Shanghai 201203 , China
| | - Rui Zhang
- School of Materials Engineering , Shanghai University of Engineering Science , Shanghai 201620 , China
| | - Jiaxing Zhang
- School of Materials Engineering , Shanghai University of Engineering Science , Shanghai 201620 , China
| | - Fei Wang
- School of Chemistry and Chemical Engineering, Institute of Molecular Medicine, Renji Hospital, School of Medicine , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Xiaoguo Liu
- School of Chemistry and Chemical Engineering, Institute of Molecular Medicine, Renji Hospital, School of Medicine , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Qian Li
- School of Chemistry and Chemical Engineering, Institute of Molecular Medicine, Renji Hospital, School of Medicine , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Zisheng Tang
- Department of Endodontics, Shanghai Ninth People's Hospital, College of Stomatology , Shanghai Jiao Tong University School of Medicine , Shanghai 200011 , China
- National Clinical Research Center of Oral Diseases , Shanghai 200011 , China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology , Shanghai 200011 , China
| | - Min Zhang
- College of Chemistry and Chemical Engineering , Shanghai University of Engineering Science , Shanghai 201620 , China
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