Review
Chemistry, Multidisciplinary
Juan Esteban Montoya Cardona, Dounia Louaguef, Eric Gaffet, Nureddin Ashammakhi, Halima Alem
Summary: Despite some delays in clinical implementation, functionalized magnetic and photothermal nanostructures remain the most promising way to target hyperthermia treatment of cancer towards local tumor regions. The synthesis method and parameters play a crucial role in optimizing the physicochemical properties for efficient energy transduction into locally released heat. This review aims to provide the latest applications and prospects of nanomaterials for hyperthermia properties.
MATERIALS CHEMISTRY FRONTIERS
(2021)
Article
Materials Science, Biomaterials
Fatima Fernandez-Alvarez, Carlos Caro, Gracia Garcia-Garcia, Maria Luisa Garcia-Martin, Jose L. Arias
Summary: The study has successfully developed a biocompatible and long-circulating nanoplatform with promising therapeutic applications in biomedical imaging and hyperthermia against cancer. The nanoparticles showed satisfactory embedment of iron oxide nanocores within a solid polymer matrix and the formation of an external shell of chitosan, demonstrating adequate magnetic responsiveness and heating properties for potential clinical use.
JOURNAL OF MATERIALS CHEMISTRY B
(2021)
Article
Materials Science, Multidisciplinary
Bowen Dong, Haobo Wang, Gabriel Santillan, Andrew Sherman, Matthew A. Willard
Summary: Core-shell FeCo/MnZn ferrite powders were prepared by the sol-gel method and processed into bulk composites using the field-assisted sintering technique. It was found that the magnetic properties of the compacts changed as the MnZn ferrite content in the original core-shell powder increased, with an increase in coercivity and a decrease in saturation magnetization. Thermodynamics calculation indicated that a reaction between FeCo and MnZn ferrite occurs at 800 degrees C, but MnZn ferrite is favored at lower temperatures.
Article
Chemistry, Physical
Wen Nie, Ting Yu, Zhiguang Wang, Xiawei Wei
Summary: Soft magnetic composites (SMCs) are widely used in electronic components, and their high-frequency characteristics can be improved by coating FeSiCr powders with different concentrations of MnZn ferrites. In the experiment, SMCs with 4.0 wt% MnZn ferrites showed the best electromagnetic properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
Nikolaos Ntallis, Corisa Kons, Hariharan Srikanth, Manh-Huong Phan, D. A. Arena, Manuel Pereiro
Summary: In this study, the magnetic properties of ferrite nanoparticles were investigated using theoretical techniques based on Monte Carlo methods. Different levels of complexity were introduced to the macro-magnetic model, allowing for the study of single nanoparticles, core-shell nanoparticles, and assemblies of nanoparticles. The results showed good agreement with experimental data, providing an important tool for understanding the internal structure and spin interactions of ferrite nanoparticles.
Article
Chemistry, Multidisciplinary
J. K. Han, A. A. Baker, J. R. I. Lee, S. K. McCall
Summary: Exchange coupling in a model core-shell system is demonstrated as a step towards 3D exchange spring magnets. High-quality core-shell nanoparticles of Ni@CoFe2O4 were fabricated using a simple two-step method. The microstructural quality was validated using TEM, confirming a well-defined interface between the core and the shell. Results showed a strongly temperature-dependent two-phase magnetic hysteresis loop, indicating a coupling of approximately 50% between the core and the shell. Element-specific XMCD hysteresis confirmed the presence of exchange coupling, suppressing the superparamagnetism of the Ni core at room temperature, and achieving a coercivity of >6 kOe at 80 K. These findings provide a pathway for the development of heterostructured metal-oxide exchange-coupled nanoparticles with improved maximum energy product.
Article
Chemistry, Multidisciplinary
Roman Buchheit, Bjoern Kuttich, Lola Gonzalez-Garcia, Tobias Kraus
Summary: A new type of hybrid core-shell nanoparticle dielectric suitable for inkjet printing is introduced, with gold cores covalently grafted with polystyrene to create dielectric layers with metal volume fractions of 5 to 21%. The materials show high dielectric constants without the risk of breakdown at high metal fractions, making them ideal for capacitor applications.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Simone Moretto, Adriano Santos Silva, Jose L. Diaz de Tuesta, Fernanda F. Roman, Rita Cortesi, Ana Raquel Bertao, Manuel Banobre-Lopez, Marta Pedrosa, Adrian M. T. Silva, Helder T. Gomes
Summary: This study explores nickel ferrite nanoparticles as a magnetic core for drug delivery systems. The developed nanoparticles possess stability, biocompatibility, and suitable size for biomedical applications. The nanoparticles demonstrate versatility in drug loading and pH-triggered release under acidic conditions.
MATERIALS TODAY CHEMISTRY
(2023)
Article
Multidisciplinary Sciences
Serena Fiocchi, Emma Chiaramello, Alessandra Marrella, Giulia Suarato, Marta Bonato, Marta Parazzini, Paolo Ravazzani
Summary: The recent development of core-shell nanoparticles combining magnetostrictive and piezoelectric phases has attracted attention. This study analyzes their magnetoelectric behavior using a numerical approach and proposes a nonlinear model to describe the response of different core-shell nanoparticles to magnetic field stimuli. Results show that the composition and size of the nanoparticles affect their electric output, suggesting the possibility of tuning their responses for specific applications.
Article
Chemistry, Physical
Yajing Shang, Fan Luo, Zhongxia Duan
Summary: MnZn ferrite homogeneous fibers were synthesized and used as reinforcing phase in MnZn ferrite materials. The doping of homogeneous fibers significantly affected the microstructure, magnetic, and mechanical properties of the materials. The addition of a certain content of homogeneous fibers resulted in more uniform and compact crystal structures, lower porosity, and fewer grain boundaries, leading to improved magnetic and mechanical properties. The best properties were obtained with a fiber content of about 2%.
Article
Engineering, Chemical
Urszula Klekotka, Dariusz Satula, Anna Wasilewska, Beata Kalska-Szostko
Summary: A series of core-shell ferrite nanoparticles were prepared by the thermal decomposition of iron(III) acetylacetonate, with different amounts of Co3+, Mn3+, or Ni2+ dopants. The influence of doping on the crystalline structure and oxidation process of the nanoparticles was determined by treating them at 500°C for 24 h in the air atmosphere. Characterization techniques including transmission electron microscopy, energy dispersive X-ray, X-ray diffraction, and Mossbauer spectroscopy were used to evaluate the nanoparticles before and after thermal treatment. The results show that doping with different 3d elements modulates the oxidation process of ferrite nanoparticles, providing new possibilities for their application.
ADVANCED POWDER TECHNOLOGY
(2023)
Article
Chemistry, Physical
Chi Zhang, Fangfang Deng, Wenqi Xiong, Xujie Wang, Shengjun Yuan, Tao Ding
Summary: The study demonstrates that molecular extraction efficiency can be enhanced with the assistance of nanoparticles, which exhibit reversible phase transfer between different phases. Experimental results show that the extraction efficiency with nanoparticle assistance is significantly higher than without nanoparticles. This nanoparticle-assisted molecular transportation will have important implications for biphasic catalysis, pollutant treatment, and drug delivery.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Materials Science, Multidisciplinary
Kangkang Yao, Yin Zhang, Wenlong Xu, Jianing Li, Fang Wang, Minwei Xu, Fanghua Tian, Chao Zhou, Sen Yang
Summary: In this study, a core-shell nanostructure composed of CoFe2O4 as the core and Prussian blue analog as the shell (CoFe2O4@PBA) was synthesized. The introduction of a photo-sensitive shell resulted in unexpected changes in saturation magnetization and coercivity of the hybrid material under illumination at 5 K. The photo-magnetic effect was attributed to the valence state transition of Fe ions in CoFe2O4 induced by the optical-excited electrons transfer from the CoFe PBA shell to the CoFe2O4 core.
Article
Food Science & Technology
Yang Song, Jingyi Jin, Liuling Hu, Bingqian Hu, Mengyao Wang, Lilong Guo, Xiyan Lv
Summary: This study synthesized two types of UCNPs with different structures and coupled them with antibodies and magnetic nanoparticles to establish a rapid and sensitive fluorescence immunoassay for the simultaneous detection of fenpropathrin and procymidone. The results showed that the method had low detection limits and high sensitivity, and it could be applied to the rapid detection of fenpropathrin and procymidone in food.
Article
Nanoscience & Nanotechnology
Somia Tomane, Claire Wilhelm, Souhir Boujday, Alexandre Fromain, Antoine Miche, Flavien Bourdreux, Anne Dolbecq, Pierre Mialane, Anne Vallee
Summary: Monodisperse and perfectly shaped core/shell AuNP@Mo(4)Zol(2)Mn nanohybrids were designed as excellent candidates for combined chemotherapy and photothermal cancer therapy. The nanoparticles were readily confined in endosomal compartments of prostate cancer cells and showed significant anticancer activity under photothermal treatment. This study demonstrates the potential of AuNPs capped by POMs in cancer therapy.
ACS APPLIED NANO MATERIALS
(2021)
Article
Metallurgy & Metallurgical Engineering
Yuejun Ouyang, Lin-Xin Li, Zhi-Hui Xie, Lili Tang, Fuhui Wang, Chuan-Jian Zhong
Summary: This study demonstrates a new strategy for constructing pH-responsive nanocontainers and successfully applying them to corrosion protection of magnesium alloy. A smart corrosion protection system was achieved by incorporating the synthesized nanocontainers into a self-assembled nanophase particle coating. Electrochemical tests and visual observations showed that the hybrid coating exhibited the best barrier properties and corrosion resistance.
JOURNAL OF MAGNESIUM AND ALLOYS
(2022)
Article
Multidisciplinary Sciences
Zhi-Peng Wu, Dominic T. Caracciolo, Yazan Maswadeh, Jianguo Wen, Zhijie Kong, Shiyao Shan, Jorge A. Vargas, Shan Yan, Emma Hopkins, Keonwoo Park, Anju Sharma, Yang Ren, Valeri Petkov, Lichang Wang, Chuan-Jian Zhong
Summary: Alloying noble metals with non-noble metals can achieve high catalytic activity and reduce costs. The study shows that realloying plays a crucial role in enhancing the durability of certain multimetallic nanoalloys.
NATURE COMMUNICATIONS
(2021)
Review
Nanoscience & Nanotechnology
Shan Wang, Aolin Lu, Chuan-Jian Zhong
Summary: Hydrogen is a promising substitute for fossil fuels as a clean and renewable energy source. Efficient hydrogen production is a key challenge, with catalysis and electrocatalysis playing a critical role in achieving this goal.
Article
Chemistry, Analytical
Grasianto, Mao Fukuyama, Derrick M. Mott, Yoshitaka Koseki, Hitoshi Kasai, Akihide Hibara
Summary: Microfluidic paper analytical devices (mu PADs) are cost-effective and simple for on-site metal ion analysis, but low sensitivity has been an issue. This study demonstrates the use of organic nanocrystals immobilized on mu PADs for colorimetric detection of metal ions with sample enrichment, greatly improving sensitivity and quantification ability in heavy metal analysis.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Nanoscience & Nanotechnology
Aiai Zhang, Jinfang Wu, Lei Xue, Caixia Li, Shanghong Zeng, Dominic Caracciolo, Shan Wang, Chuan-Jian Zhong
Summary: The catalyst morphology significantly influences the electrocatalytic activity, with petal-shaped catalysts showing enhanced performance due to the presence of abundant AuO- species. The coexistence of different gold species on the surface of Cu2O particles affects the catalytic properties, leading to a clearer understanding of the relationship between morphology and electrocatalytic performance.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Nanoscience & Nanotechnology
Haval Kareem, Yazan Maswadeh, Zhi-Peng Wu, Asher C. Leff, Han-Wen Cheng, Shiyao Shan, Shan Wang, Richard Robinson, Dominic Caracciolo, Alex Langrock, David M. Mackie, Dat T. Tran, Valeri Petkov, Chuan-Jian Zhong
Summary: This study investigates the details of a ternary nanoalloy under propane oxidation conditions using high-energy synchrotron X-ray diffraction and diffuse reflectance infrared Fourier transform spectroscopy. The results reveal that subtle differences in phase structure and surface activity changes correlate with the Ni-composition-dependent catalytic activity of the nanoalloys, shedding light on the design of oxidation catalysts with enhanced activities.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Analytical
Han-Wen Cheng, Shu-Yan Xue, Jing Li, Justine S. Gordon, Shan Wang, Nina R. Filippone, Quang Minh Ngo, Chuan-Jian Zhong
Summary: The plasmonic field enhancement of gold and magnetic core@gold shell nanoparticles is increasingly being used for the development of SERS-based biosensors. Understanding the factors controlling the electromagnetic field enhancement in SERS biosensing applications is crucial for designing optimal nanoprobes. The results of theoretical calculations on the electromagnetic field intensity of dimer models highlight the importance of nanoparticle sizes, core-shell sizes, and interparticle spacing in SERS detection.
Article
Nanoscience & Nanotechnology
Shan Yan, Dong K. Dinh, Guojun Shang, Shan Wang, Wei Zhao, Xin Liu, Richard Robinson, Jack P. Lombardi, Ning He, Susan Lu, Mark Poliks, Benjamin S. Hsiao, Ivan Gitsov, Chuan-Jian Zhong
Summary: This study demonstrates the creation of chemically responsive electro-functionality in nonconductive, hydrophobic, and free-contacted textile or fibrous network materials by embedding size-tunable gold nanoparticles and structurally sensitive dendrons as crosslinkers in an electrospun polymeric fibrous substrate. The resulting fibrous structure shows high sensitivity to molecular interactions and exhibits chemiresistive responses to vaporous alcohol molecules with different chain lengths and isomers. This approach utilizes the multifunctional tunability of the nano-filaments in a sensor array format, providing potential applications in breath and sweat sensing as well as environmental monitoring of air quality.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Analytical
John-Bruce D. Green, Eamonn Clarke, Marc D. Porter, Christie A. McDermott, Mark T. McDermott, Chuan-Jian Zhong, Adam Johan Bergren
Summary: The roughness of the gold surface can affect the properties of alkanethiolate monolayers as barriers for electron transfer, as shown in the formation of the adlayer and the size and density of structural defects.
Article
Chemistry, Multidisciplinary
Richard Robinson, Virginia Krause, Shan Wang, Shan Yan, Guojun Shang, Justine Gordon, Serena Tycko, Chuan-Jian Zhong
Summary: There is an increasing need to reduce the silver content in silver-based inks or pastes and achieve low-temperature sintering for scalable and low-cost production of printed wearable electronics. This study reports a scalable wet chemical synthesis method for the preparation of bimetallic silver-copper alloy nanoinks with room temperature sintering properties. It is found that the nanoinks can sinter on paper substrates at room temperature.
Article
Chemistry, Analytical
Zaiqi Wang, Guojun Shang, Dong Dinh, Shan Yan, Jin Luo, Aimin Huang, Lefu Yang, Susan Lu, Chuan-Jian Zhong
Summary: This paper describes the design of a low-current, multichannel, handheld electronic device integrated with nanostructured chemiresistor sensor arrays. The device meets the requirements of low excitation current, low power consumption, and stability, making it promising for applications in air quality and biosensor fields.
Article
Materials Science, Multidisciplinary
Yue Liu, Feng Peng, Guang-Ling Yang, Zhi-Hui Xie, Wenxin Dai, Yuejun Ouyang, Liang Wu, Chuan-Jian Zhong
Summary: This study demonstrates the utilization of photoelectrochemical cathodic protection (PECCP) with a metallic nickel interlayer for the indirect corrosion protection of metals with low self-corrosion potential. By coupling a covalent organic framework decorated TiO2 photoanode with nickel coating on magnesium alloy, the PECCP efficiency is enhanced. The composite structure and the enhanced performance are characterized and a corrosion protection mechanism is proposed.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Review
Chemistry, Physical
Han-Wen Cheng, Shan Wang, Guanyu Chen, Zhengwang Liu, Dominic Caracciolo, Merry Madiou, Shiyao Shan, Jincang Zhang, Heyong He, Renchao Che, Chuan-Jian Zhong
Summary: This review emphasizes the latest insights into heterogeneous catalysts under relevant reaction conditions using in situ/operando transmission electron microscopic techniques. By discussing atomic-scale and nanoscale details, it highlights the challenges and opportunities in terms of catalytic properties and design applications.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Lichang Wang, Rotimi M. Ore, Peshala K. Jayamaha, Zhi-Peng Wu, Chuan-Jian Zhong
Summary: Activity, cost, and durability are the three main aspects of catalysis research for the electrochemical oxygen reduction reaction (ORR). This study focuses on the stability of a trimetallic PtPdCu catalyst using density functional theory (DFT) calculations, investigating the dissolution/deposition and diffusion processes and their role in stabilizing the catalyst.
FARADAY DISCUSSIONS
(2023)
Article
Chemistry, Physical
Yue Liu, Huan Yao, Liang Wu, Zhi-Hui Xie, Chuan-Jian Zhong
Summary: Using nanomaterials to design and prepare photoanodes can improve photoelectrochemical and photocathodic protection performances. This study focuses on the correlation between the detailed nanostructure and performance of a ZnO/TiO2 composite for the PCP of nickel-coated magnesium alloy. By manipulating the hydrothermal reaction temperature, a morphologically tunable nano-ZnO semiconductor was obtained, and the optimum photoelectrochemical and PCP capacities were achieved. The enhanced performance was attributed to the morphological regulation of nano-ZnO and the formation of staggered gap heterojunction between ZnO and TiO2.
APPLIED SURFACE SCIENCE
(2023)