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      Preparation and Magnetic Properties of Nd/FM (FM=Fe, Co, Ni)/PA66 Three-Layer Coaxial Nanocables

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          Abstract

          A new preparation method of three-layer coaxial nanocables has been developed in this work. Nd/FM (FM=Fe, Co, Ni)/PA66 three-layer coaxial nanocables were assembled successfully from outer to inner layer by layer. PA66 nanotubes which served as the outer shell were prepared by polymer solution wetting AAO template. Ferromagnetic metals and Nd were deposited into pre-prepared PA66 nanotubes to be served as the middle layer and inner core, respectively. The results show that the structure has effects on the magnetic properties, and the nanocable preparation allows each layer, length, and thickness of the nanocables to be tuned.

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          3D Interconnected and Multiwalled Carbon@MoS 2@Carbon Hollow Nanocables as Outstanding Anodes for Na-Ion Batteries

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            The mechanism of coercivity enhancement by the grain boundary diffusion process of Nd–Fe–B sintered magnets

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              Bovine Serum Albumin-Conjugated Ferrimagnetic Iron Oxide Nanoparticles to Enhance the Biocompatibility and Magnetic Hyperthermia Performance

              Abstract Magnetic hyperthermia is a fast emerging, non-invasive cancer treatment method which is used synergistically with the existing cancer therapeutics. We have attempted to address the current challenges in clinical magnetic hyperthermia-improved biocompatibility and enhanced heating characteristics, through a single combinatorial approach. Both superparamagnetic iron oxide nanoparticles (SPIONs) of size 10 nm and ferrimagnetic iron oxide nanoparticles (FIONs) of size 30 nm were synthesized by thermal decomposition method for comparison studies. Two different surface modifying agents, viz, Cetyl Trimethyl Ammonium Bromide and 3-Aminopropyltrimethoxysilane, were used to conjugate Bovine Serum Albumin (BSA) over the iron oxide nanoparticles via two different methods—surface charge adsorption and covalent amide bonding, respectively. The preliminary haemolysis and cell viability experiments show that BSA conjugation mitigates the haemolytic effect of the iron oxide nanoparticles on erythrocytes and is non-cytotoxic to the healthy Baby Hamster Kidney cells. It was observed from the results that due to better colloidal stability, the SAR value of the BSA-iron oxide nanoparticles is higher than the iron oxide nanoparticles without BSA, irrespective of the size of the iron oxide nanoparticles and method of conjugation. The BSA-FIONs seem to show improved biocompatibility, as the haemolytic index is less than 2 % and cell viability is up to 120 %, when normalized with the control. The SAR value of BSA-FIONs is 2300 W g−1 when compared to 1700 W g−1 of FIONs without BSA conjugation. Thus, we report here that BSA conjugation over FIONs (with a high saturation magnetization of 87 emu g−1) provide a single combinatorial approach to improve the biocompatibility and enhance the SAR value for magnetic hyperthermia, thus addressing both the current challenges of the same. Graphical Abstract
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                Author and article information

                Contributors
                lixiaoruqdu@126.com
                lihongyan9856@163.com
                songguojunqdu@126.com
                pengzhi2001@163.com
                mlc840311@163.com
                1164960954@qq.com
                1515971582@qq.com
                2821668863@qq.com
                Journal
                Nanoscale Res Lett
                Nanoscale Res Lett
                Nanoscale Research Letters
                Springer US (New York )
                1931-7573
                1556-276X
                19 October 2018
                19 October 2018
                2018
                : 13
                : 326
                Affiliations
                ISNI 0000 0001 0455 0905, GRID grid.410645.2, Institute of Polymer Materials, School of Materials Science and Engineering, , Qingdao University, ; No. 308 Ningxia Road, Qingdao, 266071 People’s Republic of China
                Author information
                http://orcid.org/0000-0002-3829-3414
                Article
                2742
                10.1186/s11671-018-2742-8
                6195504
                30341558
                ba135eee-c8be-4f69-9a84-8be64dfd2e30
                © The Author(s). 2018

                Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

                History
                : 22 August 2018
                : 4 October 2018
                Funding
                Funded by: FundRef http://dx.doi.org/10.13039/501100007129, Natural Science Foundation of Shandong Province;
                Award ID: ZR2014EMQ002
                Award Recipient :
                Funded by: FundRef http://dx.doi.org/10.13039/501100002858, China Postdoctoral Science Foundation;
                Award ID: 2017M612196
                Award Recipient :
                Categories
                Nano Express
                Custom metadata
                © The Author(s) 2018

                Nanomaterials
                nanocable,magnetic property,rare earth metal,electrodeposition
                Nanomaterials
                nanocable, magnetic property, rare earth metal, electrodeposition

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