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4. Surface-Modified Iron Oxide Nanoparticles with Natural Biopolymers for Magnetic Hyperthermia: Effect of Reducing Agents and Type of Biopolymers.

Author

Hajalilou, Abdollah, Ferreira, Liliana P., Jorge, M. E. Melo, Reis, César P., and Cruz, Maria Margarida

Subjects
IRON oxide nanoparticles, MAGNETIC nanoparticles, PARTICLE size distribution, DEXTRINS, MAGNETIC materials, MAGNETIC nanoparticle hyperthermia, GUM arabic
Abstract

Magnetic fluid hyperthermia, a minimally invasive localized therapy that uses heat generated by magnetic nanoparticles under an AC magnetic field, is a complementary approach for cancer treatment that is excellent due to its advantages of being noninvasive and addressing only the affected region. Still, its use as a stand-alone therapy is hindered by the simultaneous requirement of nanoparticle biocompatibility, good heating efficiency, and physiological safe dose. To overcome these limits, the biocompatible magnetic nanoparticles' heating efficiency must be optimized. Iron oxide nanoparticles are accepted as the more biocompatible magnetic nanoparticles available. Therefore, in this work, superparamagnetic iron oxide nanoparticles were synthesized by a low-cost coprecipitation method and modified with starch and gum to increase their heating efficiency and compatibility with living tissues. Two different reducing agents, sodium hydroxide (NaOH) and ammonium hydroxide (NH4OH), were used to compare their influence. The X-ray diffraction results indicate the formation of a single magnetite/maghemite phase in all cases, with the particle size distribution depending on the coating and reducing agent. Citric acid functionalized water-based ferrofluids were also prepared to study the heating efficiency of the nanoparticles under a magnetic field with a 274 kHz frequency and a 14 kAm−1 amplitude. The samples prepared with NaOH display a higher specific loss power (SLP) compared to the ones prepared with NH4OH. The SLP value of 72 Wg−1 for the magnetic nanoparticles coated with a combination of starch and gum arabic, corresponding to an intrinsic loss power (ILP) of 2.60 nWg−1, indicates that they are potential materials for magnetic hyperthermia therapy. [ABSTRACT FROM AUTHOR]

Published
2024
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7. 3R Batteries: Resilient, Repairable, and Recyclable Based on Liquid Gallium Electrode.

Author

Parvini, Elahe, Hajalilou, Abdollah, Lopes, Pedro Alhais, Silva, André F., Tiago, Miguel Soares Maranha, Fernandes, Pedro Miguel Patrício, de Almeida, Anibal T., and Tavakoli, Mahmoud

Subjects
*GALLIUM, *STRAINS & stresses (Mechanics), *STORAGE batteries, *ELECTRODES, *ENERGY storage
Abstract

Billions of disposable thin‐film electronics will be produced annually in the near future, for applications in smart packaging, IoT, and wearable biomonitoring patches. For these cases, traditional rigid batteries are not optimal neither in terms of form and ergonomics nor ecological aspects. There is an urgent need for a new class of energy storage devices that are thin, stretchable, resilient, and recyclable. Herein, a novel architecture of materials and fabrication techniques is presented that permit a fully 3D printed soft‐matter thin‐film battery that is Resilient to mechanical strain, Repairable if cut, Rechargeable, and Recyclable at the end of its life. By taking advantage of a digitally printable ultra‐stretchable liquid metal‐based current collector and a novel Gallium‐Carbon anode electrode, the Ag2O‐Gallium battery is rapidly printed and customized per application. By optimizing the properties of the Gallium‐Carbon composite, a record‐breaking areal capacity of 26.37 mAh cm−2 is obtained, which improves after 10 cycles at 100% strain to 30.32 mAh cm−2, and an unprecedented maximum strain tolerance of ≈200%. Partially damaged batteries heal themselves. Severely damaged batteries are healed through innovative cold‐vapor stimulation. An example of a digitally printed, taylor‐made battery‐on‐the‐board health‐monitoring patch with printed sensors for monitoring the heart, and respiration is demonstrated. [ABSTRACT FROM AUTHOR]

Published
2024
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16. Electrorheological (ER) Fluids

Author

Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, Shameli, Kamyar, Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, and Shameli, Kamyar

Published
2016
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17. Ferrofluids

Author

Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, Shameli, Kamyar, Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, and Shameli, Kamyar

Published
2016
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18. Models and Modes in MR Fluids

Author

Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, Shameli, Kamyar, Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, and Shameli, Kamyar

Published
2016
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21. Magnetorheological (MR) Fluids

Author

Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, Shameli, Kamyar, Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, and Shameli, Kamyar

Published
2016
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22. Magnetism

Author

Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, Shameli, Kamyar, Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, and Shameli, Kamyar

Published
2016
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27. List of contributors

Author

Abouzari-Lotf, Ebrahim, primary, Arsalani, Nasser, additional, Baby, Deepa K., additional, Bouhfid, Rachid, additional, Chandran, Nithin, additional, C, Sarathchandran, additional, Datta, Janusz, additional, Głowińska, Ewa, additional, Hajalilou, Abdollah, additional, Hirschberg, Valerian, additional, Kakati, Abhijit, additional, Müller, A.J., additional, Otsuki, Akira, additional, Ouarhim, Wafa, additional, Parcheta, Paulina, additional, Prasad, Siddhant Kumar, additional, Qaiss, Abou el kacem, additional, Rezaie, Ehsan, additional, Rezanezhad, Armin, additional, Rodrigue, Denis, additional, Sangroniz, L., additional, Sangwai, Jitendra S., additional, Santamaría, A., additional, Semlali Aouragh Hassani, Fatima-Zahra, additional, Thomas, Sabu, additional, Wilhelm, Manfred, additional, and Włoch, Marcin, additional

Published
2020
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32. Introduction

Author

Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, Shameli, Kamyar, Hajalilou, Abdollah, Amri Mazlan, Saiful, Lavvafi, Hossein, and Shameli, Kamyar

Published
2016
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34. Contributors

Author

Aghakhani, Ali, primary, Auñon-Calles, D.A., additional, Ayala-Hernández, M., additional, Ballus, Cristiano Augusto, additional, Bhardwaj, Aastha, additional, Bian, Xiaojun, additional, Cao, Min-Jie, additional, Chandra, S., additional, Chapman, J., additional, Chen, Xu, additional, Chen, Bowen, additional, Chen, Shunsheng, additional, Colombo, Raffaella, additional, Cozzolino, D., additional, Ding, Mengzhen, additional, Domínguez-Perles, R., additional, Feng, Tao, additional, Fortea, M.I., additional, Gabaldón, J.A., additional, Ghadimi, Laleh Saleh, additional, Gil-Izquierdo, A., additional, Gomez-Morte, T., additional, Hajalilou, Abdollah, additional, Han, Huan, additional, He, Lili, additional, He, Qingyan, additional, Hong, Bin, additional, Janve, Madhura, additional, Jayachandran, Lakshmi E., additional, Jiao, Yang, additional, Ke, Lijing, additional, Khmelinskii, Igor, additional, Kothakota, Anjineyulu, additional, Li, Lanying, additional, Lin, Duanquan, additional, Liu, Yuan, additional, Liu, Yi-Xiang, additional, Liu, Guang-Ming, additional, Liu, Gang, additional, Miao, Song, additional, Mishra, Annu, additional, Mohd Fairulnizal, M.N., additional, Mohd Naeem, M.N., additional, Narang, Jagriti, additional, Nayak, Debasis, additional, Neves, Daniela Andrade, additional, Nie, Qixing, additional, Nie, Shaoping, additional, Núñez-Delicado, E., additional, da Silva Oliveira, Wellington, additional, Papetti, Adele, additional, Power, A.C., additional, Purohit, Soumya Ranjan, additional, Raj, Anu S., additional, Rao, Pingfan, additional, Rao, P. Srinivasa, additional, Rathi, D.N., additional, Rezaei, Karamatollah, additional, Shah, Faisal, additional, Sharma, Vasudha, additional, Shi, Aimin, additional, Shi, Cuiping, additional, Sikorska, Ewa, additional, Sikorski, Marek, additional, Siliveru, Kaliramesh, additional, Song, Shiqing, additional, Sun, Min, additional, Thirumdas, Rohit, additional, Tian, Yongqi, additional, Vimala, B., additional, Wang, Xichang, additional, Wang, Wenli, additional, Wang, Shaoyun, additional, Wang, Qiang, additional, Wang, Siqi, additional, Wen, Yanli, additional, Wu, Qiyue, additional, Xu, Changhua, additional, Xu, Yang, additional, Yadav, Neelam, additional, Yan, Juan, additional, Yánez-Gascón, M.J, additional, Yang, Tianxi, additional, Yao, Lingyun, additional, Yu, Zhaoshuo, additional, Zhang, Xinzhong, additional, Zhang, Hongcai, additional, Zhao, Bin, additional, Zhao, Yong, additional, Zhong, Jian, additional, Zhong, Yaoguang, additional, and Zhuang, Haining, additional

Published
2019
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