A biomimetic conductive super-foldable material

Zan, Guangtao; Wu, Tong; Zhu, Feng; He, Pan; Cheng, Yupei; Chai, Shan-Shan; Wang, Ying; Huang, Xin; Zhang, Wei‐xian; Wan, Ying; Peng, Xiaojun; Wu, Qingsheng

doi:10.1016/j.matt.2021.07.021

Cited by 82 publications

(44 citation statements)

References 35 publications

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“…Biomimetic materials are widely used in literature, due to their biophysical properties [ 28 , 29 ]. Among them, agarose is a perfect candidate that simulates the mechanical and thermoelectric properties of tissues.…”

Section: Methodsmentioning

confidence: 99%

Numerical Simulation of Temperature Variations during the Application of Safety Protocols in Magnetic Particle Hyperthermia

et al. 2022

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Unavoidably, magnetic particle hyperthermia is limited by the unwanted heating of the neighboring healthy tissues, due to the generation of eddy currents. Eddy currents naturally occur, due to the applied alternating magnetic field, which is used to excite the nanoparticles in the tumor and, therefore, restrict treatment efficiency in clinical application. In this work, we present two simply applicable methods for reducing the heating of healthy tissues by simultaneously keeping the heating of cancer tissue, due to magnetic nanoparticles, at an adequate level. The first method involves moving the induction coil relative to the phantom tissue during the exposure. More specifically, the coil is moving symmetrically—left and right relative to the specimen—in a bidirectional fashion. In this case, the impact of the maximum distance (2–8 cm) between the coil and the phantom is investigated. In the second method, the magnetic field is applied intermittently (in an ON/OFF pulsed mode), instead of the continuous field mode usually employed. The parameters of the intermittent field mode, such as the time intervals (ON time and OFF time) and field amplitude, are optimized based on the numerical assessment of temperature increase in healthy tissue and cancer tissue phantoms. Different ON and OFF times were tested in the range of 25–100 s and 50–200 s, respectively, and under variable field amplitudes (45–70 mT). In all the protocols studied here, the main goal is to generate inside the cancer tissue phantom the maximum temperature increase, possible (preferably within the magnetic hyperthermia window of 4–8 °C), while restricting the temperature increase in the healthy tissue phantom to below 4 °C, signifying eddy current mitigation.

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Section: Methodsmentioning

confidence: 99%

Numerical Simulation of Temperature Variations during the Application of Safety Protocols in Magnetic Particle Hyperthermia

et al. 2022

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“…Therefore, metal materials with high conductivity and catalytic properties can be easily mixed or doped with carbon fibers to form composite carbon nanofibers. Such modified materials often have synergistic effects and stronger electrochemical properties [7–21] . In our previous report, it was known that SnO 2 was an excellent conductive material with good conductivity in aqueous solution [22] .…”

Section: Introductionmentioning

confidence: 99%

An electrochemical sensor based on electrospun MoS₂@SnO₂ modified carbon nanofiber composite materials for simultaneously detection of phenacetin and indomethacin

Lü

Duan

et al. 2022

Chemistry An Asian Journal

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SnO2‐CNF was prepared by coaxial blending technology, and MoS2 was grown uniformly on SnO2‐CNF composite by adding a hydrothermal post‐treatment step. The uniform distribution of MoS2 on one‐dimensional SnO2‐CNF can effectively establish a layered three‐dimensional structure. Accordingly, the prepared MoS2‐coated SnO2‐CNF composite material has higher surface area and more active sites to obtain better electrochemical performance. We constructed an electrochemical sensor within the composite material with enhanced performance to realize the simultaneous and highly sensitive detection of phenacetin and indomethacin. The sensor has linear ranges of 0.050–7200 μM and 0.05–500 μM, respectively, and the detection limits were 0.016 μM and 0.013 μM. Furthermore, the sensor has good anti‐interference ability and stability, which also achieves good recovery rate in the actual sample detection.

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“…Biomimetic structural design of carbon-and Fe-based materials is not uncommon in energy-related applications. [32][33][34] Inspired by this natural structure, in this study, silkworm-chrysalis-netlike Fe 3 O 4 /rGO/mesoporous carbon nano-architecture composites were synthesized using a facile method. The spindleshaped nano-Fe 3 O 4 serves as the silkworm enveloped by mesoporous carbon layers as the cocoon, while the rGO network serves as the silk net to fix the chrysalis structure.…”

Section: Introductionmentioning

confidence: 99%

Integrated Design of Silkworm‐Chrysalis‐Net‐Like Fe₃O₄/rGO/Mesoporous Carbon Composites as a High‐Performance Anode Material for Lithium‐Ion Batteries

Yin

Cai

et al. 2022

ChemNanoMat

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Iron-based oxides are ideal candidates for a new generation of lithium-ion battery (LIB) anode materials owing to their high theoretical capacity and abundance, low cost, and non-toxicity. However, the shortcomings of nanoparticle agglomerations with low electrical conductivity, volume expansion, and easy powdering during the cycling process hinder their commercialization. Herein, a silkworm-chrysalisnet-like (SCN) Fe 3 O 4 /rGO/mesoporous carbon nano-architecture composite was prepared by combining an in-situ sol-gel coating strategy and a one-step hydrothermal reaction process. The overall microstructure of the electrode material with a unique SCN structure could effectively create a synergistic effect to enhance the electrochemical performance. As a result, the capacity of rGO-Fe-C0.5 could reach 916.4 mA h g À 1 after 100 cycles at a current density of 0.5 A g À 1 , and slow capacity attenuation of 0.033% per cycle after 500 cycles at 2 A g À 1 was achieved. This work provides new insights into the design of Fe 3 O 4 based composite for application in lithium-ion batteries.

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A biomimetic conductive super-foldable material

Cited by 82 publications

References 35 publications

Numerical Simulation of Temperature Variations during the Application of Safety Protocols in Magnetic Particle Hyperthermia

Numerical Simulation of Temperature Variations during the Application of Safety Protocols in Magnetic Particle Hyperthermia

An electrochemical sensor based on electrospun MoS₂@SnO₂ modified carbon nanofiber composite materials for simultaneously detection of phenacetin and indomethacin

Integrated Design of Silkworm‐Chrysalis‐Net‐Like Fe₃O₄/rGO/Mesoporous Carbon Composites as a High‐Performance Anode Material for Lithium‐Ion Batteries

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A biomimetic conductive super-foldable material

Cited by 82 publications

References 35 publications

Numerical Simulation of Temperature Variations during the Application of Safety Protocols in Magnetic Particle Hyperthermia

Numerical Simulation of Temperature Variations during the Application of Safety Protocols in Magnetic Particle Hyperthermia

An electrochemical sensor based on electrospun MoS2@SnO2 modified carbon nanofiber composite materials for simultaneously detection of phenacetin and indomethacin

Integrated Design of Silkworm‐Chrysalis‐Net‐Like Fe3O4/rGO/Mesoporous Carbon Composites as a High‐Performance Anode Material for Lithium‐Ion Batteries

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An electrochemical sensor based on electrospun MoS₂@SnO₂ modified carbon nanofiber composite materials for simultaneously detection of phenacetin and indomethacin

Integrated Design of Silkworm‐Chrysalis‐Net‐Like Fe₃O₄/rGO/Mesoporous Carbon Composites as a High‐Performance Anode Material for Lithium‐Ion Batteries