Liquid metals: fundamentals and applications in chemistry

Chemical Society Reviews, Journal Year: 2018, Volume and Issue: 47(11), P. 4073 - 4111

Published: Jan. 1, 2018

Post-transition elements, together with zinc-group metals and their alloys belong to an emerging class of materials fascinating characteristics originating from simultaneous metallic liquid natures.

Language: Английский

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Materials and Structures toward Soft Electronics

Advanced Materials, Journal Year: 2018, Volume and Issue: 30(50)

Published: Aug. 2, 2018

Soft electronics are intensively studied as the integration of with dynamic nonplanar surfaces has become necessary. Here, a discussion strategies in materials innovation and structural design to build soft electronic devices systems is provided. For each strategy, presentation focuses on fundamental science mechanics, example device applications highlighted where possible. Finally, perspectives key challenges future directions this field presented.

Language: Английский

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Liquid Metal Composites

Matter, Journal Year: 2020, Volume and Issue: 2(6), P. 1446 - 1480

Published: June 1, 2020

Language: Английский

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Advances in liquid metals for biomedical applications

Chemical Society Reviews, Journal Year: 2018, Volume and Issue: 47(8), P. 2518 - 2533

Published: Jan. 1, 2018

To date, liquid metals have been widely applied in many fields such as electronics, mechanical engineering and energy. In the last decade, with a better understanding of physicochemical properties low viscosity, good fluidity, high thermal/electrical conductivity biocompatibility, gallium gallium-based low-melting-point (near or below physiological temperature) alloys attracted considerable attention bio-related applications. This tutorial review introduces common performances metals, highlights their featured properties, well summarizes various state-of-the-art bio-applications involving carriers for drug delivery, molecular imaging, cancer therapy biomedical devices. Challenges clinical translation are also discussed.

Language: Английский

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Attributes, Fabrication, and Applications of Gallium‐Based Liquid Metal Particles

Advanced Science, Journal Year: 2020, Volume and Issue: 7(12)

Published: April 22, 2020

This work discusses the attributes, fabrication methods, and applications of gallium-based liquid metal particles. Gallium-based metals combine metallic fluidic properties at room temperature. Unlike mercury, which is toxic has a finite vapor pressure, gallium possesses low toxicity effectively zero pressure temperature, makes it amenable to many applications. A variety methods produce particles with variable sizes, ranging from nm mm (which upper limit set by capillary length). The nature enables methods-such as microfluidics sonication-that are not possible solid materials. possess several notable including metal-metal oxide (liquid-solid) core-shell structure well ability self-heal, merge, change shape. They also have unusual phase behavior that depends on size no known commercial applications, but they show promise for drug delivery, soft electronics, microfluidics, catalysis, batteries, energy harvesting, composites. Existing challenges future opportunities discussed herein.

Language: Английский

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Macrotheranostic Probe with Disease‐Activated Near‐Infrared Fluorescence, Photoacoustic, and Photothermal Signals for Imaging‐Guided Therapy

Angewandte Chemie International Edition, Journal Year: 2018, Volume and Issue: 57(26), P. 7804 - 7808

Published: April 17, 2018

Abstract Theranostics provides opportunities for precision cancer therapy. However, theranostic probes that simultaneously turn on their diagnostic signal and pharmacological action only in respond to a targeted biomarker have been less exploited. We herein report the synthesis of macrotheranostic probe specifically activates its near‐infrared fluorescence (NIRF), photoacoustic (PA), photothermal signals presence cancer‐overexpressed enzyme imaging‐guided Superior small‐molecule counterpart probe, has ideal biodistribution renal clearance, permitting passive targeting tumors, situ activation multimodal signals, effective ablation. Our study thus macromolecular approach towards activatable phototheranostics.

Language: Английский

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Liquid Metal‐Based Transient Circuits for Flexible and Recyclable Electronics

Advanced Functional Materials, Journal Year: 2019, Volume and Issue: 29(11)

Published: Jan. 29, 2019

Abstract Transient electronics, arising electronic devices with dissolvable or degradable features on demand, is still at an early stage of development due to the limited choices materials and strategies. Herein, a facile fabrication method for transient circuits by combination room‐temperature liquid metals (RTLMs) as circuit water‐soluble poly(vinyl alcohol) (PVA) packaging material reported. The as‐made exhibit remarkable durability stable electric performance upon bending twisting, while possessing short transience times, owing excellent solubility PVA substrates intrinsic flexibility RTLM patterns. Moreover, RTLM‐based shows extremely high recycling efficiency, up 96% employed can be recovered. As such, economic environmental viability electronics increases substantially. To validate this concept, surface patterning RTLMs complicated shapes demonstrated, antenna subsequently applied passive near‐field communication tag capacitive touch sensor. application sequentially turning off array light‐emitting‐diode lamps also demonstrated. present PVA‐encapsulated substantially expand scope toward flexible recyclable systems.

Language: Английский

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Antibacterial Liquid Metals: Biofilm Treatment via Magnetic Activation

ACS Nano, Journal Year: 2020, Volume and Issue: 14(1), P. 802 - 817

Published: Jan. 10, 2020

Antibiotic resistance has made the treatment of biofilm-related infections challenging. As such, quest for next-generation antimicrobial technologies must focus on targeted therapies to which pathogenic bacteria cannot develop resistance. Stimuli-responsive represent an alternative technological due their capability delivering treatment. This study provides a proof-of-concept investigation into use magneto-responsive gallium-based liquid metal (LM) droplets as antibacterial materials, can physically damage, disintegrate, and kill pathogens within mature biofilm. Once exposed low-intensity rotating magnetic field, LM become actuated transform shape, developing sharp edges. When placed in contact with bacterial biofilm, movement particles resulting from coupled presence nanosharp edges, ruptures cells dense biofilm matrix is broken down. The efficacy magnetically activated was assessed against both Gram-positive Gram-negative biofilms. After 90 min over 99% species became nonviable, destruction biofilms observed. These results will impact design next-generation, LM-based treatments.

Language: Английский

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Preparations, Characteristics and Applications of the Functional Liquid Metal Materials

Advanced Engineering Materials, Journal Year: 2017, Volume and Issue: 20(5)

Published: Dec. 13, 2017

As new generation functional materials, the recently emerging low‐melting liquid metals have displayed many unconventional properties superior to traditional materials. Various methods, such as alloying, oxidizing, adding metals, or non‐metallic materials and so on, been developed prepare desirable based on gallium more other metals. These methods could not only change form of but also endow original with rather diversified performances, which further expanded application range meet various needs. This article aims review summarize fabrication characteristics, applications metal Furthermore, future outlook in this field, including challenges, routes, related efforts, has illustrated interpreted.

Language: Английский

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Shape-Transformable, Fusible Rodlike Swimming Liquid Metal Nanomachine

ACS Nano, Journal Year: 2018, Volume and Issue: 12(10), P. 10212 - 10220

Published: Sept. 19, 2018

The T-1000 liquid metal terminator, which can transform and self-repair, represents a dream for decades that robots fundamentally change our daily life. Until now, some large-scale machines have been developed. However, there is no report on nanoscaled their biomedical applications. We describe here shape-transformable fusible rodlike swimming nanomachine, based the biocompatible transformable gallium. These nanomachines were prepared by pressure-filter-template technology, diameter length could be controlled adjusting nanoporous templates, filter time, pressure. as-prepared gallium nanomotors display core–shell nanorod structure composed of core solid oxide shell. Upon exposure to an ultrasound field, generated acoustic radiation force in levitation plane propel them move autonomously. nanomachine actively seek cancer cells from rod droplet after drilling into owing removal layers acidic endosomes. transformed fuse together inside photothermally kill under illumination near-infrared light. Such acoustically propelled great potential

Language: Английский

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