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Home Science News Chemistry

Researchers Develop Versatile Biomimetic Liquid Metallic Leukocytes with Chemotactic Properties

February 13, 2025
in Chemistry
Reading Time: 4 mins read
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Autonomous behaviors of chemotaxic biomimetic liquid metallic leukocytes
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Autonomous behaviors of chemotaxic biomimetic liquid metallic leukocytes

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Autonomous behaviors of chemotaxic biomimetic liquid metallic leukocytes


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Credit: LIU Jing

Scientists led by Prof. LIU Jing from the Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences (CAS) have created a leukocyte-like liquid metallic entity that vividly simulates various leukocyte behaviors in nature.

Published in Matter on February 10, the researchers demonstrated how these “liquid metallic leukocytes” can autonomously perform complex actions like engulfing foreign substances, changing shape, moving in a pulsatile manner, and even climbing against gravity—showing striking similarities to the dynamic behavior of living cells.

The research team, collaborating with Tsinghua University, introduced a novel approach by combining the mechanisms of chemotaxis and asymmetric chemistry. This synergy enables the liquid metal to exhibit diverse and autonomous behaviors similar to those of real leukocytes, such as shape-shifting and navigating complex surfaces.

According to the researchers, these liquid metallic structures can climb slopes of up to 5° on their own and move through complicated surfaces, highlighting their versatility and potential for future applications. In addition, they can change their shape easily and adapt well to getting around obstacles, making them highly versatile and capable.

The core principle is that the self-adaptive surface tension of the liquid metal continuously changes during its alternating processes of oxidation, reduction, and deoxidation. Experiments also confirmed that the liquid metal leukocyte relies on substance conversion and electrochemical energy differences in its environment, enabling it to move and respond dynamically.

This chemotaxic liquid metallic system shows great potential for diverse applications, including autonomous adaptable sensors, microfluidics, and medical therapies. Furthermore, it opens new avenues for developing advanced nature-simulation systems that mimic various living organisms, marking the beginning of a new frontier at the intersection of materials science and synthetic biology.

This work was supported by the National Natural Science Foundation of China, the Postdoctoral Science Foundation of China, and the Frontier Project of CAS.



Journal

Matter

DOI

10.1016/j.matt.2025.101991

Article Title

Chemotaxic biomimetic liquid metallic leukocytes

Article Publication Date

10-Feb-2025

Media Contact

HE Jianing

Technical Institute of Physics and Chemistry

hejianing@mail.ipc.ac.cn

Journal
Matter
DOI
10.1016/j.matt.2025.101991

Journal

Matter

DOI

10.1016/j.matt.2025.101991

Article Title

Chemotaxic biomimetic liquid metallic leukocytes

Article Publication Date

10-Feb-2025

Keywords


  • /Physical sciences/Materials science/Materials engineering/Metallurgy/Metals/Liquid metals

  • /Life sciences/Cell biology/Cells/Blood cells/Leukocytes

  • /Life sciences/Cell biology/Cellular physiology/Cell behavior

  • /Physical sciences/Materials science/Surface science/Surface chemistry

  • /Applied sciences and engineering/Engineering/Bioengineering/Biomimetics

  • /Physical sciences/Physics/Mechanics/Classical mechanics/Newtonian gravity/Gravitation

  • /Applied sciences and engineering/Systems theory/Pattern formation/Natural patterns/Asymmetry

bu içeriği en az 2000 kelime olacak şekilde ve alt başlıklar ve madde içermiyecek şekilde ünlü bir science magazine için İngilizce olarak yeniden yaz. Teknik açıklamalar içersin ve viral olacak şekilde İngilizce yaz. Haber dışında başka bir şey içermesin. Haber içerisinde en az 12 paragraf ve her bir paragrafta da en az 50 kelime olsun. Cevapta sadece haber olsun. Ayrıca haberi yazdıktan sonra içerikten yararlanarak aşağıdaki başlıkların bilgisi var ise haberin altında doldur. Eğer yoksa bilgisi ilgili kısmı yazma.:
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Keywords

Tags: advanced materials in biotechnologyautonomous behaviors of artificial leukocytesbiomimetic liquid metallic leukocyteschemotactic properties in synthetic biologydynamic behavior of living cellsforeign substance engulfment by artificial cellsinnovative applications of liquid metals in medicineleukocyte-like liquid metallic entitiesnature-inspired engineering solutionsresearchers at Chinese Academy of Sciencesshape-shifting synthetic cellsTsinghua University collaboration in scientific research
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