由外部离子环境驱动化学逻辑门的可收缩肌肉晶体

IF 7.5 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Communications Materials Pub Date : 2024-10-16 DOI:10.1038/s43246-024-00674-2
Jun Manabe, Mizuki Ito, Katsuya Ichihashi, Katsuya Inoue, Yin Qian, Xiao-Ming Ren, Ryo Tsunashima, Tomoyuki Akutagawa, Takayoshi Nakamura, Sadafumi Nishihara
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引用次数: 0

摘要

仿生化学逻辑门能够根据环境可逆地改变其形状和物理特性,是一个重要的研究领域。然而,大多数人工化学逻辑门都依赖于溶液中分子和离子微观性质的变化。因此,开发能影响晶体结构、磁性和电性等宏观特性的化学逻辑门,对于更准确地模拟体内现象至关重要。在此,我们开发了一种基于单晶体的复位-设置触发器电路,该电路在水溶液中 Ca2+ 离子存在时发生可逆转变,类似于肌肉中的化学逻辑门。在晶体转化过程中,晶格体积收缩了约 39%,磁性和电性也发生了很大变化。与现有产品相比,所构建的晶体系统更接近实际肌肉的功能,有望推动生物仿生学领域的发展。仿生化学逻辑门会随环境变化而变化,但目前的研究主要集中在微观特性上。在这里,单晶体复位设置触发器电路在溶液中离子的作用下发生了可逆的体积收缩。
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Shrinkable muscular crystal with chemical logic gates driven by external ion environment
Biomimetic chemical logic gates that can reversibly transform their shape and physical properties in response to their environment are an important research field. Most artificial chemical logic gates, however, rely on changes in the microscopic properties of molecules and ions in solution. Hence, developing chemical logic gates that influence macroscopic properties, such as crystal structures and magnetic and electrical properties, is essential for mimicking in vivo phenomena more accurately. Here, we develop a reset-set flip-flop circuit based on a single crystal that reversibly transforms in the presence of Ca2+ ions in aqueous solutions and is analogous to the chemical logic gate in muscles. During the crystal transformation, the lattice volume undergoes ~39% shrinkage, and the magnetic and electrical properties change considerably. Compared with existing products, the constructed crystalline system more closely resembles the function of actual muscles, which is promising for advancing the field of biomimetics. Biomimetic chemical logic gates transform in response to their environment but are currently focused on the microscopic properties. Here, a single crystal reset-set flip-flop circuit undergoes reversible volume shrinkage in response to ions in solution.
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来源期刊
Communications Materials
Communications Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
12.10
自引率
1.30%
发文量
85
审稿时长
17 weeks
期刊介绍: Communications Materials, a selective open access journal within Nature Portfolio, is dedicated to publishing top-tier research, reviews, and commentary across all facets of materials science. The journal showcases significant advancements in specialized research areas, encompassing both fundamental and applied studies. Serving as an open access option for materials sciences, Communications Materials applies less stringent criteria for impact and significance compared to Nature-branded journals, including Nature Communications.
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