Communication between hydrogel beads via chemical signalling,Journal of Materials Chemistry B

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Communication between hydrogel beads via chemical signalling
Journal of Materials Chemistry B ( IF 6.1 ) Pub Date : 2017-10-27 00:00:00 , DOI: 10.1039/c7tb02278f
Ross W. Jaggers _{1,

2,

3,

4} , Stefan A. F. Bon _{1,

2,

3,

4}

Affiliation

In this work, we demonstrate chemical communication between millimetre-sized soft hydrogel beads in an aqueous environment. Silver cations (Ag⁺) and the Ag⁺ chelator dithiothreitol (DTT) are used as signalling molecules. By exploiting their interplay, we conduct a series of ‘conversations’ between millimetre-sized beads. The communication process is monitored by tracking the response and behaviour of a central bead. This bead is loaded with the enzyme urease and has the ability to undergo a change in colour associated with a change in pH. Competitive communication between three beads, whereby the central bead receives two competing signals from two senders, is shown. We believe that our hydrogel-based system demonstrates an advance in the communication capabilities of small soft matter objects.

中文翻译：

水凝胶珠之间通过化学信号传递的通讯

在这项工作中，我们证明了在水性环境中毫米大小的软水凝胶珠之间的化学连通。银阳离子（Ag ⁺）和Ag ⁺螯合剂二硫苏糖醇（DTT）用作信号分子。通过利用它们的相互作用，我们在毫米大小的珠子之间进行了一系列“对话”。通过跟踪中央磁珠的响应和行为来监视通信过程。该珠粒装载有脲酶，并且具有经受与pH变化相关的颜色变化的能力。示出了三个珠子之间的竞争性通信，由此中央珠子从两个发送者接收两个竞争性信号。我们相信，我们基于水凝胶的系统证明了小型软物质物体在通讯能力方面的进步。

更新日期：2017-11-15

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