Data from: Transparent Silk Fibroin Microspheres from Controlled Droplet Dissolution in a Binary Solution

Attached file provides supplementary data for linked article, which consists of four videos:

1. Dissolving droplets in the surrounding phase of 1, 2, 5 and 10% ethanol in toluene, and of 10% ethanol in decane
2. Blackening of the entire droplet
3. Initial volume expansion and shell formation
4. Wrinkling and crumpling of the shell with droplet dissolution

Silk is a natural polymer with a broad range of potential applications in textiles, advanced materials, biomedical devices, and drug delivery. The ability to control the morphology and assembly of silk fibroin is essential for the fabrication of silk-based structured materials. Here, we report an effective and simple approach based on droplet dissolution for weaving silk fibroin into spheres of several hundred micrometers in diameter. The spheres possess regular wrinkled microstructures on the surface and switchable transparency for visible light. To produce these silk spheres, we immersed a sessile microdrop of the silk fibroin aqueous solution in a surrounding phase of ethanol in toluene at low concentration (

所附文件为关联文章的补充数据，包含四段视频：
1. 甲苯体系中1%、2%、5%、10%体积分数乙醇，以及癸烷体系中10%体积分数乙醇的环境下，液滴在周围介质中的溶解过程
2. 液滴整体变黑的现象
3. 初始体积膨胀与壳层形成过程
4. 伴随液滴溶解的壳层起皱与褶皱过程

蚕丝是一类天然高分子材料，在纺织、先进材料、生物医学器件及药物递送等领域拥有广泛的应用潜力。调控丝素蛋白（silk fibroin）的形貌与组装行为，对于制备丝基结构化材料至关重要。本文报道了一种基于液滴溶解的高效简便方法，可将丝素蛋白制备为直径达数百微米的球形结构。该球形结构表面具有规则的褶皱微结构，且对可见光具备可切换的透光性能。为制备此类丝素微球，我们将一滴静置的丝素蛋白水溶液微滴，浸没于低浓度甲苯-乙醇的周围介质中（