Reusable "gelly ice" maintains a cool temperature, avoiding the melting of water
In the heart of California, at the University of California, Davis, a groundbreaking innovation has been developed - Gel-Eis, a reusable and compostable cooling material. This game-changing invention is the brainchild of researchers Jiahan Zou and Gang Sun, who have been supported by the university in their pursuit of sustainable solutions.
Gel-Eis, inspired by the freezing process of tofu, is made from gelatin, a food-safe natural polymer. Unlike regular ice, Gel-Eis does not melt but transitions to a firmer state when cooled below 32°F (0°C). This unique property allows it to maintain its shape and cooling efficiency for extended periods.
One of the most significant advantages of Gel-Eis is its reusability. It can be frozen and thawed multiple times, and washed with water or diluted bleach for sanitisation. Moreover, Gel-Eis does not generate microplastics, making it an eco-friendly alternative to traditional cooling methods.
The versatility of Gel-Eis is another key feature. It can be adapted to any shape and design, making it suitable for various applications. The team behind Gel-Eis can produce it in 0.45-kilogram slabs, similar to gel packs found in stores.
But Gel-Eis is not just a cooling solution; it also has potential in the realm of agriculture. In experiments, composted Gel-Eis has been shown to enhance the growth of tomato plants. This could open up new possibilities for sustainable farming practices.
Gel-Eis also shows promise in areas where water supply is limited. Its high cooling efficiency - up to 80% higher than regular ice - makes it an effective solution for medical shipping, biotechnology, and ice formation in such regions.
Jiahan Zou, the lead researcher, is not resting on her laurels. She is expanding her research to plant-based proteins, such as soy proteins, with the aim of developing removable worktop coatings and cellular scaffolds for cultured meat.
In summary, Gel-Eis is a reusable, compostable, and eco-friendly cooling material with a multitude of applications. Its development at the University of California, Davis, marks a significant step towards sustainable solutions for various industries.
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