Scientists revive legendary golden sea silk using Korean pen shell byssus
A luxurious fiber once reserved exclusively for emperors in ancient times has been brought back to life by Korean researchers. A team led by Professor Dong Soo Hwang and Professor Jimin Choi has successfully recreated a golden fiber, akin to that of 2,000 years ago, using the pen shell (Atrina pectinata) cultivated in Korean coastal waters. This breakthrough not only recreates the legendary sea silk but also reveals the scientific basis behind its unchanging golden color. The study was recently published in the journal Advanced Materials. Sea silk—often referred to as the "golden fiber of the sea"—was one of the most prized materials in the ancient Roman period, used exclusively by figures of high authority such as emperors and popes. This precious fiber is made from the byssus threads secreted by Pinna nobilis, a large clam native to the Mediterranean, which uses the threads to anchor itself to rocks.
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