Dehl R E
Science. 1970 Nov 13;170(3959):738-9. doi: 10.1126/science.170.3959.738.
From the change in the nuclear magnetic resonance splitting of heavy water in oriented wet collagen fibers at low temperatures, it is estimated that about 0.6 gram of heavy water per gram of collagen does not freeze. This estimate has been confirmed by a measurement of the heat evolved on melting "frozen" wet collagen. The water that does not freeze retains liquid-like mobility even at temperatures as low as -50 degrees C.
从低温下取向湿胶原纤维中重水核磁共振分裂的变化估计，每克胶原约有0.6克重水不结冰。通过测量“冷冻”湿胶原融化时放出的热量，这一估计得到了证实。即使在低至-50摄氏度的温度下，不结冰的水仍保持类似液体的流动性。
