Li Ying, Li Wansha, Hu Lingna, Svanberg Katarina, Svanberg Sune
Center of Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, University City Campus, Guangzhou 510006, China.
Lund Laser Center, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden.
Biomed Opt Express. 2018 Dec 5;10(1):83-91. doi: 10.1364/BOE.10.000083. eCollection 2019 Jan 1.
A detailed study of the condition of eggs was performed using tunable diode lasers to monitor free gas in hen eggs. We detected oxygen and water vapor signals from 13 unfertilized eggs and studied the growth of the egg air cell over a time period of 3 weeks. We also studied the gas exchange through the egg shell, which is of particular interest for fertilized eggs. Four fertilized and five unfertilized eggs were followed over 3 weeks, the hatching period for hen eggs, and significant variations were found both in time and for the two types of eggs. Our results indicate that the techniques could be developed for automatic control of egg freshness, as well as for monitoring the hatching progress of fertilized eggs.
利用可调谐二极管激光器对鸡蛋状况进行了详细研究，以监测鸡蛋中的游离气体。我们检测了13枚未受精鸡蛋中的氧气和水蒸气信号，并在3周的时间内研究了鸡蛋气室的生长情况。我们还研究了通过蛋壳的气体交换，这对受精鸡蛋尤为重要。在鸡蛋的孵化期3周内，对4枚受精鸡蛋和5枚未受精鸡蛋进行了跟踪研究，发现两种类型的鸡蛋在时间上以及彼此之间都存在显著差异。我们的结果表明，该技术可用于开发鸡蛋新鲜度的自动控制方法，以及监测受精鸡蛋的孵化进程。
