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采用N-异烯胺移植的温度诱导藻类采集

Xuexue Wang¹, Yi Zheng²

¹Department of Grain Science and Industry, Kansas State University, 1980 Kimball Avenue, Manhattan, KS 66506, USA; College of Life and Environment Science, HuangShan University, 39 Xihai Road, Huangshan City, Anhui Province 245041, China.

Bioresource technology

|August 26, 2025

概括

一种新方法使用在棉织物上接种的聚烯酸胺 (PNIPAM),以节省成本采集藻类. 这种技术通过有效和可重复使用的PNIPAM捕获藻类来增强微藻生物炼油商业化.

科学领域:

生物技术
材料科学
化学工程

背景情况:

微藻生物精炼提供了多种应用,但由于采集高昂的藻类而受到阻碍.
对于工业规模的微藻种植来说,有效和成本效益的藻类采集至关重要.

研究的目的:

开发一种新且具有成本效益的采摘藻类方法,使用移植的聚烯酸胺 (PNIPAM).
评估PNIPAM植入基板材料的性能和可重复使用性,以捕获藻类.

主要方法:

将PNIPAM植入各种基板材料,包括棉织物,聚和聚烯板.
使用PNIPAM的温度诱导的相变特性进行藻类细胞聚合和采集.
评估移植产量,藻类收获效率 (AHE) 和多个周期的材料可重复使用性.

主要成果:

在棉织物上移植的PNIPAM-300 kDa显示出最高的移植产量 (2.38 mg/cm2) 和藻类采集效率 (72%).
在加热之前完全溶解聚合物显著改善了AHE.
用PNIPAM接种的棉织物可以在20多个循环中重复使用,效率损失最小.

结论:

在基板材料上植入PNIPAM是一种有前途,具有成本效益的藻类采集技术.
这种方法可以促进微藻生物炼油厂的扩大和商业化.
通过PNIPAM植入的材料的可重复使用提高了藻类采集的经济可行性.

关键词:

生物能源生物炼油厂最低的临界溶液温度微藻的丰富刺激反应聚合物

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