基于二元二醇的高效深度欧性溶剂预处理,以增强白的酶糖化和素分离.
Yulu He1, Ruojin Shen1, Lupeng Shao1
1State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, PR China.
Bioresource technology
|September 5, 2024
概括
一种新型的深溶解剂 (DES),乙胺化物-乙烯基醇 (EaCl-EG),可以有效地预处理树生物质. 这一过程提高了葡萄糖产量,并产生了有价值的素纳米粒子 (LNP) 和纳米瓶 (LNB).
科学领域:
- 生物质预处理 生物质预处理
- 绿色化学 绿色化学
- 生物炼油技术 生物炼油技术
背景情况:
- 有效的生物质分成对于可持续的生物炼油厂至关重要.
- 深度环氧溶剂 (DES) 为生物质预处理提供了一个有前途的替代方案.
- 开发具有成本效益和高性能的DES至关重要.
研究的目的:
- 开发和评估一种基于二元生物的新型二元生物溶剂 (DES) 用于树生物质预处理.
- 评估DES在去除红素和西兰的效率,同时保留纤维素.
- 探索获得的红素的价值化成纳米颗粒和纳米瓶.
主要方法:
- 乙胺化-乙烯基醇 (EaCl-EG) 的合成 DES.
- 使用开发的DES,预处理白树生物质.
- 在预处理生物质中分析纤维素,红素和西兰含量.
- 素属性的表征和自我组装成纳米结构.
主要成果:
- EaCl-EG DES实现了高度的脱 (85.0%) 和脱 (80.0%),同时保持了很好的纤维素保质 (94.5%).
- 预处理的生物质产生超过92.5%的葡萄糖,与未经处理的生物质相比增加了15倍.
- 获得了具有维护β-O-4结构的高纯度素 (97.8%),并转化为素纳米粒子 (LNP) 和纳米瓶 (LNB).
结论:
- 新型EaCl-EG DES是一种高效和选择性的溶剂,用于白树生物质预处理.
- 这种方法显著增强了用于生产葡萄糖的酶性水解.
- 这一过程使得质素能够被提升为有价值的纳米产品,从而支持循环经济.
相关概念视频
Oxidation of Alkenes: Syn Dihydroxylation with Osmium Tetraoxide
Alkenes are converted to 1,2-diols or glycols through a process called dihydroxylation. It involves the addition of two hydroxyl groups across the double bond with two different stereochemical approaches, namely anti and syn. Dihydroxylation using osmium tetroxide progresses with syn stereochemistry.
Preparation of Diols and Pinacol Rearrangement
Compounds bearing two hydroxyl groups are known as diols. When the hydroxyl groups are located on adjacent carbon atoms, the diols are called vicinal diols or glycols. Under acidic conditions, vicinal diols undergo a specific reaction called pinacol rearrangement.
The reaction begins with transferring a proton from the acid catalyst to one of the hydroxyl groups, producing an oxonium ion.
The reaction begins with transferring a proton from the acid catalyst to one of the hydroxyl groups, producing an oxonium ion.
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