Nanogel Catalysts for the Hydrolysis of Underivatized Disaccharides Identified by a Fast Screening Assay

Nanogel Catalysts for the Hydrolysis of Underivatized Disaccharides Identified by a Fast Screening Assay
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通过快速筛选测定鉴定用于水解未衍生化二糖的纳米凝胶催化剂

DOI:
10.1021/acscatal.2c05575
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发表时间:
2023
期刊:
影响因子:
12.9
通讯作者:
Striegler, Susanne
Striegler, Susanne
中科院分区:
化学1区
文献类型:
--
作者:
Sharma, Babloo;Striegler, Susanne

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由于工作流程的性质,应用高通量合成和筛选方法开发催化性微米和纳米凝胶仍然具有挑战性。典型的程序需要制备稳定的细乳液,然后进行自由基聚合,通过大量提取或透析纯化所得凝胶,随后表征物理性质并检查所需功能。为了简化该过程,我们改变了凝胶合成程序,并开发了一种筛选方案来鉴定具有所需催化功能的凝胶组合物。该试验确定了五个50合成凝胶从八个不同的交联剂具有高潜力水解碳水化合物。催化效率(kcat/KM×knon)高达1.4 × 106,凝胶活性为0.8 μmol·h ~(-1)mg ~(-1),是目前已知的水解非活性糖苷键最有效的催化剂之一。
Applying high-throughput synthetic and screening methods for the development of catalytic micro- and nanogels remains challenging due to the nature of the workflow. Typical procedures require the preparation of stable miniemulsions, followed by radical polymerization, purification of the obtained gels by extensive extraction or dialysis, and subsequent characterization of physical properties and examination of desired functions. To streamline the process, we altered the gel synthesis procedure and developed a screening protocol to identify gel compositions with the desired catalytic function. The assays identify five out of 50 synthesized gels from eight different cross-linkers with high potential to hydrolyze carbohydrates. A catalytic proficiency (kcat/KM×knon) of up to 1.4 × 106and gel activity of 0.8 μmol h–1mg–1were observed placing the synthesized gels among the most proficient catalysts known for the hydrolysis of nonactivated glycosidic bonds.
DOI: 10.1021/acscatal.0c01887
发表时间: 2020-07
期刊: ACS Catalysis
影响因子: 12.9
作者:
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