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測(cè)量應(yīng)用案例-20220410

來(lái)源:美國(guó)布魯克海文儀器公司   2022年04月26日 13:42  
 

文獻(xiàn)名:Double affinity based molecularly imprinted polymers for selective extraction of luteolin: A combination of synergistic metal chelating and boronate affinity

 

 

作者 Bailin GuoYukui Tong,Baoyue Zhang,Miaomiao Tian

Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, PR China

 

 

 

摘要:This study addresses opportunities for large-scale extraction of health-beneficial compounds from agricultural waste peanut shell samples. We focus on preparing a novel metal-chelating and boronate-affinity double affinity molecular imprinted polymers (MB-DMIPs) adsorbent and developing a new method to resolve current problems in enrichment of luteolin (LTL) from peanut shell samples. Boronate-affinity technique can produce a synergistic effect with metal oxide to effectively improve the adsorption capacity for LTL. Compared to the single affinity molecular imprinted polymers (M-SMIPs and B-SMIPs), the MB-DMIPs possessed stronger specificity, higher sensitivity, and better efficiency. The enrichment capacities and selectivities for LTL with the MB-DMIPs were studied in detail, after enriched, LTL was detected by HPLC. Under the optimal conditions, the maximum adsorption capacity reaches 12.42 mg g−1, and the imprinted factor is 2.89. The detection limit is 0.021 mg L−1, quantitative limit is 0.067 mg L−1, and the recoveries are between 85.5 and 103.1% (the relative standard deviations are less than 3.2%, n = 3). This work will provide a new research scheme for extraction and purification of bioactive components from agricultural wastes.

 

關(guān)鍵詞:Double affinity,Molecular imprinted polymers,Luteolin,Peanut shell

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