Abstract A facile approach was used to prepare a cyclodextrin metal–organic framework(CD-MOF) based on γ-cyclodextrins (γ-CDs) and alkali metal cations. As a green, renewable framework material, the CD-MOF exhibits high selectivity and sorptive capacity toward sulfonamides (SAs). Therefore, five SAs including sulfathiazloe(STZ), sulfamethoxymidine(SMD), sulfamerazine(SMR), sulfadimethoxine (SDM)and sulfaquinoxaline (SQX) were selected as target analytes to validate the extraction performance of CD-MOF as a solid-phase extraction (SPE) adsorbent, coupled with high-performance liquid chromatography (HPLC) and the adsorption mechanism was investigated. The results showed that the CD-MOF as adsorbent exhibited good enrichment capability for five SAs and obtained short adsorption equilibrium time(30 min). Under optimized conditions, the spiked recoveries into meat samples were satisfied (76%–102%) with relative standard deviation below 2.4%–6.5% (n = 3) which indicated that the method was suitable for the effective extraction of SAs from complicated matrices.

中文翻译：

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一种绿色环糊精金属有机骨架作为固相萃取介质，用于在 HPLC 测定前富集磺酰胺

摘要 采用一种简便的方法制备了基于γ-环糊精（γ-CDs）和碱金属阳离子的环糊精金属有机骨架（CD-MOF）。作为一种绿色、可再生的骨架材料，CD-MOF 对磺胺（SAs）表现出高选择性和吸附能力。因此，选择磺胺噻唑(STZ)、磺胺甲氧脒(SMD)、磺胺嘧啶(SMR)、磺胺二甲氧嘧啶(SDM)和磺胺喹喔啉(SQX)等五种SAs作为目标分析物，以验证CD-MOF作为固相萃取的萃取性能。 SPE)吸附剂，结合高效液相色谱(HPLC)对吸附机理进行了研究。结果表明，CD-MOF作为吸附剂对五种SAs表现出良好的富集能力，并获得了较短的吸附平衡时间（30 min）。在优化条件下，