一种抗非那西丁单克隆抗体杂交瘤细胞株AD及其制备方法与应用

    公开(公告)号:WO2022183762A1

    公开(公告)日:2022-09-09

    申请号:PCT/CN2021/129509

    申请日:2021-11-09

    申请人: 江南大学

    摘要: 本发明公开了一种抗非那西丁单克隆抗体杂交瘤细胞株AD及其制备方法与应用,涉及食品安全免疫检测技术领域,该单克隆抗体杂交瘤细胞株的保藏名为单克隆细胞株AD,保藏编号为CGMCC19681。以非那西丁代谢物对乙酰氨基酚与4-溴丁酸乙酯的反应产物经水解后得到的Phe-BA为半抗原,将半抗原与载体蛋白偶联制备免疫原Phe-BA-BSA。对小鼠进行免疫原Phe-BA-BSA注射免疫后,再通过PEG方法与骨髓瘤细胞融合,经过间接竞争酶联免疫法的筛选和五次亚克隆,得到杂交瘤细胞株。此细胞株分泌的单克隆抗体可制成非那西丁检测盒,对非那西丁具有较好亲和力和检测灵敏度,可用于食品中非那西丁残留量的免疫检测。

    NON-IONIC BLOCK COPOLYMERS AND PHARMACEUTICAL COMPOSITIONS DERIVED THEREFROM

    公开(公告)号:WO2018176158A1

    公开(公告)日:2018-10-04

    申请号:PCT/CA2018/050399

    申请日:2018-03-29

    摘要: There are provided PVP-PLA block copolymers as defined in Formula (I): I wherein, x is an initiator alcohol having a boiling point greater than 145°C, n is, on average, from 20 and 40, and m is, on average, from 10 and 40, wherein the block copolymers have a number average molecular weight (M n ) of at least 3000 Da. Polymers demonstrating flexibility in formulating multiple low-solubility active pharmaceutical ingredients (APIs) are described. Liquid and dry pharmaceutical formulations comprising an API are described, along with delivery methods, uses, and kits. APIs may include, e.g. flurbiprofen, celecoxib, acetaminophen, or propofol. Also provided is a method of synthesizing the PVP-PLA block copolymers by (i) initiating polymerization of D,L-Lactide from the initiator alcohol x to form poly(lactic acid), adding a xanthate to form a PLA macroinitiator, and polymerizing NVP onto the PLA macroinitiator, by controlled polymerization, to form the block copolymer compound of Formula (I).