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2篇 您的检索式:作者名="Alexandra Pastore"
    题名 作者 年代 出处 被引量
1研究发现大多数消费者正在改变购买行为显示文摘跟据德勤2020年《全球千禧年调查》发现,包括千禧一代(00后)和Z世代(95后)在内的年轻一代的价值观在新冠疫情期间得到了加强,其中就包括了可持续性。Alexandra Pastore 2021中国服饰2021,,2:0
2Nanoparticles with high payloads of pipemidic acid, a poorly soluble crystalline drug: drug-initiated polymerization and self-assembly approach显示文摘Nowadays, biodegradable polymers such as poly(lactic acid)(PLA), poly(D,L-lactic-coglycolic acid)(PLGA) and poly(ε-caprolactone)(PCL) remain the most common biomaterials to produce drug-loaded nanoparticles(NPs). Pipemidic acid(PIP) is a poorly soluble antibiotic with a strong tendency to crystallize. PIP incorporation in PLA/PLGA NPs was challenging because of PIP crystals formation and burst release. As PIP had a poor affinity for the NPs, an alternative approach to encapsulation was used, consisting in coupling PIP to PCL. Thus, a PCL–PIP conjugate was successfully synthesized by an original drug-initiated polymerization in a single step without the need of catalyst.PCL–PIP was characterized by NMR, IR, SEC and mass spectrometry. PCL–PIP was used to prepare selfassembled NPs with PIP contents as high as 27%(w/w). The NPs were characterized by microscopy,DLS, NTA and TRPS. This study paves the way towards the production of NPs with high antibiotic payloads by drug-initiated polymerization. Further studies will deal with the synthesis of novel polymer–PIP conjugates with ester bonds between the drug and PCL. PIP can be considered as a model drug and the strategy developed here could be extended to other challenging antibiotics or anticancer drugs and employed to efficiently incorporate them in NPs.Elisabetta Pancani Mario Menendez-Miranda Alexandra Pastor Francois Brisset Marie-Francoise Bernet-Camard Didier Desmaele Ruxandra Gref 2018Acta Pharmaceutica Sinica B2018,8,3:0
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