Synthesis of controlled, high-molecular weight poly(l-glutamic acid) brush polymers.
Synthesis of controlled, high-molecular weight poly(l-glutamic acid) brush polymers.
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可控高相对分子质量聚(L-谷氨酸)刷状聚合物的合成。
DOI:
10.1039/c7bm00339k
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发表时间:
2017-08-22
影响因子:
6.6
通讯作者:
Cheng J
中科院分区:
文献类型:
--
作者:
Baumgartner R;Kuai D;Cheng J
We report the synthesis and characterization of high-molecular weight poly(L-glutamic acid) based brush polymers. Utilizing a combination of ring-opening metathesis polymerization of norbornene based monomers and ring-opening polymerization of γ-benzyl-L-glutamate N-carboxyanhydride, high-molecular weight γ-benzyl protected poly(L-glutamic acid) brush polymers are synthesized. Controlled and complete deprotection of the benzyl groups using trimethylsilyl iodide resulted in poly(L-glutamic acid) based brush polymers with molecular weights up to 3.6 MDa, which may potentially be used to prepare size-controlled unimolecular polymeric nanomedicine for drug delivery applications. Camptothecin brush poly(L-glutamic acid) conjugates were prepared and their stability, drug release kinetics, and in vitro toxicity were studied.
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