Fluorescence imaging enabled biodegradable photostable polymeric micelles.

Fluorescence imaging enabled biodegradable photostable polymeric micelles.
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DOI:
10.1002/adhm.201300145
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发表时间:
2014-02
影响因子:
10
通讯作者:
Yang, Jian
Yang, Jian
中科院分区:
工程技术1区
文献类型:
--
作者:
Gyawali, Dipendra;Zhou, Shengyuan;Tran, Richard T.;Zhang, Yi;Liu, Chao;Bai, Xiaochun;Yang, Jian

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两亲性二嵌段或三嵌段共聚物能够自组装成具有疏水核和亲水冠的化学稳定的纳米结构(称为胶束),在药物应用中变得越来越重要。[1-5]疏水性核心可以容纳疏水性药物[6],亲水性冠作为空间屏障,以防止胶束聚集,确保胶束在水性环境中的溶解度。[7]迄今为止,多种合成两亲性胶束系统(Genexol-PM,[8,9] NK 012,[10] SP1049 C,[11,12] NC-6004,[13]和NK 105 [14,15])正在进行递送疏水抗癌药物的临床评价。这些胶束的尺寸通常在直径10至100 nm的范围内,并且由亲水冠组成,其防止调理作用,导致相对较长的血浆保留时间和网状内皮系统(RES)的摄取减少。[16]这些胶束的小尺寸使它们能够通过增强的免疫反应在肿瘤中积累。
Amphiphilic di-block or tri-block copolymers that are capable of self-assembling into thermodynamically stable nano-structures with a hydrophobic core and hydrophilic corona, referred to as micelles, have become increasingly important in pharmaceutical applications.[1–5] The hydrophobic core can house hydrophobic drugs [6] and the hydrophilic corona functions as a steric barrier to prevent micelle aggregation ensuring micelle solubility in an aqueous environment.[7] To date, multiple synthetic amphiphilic micelle systems (Genexol-PM,[8, 9] NK012,[10] SP1049C,[11, 12] NC-6004,[13] and NK105 [14, 15]) are under clinical evaluation for delivering hydrophobic anti-cancer drugs. The size of these micelles typically range from 10 to 100 nm in diameter, and are composed of a hydrophilic corona, which prevents opsonization resulting in relatively long plasma retention times and reduced uptake by the reticuloendothelial system (RES).[16] The small size of these micelles allows them to accumulate in tumors through an enhanced
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