Near infrared light-triggered drug generation and release from gold nanoparticle carriers for photodynamic therapy.

Near infrared light-triggered drug generation and release from gold nanoparticle carriers for photodynamic therapy.
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DOI:
10.1002/smll.201303329
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发表时间:
2014-05-14
期刊:
影响因子:
13.3
通讯作者:
Burda, Clemens
Burda, Clemens
中科院分区:
材料科学1区
文献类型:
--
作者:
Cheng, Yu;Doane, Tennyson L.;Chuang, Chi-Hung;Ziady, Assem;Burda, Clemens

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将前体Pc 227共价结合到金纳米颗粒(Au NPs)上,以在660 nm光照射时产生已知的光动力治疗(PDT)药物Pc 4。光产物Pc 4的光化学形成通过光谱学、色谱法和质谱法鉴定,并且当通过Au NP非共价施用时,其PDT功效等于Pc 4,具有改进的共价递送和从共价Pc 227-Au NP缀合物的靶向NIR触发释放的额外益处,而在运输期间,附着的Pc 227被Au NP淬灭并且PDT失活。
A photoprecursor Pc 227 is covalently bound onto gold nanoparticles (Au NPs) to produce the known photodynamic therapy (PDT) drug Pc 4 upon 660 nm photoirradiation. The photochemical formation of the photoproduct Pc 4 is identified by spectroscopy, chromatography, and mass spectrometry and its PDT efficacy is equal to Pc 4 when administered non-covalently by Au NPs, with the added benefit of improved covalent delivery and targeted NIR-triggered release from the covalent Pc 227-Au NP conjugate, while during transport the attached Pc 227 is quenched by the Au NP and PDT inactivated.
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