Preparation and Characterization of Novel Brain Targeting Magnetic Nanoparticles Modified with Ascorbic Acid

Preparation and Characterization of Novel Brain Targeting Magnetic Nanoparticles Modified with Ascorbic Acid
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抗坏血酸修饰的新型脑靶向磁性纳米粒子的制备及表征

DOI:
10.1142/s179329201850008x
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发表时间:
2018-02
期刊:
影响因子:
1.2
通讯作者:
Yong Wu
Yong Wu
中科院分区:
材料科学4区
文献类型:
--
作者:
Linhui Wang;Yi Zhao;Runxin Lu;Yao Peng;Li Guo;Li Hai;Mei Guan;Yong Wu

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Magnetic targeting, which utilizes a magnetic field to specifically deliver therapeutic agents to the targeted regions, can greatly improve the treatment efficiency. Herein, ibuprofen-loaded brain targeting magnetic nanoparticles (AA-Ibu-PEG-DA@MNPs) modified with ascorbic acid (AA) for central nervous system (CNS) drug delivery was designed and synthesized in order to effectively deliver ibuprofen to the brain through Na+-dependent vitamin C transporter 2 (SVCT2) and glucose transporter 1 (GLUT1). The brain targeting magnetic nanoparticles, AA-Ibu-PEG-DA@MNPs, have a particle size of 82.5nm, 2% drug loading capacity and limited cytotoxicity against bEnd.3 cells. What’s more, the nanoparticles maintained the magnetic property with a saturation magnetization level at 52.17emu/g and could release ibuprofen when incubated in different mediums, including various buffers, mice plasma and brain homogenate. The results indicate that the magnetic nanoparticles may have the potential to be a promising approach to ...
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