2024年11月1日 · We developed a novel oral drug delivery system designed for localized treatment of colon cancer via chemotherapy and photothermal therapy (PTT). This system utilized mesoporous polydopamine (MPDA) as a photothermal carrier for doxorubicin hydrochloride (DOX), with surface modification using folic acid (FA) to enhance systemic tumor targeting.

2024年5月10日 · Cisplatin (CP) was loaded into mesoporous polydopamine (mPDA) nanoparticles (NPs) with a drug loading of 15.8 ± 0.1 %, and MnO2 used as pore sealing agent. Finally, the NPs were wrapped with platelet membrane (PLTM).

2024年2月15日 · In this study, we used mesoporous poly-dopamine nanoparticles (MPDA NPs) as a carrier, prochloraz (Pro) as a loading agent, and benzimidazole (BIZ) and β-cyclodextrin (β-CD) complex as a blocking agent to prepare the on-demand delivery nano-pesticides Pro@MPDA-BIZ@β-CD (hereinafter abbreviated as PMBD), which …

2024年4月6日 · X-ray diffraction (XRD) illustrated a high similarity in phase characteristics between mPDA and mPDA-PEI (Figure 3G), confirming the structural integrity of PDA after modification with PEI. These comprehensive characterizations collectively confirm the successful PEI coating of the mPDA NPs, laying the foundation for the development of an ...

2020年3月14日 · 本文基于介孔多巴胺（MPDA）制备了几种微纳米核壳结构粒子，四氧化三铁介孔. 聚多巴胺核壳复合纳米粒子（Fe. @MPDA）、pH响应的Fe. @MPDA复合粒子以. 及中空介孔聚多巴胺微胶囊（HMPDA），并着重研究了这些纳米粒子对染料和药物分. 子的吸附性能，主要的研究内容如下： 一、Fe. @MPDA核壳复合纳米粒子的制备及性能研究. 利用溶剂热法合成磁性亚微米级Fe. 纳米粒子，然后利用三嵌段共聚物Pluronic. F127和1,3,5-三甲基苯（TMB）为有机模 …

Download scientific diagram | (a) XRD patterns of the FA- (N-MPDA)PbBr4 microrod for 1, 3, 5, and 7 days. (b) The FA- (N-MPDA)PbBr4 microrod crystal shows stable PL emission without any...

本文以安全、无毒、表面易功能化的介孔聚多巴胺（MPDA）为基体，制备了三种微纳米药物载体：Fe3O4@HMPDA、Fe3O4@HMPDA@HA以及MPDA@IR780粒子。 利用透射电镜（TEM）和场发射扫描电镜（FESEM）观察微粒的形貌，用X射线衍射（XRD）、傅立叶变换红外吸收光谱仪（FTIR）和X射线光电子能谱（XPS）研究载体的组成，结合N2吸附-脱附以及Zeta电位对载体的比表面积、介孔结构以及稳定性进行了研究。 重点研究了载体表面的吸附机理以及载药和释 …

MPdA samples calcined at different temperatures for 5 h were analyzed by X-ray diffraction (XRD). Figure 1 c displays the characteristic peaks of γ-Al 2 O 3 (JCPDS #00-029-0063) and PdO (JCPDS...

2022年4月28日 · The morphology of MPDA NPs was measured by scanning electron microscope (SEM). The particle size and zeta potential of MPDA NPs were determined by dynamic light scattering (DLS). The crystal structure was analyzed by X-ray powder diffraction (XRD). The surface area and pore diameter were determined by Brunauer–Emmett–Teller (BET).

See the supplementary material for XRD pattern of MPDA and immunofluorescence staining of chondrocytes. The table includes primers of targeted genes.