MRI示踪的纳米酶用于级联反应增强的免疫治疗

隋美菊, 张磊, 王瑞芳, 骆盈盈, 李莎, 丘茂松, 徐秋怡, 陈代钦, 陈世桢, 周欣

MRI-traceable Nanoenzyme for Cascade Catalysis-enhanced Immunotherapy

SUI Meiju, ZHANG Lei, WANG Ruifang, LUO Yingying, LI Sha, QIU Maosong, XU Qiuyi, CHEN Daiqin, CHEN Shizhen, ZHOU Xin

图1 MH NPs的表征. (a) MH NPs的TEM和TEM mapping图；(b) MH NPs的粒径分布；(c) MH NPs的ζ电势；(d) MH NPs中Fe元素的X射线光电子能谱；(e) MH NPs中Mn元素的X射线光电子能谱；(f)血红素（Hemin）和MH NPs的紫外-可见吸收光谱；(g)血红素（Hemin）和MH NPs的傅里叶变换红外吸收光谱

Fig. 1 The characterization of MH NPs. (a) TEM and TEM mapping image of MH NPs; (b) Size distribution of MH NPs; (c) Zeta potential of MH NPs; (d) XPS spectra of Fe element in MH NPs; (e) XPS spectra of Mn element in MH NPs; (f) UV-vis absorption spectra of hemin and MH NPs; (g) FT-IR spectra of hemin and MH NPs