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Photoacoustic(PA) microscopy comes with high potential for human skin imaging, since it allows noninvasively high-resolution imaging of the natural hemoglobin at depths of several millimeters. Here, we developed a PA microscopy to achieve high-resolution, high-contrast, and large field of view imaging of skin. A three-dimensional(3D) depth-coding technology was used to encode the depth information in PA images, which is very intuitive for identifying the depth of blood vessels in a two-dimensional image, and the vascular structure can be analyzed at different depths. Imaging results demonstrate that the 3D depth-coded PA microscopy should be translated from the bench to the bedside. 相似文献
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利用水热法合成了一种新颖的二维层状结构的配位聚合物[Eu(PCPOA)3(H2O)]n(PCPOA-p-chlorophenoxyacetate,对氯苯氧乙酸).在结构测定的基础上,分别开展了磁微扰下的二维相关红外光谱和温度微扰下的二维相关荧光光谱等的研究.采用Material studio的CASTEP程序进行了量子化学的能带分析,探讨了其结构与性能的关系.配合物的中心离子Eu3 处于9配位的环境中,对氯苯氧乙酸的羧酸根离子分别以单齿桥氧,双齿螯合等方式与磁性Eu3 配位.二维相关红外光谱研究表明羧基振动对磁微扰有很强的响应.二维相关荧光光谱研究表明,配合物中Eu3-的5Do→F2跃迁对温度的影响最敏感. 相似文献
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