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Multiporous Terbium Phosphonate Coordination Polymer Microspheres as Fluorescent Probes for Trace Anthrax Biomarker Detection
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2019-04-05 00:00:00 , DOI: 10.1021/acsami.9b01123 Yongquan Luo 1 , Lei Zhang 1 , Lingyi Zhang 1 , Bohao Yu 1 , Yajie Wang 2 , Weibing Zhang 1
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2019-04-05 00:00:00 , DOI: 10.1021/acsami.9b01123 Yongquan Luo 1 , Lei Zhang 1 , Lingyi Zhang 1 , Bohao Yu 1 , Yajie Wang 2 , Weibing Zhang 1
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Lanthanide coordination polymers have been recently regarded as attractive sensing materials because of their selectivity, high sensitivity, and rapid response ability. In this research, the multiporous terbium phosphonate coordination polymer microspheres (TbP-CPs) were prepared as a novel fluorescent probe, which showed a fluorescence turn-on response capability for the detection of the trace anthrax biomarker dipicolinate acid (DPA). The morphology and chemical composition of as-prepared TbP-CPs were characterized in detail. The TbP-CPs have the vegetable-flower-like structure and microporous surface. In addition, the as-prepared TbP-CPs not only possess the merits of convenience and simple preparation with high yield but also have the excellent characters as fluorescent probes, such as high stability, good selectivity, and rapid detection ability within 30 s. This proposed sensor could detect DPA with a linear relationship in concentrations ranging from 0 to 8.0 μM and a high detection sensitivity of 5.0 nM. Furthermore, the successful applications of DPA detection in urine and bovine serum were demonstrated. As a result, the recovery ranged from 93.93–101.6%, and the relative standard deviations (RSD) were less than 5%.
中文翻译：
多孔膦酸Ter配合聚合物微球作为荧光探针进行炭疽生物标志物的检测。
镧系配位聚合物由于其选择性，高灵敏度和快速响应能力，最近被认为是有吸引力的传感材料。在这项研究中，制备了多孔的膦酸coordination配位聚合物微球（TbP-CPs）作为一种新型的荧光探针，该荧光探针显示了用于检测痕量炭疽生物标志物吡啶二羧酸（DPA）的荧光开启响应能力。详细表征了所制备的TbP-CPs的形态和化学组成。TbP-CP具有蔬菜花状结构和微孔表面。另外，所制备的TbP-CPs不仅具有方便，制备简单，收率高的优点，而且具有荧光探针的高稳定性，高选择性，高选择性等特点。30秒内快速检测能力。提出的传感器可以检测浓度在0到8.0μM之间线性关系的DPA，并且具有5.0 nM的高检测灵敏度。此外，还证明了DPA检测在尿液和牛血清中的成功应用。结果，回收率在93.93–101.6％之间，相对标准偏差（RSD）小于5％。
更新日期：2019-04-05
中文翻译：
多孔膦酸Ter配合聚合物微球作为荧光探针进行炭疽生物标志物的检测。
镧系配位聚合物由于其选择性，高灵敏度和快速响应能力，最近被认为是有吸引力的传感材料。在这项研究中，制备了多孔的膦酸coordination配位聚合物微球（TbP-CPs）作为一种新型的荧光探针，该荧光探针显示了用于检测痕量炭疽生物标志物吡啶二羧酸（DPA）的荧光开启响应能力。详细表征了所制备的TbP-CPs的形态和化学组成。TbP-CP具有蔬菜花状结构和微孔表面。另外，所制备的TbP-CPs不仅具有方便，制备简单，收率高的优点，而且具有荧光探针的高稳定性，高选择性，高选择性等特点。30秒内快速检测能力。提出的传感器可以检测浓度在0到8.0μM之间线性关系的DPA，并且具有5.0 nM的高检测灵敏度。此外，还证明了DPA检测在尿液和牛血清中的成功应用。结果，回收率在93.93–101.6％之间，相对标准偏差（RSD）小于5％。
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