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Nº publicación: CN119223942A 31/12/2024
Applicant:
华东理工大学
Absstract of: CN119223942A
本发明公开了一种磁性水凝胶包裹细菌生物传感器平台与应用,属于合成生物学及临床诊断领域。该水凝胶递送回收体系包括水凝胶包裹的全细胞生物传感器和磁性微粒,其中,所述水凝胶由海藻酸钠和氯化钙构建,所述生物传感器为感应血红素的细菌。更具体地,本发明是使用海藻酸钠水凝胶封装工程细菌YES601和磁性Fe3O4微粒形成磁性水凝胶微球,作为生物传感器递送至肠道可以感应血红素而发光,再通过磁性吸附的方式从粪便中高效回收完整微球进行检测,提高了全细胞生物传感器检测肠道出血效率以及安全性。本发明提供的水凝胶递送回收体系整体设计优化策略可以提高诊断效率和实际应用价值。