Disclosed is a sensor chip for detecting a target molecule in a sample. The sensor chip includes a substrate having a surface and a layer of hydrogel particles immobilized on the substrate surface at two or more locations on the surface, wherein the hydrogel particles at a first location comprise a plurality of first probe molecules bound to the particles and the hydrogel particles at a second location comprise a plurality of second probe molecules bound to the particles. Systems that include the sensor chip, as well as methods of preparing and using the sensor chip, are also disclosed.
本发明公开了一种用于检测样品中目标分子的传感器芯片。传感器芯片包括具有表面的基底和固定在基底表面上两个或两个以上位置的
水凝胶颗粒层,其中第一位置的
水凝胶颗粒包括与颗粒结合的多个第一探针分子,第二位置的
水凝胶颗粒包括与颗粒结合的多个第二探针分子。还公开了包括传感器芯片的系统以及制备和使用传感器芯片的方法。