Methods: radioligandbinding assay andfunctional experiment of isolated perfused left atria were mesured.
方法：放射配体结合实验和离体左心房收缩功能实验。
2
Methods: receptor radioligandbinding assay, receptor DNA binding assay and immunofluorescence methods were used.
方法：采用受体放射配基结合分析、受体- DNA结合分析及免疫荧光技术。
3
The type and content of adrenoceptors in heart of normothermic and cold-acclimatized toad were studied by radioligandbinding assay at different testing temperatures.