A quick method of analysis of protein subunits by two dimensional electrophoresis Differential proteomic analysis of yellow-leaf disease of Populus in Henan Province Proteomic Analysis of storage substances during afterripening of dormant seeds with dry ripening process in maize inbred line 08-641 Proteomic Analysis of Dormant Seeds with Dry Ripening Process in Maize Inbred Lines Analysis of Resistance-related Proteins in Rice Against Brown Planthopper by Two-dimensional Electrophoresis