has subject area Animals Arylsulfonates - Congo Red Bombyx Chemistry Techniques, Analytical - Spectrum Analysis, Raman Diagnostic Imaging - Microscopy, Electron Diagnostic Techniques and Procedures - Staining and Labeling Diagnostic Techniques and Procedures - Staining and Labeling Egg Proteins Hydrocarbons, Aromatic - Congo Red Investigative Techniques - Microscopy, Electron Investigative Techniques - Staining and Labeling Investigative Techniques - Staining and Labeling Polycyclic Compounds - Congo Red Spectrum Analysis - Spectrum Analysis, Raman