Protein Labelling Market Size, Share and Analysis by Labelling Method (In-vitro, In-vivo), By Product Type (Reagents, Kits), By Application (Fluorescence microscopy, Mass spectrometry, Protein assay, Cell based-assay, Immunological techniques), By End-user (Biopharmaceutical companies, Academic & research institutes, Hospitals, Diagnostic centers), and Regional Forecast, 2025-2032