*Peptide Phosphorylation/ Sulfated Peptides

*Peptide Biotinylation

*Cyclization

*Linker, Spacer,PEGylation

*Fluorescence Labeling: FITC, FAM,TAMRA, Rhoadmine, Dansyl, Pyrene

*Peptide Magnetic Agarose Conjugate

*N terminal Acetylation / Biotinylation

*C terminal Acetylation/ Biotinylation

*Disulfide Bond Peptides

*Methylated Peptides

*Isotop Labeling

*Special Amino Acids: Cys (tBu),

*MAP (Multiple-Antigen Peptide), etc.