There is a plethora of chromatographic supports available in different shapes, sizes, functionalities, and chemical compositions, that could be employed for the numerous applications such as purification, scavenging, and target quantification. Therefore, it becomes critical to understand the chemical nature of these materials to select optimum conditions for ligand immobilization. In this chapter, we have explained some commonly employed ligand immobilization techniques to graft the ligand on the resin surfaces. For a quick reference, we have also included some functionalities of the resins that are commercially available.
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