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The cross-linking process consists of chemically joining two or more molecules. The bridge is constructed using a reagent (cross-linker) that contains at least two reactive end groups capable of binding to specific functional groups of the molecules to be joined. This process is useful for proteomic methods (protein bioconjugation) but also to improve the performance, durability and weatherability of polymers. Cross-linkers increase the molecular weight of the cross-linked polymer and, in...