A suitable payload drug will be selected and coupled with a linker with desired releasing mechanism in “DrugLnk” to assemble the “chemical warhead” for an ADC, which is subsequently conjugated with the desired antibody using Antibody Design and Conjugation services. Certain modification or engineering of the selected antibody is also carried out in antibody conjugation service module. https://www.creative-biolabs.com/adc/antibody-drug-conjugate-adc.htm