...comes from. Then consider the following questions: Do you need polyclonal or monoclonal antibodies? Will...direct or indirect detection method? If indirect, do you already have secondary antibodies available in...have identical features and epitopes, to ensure you do not validate the same antibody multiple times. You...antibodies will also have a source species. What conjugate do you want to use? Most secondary antibodies will be...buy small aliquots of many different antibodies and do batch validation up front rather than risk delaying...