This product offers 250 microliters of polyclonal antibodies, sourced from rabbits and left unconjugated. It's ideal for Immunohistochemistry (IHC) applications, with reactivity towards human and rat specimens. The antibodies are purified through stabilization and are stored short-term at 2-8°C, long-term in aliquots at -20°C, with a recommendation to avoid freeze-thaw cycles. Intended for research use only, these antibodies were raised against porcine insulin. The formulation includes 0.09% sodium azide. Before opening, ensure to centrifuge the product. Note: The information provided is a paraphrased version of the original product description.