ie kappa expression, Ultrasensitive automated RNA in situ hybridization for kappa and lambda light chain mRNA detects B-cell clonality in tissue biopsies with performance comparable or superior to flow cytometry Modern Pathology, Umiboshi on Twitter: "Kappa - Used sarcasm, also used to express doubt in a claims, i.e. "Watch, I'm gonna clear this level in one try." https://t.co/IbPwZuazLV" Twitter