"Other researchers are developing techniques that emulate nanopore-based DNA sequencing, profiling polypeptides on the basis of the changes they induce in an electric current as they pass through tiny channels."

https://www.nature.com/articles/d41586-023-00178-y?utm_source=linkedin&utm_medium=social&utm_content=organic&utm_campaign=CONR_JRNLS_AWA1_GL_SCON_SMEDA_NATUREPORTFOLIO