Acids are a form of a chemical exfoliant to remove dead skin cells, smooth texture, unclog pores, and fade hyperpigmentation. Unlike physical scrubs—which can be abrasive and cause microtears in Black ...

We used oligonucleotides containing locked nucleic acid (LNA) residues (20, 21) to selectively disrupt predicted helices. We also used SHAPE to monitor frameshift element structure in the presence of ...