Chemicals and chemically-modified surfaces for use in research and development in life sciences, namely, phenylboronic acid (PBA) and salicylhydroxamic acid (SHA) reagents and their derivatives; surfaces modified with either PBA or SHA, such surfaces including but not limited to plates, slides, capillaries, substrates, resins, magnetic particles, separation media, and chromatographic media; and kits comprised of the aforementioned chemicals and chemically-modified surfaces