The ready-to-use BabyBio™ ACT columns are prepacked with WorkBeads™ 40/1000 ACT resin and are available in two-column sizes: 1 ml and 5 ml. WorkBeads 40/1000 ACT pre-activated resin enables easy and reliable coupling of proteins, peptides, and low-molecular-weight substances for the preparation of customized chromatography resins. The bromohydrin active group reacts with thiol, amino, and hydroxyl groups.