Watch a movie demonstrating the happy and sad balls Â». Super Absorbant Polymers. Super absorbent polymers are a special class of polymers called polyelectrolytes that have a charge on the polymer chain that increases the solubility in water. They are generally used in the form of small particles that are crosslinked so they will form gel rather than completely dissolving.
The primary structure of protamine P1, the protamine used for packaging DNA in sperm cells, in placental mammals is usually 49 or 50 amino acids long. This sequence is divided into three separate domains: an arginine-rich domain for DNA binding flanked by shorter peptide sequences containing mostly cysteine residues.
Lialda (mesalamine) is an anti-inflammatory agent used to treat ulcerative colitis, proctitis, and proctosigmoiditis, and also to prevent the symptoms of ulcerative colitis from recurring.