For Best Results. Apply the Upper Brush against the top lashes and sweep from root to tip until a clean, voluminous look is achieved, followed by the lower lash line using the Micro Brush. Do not let dry between coats. Removes with soap and water or with MaybellineÂ® Clean Express!Â® Eye Makeup Remover.
Neutral peptides usually dissolve in organic solvents. First, try to add a small amount of acetonitrile, methanol, or isopropanol. For very hydrophobic peptides, try to dissolve the peptide in a small amount of DMSO, and then dilute the solution with water to the desired concentration.
Amino acids are derivatized primarily to. obtain volatile derivatives, not for monitoring with an ECD. PFPA is used to prepare volatile derivatives of alcohols, amines, and. phenols for use with either an ECD or an FID. PFPA should be used. with an acid scavenger to prevent column damage.