Tyrosine and phenylalanine are adsorbed mainly in the form of zwitterions and adsorbed with their molecules parallel to the surface.
在活性炭表面，氨基酸主要以两性离子平躺方式吸附。
2
They took a porous dry film and attached a mix of structures called zwitterions, which have been used successfully to prevent bacteria stickiness in blood filtering and other applications.