Abstract

The surface with different water contact angle (θAW) was prepared through the use of self-assembled monolayers (SAMs) and the effect of water contact angle on the colonization of diatoms (Naviculasp andPinnulariasp) andUlvaspores (Pertusa) was researched in an optional environment. Results revealed that the statistical adhesion density of colonized diatoms have a reciprocal-proportional relationship with θAW, and the adhesive force increase with the increase of θAW. However, it was the other way round forUlvaspores. Different with previous primary adhesion study, it also was revealed that diatoms have selectivity in colonization stage. All of these must due to their different reproduce (or grow) mode and extracellular polymers (EPS) composition.

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