Biofilm rupture by laser-induced stress waves increases with loading amplitude, independent of location.

ABSTRACT: Integral to the production of safe and biocompatible medical devices is to determine the interfacial properties that affect or control strong biofilm adhesion. The laser spallation technique has recently emerged as an advantageous method to quantify biofilm adhesion across candidate biomedical surfaces. However, there is a possibility that membrane tension is a factor that contributes to the stress required to separate biofilm and substrate. In that case, the stress amplitude, controlled by laser fluence, that initiates biofilm rupture would vary systematically with location on the biofilm. Film rupture, also known as spallation, occurs when film material is ejected during stress wave loading. In order to determine effects of membrane tension on the laser spallation process, we present a p

SUBMITTER: Kearns KL 

PROVIDER: S-EPMC8162196 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature