期刊
NANOMATERIALS
卷 13, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/nano13050904
关键词
biofilm models; infection; bacteria; 3D printing; microfluidics; microcosm models; in vitro models
Bacterial infections present a growing threat to healthcare systems. Bacteria often form biofilms, which are dense 3D structures that make eradication difficult and promote antibiotic resistance. Understanding the composition and mechanical properties of biofilms is crucial for developing effective in vitro models. This review provides an overview of biofilm features, explores factors influencing biofilm composition, and presents various in vitro biofilm models, comparing their advantages and disadvantages.
Bacterial infections are a growing concern to the health care systems. Bacteria in the human body are often found embedded in a dense 3D structure, the biofilm, which makes their eradication even more challenging. Indeed, bacteria in biofilm are protected from external hazards and are more prone to develop antibiotic resistance. Moreover, biofilms are highly heterogeneous, with properties dependent on the bacteria species, the anatomic localization, and the nutrient/flow conditions. Therefore, antibiotic screening and testing would strongly benefit from reliable in vitro models of bacterial biofilms. This review article summarizes the main features of biofilms, with particular focus on parameters affecting biofilm composition and mechanical properties. Moreover, a thorough overview of the in vitro biofilm models recently developed is presented, focusing on both traditional and advanced approaches. Static, dynamic, and microcosm models are described, and their main features, advantages, and disadvantages are compared and discussed.
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