Rapid chromatic detection of bacteria by use of a new biomimetic polymer sensor

Article Abstract:

A new bacterial detection platform generating dramatic visible color changes accompanied by intense fluorescence emission that are induced by membrane-active molecules secreted by proliferating bacteria is described. The chromatic technology is generic and simple, does not require identification a priori of specific bacterial recognition elements, and could be applied for detection of both gram-negative and gram-positive bacteria.

Analysis, Phospholipids, Structure, Chemical properties, Microbiological techniques (Diagnosis)

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Piezotolerant small-colony variants with increased thermotolerance, antibiotic susceptibility, and low invasiveness in a clonal Staphylococcus aureus population

Article Abstract:

Piezotolerant variants can be isolated following a pressure treatment of a clonal Staphylococcus aureus culture with 400 MPs for 30 minutes. Many isolates have displayed an increased thermotolerance, impaired growth, and reduced antibiotic resistance compared to the wild type.

Staphylococcus aureus, Fibrinogen

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