OBJECTIVES Cetylpyridinium chloride (CPC), a quaternary ammonium compound, was shown to interact irreversibly with Streptococcus mutans biofilms, leading to a slow diffusion compared with poly(ethylene glycol) (PEG) molecules of similar size. The objective of this work is to determine if the retardation of CPC diffusion and its strong binding to biofilms is caused by interactions between the am...

This literature review aimed I'm verify which are the most effective hygiene protocols and oral antiseptics in reducing or preventing ventilator-associated pneumonia (VAP). A search for related articles was carried out pubmed science databases , selecting by title abstract full text excluding those whose theme not accordance with research objective . it found that although there several ways co...

In this work, we developed a simple and selective method for separation and spectrophotometric determination of trace amounts of cetylpyridinium chloride (CPC) in pharmaceutical products using cloud point extraction (CPE) technique. The method is based on cloud point extraction of the CPC in alkali conditions using of nonionic surfactant Triton X-114. Under selected conditions, the calibration ...

In this work, we developed a simple and selective method for separation and spectrophotometric determination of trace amounts of cetylpyridinium chloride (CPC) in pharmaceutical products using cloud point extraction (CPE) technique. The method is based on cloud point extraction of the CPC in alkali conditions using of nonionic surfactant Triton X-114. Under selected conditions, the calibration ...

The ability to chemically modify ionic liquids (ILs) has led an expansion in interest their use a diversity of applications, not least as antimicrobials and biocides. Relatively little is known about cytotoxicity mechanisms ILs comparison other biocides currently widespread use, well practical significance for the ecological environment human health. Using NCTC 2544 HaCat keratinocyte cells, th...

The presence of Mycobacterium avium complex (MAC) in stool specimens may be a predictor of disseminated MAC infection, yet the methods for decontaminating stools have not been evaluated for their usefulness in recovering MAC organisms. In the present study, four decontamination methods commonly used to recover acid-fast bacteria from respiratory specimens were compared for their utility in reco...