AI Article Synopsis
- A novel antibacterial material combining polydimethylsiloxane and calcium hypochlorite was created to utilize its water-resistant and chemically stable properties.
- The material can release free chlorine quickly after just 2 minutes in water and maintain this release for up to 2 weeks, with the concentration of chlorine varying based on the time immersed and initial content.
- This PDMS/Ca(ClO) compound shows effective long-term antibacterial action against various bacteria, suggesting it could be useful for disinfection in medical and industrial settings.
Article Abstract
A novel sustained chlorine-releasing polydimethylsiloxane/Ca(ClO) (PDMS/Ca(ClO)) material was fabricated by encapsulating Ca(ClO) in a PDMS matrix due to its high hydrophobicity and high chemical stability, which showed immediate-responsive and long-lasting antibacterial capabilities in aqueous conditions. Free chlorine could be released from the PDMS/Ca(ClO) after immersion in water for 2 min and could also be sustainedly released for 2 weeks, while the released concentration is negatively related to the duration time and positively with the initial Ca(ClO) contents. Additionally, Ca(ClO) powder as a filler significantly affects the crosslinking and pore size of PDMS. The PDMS/Ca(ClO) materials exhibited enduring antibacterial performance against () and () in both planktonic and multispecies-biofilm status. It is expected that this PDMS/Ca(ClO) material and its similar composite would be promising candidates for wide sustainable disinfection applications in biomedical and industrial fields.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11019411 | PMC |
| http://dx.doi.org/10.1039/d4ra00663a | DOI Listing |
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