Journal
PHARMACEUTICS
Volume 13, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/pharmaceutics13091527
Keywords
nanofiber; Nanospider(TM); electrospinning; chloramphenicol; antimicrobial activity; anti-inflammatory activity
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Funding
- UiT The Arctic University of Norway
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The development of multifunctional nanofibrous wound dressings containing chloramphenicol, beta-glucan, and chitosan shows promising anti-inflammatory and antimicrobial properties for the treatment of infected and exuding wounds.
An active wound dressing should address the main goals in wound treatment, which are improved wound healing and reduced infection rates. We developed novel multifunctional nanofibrous wound dressings with three active ingredients: chloramphenicol (CAM), beta-glucan (beta G) and chitosan (CHI), of which beta G and CHI are active nanofiber-forming biopolymers isolated from the cell walls of Saccharomyces cerevisiae and from shrimp shells, respectively. To evaluate the effect of each active ingredient on the nanofibers' morphological features and bioactivity, nanofibers with both beta G and CHI, only beta G, only CHI and only copolymers, polyethylene oxide (PEO) and hydroxypropylmethylcellulose (HPMC) were fabricated. All four nanofiber formulations were also prepared with 1% CAM. The needle-free Nanospider(TM) technique allowed for the successful production of defect-free nanofibers containing all three active ingredients. The CAM-containing nanofibers had a burst CAM-release and a high absorption capacity. Nanofibers with all active ingredients (beta G, CHI and CAM) showed a concentration-dependent anti-inflammatory activity, while maintaining the antimicrobial activity of CAM. The promising anti-inflammatory properties, together with the high absorption capacity and antimicrobial effect, make these multifunctional nanofibers promising as dressings in local treatment of infected and exuding wounds, such as burn wounds.
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