Supplementary Material Available; Reaction rates for acid-promoted transformations under heating are summarized in Figures 1-3 (4 pages). Ordering information is given on any current masthead page.Studies on the Syntheses of Sesquiterpene Lactones. 10.1 2Improved Syntheses of (+ )-Tuberiferin and the Related «-Methylene 7-Lactones and Their Biological Activities
This
work presents a comprehensive analytical survey of the antibacterial
and antibiofouling properties of sub-100-nanometer scale nanopatterned
polymers fabricated using scalable industrial processes that are directly
applicable for commercial use. Regular nanopillar arrays of 60 nm
height and 60 nm pitch were fabricated on polyethylene terephthalate
(PET), polypropylene (PP), acrylic, and nylon polymer films using
nanoimprint lithography. Analyses of the influence of material type
on antibacterial performance revealed that the nanoscale patterns
produced using acrylic and nylon polymers were most suitable as anti-infective
nanostructured materials. Further assessment of the influence of the
nanopattern geometric parameters on the antibacterial efficacy of
acrylic and nylon materials revealed the superlative pattern for inactivating
and repelling both Gram-positive and Gram-negative bacteria. Acrylic
nanostructured films consisting of nanopillars with a height of 60
nm and pitch of 30 nm, respectively, demonstrated distinctly superior
antimicrobial and antibiofouling behavior toward both Gram-negative Pseudomonas aeruginosa and Gram-positive Staphylococcus
aureus bacterial species.
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