Publications by authors named "Isaiah T Dishner"
Article Synopsis
- - The study investigated a diverse group of 95 enzymes from the N-terminal nucleophile hydrolase superfamily, focusing on their ability to hydrolyze synthetic polyamides like nylon.
- - About 40% of these enzymes demonstrated significant nylon hydrolase activity, comparable to the well-known enzyme NylC, without any clear link between their evolutionary relationships and their hydrolytic capabilities.
- - Researchers identified several enzymes with strong substrate selectivity, especially those that efficiently processed Nylon 6,6, and also analyzed the crystal structure of a specific hydrolase to better understand the factors affecting its activity and selectivity.
We report a distinct strategy to upcycle waste polyalkenamers such as polybutadiene into new, performance-advantaged materials by using them as drop-in additives for ring-opening metathesis polymerization (ROMP). The polyalkenamers serve as competent chain-transfer agents in ROMPs of common classes of cyclic olefin monomers, facilitating good molecular weight control, allowing low Ru catalyst loadings, and enabling efficient incorporation of the polyalkenamer into the synthesized polymeric material. We successfully demonstrate ROMP using model polyalkenamers and translate these learnings to leverage commercial polybutadiene and acrylonitrile butadiene styrene () as chain transfer agents for ROMP copolymerizations.
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