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Microbes turn biodiesel byproduct into three nylon building blocks, opening greener route

Microbes turn biodiesel byproduct into three nylon building blocks, opening greener route Sadie Harley Scientific Editor Robert Egan Associate Editor Nylon is a representative plastic material used throughout our daily lives, from clothing to automobiles. However, most of its raw materials have been produced through petrochemical processes, resulting in large carbon emissions. KAIST researchers have developed a technology that can produce key nylon precursors in an eco-friendly way using...

Phys.org 8d ago

Tea compound boosts seaweed hydrogel strength fivefold, while tuning adhesion and breakdown

Tea compound boosts seaweed hydrogel strength fivefold, while tuning adhesion and breakdown Sadie Harley Scientific Editor Robert Egan Associate Editor Could wound healing dressings adhere better, and could drug delivery patches become more sophisticated? A KAIST research team has developed a technology that leverages natural ingredients derived from plants to increase the strength of a seaweed-based hydrogel (a gel material that contains a large amount of water while maintaining its shape)...

Phys.org 21h ago

DNA design unlocks nanometer-scale catalyst control for cleaner hydrogen production

The fixed idea that DNA is only a molecule that stores genetic information is being challenged. KAIST researchers have developed a technology that controls the chemical environment around catalysts at the nanometer scale by designing DNA sequences—the arrangement of A, T, G and C that make up genetic information. The team has presented a new catalyst platform that can improve hydrogen production efficiency and increase the yield of desired chemical products by designing DNA much like writing...

Phys.org 1d ago

Dual-use research may outgrow national oversight, analysis of 600,000 papers suggests

Dual-use research may outgrow national oversight, analysis of 600,000 papers suggests Sadie Harley Scientific Editor Robert Egan Associate Editor A new analysis of approximately 600,000 research papers reveals structural limits to single-country security oversight of dual-use research and identifies trade-offs that policymakers face when strengthening such oversight. Professor Seokbeom Kwon of the KAIST School of Business and Technology Management has published a large-scale empirical...

Phys.org 4d ago

DNA repair enzyme uses one-dimensional sliding to detect key sites, researchers reveal

DNA repair enzyme uses one-dimensional sliding to detect key sites, researchers reveal Sadie Harley Scientific Editor Robert Egan Associate Editor DNA is the blueprint of the human body. However, tens of thousands of DNA lesions occur in our bodies every day. In particular, if "apurinic/apyrimidinic sites" (AP sites, damaged sites where one letter of DNA information has been erased) are not properly repaired, they can lead to cancer and aging.

Phys.org 5d ago

Twisted stacking lets 2D conductor keep single-layer performance in bulk form

Twisted stacking lets 2D conductor keep single-layer performance in bulk form Lisa Lock Scientific Editor Robert Egan Associate Editor Two-dimensional (2D) materials, which are significantly thinner than a single sheet of paper, have long drawn attention for their exceptional performance. However, they have faced a critical limitation: Their performance degrades significantly when multiple layers are stacked. A research team led by Professor Sarah S. Park from the Department of Chemistry at...

Phys.org 1d ago