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Hyperbranched polymers show branching-density-dependent chromatography behavior
Hyperbranched polystyrene exhibits nonuniversal exclusion-to-adsorption transitions in chromatography, governed by branching density and fractal dimension, diverging from linear polymer behavior.
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OH reaction with gamma-heptalactone favors C5 hydrogen abstraction
Computational kinetic study of OH radical reactions with gamma-heptalactone, establishing reaction mechanisms, rate coefficients, and product formation pathways relevant to atmospheric chemistry.
