Article 4 chemical modification 4 chemical reaction Fourier transform infrared spectroscopy 3 chemistry 2 controlled study 2 enzyme activity 2 enzyme specificity 2 1,4 alpha glucan 1 1,4-glucan 1 4 alpha-glucanotransferase 1 4,6 alpha glucanotransferase 1 Activated Rubber Particles 1 Alginates 1 Amides 1 Asphalt 1 Asphalt binders 1 Asphalt-binder 1 Binders 1 Bio-modification 1 Biomodification 1 Biopolymer 1 Carbon 1 Carbon-centered radicals 1 Cell Wall 1 Chemical activation 1 Coloring Agents 1 Crumb rubber 1 Density functional theory 1 Density functional theory (DFT) 1