TY JOUR TI Silver-containing nanocomposite based on guar gum as a catalyst for the reduction of 4-nitrophenol KW Guar gum KW silver nanoparticles KW catalysis KW reduction KW 4-nitrophenol JO From Chemistry Towards Technology Step-By-Step AU Varfolomeeva, V.A. AU Shestakov, A.S. AU Samotina, I.Y. AU Bunina, V.R. AU Remho, V.V. PY 2025 IS 6 PB Yaroslavl State Technical University