SEARCH Articles Figures Tables Cellulose microfibril Cellulose microfibrils Helical cellulosics Helicate triple Helicates left-handed Helicates triple-stranded LEFT Left-handed helical cellulose microfibril Microfibril Microfibrilated cellulose Microfibrillated cellulose Microfibrillation Microfibrils Triple helicates Triple-stranded left-handed helical