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(a) Nanocellulose cationisation by grafting of [2-(methacryloyloxy)ethyl]trimethylammonium chloride (DMQ) and etherification with EPTMAC. Reproduced with permission from ref (306) (CC-BY). (b) Schematic of the effects of rapid and slow freezing in pore structure of aerogels and the effect of this on their antibacterial properties. Reproduced with permission from ref (194) (CC-BY).
