Related by context. Frequent words. (Click for all words.) 71 lignin 66 cellulosic 65 starch 62 polymers 59 polymer 59 enzymes 59 cellulosic ethanol 58 fibers 57 feedstocks 57 resins 56 sugars 56 fibrous 55 feedstock 55 corn starch 55 biomass 55 switchgrass 55 polymeric 55 corn stover 55 starches 54 cellulosic biofuels 54 carbon nanotubes 53 butanol 53 wood pulp 53 biologically active 53 biobased 53 nanotube 53 alkali 53 glycerol 53 wood chips 52 carbon fibers 52 biorefinery 52 plastics 52 biodegradable 52 biofuel 52 synthetic fibers 52 biodegrade 52 CNTs 51 organic compounds 51 ethanol 51 aluminum oxide 51 bioplastics 51 Enzymes 51 bagasse 51 soluble 51 pyrolysis 51 keratin 51 woody biomass 50 bioactive 50 nanotubes 50 syngas 50 microalgae 50 carbon nanotube 49 alcohols 49 polypropylene 49 membranes 49 bioethanol 49 monomers 49 bioenergy 49 polyurethanes 49 polymerization 49 recycled plastics 49 enzymatic 49 pectin 49 composites 49 composite materials 49 biodiesel 49 paperboard 49 microorganism 49 Nanotubes 49 graphene 48 amino acids 48 biofuels 48 algae 48 micro organisms 48 water soluble 48 resin 48 fermentation 48 silica 48 microorganisms 48 polystyrene 48 silicate 48 substrates 48 hydrogenation 48 biofilms 48 algal 48 calcium carbonate 47 enzyme 47 polyamide 47 substrate 47 solar cells 47 vegetable oils 47 biodegradable plastic 47 oxide 47 gasifier 47 foams 47 fluorine 47 nanostructures 47 adhesives 47 thermoplastics 47 titanium dioxide 47 corn cobs