Chemistry 1 447 General. Including alchemy QD1-65 1 447 QD1-999 1 447 Inorganic chemistry 986 Q 986 QD146-197 986 mer ... Science 986 hydrogel 130 hydrogels 93 chitosan 44 drug delivery 44 rheology 38 tissue engineering 32 gel 29 adsorption 26 alginate 25 nanoparticles 23 self-assembly 23 n/a 21 3D printing 19 gels 19 swelling 19 synthesis 18 mechanical properties 17 aerogel 16 wound healing 16 sodium alginate 15 sol-gel 15 biomaterials 14 mindre ...