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(A) Live/dead CLSM micrographs of HUVECs seeded for 3 days, with (i,ii) or without (iii,iv) FBS, in the uncoated (i,iii) and (CHT/ALG-RGD)6-coated hollow microchannels (ii,iv) embedded in photocrosslinkable XG-GMA hydrogels. White dashed lines indicate the boarders of the microchannels. (B) Quantification of cell viability in the uncoated and LbL-coated microchannels for HUVECs seeded for 3 days with or without FBS.
