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18,305 results
  • Bioink formulations to ameliorate bioprinting-induced loss of cellular viability. [Journal Article]
    Biointerphases 2019; 14(5):051006Datta S, Das A, … Datta P
  • Extrusion bioprinting, the most affordable and convenient bioprinting modality, is also associated with high process-induced cell deaths. Mechanical stresses on the cells during pneumatic or piston extrusion generate excessive reactive oxygen species and activate apoptosis, inflammatory pathways in the cells. In this study, a bioink formulation is augmented with an antioxidant, N-acetyl cysteine …
  • Core/shell Printing Scaffolds For Tissue Engineering Of Tubular Structures. [Journal Article]
    J Vis Exp 2019; (151)Milojević M, Vihar B, … Maver U
  • Three-dimensional (3D) printing of core/shell filaments allows direct fabrication of channel structures with a stable shell that is cross-linked at the interface with a liquid core. The latter is removed post-printing, leaving behind a hollow tube. Integrating an additive manufacturing technique (like the one described here with tailor-made [bio]inks, which structurally and biochemically mimic th…
  • Catalyst-Loaded Capsules that Spontaneously Inflate and Violently Eject their Core. [Journal Article]
    Langmuir 2019DeMella KC, Raghavan SR
  • We present a design for polymer capsules that exhibit a range of unusual autonomous behaviors when exposed to a chemical fuel. The capsules have a physically gelled core (alginate-Ca2+) loaded with catalytic (silver) particles and a shell composed of a chemically cross-linked gel. In the presence of the fuel (H2O2), a catalytic reaction occurs, which generates oxygen (O2) gas. The gas collects in…
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