Results 131 to 140 of about 312,116 (364)
Supersonic investigation of two dimensional hypersonic exhaust nozzles [PDF]
An experimental investigation was conducted in the NASA Lewis 10 x 10 ft supersonic Wind Tunnel to determine the performance characteristics of 2D hypersonic exhaust nozzles/afterbodies at low supersonic conditions.
Carboni, Jeanne D. +4 more
core +1 more source
A dual‐head airbrush‐based spraying device, combined with a fibrinogen bioink enriched with glycosaminoglycans and collagen, enables the delivery of biomaterials and cells to promote wound healing. This system demonstrates effective skin regeneration in vitro and in vivo, with comparable results to autografts.
Paula Pleguezuelos‐Beltrán +7 more
wiley +1 more source
Nuclear thermal rocket nozzle testing and evaluation program [PDF]
Performance characteristics of the Nuclear Thermal Rocket can be enhanced through the use of unconventional nozzles as part of the propulsion system. The Nuclear Thermal Rocket nozzle testing and evaluation program being conducted at the NASA Lewis is ...
Davidian, Kenneth O. +1 more
core +1 more source
Xeno‐Free Biocompatible Peptide‐Based Bioinks Reinforced with Cellulose Nanofibers for 3D Printing
A xeno‐free bioink combining self‐assembled peptides and cellulose nanofibers is developed for 3D printing. The bioink forms a non‐cross‐linked 3D scaffold, mimicking the extracellular matrix and supporting over 95% cell viability. This approach offers enhanced biocompatibility and mechanical stability, advancing 3D printing for personalized medicine ...
Francesca Netti +5 more
wiley +1 more source
Geometrically Tunable Scaffold‐Free Muscle Bioconstructs for Treating Volumetric Muscle Loss
Volumetric muscle loss is associated with traumatic muscle resulting in permanent functional impairment. Mold‐based, scaffold‐free, high‐density muscle tissue bioconstructs are developed in customizable geometric shapes and sizes. The transplanted rectangular solid‐shaped muscle bioconstructs improved muscle force recovery and tissue regeneration in ...
Bugra Ayan +8 more
wiley +1 more source
Jetting, in-nozzle meniscus motion and nozzle-plate flooding in an industrial drop-on-demand print head [PDF]
The state of the ink film at and near the nozzles of a drop-ondemand(DoD) print head during jetting has a direct impact on printing performance and reliability.
Hoath, SD +3 more
core
Bioprinting Organs—Science or Fiction?—A Review From Students to Students
Bioprinting artificial organs has the potential to revolutionize the medical field. This is a comprehensive review of the bioprinting workflow delving into the latest advancements in bioinks, materials and bioprinting techniques, exploring the critical stages of tissue maturation and functionality.
Nicoletta Murenu +18 more
wiley +1 more source
Despite significant efforts in developing novel biomaterials to regenerate tissue, only a few of them have successfully reached clinical use. It has become clear that the next generation of biomaterials must be multifunctional. Smart biomaterials can respond to environmental or external stimuli, interact in a spatial‐temporal manner, and trigger ...
Sonya Ghanavati +12 more
wiley +1 more source

