3D printing is gaining popularity by providing a tool for fast, cost-effective, and highly
customizable fabrication. However, little is known about the toxicity of 3D-printed objects. In …

A stereolithography system comprises an emitting device and a tank disposed above the
emitting device. The tank has a first optically transparent bottom wall and a second optically …

A bioassembly system having a tissue/object modeling software component fully and
seamlessly integrated with a robotic bioassembly workstation component for the computer …

Described herein are bioprinters comprising: one or more printer heads, wherein a printer
head comprises a means for receiving and holding at least one cartridge, and wherein said …

Methods and compositions for additive manufacturing that include reactive or thermosetting
polymers, such as urethanes and epoxies. The polymers are melted, partially cross-linked …

(57) ABSTRACT Related US Application Data Described herein are bioprinters comprising:
one or more printer heads, wherein a printer head comprises a means for (63) Continuation …

Engineered, living, three-dimensional liver tissue constructs including: one or more layers,
wherein each layer contains one or more liver cell types, the one or more layers cohered to …

Disclosed are systems, compositions, and methods for three dimensional (3D) printing. An
example system includes a plurality dispensers configured to deposit materials from their …

(63) Continuation of application No. 13/968.313, filed O (57) ABSTRACT Aug. 15, 2013, now
Pat. No. 8,931,880, which is a continuation of application No. 13/246,428, filed on Described …

Engineered, living, three-dimensional liver tissue constructs comprising: one or more layers,
wherein each layer contains one or more liver cell types, the one or more layers cohered to …