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Neurosciences

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Full-Text Articles in Biomedical Engineering and Bioengineering

Three-Dimensional Human Neural Stem Cell Culture For High-Throughput Assessment Of Developmental Neurotoxicity, Pranav Joshi Jan 2019

Three-Dimensional Human Neural Stem Cell Culture For High-Throughput Assessment Of Developmental Neurotoxicity, Pranav Joshi

ETD Archive

Only a few hundred of compounds, among tens of thousands of commercially available compounds, have been tested for developmental neurotoxicity (DNT) due to the limitations of current guidelines for DNT which are based entirely on in vivo experiments. In vivo studies are highly expensive and time-consuming, which often do not correlate to human outcomes. There is a key gap in our ability to predict in vivo outcomes accurately and robustly using in vitro assays. This is particularly the case for predicting the toxicity of chemicals on the developing human brains. Conventional in vitro assays are typically performed in two-dimensional (2D ...


A Robotic Neuro-Musculoskeletal Simulator For Spine Research, Robb W. Colbrunn Jan 2013

A Robotic Neuro-Musculoskeletal Simulator For Spine Research, Robb W. Colbrunn

ETD Archive

An influential conceptual framework advanced by Panjabi represents the living spine as a complex neuromusculoskeletal system whose biomechanical functioning is rather finely dependent upon the interactions among and between three principal subsystems: the passive musculoskeletal subsystem (osteoligamentous spine plus passive mechanical contributions of the muscles), the active musculoskeletal subsystem (muscles and tendons), and the neural and feedback subsystem (neural control centers and feedback elements such as mechanoreceptors located in the soft tissues) [1]. The interplay between subsystems readily encourages "thought experiments" of how pathologic changes in one subsystem might influence another--for example, prompting one to speculate how painful arthritic changes ...