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Full-Text Articles in Engineering

Design Of A 3d Printed Bioreactor For Bone Cancer Research, Brooklyn K. Vanderwolde, Katelyn Hillson May 2020

Design Of A 3d Printed Bioreactor For Bone Cancer Research, Brooklyn K. Vanderwolde, Katelyn Hillson

The Journal of Undergraduate Research

Bone cancer is an aggressive disease and has peak occurrence during physiological stimulation of growth and aging. Astronauts who undergo long-term space missions also acquire an increased risk of bone tissue degeneration and cancer. Few in-vitro models currently exist capable of reproducing the complex microenvironment of bone tissue to support multicellular activity in a three-dimensional structure. This limits the ability to understand disease progression and develop suitable treatment strategies. Therefore, developing a bone tissue model and an associated bioreactor is critical to understand the risks associated with cancer progression and improve treatment and preventions related to those risks. The goal …


Impact Resistant 3-D Printed Structures, Anna Schleper May 2020

Impact Resistant 3-D Printed Structures, Anna Schleper

The Journal of Undergraduate Research

This paper discusses the impact resistance of the mantis shrimp structure. Using past studies, an experiment was performed to identify an optimal wall thickness of a modified mantis shrimp structure. Various samples were 3-D printed using PLA and subjected to compression testing. Analysis of the data resulted in the finding that a wall thickness of 1.4 mm is the optimal thickness to obtain a lightweight, but impact resistant structure. These results are discussed further, along with any limitations of the findings.


Design Of An Affordable Rotating Drum Electrospinner For Classroom Education, Peder Solberg Mar 2020

Design Of An Affordable Rotating Drum Electrospinner For Classroom Education, Peder Solberg

The Journal of Undergraduate Research

Electrospinning is a technology used to generate small fibers down to nano-scale size. This method of fiber creation has been around for many years. However, in recent years electrospinning has found increased applications, especially in the area of tissue engineering due to its ability to create fibers with properties similar to the extracellular matrix in tissue. An electrospinning platform can illustrate concepts of engineering, electro-mechanical system design, manufacturing, and biomedical applications in one single package. Hence, it provides an excellent opportunity to integrate into secondary (middle and high school) and post-secondary (undergraduate) technology education.

Furthermore, just as integration of 3D …


The Journal Of Undergraduate Research: 2019 Jan 2020

The Journal Of Undergraduate Research: 2019

The Journal of Undergraduate Research

This is the complete issue of the South Dakota State University Journal of Undergraduate Research, Volume 17.