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Articles 1 - 30 of 58
Full-Text Articles in Engineering
Methodology For Formalin Fixed Paraffin Embedded Cardiac Tissue Analysis, Leah G. Gutzwiller, Colleen Crouch
Methodology For Formalin Fixed Paraffin Embedded Cardiac Tissue Analysis, Leah G. Gutzwiller, Colleen Crouch
Haslam Scholars Projects
No abstract provided.
Frostflex, Isaac Edmondson, Caleb Edmondson, Joey Esker, Nadine Salem
Frostflex, Isaac Edmondson, Caleb Edmondson, Joey Esker, Nadine Salem
Williams Honors College, Honors Research Projects
Research has shown that the majority of heat lost during physical exercise leaves the body through the hands, feet, and the face. Our design project seeks to develop cooling glove technology to increase the rate at which heat leaves the body during recovery from physical exertion. The goal of this project was to investigate different ways in which heat absorption through various mediums can be manipulated and scaled into an adaptable, flexible design in which athletes of all levels, from recreational to professional, can improve their physical performance with the use of our gloves. Deliverables include a functional prototype, product …
Engineering The Development Of Neuromuscular Circuitry On-Chip, Inès Khiyara
Engineering The Development Of Neuromuscular Circuitry On-Chip, Inès Khiyara
Electronic Theses and Dissertations
Neuromuscular development happens in a complex interconnected network of biochemical pathways. This complicated embryonic development follows a strong, functional, and precise neuromuscular network that has interested both scientists and engineers who seek to better understand neuromuscular diseases. These disorders can be inherited or acquired, and their severity and mortality can vary. Researchers first studied the neuromuscular network from an organismal perspective, and more recently from an embryological, cellular, molecular, biochemical, and genetic perspective. From these studies, the fundamental principles of motor neuron pathfinding to muscles are widely understood, but the molecular drivers of specific nerve-muscle pairing remain unknown. Although in …
Manual Material Handling Lift-Assist System For Occupational Exoskeleton, Erik Goes, Daniel Guthrie, Trevor Ward
Manual Material Handling Lift-Assist System For Occupational Exoskeleton, Erik Goes, Daniel Guthrie, Trevor Ward
Honors Capstones
It is no secret that lifting heavy objects is one of the premier causes of workplace injury, and the modern worker needs help to remain healthy. Workers need something they always have with them that makes their work safer as well as easier; our solution is an active lift-assist exoskeleton. The proposed exoskeleton design includes a military backpack exoskeleton frame, on which two actuators pull cables attached to end effectors that the operator will be holding. This system can adjust to conform to a wide variety of operator sizes, without restricting any of their range of motion. This leads to …
Developing New Crutch Tip Design For Overall Increased Stability And Improved Movement On Different Terrains, Lauren Skinner
Developing New Crutch Tip Design For Overall Increased Stability And Improved Movement On Different Terrains, Lauren Skinner
Honors Theses
Crutches are a mobility assistive device that are often used in various situations, such as post- surgical rehabilitation and recovery after injury. The current crutch tip design that is used on today’s crutches are often unstable and do not provide quality movement on different terrains, such as snow, ice, mud, and wet surfaces. These problems would be solved with a new tip design that could be attached to existing crutches or manufactured with the crutch itself. The team’s solution to this problem is a crutch tip with modular parts. The tip would attach to the shaft of the crutch like …
Novel Mobility Device For Conjoined Twins, Allyson Bowgren
Novel Mobility Device For Conjoined Twins, Allyson Bowgren
Honors Capstones
This project provides a solution to a problem proposed by a pair of conjoined clients. With their desire to become fully independent, the clients need an improved mobility device. Being joined at the head, moving around was always difficult for them and their situation did not get any better after an accident left one of them immobile. Their current device was a decent and quick solution at the time it was first needed. However, since its conception the device quickly became obsolete, and they are now in need of a more effective device that allows them to travel easier. This …
An Engineering And Economic Analysis Of The Implementation Of The Carbo Rock-It, Lydia Huck
An Engineering And Economic Analysis Of The Implementation Of The Carbo Rock-It, Lydia Huck
Graduate Theses and Dissertations
The patented Carbo Rock-It system was developed to carbonate beverages for the craft brewing industry with the goal of reducing time, cost, and environmental impacts of the carbonation process. This research field tests, models, analyzes and optimizes the engineering and economic performance of a commercial-scale Carbo Rock-It placed in production at an operating brewery (Core Brewing and Distilling Co., Springdale, AR). Field tests indicated that the Carbo Rock-It was able to successfully carbonate twelve 120 BBL batches of Scarlet Letter Seltzer to 3.0 vol/vol while meeting all beverage quality and safety requirements. The Carbo Rock-It was able to reduce carbonation …
Clinical Retractable Infant Barrier, Josh Duzan, Kalani Carter, Jack Oberman, Hunter Thomas
Clinical Retractable Infant Barrier, Josh Duzan, Kalani Carter, Jack Oberman, Hunter Thomas
Chancellor’s Honors Program Projects
No abstract provided.
Medical Sound Simu-Vest, Daniel P. Woods, Luke M. Stanley, Megan Hines, Chris Cochran
Medical Sound Simu-Vest, Daniel P. Woods, Luke M. Stanley, Megan Hines, Chris Cochran
Chancellor’s Honors Program Projects
No abstract provided.
Medical Sound Simuvest, Luke Stanley, Daniel Woods, Megan Hines, Chris Cochran
Medical Sound Simuvest, Luke Stanley, Daniel Woods, Megan Hines, Chris Cochran
Chancellor’s Honors Program Projects
No abstract provided.
Creating Reel Designs: Reflecting On Arthrogryposis Multiplex Congenita In The Community, Iris Layadi
Creating Reel Designs: Reflecting On Arthrogryposis Multiplex Congenita In The Community, Iris Layadi
Purdue Journal of Service-Learning and International Engagement
Because of its extreme rarity, the genetic disease arthrogryposis multiplex congenita (AMC) and the needs of individuals with the diagnosis are often overlooked. AMC refers to the development of nonprogressive contractures in disparate areas of the body and is characterized by decreased flexibility in joints, muscle atrophy, and developmental delays. Colton Darst, a seven-year-old boy from Indianapolis, Indiana, was born with the disorder, and since then, he has undergone numerous surgical interventions and continues to receive orthopedic therapy to reduce his physical limitations. His parents, Michael and Amber Darst, have hopes for him to regain his limbic motion and are …
Build Your Own Body Mod: Empowerment Through Prototyping And Design, Anaiss Arreola, Katherine R. Ganim
Build Your Own Body Mod: Empowerment Through Prototyping And Design, Anaiss Arreola, Katherine R. Ganim
Journal of Science Education for Students with Disabilities
When you don’t have a hand, what could you have instead? This article introduces the impact of inviting youth with disabilities to learn tools and technology to design their own solutions and advocate for their own future. This approach to programming is rooted in a mindset of designing WITH, not FOR. Not only are design outcomes improved when users are incorporated into the process, but this approach has been shown to improve confidence in creating one’s own solutions. These programs include hands-on “design-your-own-body-mod” workshops, as well as a budding inclusive design consultancy led by youth with disabilities. Through this programming, …
Design For Living
DePaul Magazine
With health care increasingly moving online, DePaul has emerged as a leader in cutting-edge digital technology leveraged for the greater good. From harnessing design as a vehicle for social change to creating an app to help close racial inequity gaps in care, 21st-century advances with an eye toward Vincentian values are unfolding every day at DePaul thanks to the inventiveness and ingenuity of its faculty, staff and students.
Silk Hydrogels Incorporated With Melanin, Anne Lutz
Silk Hydrogels Incorporated With Melanin, Anne Lutz
Browse all Theses and Dissertations
Melanin is a naturally produced pigment found within the human body. Melanin is known for its ability to protect against Ultra Violet light, but also its ability to allow for mechanical protection. Making melanin a good addition to biomedical devices such as hydrogels. Silk hydrogels are weak in their load bearing capabilities but are known for their biocompatibility, biodegradability, and porosity. This makes the silk hydrogel a good material to incorporate melanin into in order to improve the mechanical properties. For the silk solution to form a solid, there must be a presence of both a catalyst and an oxidizer …
Cellular Attachment On Poly(Lactic Acid) For Use In Tissue Engineering, Stephen R. Hunter
Cellular Attachment On Poly(Lactic Acid) For Use In Tissue Engineering, Stephen R. Hunter
Masters Theses
Tissue engineering is a promising new method for organ regeneration. This method can be used to repair damaged tissue, or possibly replace a fully functional organ. In summary, a biopsy is taken from a donor, isolated, then grown onto a framework resembling an organ. Once grown; it is then transplanted into the patient. Over time, the body will degrade the scaffold, leaving the organ or tissue in its place. As this scaffold is present in the body for an extended time; factors like biocompatibility, toxicity, immunogenicity, and structural stability must be researched.
Several polymers have already been researched for use …
In The Pursuit Of Assistance: A Team's Desire To Not Let A Congenital Amputation Get In A Young Boy's Way, Carl Russell Iii, Gavin Loucks, Kirsten Wozniak
In The Pursuit Of Assistance: A Team's Desire To Not Let A Congenital Amputation Get In A Young Boy's Way, Carl Russell Iii, Gavin Loucks, Kirsten Wozniak
Purdue Journal of Service-Learning and International Engagement
EPICS is a service-learning design program run through Purdue University. It strives to teach students design skills through providing for individuals, communities, and organizations in the surrounding area while mirroring engineering industry standards. BME (Biomedical Engineering) is a team within EPICS that strives to serve community partners through biomedical applications. William Sevick is an elementary school student with a congenital arm amputation. William and his family have been working with the BME team for the past three years designing assistive devices with the purpose of improving his actions in daily life such as eating, playing games, and riding his bike.
Protease Resistant Growth Factor Formulations For The Healing Of Chronic Wounds, Tabitha Boeringer
Protease Resistant Growth Factor Formulations For The Healing Of Chronic Wounds, Tabitha Boeringer
USF Tampa Graduate Theses and Dissertations
Chronic wounds are those wounds which are refractory to treatment, often taking years to heal. These wounds are complex and may present with elevated protease levels, resulting in rapid degradation of growth factors, both native and augmented via treatment. This study’s focus was the development of a system to protect growth factors from protease mediated degradation.
The protective system consisted of chimeric fusion proteins developed to contain both a growth factor or known protease inhibitory peptide and an Elastin-Like-Peptide (ELP)component. The unique phase transitioning abilities of the ELP component allowed for the self-assembly of these chimeric fusion proteins into a …
An Improved Method For Hospital Acquired Pressure Ulcer (Hapu) Prevention, Megan Morrissey, Jillian Yeager, Julia Beekman
An Improved Method For Hospital Acquired Pressure Ulcer (Hapu) Prevention, Megan Morrissey, Jillian Yeager, Julia Beekman
Honors Theses
Hospital acquired pressure ulcers (HAPUs), also called bedsores, are damage to the skin and/or underlying tissue caused by prolonged pressure on the bony areas of the body, with around 20% of pressure ulcers occurring in the heel region. Currently, the most common practice for HAPU prevention is arbitrary manual repositioning of patients by nurses every 1-2 hours. The goal of our project was to address HAPUs in the heel region of low mobility patients through an ulceration risk sensing system. Our team has created a wearable ulceration risk assessment system that combines individual patient risk data with real time pressure …
Bionic Hand Team, Christopher T. Rossiter, David J. Bogacz, Carly J. Ulrich
Bionic Hand Team, Christopher T. Rossiter, David J. Bogacz, Carly J. Ulrich
Scholars Symposium
The project goal is to design a low cost prosthetic hand controlled by a PIC18F25K22 microcontroller that will allow the user to perform simple tasks that require a greater dexterity than what a mechanical prosthetic can deliver. The digits of the prosthetic will be contracted or relaxed using electromyographic signals measured by electrodes on a single muscle group. Grip settings, which define the open and closed position for each digit, are used for the control of the hand. This allows common actions, such as grabbing a door handle or pencil, to be accomplished with readings from one muscle group instead …
All-Wheel-Ukraine, Sofiya Rakovska, Hannah Mcculloch, Andrey Garasimchuk, Ahmad Alsaihati
All-Wheel-Ukraine, Sofiya Rakovska, Hannah Mcculloch, Andrey Garasimchuk, Ahmad Alsaihati
Williams Honors College, Honors Research Projects
We are working with a non-profit organization in Ukraine that provides wheelchairs/strollers to families of disables children who cannot afford them. Their current preferred solution is a baby stroller. The organization asked us to create a wheelchair that is cost efficient, light and collapsible to be used for children ages up to thirteen years old. We will be creating an alpha prototype wheelchair by modifying a basic wheelchair that we purchased. This modifications include adding a headrest that is adjustable and provides a sufficient support for children within the age group given to us and diverse levels of disabilities. We …
Prosthetic Foot/Ankle Inversion & Eversion Enhancement, Jason Wiebrecht, Maddison Grimes
Prosthetic Foot/Ankle Inversion & Eversion Enhancement, Jason Wiebrecht, Maddison Grimes
Williams Honors College, Honors Research Projects
Modify a prosthetic foot/ankle, that currently has power at the ankle joint, for dorsiflexion/flexion so that it supplies power across a simulated subtalar joint, making the joint capable of inversion/eversion.
Prosthetic Hand, Nicholas Damiani, Eric Rassavong, John Zolton
Prosthetic Hand, Nicholas Damiani, Eric Rassavong, John Zolton
Williams Honors College, Honors Research Projects
Development of a prosthetic hand for an above-the-wrist amputee. The hand will provide flexion and extension of the wrist, fingers and thumb. The device will be customized for each individual by utilizing an medical imaging of the amputation side stump and the normal arm/wrist as the input. An integral hand/wrist and socket will be 3D printed, and actuators will be mounted to the prosthetic to provide motion. The wrist will be a mirror-image of the normal hand. Materials utilized will be selected based on the medical image intensity for different tissue types (cartilage, bone, skin, fat, etc.) and will simulate …
Expression Systems For Synthetic Spider Silk Protein Production, Michaela R. Hugie
Expression Systems For Synthetic Spider Silk Protein Production, Michaela R. Hugie
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Spider silk is a biodegradable and biocompatible natural material that is stronger than steel and more elastic than nylon. These properties make spider silk a desirable material for many commercial products, ranging from textiles to biomedical materials. Due to spiders’ cannibalistic and territorial nature it is impossible to farm them to produce spider silk at a high enough yield to meet product demands. Therefore, a bioengineered synthetic process is necessary to produce spider silk. Synthetic spider silk has been produced in bacteria, goats, yeast, plants, mammalian cells and silkworms, but none of these processes provided a commercially viable yield or …
Adipose Tissue Engineering: A Therapeutic Strategy For The Treatment Of Obesity And Glucose Intolerance, Michael A. Hendley
Adipose Tissue Engineering: A Therapeutic Strategy For The Treatment Of Obesity And Glucose Intolerance, Michael A. Hendley
Theses and Dissertations
Despite available treatment options, the number of people afflicted by type 2 diabetes has steadily risen for decades. Nearly 90% of the diabetic population also suffers from obesity and the link between the two diseases is undeniable. Characterized by rapid expansion of the adipose tissue and improper lipid storage, the mishandling of lipids by adipose tissue promotes the diabetic state. Excess lipids, unable to be properly stored, build up in peripheral tissues promoting insulin resistance and type 2 diabetes. Therapeutic strategies designed to address adipose tissue lipid handling could represent a promising treatment strategy for obesity associated type 2 diabetes. …
Design, Construction And Application Of A Home-Built, Two-Photon Microscope, William P. Breeding
Design, Construction And Application Of A Home-Built, Two-Photon Microscope, William P. Breeding
Electronic Theses and Dissertations
Two-photon microscopy (TPM) is a powerful, versatile imaging modality for the study of biological systems. This thesis overviews the relevant physics involved in TPM, design considerations and process of constructing a home-built, two-photon microscope, and provides a set of procedures to operate the system. Furthermore, this work explores several applications of TPM through the study of single-cell metabolism and imaging the cellular-material interface. Explored in particular depth was the imaging of cellulose nanofiber (CNF) materials, with the goal of understanding the three-dimensional nature of fibroblast cell growth when embedded within the materials. This work uncovered several optical properties of CNF, …
On-Demand Label Production, Robert A. Zimmerman
On-Demand Label Production, Robert A. Zimmerman
Master's Theses
The production and approval process for the various labels used in clinical trials wastes significant time and resources through the need to outsource label production or rely on large reams of pre-cut label stock for each revision throughout the process. An in-house, on-demand label printing and cutting system is a potential remedy to this waste. Previous work by Cheadle et al. resulted in a functional electomechanical prototype of the label cutting aspect of this research, capable of rudimentary linear cuts. In this continued research, emphasis was placed on improved label cutting capabilities and creating PC control software for label design. …
Chondroitin Sulfate Hydrogels For Total Wound Care Devices, Tushar Goswami
Chondroitin Sulfate Hydrogels For Total Wound Care Devices, Tushar Goswami
Browse all Theses and Dissertations
Chondroitin sulfate (CS) is a naturally occurring bio-polymer found in areas of high cartilage in mammals. In directed applications, such as hydrogels, CS can be used to impact keratinocyte growth cycles. In this work, CS based hydrogels were utilized to accelerate wound healing and, in conjunction with a graphene sensor, monitor wound fluid pH. The hydrogels were cast onto a graphene field effect transistor (GFET) to obtain the benefits of the hydrogel wound healing capabilities, while also utilizing the pH sensitivity of the graphene. Results showed that the hydrogel caused a fivefold increase in cell size over the course of …
Development And Exploration Of A Z-Shaped Foot And Ankle Internal Fixation Plate, Rhaz Shaghaghi Paul, Ian Hames, Sean Rich
Development And Exploration Of A Z-Shaped Foot And Ankle Internal Fixation Plate, Rhaz Shaghaghi Paul, Ian Hames, Sean Rich
Williams Honors College, Honors Research Projects
This paper will detail the design process of developing a Z-shaped foot and ankle internal fixation plating system. Group 6: Plates for the Sole was made up of 5 team members, who worked together to accommodate their client’s request to complete a biomechanical analysis of a Z-Plate design and a construct a prototype. The Z-Plate’s purpose is to provide podiatrists with a new solution that can fit nicely on the small, irregular bones of the foot, while also remaining strong enough to withstand the forces and torques of the foot.
Project "Auxilia" - Jaiden's Prosthetic Arm, Christopher Halley, Lindsay Jaros, Autumn Young
Project "Auxilia" - Jaiden's Prosthetic Arm, Christopher Halley, Lindsay Jaros, Autumn Young
Williams Honors College, Honors Research Projects
The main objective of this project was to create a prosthetic arm for a 15 year old boy named Jaiden Foden. Jaiden was born with only one fully developed limb as a result of a genetic disorder, Hanhart Syndrome II. His right arm becomes a residual limb below the elbow, but has two fingers which act in a “claw-like” movement. Jaiden’s left arm becomes a residual limb above the elbow, and his left leg becomes a residual limb above the knee. The goal of the arm was to increase Jaiden’s overall independence and to help in completing daily tasks, such …
Easy Adjustable Protective Helmet, Ryan Balash
Easy Adjustable Protective Helmet, Ryan Balash
Williams Honors College, Honors Research Projects
Akron Children’s Hospital and The University of Akron’s Biomedical Engineering Design Team Engineering Forward have paired together to improve medical adapted helmets for post-operative and disabled patients. An issue is the helmets are only produced in a couple of sizes. Also, it is a tedious process to constantly adjust the pressure on the patient’s cranium within a trial-and-error process. Engineering Forward plans to improve the effectiveness of this helmet by creating an adjustable helmet that can read the pressure on a patient’s head. The caregiver can then make the necessary adjustments to the helmet to accommodate the patient. Documents of …