BioMed Engineering Research
Recent Submissions
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Wheelchair-mounted upper limb robotic exoskeleton with adaptive controller for activities of daily living
(MDPI, 2021-08-26)Neuro-muscular disorders and diseases such as cerebral palsy and Duchenne Muscular Dystrophy can severely limit a person’s ability to perform activities of daily living (ADL). Exoskeletons can provide an active or passive ... -
Cervical spine musculotendon lengths when reading a tablet in three seated positions
(Human Kinetics, 2021-04-01)A popular posture for using wireless technology is reclined sitting, with the trunk rotated posteriorly to the hips. This position decreases the head’s gravitational moment; however, the head angle relative to the trunk ... -
Detection of dissolved CO2 gas using an open-circuit resonator
(Wichita State University, 2021-04-02)Exposure to higher than normal levels of carbon dioxide (CO2) gas increases its concentration in the blood, which can impair cognitive function and cause adverse physical effects. This is especially a concern in aerospace ... -
S.E.L.E.N.E: System Engineered for Lunar Environment, Navigation, and Exploration
(Wichita State University, 2021-04-02)Augmented Reality (AR) display technologies utilize computer-generated virtualized content to enhance the observer's perception of the physical environment. This NASA SUITS (Spacesuit User Interface Technologies for Students) ... -
The long-term effects of daily smartphone usage on cervical spine kinematics
(Wichita State University, 2021-04-02)INTRODUCTION: It is evident that in today's technologically run world, the majority of individuals own and interact with a smartphone throughout their daily lives. This constant interaction poses significant risks to a ... -
Brain-computer interface to control a 6 DOF robotic arm
(Wichita State University, 2021-04-02)In this study, a brain-computer interface (BCI) system is developed to control a six degrees of freedom robot arm. Such interface systems have a potential application in space missions for astronauts to have supplemental ... -
Enhancing the performance of elastomer actuators through the approach of distributed electrode array with fractal interconnects architecture
(Wichita State University, 2021-04-02)Dielectric elastomer actuators are flexible and stretchable transducers which are known to achieve large displacements at high speeds and require low power for operation with applications in microrobotics, portable ... -
Improving fluid retention properties of 316L stainless steel using nanosecond pulsed laser surface texturing
(Laser Institute of America, 2020-11)stainless steel has been used as a successful biomaterial for decades. In this study, a pulsed nanosecond laser was used to create patterned surfaces of stainless steel coupons to study the effect of patterning on fluid ... -
Investigating the effect of photoinitiator concentration and curing time on soybean - Polyethylene glycol resins
(Society of Plastics Engineers, 2020)Bioprinting, a subset of additive manufacturing, utilizes bioinks, which is a combination of biomaterials and live cells, to produce functional tissue. Soybean oil is a plant polymer with promising biomaterial properties ... -
Development of flexible ion-selective electrodes for saliva sodium detection
(MDPI, 2021-03)Saliva can be used for health monitoring with non-invasive wearable systems. Such devices, including electrochemical sensors, may provide a safe, fast, and cost-efficient way of detecting target ions. Although salivary ... -
All-in-one, wireless, fully flexible sodium sensor system with integrated Au/CNT/Au nanocomposites
(Elsevier, 2021-03-15)Advancements in functional nanomaterials and wearable electronics have demonstrated the use of solid-state ion-selective electrodes (SS-ISEs) for human health applications. Existing devices, however, still rely on separate ... -
A comparison of classification techniques to predict brain-computer interfaces accuracy using classifier-based latency estimation
(MDPI AG, 2020-10-14)P300-based Brain-Computer Interface (BCI) performance is vulnerable to latency jitter. To investigate the role of latency jitter on BCI system performance, we proposed the classifier-based latency estimation (CBLE) method. ... -
Shoulder kinematics assessment towards exoskeleton development
(MDPI AG, 2020-08-11)Neuromuscular and sensorimotor degeneration caused by stroke or any other disease significantly reduce the physical, cognitive, and social well-being across the life span. Mostly, therapeutic interventions are employed in ... -
Investigating TiO2–HA–PCL hybrid coating as an efficient corrosion resistant barrier of ZM21 Mg alloy
(Elsevier, 2020-10-01)Surface modification for improving corrosion resistance of Mg alloys is highly demanded for degradable orthopedic and cardiovascular devices. The research reports the design and development of TiO2[sbnd]HA composite and ... -
Wireless, flexible, ion-selective electrode system for selective and repeatable detection of sodium
(MDPI AG, 2020-06-10)Wireless, flexible, ion-selective electrodes (ISEs) are of great interest in the development of wearable health monitors and clinical systems. Existing film-based electrochemical sensors, however, still have practical ... -
Investigation of the effect of fatigue on the change in postural control stategies using surface EMG and Biodex Balance System
(Wichita State University, 2020-05-01)INTRODUCTION: Balance allows maintenance of normal body posture and counteraction of opposing forces with or without physical activity. During static standing, hip and ankle balance strategies are utilized. Small perturbations ... -
Flexible electronics for skin wearable pH sensor
(Wichita State University, 2020-05-01)INTRODUCTION: Recent advances in soft, flexible, hybrid electronics allow to develop a novel wearable platform for direct sweat collection and analysis in real-time. The unobtrusive and mechanically compliant system can ... -
Soft, wireless periocular wearable electronics for real-time detection of eye vergence in a virtual reality toward mobile eye therapies
(American Association for the Advancement of Science, 2020-03-13)Recent advancements in electronic packaging and image processing techniques have opened the possibility for optics-based portable eye tracking approaches, but technical and safety hurdles limit safe implementation toward ... -
Investigating the effect of temperature and frequency on dielectric properties of polyvinylidene fluoride (PVDF) for its application in a skin temperature sensor
(Society of Plastics Engineers, 2019-03)Monitoring physiological parameters of crew on spaceflight missions is of upmost importance for long term microgravity expeditions. Body temperature is one particularly important parameter, as changes in thermoregulation ... -
Human-centered deep learning neural network trained myoelectric controller for a powered wheelchair
(IEEE, 2019-09)The powered wheelchair is one of the most widely used devices that assists users in activities of daily living. Although powered wheelchairs have improved the quality of life for most people, some users with certain ...
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