James Paul Dieffenderfer

Works (15)

Updated: March 19th, 2024 05:03

2024 journal article

A Novel Monolithic MEMS Array for E-Nose Applications

IEEE SENSORS LETTERS, 8(2).

By: Y. Zhou  n, J. Dieffenderfer n, M. Aleem n, B. Lee* & V. Misra n 

author keywords: Sensor arrays; Sensitivity; Heating systems; Temperature sensors; Temperature measurement; Sensor phenomena and characterization; Sensor systems; Sensor phenomena; sensor materials; sensor signal processing; sensor systems
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 2, 2024

2023 article

A Wearable System for Continuous Monitoring and Assessment of Speech, Gait, and Cognitive Decline for Early Diagnosis of ADRD

2023 45TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY, EMBC.

By: J. Dieffenderfer n, A. Brewer n, M. Noonan n, M. Smith n, E. Eichenlaub*, K. Haley *, A. Jacks *, E. Lobaton n  ...

TL;DR: This paper presents a low cost and low power wearable system custom designed to track the trends in speech, gait, and cognitive stress while also considering the important human factor needs such as privacy and compliance. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: February 26, 2024

2023 article

An Exploration of Machine Learning Methods for Gait Analysis of Potential Guide Dogs

TENTH INTERNATIONAL CONFERENCE ON ANIMAL-COMPUTER INTERACTION, ACI 2023.

By: Y. Wu n, C. Nichols n, M. Foster n , D. Martin n, J. Dieffenderfer n, M. Enomoto n , B. Lascelles  n, J. Russenberger ...

author keywords: Guide Dog; Canine Behavior Analysis; Canine Gait Analysis; IMU; Machine Learning
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 22, 2024

2022 article

Towards Wearable Health Monitoring DevicesY

Pozdin, V. A., & Dieffenderfer, J. (2022, May). BIOSENSORS-BASEL, Vol. 12.

By: V. Pozdin* & J. Dieffenderfer n

MeSH headings : Humans; Wearable Electronic Devices
Source: Web Of Science
Added: June 13, 2022

2021 article

Evaluation of Environmental Enclosures for Effective Ambient Ozone Sensing in Wrist-worn Health and Exposure Trackers

2021 IEEE SENSORS.

By: T. Latif n, J. Dieffenderfer n, A. Tanneeru n , B. Lee n, V. Misra n  & A. Bozkurt n

author keywords: asthma; environmental sensing; ozone exposure; ozone sensor; wearables
TL;DR: Openings along the sidewall of the wrist-worn device covered with commercially available expanded polytetrafluoroethylene-based membranes to provide the required air flow while ensuring resistance to water are studied. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: February 28, 2022

2021 journal article

Validation of an app-based portable spirometer in adolescents with asthma

JOURNAL OF ASTHMA, 58(4), 497–504.

By: B. Ring*, A. Burbank *, K. Mills*, S. Ivins*, J. Dieffenderfer n & M. Hernandez *

author keywords: Asthma; bronchial diseases; respiratory tract disease; obstructive lung diseases; respiratory hypersensitivity; immediate hypersensitivity; control; adolescent; NCT02671643; NCT02662413
MeSH headings : Adolescent; Asthma / physiopathology; Child; Female; Humans; Male; Mobile Applications; Monitoring, Ambulatory / instrumentation; Monitoring, Ambulatory / standards; Self-Management; Sensitivity and Specificity; Spirometry / instrumentation; Spirometry / standards
TL;DR: Lung function measurements from the VitalFlo mobile spirometer were comparable to a commercially-available spirometer commonly used in clinical settings and has the potential to improve asthma self-management. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: December 30, 2019

2016 journal article

Low-Power Wearable Systems for Continuous Monitoring of Environment and Health for Chronic Respiratory Disease

IEEE Journal of Biomedical and Health Informatics, 20(5), 1251–1264.

By: J. Dieffenderfer n, H. Goodell n, S. Mills n, M. McKnight n, S. Yao n, F. Lin n, E. Beppler n, B. Bent  n ...

author keywords: Environmental and physiological sensing; wearable asthma monitoring
MeSH headings : Asthma / diagnosis; Chronic Disease; Electric Impedance; Electrocardiography; Equipment Design; Humans; Monitoring, Ambulatory / instrumentation; Monitoring, Ambulatory / methods; Photoplethysmography; Skin / physiopathology; Spirometry
TL;DR: The preliminary efforts to achieve a submilliwatt system ultimately powered by the energy harvested from thermal radiation and motion of the body are described with the primary contributions being an ultralow-power ozone sensor, an volatile organic compounds sensor, spirometer, and the integration of these and other sensors in a multimodal sensing platform. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018

2016 conference paper

Nanocellulose electrodes for interfacing plant electrochemistry

2016 ieee sensors.

By: K. Keller, M. Wilkins, J. Reynolds , J. Dieffenderfer, C. Hood, M. Daniele, A. Bozkurt, M. Tunc-Ozdemir

Source: NC State University Libraries
Added: August 6, 2018

2016 conference paper

Room temperature sensing of VOCS by atomic layer deposition of metal oxide

2016 ieee sensors.

By: A. Tanneeru n , S. Mills n, M. Lim n, M. Mahmud n, J. Dieffenderfer n, A. Bozkurt n, T. Nagle  n, B. Lee n, V. Misra n 

Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 conference paper

Towards a sweat-based wireless and wearable electrochemical sensor

2016 ieee sensors.

By: J. Dieffenderfer, M. Wilkins, C. Hood, E. Beppler, M. Daniele & A. Bozkurt

Source: NC State University Libraries
Added: August 6, 2018

2016 article

Wearable Heart Rate Sensor Systems for Wireless Canine Health Monitoring

Brugarolas, R., Latif, T., Dieffenderfer, J., Walker, K., Yuschak, S., Sherman, B. L., … Bozkurt, A. (2016, May 15). IEEE SENSORS JOURNAL, Vol. 16, pp. 3454–3464.

By: R. Brugarolas n, T. Latif n, J. Dieffenderfer n, K. Walker  n, S. Yuschak n, B. Sherman n, D. Roberts n, A. Bozkurt n

author keywords: Computer applications; inertial measurement unit; animal machine interface; physiology
TL;DR: A non-invasive wearable sensor system combining electrocardiogram (ECG), photoplethysmogram (PPG), and inertial measurement units (IMU) to remotely and continuously monitor the vital signs of dogs is presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2015 conference paper

Wearable wireless sensors for chronic respiratory disease monitoring

2015 IEEE 12th International Conference on Wearable and Implantable Body Sensor Networks (BSN).

By: J. Dieffenderfer n, H. Goodell n, B. Bent  n, E. Beppler n, R. Jayakumar n, M. Yokus n, J. Jur n, A. Bozkurt n, D. Peden *

TL;DR: A wearable sensor system consisting of a wristband and chest patch to enable the correlation of individual environmental exposure to health response for understanding impacts of ozone on chronic asthma conditions is presented. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2014 journal article

Social facilitation of insect reproduction with motor-driven tactile stimuli

Proceedings of the Royal Society B: Biological Sciences, 281(1783), 20140325.

By: A. Uzsák n, J. Dieffenderfer n, A. Bozkurt n & C. Schal n 

author keywords: social facilitation; tactile stimuli; reproduction
MeSH headings : Animals; Arthropod Antennae / physiology; Blattellidae / physiology; Female; Mechanoreceptors / physiology; Motor Activity; Reproduction; Social Facilitation; Touch
TL;DR: The results indicate that tactile stimulation with artificial materials, some deviating significantly from the native antennal morphology, can facilitate female reproduction, however, none of the artificial stimuli matched the effects of social interactions with a conspecific female. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018

2014 conference paper

Solar powered wrist worn acquisition system for continuous photoplethysmogram monitoring

2014 36th annual international conference of the ieee engineering in medicine and biology society (embc), 3142–3145.

By: J. Dieffenderfer n, E. Beppler n, T. Novak n, E. Whitmire n, R. Jayakumar n, C. Randall *, W. Qu *, R. Rajagopalan*, A. Bozkurt n

MeSH headings : Cell Phone; Electric Power Supplies; Hemoglobins / metabolism; Humans; Monitoring, Physiologic / instrumentation; Oxygen; Photoplethysmography / instrumentation; Radial Artery; Wrist / physiology
TL;DR: The capability to produce photoplethysmogram (PPG) signals using this platform, a solar-powered, wireless, wrist-worn platform for continuous monitoring of physiological and environmental parameters during the activities of daily life, is demonstrated. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2013 conference paper

Towards a smart bandage with functional near infrared spectroscopy capability

Ieee topical conference on biomedical wireless technologies networks and, 13–15.

By: J. Dieffenderfer n, M. Bair n & A. Bozkurt n

TL;DR: A smart bandage with incorporated miniaturized wireless functional near infrared spectroscopy system as a sensor node for wearable body area networks and successfully transmit deoxygenation of forearm muscle tissue during pressure cuff induced ischemia through an established Bluetooth link. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

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