Publications

System and method of monitoring respiratory parameters

Dieffenderfer J, Brown M, Johnson L, Muth J

US Patent US10893825B2, January 2021

North Carolina State University, assignee.

Systems and methods for evaluating and mitigating problem behavior by detecting precursors

Sarkar N, Zheng Z, Weitlauf A, Staubitz J, Warren Z, Dieffenderfer J

US Patent Application US20230000423A1, January 2023

North Carolina State University and Vanderbilt University, assignee.

Systems and methods for determining sleep patterns and circadian rhythms

Bozkurt A, Dieffenderfer J

US Patent US10368798B2, August 2019

North Carolina State University, assignee.

A Novel Monolithic MEMS Array for E-Nose Applications

Zhou Y, Dieffenderfer J, Aleem M, Lee B, Misra V

IEEE Sensors Letters, January 2024, 8(2):1-4

Performance of a monolithic e-nose array integrating MEMS and ALD processing

Zhou Y, Dieffenderfer J, Sennik E, Aleem M, Vasisht S, Oralkan O, Lee B, Misra V

2023 IEEE SENSORS, October 2023, pp. 1-4

Microsystems for Measuring Oxygen Using Tissue Integrated Phosphorescence-Based Soft Sensors

Rivera K, Pozdin V, Dieffenderfer J, Wisniewski N, Bozkurt A, Daniele M

Optical Sensors, June 2019

A wearable wrist-band with compressive sensing based ultra-low power photoplethysmography readout circuit

Ahmmed P, Dieffenderfer J, Valero-Sarmiento JM, Pamula VR, Helleputte NV, Hoof CV, Verhelst M, Bozkurt A

2019 IEEE 16th International Conference on Wearable and Implantable Body Sensor Networks (BSN), May 2019, pp. 1-4

Toward and integrated microfluidic-microsensor patch for analysis of dermal fluids

Yokus M, Pozdin V, Young A, Dieffenderfer J, Songkakul T, Bozkurt A, Daniele M

Abstracts of Papers of the American Chemical Society, August 2018, 256

Modular design for epidermal temperature sensing

Pozdin V, Dieffenderfer J, Williams E, Sotory P, Yokus M, Bozkurt A, Daniele M

2017 IEEE SENSORS, October 2017, pp. 1-3

Nanocellulose electrodes for interfacing plant electrochemistry

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

2016 IEEE SENSORS, October 2016, pp. 1-3

Towards a sweat-based wireless and wearable electrochemical sensor

Dieffenderfer J, Wilkins M, Hood C, Beppler E, Daniele M, Bozkurt A

2016 IEEE Sensors, October 2016, pp. 1-3

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

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

2016 IEEE SENSORS, October 2016, pp. 1-3

Microfabricated impedance sensors for concurrent tactile, biopotential, and wetness detection

Lin F, McKnight M, Dieffenderfer J, Whitmire E, Ghosh T, Bozkurt A

SENSORS, 2014 IEEE, November 2014, pp. 1312-1315

Wearable Wireless Functional Near-Infrared Spectroscopy System for Cognitive Activity Monitoring

Victorio M, Dieffenderfer J, Songkakul T, Willeke J, Bozkurt A, Pozdin VA

Biosensors (Basel), February 2025, 15(2). doi: 10.3390/bios15020092

PubMed PMID: 39996994; PubMed Central PMCID: PMC11853267

Preclinical Evaluation of a Wearable Wristband With Compressed-Sensing Based Photoplethysmography

Ahmmed P, Garceau E, Latif T, Brewer A, Dieffenderfer J, Valero-Sarmiento JM, Pamula VR, Van Helleputte N, Van Hoof C, Verhelst M, Bozkurt A

IEEE Trans Biomed Eng, May 2025, 72(5):1596-1604. doi: 10.1109/TBME.2024.3513462

PubMed PMID: 40030433; PubMed Central PMCID: PMC12014369

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

Dieffenderfer J, Brewer A, Noonan MA, Smith M, Eichenlaub E, Haley KL, Jacks A, Lobaton E, Neupert SD, Hess TM, Franz JR, Ghosh SK, Misra V, Bozkurt A

Annu Int Conf IEEE Eng Med Biol Soc, July 2023, pp. 1-6. doi: 10.1109/EMBC40787.2023.10339986

PubMed PMID: 38082824

Towards Wearable Health Monitoring Devices

Pozdin VA, Dieffenderfer J

Biosensors (Basel), May 2022, 12(5). doi: 10.3390/bios12050322

PubMed PMID: 35624623; PubMed Central PMCID: PMC9138552

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

Latif T, Dieffenderfer J, Tanneeru A, Lee B, Misra V, Bozkurt A

2021 IEEE Sensors, October 2021, pp. 1-4

An Ultra-miniaturized Near Infrared Spectroscopy System to Assess Sleep Apnea in Children with Down Syndrome

Beppler EC, Dieffenderfer J, Songkakul T, Krystal A, Bozkurt A

Annu Int Conf IEEE Eng Med Biol Soc, July 2018, pp. 2877-2880. doi: 10.1109/EMBC.2018.8513038

PubMed PMID: 30441002

Accelerometer based Active Snore Detection for Behavioral Modification

Beppler E, Dieffenderfer J, Hood C, Bozkurt A

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), July 2018, pp. 2881-2884

Functional Near-Infrared Spectroscopy for Improvement and Automation of Hypnogram Generation

Dieffenderfer J

PhD Dissertation, North Carolina State University, August 2017

Shedding light to sleep studies

Dieffenderfer J, Krystal A, Bozkurt A

Biosensing and Nanomedicine X, August 2017, 10352:72-78

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

Dieffenderfer J, Goodell H, Mills S, McKnight M, Yao S, Lin F, Beppler E, Bent B, Lee B, Misra V, Zhu Y, Oralkan O, Strohmaier J, Muth J, Peden D, Bozkurt A

IEEE J Biomed Health Inform, September 2016, 20(5):1251-1264. doi: 10.1109/JBHI.2016.2573286

PubMed PMID: 27249840; PubMed Central PMCID: PMC5124429

Wearable heart rate sensor systems for wireless canine health monitoring

Brugarolas R, Latif T, Dieffenderfer J, Walker K, Yuschak S, Sherman BL, Roberts DL, Bozkurt A

IEEE Sensors Journal, October 2015, 16(10):3454-3464

Wearable wireless sensors for chronic respiratory disease monitoring

Dieffenderfer J, Goodell H, Bent B, Beppler E, Jayakumar R, Yokus M, Jur J, Bozkurt A, Peden D

2015 IEEE 12th International Conference on Wearable and Implantable Body Sensor Networks (BSN), June 2015, pp. 1-6

Wearable wireless biophotonic and biopotential sensors for canine health monitoring

Brugarolas R, Dieffenderfer J, Walker K, Wagner A, Sherman B, Roberts D, Bozkurt A

SENSORS, 2014 IEEE, November 2014, pp. 2203-2206

Solar powered wrist worn acquisition system for continuous photoplethysmogram monitoring

Dieffenderfer JP, Beppler E, Novak T, Whitmire E, Jayakumar R, Randall C, Qu W, Rajagopalan R, Bozkurt A

Annu Int Conf IEEE Eng Med Biol Soc, 2014, pp. 3142-5. doi: 10.1109/EMBC.2014.6944289

PubMed PMID: 25570657

Towards a smart bandage with functional near infrared spectroscopy capability

Dieffenderfer J, Bair M, Bozkurt A

2013 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems, January 2013, pp. 13-15

Wearable solutions: Design, durability, and electrical performance of snap connectors and integrating them into textiles using interconnects

Ugale P, Lingampally S, Dieffenderfer J, Suh M

Textiles, July 2024, 4(3):328-343

From ideation to deployment: A narrative case study of citizen science supported wearables for raising guide dogs

Holder T, Williams E, Martin D, Kligerman A, Summer E, Cleghern Z, Dieffenderfer J, Russenberger J, Roberts D, Bozkurt A

Proceedings of the Eight International Conference on Animal-Computer Interaction, November 2021, pp. 1-13

A System for Assessment of Canine-Human Interaction during Animal-Assisted Therapies

Foster M, Beppler E, Holder T, Dieffenderfer J, Erb P, Everette K, Gruen M, Somers T, Evans T, Daniele M, Roberts DL, Bozkurt A

Annu Int Conf IEEE Eng Med Biol Soc, July 2018, pp. 4347-4350. doi: 10.1109/EMBC.2018.8513384

PubMed PMID: 30441316

The viability of conductive medical epoxy as an implantable electrode material

Reynolds J, Valero-Sarmiento JM, Dieffenderfer J, Bozkurt A

2017 IEEE SENSORS, October 2017, pp. 1-3

Social facilitation of insect reproduction with motor-driven tactile stimuli

Uzsák A, Dieffenderfer J, Bozkurt A, Schal C

Proc Biol Sci, May 2014, 281(1783):20140325. doi: 10.1098/rspb.2014.0325

PubMed PMID: 24695432; PubMed Central PMCID: PMC3996620

An exploration of machine learning methods for gait analysis of potential guide dogs

Wu Y, Nichols C, Foster M, Martin D, Dieffenderfer J, Enomoto M, Lascelles B, Russenberger J, Brenninkmeyer G, Bozkurt A, Roberts D

Proceedings of the Tenth International Conference on Animal-Computer Interaction, December 2023, pp. 1-15

Wearable Cyberphysical Systems for Biomedicine

Latif T, Dieffenderfer J, Silva R, Lobaton E, Bozkurt A

Encyclopedia of Sensors and Biosensors, Elsevier, 2022, pp. 63-85

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

Ring B, Burbank AJ, Mills K, Ivins S, Dieffenderfer J, Hernandez ML

J Asthma, April 2021, 58(4):497-504. doi: 10.1080/02770903.2019.1702201

PubMed PMID: 31810411; PubMed Central PMCID: PMC7282988

Preliminary Assessment of Human Biological Responses to Low-level Ozone

Latif T, Gonzalez L, Dieffenderfer J, Liao Y, Hernandez M, Misra V, Lobaton E, Bozkurt A

2020 IEEE SENSORS, October 2020, pp. 1-4

Validation of the VitalFlo Portable Spirometer in Adolescents with Asthma

Hernandez M, Mills K, Ivins S, Ring B, Sims M, Marshall L, Dieffenderfer J, Burbank A

Clinical Asthma: Assessment and Treatment, May 2019

Accelerometer based Active Snore Detection for Behavioral Modification

Beppler EC, Dieffenderfer JP, Hood CD, Bozkurt A

Annu Int Conf IEEE Eng Med Biol Soc, July 2018, pp. 2881-2884. doi: 10.1109/EMBC.2018.8512941

PubMed PMID: 30441003