Marcel Młyńczak
Ph.D. · Biomedical Engineer · Data Scientist · Entrepreneur
About
Fields of interest and skills
- Physiological measurements
- Cardiorespiratory activity
- Impedance pneumography
- Sports medicine
- Sleep medicine
- Data science & Machine learning
- Statistics
- Signal and image processing
- Causality
- Advanced knowledge of R, MATLAB, Python and Latex programming
- Coursera, Data Science Specialization (December 2014 - August 2015, with distinction)
- Soft Skills and cooperation with the economy (University of Alberta, Edmonton, Canada, 2015)
Bibliometry
(last update: 28th September 2021)- h-index: 10 (Google Scholar)
- Sum of the Times Cited: 305 (Google Scholar)
- Sum of JCR papers impact factors: 69.982
Current engagements
Research and Teaching Assistant Professor
Warsaw University of Technology, Faculty of Mechatronics, Poland
Research on medical-oriented problems, teaching, diploma theses
From April 2018
Board Member, Chief Technology Officer
OASIS Diagnostics S.A., Poland
The medical device that helps detecting and properly diagnosing obstetrical anal sphincter injury syndrome just after vaginal delivery
Project cofinanced by Polish National Centre for Research and Development (NCBR): Detection of obstetric anal sphincter injuries (OASIS) using impedance spectrometry with the ONIRY Probe
From December 2017
Co-founder, Chief Technology Officer
Clebre Sp. z o.o., Poland
The project of wireless sensor and mobile app to diagnose sleep breathing quality at home
Project cofinanced by Polish National Centre for Research and Development (NCBR): Wireless sensor and telemedical system for the diagnosis of sleep disordered breathing
From October 2015
Collaborations
- Stanford University, School of Medicine, Otolaryngology Department
- National Centre for Sports Medicine in Warsaw, Poland
- Modular Analog Research Station (M.A.R.S.), Poland
Education
Doctoral studies
Warsaw University of Technology, Faculty of Mechatronics
Electroimpedance method for quantitative assessment of respiratory system activity
October 2014 - January 2018
with honors
Ph.D. defense slides
Master studies
Warsaw University of Technology, Faculty of Mechatronics
Pneumotachometric verification of respiratory parameters derived from impedance pneumography
February 2013 - June 2014
with honors
Bachelor studies
Warsaw University of Technology, Faculty of Mechatronics
Development and execution of a rheograph allowing detection of the breathing phase
October 2009 - January 2013
with honors
Journal papers and chapters
- M. Młyńczak, H. Krysztofiak
Respiratory Activity during Exercise: A Feasibility Study on Transition Point Estimation Using Impedance Pneumography
MDPI Sensors 2021 (Impact Factor = 3.576; Open Access; DOI: 10.3390/s21186233)
Publisher website, Full-text and .bib file - J. Krzywański, T. Mikulski, H. Krysztofiak, A. Pokrywka, M. Młyńczak, Ł.A. Małek, D. Kwiatkowska, E. Kuchar
Elite athletes with COVID-19 — Predictors of the course of disease
Journal of Science and Medicine in Sport 2021 (Impact Factor = 4.319; Open Access; DOI: 10.1016/j.jsams.2021.07.003)
Publisher website, Full-text (in press, as of 17th of August 2021) and .bib file - M. Młyńczak
Physiological Measurements of Cardio-Respiratory Activity with Impedance Pneumography
Chapter (10) in the book "Bioimpedance and Spectroscopy" (1st Edition, 2021) Edited by Dr. Paul Annus and Prof. Mart Min (Elsevier, ISBN: 9780128186145, eISBN: 9780128197004)
Publisher website - R.G. Kashani, M. Młyńczak, D. Zarabanda, P. Solis-Pazmino, D.M. Huland, I.N. Ahmad, S.P. Singh, T.A. Valdez
Shortwave infrared otoscopy for diagnosis of middle ear effusions: a machine-learning-based approach
Scientific Reports 2021 (Impact Factor = 4.1; Open Access; DOI: 10.1038/s41598-021-91736-9)
Publisher website, Full-text and .bib file - M. Młyńczak, T.A. Valdez, W. Kukwa
Comparing sleep studies in terms of the apnea-hypopnea index using the dedicated Shiny web application
Biomedical Signal Processing and Control 2021 (Impact Factor = 3.137; DOI: 10.1016/j.bspc.2021.1026147)
Publisher website, .bib file and a ArXiV pre-print - M. Młyńczak, M. Rosoł, A. Spinelli, A. Dziki, E. Wlaźlak, G. Surkont, M. Krzycka, P. Pająk, Ł. Dziki, M. Mik, K. Borycka-Kiciak
Obstetric Anal Sphincter Injury Detection Using Impedance Spectroscopy with the ONIRY Probe
MDPI Applied Sciences 2021 (Impact Factor = 2.474; Open Access; DOI: 10.3390/app11020637)
Publisher website, Full-text and .bib file - B. Hoffmann, A.A. Flatt, L.E.V. Silva, M. Młyńczak, R. Baranowski, E. Dziedzic, B. Werner, J.S. Gąsior
A Pilot Study of the Reliability and Agreement of Heart Rate, Respiratory Rate and Short-Term Heart Rate Variability in Elite Modern Pentathlon Athletes
MDPI Diagnostics 2020 (Impact Factor = 3.110; Open Access; DOI: 10.3390/diagnostics10100833)
Publisher website, Full-text and .bib file - M. Młyńczak, T.A. Valdez, W. Kukwa
Joint Apnea and Body Position Analysis for Home Sleep Studies Using a Wireless Audio and Motion Sensor
IEEE Access 2020 (Impact Factor = 3.745; Open Access; DOI: 10.1109/ACCESS.2020.3024122)
Publisher website, Full-text and .bib file - H. Krysztofiak, M. Młyńczak, Ł. A. Małek, A. Folga, W. Braksator
Left ventricular mass normalization in child and adolescent athletes must account for sex differences
PLOS One 2020 (Impact Factor = 2.740; Open Access; DOI: 10.1371/journal.pone.0236632)
Publisher website, Full-text and .bib file - J. Krzywański, A. Pokrywka, M. Młyńczak, T. Mikulski
Is vitamin D status reflected by testosterone concentration in elite athletes?
Biology of Sport (Impact Factor = 2.202; Open Access; DOI: 10.5114/biolsport.2020.95633)
Publisher website, Full-text and .bib file - J. Krzywański, T. Mikulski, A. Pokrywka, M. Młyńczak, H. Krysztofiak, B. Frączek, A. Ziemba
Vitamin B12 Status and Optimal Range for Hemoglobin Formation in Elite Athletes
MDPI Nutrients (Impact Factor = 4.546; Open Access; DOI: 10.3390/nu12041038)
Publisher website, Full-text and .bib file - J. Krzywański, E. Kuchar, A. Pokrywka, T. Mikulski, I. Pilchowska, M. Młyńczak, H. Krysztofiak, J. Jurczyk, A. Ziemba, A. Nitsch-Osuch
Safety and Impact on Training of the Influenza Vaccines in Elite Athletes Participating in the Rio 2016 Olympics
Clinical Journal of Sport Medicine 2020 (Impact Factor = 2.224; DOI: 10.1097/JSM.0000000000000808)
Publisher website and .bib file - H. Krysztofiak, M. Młyńczak, Ł. A. Małek, A. Folga, W. Braksator
Left ventricular mass normalization for body size in children based on an allometrically adjusted ratio is as accurate as normalization based on the centile curves method
PLOS One 2019 (Impact Factor = 2.766; Open Access; DOI: 10.1371/journal.pone.0225287)
Publisher website, Full-text and .bib file - H. Krysztofiak, M. Młyńczak, Ł. A. Małek, A. Folga, W. Braksator
Left ventricular mass is underestimated in overweight children because of incorrect body size variable chosen for normalization
PLOS One 2019 (Impact Factor = 2.766; Open Access; DOI: 10.1371/journal.pone.0217637)
Publisher website, Full-text and .bib file - K. Borycka-Kiciak, M. Młyńczak, A. Kiciak, P. Pietrzak, A. Dziki
Non-invasive obstetric anal sphincter injury diagnostics using impedance spectroscopy
Scientific Reports 2019 (Impact Factor = 4.122; Open Access; DOI: 10.1038/s41598-019-43637-1)
Publisher website, Full-text and .bib file - M. Młyńczak, A. Kołodziejczyk, H. Krysztofiak, G. Ambroszkiewicz, M. Żyliński, G. Cybulski
Cardiorespiratory profiling during simulated lunar mission using impedance pneumography
Biomedical Signal Processing and Control 2019 (Impact Factor = 2.783; DOI: 10.1016/j.bspc.2019.02.015)
Publisher website and .bib file - M. Młyńczak, H. Krysztofiak
Cardiorespiratory temporal causal links and the differences by sport or lack thereof
Frontiers in Physiology 2019 (Impact Factor = 3.394; Open Access; DOI: 10.3389/fphys.2019.00045)
Publisher website, Full-text, .bib file and Supplementary Materials - M. Młyńczak, H. Krysztofiak
Discovery of causal paths in cardiorespiratory parameters: a time-independent approach in elite athletes
Frontiers in Physiology 2018 (Impact Factor = 3.394; Open Access; DOI: 10.3389/fphys.2018.01455)
Publisher website, Full-text, .bib file and Supplementary Materials - H. Krysztofiak, Ł. A. Małek, M. Młyńczak, A. Folga, W. Braksator
Comparison of echocardiographic linear dimensions for male and female child and adolescent athletes with published pediatric normative data
PLOS One 2018 (Impact Factor = 2.766; Open Access; DOI: 10.1371/journal.pone.0205459)
Publisher website, Full-text and .bib file - H. Krysztofiak, M. Młyńczak, A. Folga, W. Braksator, Ł. A. Małek
Normal Values for Left Ventricular Mass in Relation to Lean Body Mass in Child and Adolescent Athletes
Pediatric Cardiology 2018 (Impact Factor = 1.540; Open Access; DOI: 10.1007/s00246-018-1982-9)
Publisher website, Full-text and .bib file - M. Młyńczak, E. Migacz, M. Migacz, W. Kukwa
Detecting breathing and snoring episodes using a wireless tracheal sensor - a feasibility study
IEEE Journal of Biomedical and Health Informatics 2017 (Impact Factor = 3.451; DOI: 10.1109/JBHI.2016.2632976)
Publisher website, Post-print version and .bib file - J. Krzywański, T. Mikulski, H. Krysztofiak, M. Młyńczak, E. Gaczyńska, A. Ziemba
Seasonal Vitamin D Status in Polish Elite Athletes in Relation to Sun Exposure and Oral Supplementation
PLOS One 2016 (Impact Factor = 2.806; Open Access; DOI: 10.1371/journal.pone.0101659)
Publisher website, Full-text and .bib file - M. Młyńczak, W. Niewiadomski, M. Żyliński, G. Cybulski
Assessment of calibration methods on impedance pneumography accuracy
Biomedical Engineering/Biomedizinische Technik 2016 (Impact Factor = 0.915; DOI: 10.1515/bmt-2015-0125)
Publisher website, Full-text and .bib file
Research software and data
- M. Młyńczak
Temporal orders and causal vector for physiological data analysis
42nd IEEE Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC'20
"tempord" R package documentation (version 0.9.2), "tempord" R package source (version 0.9.2), and Algorithm scheme - M. Młyńczak, Tulio A. Valdez, Wojciech Kukwa
Comparing sleep studies in terms of the Apnea-Hypopnea Index
Biomedical Signal Processing and Control 2021 (Impact Factor = 3.137; DOI: 10.1016/j.bspc.2021.1026147)
Shiny web application - M. Młyńczak, H. Krysztofiak
Cardiorespiratory temporal causal links and the differences by sport or lack thereof
Frontiers in Physiology (Impact Factor = 3.394; Open Access; DOI: 10.3389/fphys.2019.00045)
S1 - Matlab script, S2 - Data file, S3 - R script and Link to publisher's subpage - M. Młyńczak, H. Krysztofiak
Discovery of causal paths in cardiorespiratory parameters: a time-independent approach in elite athletes
Frontiers in Physiology (Impact Factor = 3.394; Open Access; DOI: 10.3389/fphys.2018.01455)
S1 - Data file, S2 - R script and Link to publisher's subpage
I would be grateful for referring the papers once the data and the software are used for the non-commercial, research purposes. Informing about the use is not obligatory, but may be treated as a good practice.
News
Other
Awards
- June 2021 - Minister of Education and Science Scholarship for outstanding young scientists; Link to the announcement (in Polish)
- October 2020 - 1st degree Individual Scientific Award of the WUT Rector (for the series of publications on causality analysis in biomedical signals)
- February 2017 - Best Student Paper Award (during BIOSIGNALS 2017 Conference); Link to the conference announcement
- August 2016 - NSF Young Professionals (Smart and Connected Health; during IEEE EMBC 2016)
- June 2014 - Minister of Science and Higher Education Scholarship
Patents
Memberships
- IEEE, Member
- Engineering in Medicine and Biology Society, EMBS, IEEE
- Big Data Community, IEEE
- Cloud Computing Community, IEEE
- Digital Senses Community, IEEE
- Entrepreneurship Exchange Community, IEEE
- Internet of Things Community, IEEE
- Life Sciences Community, IEEE