SAMI MYLLYMAA

Yhteystiedot

Tutkimusryhmät

• Biomateriaaliteknologian tutkimusryhmä
• Sleep Technology and Analytics Group (STAG)

Julkaisut

• Korkalainen, Henri; Leppänen, Timo; Duce, Brett; Kainulainen, Samu; Aakko, Juhani; Leino, Akseli; Kalevo, Laura; Afara, Isaac O; Myllymaa, Sami; Töyräs, Juha. 2021. Detailed assessment of sleep architecture with deep learning and shorter epoch-to-epoch duration reveals sleep fragmentation of patients with obstructive sleep apnea IEEE journal of biomedical and health informatics [Published online 09 Dec 2020]: -. 2021
• Leino, Akseli; Nikkonen, Sami; Kainulainen, Samu; Korkalainen, Henri; Töyräs, Juha; Myllymaa, Sami; Leppänen, Timo; Ylä-Herttuala, Salla; Westeren-Punnonen, Susanna; Muraja-Murro, Anu; Jäkälä, Pekka; Mervaala, Esa; Myllymaa, Katja. 2021. Neural network analysis of nocturnal SpO2 signal enables easy screening of sleep apnea in patients with acute cerebrovascular disease Sleep medicine 79: 71-78. 2021
• Emran, Shekh; Laitinen, Kimmo; Lappalainen, Reijo; Myllymaa, Sami. 2020. Novel 3D printing-based probe for impedance spectroscopic examination of oral mucosa: design and preliminary testing with phantom models Journal of medical engineering and technology 44 8: 517-526. 2020
• Hietakoste, Salla; Korkalainen, Henri; Kainulainen, Samu; Sillanmäki, Saara; Nikkonen, Sami; Myllymaa, Sami; Duce, Brett; Töyräs, Juha; Leppänen, Timo. 2020. Longer apneas and hypopneas are associated with greater ultra-short-term HRV in obstructive sleep apnea Scientific reports 10: 21556. 2020
• Jaurila, Henna; Koivukangas, Vesa; Koskela, Marjo; Gäddnäs, Fiia; Myllymaa, Sami; Kullaa, Arja; Salo, Tuula; Ala-Kokko, Tero. 2020. 1H NMR Based Metabolomics in Human Sepsis and Healthy Serum Metabolites 10 2: 1-13. 2020
• Kainulainen, S; Duce, B; Korkalainen, H; Oksenberg, A; Leino, A; Arnardottir, E; Kulkas, A; Myllymaa, S; Töyräs, J; Leppänen, T. 2020. Severe Desaturations Increase PVT-based Median Reaction Time and Number of Lapses in OSA Patients European respiratory journal 55: 1901849. 2020
• Kainulainen, Samu; Duce, Brett; Korkalainen, Henri; Leino, Akseli; Huttunen, Riku; Kalevo, Laura; Arnardottir, Erna S; Kulkas, Antti; Myllymaa, Sami; Töyräs, Juha; Leppänen, Timo. 2020. Increased nocturnal arterial pulsation frequencies of obstructive sleep apnoea patients is associated with an increased number of lapses in a psychomotor vigilance task ERJ open research 6 4: 00277-202. 2020
• Kainulainen, Samu; Töyräs, Juha; Oksenberg, Arie; Korkalainen, Henri; Afara, Isaac O; Leino, Akseli; Kalevo, Laura; Nikkonen, Sami; Gadoth, Natan; Kulkas, Antti; Myllymaa, Sami; Leppänen, Timo. 2020. Power spectral densities of nocturnal pulse oximetry signals differ in OSA patients with and without daytime sleepiness Sleep medicine 73: 231-237. 2020
• Kalevo, Laura; Miettinen, Tomi; Leino, Akseli; Kainulainen, Samu; Korkalainen, Henri; Myllymaa, Katja; Töyräs, Juha; Leppänen, Timo; Laitinen, Tiina; Myllymaa, Sami. 2020. Effect of sweating on electrode-skin contact impedances and artifacts in EEG recordings with various screen-printed Ag/Agcl electrodes IEEE access 8: 50934-50943. 2020
• Korkalainen, H; Aakko, J; Duce, B; Kainulainen, S; Leino, A; Nikkonen, S; Afara, I O; Myllymaa, S; Töyräs, J; Leppänen, T. 2020. Deep learning enables sleep staging from photoplethysmogram for patients with suspected sleep apnea Sleep 43 11: zsaa098. 2020
• Leino, A; Westeren-Punnonen, S; Töyräs, J; Myllymaa, S; Leppänen, T; Ylä-Herttuala, S; Muraja-Murro, A; Kantanen, AM; Autere, J; Jäkälä, P; Mervaala, E; Myllymaa, K. 2020. Acute stroke and TIA patients have specific polygraphic features of obstructive sleep apnea Sleep and breathing 24 4: 1495-1505. 2020
• Leppänen, T; Kulkas, A; Töyräs, J; Myllymaa, S; Gadoth, N; Oksenberg, A. 2020. Polysomnographic characteristics of severe obstructive sleep apnea vary significantly between hypertensive and normotensive patients of both genders Sleep and breathing [Online ahead of print 2020 Apr 5]: 1-12. 2020
• Nikkonen, Sami; Korkalainen, Henri; Kainulainen, Samu; Myllymaa, Sami; Leino, Akseli; Kalevo, Laura; Oksenberg, Arie; Leppänen, Timo; Töyräs, Juha. 2020. Estimating daytime sleepiness with previous night EEG, EOG and EMG spectrograms in patients with suspected sleep apnea using a convolutional neural network Sleep 43 12: zsaa106. 2020
• Herrala, Maria; Mikkonen, Jopi J W; Pesonen, Paula; Lappalainen, Reijo; Tjäderhane, Leo; Niemelä, Raija K; Seitsalo, Hubertus; Salo, Tuula; Myllymaa, Sami; Kullaa, Arja M. 2020. Variability of salivary metabolite levels in patients with Sjögren's syndrome Journal of oral science 2021; 63 1: 22-26. 2020
• Miettinen, T; Myllymaa, K; Muraja-Murro, A; Westeren-Punnonen, S; Hukkanen, T; Töyräs, J; Lappalainen, R; Mervaala, E; Sipilä, K; Myllymaa, S. 2019. Polysomnographic scoring of sleep bruxism events is accurate even in the absence of video recording but unreliable with EMG-only setups Sleep and breathing [First Online: 12 August 2019]: 1-12. 2019
• Nikkonen, S; Töyräs, J; Mervaala, E; Myllymaa, S; Terrill, P; Leppänen, T. 2019. Intra-night variation in apnea-hypopnea index affects diagnostics and prognostics of obstructive sleep apnea Sleep and breathing 2020; 24: 379-386. 2019
• Kalevo, Laura; Miettinen, Tomi; Leino, Akseli; Kainulainen, Samu; Myllymaa, Katja; Toyras, Juha; Leppanen, Timo; Myllymaa, Sami. 2019. Improved Sweat Artifact Tolerance of Screen-Printed EEG Electrodes by Material Selection-Comparison of Electrochemical Properties in Artificial Sweat IEEE access 7: 133237-133247. 2019
• Korkalainen, Henri; Aakko, Juhani; Nikkonen, Sami; Kainulainen, Samu; Leino, Akseli; Duce, Brett; Afara, Isaac Oluwaseun; Myllymaa, Sami; Töyräs, Juha; Leppänen, Timo. 2019. Accurate Deep Learning-Based Sleep Staging in a Clinical Population with Suspected Obstructive Sleep Apnea IEEE journal of biomedical and health informatics 24 7: 2073-2081. 2019
• Emran, S; Hurskainen, M; Tomppo, L; Lappalainen, R; Kullaa, AM; Myllymaa, S. 2019. Bioimpedance spectroscopy and spectral camera techniques in detection of oral mucosal diseases: a narrative review of the state-of-the-art Journal of medical engineering and technology 43 8: 474-491. 2019
• Emran, Shekh; Lappalainen, Reijo; Kullaa, Arja M; Myllymaa, Sami. 2018. Concentric Ring Probe for Bioimpedance Spectroscopic Measurements: Design and Ex Vivo Feasibility Testing on Pork Oral Tissues Sensors 18 10: 3378. 2018
• Miettinen, Tomi; Myllymaa, Katja; Hukkanen, Taina; Töyräs, Juha; Sipilä, Kirsi; Myllymaa, Sami. 2018. Home Polysomnography Reveals a First-Night Effect in Patients With Low Sleep Bruxism Activity Journal of clinical sleep medicine 14 8: 1377-1386. 2018
• Mikkonen, Jopi JW; Singh, Surya P; Akhi, Ramin; Salo, Tuula; Lappalainen, Reijo; González-Arriagada, Wilfredo A; Ajudarte Lopes, Márcio; Kullaa, Arja M; Myllymaa, Sami. 2018. Potential role of nuclear magnetic resonance spectroscopy to identify salivary metabolite alterations in patients with head and neck cancer Oncology letters 16 5: 6795-6800. 2018
• Miettinen T, Myllymaa K, Muraja-Murro A, Westeren-Punnonen S, Hukkanen T, Töyräs J, Lappalainen R, Mervaala E, Sipilä K, Myllymaa S. 2017. Screen-printed ambulatory electrode set enables accurate diagnostics of sleep bruxism. Journal of Sleep Research 2018; 27 1: 103-112. 2017
• Miettinen T, Myllymaa K, Westeren-Punnonen S, Ahlberg J, Hukkanen T, Töyräs J, Lappalainen R, Mervaala E, Sipilä K, Myllymaa S. 2017. At-home quantification of sleep characteristics with self-applicable facial electrode set. SLEEP MEDICINE 40 Supplement 1: e233-e234. 2017
• Miettinen T, Myllymaa K, Westeren-Punnonen S, Ahlberg J, Hukkanen T, Töyräs J, Lappalainen R, Mervaala E, Sipilä K, Myllymaa S. 2017. Success Rate and Technical Quality of Home Polysomnography with Self-Applicable Electrode Set in Subjects with Possible Sleep Bruxism IEEE journal of biomedical and health informatics 120; 22 4: 1124-1132. 2017
• Mikkonen Jopi JW, Raittila Jussi, Rieppo Lassi, Lappalainen Reijo, Kullaa Arja M, Myllymaa Sami. 2016. Fourier transform infrared spectroscopy and photoacoustic spectroscopy for saliva analysis. APPLIED SPECTROSCOPY 70 9: 1502-1510. 2016
• Myllymaa Sami, Muraja-Murro Anu, Westeren-Punnonen Susanna, Hukkanen Taina, Lappalainen Reijo, Mervaala Esa, Töyräs Juha, Sipilä Kirsi, Myllymaa Katja. 2016. Assessment of the suitability of using a forehead EEG electrode set and chin EMG electrodes for sleep staging in polysomnography. Journal of Sleep Research [Epub ahead of print 27 May 2016]: 1-10. 2016
• Myllymaa Katja, Myllymaa Sami, Leppänen Timo, Kulkas Antti, Kupari Salla, Tiihonen Pekka, Mervaala Esa, Seppä Juha, Tuomilehto Henri, Töyräs Juha. 2015. Effect of oxygen desaturation threshold on determination of OSA severity during weight loss. Sleep and Breathing 2016; 20 1: 33-42. 2015
• Myllymaa Sami, Myllymaa Katja, Kupari Salla, Kulkas Antti, Leppänen Timo, Tiihonen Pekka, Mervaala Esa, Seppä Juha, Tuomilehto Henri, Töyräs Juha. 2015. Effect of different oxygen desaturation threshold levels on hypopnea scoring and classification of severity of sleep apnea. Sleep and Breathing 19 3: 947-954. 2015
• Mikkonen JJW, Singh SP, Herrala M, Lappalainen R, Myllymaa S, Kullaa AM. 2015. Salivary metabolomics in the diagnosis of oral cancer and periodontal diseases. JOURNAL OF PERIODONTAL RESEARCH (COPENHAGEN) 2016; 51 4: 431-437. 2015
• Muraja-Murro Anu, Mervaala Esa, Westeren-Punnonen Susanna, Lepola Pasi, Töyräs Juha, Myllymaa Sami, Julkunen Petro, Kantanen Anne-Mari, Kälviäinen Reetta, Myllymaa Katja. 2015. Forehead EEG electrode set versus full-head scalp EEG in 100 patients with altered mental state. EPILEPSY & BEHAVIOR 49: 245-249. 2015
• Lepola Pasi, Myllymaa Sami, Töyräs Juha, Hukkanen Taina, Mervaala Esa, Määttä Sara, Lappalainen Reijo Myllymaa Katja. 2015. A Handy EEG Electrode Set for patients suffering from altered mental state. JOURNAL OF CLINICAL MONITORING AND COMPUTING 29 6: 697-705. 2015
• Lappalainen R, Mervaala E, Myllymaa K, Myllymaa S, Töyräs J. 2014. Arrangement and method for carrying out electrode measurements. WO 2014072582 A1. 2014
• Lepola Pasi, Myllymaa Sami, Töyräs Juha, Mervaala Esa, Lappalainen Reijo, Myllymaa Katja. 2014. Shielded design of screen-printed EEG electrode set reduces interference pick-up. IEEE SENSORS JOURNAL 14 8: 2692-2697. 2014
• Lepola Pasi, Myllymaa Sami, Töyräs Juha, Muraja-Murro Anu, Mervaala Esa, Lappalainen Reijo, Myllymaa Katja. 2014. Screen-printed EEG electrode set for emergency use. SENSORS AND ACTUATORS A. PHYSICAL 213 July: 19-26. 2014
• Kaitainen Salla, Kutvonen Antti, Suvanto Mika, Pakkanen Tuula T, Lappalainen Reijo, Myllymaa Sami. 2013. Liquid silicone rubber (LSR)-based dry bioelectrodes: The effect of surface micropillar structuring and silver coating on contact impedance. SENSORS AND ACTUATORS A. PHYSICAL 206: 22-29. 2013
• Mikkonen Jopi JW, Herrala Maria, Soininen Pasi, Lappalainen Reijo, Tjäderhane Leo, Seitsalo Hubertus, Niemelä Raija, Salo Tuula, Kullaa Arja M, Myllymaa Sami. 2013. Metabolic Profiling of Saliva in Patients with Primary Sjögren's syndrome. Metabolomics: Open Access 3 3: 128. 2013
• Myllymaa S, Lepola P, Hukkanen T, Oun A, Mervaala E, Toyras J, Lappalainen R, Myllymaa K. 2013. Novel screen printed electrode set for routine EEG recordings in patients with altered mental status: -, Engineering in Medicine and Biology Society (EMBC), 2013 35th Annual International Conference of the IEEE. Engineering in Medicine and Biology Society Proceedings. 6724-6727. 2013
• Myllymaa Sami, Lepola Pasi, Töyräs Juha, Hukkanen Taina, Mervaala Esa, Lappalainen Reijo, Myllymaa Katja. 2013. New disposable forehead electrode set with excellent signal quality and imaging compatibility. JOURNAL OF NEUROSCIENCE METHODS 215 1: 103-109. 2013
• Qu CJ, Myllymaa S, Prittinen J, Koistinen AP, Lappalainen R, Lammi MJ. 2013. Osteoblast behavior on various ultra short pulsed laser deposited surface coatings. MATERIALS SCIENCE AND ENGINEERING C 33 3: 1676-1682. 2013
• Lammi MJ, Qu CJ, Prittinen J, Kröger H, Koistinen A, Myllymaa S, Lappalainen R. 2012. Adhesion and spreading of different skeletal cell types on variable surface coatings: IEEE Xplore Digital Library, Biomedical Engineering and Informatics (BMEI), 2012 5th International Conference on. 705 - 710. 2012
• Myllymaa Katja, Levon Jaakko, Tiainen Veli-Matti, Myllymaa Sami, Soininen Antti, Korhonen Hannu, Kaivosoja Emilia, Lappalainen Reijo, Konttinen Yrjö Tapio. 2012. Formation and retention of staphylococcal biofilms on DLC and its hybrids compared to metals used as biomaterials. COLLOIDS AND SURFACES B: BIOINTERFACES 101: 290-297. 2012
• Myllymaa, S; Pirinen, S; Myllymaa, K; Suvanto, M; Pakkanen, TA; Pakkanen TT; Lappalainen R. 2012. Improving electrochemical performance of flexible thin film electrodes with micropillar array structures. MEASUREMENT SCIENCE AND TECHNOLOGY 23: 125701. 2012
• E. Kaivosoja, S. Myllymaa, Y, Takakubo, H. Korhonen, Y.T. Konttinen, R. Lappalainen, M. Takagi. 2011. Osteogenesis of human mesenchymal stem cells on micro-patterned surfaces Journal of Biomaterials Applications doi:10.1177/0885328211428094 0885328211428094: 1-11. 2011
• Kaivosoja E, Myllymaa S, Kouri V-P, Myllymaa K, Lappalainen R, Konttinen YT. 2010. Enhancement of silicon using micropatterned surfaces of thin films EUROPEAN CELLS AND MATERIALS 19: 147-157. 2010
• Levon J, Myllymaa K, Kouri V-P, Rautemaa R, Kinnari T, Myllymaa S, Konttinen YT, Lappalainen R. 2010. Patterned macro-array plates in comparison of tantalum, titanium and chromium to diamond-like carbon for their bacterial adhesion resistance. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH. PART A 92: 1606-1613. 2010
• Myllymaa S, Kaivosoja E, Myllymaa K, Sillat T, Korhonen H, Lappalainen R, Konttinen YT. 2010. Adhesion, spreading and osteogenic differentiation of mesenchymal stem cells cultured on micropatterned amorphous diamond, titanium, tantalum and chromium coatings on silicon. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 21 1: 329-341. 2010
• Myllymaa S, Myllymaa K, Korhonen H, Lammi MJ, Tiitu V & Reijo Lappalainen. 2010. Surface characterization and in vitro biocompatibility assessment of photosensitive polyimide films COLLOIDS AND SURFACES B: BIOINTERFACES 76 2: 505-511. 2010
• Myllymaa Sami. 2010. Novel Micro- and Nano-technological Approaches for Improving the Performance of Implantable Biomedical Devices. Publications of the University of Eastern Finland. Dissertations in Forestry and Natural Sciences. 2010
• Kaivosoja E, Myllymaa S, Kouri V-P, Myllymaa K, Lappalainen R, Konttinen YT. 2009. Piin soluyhteensopivuuden parantaminen mikrokuvioinnilla. SUOMEN ORTOPEDIA JA TRAUMATOLOGIA 32: 338-346. 2009
• Kaivosoja E, Myllymaa S, Myllymaa K, Sillat T, Lappalainen R, Konttinen YT. 2009. Mikrokuvioinnin vaikutus mesenkymaalisten kantasolujen adheesioon, levittäytymiseen ja luuksi. SUOMEN ORTOPEDIA JA TRAUMATOLOGIA 32: 328-336. 2009
• Myllymaa K, Myllymaa S, Korhonen H, Lammi MJ, Saarenpää H, Suvanto M, Pakkanen TA, Tiitu V, Lappalainen R. 2009. Improved adherence and spreading of Saos-2 cells on polypropylene surfaces achieved by surface texturing and carbon nitride coating. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 20: 2337-2347. 2009
• Myllymaa K, Myllymaa S, Korhonen H, Lammi MJ, Tiitu V, Lappalainen R. 2009. Interactions between Saos-2 cells and microtextured amorphous diamond or amorphous diamond hybrid coated surfaces with different wettability properties. DIAMOND AND RELATED MATERIALS 18: 1294-1300. 2009
• Myllymaa S, Myllymaa K, Korhonen H, Töyräs J, Jääskeläinen JE, Djupsund K, Tanila H, Lappalainen R. 2009. Fabrication and testing of polyimide-based microelectrode arrays for cortical mapping of evoked potentials BIOSENSORS AND BIOELECTRONICS 24: 3067-3072. 2009
• Myllymaa S, Myllymaa K, Lappalainen R. 2009. Flexible implantable thin film neural electrodes: Naik GR, Recent Advances in Biomedical Engineering.In-Teh. 165-189. 2009
• Myllymaa S, Myllymaa K, Korhonen H, Djupsund K, Tanila H, Lappalainen R. 2008. Development of flexible thin film microelectrode arrays for neural recordings: Katashev A, Dekhtyar Y and Spigulis J, 14th Nordic-Baltic Conference on Biomedical Engineering and Medical Physics.Springer. IFMBE Proceedings. 286-289. 2008
• Myllymaa S, Myllymaa K, Korhonen H, Gureviciene I, Djupsund K, Tanila H, Lappalainen R. 2008. Development of flexible microelectrode arrays for recording cortical surface field potentials. Teoksessa (toim.), 30th Annual International IEEE EMBS Conference. Engineering in Medicine and Biology Society Proceedings. s. 3200-3203. 2008