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Reijo Lappalainen

Reijo Lappalainen

Professor

Biomaterials technology

Department of Technical Physics, Faculty of Science, Forestry and Technology

[email protected] | +358 40 355 2564

Information Publications

Research groups

Biorefining 01.01.2010 -
Biomaterials technology group 01.01.2010 -
Wood Materials Science

Projects

Tailored solutions for health care and medicine by 3D printing and coating (3DPMED) Finished 01.04.2019 - 30.06.2021
3D-Printing Collaboration Project 3DTY - UEF 01.08.2023 - 31.07.2026
Preparatory project for a national joint project on 3D printing Finished 01.06.2022 - 31.03.2023
Boosting the bioeconomy of the North Savo area - bioboost project 01.10.2023 - 30.04.2026
Biosphere North Savo : Utilization of biomass and biorefining techniques for novel industrial products -development project Finished 01.04.2020 - 31.10.2022
Developing international bioeconomy competence in Eastern Finland by working life oriented continuous learning (Join-bioerko) Finished 01.08.2020 - 31.12.2022
Utilization of material analysis, condition control and artificial intelligence for industrial circular economy Finished 01.03.2020 - 31.12.2022
Developing coatings and surface chemistry for industrial applications Finished 01.02.2019 - 31.07.2021

Publications

157/157 items

17O NMR spectroscopy protocol for the determination of water content in liquids produced by pyrolysis and hydrothermal liquefaction
Jokinen, Noora; Eronen, Eemeli; Vepsäläinen, Jouko; Jänis, Janne; Lappalainen, Reijo; Tomppo, Laura; Tynkkynen, Tuulia. 2024. Analytica chimica acta. 1329: A1 Journal article (refereed), original research
Accuracy of Dental Restorations Fabricated Using Milling vs 3D-Printed Molds: A Pilot Study
Ahlholm, Pekka; Sipila, Kirsi; Tarvonen, Pirkko-Liisa; Silvast, Tuomo; Lappalainen, Reijo. 2024. International journal of prosthodontics. 37: S79-S88 A1 Journal article (refereed), original research
Characterization and antifungal properties against wood decaying fungi of hydrothermal liquefaction liquids from spent mushroom substrate and tomato residues
Barbero-López, Aitor; López-Gómez, Yeray Manuel; Carrasco, Jaime; Jokinen, Noora; Lappalainen, Reijo; Akkanen, Jarkko; Mola-Yudego, Blas; Haapala, Antti. 2023. Biomass and bioenergy. 2024; 181: A1 Journal article (refereed), original research
Experimental Comparison of Thin Film Surfaces to Detect Oral Salivary Biomarkers by Surface-Enhanced Raman Spectroscopy
Hurskainen, Miia; Korhonen, Hannu; Myllymaa, Sami; Lappalainen, Reijo. Teoksessa: Dekhtyar, Yuri; Saknite, Inga(toim.) , 2023. 19th Nordic-Baltic Conference on Biomedical Engineering and Medical Physics: Proceedings of NBC 2023, June 12–14, 2023, Liepaja, Latvia. s. 269-277. Springer A4 Conference proceedings
Hydrothermal liquefaction of spent mushroom substrate as a source of antifungals
Barbero-López, Aitor; López-Gómez, Yeray Manuel; Carrasco, Jaime; Jokinen, Noora; Lappalainen, Reijo; Haapala, Antti. 2023. abstract
Improving coarse-textured mineral soils with pulp and paper mill sludges: Functional considerations at laboratory scale
Räty, Mari; Termonen, Maarit; Soinne, Helena; Nikama, Johanna; Rasa, Kimmo; Järvinen, Mikko; Lappalainen, Reijo; Auvinen, Harri; Keskinen, Riikka. 2023. Geoderma. 438: . 116617 A1 Journal article (refereed), original research
Novel 3D printed probe for bioimpedance spectroscopic measurement of oral mucosa: design and testing with ex vivo porcine oral tissues
Emran, Shekh; Jokinen, Noora; Laitinen, Kimmo; Lappalainen, Reijo; Myllymaa, Sami. 2023. Measurement science and technology. 34: A1 Journal article (refereed), original research
Production of graphitic carbons from plant-based SiC/C nanocomposites for Li-ion batteries
Haluska, Ondřej; Meščeriakovė, Sara-Maaria; Murashko, Kirill; Meščeriakovas, Arūnas; Kalidas, Nathiya; Rantanen, Jimi; Liu, Lizhi; Salami, Ayobami; Lappalainen, Reijo; Lähde, Anna; Lehto, Vesa-Pekka; Riikonen, Joakim. 2023. Materials chemistry and physics. 296: A1 Journal article (refereed), original research
Valorization potential of the aqueous products from hydrothermal liquefaction and stepwise slow pyrolysis of wood bark and hemp hurds with yields and product comparison
Jokinen, Noora; Eronen, Eemeli; Salami, Ayobami; Hyttinen, Marko; Jänis, Janne; Vepsäläinen, Jouko; Lappalainen, Reijo; Tomppo, Laura. 2023. Bioresource technology reports. 21: . 101385 A1 Journal article (refereed), original research
Bioprocess development of 2, 3-butanediol production using agro-industrial residues
Hazeena, Sulfath Hakkim; Shurpali, Narasinha J; Siljanen, Henri; Lappalainen, Reijo; Anoop, Puthiyamdam; Adarsh, Velayudhanpillai Prasannakumari; Sindhu, Raveendran; Pandey, Ashok; Binod, Parameswaran. 2022. Bioprocess and biosystems engineering. 45: 1527-1537 A1 Journal article (refereed), original research
Bond quality of poplar plywood reinforced with hemp fibers and lignin-phenolic adhesives
Karri, Ramesh; Lappalainen, Reijo; Tomppo, Laura; Yadav, Ranjana. 2022. Composites part c : open access. 9: A1 Journal article (refereed), original research
Metsäteollisuuden kuitulietteiden peltoviljelykäyttö karkeilla kivennäismailla
Termonen, Maarit; Keskinen, Riikka; Nikama, Johanna; Järvenranta, Kirsi; Soinne, Helena; Järvinen, Mikko; Rasa, Kimmo; Uusi-Kämppä, Jaana; Auvinen, Harri; Lappalainen, Reijo; Räty, Mari. Teoksessa: (toim.) , 2022. Maataloustieteen päivät 2022. s. 1-9. B3 Non-refereed conference proceedings
Slow pyrolysis processing of industrial hemp by-products
Tomppo, Laura; Heikkinen, Jorma; Salami, Ayobami; Jokinen, Noora; Lappalainen, Reijo. Teoksessa: García-Tejero, Ivan Francisco; Durán-Zuazo, Víctor Hugo(toim.) , 2022. Current Applications, Approaches, and Potential Perspectives for Hemp: Crop Management, Industrial Usages, and Functional Purposes. s. 315-335. Academic press A3 Book section, Chapters in research books
A Comparative Study of Pyrolysis Liquids by Slow Pyrolysis of Industrial Hemp Leaves, Hurds and Roots
Salami, Ayobami; Heikkinen, Jorma; Tomppo, Laura; Hyttinen, Marko; Kekäläinen, Timo; Jänis, Janne; Vepsäläinen, Jouko; Lappalainen, Reijo. 2021. Molecules. 26: 3167 A1 Journal article (refereed), original research
Biotisleistä apua metsäpuutaimituotannon tauti- ja tuho-ongelmiin
Uimari, Anne; Poteri, Marja; Lappalainen, Reijo. 2021. Kasvinsuojelulehti. 54: 16-19 D1 Article in a trade journal
Feasibility of Near-Infrared Spectroscopy for Identification of L-Fucose and L-Proline - Towards Detecting Cancer Biomarkers from Saliva
Hurskainen, Miia O.; Sarin, Jaakko K.; Myllymaa, Sami; González-Arriagada, Wilfredo A.; Kullaa, Arja; Lappalainen, Reijo. 2021. Applied sciences. 11: 9662 A1 Journal article (refereed), original research
Joint bearing surfaces and replacement joint design
Lappalainen, Reijo; Selenius, Mikko; Juvonen, Tiina. Teoksessa: Revell, Peter(toim.) , 2021. Joint Replacement Technology (Third Edition). s. 165-184. Elsevier A3 Book section, Chapters in research books
Low-Dose Doxycycline Treatment Normalizes Levels of Some Salivary Metabolites Associated with Oral Microbiota in Patients with Primary Sjögren's Syndrome
Herrala, Maria; Turunen, Soile; Hanhineva, Kati; Lehtonen, Marko; Mikkonen, Jopi J. W.; Seitsalo, Hubertus; Lappalainen, Reijo; Tjäderhane, Leo; Niemelä, Raija K.; Salo, Tuula; Myllymaa, Sami; Kullaa, Arja M.; Kärkkäinen, Olli. 2021. Metabolites. 11: 595 A1 Journal article (refereed), original research
Monialaista jatkuvaa oppimista biotaloudessa
Tomppo, Laura; Torssonen, Piritta; Santti, Ulla; Mäkelä, Jarmo; Kontkanen, Sini; Auvinen, Harri; Lappalainen, Reijo; Pentinsaari, Tanja; Tikkanen, Jukka. 2021. AMK-lehti // UAS journal: Journal of Finnish Universities of Applied Sciences. : - D1 Article in a trade journal
Plant-based nanostructured silicon carbide modified with bisphosphonates for metal adsorption
Haluska, Ondrej; Rahmani, Arezoo; Salami, Ayobami; Turhanen, Petri; Vepsäläinen, Jouko; Lappalainen, Reijo; Lehto, Vesa-Pekka; Riikonen, Joakim. 2021. Microporous and mesoporous materials. 324: 111294 A1 Journal article (refereed), original research
Syljen metaboliittien vaihtelu Sjögrenin oireyhtymäpotilailla
Herrala, Maria; Mikkonen, Jopi J. W.; Pesonen, Paula; Lappalainen, Reijo; Tjäderhane, Leo; Niemelä, Raija K.; Seitsalo, Hubertus; Salo, Tuula; Myllymaa, Sami; Kullaa, Arja M.. 2021. Suomen hammaslääkärilehti. 28: 26 D1 Article in a trade journal
Air-coupled ultrasound detection of natural defects in wood using ferroelectret and piezoelectric sensors
Tiitta, Markku; Tiitta, Valtteri; Gaal, Mate; Heikkinen, Jorma; Lappalainen, Reijo; Tomppo, Laura. 2020. Wood science and technology. 54: 1051-1064 A1 Journal article (refereed), original research
Bio-based wood preservatives: Their efficiency, leaching and ecotoxicity compared to a commercial wood preservative
Barbero-López, Aitor; Akkanen, Jarkko; Lappalainen, Reijo; Peräniemi, Sirpa; Haapala, Antti. 2020. Science of the total environment. 753: 142013 A1 Journal article (refereed), original research
Classification of Wood Chips Using Electrical Impedance Spectroscopy and Machine Learning
Tiitta, Markku; Tiitta, Valtteri; Heikkinen, Jorma; Lappalainen, Reijo; Tomppo, Laura. 2020. Sensors. 20: 1076 A1 Journal article (refereed), original research
Complementary chemical characterization of distillates obtained from industrial hemp hurds by thermal processing
Salami, Ayobami; Raninen, Kaisa; Heikkinen, Jorma; Tomppo, Laura; Vilppo, Teemu; Selenius, Mikko; Raatikainen, Olavi; Lappalainen, Reijo; Vepsäläinen, Jouko. 2020. Industrial crops and products. 155: 112760 A1 Journal article (refereed), original research
Cost-effective FTIR and 1H NMR spectrometry used to screen valuable molecules extracted from selected West African trees by a sustainable biochar process
Salami, A; Vilppo, T; Pitkänen, S; Weisell, J; Raninen, K; Vepsäläinen, J; Lappalainen, R. 2020. Scientific African. 8: 1-13 A1 Journal article (refereed), original research
Effects of two-year weather exposure on thermally modified Picea abies, Pi nus sylvestris, and Fraxinus excelsior wood
Cai, Chenyang; Haapala, Antti; Rahman, Mohammad Habibur; Tiitta, Markku; Tiitta, Valtteri; Tomppo, Laura; Lappalainen, Reijo; Herajärvi, Henrik. 2020. Canadian journal of forest research-revue canadienne de recherche forestiere. 50: 1160-1171 A1 Journal article (refereed), original research
Novel 3D printing-based probe for impedance spectroscopic examination of oral mucosa: design and preliminary testing with phantom models
Emran, Shekh; Laitinen, Kimmo; Lappalainen, Reijo; Myllymaa, Sami. 2020. Journal of medical engineering and technology. 44: 517-526 A1 Journal article (refereed), original research
Synthesis of graphene-like carbon from agricultural side stream with magnesiothermic reduction coupled with atmospheric pressure induction annealing
Lähde, Anna; Haluska, Ondrej; Alatalo, Sara-Maaria; Sippula, Olli; Me¨ceriakovas, Arunas; Lappalainen, Reijo; Nissinen, Tuomo; Riikonen, Joakim; Lehto, Vesa-Pekka. 2020. Nano express. 1: 10014 A1 Journal article (refereed), original research
Variability of salivary metabolite levels in patients with Sjögren's syndrome
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. Journal of oral science. 2021; 63: 22-26 A1 Journal article (refereed), original research
Accuracy of inlay and onlay restorations based on 3D printing or milling technique - a pilot study
Ahlholm, P; Sipilä, K; Vallittu, P; Kotiranta, U; Lappalainen, R. 2019. European journal of prosthodontics and restorative dentistry. 27: 56-64 A1 Journal article (refereed), original research
Bioimpedance spectroscopy and spectral camera techniques in detection of oral mucosal diseases: a narrative review of the state-of-the-art
Emran, S; Hurskainen, M; Tomppo, L; Lappalainen, R; Kullaa, AM; Myllymaa, S. 2019. Journal of medical engineering and technology. 43: 474-491 A2 Review article, Literature review, Systematic review
Casein-magnesium composite as an intumescent fire retardant coating for wood
Uddin, Mezbah; Kiviranta, Kalle; Suvanto, Sari; Alvila, Leila; Leskinen, Jari; Lappalainen, Reijo; Haapala, Antti. 2019. Fire safety journal. 2020; 112: 1-7 A1 Journal article (refereed), original research
Effect of steam treatment on the chemical composition of hemp (Cannabis sativa L.) and identification of the extracted carbohydrates and other compounds
Väisänen, Taneli ; Kilpeläinen, Petri; Kitunen, Veikko; Lappalainen, Reijo; Tomppo, Laura. 2019. Industrial crops and products. 131: 224-233 A1 Journal article (refereed), original research
Fotoniikasta valoa Suomen hyvinvointiin: Selvitys alan vaikuttavuudesta ja kasvunäkymistä
Aalto, Timo; Ailisto, Heikki; Antila, Jarkko; Eklin, Tero; Haapala, Antti; Herrala, Esko; Heräjärvi, Henrik; Hirvi, Timo; Hänninen, Pekka; Jokinen, Kimmo; Keinänen, Markku; Kola, Kari; Korppi-Tommola, Jouko; Kutila, Matti; Lappalainen, Reijo; Laurila, Toni; Luukanen, Arttu; Kauranen, Martti; Oksanen, Elina; Purmonen, Juha; Räisänen, Antti; Saarinen, Jyrki; Salmelin, Eero; Salminen, Antti; Stenberg, Petri; Tokola, Timo; Turtiainen, Heikki; Uusimaa, Petteri; Vahimaa, Pasi; Vastaranta, Mikko; Visa. 2019. Eduskunnan tulevaisuusvaliokunnan julkaisu. . D4 Published development or research report or study
Polysomnographic scoring of sleep bruxism events is accurate even in the absence of video recording but unreliable with EMG-only setups
Miettinen, T; Myllymaa, K; Muraja-Murro, A; Westeren-Punnonen, S; Hukkanen, T; Töyräs, J; Lappalainen, R; Mervaala, E; Sipilä, K; Myllymaa, S. 2019. Sleep and breathing. [First Online: 12 August 2019]: 1-12 A1 Journal article (refereed), original research
Concentric Ring Probe for Bioimpedance Spectroscopic Measurements: Design and Ex Vivo Feasibility Testing on Pork Oral Tissues
Emran, Shekh; Lappalainen, Reijo; Kullaa, Arja M; Myllymaa, Sami. 2018. Sensors. 18: 3378 A1 Journal article (refereed), original research
Improvements in the thread cutting torque for a 6082-T6 aluminum-based alloy with tapping tools utilizing diamond coating
Korhonen, Hannu; Koistinen, Arto; Lappalainen, Reijo. 2018. Machining science and technology. 22: 696-728 A1 Journal article (refereed), original research
Potential role of nuclear magnetic resonance spectroscopy to identify salivary metabolite alterations in patients with head and neck cancer
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. Oncology letters. 16: 6795-6800 A1 Journal article (refereed), original research
Pyrolysis distillates from tree bark and fibre hemp inhibit the growth of wood-decaying fungi
Barbero-López, Aitor; Chibily, Soumaya; Tomppo, Laura; Salami, Ayobami; Ancin-Murguzur, Francisco Javier; Venäläinen, Martti; Lappalainen, Reijo; Haapala, Antti. 2018. Industrial crops and products. 2019; 129: 604-610 A1 Journal article (refereed), original research
The effect of moisture content on electrical impedance spectroscopy response of natural fibre-polymer composite granules
Tomppo, Laura; Tiitta, Markku; Lappalainen, Reijo. 2018. Journal of thermoplastic composite materials. 2019; 32: 216-2271-12 A1 Journal article (refereed), original research
At-home quantification of sleep characteristics with self-applicable facial electrode set
Miettinen T, Myllymaa K, Westeren-Punnonen S, Ahlberg J, Hukkanen T, Töyräs J, Lappalainen R, Mervaala E, Sipilä K, Myllymaa S. 2017. Sleep medicine. 40: e233-e234 A1 Journal article (refereed), original research
Modification of hemp fibers (Cannabis Sativa L.) for composite applications
Väisänen Taneli, Batello Paolo, Lappalainen Reijo, Tomppo Laura. 2017. Industrial crops and products. 2018; 111: 422-429 A1 Journal article (refereed), original research
Optically transparent and durable Al2O3 coatings for harsh environments by ultra short pulsed laser deposition
Korhonen Hannu, Syväluoto Aki, Leskinen Jari TT, Lappalainen Reijo. 2017. Optics and laser technology. 2018; 98: 373-384 A1 Journal article (refereed), original research
Screen-printed ambulatory electrode set enables accurate diagnostics of sleep bruxism
Miettinen T, Myllymaa K, Muraja-Murro A, Westeren-Punnonen S, Hukkanen T, Töyräs J, Lappalainen R, Mervaala E, Sipilä K, Myllymaa S. 2017. Journal of sleep research. 2018; 27: 103-112 A1 Journal article (refereed), original research
Success Rate and Technical Quality of Home Polysomnography with Self-Applicable Electrode Set in Subjects with Possible Sleep Bruxism
Miettinen T, Myllymaa K, Westeren-Punnonen S, Ahlberg J, Hukkanen T, Töyräs J, Lappalainen R, Mervaala E, Sipilä K, Myllymaa S. 2017. IEEE journal of biomedical and health informatics. 120; 22: 1124-1132 A1 Journal article (refereed), original research
A rapid technique for monitoring volatile organic compound emissions from wood-plastic composites
Väisänen T, Laitinen K, Tomppo L, Joutsensaari J, Raatikainen O, Lappalainen R, Yli-Pirilä P. 2016. Indoor and built environment. 2018; 27: 194-204 A1 Journal article (refereed), original research
Assessment of the suitability of using a forehead EEG electrode set and chin EMG electrodes for sleep staging in polysomnography
Myllymaa Sami, Muraja-Murro Anu, Westeren-Punnonen Susanna, Hukkanen Taina, Lappalainen Reijo, Mervaala Esa, Töyräs Juha, Sipilä Kirsi, Myllymaa Katja. 2016. Journal of sleep research. [Epub ahead of print 27 May 2016]: 1-10 A1 Journal article (refereed), original research
Behavior of Human Bone Marrow-Derived Mesenchymal Stem Cells on Various Titanium-Based Coatings
Qu Chengjuan, Kaitainen Salla, Kröger Heikki, Lappalainen Reijo, Lammi Mikko J. 2016. Materials. 9: 827 A1 Journal article (refereed), original research
Fourier transform infrared spectroscopy and photoacoustic spectroscopy for saliva analysis
Mikkonen Jopi JW, Raittila Jussi, Rieppo Lassi, Lappalainen Reijo, Kullaa Arja M, Myllymaa Sami. 2016. Applied spectroscopy. 70: 1502-1510 A1 Journal article (refereed), original research
Improved multilayer coatings by combined use of electrochemical and ultra-short pulsed laser deposition techniques
Laitinen Kimmo T, Korhonen Hannu, Leskinen Jari TT, Koistinen Arto, Lappalainen Reijo. 2016. Surface and coatings technology. 300: 58-66 A1 Journal article (refereed), original research
Improving the properties of wood-plastic composite through addition of hardwood pyrolysis liquid
Väisänen Taneli, Heikkinen Jorma, Tomppo Laura, Lappalainen Reijo. 2016. Journal of thermoplastic composite materials. [epub ahead of print Feb 23, 2016]: - A1 Journal article (refereed), original research
Predicting the bending properties of air dried and modified Populus tremula L. wood using combined air-coupled ultrasound and electrical impedance spectroscopy
Tiitta M, Tomppo L, Möttönen V, Marttila J, Antikainen J, Lappalainen R, Heräjärvi H. 2016. European Journal of Wood and Wood Products. 2017; 75: 701-709 A1 Journal article (refereed), original research
Softwood Distillate as a Bio-Based Additive in Wood-Plastic Composites
Väisänen Taneli, Heikkinen Jorma, Tomppo Laura, Lappalainen Reijo. 2016. Journal of wood chemistry and technology. 36: 278-287 A1 Journal article (refereed), original research
Utilization of agricultural and forest industry waste and residues in natural fiber-polymer composites: A review
Väisänen Taneli, Haapala Antti, Lappalainen Reijo, Tomppo Laura. 2016. Waste management. 54: 62-73 A2 Review article, Literature review, Systematic review
A Handy EEG Electrode Set for patients suffering from altered mental state
Lepola Pasi, Myllymaa Sami, Töyräs Juha, Hukkanen Taina, Mervaala Esa, Määttä Sara, Lappalainen Reijo Myllymaa Katja. 2015. Journal of clinical monitoring and computing. 29: 697-705 A1 Journal article (refereed), original research
Biomechanical evaluation of bone screw fixation with a novel bone cement
Juvonen Tiina, Nuutinen Juha-Pekka, Koistinen Arto P, Kröger Heikki, Lappalainen Reijo. 2015. Biomedical engineering online. 14: 74 A1 Journal article (refereed), original research
Effects of slow pyrolysis derived birch distillate on the properties of wood-plastic composites
Väisänen Taneli, Tomppo Laura, Selenius Mikko, Lappalainen Reijo. 2015. European Journal of Wood and Wood Products. 74: 131-133 A1 Journal article (refereed), original research
Salivary metabolomics in the diagnosis of oral cancer and periodontal diseases
Mikkonen JJW, Singh SP, Herrala M, Lappalainen R, Myllymaa S, Kullaa AM. 2015. Journal of periodontal research. 2016; 51: 431-437 A2 Review article, Literature review, Systematic review
Air-coupled ultrasound and electrical impedance analyses of normally dried and thermally modified Scots pine (Pinus sylvestris)
Tomppo Laura, Tiitta Markku, Lappalainen Reijo. 2014. Wood material science and engineering. 2016; 11: 274-282 A1 Journal article (refereed), original research
Arrangement and method for carrying out electrode measurements
Lappalainen R, Mervaala E, Myllymaa K, Myllymaa S, Töyräs J. 2014. H1 Granted patent
Back-side wear in HexLoc cups clinico-radiological, immunohistopathological, finite element and retrieval analysis studies
Kawaji H, Koistinen AP, Korhonen RK, Lappalainen R, Lohman M, Soininen A, Gomez-Barrena E, Konttinen YT, Ylinen P, Talloroth K. 2014. Journal of long-term effects of medical implants. 24: 319-331 A1 Journal article (refereed), original research
Development of novel electroplating tank layout by computer simulations and verification tests
Laitinen Kimmo T., Miettinen Juha M., Vauhkonen Marko, Lappalainen Reijo. 2014. Transactions of the institute of metal finishing. 92: 238-244 A1 Journal article (refereed), original research
Interfacial sliding properties of bone screw materials and their effect on screw fixation strength
Koistinen Arto P, Korhonen Hannu, Kröger Heikki, Lappalainen Reijo. 2014. Journal of applied biomaterials & functional materials. 12: 90-96 A1 Journal article (refereed), original research
Screen-printed EEG electrode set for emergency use
Lepola Pasi, Myllymaa Sami, Töyräs Juha, Muraja-Murro Anu, Mervaala Esa, Lappalainen Reijo, Myllymaa Katja. 2014. Sensors and actuators a: physical. 213: 19-26 A1 Journal article (refereed), original research
Shielded design of screen-printed EEG electrode set reduces interference pick-up
Lepola Pasi, Myllymaa Sami, Töyräs Juha, Mervaala Esa, Lappalainen Reijo, Myllymaa Katja. 2014. IEEE sensors journal. 14: 2692-2697 A1 Journal article (refereed), original research
IMPROVEMENTS IN THE SURFACE CHARACTERISTICS OF STAINLESS STEEL WORKPIECES BY BURNISHING WITH AN AMORPHOUS DIAMOND-COATED TIP
Korhonen H, Laakkonen J, Hakala J, Lappalainen R. 2013. Machining science and technology. 17: 593-610 A1 Journal article (refereed), original research
Improved multilayer coatings by combined use of electrochemical and ultra-short pulsed laser deposition techniques
Laitinen KT, Korhonen H, Nuutinen P, Miettinen J, Lappalainen R. Teoksessa: -(toim.) , 2013. National Association for Surface Finishing Annual Conference and Trade Show (SUR/FIN 2013). s. 864-873. National Association for Surface Finishing (NASF) A4 Conference proceedings
Liquid silicone rubber (LSR)-based dry bioelectrodes: The effect of surface micropillar structuring and silver coating on contact impedance
Kaitainen Salla, Kutvonen Antti, Suvanto Mika, Pakkanen Tuula T, Lappalainen Reijo, Myllymaa Sami. 2013. Sensors and actuators a: physical. 206: 22-29 A1 Journal article (refereed), original research
Metabolic Profiling of Saliva in Patients with Primary Sjögren's syndrome
Mikkonen Jopi JW, Herrala Maria, Soininen Pasi, Lappalainen Reijo, Tjäderhane Leo, Seitsalo Hubertus, Niemelä Raija, Salo Tuula, Kullaa Arja M, Myllymaa Sami. 2013. Metabolomics: open access. 3: 128 A1 Journal article (refereed), original research
New disposable forehead electrode set with excellent signal quality and imaging compatibility
Myllymaa Sami, Lepola Pasi, Töyräs Juha, Hukkanen Taina, Mervaala Esa, Lappalainen Reijo, Myllymaa Katja. 2013. Journal of neuroscience methods. 215: 103-109 A1 Journal article (refereed), original research
Novel screen printed electrode set for routine EEG recordings in patients with altered mental status
Myllymaa S, Lepola P, Hukkanen T, Oun A, Mervaala E, Toyras J, Lappalainen R, Myllymaa K. Teoksessa: -(toim.) , 2013. Engineering in Medicine and Biology Society (EMBC), 2013 35th Annual International Conference of the IEEE. s. 6724-6727. A4 Conference proceedings
Osteoblast behavior on various ultra short pulsed laser deposited surface coatings
Qu CJ, Myllymaa S, Prittinen J, Koistinen AP, Lappalainen R, Lammi MJ. 2013. Materials science and engineering c: materials for biological applications. 33: 1676-1682 A1 Journal article (refereed), original research
TiO2 coating promotes mesenchymal stem cell proliferation without the loss of their capacity for chondrogenic differentiation
Kaitainen S, Mähönen AJ, Lappalainen R, Kröger H, Lammi MJ, Qu C. 2013. Biofabrication. 5: 25009 A1 Journal article (refereed), original research
Adhesion and spreading of different skeletal cell types on variable surface coatings
Lammi MJ, Qu CJ, Prittinen J, Kröger H, Koistinen A, Myllymaa S, Lappalainen R. Teoksessa: IEEE Xplore Digital Library(toim.) , 2012. Biomedical Engineering and Informatics (BMEI), 2012 5th International Conference on. s. 705 - 710. Wiley-IEEE press A3 Book section, Chapters in research books
Enhanced bone screw fixation with biodegradable bone cement in osteoporotic bone model
Juvonen T, Koistinen A, Kröger H, Lappalainen R. 2012. Journal of applied biomaterials & functional materials. 10: 113-118 A1 Journal article (refereed), original research
Formation and retention of staphylococcal biofilms on DLC and its hybrids compared to metals used as biomaterials
Myllymaa Katja, Levon Jaakko, Tiainen Veli-Matti, Myllymaa Sami, Soininen Antti, Korhonen Hannu, Kaivosoja Emilia, Lappalainen Reijo, Konttinen Yrjö Tapio. 2012. Colloids and surfaces b: biointerfaces. 101: 290-297 A1 Journal article (refereed), original research
Improving electrochemical performance of flexible thin film electrodes with micropillar array structures
Myllymaa, S; Pirinen, S; Myllymaa, K; Suvanto, M; Pakkanen, TA; Pakkanen TT; Lappalainen R. 2012. Measurement science and technology. 23: 125701 A1 Journal article (refereed), original research
Nanoteknologia biomateriaalien ja lääkkeiden kantaja-aineiden pintojen räätälöinnissä
Järvinen Kristiina, Jokiniemi Jorma, Lammi Mikko, Lappalainen Reijo, Närvänen Ale, Pakkanen Tapani A, Lehto Vesa-Pekka. 2012. Duodecim. 128: 2085-2092 A2 Review article, Literature review, Systematic review
Spectroscopy in the analysis of bacterial and eukaryotic cell footprints on implant surfaces
Kaivosoja E, Virtanen S, Rautemaa R, Lappalainen R, Konttinen YT. 2012. European cells and materials. 24: 60-73 A1 Journal article (refereed), original research
Analysis of plastic deformation in cortical bone after insertion of coated and non-coated self-tapping orthopaedic screws
Koistinen, Arto P; Korhonen, H; Kiviranta, Ilkka; Kröger, Heikki, Lappalainen, Reijo. 2011. Proceedings of the institution of mechanical engineers part h: journal of engineering in medicine. 225: 629-639 A1 Journal article (refereed), original research
Early bone growth on the surface of titanium implants in rat femur is enhanced by an amorphous diamond coating
Jaatinen JJ, Korhonen RK, Pelttari A, Helminen HJ, Korhonen H, Lappalainen R, Kröger H. 2011. Acta orthopaedica. 82: 499-503 A1 Journal article (refereed), original research
Electrical impedance spectroscopy and acoustic emission methods for analyses of forest residuals and wood chips
Tiitta, Markku; Tomppo, Laura; Lappalainen, Reijo. Teoksessa: Funk, David B; Trabelsi, Samir; Pierce, Richard O(toim.) , 2011. Proceedings of the 9th international conference on electromagnetic wave interaction with water and moist substances. s. 47-53. - A4 Conference proceedings
In vitro adhesion of staphylococci to diamond-like carbon polymer hybrids under dynamic flow conditions
A. Soininen, J. Levon, M. Katsikogianni, K. Myllymaa, R. Lappalainen, Y. T. Konttinen, T J. Kinnari, V-M Tiainen, Y Missirlis. 2011. Journal of materials science: materials in medicine. 22: 629-636 A1 Journal article (refereed), original research
Moisture content determination of thermally modified timber by electrical and ultrasound methods
van der Beek Jelle, Tiitta Markku, Tomppo Laura, Lappalainen Reijo. 2011. International wood products journal. 2: 60-66 A1 Journal article (refereed), original research
Osteogenesis of human mesenchymal stem cells on micro-patterned surfaces
E. Kaivosoja, S. Myllymaa, Y, Takakubo, H. Korhonen, Y.T. Konttinen, R. Lappalainen, M. Takagi. 2011. Journal of biomaterials applications. doi:10.1177/0885328211428094: 1-11 A1 Journal article (refereed), original research
Study of stilbene and resin acid content of Scots pine heartwood by electrical impedance spectroscopy (EIS)
Tomppo Laura, Tiitta Markku, Laakso Tapio, Harju Anni, Venäläinen Martti, Lappalainen Reijo. 2011. Holzforschung. 65: 643-649 A1 Journal article (refereed), original research
The effect of loading and material on the biomechanical properties and vitality of bovine cartilage in vitro
Pöllänen R, Tikkanen A-M, Lammi MJ, Lappalainen R. 2011. Journal of applied biomaterials and biomechanics. 9: 47 - 53 A1 Journal article (refereed), original research
Adhesion, spreading and osteogenic differentiation of mesenchymal stem cells cultured on micropatterned amorphous diamond, titanium, tantalum and chromium coatings on silicon
Myllymaa S, Kaivosoja E, Myllymaa K, Sillat T, Korhonen H, Lappalainen R, Konttinen YT. 2010. Journal of materials science: materials in medicine. 21: 329-341 A1 Journal article (refereed), original research
Combined acoustic and electric method for monitoring wood drying process: a review
M. Tiitta, L. Tomppo, R. Lappalainen. 2010. Wood material science and engineering. DOI:10.1080/17480272.2010.483289: 78-83 A1 Journal article (refereed), original research
Enhancement of silicon using micropatterned surfaces of thin films
Kaivosoja E, Myllymaa S, Kouri V-P, Myllymaa K, Lappalainen R, Konttinen YT. 2010. European cells and materials. 19: 147-157 A1 Journal article (refereed), original research
Interactions of human bone cells with diamond-like carbon polymer hybrid coatings
A. Calzado, L. Saldaña, H. Korhonen, A. Soininen, T. J. Kinnari, E. Gómez-Barrena, V-M Tiainen, R. Lappalainen, L. Munuera, Y. T. Konttinen, N. Vilaboa. 2010. Acta biomaterialia. 6(2010): 3325-3338 A1 Journal article (refereed), original research
Labscale fluidized bed granulator instrumented with non-invasive process monitoring devices
Leskinen J, Okkonen M, Toiviainen M, Poutiainen S, Tenhunen M, Teppola P, Lappalainen R, Ketolainen J, Järvinen K.. 2010. Chemical engineering journal. 164: 268-274 A1 Journal article (refereed), original research
Monitoring of swelling of hydrophilic polymer matrix tablets by ultrasound techniques
Leskinen Jari, Hakulinen Mikko Antero, Kuosmanen Marko, Ketolainen Jarkko, Abrahmsén-Alami Susanna, Lappalainen Reijo. 2010. International journal of pharmaceutics. 404: 142-147 A1 Journal article (refereed), original research
Patterned macro-array plates in comparison of tantalum, titanium and chromium to diamond-like carbon for their bacterial adhesion resistance
Levon J, Myllymaa K, Kouri V-P, Rautemaa R, Kinnari T, Myllymaa S, Konttinen YT, Lappalainen R. 2010. Journal of biomedical materials research part a. 92: 1606-1613 A1 Journal article (refereed), original research
Relationship between insertion properties of the screws, density of test blocks and tribological properties of orthopaedic screws
Koistinen A.P., Korhonen H., Kröger H. and Lappalainen R. 2010.
Surface characterization and in vitro biocompatibility assessment of photosensitive polyimide films
Myllymaa S, Myllymaa K, Korhonen H, Lammi MJ, Tiitu V & Reijo Lappalainen. 2010. Colloids and surfaces b: biointerfaces. 76: 505-511 A1 Journal article (refereed), original research
Dielectric spectroscopy of Scots pine
Tomppo L, Tiitta M, Laakso T, Harju A, Venäläinen M, Lappalainen R. 2009. Wood science and technology. 43: 653-667 A1 Journal article (refereed), original research
Effect of locally administered zoledronic acid on injury-induced intramembranous bone regeneration and osseointegration of a titanium implant in rats
Miettinen SSA, Jaatinen J, Pelttari A, Lappalainen R, Mönkkönen J, Venesmaa PK, Kröger HPJ. 2009. Journal of orthopaedic science. 14: 431-436 A1 Journal article (refereed), original research
Electromagnetic and combined methods for wood material characterization
Tiitta M, Tomppo L, Lappalainen R. Teoksessa: (toim.) , 2009. 8th International Conference on Electromagnetic Wave Interaction with Water and Mois Substances, ISEMA-09//Proceedings//. s. 118-123. A4 Conference proceedings
Electromagnetic measurement of green and RH 65 % conditioned wood samples
Tomppo L, Tiitta M, Lappalainen R. Teoksessa: (toim.) , 2009. 8th International Conference on Electromagnetic Wave Interaction with Water and Mois Substances, ISEMA-09//Proceedings//. s. 295-300. A4 Conference proceedings
Fabrication and testing of polyimide-based microelectrode arrays for cortical mapping of evoked potentials
Myllymaa S, Myllymaa K, Korhonen H, Töyräs J, Jääskeläinen JE, Djupsund K, Tanila H, Lappalainen R. 2009. Biosensors and bioelectronics. 24: 3067-3072 A1 Journal article (refereed), original research
Fixation properties of a biodegradable "free-form" osteosynthesis plate with screws with cut-off screw heads: biomechanical evaluation over 26 weeks
Väänänen P, Nurmi J, Lappalainen R, Jank S. 2009. Oral surgery oral medicine oral pathology oral radiology and endodontology. 107: 462-468 A1 Journal article (refereed), original research
Flexible implantable thin film neural electrodes
Myllymaa S, Myllymaa K, Lappalainen R. Teoksessa: Naik GR(toim.) , 2009. Recent Advances in Biomedical Engineering. s. 165-189. In-Teh A3 Book section, Chapters in research books
Improved adherence and spreading of Saos-2 cells on polypropylene surfaces achieved by surface texturing and carbon nitride coating
Myllymaa K, Myllymaa S, Korhonen H, Lammi MJ, Saarenpää H, Suvanto M, Pakkanen TA, Tiitu V, Lappalainen R. 2009. Journal of materials science: materials in medicine. : 2337-2347 A1 Journal article (refereed), original research
Interactions between Saos-2 cells and microtextured amorphous diamond or amorphous diamond hybrid coated surfaces with different wettability properties
Myllymaa K, Myllymaa S, Korhonen H, Lammi MJ, Tiitu V, Lappalainen R. 2009. Diamond and related materials. : 1294-1300 A1 Journal article (refereed), original research
Mikrokuvioinnin vaikutus mesenkymaalisten kantasolujen adheesioon, levittäytymiseen ja luuksi
Kaivosoja E, Myllymaa S, Myllymaa K, Sillat T, Lappalainen R, Konttinen YT. 2009. Suomen Ortopedia ja Traumatologia. 32: 328-336 A1 Journal article (refereed), original research
Piin soluyhteensopivuuden parantaminen mikrokuvioinnilla
Kaivosoja E, Myllymaa S, Kouri V-P, Myllymaa K, Lappalainen R, Konttinen YT. 2009. Suomen Ortopedia ja Traumatologia. 32: 338-346 A1 Journal article (refereed), original research
Spectral and chemical analyses of mould development on Scots pine heartwood
Tiitta M, Tomppo L, Järnström H, Löija M, Laakso T, Harju A, Venäläinen M, Iitti H, Paajanen L, Saranpää P, Lappalainen R, Viitanen H. 2009. . 67: 151-158 A1 Journal article (refereed), original research
Ultrasound evaluation of lathe check depth in birch veneer
Tomppo L, Tiitta M, Lappalainen R. 2009. . 67: 27-35 A1 Journal article (refereed), original research
Biomechanical in vitro evaluation of the effect of cyclic loading on the postoperative fixation stability and degradation of a biodegradable ankle plate
Väänänen P, Koistinen A, Nurmi J, Lappalainen R. 2008. Journal of orthopaedic research. 26: 1485-1488 A1 Journal article (refereed), original research
Determination of batch-to-batch variation for fluidized bed granulation
Matero S, Poutiainen S, Leskinen J, Hakulinen M, Lahtela-Kakkonen M, Ketolainen J, Lappalainen R, Järvinen K & Poso A. 2008. European journal of pharmaceutical sciences
Development of flexible microelectrode arrays for recording cortical surface field potentials
Myllymaa S, Myllymaa K, Korhonen H, Gureviciene I, Djupsund K, Tanila H, Lappalainen R. Teoksessa: (toim.) , 2008. 30th Annual International IEEE EMBS Conference. s. 3200-3203. A4 Conference proceedings
Development of flexible thin film microelectrode arrays for neural recordings
Myllymaa S, Myllymaa K, Korhonen H, Djupsund K, Tanila H, Lappalainen R. Teoksessa: Katashev A, Dekhtyar Y and Spigulis J(toim.) , 2008. 14th Nordic-Baltic Conference on Biomedical Engineering and Medical Physics. s. 286-289. Springer A4 Conference proceedings
Dissolution monitoring of hydrophilic matrix tablets by using frequency information of ultrasound echo
Leskinen J, Hakulinen A, Ketolainen J, Abrahamsen-Alami S, Kuosmanen M and Lappalainen R.. 2008. European journal of pharmaceutical sciences
Ultrasound transmission technique as a potential tool for physical evaluation of monolithic matrix tablets
Hakulinen MA, Pajander J, Leskinen J, Ketolainen J, van Veen B, Niinimäki K, Pirskanen K, Poso A, Lappalainen R. 2008. AAPS PharmSciTech. 9: 267-273 A1 Journal article (refereed), original research
Effect of human trabecular bone composition on its electrical properties
Sierpowska J, Lammi MJ, Hakulinen MA, Jurvelin JS, Lappalainen R, Töyräs J. 2007. Medical engineering and physics. 29: 845-852 A1 Journal article (refereed), original research
Chemical space of orally active compounds
Matero S, Lahtela-Kakkonen M, Korhonen O, Ketolainen J, Lappalainen R, Poso A. 2006. Chemometrics and intelligent laboratory systems. 84: 134-141 A1 Journal article (refereed), original research
Collagen network of articular cartilage modulates fluid flow and mechanical stresses in chondrocyte
Korhonen RK, Julkunen P, Rieppo J, Lappalainen R, Konttinen YT, Jurvelin JS. 2006. Biomechanics and modeling in mechanobiology. 5: 150-159 A1 Journal article (refereed), original research
Expression of ADAM9 (meltrin-y) around aseptically loosened total hip replacement implants
Ma G-F, Liljeström M, Ainola M, Chen T, Tiainen V-M, Lappalainen R, Konttinen YT, Salo J. 2006. Rheumatology. 45: 808-814 A1 Journal article (refereed), original research
Immunohistochemical evaluation of inflammatory mediators in failing implants
Konttinen YT, Ma J, Lappalainen R, Laine P, Kitti U, Santavirta S, Teronen O. 2006. International journal of periodontics and restorative dentistry. 26: 135-141 D1 Article in a trade journal
Interrelationships between electrical proberties and microstructure of human trabecular bone
Sierpowska J, Hakulinen MA, Töyräs J, Day JS, Weinans H, Kiviranta I, Jurvelin JS, Lappalainen R. 2006. Physics in medicine and biology. 51: 5289-5303 A1 Journal article (refereed), original research
Liquid boundary movements in cylindrical and convex hydrophobic matrix tablets: effects on tablet cracking and drug release
Pajander J, van Veen B, Korhonen O, Lappalainen R, Ketolainen J. 2006. European journal of pharmaceutics and biopharmaceutics. 64: 167-172 A1 Journal article (refereed), original research
Pulsed laser deposition with a high average power fiber laser
Amberla T, Rekow M, Köngäs J, Asonen H, Salminen T, Viitanen N, Kulmala M, Vuoristo P, Pessa M, Lappalainen R. Teoksessa: (toim.) , 2006. SVC - 49th Annual Technical Conference Proceedings. s. 79-82. Society of Vacuum Coaters A4 Conference proceedings
Abduktiokulman vaikutus lonkkatekonivelen sementoidun UHMWPE-kupin toimivuuteen
Väänänen P., Koistinen A., Santavirta S.S., Lappalainen R.. Teoksessa: (toim.) , 2005. Finnish Journal Orthopaedics and Traumatology 28(2). s. 168-173. A4 Conference proceedings
Amorphous diamond coatings for biomedical application
Lappalainen R.. Teoksessa: (toim.) , 2005. . s. . A4 Conference proceedings
Effect of bone mineral density and amourphous diamond coatings on insertion torque of bone screws
Koistinen A, Santavirta SS, Kröger H, Lappalainen R, Kröger H. 2005. Biomaterials. 26: 5687-5694 A1 Journal article (refereed), original research
Effect of different surface conditions of cemented femoral stem-shaped metallic pins on subsidence in cyclic fatique testing
Kawaiji H., Koistinen A., Ogino T., Takagi M., Santavirta S.S., Kobayashi S., Lappalainen R.. Teoksessa: (toim.) , 2005. Tohoku Archives of Orthopaedic Surgery and Traumatology. s. . A4 Conference proceedings
Effect of superficial implants on absorption of electromagnetic field from a mobile phone
Virtanen H., Huttunen J, Toropainen A., Lappalainen R.. 2005. Physics in medicine and biology. 50: 689-700 A1 Journal article (refereed), original research
Effect of surface condition of metallic pins simulating cemented femoral stem on subsidence in cyclic fatique testing
Kawaji H., Koistinen A., Takagi M., Lappalainen R., Santavirta S.S.. Teoksessa: (toim.) , 2005. Finnish Journal Orthopaedics and Traumatology 28(2). s. 161-166. A4 Conference proceedings
Fundamentals and current knowledge of biomaterials in joint arthroplasty
Lappalainen R.. Teoksessa: (toim.) , 2005. 103th Annual Meeting of Tohoku Orthopaedics and Traumatology Association. s. . A4 Conference proceedings
Interaction of mobile phones with superficial passive metallic implants
Virtanen H, Huttunen J, Toropainen A, Lappalainen R. 2005. Physics in medicine and biology. : 2689-2700 A1 Journal article (refereed), original research
Potential of coatings in total hip replacement
Lappalainen R, Santavirta SS. 2005. Clinical orthopaedics and related research. : 72-79 A1 Journal article (refereed), original research
Prediction of mechanical properties of human trabecular bone by electrical measurements
Sierpowska J, Hakulinen MA, Töyräs J, Day JS, Weinans H, Jurvelin JS, Lappalainen R. 2005. Physiological measurement. 26: S119-S131 A1 Journal article (refereed), original research
The effect of geometry and abduction angle on the stresses in cemented UHMWPE acetabular cups - finite element simulations and experimental tests
Korhonen RK, Koistinen A, Konttinen YT, Santavirta SS, Lappalainen R. 2005. Biomedical engineering online. 4: A1 Journal article (refereed), original research
The effect of powder blend and tablet structure on drug release mechanisms of hydrophobic starch acetate matrix tablets
van Veen B , Pajander J, Zuurman K, Lappalainen R, Poso A, Frijlink HW, Ketolainen J. 2005. European journal of pharmaceutics and biopharmaceutics. 61: 149-157 A1 Journal article (refereed), original research
Wear simulation of five most commonly used THR implants in Finland
Selenius M., Santavirta S.S., Lappalainen R.. Teoksessa: (toim.) , 2005. Finnish Journal Orthopaedics and Traumatology 28(2). s. 156-160. A4 Conference proceedings
Preparation of powdered carbon nitride C3N4
Arif Mohammad, Blinov L, Lappalainen R, Filippov S.N. 2004. Glass physics and chemistry. 30: 573-575 D1 Article in a trade journal
Proteoglycan and collagen sensitive MRI evaluation of normal and degenerated articular cartilage
Nissi MJ, Töyräs J, Laasanen MS, Rieppo J, Saarakkala S, Lappalainen R, Jurvelin JS, Nieminen MT. 2004. Journal of orthopaedic research. 22: 557-564 A1 Journal article (refereed), original research
Ultrasonic quantitation of superficial degradation of articular cartilage
Saarakkala S, Töyräs J, Hirvonen J, Laasanen MS, Lappalainen R, Jurvelin JS. 2004. Ultrasound in medicine and biology. 30: 783-792 A1 Journal article (refereed), original research
Alternative materials to improve total hip replacement tribology
Santavirta S, Böhler M, Harris WH, Konttinen YT, Lappalainen R, Muratoglu O, Rieker C, Salzer M. 2003. Acta orthopaedica. 74: 380-388 A1 Journal article (refereed), original research
Apparatus to test insertion and removal torque of bone screws
Koistinen A, Santavirta S, Lappalainen R. 2003. Proceedings of the institution of mechanical engineers part h: journal of engineering in medicine. 217: 503-8 A1 Journal article (refereed), original research
Electrical and dielectric properties of bovine trabecular bone - relationship with mechanical properties and mineral density
Sierpowska J, Töyräs J, Hakulinen MA, Saarakkala S, Jurvelin JS, Lappalainen R. 2003. Physics in medicine and biology. 48: 775-786 A1 Journal article (refereed), original research
Fibril reinforced poroelastic model predicts specifically mechanical behavior of normal, proteoglycan depleted and collagen degraded articular cartilage
Korhonen RK, Laasanen MS, Töyräs J, Lappalainen R, Helminen HJ, Jurvelin JS. 2003. Journal of biomechanics. 36: 1373-1379 A1 Journal article (refereed), original research
Reduction of wear in total hip replacement prostheses by amorphous diamond coatings
Lappalainen R, Selenius M, Anttila A, Konttinen YT, Santavirta SS. 2003. Journal of biomedical materials research part b: applied biomaterials. 66B: 410-413 A1 Journal article (refereed), original research
Speed of sound in normal and degenerated bovine articular cartilage
Töyräs J, Laasanen MS, Saarakkala S, Lammi MJ, Rieppo J, Kurkijärvi J, Lappalainen R, Jurvelin JS. 2003. Ultrasound in medicine and biology. 29: 447-454 A1 Journal article (refereed), original research
Tantalum as a buffer layer in diamond-like carbon coated artificial hip joints
Kiuru M, Alakoski E, Tiainen VM, Lappalainen R, Anttila A. 2003. Journal of biomedical materials research part b: applied biomaterials. 66B: 425-428 A1 Journal article (refereed), original research
Ultrasound indentation of normal and spontaneously degenerated bovine articular cartilage
Saarakkala S, Laasanen MS, Jurvelin JS, Törrönen K, Lammi MJ, Lappalainen R, Töyräs J. 2003. Osteoarthritis and cartilage. 11: 697-705 A1 Journal article (refereed), original research
Detection of faults in resistive coatings with an impedance-tomography-related approach
Vilhunen T, Heikkinen LM, Savolainen T, Vauhkonen PJ, Lappalainen R, Kaipio JP, Vauhkonen M. 2002. Measurement science and technology. 13: 865-872 A1 Journal article (refereed), original research
Protection of industrial sensors with ta-C
Tiainen V-M, Lappalainen R, Anttila A. 2002. Vacuum. 67: 599-604 A1 Journal article (refereed), original research
Acid attact and cathepsin K in bone resorption around total hip replacement prosthesis
Konttinen YT, Takagi M, Mandelin J, Lassus J, Salo J, Ainola M, Li T-F, Virtanen I, Liljeström M, Sakai H, Kobayashi Y, Sorsa T, Lappalainen R, Demulder A, Santavirta S. 2001. Journal of bone and mineral research. 16: 1780-1786 A1 Journal article (refereed), original research
Multi-laboratory simulator studies on effects of serum proteins on PTFE cup wear
Clarke IC, Chan FW, Essner A, Good V, Kaddick C, Lappalainen R, Laurent M, McKellop H, McGarry W, Schroeder D, Selenius M, Shen MC, Ueno M, Wang A, Yao J. 2001. Wear. 250: 188-198 A1 Journal article (refereed), original research
Biomateriaalien käyttö lonkan tekonivelissä - komponenttien kiinnitysmateriaalit: osa 2
Waris V, Waris P, Santavirta S, Waris E, Nevalainen J, Salo J, Lappalainen R, Anttila A, Konttinen YT. 2000. Lääkärilehti. 55: 2435-2440 A2 Review article, Literature review, Systematic review
Biomateriaalien käyttö lonkan tekonivelissä - komponenttien materiaalit: osa 1
Waris V, Waris P, Santavirta S, Waris E, Nevalainen J, Lassus J, Lappalainen R, Anttila A, Konttinen YT. 2000. Lääkärilehti. 55: 2313-2322 A2 Review article, Literature review, Systematic review
Ortopediassa käytettäville biomateriaaleille asetettavat vaatimukset
Törmälä P, Santavirta S, Rokkanen P, Könönen M, Kivilahti J, Anttila A, Lappalainen R, Tulamo R-M, Nevalainen J, Konttinen YT. 2000. Lääkärilehti. 55: 2307-2311 A2 Review article, Literature review, Systematic review
Superiority of diamondlike carbon coating on articulating surfaces of artificial hip joints
Anttila A, Lappalainen R, Heinonen H, Santavirta S, Konttinen YT. 1999. New diamond and frontier carbon technology. 9: 283-288 A1 Journal article (refereed), original research
The counterface, surface smoothness, tolerances, and coatings in total joint prostheses
Santavirta SS, Lappalainen R, Pekko P, Anttila A, Konttinen YT. 1999. Clinical orthopaedics and related research. 369: 92-102 A1 Journal article (refereed), original research

University of Eastern Finland Joensuu, Kuopio © University of Eastern Finland

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Reijo Lappalainen

Research groups

Projects

17O NMR spectroscopy protocol for the determination of water content in liquids produced by pyrolysis and hydrothermal liquefaction

Accuracy of Dental Restorations Fabricated Using Milling vs 3D-Printed Molds: A Pilot Study

Characterization and antifungal properties against wood decaying fungi of hydrothermal liquefaction liquids from spent mushroom substrate and tomato residues

Experimental Comparison of Thin Film Surfaces to Detect Oral Salivary Biomarkers by Surface-Enhanced Raman Spectroscopy

Hydrothermal liquefaction of spent mushroom substrate as a source of antifungals

Improving coarse-textured mineral soils with pulp and paper mill sludges: Functional considerations at laboratory scale

Novel 3D printed probe for bioimpedance spectroscopic measurement of oral mucosa: design and testing with ex vivo porcine oral tissues

Production of graphitic carbons from plant-based SiC/C nanocomposites for Li-ion batteries

Valorization potential of the aqueous products from hydrothermal liquefaction and stepwise slow pyrolysis of wood bark and hemp hurds with yields and product comparison

Bioprocess development of 2, 3-butanediol production using agro-industrial residues

Bond quality of poplar plywood reinforced with hemp fibers and lignin-phenolic adhesives

Metsäteollisuuden kuitulietteiden peltoviljelykäyttö karkeilla kivennäismailla

Slow pyrolysis processing of industrial hemp by-products

A Comparative Study of Pyrolysis Liquids by Slow Pyrolysis of Industrial Hemp Leaves, Hurds and Roots

Biotisleistä apua metsäpuutaimituotannon tauti- ja tuho-ongelmiin

Feasibility of Near-Infrared Spectroscopy for Identification of L-Fucose and L-Proline - Towards Detecting Cancer Biomarkers from Saliva

Joint bearing surfaces and replacement joint design

Low-Dose Doxycycline Treatment Normalizes Levels of Some Salivary Metabolites Associated with Oral Microbiota in Patients with Primary Sjögren's Syndrome

Monialaista jatkuvaa oppimista biotaloudessa

Plant-based nanostructured silicon carbide modified with bisphosphonates for metal adsorption

Syljen metaboliittien vaihtelu Sjögrenin oireyhtymäpotilailla

Air-coupled ultrasound detection of natural defects in wood using ferroelectret and piezoelectric sensors

Bio-based wood preservatives: Their efficiency, leaching and ecotoxicity compared to a commercial wood preservative

Classification of Wood Chips Using Electrical Impedance Spectroscopy and Machine Learning

Complementary chemical characterization of distillates obtained from industrial hemp hurds by thermal processing

Cost-effective FTIR and 1H NMR spectrometry used to screen valuable molecules extracted from selected West African trees by a sustainable biochar process

Effects of two-year weather exposure on thermally modified Picea abies, Pi nus sylvestris, and Fraxinus excelsior wood

Novel 3D printing-based probe for impedance spectroscopic examination of oral mucosa: design and preliminary testing with phantom models

Synthesis of graphene-like carbon from agricultural side stream with magnesiothermic reduction coupled with atmospheric pressure induction annealing

Variability of salivary metabolite levels in patients with Sjögren's syndrome

Accuracy of inlay and onlay restorations based on 3D printing or milling technique - a pilot study

Bioimpedance spectroscopy and spectral camera techniques in detection of oral mucosal diseases: a narrative review of the state-of-the-art

Casein-magnesium composite as an intumescent fire retardant coating for wood

Effect of steam treatment on the chemical composition of hemp (Cannabis sativa L.) and identification of the extracted carbohydrates and other compounds

Fotoniikasta valoa Suomen hyvinvointiin: Selvitys alan vaikuttavuudesta ja kasvunäkymistä

Polysomnographic scoring of sleep bruxism events is accurate even in the absence of video recording but unreliable with EMG-only setups

Concentric Ring Probe for Bioimpedance Spectroscopic Measurements: Design and Ex Vivo Feasibility Testing on Pork Oral Tissues

Improvements in the thread cutting torque for a 6082-T6 aluminum-based alloy with tapping tools utilizing diamond coating

Potential role of nuclear magnetic resonance spectroscopy to identify salivary metabolite alterations in patients with head and neck cancer

Pyrolysis distillates from tree bark and fibre hemp inhibit the growth of wood-decaying fungi

The effect of moisture content on electrical impedance spectroscopy response of natural fibre-polymer composite granules

At-home quantification of sleep characteristics with self-applicable facial electrode set

Modification of hemp fibers (Cannabis Sativa L.) for composite applications

Optically transparent and durable Al2O3 coatings for harsh environments by ultra short pulsed laser deposition

Screen-printed ambulatory electrode set enables accurate diagnostics of sleep bruxism

Success Rate and Technical Quality of Home Polysomnography with Self-Applicable Electrode Set in Subjects with Possible Sleep Bruxism

A rapid technique for monitoring volatile organic compound emissions from wood-plastic composites

Assessment of the suitability of using a forehead EEG electrode set and chin EMG electrodes for sleep staging in polysomnography

Behavior of Human Bone Marrow-Derived Mesenchymal Stem Cells on Various Titanium-Based Coatings

Fourier transform infrared spectroscopy and photoacoustic spectroscopy for saliva analysis

Improved multilayer coatings by combined use of electrochemical and ultra-short pulsed laser deposition techniques

Improving the properties of wood-plastic composite through addition of hardwood pyrolysis liquid

Predicting the bending properties of air dried and modified Populus tremula L. wood using combined air-coupled ultrasound and electrical impedance spectroscopy

Softwood Distillate as a Bio-Based Additive in Wood-Plastic Composites

Utilization of agricultural and forest industry waste and residues in natural fiber-polymer composites: A review

A Handy EEG Electrode Set for patients suffering from altered mental state

Biomechanical evaluation of bone screw fixation with a novel bone cement

Effects of slow pyrolysis derived birch distillate on the properties of wood-plastic composites

Salivary metabolomics in the diagnosis of oral cancer and periodontal diseases

Air-coupled ultrasound and electrical impedance analyses of normally dried and thermally modified Scots pine (Pinus sylvestris)

Arrangement and method for carrying out electrode measurements

Back-side wear in HexLoc cups clinico-radiological, immunohistopathological, finite element and retrieval analysis studies

Development of novel electroplating tank layout by computer simulations and verification tests

Interfacial sliding properties of bone screw materials and their effect on screw fixation strength

Screen-printed EEG electrode set for emergency use

Shielded design of screen-printed EEG electrode set reduces interference pick-up

IMPROVEMENTS IN THE SURFACE CHARACTERISTICS OF STAINLESS STEEL WORKPIECES BY BURNISHING WITH AN AMORPHOUS DIAMOND-COATED TIP

Improved multilayer coatings by combined use of electrochemical and ultra-short pulsed laser deposition techniques

Liquid silicone rubber (LSR)-based dry bioelectrodes: The effect of surface micropillar structuring and silver coating on contact impedance

Metabolic Profiling of Saliva in Patients with Primary Sjögren's syndrome

New disposable forehead electrode set with excellent signal quality and imaging compatibility

Novel screen printed electrode set for routine EEG recordings in patients with altered mental status

Osteoblast behavior on various ultra short pulsed laser deposited surface coatings

TiO2 coating promotes mesenchymal stem cell proliferation without the loss of their capacity for chondrogenic differentiation

Adhesion and spreading of different skeletal cell types on variable surface coatings

Enhanced bone screw fixation with biodegradable bone cement in osteoporotic bone model