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Showing 1 to 12 of 16 entries
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Profiling of hot surfaces by pulsed time-of-flight laser range finder techniques.

Applied optics

Määtta K, Kostamovaara J, Myllylä R.
PMID: 20856343
Appl Opt. 1993 Sep 20;32(27):5334-47. doi: 10.1364/AO.32.005334.

The possibilities for using the pulsed time-of-flight (TOF) laser radar technique for hot refractory lining measurements are examined, and formulas are presented for calculating the background radiation collected, the achievable signal-to-noise ratio (SNR), and the measurement resolution. An experimental...

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Määtta K, Kostamovaara J, Myllylä R. Profiling of hot surfaces by pulsed time-of-flight laser range finder techniques. Appl Opt. 1993;32(27):5334-47doi: 10.1364/AO.32.005334.
Määtta, K., Kostamovaara, J., & Myllylä, R. (1993). Profiling of hot surfaces by pulsed time-of-flight laser range finder techniques. Applied optics, 32(27), 5334-47. https://doi.org/10.1364/AO.32.005334
Määtta, K, et al. "Profiling of hot surfaces by pulsed time-of-flight laser range finder techniques." Applied optics vol. 32,27 (1993): 5334-47. doi: https://doi.org/10.1364/AO.32.005334
Määtta K, Kostamovaara J, Myllylä R. Profiling of hot surfaces by pulsed time-of-flight laser range finder techniques. Appl Opt. 1993 Sep 20;32(27):5334-47. doi: 10.1364/AO.32.005334. PMID: 20856343.
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Blood pressure wave propagation-a multisensor setup for cerebral autoregulation studies.

Physiological measurement

Zienkiewicz A, Favre M, Ferdinando H, Iring S, Serrador J, Myllylä T.
PMID: 34731844
Physiol Meas. 2021 Dec 28;42(11). doi: 10.1088/1361-6579/ac3629.

No abstract available.

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Zienkiewicz A, Favre M, Ferdinando H, et al. Blood pressure wave propagation-a multisensor setup for cerebral autoregulation studies. Physiol Meas. 2021;42(11)doi: 10.1088/1361-6579/ac3629.
Zienkiewicz, A., Favre, M., Ferdinando, H., Iring, S., Serrador, J., & Myllylä, T. (2021). Blood pressure wave propagation-a multisensor setup for cerebral autoregulation studies. Physiological measurement, 42(11), . https://doi.org/10.1088/1361-6579/ac3629
Zienkiewicz, Aleksandra, et al. "Blood pressure wave propagation-a multisensor setup for cerebral autoregulation studies." Physiological measurement vol. 42,11 (2021). doi: https://doi.org/10.1088/1361-6579/ac3629
Zienkiewicz A, Favre M, Ferdinando H, Iring S, Serrador J, Myllylä T. Blood pressure wave propagation-a multisensor setup for cerebral autoregulation studies. Physiol Meas. 2021 Dec 28;42(11). doi: 10.1088/1361-6579/ac3629. PMID: 34731844.
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Effects of pregnancy on mothers' sleep.

Sleep medicine

Hedman C, Pohjasvaara T, Tolonen U, Suhonen-Malm AS, Myllylä VV.
PMID: 14592252
Sleep Med. 2002 Jan;3(1):37-42. doi: 10.1016/s1389-9457(01)00130-7.

OBJECTIVES: To survey the effects of pregnancy on mothers' sleep.METHODS: Mothers were interviewed during and after pregnancy with a series of five questionnaires to assess alterations in their sleep. The first questionnaire covered the 3 months before becoming pregnant,...

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Hedman C, Pohjasvaara T, Tolonen U, et al. Effects of pregnancy on mothers' sleep. Sleep Med. 2002;3(1):37-42doi: 10.1016/s1389-9457(01)00130-7.
Hedman, C., Pohjasvaara, T., Tolonen, U., Suhonen-Malm, A. S., & Myllylä, V. V. (2002). Effects of pregnancy on mothers' sleep. Sleep medicine, 3(1), 37-42. https://doi.org/10.1016/s1389-9457(01)00130-7
Hedman, C, et al. "Effects of pregnancy on mothers' sleep." Sleep medicine vol. 3,1 (2002): 37-42. doi: https://doi.org/10.1016/s1389-9457(01)00130-7
Hedman C, Pohjasvaara T, Tolonen U, Suhonen-Malm AS, Myllylä VV. Effects of pregnancy on mothers' sleep. Sleep Med. 2002 Jan;3(1):37-42. doi: 10.1016/s1389-9457(01)00130-7. PMID: 14592252.
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Tailoring the excitation of fundamental flexural guide waves in coated bone by phase-delayed array: two-dimensional simulations.

The Journal of the Acoustical Society of America

Kilappa V, Moilanen P, Salmi A, Haeggström E, Zhao Z, Myllylä R, Timonen J.
PMID: 25786929
J Acoust Soc Am. 2015 Mar;137(3):1134-43. doi: 10.1121/1.4908312.

The fundamental flexural guided wave (FFGW) enables ultrasonic assessment of cortical bone thickness. In vivo, it is challenging to detect this mode, as its power ratio with respect to disturbing ultrasound is reduced by soft tissue covering the bone....

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Kilappa V, Moilanen P, Salmi A, et al. Tailoring the excitation of fundamental flexural guide waves in coated bone by phase-delayed array: two-dimensional simulations. J Acoust Soc Am. 2015;137(3):1134-43doi: 10.1121/1.4908312.
Kilappa, V., Moilanen, P., Salmi, A., Haeggström, E., Zhao, Z., Myllylä, R., & Timonen, J. (2015). Tailoring the excitation of fundamental flexural guide waves in coated bone by phase-delayed array: two-dimensional simulations. The Journal of the Acoustical Society of America, 137(3), 1134-43. https://doi.org/10.1121/1.4908312
Kilappa, Vantte, et al. "Tailoring the excitation of fundamental flexural guide waves in coated bone by phase-delayed array: two-dimensional simulations." The Journal of the Acoustical Society of America vol. 137,3 (2015): 1134-43. doi: https://doi.org/10.1121/1.4908312
Kilappa V, Moilanen P, Salmi A, Haeggström E, Zhao Z, Myllylä R, Timonen J. Tailoring the excitation of fundamental flexural guide waves in coated bone by phase-delayed array: two-dimensional simulations. J Acoust Soc Am. 2015 Mar;137(3):1134-43. doi: 10.1121/1.4908312. PMID: 25786929.
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Blood pressure wave propagation - a multisensor setup for cerebral autoregulation studies.

Physiological measurement

Zienkiewicz A, Favre M, Ferdinando H, Iring S, Serrador J, Myllylä T.
PMID: 34731844
Physiol Meas. 2021 Nov 03; doi: 10.1088/1361-6579/ac3629. Epub 2021 Nov 03.

OBJECTIVE: Cerebral autoregulation is critically important to maintain proper brain perfusion and supply the brain with oxygenated blood. Non-invasive measures of blood pressure (BP) are critical in assessing cerebral autoregulation. Wave propogation velocity may be a useful technique to...

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Zienkiewicz A, Favre M, Ferdinando H, et al. Blood pressure wave propagation - a multisensor setup for cerebral autoregulation studies. Physiol Meas. 2021;doi: 10.1088/1361-6579/ac3629.
Zienkiewicz, A., Favre, M., Ferdinando, H., Iring, S., Serrador, J., & Myllylä, T. (2021). Blood pressure wave propagation - a multisensor setup for cerebral autoregulation studies. Physiological measurement, . https://doi.org/10.1088/1361-6579/ac3629
Zienkiewicz, Aleksandra, et al. "Blood pressure wave propagation - a multisensor setup for cerebral autoregulation studies." Physiological measurement vol. (2021). doi: https://doi.org/10.1088/1361-6579/ac3629
Zienkiewicz A, Favre M, Ferdinando H, Iring S, Serrador J, Myllylä T. Blood pressure wave propagation - a multisensor setup for cerebral autoregulation studies. Physiol Meas. 2021 Nov 03; doi: 10.1088/1361-6579/ac3629. Epub 2021 Nov 03. PMID: 34731844.
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Distribution of perfluoroalkyl acids in fish species from the Baltic Sea and freshwaters in Finland.

Chemosphere

Kumar E, Koponen J, Rantakokko P, Airaksinen R, Ruokojärvi P, Kiviranta H, Vuorinen PJ, Myllylä T, Keinänen M, Raitaniemi J, Mannio J, Junttila V, Nieminen J, Venäläinen ER, Jestoi M.
PMID: 34718016
Chemosphere. 2021 Oct 27;132688. doi: 10.1016/j.chemosphere.2021.132688. Epub 2021 Oct 27.

Occurrence and distribution of perfluoroalkyl acids (PFAAs), a sub-category of per- and polyfluoroalkyl substances (PFASs), is widespread in the environment. Food, especially fish meat, is a major pathway via which humans are exposed to PFAAs. As fish is an...

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Kumar E, Koponen J, Rantakokko P, et al. Distribution of perfluoroalkyl acids in fish species from the Baltic Sea and freshwaters in Finland. Chemosphere. 2021;132688doi: 10.1016/j.chemosphere.2021.132688.
Kumar, E., Koponen, J., Rantakokko, P., Airaksinen, R., Ruokojärvi, P., Kiviranta, H., Vuorinen, P. J., Myllylä, T., Keinänen, M., Raitaniemi, J., Mannio, J., Junttila, V., Nieminen, J., Venäläinen, E. R., & Jestoi, M. (2021). Distribution of perfluoroalkyl acids in fish species from the Baltic Sea and freshwaters in Finland. Chemosphere, 132688. https://doi.org/10.1016/j.chemosphere.2021.132688
Kumar, Eva, et al. "Distribution of perfluoroalkyl acids in fish species from the Baltic Sea and freshwaters in Finland." Chemosphere vol. (2021): 132688. doi: https://doi.org/10.1016/j.chemosphere.2021.132688
Kumar E, Koponen J, Rantakokko P, Airaksinen R, Ruokojärvi P, Kiviranta H, Vuorinen PJ, Myllylä T, Keinänen M, Raitaniemi J, Mannio J, Junttila V, Nieminen J, Venäläinen ER, Jestoi M. Distribution of perfluoroalkyl acids in fish species from the Baltic Sea and freshwaters in Finland. Chemosphere. 2021 Oct 27;132688. doi: 10.1016/j.chemosphere.2021.132688. Epub 2021 Oct 27. PMID: 34718016.
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Light transmission model for determination of the refractive index of solid particles in suspensions: an immersion study.

Applied spectroscopy

Räty J, Niskanen I, Myllylä R, Peiponen KE.
PMID: 21513600
Appl Spectrosc. 2011 May;65(5):557-60. doi: 10.1366/10-06148.

We report on a model to determine the light transmission of solid particles in immersion liquids. Using the model, optical and physical properties of suspensions such as the refractive index of the particles can be retrieved. The model can...

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Räty J, Niskanen I, Myllylä R, et al. Light transmission model for determination of the refractive index of solid particles in suspensions: an immersion study. Appl Spectrosc. 2011;65(5):557-60doi: 10.1366/10-06148.
Räty, J., Niskanen, I., Myllylä, R., & Peiponen, K. E. (2011). Light transmission model for determination of the refractive index of solid particles in suspensions: an immersion study. Applied spectroscopy, 65(5), 557-60. https://doi.org/10.1366/10-06148
Räty, Jukka, et al. "Light transmission model for determination of the refractive index of solid particles in suspensions: an immersion study." Applied spectroscopy vol. 65,5 (2011): 557-60. doi: https://doi.org/10.1366/10-06148
Räty J, Niskanen I, Myllylä R, Peiponen KE. Light transmission model for determination of the refractive index of solid particles in suspensions: an immersion study. Appl Spectrosc. 2011 May;65(5):557-60. doi: 10.1366/10-06148. PMID: 21513600.
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Multiparameter measurement of absorbing liquid by time-resolved photoacoustics.

Applied optics

Zhao Z, Myllylä R.
PMID: 22410983
Appl Opt. 2012 Mar 10;51(8):1061-6. doi: 10.1364/AO.51.001061.

Measuring constituent concentrations of processing liquids provides highly useful data for industrial process control. Techniques that allow online measurement will greatly save resources and energy, making them highly attractive for enterprises. In this paper, we develop a technique based...

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Zhao Z, Myllylä R. Multiparameter measurement of absorbing liquid by time-resolved photoacoustics. Appl Opt. 2012;51(8):1061-6doi: 10.1364/AO.51.001061.
Zhao, Z., & Myllylä, R. (2012). Multiparameter measurement of absorbing liquid by time-resolved photoacoustics. Applied optics, 51(8), 1061-6. https://doi.org/10.1364/AO.51.001061
Zhao, Zuomin, and Myllylä, Risto. "Multiparameter measurement of absorbing liquid by time-resolved photoacoustics." Applied optics vol. 51,8 (2012): 1061-6. doi: https://doi.org/10.1364/AO.51.001061
Zhao Z, Myllylä R. Multiparameter measurement of absorbing liquid by time-resolved photoacoustics. Appl Opt. 2012 Mar 10;51(8):1061-6. doi: 10.1364/AO.51.001061. PMID: 22410983.
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Wettability characterization method based on optical coherence tomography imaging.

Optics express

Fabritius T, Myllylä R, Makita S, Yasuno Y.
PMID: 21164625
Opt Express. 2010 Oct 25;18(22):22859-66. doi: 10.1364/OE.18.022859.

A novel method for surface wetting characterization based on contact angle measurements is presented. Three dimensional structural imaging of a droplet on a substrate is performed using optical coherence tomography (OCT) which provides micrometer resolution images without contact with...

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Fabritius T, Myllylä R, Makita S, et al. Wettability characterization method based on optical coherence tomography imaging. Opt Express. 2010;18(22):22859-66doi: 10.1364/OE.18.022859.
Fabritius, T., Myllylä, R., Makita, S., & Yasuno, Y. (2010). Wettability characterization method based on optical coherence tomography imaging. Optics express, 18(22), 22859-66. https://doi.org/10.1364/OE.18.022859
Fabritius, Tapio, et al. "Wettability characterization method based on optical coherence tomography imaging." Optics express vol. 18,22 (2010): 22859-66. doi: https://doi.org/10.1364/OE.18.022859
Fabritius T, Myllylä R, Makita S, Yasuno Y. Wettability characterization method based on optical coherence tomography imaging. Opt Express. 2010 Oct 25;18(22):22859-66. doi: 10.1364/OE.18.022859. PMID: 21164625.
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Evaluation of Heart Rate Variation Analysis during Rest and Tilting in Patients with Temporal Lobe Epilepsy.

Neurology research international

Ansakorpi H, Korpelainen JT, Suominen K, Tolonen U, Bloigu R, Myllylä VV, Isojärvi JI.
PMID: 21789280
Neurol Res Int. 2011;2011:829365. doi: 10.1155/2011/829365. Epub 2011 Jul 14.

Objective. To evaluate spectral heart rate (HR) variation using short-term ECG recordings at rest and during the tilt table test. Methods. The values of spectral components of total power (TP), high-frequency power (HF), low-frequency power (LF) and LF: HF...

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Ansakorpi H, Korpelainen JT, Suominen K, et al. Evaluation of Heart Rate Variation Analysis during Rest and Tilting in Patients with Temporal Lobe Epilepsy. Neurol Res Int. 2011;2011:829365doi: 10.1155/2011/829365.
Ansakorpi, H., Korpelainen, J. T., Suominen, K., Tolonen, U., Bloigu, R., Myllylä, V. V., & Isojärvi, J. I. (2011). Evaluation of Heart Rate Variation Analysis during Rest and Tilting in Patients with Temporal Lobe Epilepsy. Neurology research international, 2011829365. https://doi.org/10.1155/2011/829365
Ansakorpi, Hanna, et al. "Evaluation of Heart Rate Variation Analysis during Rest and Tilting in Patients with Temporal Lobe Epilepsy." Neurology research international vol. 2011 (2011): 829365. doi: https://doi.org/10.1155/2011/829365
Ansakorpi H, Korpelainen JT, Suominen K, Tolonen U, Bloigu R, Myllylä VV, Isojärvi JI. Evaluation of Heart Rate Variation Analysis during Rest and Tilting in Patients with Temporal Lobe Epilepsy. Neurol Res Int. 2011;2011:829365. doi: 10.1155/2011/829365. Epub 2011 Jul 14. PMID: 21789280; PMCID: PMC3140779.
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Influence of titanium dioxide nanoparticles on skin surface temperature at sunlight irradiation.

Biomedical optics express

Krasnikov I, Popov A, Seteikin A, Myllylä R.
PMID: 22162818
Biomed Opt Express. 2011 Dec 01;2(12):3278-83. doi: 10.1364/BOE.2.003278. Epub 2011 Nov 09.

In this paper, we report about simulated distribution of density of absorbed light energy within human skin following light illumination with a combination of three wavelengths (310, 514 and 800 nm) with ratios similar to ultraviolet, visible and infrared...

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Krasnikov I, Popov A, Seteikin A, et al. Influence of titanium dioxide nanoparticles on skin surface temperature at sunlight irradiation. Biomed Opt Express. 2011;2(12):3278-83doi: 10.1364/BOE.2.003278.
Krasnikov, I., Popov, A., Seteikin, A., & Myllylä, R. (2011). Influence of titanium dioxide nanoparticles on skin surface temperature at sunlight irradiation. Biomedical optics express, 2(12), 3278-83. https://doi.org/10.1364/BOE.2.003278
Krasnikov, I, et al. "Influence of titanium dioxide nanoparticles on skin surface temperature at sunlight irradiation." Biomedical optics express vol. 2,12 (2011): 3278-83. doi: https://doi.org/10.1364/BOE.2.003278
Krasnikov I, Popov A, Seteikin A, Myllylä R. Influence of titanium dioxide nanoparticles on skin surface temperature at sunlight irradiation. Biomed Opt Express. 2011 Dec 01;2(12):3278-83. doi: 10.1364/BOE.2.003278. Epub 2011 Nov 09. PMID: 22162818; PMCID: PMC3233247.
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Roughened glass slides and a spectrophotometer for the detection of the wavelength-dependent refractive index of transparent liquids.

Applied spectroscopy

Niskanen I, Räty J, Myllylä R, Sutinen V, Matsuda K, Homma K, Silfsten P, Peiponen KE.
PMID: 22709579
Appl Spectrosc. 2012 Jul;66(7):786-90. doi: 10.1366/11-06559. Epub 2012 Jun 15.

We describe a method to determine the wavelength-dependent refractive index of liquids by measurement of light transmittance with a spectrophotometer. The method is based on using roughened glass slides with different a priori known refractive indices and immersing the...

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Niskanen I, Räty J, Myllylä R, et al. Roughened glass slides and a spectrophotometer for the detection of the wavelength-dependent refractive index of transparent liquids. Appl Spectrosc. 2012;66(7):786-90doi: 10.1366/11-06559.
Niskanen, I., Räty, J., Myllylä, R., Sutinen, V., Matsuda, K., Homma, K., Silfsten, P., & Peiponen, K. E. (2012). Roughened glass slides and a spectrophotometer for the detection of the wavelength-dependent refractive index of transparent liquids. Applied spectroscopy, 66(7), 786-90. https://doi.org/10.1366/11-06559
Niskanen, Ilpo, et al. "Roughened glass slides and a spectrophotometer for the detection of the wavelength-dependent refractive index of transparent liquids." Applied spectroscopy vol. 66,7 (2012): 786-90. doi: https://doi.org/10.1366/11-06559
Niskanen I, Räty J, Myllylä R, Sutinen V, Matsuda K, Homma K, Silfsten P, Peiponen KE. Roughened glass slides and a spectrophotometer for the detection of the wavelength-dependent refractive index of transparent liquids. Appl Spectrosc. 2012 Jul;66(7):786-90. doi: 10.1366/11-06559. Epub 2012 Jun 15. PMID: 22709579.
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