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  • PL 55 (A. I. Virtasen aukio 1)

    00014

    Finland

20012019
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Publications 2001 2019

  • 34 Article
  • 3 Conference contribution
  • 1 Doctoral Thesis
2019

Broadband photoacoustic spectroscopy of 14CH4 with a high-power mid-infrared optical frequency comb

Karhu, J., Tomberg, T., Senna Vieira, F., Genoud, G., Hänninen, V., Vainio, M., Metsälä, M., Hieta, T., Bell, S. & Halonen, L., 1 Mar 2019, In : Optics Letters. 44, 5, p. 1142-1145 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
2018

Effect of moisture on the adsorption of ammonia

Vaittinen, O., Metsälä, M., Halonen, L., Persijn, S., Leuenberger, D. & Niederhauser, B., Sep 2018, In : Applied physics. B, Lasers and optics. 124, 9, 8 p., 189.

Research output: Contribution to journalArticleScientificpeer-review

Laser spectroscopy for breath analysis: towards clinical implementation

Henderson, B., Khodabakhsh, A., Metsälä, M., Ventrillard, I., Schmidt, F. M., Romanini, D., Ritchie, G. A. D., te Lintel Hekkert, S., Briot, R., Risby, T., Marczin, N., Harren, F. J. M. & Cristescu, S. M., Aug 2018, In : Applied physics. B, Lasers and optics. 124, 8, 21 p., 161.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Optical techniques for breath analysis: from single to multi-species detection

Metsälä, M., Apr 2018, In : Journal of Breath Research. 12, 2, 6 p., 027104.

Research output: Contribution to journalArticleScientificpeer-review

Reduction of F-ENO by tap water and carbonated water mouthwashes: magnitude and time course

Lassmann-Klee, P. G., Lindholm, T., Metsälä, M., Halonen, L., Sovijärvi, A. R. A. & Piirilä, P., 2018, In : Scandinavian Journal of Clinical & Laboratory Investigation. 78, 1-2, p. 153-156 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Step-modulated decay cavity ring-down detection for double resonance spectroscopy

Karhu, J., Lehmann, K., Vainio, M., Metsälä, M. & Halonen, L., 29 Oct 2018, In : Optics Express. 26, 22, p. 29086-29098 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2017

Frequency comb assisted two-photon vibrational spectroscopy

Karhu, J., Vainio, M., Metsälä, M. & Halonen, L., 21 Feb 2017, In : Optics Express. 25, 5, p. 4688-4699 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Isotope-Selective Breath Analysis

Manninen, A., Kaariainen, T., Hietala, E., Aikio, R., Vasama, H., Richmond, C., Suopajarvi, P., Metsala, M., Ruiz, P., Karkkainen, Y. & Lehto, M., 2017, 2017 Conference on Lasers and Electro-Optics (CLEO). New York: IEEE, 1 p. (Conference on Lasers and Electro-Optics).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
2016

Biochemical pathways of breath ammonia (NH3) generation in patients with end-stage renal disease undergoing hemodialysis

Chen, W., Laiho, S., Vaittinen, O., Halonen, L., Ortiz, F., Forsblom, C., Groop, P-H., Lehto, M. & Metsälä, M., 2016, In : Journal of Breath Research. 10, 3, 11 p., 036011.

Research output: Contribution to journalArticleScientificpeer-review

Detection of hydrogen cyanide from oral anaerobes by cavity ring down spectroscopy

Chen, W., Roslund, K., Fogarty, C. L., Pussinen, P. J., Halonen, L., Groop, P-H., Metsala, M. & Lehto, M., 4 Mar 2016, In : Scientific Reports. 6, 9 p., 22577.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Double resonant absorption measurement of acetylene symmetric vibrational states probed with cavity ring down spectroscopy

Karhu, J., Nauta, J., Vainio, M. M., Metsälä, M. I., Hoekstra, S. & Halonen, L. O., 22 Jun 2016, In : Journal of Chemical Physics. 144, 24, 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2014

Adsorption of ammonia on treated stainless steel and polymer surfaces

Vaittinen, O., Metsälä, M., Persijn, S., Vainio, M. & Halonen, L., May 2014, In : Applied physics. B, Lasers and optics. 115, 2, p. 185-196 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Hydrogen cyanide in the headspace of oral fluid and in mouth-exhaled breath

Chen, W., Metsala, M., Vaittinen, O. & Halonen, L., Jun 2014, In : Journal of Breath Research. 8, 2, 8 p., 027108.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

The origin of mouth-exhaled ammonia

Chen, W., Metsala, M., Vaittinen, O. & Halonen, L., Sep 2014, In : Journal of Breath Research. 8, 3, 9 p., 036003.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2013

Ammonia in breath and emitted from skin

Schmidt, F. M., Vaittinen, O., Metsälä, M., Lehto, M., Forsblom, C., Groop, P-H. & Halonen, L., Mar 2013, In : Journal of Breath Research. 7, 1, p. 017109 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Exhaled Breath Biomonitoring Using Laser Spectroscopy

Vaittinen, O., Schmidt, F. M., Metsala, M. & Halonen, L., Jul 2013, In : Current Analytical Chemistry. 9, 3, p. 463-475 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Experimental observation and analysis of the 3v(1)(Sigma g) stretching vibrational state of acetylene using continuous-wave infrared stimulated emission

Siltanen, M., Metsälä, M., Vainio, M. & Halonen, L., 7 Aug 2013, In : Journal of Chemical Physics. 139, 5, p. 054201 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

High sensitivity trace gas detection by cantilever-enhanced photoacoustic spectroscopy using a mid-infrared continuous-wave optical parametric oscillator

Peltola, J., Vainio, M., Hieta, T., Uotila, J., Sinisalo, S., Metsälä, M., Siltanen, M. & Halonen, L., 22 Apr 2013, In : Optics Express. 21, 8, p. 10240-10250 11 p.

Research output: Contribution to journalArticleScientificpeer-review

2012

Off-axis re-entrant cavity ring-down spectroscopy with a mid-infrared continuous-wave optical parametric oscillator

Peltola, J., Vainio, M., Ulvila, V., Siltanen, M., Metsälä, M. & Halonen, L., 2012, In : Applied physics. B, Lasers and optics. 107, 3, p. 839-847 9 p.

Research output: Contribution to journalArticleScientificpeer-review

2011

Background levels and diurnal variations of hydrogen cyanide in breath and emitted from skin

Schmidt, F., Metsälä, M. I., Vaittinen, O. & Halonen, L., 2011, In : Journal of Breath Research. 5, 4, p. 046004 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Post-exposure elimination kinetics of hydrogen cyanide measured in exhaled breath

Vaittinen, T. O., Schmidt, F. M., Metsälä, M. I., Skyttä, M. K. & Halonen, L. O., 2011, Toxicology Letters. Vol. 205. p. S209 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2010

Acetylene in breath: background levels and real-time elimination kinetics after smoking

Metsälä, M., Schmidt, F., Skyttä, M., Vaittinen, O. & Halonen, L., 2010, In : Journal of Breath Research. 4, 4, p. 046003 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Direct detection of acetylene in air by continuous wave cavity ring-down spectroscopy

Schmidt, F., Vaittinen, O., Metsälä, M., Kraus, P. & Halonen, L., 2010, In : Applied physics. B, Lasers and optics. 101, 3, p. 671-682 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Sisäilman ammoniakin reaaliaikainen mittaus laserspektroskooppisesti

Vaittinen, O., Schmidt, F., Metsälä, M. I. & Halonen, L., 17 Mar 2010, Sisäilmastoseminaari 2010. Säteri, J. & Backman, H. (eds.). Espoo: SIY Sisäilmatieto, Vol. 28. p. 201-205 5 p. (SIY raportti; no. 28).

Research output: Chapter in Book/Report/Conference proceedingConference contributionProfessional

2009

Background levels of hydrogen cyanide in human breath measured by infrared cavity ring down spectroscopy

Stamyr, K., Vaittinen, O., Jaakola, J., Guss, J., Metsälä, M., Johanson, G. & Halonen, L., 2009, In : Biomarkers. 14, 5, p. 285-291 7 p.

Research output: Contribution to journalArticleScientificpeer-review

2008

Reflection of OH molecules from magnetic mirrors

Metsälä, M., Gilijamse, J. J., Hoekstra, S., van de Meerakker, S. Y. T. & Meijer, G., 2008, In : New Journal of Physics. 10, 5, 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2007

Electrostatic trapping of metastable NH molecules

Hoekstra, S., Metsaelae, M., Zieger, P. C., Scharfenberg, L., Gilijamse, J. J., Meijer, G. & van de Meerakker, S. Y. T., 2007, In : Physical Review A (Atomic, Molecular and Optical Physics). 76, 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Laser locked cavity ringdown spectroscopy of the (31-) local mode band system of (HCCH)-C-13-C-13

Guss, J., Metsälä, M., Vainio, M., Vaittinen, O. & Halonen, L., 2007, In : Molecular Physics. 105, 5-7, p. 807-813 7 p.

Research output: Contribution to journalArticleScientificpeer-review

The radiative lifetime of metastable CO (a (3)Pi, v=0)

Gilijamse, J. J., Hoekstra, S., Meek, S. A., Metsaelae, M., van de Meerakker, S. Y. T., Meijer, G. & Groenenboom, G. C., 2007, In : Journal of Chemical Physics. 127, 4 p.

Research output: Contribution to journalArticleScientificpeer-review

2006

Cavity-enhanced laser spectroscopic studies of vibrational overtones of acetylene

Metsälä, M., 2006, Helsinki: University of Helsinki. 42 p.

Research output: ThesisDoctoral ThesisCollection of Articles

High repetition rate cavity ringdown spectroscopy of vibrational overtones of (HCCH)-C-13-C-13 at around 12 200 cm(-1)

Metsälä, M., Guss, J., Vaittinen, O., Martinez, R. Z. & Halonen, L., 2006, In : Chemical Physics Letters. 424, 1-3, p. 7-11 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Laser-locked, high-repetition-rate cavity ringdown spectrometer

Martinez, R. Z., Metsälä, M., Vaittinen, O., Lantta, T. & Halonen, L., 2006, In : Journal of the Optical Society of America. B, Optical physics . 23, 4, p. 727-740 14 p.

Research output: Contribution to journalArticleScientificpeer-review

2004

High-resolution Fourier-transform intra-cavity laser absorption study of (HCCH)-C-12-C-13 and (HCCH)-C-13-C-13 at around 12600 cm(-1): a case of strong anharmonic resonances

Yang, S., Metsälä, M., Lantta, T., Suero, P., Martinez, R., Vaittinen, O. & Halonen, L., 2004, In : Chemical Physics Letters. 396, 1-3, p. 213-218 6 p.

Research output: Contribution to journalArticleScientificpeer-review

2003

Computational resolution enhancement: congested overtone spectrum of diacetylene

Metsälä, M., Vaittinen, O., Yang, S., Lantta, T., Halonen, L., Jerzembeck, W., Hollberg, M. & Kauppinen, J., 2003, In : Molecular Physics. 101, 4 & 5, p. 629-635 7 p.

Research output: Contribution to journalArticleScientificpeer-review

2002

High-resolution Fourier transform infrared spectrum of the nu(1)+nu(3) band system of (HCCH)-C-13-C-12

Lantta, T., Metsälä, M., Vaittinen, O. & Halonen, L., 2002, In : Journal of Molecular Spectroscopy. 216, 2, p. 505-507 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Laser-induced dispersed vibration-rotation fluorescence: a new technique to study molecular states

Metsälä, M., Nela, M., Yang, S., Vaittinen, O. & Halonen, L., 2002, In : Vibrational Spectroscopy. 29, 1-2, p. 155-161 7 p.

Research output: Contribution to journalArticleScientificpeer-review

2001

High-resolution cavity ring-down study of acetylene between 12260 and 12380 cm(-1)

Metsala, M., Yang, S., Vaittinen, O., Permogorov, D. & Halonen, L., 2001, In : Chemical Physics Letters. 346, 5-6, p. 373-378 6 p.

Research output: Contribution to journalArticleScientificpeer-review