Scientific Commons: T. Nieminen

Classifying previously undefined days from eleven years of aerosol-particle-size distribution data from the SMEAR II station, Hyytiälä, Finland (2009)

S. Buenrostro Mazon, I. Riipinen, D. M. Schultz, M. Valtanen, M. Dal Maso, L. Sogacheva, ...

Studies of secondary aerosol-particle formation depend on identifying days in which new particle formation occurs and, by comparing them to days with no signs of particle formation, identifying the...

Charged and total particle formation and growth rates during EUCAARI 2007 campaign in Hyytiälä (2009)

H. E. Manninen, T. Nieminen, I. Riipinen, T. Yli-Juuti, S. Gagné, E. Asmi, ...

Despite the fact that frequent aerosol formation has been observed in various locations in the atmosphere, the overall magnitude of the new particle formation as a particle source is still unclear....

Analysis of atmospheric neutral and charged molecular clusters in boreal forest using pulse-height CPC (2009)

K. Lehtipalo, M. Sipilä, I. Riipinen, T. Nieminen, M. Kulmala

We measured the size distribution of atmospheric neutral and charged clusters and particles down to mobility diameter around 1.5 nm by applying pulse-height CPC technique at SMEAR II station in...

Charged and total particle formation and growth rates during EUCAARI 2007 campaign in Hyytiälä (2009)

H. E. Manninen, T. Nieminen, I. Riipinen, T. Yli-Juuti, S. Gagné, E. Asmi, ...

Despite the fact that frequent aerosol formation has been observed in various locations in the atmosphere, the overall magnitude of the new particle formation as a particle source is still unclear....

Sulfuric acid and OH concentrations in a boreal forest site (2009)

T. Petäjä, R. L. Mauldin, III, E. Kosciuch, J. McGrath, T. Nieminen, P. Paasonen, ...

As demonstrated in a number of investigations, gaseous sulfuric acid plays a central role in atmospheric aerosol formation. Using chemical ionization mass spectrometer the gas-phase sulfuric acid and...

Results from the CERN pilot CLOUD experiment (2009)

J. Duplissy, M. B. Enghoff, K. L. Aplin, F. Arnold, H. Aufmhoff, M. Avngaard, ...

During a 4-week run in October–November 2006, a pilot experiment was performed at the CERN Proton Synchrotron in preparation for the CLOUD<sup>1</sup> experiment, whose aim is to study...

Atmospheric data over a solar cycle: no connection between galactic cosmic rays and new particle formation (2009)

M. Kulmala, I. Riipinen, T. Nieminen, M. Hulkkonen, L. Sogacheva, H. E. Manninen, ...

Aerosol particles affect the Earth's radiative balance by directly scattering and absorbing solar radiation and, indirectly, through their activation into cloud droplets. Both effects are known with...

Basic characteristics of atmospheric particles, trace gases and meteorology in a relatively clean Southern African Savannah environment (2008)

Laakso, L., Laakso, H., Aalto, P. P., Keronen, P., Petäjä, T., Nieminen, T., ...

We have analyzed one year (July 2006?July 2007) of measurement data from a relatively clean background site located in dry savannah in South Africa. The annual-median trace gas concentrations were...

Basic characteristics of atmospheric particles, trace gases and meteorology in a relatively clean Southern African Savannah environment (2008)

Laakso, L., Laakso, H., Aalto, P. P., Keronen, P., Petäjä, T., Nieminen, T., ...

We have analyzed one year (July 2006?July 2007) of measurement data from a relatively clean background site located in dry savannah in South Africa. The annual-median trace gas concentrations were...

Basic characteristics of atmospheric particles, trace gases and meteorology in a relatively clean Southern African Savannah environment (2008)

L. Laakso, H. Laakso, P. P. Aalto, P. Keronen, T. Petäjä, T. Nieminen, ...

We have analyzed one year (July 2006–July 2007) of measurement data from a relatively clean background site located in dry savannah in South Africa. The annual-median trace gas concentrations were...

Basic characteristics of atmospheric particles, trace gases and meteorology in a relatively clean Southern African Savannah environment (2008)

L. Laakso, H. Laakso, P. P. Aalto, P. Keronen, T. Petäjä, T. Nieminen, ...

We have analyzed one year (July 2006–July 2007) of measurement data from a relatively clean background site located in dry savannah in South Africa. The annual-median trace gas concentrations...

Classifying previously undefined days from eleven years of aerosol-particle-size distribution data from the SMEAR II station, Hyytiälä, Finland (2008)

S. Buenrostro Mazon, I. Riipinen, D. M. Schultz, M. Valtanen, M. Dal Maso, L. Sogacheva, ...

Studies of secondary aerosol-particle formation depend on identifying days in which new particle formation occurs and, by comparing them to days with no signs of particle formation, identifying the...

Sulfuric acid and OH concentrations in a boreal forest site (2008)

T. Petäjä, R. L. Mauldin, III, E. Kosciuch, J. McGrath, T. Nieminen, M. Boy, ...

As demonstrated in a number of investigations, gaseous sulfuric acid plays a central role in atmospheric aerosol formation. Using chemical ionization mass spectrometer the gas-phase sulfuric acid and...

Analysis of atmospheric neutral and charged molecular clusters in boreal forest using pulse-height CPC (2008)

K. Lehtipalo, M. Sipilä, I. Riipinen, T. Nieminen, M. Kulmala

We measured the size distribution of atmospheric neutral and charged clusters and particles down to mobility diameter around 1.5 nm by applying pulse-height CPC technique at SMEAR II station in...

Toxinogenic Bacillus pumilus and Bacillus licheniformis from mastitic milk (2007)

Nieminen, T., Rintaluoma, N., Andersson, M., Ali-Vehmas, T., Seppälä, A., ...

Veterinary Microbiology Vol.124 Nr.3 - 4, 329 - 339

Toxinogenic Bacillus pumilus and Bacillus licheniformis from mastitic milk (2007)

Nieminen, T., Rintaluoma, N., Andersson, M., Ali-Vehmas, T., Seppälä, A., ...

Veterinary Microbiology Vol.124 Nr.3 - 4, 329 - 339

Catch, move and twist using optical tweezers. (2005)

Rubinsztein-Dunlop, H, Knoner, G, Parkin, S, Singer, W, Nieminen, T, Heckenberg, N

Catch, move and twist using optical tweezers. (2005)

Rubinsztein-Dunlop, H, Knoner, G, Parkin, S, Singer, W, Nieminen, T, Heckenberg, N

Anomalous Absorption of Bulk Shear Sagittal Acoustic Waves in a Layered Structure with Viscous Fluid (2003)

Gramotnev, Dmitri, Mather, Melissa, Nieminen, T