Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Ulrika Backman"'
Autor:
Vesa-Pekka Lehto, Joakim Riikonen, Ulrika Backman, Ari Auvinen, Mirella Miettinen, Jorma Joutsensaari, Unto Tapper, Jorma Jokiniemi
Publikováno v:
Miettinen, M, Riikonen, J, Tapper, U, Backman, U, Joutsensaari, J, Auvinen, A, Lehto, V-P & Jokiniemi, J 2009, ' Development of a highly controlled gas-phase nanoparticle generator for inhalation exposure studies ', Human and Experimental Toxicology, vol. 28, no. 6-7, pp. 413-419 . https://doi.org/10.1177/0960327109105155
We have developed a gas-phase nanoparticle generator that produces stable and well-defined size distributions for TiO2. The online analyses of the gas-phase compounds and total number concentration of the generated particles as well as the off-line a
Publikováno v:
Mitrakos, D, Jokiniemi, J, Backman, U & Housiadas, C 2008, ' Aerosol flow in a tube furnace reactor of gas-phase synthesised silver nanoparticles ', Journal of Nanoparticle Research, vol. 10, no. Suppl. 1, pp. 153-161 . https://doi.org/10.1007/s11051-008-9439-3
In a previous work, gas-phase synthesis of silver nanoparticles through evaporation of silver powder and subsequent particle nucleation by cooling was shown to be a viable method for achieving high purity silver nanoparticles (Backman et al. J Nanopa
Publikováno v:
Backman, U, Auvinen, A & Jokiniemi, J K 2005, ' Deposition of nanostructured titania films by particle-assisted MOCVD ', Surface and Coatings Technology, vol. 192, no. 1, pp. 81-87 . https://doi.org/10.1016/j.surfcoat.2004.03.003
Nanostructured TiO 2 films and particles were prepared in a tubular flow reactor at atmospheric pressure using titanium tetraisopropoxide (TTIP) as precursor. The morphology of the films and particles was characterised with scanning and transmission
Publikováno v:
Backman, U, Lipponen, M, Auvinen, A, Tapper, U, Zilliacus, R & Jokiniemi, J K 2005, ' On the transport and speciation of ruthenium in high temperature oxidising conditions ', Radiochimica Acta, vol. 93, no. 5, pp. 297-304 . https://doi.org/10.1524/ract.93.5.297.64280
Summary In this paper, the transport and speciation of ruthenium under conditions simulating an air ingress accident was studied. Ruthenium dioxide was exposed to an oxidising environment at high temperatures (>1200 °C) in a tubular flow furnace. At
Publikováno v:
Lyyränen, J, Jokiniemi, J, Kauppinen, E I, Vesala, H & Backman, U 2004, ' Comparison of different dilution methods for measuring diesel particle emissions ', Aerosol Science and Technology, vol. 38, no. 1, pp. 12-23 . https://doi.org/10.1080/02786820490247579
Particle emissions from a turbo-charged diesel off-road engine were characterized with DMA + CNC and electron microscopy for comparison of different sampling and dilution systems. Four different sampling methods were used: (1) two ejector diluters, (
Publikováno v:
Journal of Nanoparticle Research. 4:325-335
We have prepared spherical non-agglomerated silver nanoparticles by an evaporation–condensation–dilution/cooling technique. Silver was evaporated from a crucible in a tubular flow reactor. A porous tube diluter was used to quench the carrier gas
Publikováno v:
Backman, U, Lyyränen, J, Tapper, U, Auvinen, A & Jokiniemi, J 2009, ' On the performance of a calibrated nanoparticle generator ', Journal of Physics: Conference Series, vol. 170, no. 1, 012005 . https://doi.org/10.1088/1742-6596/170/1/012005
There is a need for nanoparticle generators with well characterised properties in many fields. For instance the calibration of measurement instruments can be done in place and the downtime for the instrument hence decreased. Also in nanoparticle toxi
Publikováno v:
Lehtinen, K E J, Backman, U, Jokiniemi, J K & Kulmala, M 2004, ' Three-body collisions as a particle formation mechanism in silver nanoparticle synthesis ', Journal of Colloid and Interface Science, vol. 274, no. 2, pp. 526-530 . https://doi.org/10.1016/j.jcis.2004.01.023
Silver nanoparticles were prepared in a tubular flow reactor using an evaporation–condensation technique. The size distribution of the particles was measured using standard aerosol instruments and electron microscopy. A comparison with results obta
Publikováno v:
Scopus-Elsevier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::01d91040e46db7da5a86d23a1d8111f1
http://www.scopus.com/inward/record.url?eid=2-s2.0-41149102052&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-41149102052&partnerID=MN8TOARS
Autor:
Ulrika Backman, Jussi Lyyränen, Jouni Hokkinen, Anu Kapanen, Minna Vikman, Margareta Wahlström, Jari Vartiainen, Ari Auvinen
Publikováno v:
VTT Technical Research Centre of Finland-PURE
Backman, U, Lyyränen, J, Hokkinen, J, Kapanen, A, Vikman, M, Wahlström, M, Vartiainen, J & Auvinen, A 2011, Reuse/recycling, final treatment and disposal of nanotechnology-based products . in Nanotechitaly 2011 : Book of abstract . NanotechItaly 2011, Venice, Italy, 23/11/11 .
Backman, U, Lyyränen, J, Hokkinen, J, Kapanen, A, Vikman, M, Wahlström, M, Vartiainen, J & Auvinen, A 2011, Reuse/recycling, final treatment and disposal of nanotechnology-based products . in Nanotechitaly 2011 : Book of abstract . NanotechItaly 2011, Venice, Italy, 23/11/11 .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b222661697c5d8772d5c1ef21154e8a4
https://cris.vtt.fi/en/publications/d8eb6eb9-7eb3-4f10-8d6a-c2f3b093b47e
https://cris.vtt.fi/en/publications/d8eb6eb9-7eb3-4f10-8d6a-c2f3b093b47e