Very high score
(IQ>175) in several tests:
- Sigma Test
- Test
for Genius
- Final
Test
- Space,
Time & Hyperspace
2nd. Highest
Score in "Mensa International Contest 2001" (organized by Mensa
France and Mensa Belgium)
1st. Place on X-Test Contest
Now Petri
lives in Australia, with his wife and his daughter (that has a
fantastic IQ), and works as
the Principal Research Scientist, PhD in CSIRO Manufacturing &
Infrastructure Technology - CRC Wood Innovations.
Ph.D. Summa
Cum Laude in Chemistry (Helsinki
University of Technology)
M.Sc. in Organic Chemistry
Speaks nine languages
Co-editor of the Sigma V e-Magazine on-line
|
Peer-reviewed
Publications
|
Widsten, P.,
Laine, J.E., Qvintus-Leino, P. and Tuominen, S.: "Effect
of High-Temperature Fiberization on the Chemical Structure of
Softwood". Journal of Wood Chemistry and Technology 21(3),
227-245 (2001).
Widsten, P.,
Laine, J.E., Qvintus-Leino, P. and Tuominen, S.: "Effect
of High-Temperature Defibration on the Chemical Structure of Hardwood".
Holzforschung 56(1), 51-59 (2002).
Widsten, P.,
Laine, J.E. and Tuominen, S.: "Radical formation on laccase
treatment of wood defibrated at high temperatures. Part 1. Studies
with hardwood fibers". Nordic Pulp and Paper Research Journal
17(2), 18-25 (2002).
Widsten, P.,
Laine, J.E. and Tuominen, S.: "Radical formation on laccase
treatment of wood defibrated at high temperatures. Part 2. Studies
with softwood fibers". Cellulose Chemistry and Technology
36(1-2), 161-172 (2002).
Widsten, P.,
Laine, J.E., Qvintus-Leino, P. and Tuominen, S.: "Effect
of High Defibration Temperature on the Properties of Medium Density
Fiberboard (MDF) Made from Laccase-Treated Hardwood Fibers".
Journal of Adhesion Science and Technology 17(1), 69-78 (2003).
Widsten, P.,
Laine, J.E., Qvintus-Leino, P. and Tuominen, S.: "Manufacture
of fiberboard from wood fibers activated with Fenton's reagent
(H2O2 + FeSO4)". Holzforschung 57(4), 447-452 (2003).
Widsten, P.,
Laine, J.E., Qvintus-Leino, P. and Tuominen, S.: "Studies
on the Use of Fenton's Reagent (H2O2-FeSO4) and Gamma-Irradiation
to Produce Radicals in Wood Fibers to Be Used for Fiberboard".
Paperi ja Puu 85(2), 96-99 (2003).
Widsten, P.,
Laine, J.E., Lahti, T. and Fräki, E. "Seasonal variations
in the effluent of an integrated pulp and paper mill and its behavior
in biological treatment". Nordic Pulp and Paper Research
Journal 19(2), 158-161 (2003).
Widsten, P.,
Hortling B. and Poppius-Levlin, K. "Reactions of conventional
kraft and SuperBatch residual lignins with peroxyformic acid".
Journal of Wood Chemistry and Technology 23(3&4), 305-323
(2003).
Widsten, P.,
Hortling B. and Poppius-Levlin, K. "Ozonation of conventional
kraft and SuperBatch residual lignins in methanol/water and water".
Holzforschung 58(4), 363-368 (2004).
Widsten, P.,
Hortling B. and Poppius-Levlin, K. "Treatment of conventional
kraft and SuperBatch pulp residual lignins with alkaline hydrogen
peroxide". Journal of Pulp and Paper Science 30(7), 191-196
(2004).
Widsten, P.,
Nguyen, T., Laine, J.E., Malmqvist, A. and Welander, T. "In-mill
removal of TMP whitewater contaminants by biological treatment
in an aerobic biokidney used in conjunction with microfiltration
and laccase treatment". Nordic Pulp and Paper Research Journal
19(3), 379-383 (2004).
Widsten, P.,
Laine, J.E., Qvintus-Leino, P. and Tuominen, S.: "The influence
of high defibration temperature on the properties of fiberboard
made from laccase-treated softwood fibers". Wood Science
and Technology 38(7), 521-528 (2004).
PhD thesis
"Oxidative
Activation of Wood Fibers for the Manufacture of Medium-Density
Fiberboard (MDF)"
http://lib.hut.fi/Diss/2002/isbn9512261928/.
Accepted with distinction.
Awards
Post-Graduate
Research Award (biannual) of the Finnish Society of Chemical Engineers
for best PhD thesis in Chemical Engineering, 2004
CRC Wood Innovations
Research Poster Award 2004 - Highly Commended for Scientific Content
Patent
WO 2003047826.
"Method of producing compressed layered structures".
Qvintus-Leino, Pia; Widsten, Petri; Tuominen, Simo; Laine, Jaakko;
Kunnas, Joni. (Dynea Chemicals Oy, Finland).
Conference presentations
"Manufacture
of fiberboard from laccase-treated HTMP fibers". 2nd International
Symposium on Interfaces in Polymer Composites and Adhesives, Oral
presentation, Orlando, Florida, USA, December 9-11, 2002.
"Treatment
of conventional kraft and SuperBatch pulp residual lignins with
alkaline hydrogen peroxide". 28th EUCEPA conference, Poster
sessions, Lisbon, Portugal, April 2-4, 2003.
"Characterization
by 13C-NMR and FTIR-spectroscopy of conventional kraft and SuperBatch
pulp residual lignins reacted with performic acid". 12th
International Symposium on Wood and Pulping Chemistry, Poster
sessions, Madison, Wisconsin, USA, June 9-12, 2003.
"Manufacture
of fiberboard from wood fibers activated by treatment with Fenton's
reagent". 4th International Symposium on Silanes and Other
Coupling Agents, Oral presentation, Orlando, Florida, USA, June
11-13, 2003. See also Silanes and Other Coupling Agents, Vol.
3, edited by K.L. Mittal, Brill Academic Publications, 2004.
"Manufacture
of resin-free medium-density fiberboard (MDF) from laccase-treated
wood fibers". 38th International Wood Composites Symposium,
Oral presentation, Pullman, Washington, USA, April 5-8, 2004.
"Impact
of wood type and defibration temperature on laccase reactivity
of wood fibers for fiberboard manufacture". 58th Appita Annual
Conference, Oral presentation, Canberra, Australia, April 19-21,
2004.
"Manufacture
of resin-free fiberboards from wood fibers activated with Fenton's
reagent (H2O2/Fe2+)". 5th International Symposium on Natural
Polymers and Composites &
8th Brazilian Symposium on the Chemistry of Lignins and Other
Wood Components, Poster sessions, São Pedro, SP, Brazil,
September 12-15, 2004.
Upcoming conferences
Symposium
on the Chemistry and Performance of Composites Containing Wood
and Natural Plant Fibres, Rotorua, New Zealand, May 12-13, 2005.
Oral presentation.
13th International Symposium on Wood, Fibre and Pulping Chemistry
& 59th Appita Annual Conference, Auckland, New Zealand, May
16-19, 2005. Oral presentation at Appita Conference.
8th International
Symposium on Woodfibre-Plastic Composites (and other natural fibers),
Madison, Wisconsin, USA, May 23-25, 2005. Participation.
22nd International
Union of Forest Research Organizations (IUFRO) World Congress,
Brisbane, Australia, August 8-13, 2005. Poster presentation.
Current research activities
Activation
of wood surfaces for enhanced bonding of paints and adhesives.
UV stabilization of wood.
Wood/nonwood lignocellulosic fiber-plastic composites.
CSIRO Manufacturing
& Infrastructure Technology, Highett, Victoria 3190, Australia.
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