Find Research Outputs

1992

Maitohappobakteerien biosidit mallastuksessa: Diplomityö

Suurnäkki, A., 1992, Espoo: Helsinki University of Technology. 114 p.

Research output: ThesisResearch

Malli Suomen hiilidioksidipäästöistä aiheutuvan säteilypakotteen arviointiin: Diplomityö

Sinisalo, J., 1992, Espoo. 61 p.

Research output: ThesisResearch

6 Citations

Measurement of the change in aerosol size distribution with bacterial growth in a pilot scale fermentor

Szewczyk, K., Lehtimäki, M., Pan, M-J., Krishnan, U., Willeke, K., Elliott, D. & Muth, W., 1992, In : Biotechnology and Bioengineering. 39, 2, p. 243-245

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Bioreactors
Aerosols
Air
Growth
Microorganisms
16 Citations

Mecant I: A six legged walking machine for research purposes in outdoor environment

Hartikainen, K., Halme, A., Lehtinen, H. & Koskinen, K., 1992, Otaniemi: Helsinki University of Technology. 21 p. (Technical Reports, Series B; no. 6)

Research output: Book/ReportPublished reportResearch

Structural design
Hydraulics

MECANT I: A six legged walking machine for research purposes in outdoor environment

Hartikainen, K., Halme, A., Lehtinen, H. & Koskinen, K., 1992, 1992 IEEE International Conference on Robotics and Automation. Nice, FR, 12 - 14 May 1992. Nice, p. 157 - 163

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsResearch

14 Citations

Mechatronic design for industrial grippers

Heilala, J., Ropponen, T. & Airila, M., 1992, In : Mechatronics. 2, 3, p. 239-255 17 p.

Research output: Contribution to journalArticleResearchpeer-review

Grippers
Mechatronics
Experiments
35 Citations

Mediated amperometric determination of xylose and glucose with an immobilized aldose dehydrogenase electrode

Smolander, M., Livio, H. & Räsänen, L., 1992, In : Biosensors & Bioelectronics. 7, 9, p. 637-643 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Xylose
Glucose
Oxidoreductases
Electrodes
Gluconobacter oxydans
4 Citations

Method development for measuring respirator exhalation valve leakage

Brueck, S., Lehtimäki, M., Krishnan, U. & Willeke, K., 1992, In : Applied Occupational and Environmental Hygiene. 7, 3, p. 174-179

Research output: Contribution to journalArticleResearchpeer-review

Exhalation
Mechanical Ventilators
Respiratory Protective Devices
Dust
Industry
5 Citations

Method for calculating stress intensity factors for surface cracks

Mikkola, T., 1992, In : Engineering Fracture Mechanics. 42, 5, p. 713-730

Research output: Contribution to journalArticleResearchpeer-review

Stress intensity factors
Cracks
Loads (forces)
Interpolation
10 Citations

Microhole size and foodstuff on the microbial integrity of aseptic plastic cups

Ahvenainen, R., Mattila-Sandholm, T., Axelson, L. & Wirtanen, G., 1992, In : Packaging Technology and Science. 5, 2, p. 101-107

Research output: Contribution to journalArticleResearchpeer-review

Meats
Agar
Plastics
Bacteria
Viscosity
27 Citations

Microstructural and physicochemical properties of oxidized potato starch for paper coating

Autio, K., Suortti, T., Poutanen, K. & Hamunen, A., 1992, In : Stärke. 44, 10, p. 393-398 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Coating techniques
potato starch
Solanum tuberosum
Starch
coatings

Minimizing concentrated malodorous gases from a sulphate pulp mill by applying some risk analysis methods

Pirhonen, P., 1992, In : Journal of Loss Prevention in the Process Industries. 5, 5, p. 289-295 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Sulfate pulp
kraft pulp
risk analysis
Paper and pulp mills
Risk analysis
3 Citations

Model for DMOST threshold voltage

Grahn, K., Andersson, M., Kuivalainen, P. & Eränen, S., 1992, In : Electronics Letters. 28, 15, p. 1384-1385 2 p.

Research output: Contribution to journalArticleResearchpeer-review

Threshold voltage
Transistors
Doping (additives)
Insulated gate bipolar transistors (IGBT)
MOSFET devices
1 Citations

Modelling of the depleted p-JFET radiation detector

Tikkanen, T., Jalas, P., Laakso, M., Grahn, K. & Leinonen, K., 1992, In : IEEE Transactions on Nuclear Science. 39, 5, p. 1519-1522 4 p.

Research output: Contribution to journalArticleResearchpeer-review

JFET
Radiation detectors
radiation detectors
Field effect transistors
detectors
6 Citations

Molecular dynamics simulations of hapten binding to structural models of 2-phenyloxazolone antibodies

Hoffren, A-M., Holm, L., Laaksonen, L., Teeri, T. & Teleman, O., 1992, In : ImmunoMethods. 1, 2, p. 82-92 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Haptens
Molecular dynamics
Antibodies
Computer simulation
Molecular modeling
25 Citations

Molecular heterostructure devices composed of Langmuir-Blodgett films of conducting polymers

Punkka, E. & Rubner, M., 1992, In : Journal of Electronic Materials. 21, 11, p. 1057-1063

Research output: Contribution to journalArticleResearch

Langmuir Blodgett films
polypyrroles
Conducting polymers
conducting polymers
Langmuir-Blodgett films

Molecular weight characterization and gelling properties of acid - modified starches

Pessa, E., Suortti, T., Autio, K. & Poutanen, K., 1992, In : Stärke. 44, 2, p. 64-69

Research output: Contribution to journalArticleResearchpeer-review

gelling properties
modified starch
amylose
Starch
Amylose
3 Citations

Natural radiation: A perspective to radiological risk factors of nuclear energy production

Mustonen, R., Christensen, T., Stranden, H., Ehdwall, H., Hansen, S., Suolanen, V. & Vieno, T., 1992, In : Science of the Total Environment. 114, p. 99-112 14 p.

Research output: Contribution to journalArticleResearchpeer-review

risk factor
Nuclear energy
Radioisotopes
radionuclide
Radiation

Neutron diffraction studies of isotope-substituted tetragonal superconductors RBa2Cu2.76Fe0.24O7+o (R=Sm, Y)

Trunov, V., Kaganovich, Y., Kurbakov, A., Matveev, A., Balagurov, A., Hewat, A., Fischer, P., Antson, O. & Maayouf, R., 1992, In : Physica C: Superconductivity and its Applications. p. 123-130

Research output: Contribution to journalArticleResearchpeer-review

Neutron diffraction
Isotopes
Superconducting materials
neutron diffraction
isotopes

Neutron diffraction study of 152Sm, 154Sm and 63Cu isotope-substituted SmBa2Cu3O7 from 1.5 K to 300 K

Trunov, V., Kaganovich, Y., Kurbakov, A., Matveev, A., Sovestnov, A., Hewat, A., Fischer, P., Antson, O. & Maayouf, R., 1992, In : Physica C: Superconductivity and its Applications. 194, 3-4, p. 415-424

Research output: Contribution to journalArticleResearchpeer-review

Neutron diffraction
Isotopes
neutron diffraction
isotopes
oxygen
32 Citations

New development in the Langmuir-Blodgett manipulation of electroactive polymers

Cheung, J., Punkka, E., Rikukawa, M., Rosner, R., Royappa, A. & Rubner, M., 1992, In : Thin Solid Films. 210-211, Part 1, p. 246-249

Research output: Contribution to journalArticleResearch

electroactive polymers
Multilayer films
manipulators
Polymers
Conjugated polymers

Non-destructive detection of the spoilage of aseptically-packed milk products: The effect of frequency and imaging parameters on the sensitivity of ultrasound imaging

Wirtanen, G., Ahvenainen, R. & Mattila-Sandholm, T., 1992, In : LWT - Food Science and Technology. 25, 2, p. 126-132

Research output: Contribution to journalArticleResearchpeer-review

spoilage
ultrasonography
dairy products
Ultrasonography
Milk
10 Citations

Nordic teleradiology development

Viitanen, J., Sund, T., Rinde, E., Stoermer, J., Kormano, M., Heinilä, J., Yliaho, J. & Ahonen, J., 1992, In : Computer Methods and Programs in Biomedicine. 37, 4, p. 273-277 5 p.

Research output: Contribution to journalArticleResearchpeer-review

Teleradiology
Scandinavian and Nordic Countries
Radiology
Telecommunication networks
Health

Numerical flow simulation of dust deflagrations

Kjäldman, L., 1992, In : Powder Technology. 71, 2, p. 163-169

Research output: Contribution to journalArticleResearchpeer-review

7 Citations

Nutrient uptake and growth of an embryogenic and a non-embryogenic cell line of birch (Betula pendula Roth.)

Nuutila, A-M. & Kauppinen, V., 1992, In : Plant Cell, Tissue and Organ Culture. 30, 1, p. 7-13 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Betula pendula
Betula
nutrient uptake
cell lines
fructose

Patterns of adenosine triphosphate catabolism as freshness indicators in fish species from Baltic Sea

Hattula, T. & Kiesvaara, M., 1992, In : Journal of the Science of Food and Agriculture. 58, 4, p. 485-488

Research output: Contribution to journalArticleResearchpeer-review

adenosine triphosphate
freshness
Baltic Sea
Oceans and Seas
Fishes
77 Citations

Photoluminescence quenching in a polymer thin-film field-effect luministor

Dyreklev, P., Inganäs, O., Paloheimo, J. & Stubb, H., 1992, In : Journal of Applied Physics. 71, 6, p. 2816-2820 5 p.

Research output: Contribution to journalArticleResearchpeer-review

quenching
injection
photoluminescence
polymers
polarons
49 Citations

Physical properties of ß-glucan preparates isolated from Finnish oat varieties

Autio, K., Myllymäki, O., Suortti, T., Saastamoinen, M. & Poutanen, K., 1992, In : Food Hydrocolloids. 5, 6, p. 513-522 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Pinnan halkeilun automaattinen analyysimenetelmä

Lappalainen, T., 1992, Espoo: VTT. (VTT Julkaisuja; no. 755)

Research output: Book/ReportBookResearch

image analysis
methodology
6 Citations

Plant level safety analysis

Toola, A., 1992, In : Journal of Loss Prevention in the Process Industries. 5, 2, p. 119-124

Research output: Contribution to journalArticleResearch

safety assessment
Hazards
Safety
hazard characterization
pulp

Polymeric field effect transistors using oriented polymers

Dyreklev, P., Gustafsson, G., Inganäs, O. & Stubb, H., 1992.

Research output: Contribution to conferenceConference articleResearch

10 Citations

Preferential synthesis of heptaasyl lipopolysaccharide by the ssc permeability mutant of Salmonella typhimurium

Helander, I., Hirvas, L., Tuominen, J. & Vaara, M., 1992, In : European Journal of Biochemistry. 204, 3, p. 1101-1106 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Salmonella
Salmonella typhimurium
Lipopolysaccharides
Permeability
Lipid A
21 Citations

Pressure dependence of d.c. conductivity in poly(3-alkylthiophenes)

Isotalo, H., Ahlskog, M. & Stubb, H., 1992, In : Synthetic Metals. 48, 3, p. 313-323 11 p.

Research output: Contribution to journalArticleResearchpeer-review

pressure dependence
conductivity
Chain length
Doping (additives)
low conductivity
25 Citations

Production of beer using immobilized yeast encoding α-acetolactate decarboxylase

Kronlöf, J. & Linko, M., 1992, In : Journal of the Institute of Brewing. 98, 6, p. 479-491 13 p.

Research output: Contribution to journalArticleResearchpeer-review

acetolactate decarboxylase
beers
Fermentation
Diacetyl
diacetyl
45 Citations

Production of xylanolytic enzymes by an alkalitolerant Bacillus circulans strain

Rättö, M., Poutanen, K. & Viikari, L., 1992, In : Applied Microbiology and Biotechnology. 37, 4, p. 470-473 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Xylans
Bacillus
Endo-1,4-beta Xylanases
Cellulase
Enzymes

Protein engineering of loops in chymosin and expression in Trichoderma reesei

Nugent, P., Pitts, J., Orprayoon, P., Blundell, T., Uusitalo, J. & Penttilä, M., 1992, 1st European Conference on Fungal Genetics. Nottingham: University of Nottingham, P2/73

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

22 Citations

QUASA: A method for assessing the quality of safety analysis

Rouhiainen, V., 1992, In : Safety Science. 15, 3, p. 155-172 18 p.

Research output: Contribution to journalArticleResearchpeer-review

Safety
incident
process analysis
quality management
Safety Management

Rakennusgeologia: Kallioperä

Rantala, J. & Vahanne, P., 1992, Suomen kartasto: Vihko 123-126 geologia: 126 hydrogeologia, geokemia, rakennusgeologia. Alalammi, P. (ed.). 5 ed. Helsinki, Vol. 1. p. 45-48

Research output: Chapter in Book/Report/Conference proceedingOther book partResearch

Rakentamisen sisävalmistustöiden robotisointi

Koskela, L., Kemppainen, T., Lehtinen, H., Matikainen, M., Sainio, H. & Seren, K-J., 1992, VTT Technical Research Centre of Finland. 60 p. (VTT Tiedotteita - Meddelanden - Research Notes; vol. 1327)

Research output: Book/ReportPublished reportResearch

Open Access

Rakentamisrobottien kehittämisen metodiikka

Koskela, L., Salo, E., Lehtinen, H., Lindholm, M. & Pieskä, S., 1992, VTT Technical Research Centre of Finland. 74 p. (VTT Tiedotteita - Meddelanden - Research Notes; vol. 1336)

Research output: Book/ReportPublished reportResearch

methodology

Refractive index behaviour of phosphorus-doped planar silica waveguides

Heimala, P. & Aarnio, J., 1992, In : Journal of Physics D: Applied Physics. 25, 5, p. 733-739 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Silicon Dioxide
Phosphorus
phosphorus
Refractive index
Waveguides

Regulation of cellulase expression in Trichoderma reesei

Ilmen, M., Onnela, M-L., Saloheimo, A. & Penttilä, M., 1992, Biotieteen päivät, Helsinki 3. - 4.9.1992. Helsinki

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsResearch

Regulation of expression of cellobiohydrolase I gene in Trichoderma

Ilmen, M., Onnela, M-L., Saloheimo, A. & Penttilä, M., 1992, 1st European Conference on Fungal Genetics. Nottingham: University of Nottingham, P2/65

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

Removal of foodborne biofilms - comparison between surface and suspension tests: Part 1

Wirtanen, G. & Mattila-Sandholm, T., 1992, In : LWT - Food Science and Technology. 25, 1, p. 50-54

Research output: Contribution to journalArticleResearchpeer-review

37 Citations

Representing software engineering models: The TAME goal oriented approach

Oivo, M. & Basili, V., 1992, In : IEEE Transactions on Software Engineering. 18, 10, p. 886-898 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Software engineering
Knowledge representation
Feedback

Ribosomal RNA sequence comparisons in phylogeny reconstruction of filamentous fungus Trichoderma reesei

Vanhanen, S. & Penttilä, M., 1992, 14th Annual Conference Organization and Expression of the Genome. Victoria, AU, 17 - 21 Febr. 1992: Abstract. Victoria, Pos-2-38

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

22 Citations

Road aggregate choice based on silicate quality and bitumen adhesion

Peltonen, P., 1992, In : Journal of Transportation Engineering Part A: Systems. 118, 1, p. 50-61

Research output: Contribution to journalArticleResearch

Silicates
Adhesion
road
energy
cause

Saccharomyces cerevisiae cells secreting an Aspergillus niger β-galactosidase grow on whey permeate

Kumar, V., Ramakrishnan, S., Teeri, T., Knowles, J. & Hartley, B., 1992, In : Bio/Technology. 10, 1, p. 82-85 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Aspergillus niger
Aspergillus
Lactose
beta-Galactosidase
Yeast
7 Citations

Segmentation of Spot and Landsat satellite imagery

Parmes, E., 1992, In : The Photogrammetric Journal of Finland. 13, 1, p. 52-58 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
25 Citations

Separation and characterization of two chemically distinct lipopolysaccharides in two Pectinatus species

Helander, I., Hurme, R., Haikara, A. & Moran, A. P., 1992, In : Journal of Bacteriology. 174, 10, p. 3348-3354 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Pectinatus
Lipopolysaccharides
O Antigens
Esters
Fucose