Search Results - "Koivisto, Antti J."

Airway Exposure to Silica-Coated TiO2 Nanoparticles Induces Pulmonary Neutrophilia in Mice by Rossi, Elina M., Pylkkänen, Lea, Koivisto, Antti J., Vippola, Minnamari, Jensen, Keld A., Miettinen, Mirella, Sirola, Kristiina, Nykäsenoja, Heli, Karisola, Piia, Stjernvall, Tuula, Vanhala, Esa, Kiilunen, Mirja, Pasanen, Pertti, Mäkinen, Maija, Hämeri, Kaarle, Joutsensaari, Jorma, Tuomi, Timo, Jokiniemi, Jorma, Wolff, Henrik, Savolainen, Kai, Matikainen, Sampsa, Alenius, Harri

“…The importance of nanotechnologies and engineered nanoparticles has grown rapidly. It is therefore crucial to acquire up-to-date knowledge of the possible…”
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Inhalation of rod-like carbon nanotubes causes unconventional allergic airway inflammation by Rydman, Elina M, Ilves, Marit, Koivisto, Antti J, Kinaret, Pia A S, Fortino, Vittorio, Savinko, Terhi S, Lehto, Maili T, Pulkkinen, Ville, Vippola, Minnamari, Hämeri, Kaarle J, Matikainen, Sampsa, Wolff, Henrik, Savolainen, Kai M, Greco, Dario, Alenius, Harri

“…Carbon nanotubes (CNT) represent a great promise for technological and industrial development but serious concerns on their health effects have also emerged…”
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Impact of particle emissions of new laser printers on modeled office room by Koivisto, Antti J., Hussein, Tareq, Niemelä, Raimo, Tuomi, Timo, Hämeri, Kaarle

“…In this study, we present how an indoor aerosol model can be used to characterize particle emitter and predict influence of the source on indoor air quality…”
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Genotoxicity of inhaled nanosized TiO2 in mice by Lindberg, Hanna K., Falck, Ghita C.-M., Catalán, Julia, Koivisto, Antti J., Suhonen, Satu, Järventaus, Hilkka, Rossi, Elina M., Nykäsenoja, Heli, Peltonen, Yrjö, Moreno, Carlos, Alenius, Harri, Tuomi, Timo, Savolainen, Kai M., Norppa, Hannu

“…► Mice inhaled nanosized TiO2 anatase–brookite (0.8, 7.2, or 28.5mg/m3) for 5 days. ► A dose-dependent deposition of Ti in lung tissue was seen. ► No increase…”
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Workplace performance of a loose-fitting powered air purifying respirator during nanoparticle synthesis by Koivisto, Antti J., Aromaa, Mikko, Koponen, Ismo K., Fransman, Wouter, Jensen, Keld A., Mäkelä, Jyrki M., Hämeri, Kaarle J.

“…Nanoparticle (particles with diameter ≤100 nm) exposure is recognized as a potentially harmful size fraction for pulmonary particle exposure. During…”
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Regional Inhaled Deposited Dose of Urban Aerosols in an Eastern Mediterranean City by Hussein, Tareq, Saleh, Shatha, dos Santos, Vanessa, Boor, Brandon, Koivisto, Antti, Löndahl, Jakob

“…We calculated the regional deposited dose of inhaled particulate matter based on number/mass concentrations in Amman, Jordan. The dose rate was the highest…”
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Inhalation exposure to nanosized and fine TiO2 particles inhibits features of allergic asthma in a murine model by Rossi, Elina M, Pylkkänen, Lea, Koivisto, Antti J, Nykäsenoja, Heli, Wolff, Henrik, Savolainen, Kai, Alenius, Harri

“…Nanotechnology and engineered nanomaterials (ENM) are here to stay. Recent evidence suggests that exposure to environmental particulate matter exacerbates…”
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Characterization of particle exposure in ferrochromium and stainless steel production by Järvelä, Merja, Huvinen, Markku, Viitanen, Anna-Kaisa, Kanerva, Tomi, Vanhala, Esa, Uitti, Jukka, Koivisto, Antti J., Junttila, Sakari, Luukkonen, Ritva, Tuomi, Timo

“…This study describes workers' exposure to fine and ultrafine particles in the production chain of ferrochromium and stainless steel during sintering,…”
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Safety Assessment of Graphene-Based Materials: Focus on Human Health and the Environment by Fadeel, Bengt, Bussy, Cyrill, Merino, Sonia, Vázquez, Ester, Flahaut, Emmanuel, Mouchet, Florence, Evariste, Lauris, Gauthier, Laury, Koivisto, Antti J., Vogel, Ulla, Martín, Cristina, Delogu, Lucia G., Buerki-Thurnherr, Tina, Wick, Peter, Beloin-Saint-Pierre, Didier, Hischier, Roland, Pelin, Marco, Candotto Carniel, Fabio, Tretiach, Mauro, Cesca, Fabrizia, Benfenati, Fabio, Scaini, Denis, Ballerini, Laura, Kostarelos, Kostas, Prato, Maurizio, Bianco, Alberto

“…Graphene and its derivatives are heralded as “miracle” materials with manifold applications in different sectors of society from electronics to energy storage…”
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Comparison of Geometrical Layouts for a Multi-Box Aerosol Model from a Single-Chamber Dispersion Study by Alexander C. Ø. Jensen, Miikka Dal Maso, Antti J. Koivisto, Emmanuel Belut, Asmus Meyer-Plath, Martie Van Tongeren, Araceli Sánchez Jiménez, Ilse Tuinman, Maida Domat, Jørn Toftum, Ismo K. Koponen

“…Models are increasingly used to estimate and pre-emptively calculate the occupational exposure of airborne released particulate matter. Typical two-box models…”
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Workplace Measurements of Ultrafine Particles-A Literature Review by Viitanen, Anna-Kaisa, Uuksulainen, Sanni, Koivisto, Antti J, Hämeri, Kaarle, Kauppinen, Timo

“…Workers are exposed to ultrafine particles (UFP) in a number of occupations. In order to summarize the current knowledge regarding occupational exposure to UFP…”
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Modeling of High Nanoparticle Exposure in an Indoor Industrial Scenario with a One-Box Model by Ribalta, Carla, Koivisto, Antti J, Salmatonidis, Apostolos, López-Lilao, Ana, Monfort, Eliseo, Viana, Mar

“…Mass balance models have proved to be effective tools for exposure prediction in occupational settings. However, they are still not extensively tested in…”
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Testing the performance of one and two box models as tools for risk assessment of particle exposure during packing of inorganic fertilizer by Ribalta, Carla, Koivisto, Antti J., López-Lilao, Ana, Estupiñá, Sara, Minguillón, María C., Monfort, Eliseo, Viana, Mar

“…Modelling of particle exposure is a useful tool for preliminary exposure assessment in workplaces with low and high exposure concentrations. However, actual…”
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Particle emission rates during electrostatic spray deposition of TiO2 nanoparticle-based photoactive coating by Koivisto, Antti J., Jensen, Alexander C.Ø., Kling, Kirsten I., Kling, Jens, Budtz, Hans Christian, Koponen, Ismo K., Tuinman, Ilse, Hussein, Tareq, Jensen, Keld A, Nørgaard, Asger, Levin, Marcus

“…[Display omitted] •Electrostatic spray deposition (ESD) particle emissions are not well characterized.•Emission rates in s−1 and μg s−1 was defined for ESD of…”
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In vitro and in vivo genotoxic effects of straight versus tangled multi-walled carbon nanotubes by Catalán, Julia, Siivola, Kirsi M., Nymark, Penny, Lindberg, Hanna, Suhonen, Satu, Järventaus, Hilkka, Koivisto, Antti J., Moreno, Carlos, Vanhala, Esa, Wolff, Henrik, Kling, Kirsten I., Jensen, Keld Alstrup, Savolainen, Kai, Norppa, Hannu

“…Some multi-walled carbon nanotubes (MWCNTs) induce mesothelioma in rodents, straight MWCNTs showing a more pronounced effect than tangled MWCNTs. As primary…”
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Particle release and control of worker exposure during laboratory-scale synthesis, handling and simulated spills of manufactured nanomaterials in fume hoods by Fonseca, Ana S., Kuijpers, Eelco, Kling, Kirsten I., Levin, Marcus, Koivisto, Antti J., Nielsen, Signe H., Fransman, W., Fedutik, Yijri, Jensen, Keld A., Koponen, Ismo K.

“…Fume hoods are one of the most common types of equipment applied to reduce the potential of particle exposure in laboratory environments. A number of previous…”
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The general ventilation multipliers calculated by using a standard Near-Field/Far-Field model by Koivisto, Antti J, Jensen, Alexander C Ø, Koponen, Ismo K

“…In conceptual exposure models, the transmission of pollutants in an imperfectly mixed room is usually described with general ventilation multipliers. This is…”
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Size resolved particle emission rates from an evolving indoor aerosol system by Koivisto, Antti J., Yu, Mingzhou, Hämeri, Kaarle, Seipenbusch, Martin

“…Particle emission sources were characterized by evaluating aerosol data from an evolving aerosol with a mathematical model for indoor aerosols. The model…”
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Concept To Estimate Regional Inhalation Dose of Industrially Synthesized Nanoparticles by Koivisto, Antti J, Aromaa, Mikko, Mäkelä, Jyrki M, Pasanen, Pertti, Hussein, Tareq, Hämeri, Kaarle

“…The use of nanoparticles (NPs) in industry is increasing rapidly, but knowledge of the occupational health and safety aspects of NPs is still limited. This is…”
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Exposure Assessment of Particulate Matter from Abrasive Treatment of Carbon and Glass Fibre-Reinforced Epoxy-Composites-Two Case Studies by Jensen, Alexander C.Ø., Levin, Marcus, Koivisto, Antti J., Kling, Kirsten I., Saber, Anne T., Koponen, Ismo K.

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