Lauri Paasonen, Tuomas Sipilä, Astrid Subrizi, Pasi Laurinmäki, Sarah J. Butcher, Michael Rappolt, Anan Yaghmur, Arto Urtti, Marjo Yliperttula,
Tópico(s): RNA Interference and Gene Delivery
2010 - Elsevier BV | Journal of Controlled Release
P.T. Törmä, Jari Kostamo, Heikki Sipilä, Marco Mattila, Pasi Kostamo, Esa Kostamo, Harri Lipsanen, Christian Laubis, Frank Scholze, Nick Nelms, Brian Shortt, Marcos Bavdaz,
The spectral transmittance of a new generation of SiN based X-ray windows is characterized. The windows are strengthened by low aspect-ratio support grid. As expected for this unprecedented thin window material, the transmittance in the soft X-ray spectral region outperforms the present technologies. A detailed study of the various performance properties of the fabricated SiN X-ray windows is presented. Besides their high transmittance, the windows also have high uniformity, high mechanical strength ...
Tópico(s): Silicon Carbide Semiconductor Technologies
2014 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Nuclear Science
P.T. Törmä, H. J. Sipila, M. Mattila, Pasi Kostamo, Jari Kostamo, Esa Kostamo, Harri Lipsanen, Nick Nelms, Brian Shortt, Marcos Bavdaz, Christian Laubis,
We have demonstrated the fabrication of ultra-thin Si fine grid supported silicon nitride X-ray windows. These X-ray windows exhibit unequaled transmission of soft X-rays, high strength and excellent thermal stability. Measured soft X-ray transmission performance is significantly enhanced compared to typical polymer or beryllium based X-ray window structures. A double sided grid structure is used to demonstrate the scaling of the technology to larger areas.
Tópico(s): X-ray Spectroscopy and Fluorescence Analysis
2013 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Nuclear Science
Johanna Jokinen, Daniel White, Maria Salmela, Mikko Huhtala, Jarmo Käpylä, Kalle Sipilä, J. Santeri Puranen, Liisa Nissinen, Pasi Kankaanpää, Varpu Marjomäki, Timo Hyypiä, Mark S. Johnson, Jyrki Heino,
Article19 November 2009free access Molecular mechanism of α2β1 integrin interaction with human echovirus 1 Johanna Jokinen Johanna Jokinen Department of Biochemistry and Food Chemistry, University of Turku, Turku, Finland Search for more papers by this author Daniel J White Daniel J White Department of Biological and Environmental Sciences, University of Jyväskylä, Jyväskylä, Finland Search for more papers by this author Maria Salmela Maria Salmela Department of Biochemistry and Food Chemistry, ...
Tópico(s): Immune Response and Inflammation
2009 - Springer Nature | The EMBO Journal
Markku Kulmala, Tuukka Petäjä, Tuomo Nieminen, Mikko Sipilä, Hanna E. Manninen, Katrianne Lehtipalo, Miikka Dal Maso, Pasi Aalto, Heikki Junninen, Pauli Paasonen, Ilona Riipinen, K. E. J. Lehtinen, Ari Laaksonen, Veli‐Matti Kerminen,
Tópico(s): Atmospheric aerosols and clouds
2012 - Nature Portfolio | Nature Protocols
Leo Niskanen, Jarmo Hahl, Jari Haukka, Elli Leppä, Tatu A. Miettinen, Vasili Mushnikov, Raija Sipilä, Nadia Tamminen, Pia Vattulainen, Pasi K. Korhonen,
To identify how the electronic health record (EHR) systems and national registers can be used for research purposes. We focused on how the primary care physicians adhere to clinical guidelines.Study population included incident type 2 diabetes patients from four selected regions. Data were collected in two phases. At the first phase study cohort was identified using the prescription registers of the Social Insurance Institution (SII) and EHR systems used within the study regions. At second phase, ...
Tópico(s): Diabetes Management and Research
2018 - Springer Science+Business Media | Acta Diabetologica
Pasi Koskimies, Jérôme Levallet, Petra Sipilä, Ilpo Huhtaniemi, Matti Poutanen,
The gene for mouse relaxin-like factor (RLF), a member of the insulin/IGF/relaxin family of hormones, appears to be predominantly expressed in testicular Leydig cells. Mice deficient in RLF have revealed a role for this peptide in testicular descent, but the regulatory mechanisms of its function are still insufficiently characterized. In the present study we showed that the RLF promoter was active in both mLTC-1 Leydig cells and luteinized KK-1 granulosa tumor cells. Interestingly, the activity of ...
Tópico(s): Testicular diseases and treatments
2002 - Oxford University Press | Endocrinology
Pasi Vainikka, Eemeli Tsupari, Kai Sipilä, Mikko Hupa,
Three alternative condensing mode power and combined heat and power (CHP) waste-to-energy concepts were compared in terms of their impacts on the greenhouse gas (GHG) emissions from a heat and power generation system. The concepts included (i) grate, (ii) bubbling fluidised bed (BFB) and (iii) circulating fluidised bed (CFB) combustion of waste. The BFB and CFB take advantage of advanced combustion technology which enabled them to reach electric efficiency up to 35% and 41% in condensing mode, respectively, ...
Tópico(s): Recycling and utilization of industrial and municipal waste in materials production
2011 - Elsevier BV | Waste Management
Heikki Tuominen, Atte Haarala, Antti Tikkakoski, Pasi Korkola, Mika Kähönen, Kjell Nikus, Kalle Sipilä,
Fluorodeoxyglucose positron emission tomography (FDG-PET) is a non-invasive imaging modality that has been shown to be a feasible method to demonstrate myocardial inflammation. The aim of this study was to identify the patients suspected of having cardiac sarcoidosis (CS), who are most likely to benefit from PET imaging. 137 patients suspected of having CS underwent a dedicated cardiac FDG-PET examination at Tampere University Hospital between August 2012 and September 2015. These examinations were ...
Tópico(s): Occupational exposure and asthma
2017 - Springer Science+Business Media | Journal of Nuclear Cardiology
Markku Kulmala, Jenni Kontkanen, Heikki Junninen, Katrianne Lehtipalo, Hanna E. Manninen, Tuomo Nieminen, Tuukka Petäjä, Mikko Sipilä, Siegfried Schobesberger, Pekka Rantala, Alessandro Franchin, Tuija Jokinen, Emma Järvinen, Mikko Äijälä, Juha Kangasluoma, Jani Hakala, Pasi Aalto, Pauli Paasonen, Jyri Mikkilä, Joonas Vanhanen, Juho Aalto, Hannele Hakola, Ulla Makkonen, T. M. Ruuskanen, Roy L. Mauldin, Jonathan Duplissy, Hanna Vehkamäki, Jaana Bäck, Aki Kortelainen, Ilona Riipinen, Theo Kurtén, Murray V. Johnston, James N. Smith, Mikael Ehn, Thomas F. Mentel, K. E. J. Lehtinen, Ari Laaksonen, Veli‐Matti Kerminen, Douglas R. Worsnop,
Atmospheric nucleation is the dominant source of aerosol particles in the global atmosphere and an important player in aerosol climatic effects. The key steps of this process occur in the sub-2-nanometer (nm) size range, in which direct size-segregated observations have not been possible until very recently. Here, we present detailed observations of atmospheric nanoparticles and clusters down to 1-nm mobility diameter. We identified three separate size regimes below 2-nm diameter that build up a ...
Tópico(s): Air Quality and Health Impacts
2013 - American Association for the Advancement of Science | Science
Pasi Kostamo, M. Shorohov, V. Gostilo, Heikki Sipilä, V. Kozlov, I. S. Lisitsky, М. С. Кузнецов, A. Lankinen, A.N. Danilewsky, Harri Lipsanen, Markku Leskelä,
Crystal quality of radiation detector-grade TlBr material was analyzed by X-ray diffraction and synchrotron X-ray topography methods. The analyzed TlBr crystals were further processed for electrical characterization and current–voltage characteristics were measured at a temperature range of 210–320 K. The crystals studied in this work were grown by the Bridgman–Stockbarger process. X-ray diffraction measurements show the presence of small-angle grain boundaries in the crystals. The crystal with ...
Tópico(s): Semiconductor Quantum Structures and Devices
2009 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Jasmin Tröstl, Wayne K. Chuang, Hamish Gordon, Martin Heinritzi, Chao Yan, Ugo Molteni, L. Ahlm, Carla Frege, Federico Bianchi, Robert Wagner, Mario Simon, Katrianne Lehtipalo, Christina Williamson, J. S. Craven, Jonathan Duplissy, Alexey Adamov, J. Almeida, Anne-Kathrin Bernhammer, Martin Breitenlechner, Sophia Brilke, António Dias, Sebastian Ehrhart, Richard C. Flagan, Alessandro Franchin, Claudia Fuchs, R. Guida, Martin Gysel‐Beer, Armin Hansel, C. R. Hoyle, Tuija Jokinen, Heikki Junninen, Juha Kangasluoma, Helmi Keskinen, Jaeseok Kim, Manuel Krapf, Andreas Kürten, Ari Laaksonen, Michael J. Lawler, Markus Leiminger, Serge Mathot, Ottmar Möhler, Tuomo Nieminen, Antti Onnela, Tuukka Petäjä, Felix Piel, Pasi Miettinen, Matti Rissanen, L. Rondo, Nina Sarnela, Siegfried Schobesberger, Kamalika Sengupta, Mikko Sipilä, James N. Smith, Gerhard Steiner, António Tomé, Annele Virtanen, Andrea C. Wagner, E. Weingartner, Daniela Wimmer, Paul M. Winkler, Penglin Ye, K. S. Carslaw, Joachim Curtius, Josef Dommen, J. Kirkby, Markku Kulmala, Ilona Riipinen, Douglas R. Worsnop, Neil M. Donahue, Urs Baltensperger,
Abstract About half of present-day cloud condensation nuclei originate from atmospheric nucleation, frequently appearing as a burst of new particles near midday 1 . Atmospheric observations show that the growth rate of new particles often accelerates when the diameter of the particles is between one and ten nanometres 2,3 . In this critical size range, new particles are most likely to be lost by coagulation with pre-existing particles 4 , thereby failing to form new cloud condensation nuclei that are ...
Tópico(s): Atmospheric Ozone and Climate
2016 - Nature Portfolio | Nature
Helmi Keskinen, Annele Virtanen, Jorma Joutsensaari, Georgios Tsagkogeorgas, Jonathan Duplissy, Siegfried Schobesberger, Martin Gysel‐Beer, Francesco Riccobono, Jay G. Slowik, Federico Bianchi, Taina Yli‐Juuti, Katrianne Lehtipalo, L. Rondo, Martin Breitenlechner, Agnieszka Kupc, J. Almeida, A. Amorim, E. M. Dunne, A. Downard, Sebastian Ehrhart, Alessandro Franchin, M. K. Kajos, J. Kirkby, Andreas Kürten, Tuomo Nieminen, В. С. Махмутов, Serge Mathot, Pasi Miettinen, Antti Onnela, Tuukka Petäjä, Arnaud P. Praplan, Filipe Duarte Santos, Simon Schallhart, Mikko Sipilä, Y. I. Stozhkov, António Tomé, P. Vaattovaara, Daniela Wimmer, Andrê S. H. Prévôt, Josef Dommen, Neil M. Donahue, Richard C. Flagan, E. Weingartner, Y. Viisanen, Ilona Riipinen, Armin Hansel, Joachim Curtius, Markku Kulmala, Douglas R. Worsnop, Urs Baltensperger, Heike Wex, Frank Stratmann, Ari Laaksonen,
Abstract. Sulphuric acid, ammonia, amines, and oxidised organics play a crucial role in nanoparticle formation in the atmosphere. In this study, we investigate the composition of nucleated nanoparticles formed from these compounds in the CLOUD (Cosmics Leaving Outdoor Droplets) chamber experiments at CERN (Centre européen pour la recherche nucléaire). The investigation was carried out via analysis of the particle hygroscopicity, ethanol affinity, oxidation state, and ion composition. Hygroscopicity ...
Tópico(s): Atmospheric aerosols and clouds
2013 - Copernicus Publications | Atmospheric chemistry and physics
Urho M. Kujala, Ville‐Petteri Mäkinen, Ilkka Heinonen, Pasi Soininen, Antti J. Kangas, Tuija Leskinen, Paavo Rahkila, Peter Würtz, Vuokko Kovanen, Sulin Cheng, Sarianna Sipilä, Mirja Hirvensalo, R. Telama, Tuija Tammelin, Markku J. Savolainen, Anneli Pouta, Paul F. O’Reilly, Pekka Mäntyselkä, Jorma Viikari, Mika Kähönen, Terho Lehtimäki, Paul Elliott, Mauno Vanhala, Olli T. Raitakari, Marjo‐Riitta Järvelin, Jaakko Kaprio, Heikki Kainulainen, Mika Ala‐Korpela,
Background— Long-term physical inactivity seems to cause many health problems. We studied whether persistent physical activity compared with inactivity has a global effect on serum metabolome toward reduced cardiometabolic disease risk. Methods and Results— Sixteen same-sex twin pairs (mean age, 60 years) were selected from a cohort of twin pairs on the basis of their >30-year discordance for physical activity. Persistently (≥5 years) active and inactive groups in 3 population-based cohorts (mean ages, ...
Tópico(s): Diet and metabolism studies
2012 - Lippincott Williams & Wilkins | Circulation
V. Kozlov, H. Andersson, V. Gostilo, Marianna Kemell, Pasi Kostamo, M. S. Kouznetsov, Markku Leskelä, Harri Lipsanen, I. S. Lisitsky, M. Shorohov, Heikki Sipilä,
TlBr is a promising material for gamma-ray detectors; however, it has crystal quality problems originated from the crystal growth itself and further treatments during detector fabrication. The effect of technological improvements on crystal quality has been studied in this work. Low performance of studied detectors was shown to be associated with residual stress or/and small-angle grain boundaries in these crystals. Several crystals failed as detectors were proved to contain impurities.
Tópico(s): Nuclear Physics and Applications
2009 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
E. M. Dunne, Hamish Gordon, Andreas Kürten, J. Almeida, Jonathan Duplissy, Christina Williamson, Ismaël K. Ortega, K. J. Pringle, Alexey Adamov, Urs Baltensperger, P. Barmet, François Benduhn, Federico Bianchi, Martin Breitenlechner, A. D. Clarke, Joachim Curtius, Josef Dommen, Neil M. Donahue, Sebastian Ehrhart, Richard C. Flagan, Alessandro Franchin, R. Guida, Jani Hakala, Armin Hansel, Martin Heinritzi, Tuija Jokinen, Juha Kangasluoma, J. Kirkby, Markku Kulmala, Agnieszka Kupc, Michael J. Lawler, Katrianne Lehtipalo, В. С. Махмутов, G. W. Mann, Serge Mathot, Joonas Merikanto, Pasi Miettinen, Athanasios Nenes, Antti Onnela, Alexandru Rap, Carly Reddington, Francesco Riccobono, N. A. D. Richards, Matti Rissanen, L. Rondo, Nina Sarnela, Siegfried Schobesberger, Kamalika Sengupta, Mario Simon, Mikko Sipilä, James N. Smith, Yuri Stozkhov, António Tomé, Jasmin Tröstl, Paul Wagner, Daniela Wimmer, Paul M. Winkler, Douglas R. Worsnop, K. S. Carslaw,
Observations made in the CLOUD chamber at CERN illuminate atmospheric particle formation.
Tópico(s): Atmospheric Ozone and Climate
2016 - American Association for the Advancement of Science | Science
Antti Säynätjoki, Pasi Kostamo, Jaakko Sormunen, Juha Riikonen, A. Lankinen, Harri Lipsanen, H. Andersson, K. Banzuzi, S. Nenonen, Heikki Sipilä, S. Vaijärvi, D. Lumb,
Tópico(s): Radiation Detection and Scintillator Technologies
2006 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Mervi Könönen, Ari Pääkkönen, Perttu Sipilä, Kaarina Partanen, Pasi A. Karjalainen, Hannu J. Aronen,
Tópico(s): Advanced Neuroimaging Techniques and Applications
2000 - Elsevier BV | NeuroImage
O. Vilhu, J. Huovelin, Tuomo Tikkanen, Pasi Hakala, P. Muhli, Veikko J. Kamarainen, Heikki Sipilä, I. Taylor, Juha Pohjonen, Heikki Paivike, Jukka Toivanen, R. Sunyaev, Aleksander E. Kuznetsov, A.T. Abrosimov,
SIXA is one of the focal plane detectors of the SODART telescope on board the Spectrum-X-Gamma satellite. The detector consists of 19 circular Si(Li) elements, each with an active diameter of 9.2 mm and thickness of 3 mm. A radiative cooler will be used to bring the detector to the proper operating temperature (110–125 K). Photons can be recorded in the energy range of 0.5–20 keV with 20a 30 µs time resolution, 200 eV energy resolution and with an effective area of approximately 750 cm2 at 6 keV. ...
Tópico(s): Radiation Detection and Scintillator Technologies
1998 - IOP Publishing | Physica Scripta
A. Lankinen, L. Knuuttila, Jaakko Tuomilehto, Pasi Kostamo, Antti Säynätjoki, Juha Riikonen, Harri Lipsanen, P.J. McNally, Xiaoqing Lü, Heikki Sipilä, S. Vaijärvi, D. Lumb,
Tópico(s): Semiconductor Quantum Structures and Devices
2006 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Jarkko Salojärvi, Olli‐Pekka Smolander, Kaisa Nieminen, Sitaram Rajaraman, Omid Safronov, Pezhman Safdari, Airi Lamminmäki, Juha Immanen, Tianying Lan, Jaakko Tanskanen, Pasi Rastas, Ali Amiryousefi, Balamuralikrishna Jayaprakash, Juhana Kammonen, Risto Hagqvist, Gugan Eswaran, Viivi Ahonen, Juan Alonso‐Serra, Fred O. Asiegbu, Juan de Dios Barajas-López, Daniel Blande, Olga Blokhina, Tiina Blomster, Suvi Broholm, Mikael Brosché, Fuqiang Cui, Chris Dardick, Sanna Ehonen, Paula Elomaa, Sacha Escamez, Kurt Fagerstedt, Hiroaki Fujii, Adrien Gauthier, Peter J. Gollan, Pauliina Halimaa, Pekka Heino, Kristiina Himanen, Courtney A. Hollender, Saijaliisa Kangasjärvi, Leila Kauppinen, Colin T. Kelleher, Sari Kontunen‐Soppela, Jouko Koskinen, Andriy Kovalchuk, Sirpa Kärenlampi, Anna Kärkönen, Kean‐Jin Lim, Johanna Leppälä, Lee Macpherson, Juha Mikola, Katriina Mouhu, Ari Pekka Mähönen, Ülo Niinemets, Elina Oksanen, Kirk Overmyer, E. Tapio Palva, Leila Pazouki, Ville Pennanen, Tuula Puhakainen, Péter Poczai, Boy J.H.M. Possen, Matleena Punkkinen, Moona Rahikainen, Matti Rousi, Raili Ruonala, Christiaan van der Schoot, Alexey Shapiguzov, Maija Sierla, Timo P. Sipilä, Suvi Sutela, Teemu H. Teeri, Arja Tervahauta, Aleksia Vaattovaara, Jorma Vahala, Lidia Vetchinnikova, Annikki Welling, Michael Wrzaczek, Enjun Xu, Lars Paulín, Alan H. Schulman, Martin Lascoux, Victor A. Albert, Petri Auvinen, Ykä Helariutta, Jaakko Kangasjärvi,
Silver birch (Betula pendula) is a pioneer boreal tree that can be induced to flower within 1 year. Its rapid life cycle, small (440-Mb) genome, and advanced germplasm resources make birch an attractive model for forest biotechnology. We assembled and chromosomally anchored the nuclear genome of an inbred B. pendula individual. Gene duplicates from the paleohexaploid event were enriched for transcriptional regulation, whereas tandem duplicates were overrepresented by environmental responses. Population ...
Tópico(s): Genomics and Phylogenetic Studies
2017 - Nature Portfolio | Nature Genetics
K. Rasilainen, Pasi Eilu, Tapio Halkoaho, Timo Heino, Irmeli Huovinen, Markku Iljina, Heikki Juopperi, Tuomo Karinen, Niilo Kärkkäinen, Antero Karvinen, Asko Kontinen, Olavi Kontoniemi, Jukka Kousa, Laura S. Lauri, Kirsi Lepistö, J. Luukas, Hannu Makkonen, Tuomo Manninen, Tero Niiranen, Jarmo Nikander, K. Pietikäinen, J. Räsänen, Pekka Sipilä, P. Sorjonen-Ward, Markku Tiainen, Mikko Tontti, T. Törmänen, Kaj Västi,
This paper summarises the results of probabilistic estimates of the amounts of Cu, Zn, Pb, Ni, Co, Pt, Pd, Au, Ag and Mo in undiscovered orogenic Au, volcanogenic massive sulphide (VMS), porphyry Cu, Outokumpu-type Cu-Zn-Co, synorogenic intrusion-related Ni-Cu, komatiite-related Ni, and layered intrusion-hosted contact-type and reef-type PGE deposits in Finland. The assessments were carried out down to the depth of one kilometre using the three-part quantitative assessment method. Permissive areas ( ...
Tópico(s): earthquake and tectonic studies
2016 - Elsevier BV | Ore Geology Reviews
M. Grandé, R. Browning, Nicholas R. Waltham, Douglas J. Parker, S. K. Dunkin, Brian R. Kent, B. J. Kellett, C. H. Perry, B. M. Swinyard, Adam J. Perry, J Feraday, C. Howe, Geoff McBride, K. J. H. Phillips, J. Huovelin, P. Muhli, Pasi Hakala, O. Vilhu, J. Laukkanen, N. Thomas, David W. Hughes, H. Alleyne, M. M. Grady, R. Lundin, S. Barabash, D. M. H. Baker, P. E. Clark, C. D. Murray, J. E. Guest, I. Casanova, L. d’Uston, S. Maurice, B. Foing, David Heather, V. A. Fernandes, K. Muinonen, S. S. Russell, Apostolos Christou, C. J. Owen, P. A. Charles, H. Koskinen, M. Kato, K Sipila, S. Nenonen, Mats Holmström, N. Bhandari, R. C. Elphic, D. J. Lawrence,
The D-CIXS Compact X-ray Spectrometer will provide high quality spectroscopic mapping of the Moon, the primary science target of the ESA SMART-1 mission. D-CIXS consists of a high throughput spectrometer, which will perform spatially localised X-ray fluorescence spectroscopy. It will also carry a solar monitor, to provide the direct calibration needed to produce a global map of absolute lunar elemental abundances, the first time this has been done. Thus it will achieve ground breaking science within ...
Tópico(s): Nuclear Physics and Applications
2003 - Elsevier BV | Planetary and Space Science
S. K. Dunkin, M. Grandé, I. Casanova, V. A. Fernandes, David Heather, B. J. Kellett, K. Muinonen, S. S. Russell, R. Browning, Nick Waltham, Douglas J. Parker, Brian R. Kent, C. H. Perry, B. M. Swinyard, Adam J. Perry, J Feraday, C. Howe, K. J. H. Phillips, Geoff McBride, J. Huovelin, P. Muhli, Pasi Hakala, O. Vilhu, N. Thomas, David W. Hughes, H. Alleyne, M. M. Grady, R. Lundin, S. Barabash, D. M. H. Baker, P. E. Clark, C. D. Murray, J. E. Guest, L. d’Uston, S. Maurice, B. Foing, Apostolos Christou, C. J. Owen, P. A. Charles, J. Laukkanen, H. Koskinen, M. Kato, K Sipila, S. Nenonen, Mats Holmström, N. Bhandari, R. C. Elphic, D. J. Lawrence,
The D-CIXS X-ray spectrometer on ESA's SMART-1 mission will provide the first global coverage of the lunar surface in X-rays, providing absolute measurements of elemental abundances. The instrument will be able to detect elemental Fe, Mg, Al and Si under normal solar conditions and several other elements during solar flare events. These data will allow for advances in several areas of lunar science, including an improved estimate of the bulk composition of the Moon, detailed observations of the ...
Tópico(s): Space Science and Extraterrestrial Life
2003 - Elsevier BV | Planetary and Space Science
O. Vilhu, J. Huovelin, Tuomo Tikkanen, Pasi Hakala, P. Muhli, Veikko J. Kamarainen, Heikki Sipilä, I. Taylor, Juha Pohjonen, Heikki Paivike, Jukka Toivanen, R. Sunyaev, Aleksander E. Kuznetsov, A.T. Abrosimov,
The Spectrum-X-Gamma satellite is scheduled for launch in 1995-96. Mission objectives include broad and narrow band imaging spectroscopy over a wide range of energies from the EUV through hard X-rays with an emphasis on studying galactic and extragalactic X-ray sources. Timing and moderate resolution spectroscopy can be performed with the solid state spectrometer SIXA (Silicon X-Ray Array), placed on the focal plane of the SODART telescope with total effective area of 1150 cm 2 at 6 keV (for f equals ...
Tópico(s): Particle Detector Development and Performance
1994 - SPIE | Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE
Pasi Kostamo, Antti Säynätjoki, L. Knuuttila, Harri Lipsanen, H. Andersson, K. Banzuzi, S. Nenonen, Heikki Sipilä, S. Vaijärvi, D. Lumb,
In this paper we present a novel germanium/gallium arsenide heterostructure X-ray detector with the active volume of germanium. The heterostructure is fabricated by depositing a gallium arsenide layer on a high-purity germanium wafer in a vertical metalorganic vapor-phase epitaxy system. This approach provides a new alternative to traditional lithium diffused n+ contact which is not easily applicable for finely pixelated detectors. The detector chip fabrication utilizing this kind of heterostructure ...
Tópico(s): Advanced Semiconductor Detectors and Materials
2006 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Jarkko Salojärvi, Olli‐Pekka Smolander, Kaisa Nieminen, Sitaram Rajaraman, Omid Safronov, Pezhman Safdari, Airi Lamminmäki, Juha Immanen, Tianying Lan, Jaakko Tanskanen, Pasi Rastas, Ali Amiryousefi, Balamuralikrishna Jayaprakash, Juhana Kammonen, Risto Hagqvist, Gugan Eswaran, Viivi Ahonen, Juan Alonso‐Serra, Fred O. Asiegbu, Juan de Dios Barajas-López, Daniel Blande, Olga Blokhina, Tiina Blomster, Suvi Broholm, Mikael Brosché, Fuqiang Cui, Chris Dardick, Sanna Ehonen, Paula Elomaa, Sacha Escamez, Kurt Fagerstedt, Hiroaki Fujii, Adrien Gauthier, Peter J. Gollan, Pauliina Halimaa, Pekka Heino, Kristiina Himanen, Courtney A. Hollender, Saijaliisa Kangasjärvi, Leila Kauppinen, Colin T. Kelleher, Sari Kontunen‐Soppela, Jouko Koskinen, Andriy Kovalchuk, Sirpa Kärenlampi, Anna Kärkönen, Kean‐Jin Lim, Johanna Leppälä, Lee Macpherson, Juha Mikola, Katriina Mouhu, Ari Pekka Mähönen, Ülo Niinemets, Elina Oksanen, Kirk Overmyer, E. Tapio Palva, Leila Pazouki, Ville Pennanen, Tuula Puhakainen, Péter Poczai, Boy J.H.M. Possen, Matleena Punkkinen, Moona Rahikainen, Matti Rousi, Raili Ruonala, Christiaan van der Schoot, Alexey Shapiguzov, Maija Sierla, Timo P. Sipilä, Suvi Sutela, Teemu H. Teeri, Arja Tervahauta, Aleksia Vaattovaara, Jorma Vahala, Lidia Vetchinnikova, Annikki Welling, Michael Wrzaczek, Enjun Xu, Lars Paulín, Alan H. Schulman, Martin Lascoux, Victor A. Albert, Petri Auvinen, Ykä Helariutta, Jaakko Kangasjärvi,
In the version of this article initially published, there was a mistake in the calculation of the nucleotide mutation rate per site per generation: 1 × 10−9 mutations per site per generation was used, whereas 9.5 × 10−9 was correct. This error affects the interpretation of population-size changes over time and their possible correspondence with known geological events, as shown in the original Fig. 4 and supporting discussion in the text, as well as details in the Supplementary Note. Neither the data ...
Tópico(s): Invertebrate Taxonomy and Ecology
2019 - Nature Portfolio | Nature Genetics
Helmi Keskinen, Annele Virtanen, Jorma Joutsensaari, Georgios Tsagkogeorgas, Jonathan Duplissy, Siegfried Schobesberger, Martin Gysel‐Beer, Francesco Riccobono, Jay G. Slowik, Federico Bianchi, Taina Yli‐Juuti, Katrianne Lehtipalo, L. Rondo, Martin Breitenlechner, Agnieszka Kupc, Juliana M. P. Almeida, A. Amorim, E. M. Dunne, A. Downard, Sebastian Ehrhart, Alessandro Franchin, M. K. Kajos, J. Kirkby, Andreas Kürten, Tuomo Nieminen, В. С. Махмутов, Serge Mathot, Pasi Miettinen, Antti Onnela, Tuukka Petäjä, Arnaud P. Praplan, Filipe Duarte Santos, Simon Schallhart, Mikko Sipilä, Y. I. Stozhkov, António Tomé, P. Vaattovaara, Daniela Wimmer, Andrê S. H. Prévôt, Josef Dommen, Neil M. Donahue, Richard C. Flagan, E. Weingartner, Y. Viisanen, Ilona Riipinen, Armin Hansel, Joachim Curtius, Markku Kulmala, Douglas R. Worsnop, Urs Baltensperger, Heike Wex, Frank Stratmann, Ari Laaksonen,
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation H. Keskinen, A. Virtanen, J. Joutsensaari, G. Tsagkogeorgas, J. Duplissy, S. Schobesberger, M. Gysel, F. Riccobono, J. G. Slowik, F. Bianchi, T. Yli-Juuti, K. Lehtipalo, L. Rondo, M. Breitenlechner, A. Kupc, J. Almeida, A. Amorim, E. M. Dunne, A. J. Downard, S. Ehrhart, A. Franchin, ...
Tópico(s): Atmospheric chemistry and aerosols
2013 - American Institute of Physics | AIP conference proceedings