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Wyświetlanie 1-10 z 144
Tytuł:
miRNAtools : advanced training using the miRNA web of knowledge
Autorzy:
Enguita, Francisco J.
Stępień, Ewa
Costa, Marina C.
Opis:
Micro-RNAs (miRNAs) are small non-coding RNAs that act as negative regulators of the genomic output. Their intrinsic importance within cell biology and human disease is well known. Their mechanism of action based on the base pairing binding to their cognate targets have helped the development not only of many computer applications for the prediction of miRNA target recognition but also of specific applications for functional assessment and analysis. Learning about miRNA function requires practical training in the use of specific computer and web-based applications that are complementary to wet-lab studies. In order to guide the learning process about miRNAs, we have created miRNAtools (http://mirnatools.eu), a web repository of miRNA tools and tutorials. This article compiles tools with which miRNAs and their regulatory action can be analyzed and that function to collect and organize information dispersed on the web. The miRNAtools website contains a collection of tutorials that can be used by students and tutors engaged in advanced training courses. The tutorials engage in analyses of the functions of selected miRNAs, starting with their nomenclature and genomic localization and finishing with their involvement in specific cellular functions.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Autorzy:
Agondi, R. C.
Campos, R.
Bouillet, L.
Fomina, D.
Wedi, B.
Ben‐Shoshan, M.
Abuzakouk, M. M.
Santucci, A.
Magerl, M.
Sousa Pinto, B.
Veleiro Perez, B.
Gelincik, A.
Salman, A.
Valle, S.
Guidos Fogelbach, G.
Geng, S.
Kapp, A.
de Montjoye, L.
Godse, K.
Fukunaga, A.
Carne, E.
Popov, T.
Doutre, M. S.
Medina, I.
Calderon, O.
Craig, T.
Tsatsou, F.
Stevanovic, K.
Conlon, N.
Kinaciyan, T.
Choo, K.
Schliemann, S.
Staevska, M.
Zeyen, C.
Kuprys‐Lipinska, I.
Christoff, G.
Ogueta Canales, I.
Yosipovitch, G.
Pereira, M. P.
Riedl, M.
Maruta, C. W.
Marzano, A. V.
Pigatto, P. D.
Karam, M.
Çetinarslan, T.
Elmariah, S.
Stingeni, L.
Alangari, A. A.
Gonçalo, M.
Xepapadaki, P.
Rosmaninho, I.
Cerecedo, I.
Zhao, Z.
Criado, P.
Buttgereit, T.
Micallef, D.
Sheikh, F.
Brockow, K.
Heuer, R.
Hide, M.
Nast, A.
Yap, E. W. Y.
Ertaş, R.
Saleh Al Sabbagh, F.
Konstantinou, G. N.
Valerieva, A.
Toubi, E.
De Arruda Chaves, E.
Pawankar, R.
Darlenski, R.
Sahiner, U. M.
Ciupka, K.
Guillod, R.
Giménez‐Arnau, A. M.
Su Küçük, Ö.
Grattan, C.
Bindslev‐Jensen, C.
Kumaran, M. S.
Danilycheva, I.
Podder, I.
Chkhikvadze, N.
Sabato, V.
Costa, C.
Al‐Tamemi, S.
Pennitz, A.
Lazaridou, E.
Kulthanan, K.
Francescantonio, I.
Grosber, M.
Sussman, G.
Hoetzenecker, W.
Labrador, M.
Kolacinska‐Flont, M.
Doorn, M. v.
Metz, M.
Rutkowski, K.
Kolkhir, P.
Turk, M.
Elkhalifa, S.
Alonso Bello, C. D.
Larenas‐Linnemann, D.
Abdul Hameed Ansari, Z.
Bonnekoh, H.
Ratti Sisa, H. A.
Brzoza, Z.
Munoz, M.
Guilarte, M.
Schmid‐Grendelmeier, P.
Szegedi, A.
Thomsen, S. F.
Peter, J.
Bangert, C.
Gotua, M.
Shendi, H.
Xiang, Y.
Alves Marcelino, J.
Caballero, T.
Werner, R. N.
Oude Elberink, H. N. G.
Galvan Calle, C. A.
Zuberbier, T.
Soria, A.
Staubach, P.
Recto, M.
Fok, J. S.
Rosario Filho, N.
Parisi, C.
Teovska Mitrevska, N.
Vestergaard, C.
Zalewska‐Janowska, A. Z. J.
Li, P. H.
Ye, Y.‐M.
Ress, K.
Rudenko, M.
Kocatürk, E.
Özkaya, E.
Al Wahshi, H.
Chong‐Neto, H. J.
Khoshkhui, M.
Orfali, R. L.
Okas, T.‐L.
Fachini Jardim Criado, R.
Asero, R.
Altrichter, S.
Sonomjamts, M.
Takahagi, S.
Chu, C.‐Y.
Kessel, A.
Vadasz, Z.
Alhameli, H.
Arnaout, R.
Kang, H.‐R.
Nakonechna, A.
Vera Ayala, C. E.
Makris, M.
Rukhadze, M.
Kim, B.
El‐Shanawany, T.
Porębski, Grzegorz
Salvo, F.
Latysheva, E.
Kosnik, M.
Ballmer‐Weber, B.
Boccon‐Gibod, I.
Agcaoili‐De Jesus, M. S.
Garcia, E.
Cancian, M.
Katelaris, C. H.
Krasowska, D.
Al‐Ahmad, M.
Vieira, R. J.
Yong, P.
Hamelmann, E.
Hayama, K.
Kaplan, A.
Meshkova, R.
Pyatilova, P.
Inomata, N.
Netchiporouk, E.
Stephan, M.
Sanchez, J.
Bulkhi, A.
Ebo, D.
Bulatović Ćalasan, M.
Nasr, I.
Tanaka, A.
Serpa, F.
Ensina, L. F.
Hawkes, J.
Saini, S.
Ferrucci, S.
Stobiecki, Marcin
Bizjak, M.
Mortz, C. G.
Lippert, U.
Sekerel, B. E.
Ridge, K.
Alshareef, S.
Bygum, A.
Ritchie, C.
Aquilina, S.
Nettis, E.
Mohammed Ali, R.
Bernstein, J.
Castor, M. A.
Abdul Latiff, A. H.
Kasperska‐Zajac, A.
Nieto, S.
Siebenhaar, F.
Larco, J. I.
Gáspár, K.
Cherrez‐Ojeda, I.
Bauer, A.
Fouda, G.
Petkova, E.
Ferrer, M.
Fonacier, L.
Ramon, G. D.
Araújo, M.
Sheikh, J.
Lima, H.
Du‐Thanh, A.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Effects of disinfectant fogging procedure on dust, ammonia concentration, aerobic bacteria and fungal spores in a farrowing-weaning room
Autorzy:
Costa, A.
Colosio, C.
Gusmara, C.
Sala, V.
Guarino, M.
Wydawca:
Instytut Medycyny Wsi
Powiązania:
https://bibliotekanauki.pl/articles/50123.pdf  Link otwiera się w nowym oknie
Opis:
Introduction and Objective. In the last decades, large-scale swine production has led to intensive rearing systems in which air quality can be easily degraded by aerial contaminants that can pose a health risk to the pigs and farm workers. This study evaluated the effects of fogging disinfectant procedure on productive performance, ammonia and dust concentration, aerobic bacteria and fungal spores spreading in the farrowing–weaning room. Materials and Method. This trial was conducted in 2 identical farrowing-weaning rooms of a piggery. In both rooms, 30 pregnant sows were lodged in individual cages. At 75 days of age, the piglets were moved to the fattening room. In the treated room, with the birth of the first suckling-pig, the fogging disinfection with diluted Virkon S was applied once a day in the experimental room per 15 minutes at 11:00. The fogging disinfectant treatment was switched between rooms at the end of the first trial period. Temperature, relative humidity, dust (TSP-RF fractions and number of particles), ammonia concentration and aerial contaminants (enterococci, Micrococcaeae and fungal spores) were monitored in both rooms. Results. Ammonia concentration reduction induced by fogging disinfection was estimated 18%, total suspended particles and the respirable fraction were significantly lower in the experimental room. Fungal spores resulted in a significant reduction by the fogging procedure, together with dust respirable fraction and fine particulate matter abatement. Conclusions. The fogging disinfection procedure improved air quality in the piggery, thereby enhancing workers and animals health.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation modelling of Vitória-Minas closed-loop rail network
Modelagem de simulação do circuito fechado da ferrovia Vitória Á Minas
Autorzy:
Faria, C. H. F. de
Cruz, M. M. da Costa
Tematy:
railway
simulation
closed loop
heavy haul
transportation of iron ore
rolling stock
kolej żelazna
symulacja
pętla zamknięta
transport rud żelaza
tabor kolejowy
Pokaż więcej
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Powiązania:
https://bibliotekanauki.pl/articles/375477.pdf  Link otwiera się w nowym oknie
Opis:
This paper presents a closed loop simulation model that represents the mining logistics chain of the Vitória Minas Railway (VMR), Brazil. The simulator includes the loading process, circulation of loaded trains, unloading of ores for external and internal markets and the distribution of empty trains for new loads. General cargo and passengers trains are also included in the model, which, along with the queues formed in the circulation and the preventive and corrective maintenance of rolling stock, tracks and equipment, interfere with the transportation of iron ore. The primary objective of the iron ore transport is to meet the daily loading and unloading schedules and minimize queues by maximizing the operations at the loading and unloading points. The VMR simulator developed uses macro-mesoscopic approach with Monte Carlo simulation. To validate the simulator, we used actual data of the railway and compared with reality. We obtained a very good adhesion to the value of 2.9% for the validation scenario (Scenario 1) and 3.4% for the scenario with reducing the number of lots of wagons (Scenario 2). We concluded with this simulation that it is possible to reduce the number of GDE wagons without reducing the current level of productivity of the rail system.
Este artigo apresenta o modelo de simulação do circuito fechado da rede logística de minério de ferro da ferrovia Vitória Á Minas (VMR), Brasil. O simulador inclui o processo de carregamento, circulação dos trens carregados, descarregamento para os mercados externos e internos e a distribuição dos trens vazios para novos carregamentos. Os trens de carga geral e de passageiros também foram incluídos no modelo, bem como suas filas de formação e as manutenções preventivas e corretivas do material rodante, que interferem no transporte do minério de ferro. O principal objetivo do transporte de minério de ferro é atender as programações de carregamento e descarregamento e minimizar as filas maximizando as operações nos pontos de carregamento e descarregamento. O simulador VMR desenvolvido utiliza uma abordagem macro-mesoscópica de simulação de Monte Carlo. Para validar o simulador, foi utilizado dados da ferrovia e comparado com a realidade. Obtivemos uma aderência muito de 2,9% para o cenário de validação (cenário 1) e 3,4% para o cenário com a redução do número de lotes de vagão (cenário 2). Concluímos que com esta simulação é possível reduz o número de lotes de vagões GDE sem reduzir a produtividade da ferrovia.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Relationship between performance, dry-land power and kinematics in master swimmers
Autorzy:
Espada, M. C.
Costa, M. J.
Costa, A. M.
Silva, A. J.
Barbosa, T. M.
Pereira, A. F.
Tematy:
pływanie
kinematyka
energia
master swimmers
kinematic
dry-land power
performance
Pokaż więcej
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:
https://bibliotekanauki.pl/articles/307228.pdf  Link otwiera się w nowym oknie
Opis:
The purpose of the study was to analyze the relationships between sprint swimming performance, dry-land power, and kinematics in master swimmers. Twenty-two male master swimmers were separated in two groups based on their chronological age: (i) 30–39 years and; (ii) 40–49 years. Maximum dry-land power was determined through counter movement jump and 3 kg medicine ball throwing (Hmax and Tmax, respectively). Kinematic determinants of performance were measured during a maximal bout of 15, 25 and 50 m front crawl (T15, T25, T50). Stroke frequency (SF), stroke length (SL) and stroke index (SI) were calculated as kinematical aspects of the stroke. In the 30-39 group, SI25 was correlated to T25 (r = –0.76, p < 0.01, η2 = 0.96), the same was observed between SI50 and T50 (r = –0.83, p < 0.01, η2 = 0.96). Only SI50 was significantly correlated to T50 (r = –0.86, p < 0.01, η2 = 0.97) in the 40–49 years age cohort. In dryland power variables, Hmax and Tmax were only correlated in the younger master swimmers group (r = –0.87, p < 0.01, η2 = 0.97). There were no significant differences (p < 0.05) between younger (30–39 years) and older (40–49 years) swimmers groups in dry-land tests (Hmax 28.5 ± 5.9 vs. 26.5 ± 3.9 cm and Tmax 4.2 ± 1.0 vs. 4.2 ± 1.1 m). Our results suggest that swimming performance in younger master swimmers (30–39 years) seem more dependent on kinematic swimming variables than on strength parameters, which were most related to swimming performance in the older master swimmers (40–49 years).
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Formation and Annealing of Micropores in Hematite
Autorzy:
Dauwe, C.
Da Costa, G. M.
Van Hoecke, T.
Segers, D.
Tematy:
78.70.Bj
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/1933484.pdf  Link otwiera się w nowym oknie
Opis:
In iron oxide powders positrons are trapped in the surface layers and the value of the S-parameter is an indicator of the total specific surface, including external surface and internal surfaces of micropores. The evolution of micropores is followed when α-FeOOH is thermally decomposed into α-Fe$\text{}_{2}$O$\text{}_{3}$. It is shown that the micropore formation is not linked to the decomposition process, but that they also form in hematite synthesized from a ferrihydrite precursor in aqueous solution.
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 144

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