1,720,975 research outputs found
The mosquito microbiota: a new way to look at mosquito vectors and to investigate other insect pests
No full textI. Ricci, C. Damiani, P. Rossi, A. Capone, P. Scuppa, A. Cappelli, U. Ulissi, M. Mosca, M. Valzano, S. Epis, E. Crotti, D. Daffonchio, A. Alma, L. Sacchi, M. Mandrioli, C. Bandi & G. Favia, Mosquito symbioses: from basic research to the paratransgenic control of mosquito-borne diseases, J. Appl. Entomol. 135 (2011) 487–493\ud
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Guido Favia, Irene Ricci, Patrizia Scuppa, Claudia Damiani, Paolo Rossi, Aida Capone, Chenoa De Freece, Matteo Valzano, Alessia Cappelli, Michela Mosca and Ulisse Ulissi, Facing\ud
Malaria Parasite with Mosquito Symbionts\ud
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Irene Ricci, Matteo Valzano, Ulisse Ulissi, Sara Epis, Alessia Cappelli, Guido Favia, Symbiotic control of mosquito borne disease\ud
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M. Valzano, G. Achille, F. Burzacca, I. Ricci, C. Damiani, P. Scuppa, G. Favia, Deciphering microbiota associated to Rhynchophorus ferrugineus in Italian samples: a preliminary study, Journal of Entomological and Acarological Research 2012; volume 44:e16\u
Molecular Diagnosis of Malaria Infection: A Survey in a Hospital in Central Italy
Full text linkMalaria is a dramatic disease caused by the protozoan parasites Plasmodium. The diagnosis is mainly based on microscopy and rapid
diagnostic tests (RDT). Molecular approaches based on PCR techniques may be an alternative tool particularly favourable in regions with
declining prevalence. This work aimed to assess pros and cons of molecular diagnosis of malaria in a district of Central Italy were several tens
of imported malaria cases are diagnosed every year. Thirty-three blood samples were analysed by microscopy, RDT and molecular techniques to
monitor the relative efficiency in malaria diagnosis. Molecular analysis and microscopy diagnosed 32 out of 33 samples as positive for malaria,
while RDT only 29. More differences concerned the diagnosis of mixed infections. Our findings remark the importance of the molecular approach
in supporting and improving malaria diagnosis. In the cases here presented, the molecular analysis was particularly useful to unveil parasites
presence in infections not detectable by blood smear analysis and to additionally solve real and/or presumed mixed infections
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Killer yeasts exert anti-plasmodial activities against the malaria parasite Plasmodium berghei in the vector mosquito Anopheles stephensi and in mice
Full text linkWickerhamomyces anomalus is a yeast associated with different insects including mosquitoes, where it is proposed to be involved in symbiotic relationships with hosts. Different symbiotic strains of W. anomalus display a killer phenotype mediated by protein toxins with broad-spectrum antimicrobial activities. In particular, a killer toxin purified from a W. anomalus strain (WaF17.12), previously isolated from the malaria vector mosquito Anopheles stephensi, has shown strong in vitro anti-plasmodial activity against early sporogonic stages of the murine malaria parasite Plasmodium berghei
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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