1,721,937 research outputs found
[Letter from Meyer Bodansky to Donald G. Henderson - February 1939]
No full textLetter from Dr. Meyer Bodansky to Dr. Donald G. Henderson recommending an intern, Felix Ballinger, for a residency at Dr. Henderson's hospital
G. Henderson. — Survivais in belief among the Celts.
No full textDottin Georges. G. Henderson. — Survivais in belief among the Celts.. In: Annales de Bretagne. Tome 27, numéro 3, 1911. pp. 525-526
G. Robertson et G. Henderson, ed. Studies in memory of David Talbot Rice
No full textLafontaine-Dosogne Jacqueline. G. Robertson et G. Henderson, ed. Studies in memory of David Talbot Rice. In: Scriptorium, Tome 31 n°2, 1977. pp. 348-349
Effects of nootkatone on arthropods
No full textVetiver grass (Vetiveria zizanioides), a fast-growing native plant of India cultivated worldwide to control soil erosion, is naturally resistant to arthropod pests and diseases. Vetiver oil, extracted from the roots, is a complex mixture of more than 300 compounds, among which six are reported to possess insect repellent properties. As part of our research on natural products efficacy against Formosan subterranean termite, we focused on vetiver oil. Nootkatone was isolated as a component of vetiver oil and we found that this sesquiterpenoid ketone disrupts the behavior of termites and acts as a repellent, a feeding deterrent and a toxicant. This paper will present research on the effects of nootkatone on arthropods other than termites
Vetiver Grass: Useful Tools against Formosan Subterranean Termites
No full texthe response of Coptotermes formosanus to substrates and food sources treated with Vetiver oil (from Vetiveria zizanioides) and one of its components, nootkatone, was investigated. The results showed that these compounds were able to disrupt termite behaviour and physiology as a consequence of direct physical contact, ingestion, or exposure to the vapours. In the presence of these compounds, termites showed a 'lingering behaviour', remaining on the surface all clumped together, unable to organize themselves to reach potential food sources through tunnelling activity or building shelter tubes. Ingestion of wood treated with Vetiver oil or nootkatone resulted in the progressive death of the protozoa population living inside the termite gut
Vetiver grass: useful tools against Formosan subterranean termites can be found in nature
No full textThe response of Coptotermes formosanus to substrates and food sources treated with Vetiver oil (from Vetiveria zizanioides) and one of its components, nootkatone, was investigated. The results showed that these compounds were able to disrupt termite behaviour and physiology as a consequence of direct physical contact, ingestion, or exposure to the vapours. In the presence of these compounds, termites showed a 'lingering behaviour', remaining on the surface all clumped together, unable to organize themselves to reach potential food sources through tunnelling activity or building shelter tubes. Ingestion of wood treated with Vetiver oil or nootkatone resulted in the progressive death of the protozoa population living inside the termite gut
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Variations on the Author
Get PDF“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
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