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    Sarmah et al. - Dietary Zn determines life history outcomes in Drosophila melanogaster

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    <p dir="ltr">Data and scripts to accompany Sarmah et al. </p&gt

    Isolation and Identification of a Biologically Active Isoflavonoid from Cudrania javanensis

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     SUMMARYIsolation of isoflavonoids has become a frequent endeavor, due to their interesting biological activities. Osajin, 1 ({5-hydroxy-3-(3-hydroxyphenyl)-8,8 dimethyl-6-(3-methylbut-2-enyl)-4H.8H-pyrano[2,3-h]chromen-4-one]} is a naturally occurring isoflavonoid which was isolated from the fruits of Cudrania javanensis1, 2. The structure was elucidated using spectroscopic methods, including NMR, IR, and MS.Key words: Cudrania javanensis, Moraceae, Isoflavonoids, Osajin  G. K. Sarmah and R. K. Sharma. Isolation and Identification of a Biologically Active Isoflavonoid from Cudrania javanensis. J Phytol 2/5 (2010) 47-49.*Corresponding Author, Email: [email protected]

    Research Notes : India : Performance of winter soybean under varying levels of irrigation

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    Possibility of growing soybean during winter season has been revealed by several workers (Sarmah, 1979; Mandloi and Tiwari, 1971). But the success of a winter crop depends mainly on available soil moisture. The average rainfall for the last ten years at the station during winter months (November to March) was 104.28 rrun, which is not enough to sustain a good crop of soybean</p

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The 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

    Non-linear charge reduction effect in strongly-coupled plasmas

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    The charge reduction effect, produced by the nonlinear Debye screening of high-Z charges occuring in strongly-coupled plasmas, is investigated. An analytic asymptotic expression is obtained for the charge reduction factor which determines the Debye-Hueckel potential generated by a charged test particle. Its relevant parametric dependencies are analyzed and shown to predict a strong charge reduction effect in strongly-coupled plasmas

    Variations on the Author

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    “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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