1,720,954 research outputs found
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
Evaluating the impact of vital gluten on the protein molecular size distribution, loaf volume and dough rheology of vital gluten wheat flour blends
Get PDFThe breadmaking quality of wheat is generally attributed to its gluten proteins, which form the viscoelastic, gas-retaining network of wheat flour dough. The composition of gluten proteins, in particular protein molecular size distribution, is known to influence the rheological properties and baking quality of wheat flour. Vital gluten (VG) is a gluten protein concentrate that is added to wheat flour to improve dough and bread characteristics. However, VG is currently sold with limited quality specifications, including information regarding its protein composition. The aim of this project was to (1) investigate how the gluten protein molecular size distribution, loaf volume and dough rheological properties are affected in VG wheat flour blends by the addition of different VGs to wheat flour, and (2) compare chromatographic and rheological methods for describing VG quality in an industrial setting. Twelve wheat flour blends with 4% (w/w) of commercial VG were produced and evaluated in terms of protein molecular size distribution, loaf volume, and rheological properties using SE-HPLC, baking tests and empirical rheological methods, respectively. In the baking tests, both tin pan loaves and free-form loaves were produced. The VG wheat flour blends yielded varying loaf volumes, which could be attributed to differences in protein molecular size distribution and rheological properties. Free-form loaf volume was significantly correlated to the percentage of unextractable polymeric protein (%UPP) and dough strength, whereas tin pan loaf volume was significantly correlated with dough extensibility. While the alveograph test yielded significant correlations to free-form loaf volume, extensograph parameters were significantly correlated to the volume of both loaf types. In conclusion, the extensograph test may be suitable for VG quality control within the cereal and baking industries
Swedish “tofu” from faba beans
Get PDFTofu, a traditional soybean product, is a popular plant-based alternative which could potentially be produced from Swedish-grown faba beans (Vicia faba L.). The aim of this project was to asses the viability of producing a tofu-like faba bean product using food grade gypsum (calcium sulphate) as coagulant. Bean milk from faba beans and soybeans, respectively, was prepared with a bean-water ratio of 1:6 and 1:9. The prepated milk was heated to a boiling temperature and then coagulated at 80°C using 0,4% (w/v) of calcium sulphate. Faba bean starch was removed from the milk prior to coagulation using enzymatic hydrolysis (amylase) and decantation, respectively. Solids content, moisture content, water-holding capacity, yield, texture and gel microstructural properties of faba bean tofu variants was analysed and compared to soybean tofu produced under the same processing conditions. Tofu texture was analysed using texture-profile analysis (TPA), and tofu microstructure using light microscopy (LM) and confocal laser-scanning microscopy (CLSM). Starch removal methods varied in efficiency. Compared to soybean tofu variants, the faba bean tofu variants exhibited a lower tofu yield, lower milk solids content, higher WHC, harder and less springy texture, and a densely aggregated and compacted gel structure. Nonetheless, the results indicate that there is potential for developing a tofu-like faba bean product, although further research and development is required to optimize textural and structural characteristics. Ultimately, industrial-scale testing and sensory panels will be decisive in determining the viability of commercial production
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
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe 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
Get PDFWe 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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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