1,727,500 research outputs found
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
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
A Simple Adaptive Throughput Maximization Algorithm for Adaptive Modulation and Coding Systems with Hybrid ARQ
No full textAppropriate 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
Supplemental material for Curcumin-loaded chitosan nanoparticles promote diabetic wound healing via attenuating inflammation in a diabetic rat model
No full textSupplemental Material for Curcumin-loaded chitosan nanoparticles promote diabetic wound healing via attenuating inflammation in a diabetic rat model by Fang Li, Yijie Shi, Jia Liang and Liang Zhao in Journal of Biomaterials Applications</p
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
Russula fanjing Fang Li 2021, sp. nov.
No full text<i>Russula fanjing</i> Fang Li <i>sp. nov</i>., (Figs. 1–4) <p>MycoBank: MB836774</p> <p> Etymology:— <i>fanjing</i>, the name of the mountain which is the holotype locality.</p> <p> Holotype:— CHINA Guizhou province, Tongren county, Fanjingshan National Nature Reserve, 108.6572˚ E, 27.9121˚ N, alt. 1948 m, near <i>Quercus</i> trees, 2 August 2020, <i>Fang Li</i> (HGASMF01-10047, ITS: MT 928349, nrLSU: MW 201672).</p> <p>Diagnosis:—A species with medium-sized basidiocarps, with vivid red, red, pink to pastel red areolate pilei, spores with strongly amyloid warts and ridges interconnected by fine lines in an incomplete or complete reticulum and a suprapellis with short-celled, claw-like branched, lotus-root-like inflated hyphae, and dispersed clavate, septate, pileocystidia.</p> <p> Description:— <i>Basidiomata</i> medium-sized. <i>Pileus</i> 3–5 cm diam, hemispheric to convex when young, plano-convex to plano-concave at maturity with the center area slightly depressed; surface vivid red (11A8, 9A8), red (11A6–7, 9A6) to pink or pastel red (11A5, 9A5), becoming lighter colored towards margin, areolate, subviscid when moist; margin slightly striate at maturity. <i>Lamellae</i> 3–5 mm wide, white (4A1), not discoloring, adnate, close, occasionally forked near the stipe, intervenose, with 2–3 tiers of lamellulae. <i>Stipe</i> 3–5 × 0.7–1 cm, white (4A1), cylindrical, glabrous or faintly longitudinally ridged, dry, spongy inside. <i>Context</i> 2–3 mm thick in the center of the pileus, white (4A1). <i>Odor</i> absent, <i>taste</i> acrid. <i>Spore print</i> white.</p> <p> <i>Basidiospores</i> [120/4/3] 6.5–7.0–8 × 5.5–6.0–7 µm, Q = 1–1.15–1.25, Q m = 1.15 ± 0.07, broadly ellipsoid to ellipsoid, occasionally sub-globose, ornamented with large, distant to moderately distant amyloid warts, spines and ridges 0.5–0.8 µm high, occasionally fused in pairs, or triplets, often connected by fine lines in an incomplete to almost complete reticulum, suprahilar plage occasionally amyloid. <i>Basidia</i> 30–41 × 8–12 µm, clavate, 4-spored, sometimes 2-spored, sterigmata 4–8 µm long. <i>Pleurocystidia</i> 33–63 × 6.5–12 µm, moderately numerous to numerous, with the tip projecting slightly beyond the basidia, sub-fusiform, with obtuse, sub-acute to acute apex, with strong refractive content. <i>Cheilocystidia</i> 28–60 × 6.5–10 µm, similar to pleurocystidia in shape and abundance, with less dense content. <i>Marginal cells</i> 8–19 × 4–7 µm, undifferentiated, clavate, cylindrical or irregularly clavate. <i>Lamellar trama</i> composed of hyphae 3–6 µm wide, thin-walled, hyaline, white to yellowish white, divergent and with sphaerocysts 10–50 µm in diam., thin-walled, hyaline. <i>Pileipellis</i> (between the center and margin) well-delimited from the underlying context, two-layered, slightly gelatinous; subpellis ca. 40–100 µm thick, composed of dispersed repent pileocystidia and thinwalled hyphae 3–7 µm wide, with pale red (9A3) to pastel red (9A4) plasmatic pigment, uniformly colored, fading to colorless quickly in 10% KOH, septate, branched, forming a mat close to the underlying trama; suprapellis ca. 30–70 µm thick, a typical trichoderm, composed of dispersed ±erect pileocystidia, and thin-walled hyphae 2–10 µm wide, with pastel red (10A5) to red (10A7) plasmatic pigment, uniformly colored, fading to colorless quickly in 10% KOH, short-celled, claw-like branched and inflated as lotus roots, with end cells 10–25 × 3–9 µm, tapering, bullet-shaped, lageniform, lanceolate, fusiform, subventricose, rarely clavate. <i>Pileocystidia</i> 8–65(122) × 4–12 µm, dispersed in base part of suprapellis and subpellis, bullet-shaped, ovoid, ellipsoid, subventricose, sphaeropedunculate, clavate to long cylindrical, with dense refractive yellowish contents, not septate or septate with 1–4 septa, with a dull lilac (16B3), violet-grey (16F2) to dark violet (16F4) reaction in SV. Acid-resistant incrustations absent. In a same pileus, the structures of the suprapellis in the center and margin are similar to that of between the center and margin; suprapellis in the pileus center with terminal hyphae a little closer and more erect, with end cells 10–25 × 3–8 µm, tapering, bullet-shaped, lageniform, lanceolate, fusiform, subventricose, rarely clavate; suprapellis near the pileus margin with terminal hyphae erect, sub-erect to nearly repent, with end cells 10–24 × 3–9 µm, tapering, bullet-shaped, lageniform, lanceolate, fusiform, subventricose, rarely clavate. <i>Stipitipellis</i> 30–70 µm thick, composed of parallel thin-walled hyphae 5–10 µm wide and with sphaerocysts 15–60 µm in diam., thin-walled, hyaline. <i>Caulocystidia</i> absent. <i>Clamp connections</i> absent in all parts of basidioma.</p> <p> It is interesting to note that in <i>Russula fanjing</i> the structure of the suprapellis does not change remarkably in the same pileus however, in different basidiomata, the thickness of the suprapellis can be different, and the hyphae in them can be a little different (Fig. 6A and B). The thicker the suprapellis (Fig. 6A), the longer and a little narrower the terminal hyphae in the suprapellis. When the pileipellis loses its suprapellis, the remaining subpellis is very different: there are no claw-like branched, lotus-roots-like inflated hyphae in the subpellis, the hyphae in it are decumbent or repent, interwoven, tubular elements, and the pileocystidia are decumbent or repent, not vertically to subvertically arranged as they are in suprapellis.</p> <p>The cellular contents in the cystidia are dense in both pleurocystidia and pileocystidia, and less dense in cheilocystidia. They can be in the form of lumps or crystals. During our examinations, we found that the young pileocystidia (small and non-septate ones) often contained lumpy cellular contents, and crystal cellular contents often appeared in the more mature cystidia.</p> <p> Habitat and distribution:—Solitary or scattered on soil in forests dominated by <i>Quercus</i> trees, at 1700–2000 m alt.; presently only known from Fanjing Mountain, Guizhou province, China.</p> <p> Additional specimens examined:— CHINA. Guizhou province, Tongren county, Fanjingshan National Nature Reserve, 108.7031˚ E, 27.9111˚N, alt. 1718 m, near <i>Quercus</i> trees, 3 July 2020, <i>Jing Zhang</i>, <i>Huan Gao</i> (HGASMF01- 10042); ibid, 108.6999˚ E, 27.9081˚N, alt. 1970 m, 3 July 2020, <i>Jing Zhang</i>, <i>Huan Gao</i> (HGASMF01-10043); ibid, 108.7011˚ E, 27.9077˚N, alt. 1950 m, 3 July 2020, <i>Jing Zhang</i>, <i>Huan Gao</i> (Paratype, HGASMF01-9239, ITS: MW 192767, nrLSU: MW 227645).</p> <p> Specimens of <i>Russula chiui</i> examined: CHINA. Guizhou province, Tongren county, Fanjingshan National Nature Reserve, 108.7900˚ E, 27.9070˚N, alt. 1979 m, 18 October 2020, <i>Jing Zhang</i>, <i>Huan Gao</i> (HGASMF01-10657, ITS: MW 195051, nrLSU: MW 227647).</p>Published as part of <i>Li, Fang, Li, Guo-Jie, Zhang, Jing, Gao, Huan, Shi, Ru-Shu & Deng, Chun-Ying, 2021, Russula fanjing, a new species of Russula subsect. Russula (Russulaceae, Russulales) from Guizhou province, China, pp. 139-151 in Phytotaxa 480 (2)</i> on pages 142-146, DOI: 10.11646/phytotaxa.480.2.3, <a href="http://zenodo.org/record/5415973">http://zenodo.org/record/5415973</a>
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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