117,309 research outputs found
A Digital Platform for Home-Based Exercise Prescription for Older People with Sarcopenia
No full textDigital therapeutics refers to smartphone applications, software, and wearable devices that provide digital solutions to improve healthcare delivery. We developed a digital platform to support the GYM (Grow Your Muscle) study, an ongoing 48-week randomized, controlled trial on reduction of sarcopenia through a home-based, app-monitored physical exercise intervention. The GYM platform consists of a smartphone application including the exercise program and video tutorials of body-weight exercises, a wearable device to monitor heart rate during training, and a website for downloading training data to remotely monitor the exercise. The aim of this paper is to describe the platform in detail and to discuss the technical issues emerging during the study and those related to usability of the smartphone application through a retrospective survey. The main technical issue concerned the API level 33 upgrade, which did not enable participants using the Android operating systems to use the wearable device. The survey revealed some problems with viewing the video tutorials and with internet or smartphone connection. On the other hand, the smartphone application was reported to be easy to use and helpful to guide home exercising. Despite the issues encountered during the study, this digital-supported physical exercise intervention could provide useful to improve muscle measures of sarcopenia
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe 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
Electromagnetic Forces Distribution and Mechanical Analysis in the First Wall Structure of INTOR/NET
No full textBiological clock and heredity in pubertal timing: what is new?
No full textPuberty represents a milestone during a person's life and is characterized by several physical and psychological changes which end with the achievement of sexual maturation and of fertility. Puberty onset depends on a series of sophisticated, not completely understood, mechanisms certainly involving Gonadotropin-Releasing Hormone (GnRH) and its effects on pituitary gonadotropins. As recent evidence has demonstrated that pubertal timing deeply affects future adult health life, many efforts have been performed in order to clarify the exact actors involved in the onset and progression of puberty. Genetic factors are undoubtedly essential players in the regulation of pubertal development, accounting for approximately 50-80% of its variability. Mutations in genes such as KISS1, MKRN3, and DLK1 have been associated with central precocious puberty. Interestingly, a possible involvement of epigenetic mechanisms has been proposed as additional element able to affect pubertal phase. Environmental factors have recently attracted much attention. Indeed, an overall decrease in the age of puberty has been observed in the last decades. As genetic factors require long time to exert their effect, other players, such as environmental ones, may be involved. Special focus has been posed on nutritional status, endocrine-disrupting chemicals with non-conclusive results. Pubertal timing deeply affects future life, suggesting the need to clarify mechanisms driving pubertal onset and progression, in order to identify tailored therapeutic strategies and targets
Square Dancing with the Stars to Enhance Dynamic Hirschman Linkages?
No full textIn this Presidential Address, the author takes the reader on a reconnaissance of his life and time as a regional scientist. He points out scenery he found scintillating along the way, hoping that some may pick up the banner and chew on a few of the ideas for a while. He suggests a revisit to Albert O. Hirschman’s notion of key sectors and more empirical analysis related to Marcus Berliant’s and Masahisa Fujita’s notion of knowledge creation and transfer.Presidential Address, San Antonio, Texas, March 29, 2014 (53rd Meetings of the Southern Regional Science Association
Appropriate Similarity Measures for Author Cocitation Analysis
No full textWe 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
Chthonius comottii Inzaghi 1987
No full text<i>Chthonius comottii</i> Inzaghi, 1987 <p>(Figs 77–96, 402)</p> <p> <i>Chthonius (C.) comottii Inzaghi</i>, 1987: 166, figs 1–16.</p> <p> <i>Chthonius (C.) comottii:</i> De Vore-Scribante 1999: 6, 70, 126, 219, 261, figs 2a–e.</p> <p> <b>Type locality</b>: Italy, Lombardy, Bergamo Province, Oneta, Mine below the Refuge Grem (45°52’52”N, 9°49’34”E)</p> <p> <b>Distribution</b>. Switzerland (Tessin), Italy (from Bergamasque Pre-Alps to Ligurian Alps).</p> <p> <b>Diagnosis (♂ ♀).</b> A microphthalmic epigean or hypogean <i>Chthonius</i> that differs from other species of the <i>ischnocheles</i> group in the following combination of characters: anterior margin of carapace with 1 (rarely 2) preocular microseta on each side; posterior margin of carapace with 2 macrosetae and mainly with 1 lateral microseta on each side; chelicerae with 2 (rarely 1) lateral microsetae; chela length 0.715–1.20 mm; movable chelal finger length 0.495–0.81 mm; fixed and movable chelal fingers with 26–50 and 26–40 teeth, respectively; chelal fingers with reclined, pointed and widely spaced teeth; both fixed and movable chelal fingers at level of <i>est-ist</i> and <i>st-t</i> with 4–6 teeth occupying 0.1 mm, distance between successive apices 0.016 –0.034 mm; movable chelal finger with coupled sensilla <i>pc</i> situated on a noticeable tubercle; ratio of pedipalpal femur/carapace 1.3–1.6.</p> <p> <b>Material examined.</b> ITALY — <i>Lombardy: Bergamo Prov.</i> — 2 ♂ 1 ♀, Colzate, Baite Sedernello, 1300 m a.s.l., 11.X.1989, M. Valle leg.; 1 ♀, Dossena, 1100 m a.s.l., 14.VII.1990, M. Grottolo leg., beech wood; 1 ♀, id., 1.XI.1991, L. Latella leg. <i>Lombardy: Como Prov.</i> — 2 ♀, Centro Valle Intelvi, Monte Generoso, 1400 m a.s.l., 11. VI.1986, D. Baratelli leg., deep digging; 1 ♂, Centro Valle Intelvi, Monte Generoso, Bocche di Orimento, 1300 m a.s.l., 29.X.1987, D. Baratelli leg., deep digging; 2 ♀, id., 24.IV.1988, D. Baratelli leg., deep digging; 1 ♂, Valsolda– Dasio, near Alpe Mapel, 1250 m a.s.l., 8.VII.1995, S. Zoia leg. <i>Lombardy: Lecco Prov.</i> — 1 ♀, Lecco, Monte Barro, 800 m a.s.l., 24.XI.1990, S. Zoia leg.; 1 ♀, Paderno d’Adda, 220 m a.s.l., 30. VI.1990, S. Zoia leg. <i>Piedmont: Biella Prov.</i> — 7 ♂, Biella, near Santuario di Oropa, 1050 m a.s.l., 8.XII.1979, S. Zoia leg.; 1 ♂, Sagliano Micca, Miniera Passobreve A n. 1, 3. VI.2020, D. Trombin leg.; 1 ♀, Sagliano Micca, Miniera Passobreve A n. 2, 3. VI.2020, D. Trombin leg. <i>Piedmont: Cuneo Prov.</i> — 1 ♂ 2 ♀, Barge, Madonna della Rocca, Buco del Bryaxis 1325 Pi / CN, 529 m a.s.l., 9. VI.2013, E. Lana & M. Chesta leg.; 1 ♂ 3 ♀, Bernezzo, Pertus d’la Kassetta 1323 Pi / CN, 1230 m a.s.l., 27.X.2019, E. Lana & M. Chesta leg.; 2 ♀, Bossea, 1200 m a.s.l., 8.X.1986, S. Zoia leg., beech wood; 2 ♂, Boves, San Giacomo, 850 m a.s.l., 26.X.1993, G.B. Delmastro leg.; 5 ♂ 4 ♀, Castelmagno, Chiappi, near Torrente Grana, 1600 m a.s.l., 5. VIII.1999, G.B. Delmastro leg.; 9 ♂ 2 ♀, Cervasca, Colle di San Maurizio, 850 m a.s.l., 26.X.1993, G.B. Delmastro leg.; 1 ♀, Dronero, Tana della Volpe di Dronero 1205 Pi / CN, 645 m a.s.l., 14.IX.2014, E. Lana & M. Chesta leg.; 2 ♂, Garessio, N slope of Mt. Galero, 1300 m a.s.l., 29. V.1976, G. Gardini leg., beech wood; 1 ♂, Ormea, slope of Mt. Armetta, 1000 m a.s.l., 25.IX.1976, G. Gardini & S. Zoia leg.; 1 ♂, Pesio, Pian delle Gorre, 1500 m a.s.l., 17. VI.1973, G. Gardini leg., sieved under <i>Acer</i>; 1 ♂, Pesio, Pian delle Gorre, near Torrente Pesio, 1000 m a.s.l., 16.X.1977, N. Sanfilippo leg., beech wood; 1 ♂, Pradleves, Vallone Pentenera, 900 m a.s.l., 30.XII.1991, G.B. Delmastro leg.; 1 ♀, Robilante, Grotta T.A.C. 2 n. c. Pi / CN, 965 m a.s.l., 14.IV.2014, E. Lana & M. Chesta leg.; 1 ♂ 1 ♀, Roburent, San Giacomo di Roburent, 1000 m a.s.l., 30.X.1994, G. Gardini leg., beech wood; 1 ♂, Roburent, San Giacomo di Roburent, Tana di San Luigi 112 Pi / CN, 780 m a.s.l., 10.X.2009, M. Evangelista leg.; 3 ♂, Roccaforte Mondovì, near Rastello, 1400 m a.s.l., 24.X.1985, G. Gardini, A. Rey & S. Zoia leg., beech wood; 1 ♂, Roccasparvera, underground of the castle of Rocca Sparvera, 8.XI.2014, E. Lana & M. Chesta leg.; 1 ♂ 4 ♀, Roccavione, Tetto Cherro, 710 m a.s.l., 16.XI.1993, G.B. Delmastro leg.; 1 ♀, Sampeyre, Foresto, 1300 m a.s.l., 24. VIII.1986, G. Gardini leg.; 1 ♂ 1 ♀, Valgrana, Cavaliggi, 685 m a.s.l., 30.XII.1991, G.B. Delmastro leg.; 1 ♀, Valmala, near Santuario di Valmala, 1380 m a.s.l., 13. VIII.1995, S. Zoia leg.; 2 ♂ 2 ♀, Viozene, Selle di Carnino, 1900 m a.s.l., 15. VIII.1968, A. Vigna leg., beech wood. <i>Piedmont: Novara Prov.</i> — 1 ♂ 1 ♀, Armeno, Miniere dell’Alpe Cervec art. Pi /NO, 631 m a.s.l., 9. V.2015, E. Lana & G.D. Cella leg. <i>Piedmont: Turin Prov.</i> — 5 ♂, Torino, Basilica di Superga, 640 m a.s.l., 19.III.1999, G.B. Delmastro leg.; 1 ♂, Villar Pellice, VII.1973, G. Bartoli leg. <i>Piedmont: Vercelli Prov.</i> — 1 ♂, Ara, Monte Fenera, 5.IV.1986, M. Bodon leg.; 1 ♀, Borgosesia, Monte Fenera, Tana dell’Armittu 2690 P/VC, 20.III.1997, A. Balestrieri leg.; 1 ♂, id., 4. V.1997, T. Pascutto leg.; 1 ♀, Borgosesia, Grotta dell’Uomo Libero 2665 Pi /VC, 620 m a.s.l., 12.II.2014, E. Lana leg.; 2 ♀, Borgosesia, Monte Fenera, Buco della Bondaccia 2505 Pi /VC, 690 m a.s.l., 9.IV.2000, T. Pascutto & S. Bugalla leg.; 2 ♀, id., 30.IX.2000, T. Pascutto, S. Bugalla & F. Stoch leg.; 1 T, Borgosesia, Monte Fenera, R –5 del Fenera 2743 Pi /VC, 529 m a.s.l., 13.IX.2013, E. Lana & R. Sella leg.; 1 ♀, Civiasco, Monte Falconera, Grotta del Teschio 2614 Pi /VC, 765 m a.s.l., T. Pascutto & R. Palestro leg.; 2 ♀, Valduggia, Bocc d’la Mocia 2541 Pi /VC, 29.III.2014, E. Lana leg.; 1 ♀, Valduggia, Buco dello Scoiattolo 2748 Pi /VC, 676 m a.s.l., 2.IV.2013, E. Lana leg.; 1 ♀, Valduggia, Fratturata 2747 Pi /VC, 669 m a.s.l., 2.IV.2013, E. Lana leg. <i>Liguria: Imperia Prov.</i> — 2 ♂, Baiardo, slope of Mt. Cavanelle, 6.XI.1981, S. Zoia, G. Gardini & A. Boato leg.; 1 ♂, Bordighera, Sasso, 9.XI.1974, G. Gardini leg., under stone in olive grove. <i>Liguria: Savona Prov.</i> — 2 ♀, Bardineto, Roveirola, 3.X.1989, G. Gardini, R. Rizzerio & G. Troiano leg.; 1 ♂, Calizzano, Colle del Melogno, 1000 m a.s.l., 29. V.1979, S. Zoia leg.</p> <p> <b>Description of adults (♂ ♀).</b> Integument slightly pigmented, carapace, tergites, chelicerae and pedipalps pale brown; weak hispid granulation on lateral surface of carapace, on cheliceral palm and on base of fixed chelal finger. Carapace (Fig. 79) trapezoidal, constricted posteriorly, 0.8–1.0 times longer than broad; anterior margin between median macrosetae strongly denticulate or with a prominent epistome in both sexes (Figs 77–78); ocular area as in fig. 79, anterior eyes reduced, with flat lens (diameter 0.030 –0.045 mm) and tapetum, posterior ones absent or as vestigial remains; standard chaetotaxy m 4m:6:4:2:m 2m (22), anterior row rarely with mm 4m or mm 4mm, posterior row rarely without lateral microsetae (♂ from Castelmagno, Chiappi) or mm 2m; length of anteromedian macrosetae 0.11–0.15 mm. Chaetotaxy of tergites 4:4:4:4:6:6:6:6:1T2T1:4:1T2T1:0. Chaetotaxy of sternites II–X: 10–11:(3)8–10(3):(2)8(2):7–8:8:6:6:6:2T1T2; genital opening of males flanked by 7–9 (rarely 5 or 6) setae on each side. Chelicerae (Fig. 80) 2.15–2.35 (♂ ♀) times as long as broad, palm with 6 setae and 2 (rarely 1) lateral microsetae; fixed finger with 2 large distal teeth followed by 6–9 small teeth proximally reduced in size and a few proximal microtubercles; movable finger with an isolated subapical tooth (<i>di</i>) at level or just proximad of the spinneret, followed by a large tooth and 7–10 teeth proximally reduced in size; <i>gs</i> ratio 0.50–0.59; spinneret weakly raised in males (Fig. 80), more prominent and rounded in females (Fig. 81); rallum with 11 blades; serrulae interior and exterior with 13–15 and 14–16 blades respectively. Coxal setae: pedipalp 5 (including 2 on manducatory process), I 3 + 3 marginal microsetae, II 4, III 5, IV 6; coxa II with 7–12 coxal spines, coxa III with 2–6 (mainly 4–6) coxal spines; intercoxal tubercle bisetose. Pedipalp: femur 4.9–5.9 (♂) or 4.7–6.1 (♀) times as long as broad, femoral chaetotaxy 3:5:3:5:1; chela (Figs 84, 88) 5.3–6.35 (♂) or 4.75–5.95 (♀) times as long as deep; hand of chela 1.7–2.0 (♂) or 1.55–1.95 (♀) times as long as deep, with long ovoid outline in dorsal view (Figs 82–83); fixed chelal finger with 26–50 teeth inclined backwards: 7–14 small, pointed and more or less contiguous distal teeth (up to the level of <i>et</i>), proximally increasing in size, followed by large, sharp, reclined and widely spaced teeth, decreasing in size from middle finger towards finger base; 8–20 proximal teeth low, more contiguous, rounded and gradually reduced in size (Figs 85–87, 89–91); all teeth with dental canal; fixed finger at level of <i>est-it</i> with 4–6 (♂ ♀) teeth occupying 0.1 mm, distance between successive apices 0.016 –0.027 (♂) or 0.017 –0.034 (♀) mm; tip of fixed chelal finger with apical sensilla <i>af</i> <i>1-</i> 2 , distal paraxial seta gradually curved and thin; movable chelal finger with 26–40 teeth, slightly scalene triangle-shaped, reclined and apically pointed proximally up to halfway between trichobothria <i>st -sb,</i> then rounded or flattened towards finger base, reaching back near <i>b</i> (between <i>sb</i> and <i>b</i> they are mainly recognizable only by the presence of dental canal) (Figs 85–87, 89–91); movable finger at level of <i>st-t</i> with 4–6 (♂ ♀) teeth occupying 0.1 mm, distance between successive apices 0.016 –0.023 (♂) or 0.016 –0.028 (♀) mm; coupled sensilla <i>pc</i> mainly distad of <i>sb</i> or halfway between <i>sb -st</i>, rarely nearer to <i>st</i> than to <i>sb</i> and always on a noticeable tubercle; tip of movable chelal finger with apical sensilla <i>am</i> <i>1-</i> 2 ; trichobothria as in figs 84, 88; ratio <i>sb -st/sb -b</i> = 1.6–2.0; ratio of movable finger/hand of chela 1.9–2.3 (♂ ♀); ratio of pedipalpal femur/movable finger 0.9–1.0 (♂ ♀); ratio of pedipalpal femur/carapace 1.3–1.6 (♂ ♀).</p> <p>Measurements (in mm). Body length 1.2–1.6 (♂) or 1.4–2.0 (♀). Carapace 0.36–0.46 × 0.37–0.48 (0.34–0.44 anteriorly) (♂) or 0.37–0.56 × 0.42–0.63 (0.40–0.60 anteriorly) (♀). Chelicerae 0.35–0.47 × 0.16–0.21 (♂) or 0.40–0.58 × 0.18–0.26 (♀); movable finger length 0.185–0.25 (♂) or 0.21–0.32 (♀). Pedipalp: femur 0.47–0.70 × 0.09–0.12 (♂) or 0.51–0.79 × 0.105–0.14 (♀); chela 0.715–1.02 × 0.12–0.165 (♂) or 0.775–1.20 × 0.14–0.225 (♀); hand length 0.225–0.35 (♂) or 0.245–0.42 (♀); movable finger length 0.495–0.70 (♂) or 0.53–0.81 (♀).</p> <p> <b>Remarks.</b> <i>Chthonius comottii</i> was described by Inzaghi (1987) based on epigean and subterranean specimens (8 males and 9 females) from six localities in the Bergamasque and Varese Pre-Alps. Following the finding of the variability in anterior eyes development, the length and slenderness of palpal chelae, and the number and shape of chelal fingers teeth, the author thought it possible to distinguish two “ecological races”, informally called A and B. On the basis of the data published by Inzaghi (1987), these two forms possess, respectively: anterior eyes reduced to eye-spots (A), anterior eyes with flat lens (B); length of palpal chela 0.825–0.93 mm (♂) or 0.89–0.97 mm (♀) (A), 0.76–0.79 mm (♂) or 1.0– 1.1 mm (♀) (B); palpal chela 5.8–6.15 (♂) or 5.4–5.7 (♀) (A), 5.45–5.6 (♂) or 5.1–5.3 (♀) (B) times as long as deep; ratio of movable finger/hand of chela 2.2–2.3 (♂) or 2.1–2.25 (♀) (A), 2.0–2.05 (♂) or 2.0 (♀) (B); number of teeth of the fixed chelal finger 49–53 (♂) or 43–46 (♀) (A), 35–38 (♂) or 32–38 (♀) (B); number of teeth of the movable chelal finger 37–40 (♂) or 35–40 (♀) (A), 31–36 (♂) or 30–31 (♀) (B).</p> <p> The specimens examined here as <i>Chthonius comottii</i> share, with rare exceptions (see the above Description of adults), the same carapacal chaetotaxy (m 4m:6:4:2:m 2m), the presence of 2 lateral microsetae on the cheliceral palm, a weakly raised spinneret in males and the coupled sensilla <i>pc</i> lodged between <i>sb -st</i> on a noticeable tubercle. The anterior eyes are always reduced to a flat lens, rarely almost absent, but with the tapetum still present (♀ from Buco dello Scoiattolo, Valduggia). The measurements and ratios vary widely within the range of the species and include most of those detected by Inzaghi (1987); the specimens with larger dimensions are the subterranean ones from the caves near Borgosesia and Valduggia, province of Vercelli, which also show a wide intra-populational variability [Tana dell’Armittu (♂ ♀): palpal chela length 1.02–1.20 mm, movable chelal finger 0.70–0.81 mm; Bocc d’la Mocia (♀): palpal chela length 1.07–1.17 mm, movable chelal finger 0.705–0.78 mm]. As emphasized by Inzaghi (1987: 174, footnote 2), large specimens usually have more widely spaced chelal teeth, while smaller specimens have closer teeth. Regardless of size, the most evident variability in dentition concerns the shape and the reciprocal distance of distal teeth of the fixed chelal finger, as shown in figs 92–96, which represents the range of variability of the dentition of the chelal fingers. The variability of the epistome (Figs 77–78) is much wider than that described by Inzaghi (1987: 170, figs 10–11, 13–15). The size of specimens from Tessin (Generoso Mt.) measured by De Vore- Scribante (1999) is sometimes (carapace, palpal femur, chelal finger) a little higher than that reported here.</p> <p> The high variability of <i>Chthonius comottii</i> indicates that this is a species-complex that current morphological taxonomy is unable to detect.</p> <p> Among the species of the <i>Chthonius ischnocheles</i> group, <i>C. comottii</i> is related to the epigean or hypogean <i>C. agazzii</i>, known from Friuli to Trentino. Both species share the presence of 1 preocular microseta on each side, a similar chelal pattern, the same number of chelal teeth and the movable chelal finger with coupled sensilla <i>pc</i> lodged on a noticeable tubercle. <i>C. comottii</i> differs from <i>C. agazzii</i> mainly in the following characters: posterior margin of carapace with 1 microseta on each side (with 2 macrosetae, without lateral microsetae in <i>C. agazzii</i>); chelicerae with 2 lateral microsetae (with 1 microseta in <i>C. agazzii</i>).</p> <p> <i>Chthonius comottii</i> and <i>C. agazzii</i> are vicariant in the Alps: the first from Lombardy to western Liguria, the latter from Friuli to Trentino.</p>Published as part of <i>Gardini, Giulio, 2021, The Italian species of the Chthonius ischnocheles group (Arachnida, Pseudoscorpiones, Chthoniidae), with reference to neighbouring countries, pp. 1-131 in Zootaxa 4987 (1)</i> on pages 27-31, DOI: 10.11646/zootaxa.4987.1.1, <a href="http://zenodo.org/record/10086770">http://zenodo.org/record/10086770</a>
Letter from unknown writer to Jesse L. Boyce
No full textLetter to Jesse L. Boyce from unknown author (possibly Jack) about the investigation into the powder magazine located in the Grand Canyon. Some personal news is included in the letter such as the writer's marriage to the daughter of C.A. Taylor, former Supervisor of Cochise County
Dispelling the Myths Behind First-author Citation Counts
No full textWe 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
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