196,465 research outputs found
Pristocera morawitzi Fadeev 2021, sp. nov.
No full text<i>Pristocera morawitzi</i> sp. nov. <p>(Figs 4–6)</p> <p> <b> Type material. <i>Holotype</i>:</b> ♂, [<b>RUSSIA</b>, Volgograd Province], <i>Sarepta</i> (handwritten) [= Krasnoarmeyskiy District of Volgograd City, 48°30’N 44°32’E] // <i>Pristocera depressa</i> (handwritten) [det. F. Morawitz] // к. Ф. Моравица [in cyrillic] [from F. Morawitz collection], [without date and collector, probably Alexander K. Becker`s collection from Sarepta] (ZISP). <i>Paratypes</i>: <b>RUSSIA:</b> 1♂, same labels as in holotype, with additional label “ <i>Radoszkowskii</i> Sauss.[ure]“ [misidentification as mutillid <i>Paramyrmosa radoszkowskyi</i> (Saussure, 1880) by an unknown author, handwritten] (ZISP). <b>AZERBAIJAN</b>: 1♂, near Gobustan [40°03’N 49°24’E], 03.V.2013, D. Kasatkin leg. (ZMMU). <b>ARMENIA</b>: <i>Ararat Province:</i> 1♂, val.[ley] Araxis [River], m.[ountains] Sarai-bulag [Urts Ridge], 5000 [ft] [39°49’N 44°53’E], 08.VI.1928, A. Schelk.[ovnikov] leg. // кол. В. Вучетич [in cyrillic] [from V. Vuchetich collection] (ZISP); 1♀, Karabakhlar [= Chimankend or Urtsadzor [39°55′N, 44°49′E], 10.VI.1960, G. Viktorov leg. (ZMMU); <i>Kotayk Province:</i> 1♂, Jrvezh [40°11’N 44°35’E], 6.VI.1956, L. Zimina leg. (ZISP); 5 ♂, Jrvezh, 18.V and 6.VI.1959, 19.V and 2.VI.1960, G. Viktorov leg. (ZISP); 1♂, same label, 6.VI.1959, G. Viktorov leg. (ZMMU); 1♀, Garny vicinity [40°07’N 44°44’E], 23.V.1999, M. Volkovitsh leg. (ZISP); <i>Tavush Province:</i> 1♂, Verin Kerpilu [= Zoracan, 41°13’N 44°56’E], 31.V.1959, E. Antonova leg. (ZISP); 1♂, same label (ZMMU); 1♂, 10 km W of Kazak [= Gazakh, 41°04’N 45°10’E], 23.V.1959, G. Viktorov leg. (ZISP); <i>Vayots Dzor Province:</i> 1♂, 7 km E of Malishka [39°44’N 45°28’E], 16.VI.1960, G. Viktorov leg. (ZISP); 1♂, Areni [39°43’N 45°11’E], 10.VI.1956, L. Zimina leg. (ZISP); <i>Yerevan</i>: 1♂, 1♀ [<i>in copula</i>], Eriban [= Yerevan, 40°11’N 44°31’E], 18.V.1959, E. Antonova leg. (ZISP).</p> <p> <b>Description</b>. MALE (Fig. 4 A, C–E; 5) Holotype. <i>Measurements.</i> Body 10 mm long; forewing 6 mm long; HL 1.75 mm; HW 1.675 mm; WF 1.18 mm; OOL 0.5 mm; EL 0.8 mm; AOL 0.18 mm; WOT 0.5 mm; DAO 0.1 mm; POL 0.33 mm; LM 3.7 mm; LPD 1 mm; WPD 1.25 mm.</p> <p> <i>Colour.</i> Head and mesosoma are black, except antenna, lateral part of clypeus, apex of mandible, pronotal flange and legs castaneous, lighter in distal part. Metasoma brown, except petiole black to dark orange in distal part, metasomal segment II orange-brown. Hypopygium brown. Basal part genitals dark orange and distal part castaneous. Tegula and wing veins yellow-brown, flexion lines pale. Wings subhyaline. Forewing slightly darkened in antero-distal part from pterostigma to apex.</p> <p> <i>Head.</i> Head 1.05 <b>×</b> longer than its width in dorsal view. Mandible with five distal teeth. Median clypeal lobe trapezoidal, straight or slightly rounded anteriorly, with small central rounded projection. Median carina of clypeus low, arched. Vertex and lateral parts of frons punctate. Punctures large, round, not polygonal, slightly less than diameter of median ocellus (about 0.05 mm); intervals between punctures shiny. In front of median ocellus (on frons) with short (3 DAO) smooth, depressed and shiny triangular area. Ocelli in an obtuse triangle. Anterior ocellus placed anteriorly to imaginary line of eye top. Palpal formula 6:3. Head, mandible, scape, and pedicel with long setae (as on mesosoma). Antenna with short dense setae. Eye ovoid in lateral view. Occipital carina present. Ratio of first five antennomeres 25:6:14:13:13.</p> <p> <i>Mesosoma.</i> Dorsum shinning and punctate, with long setae. Pronotal flange predominantly transversely wrinkled dorsally. Transverse pronotal carina well developed. Dorsal pronotal area trapezoidal, punctured as well as vertex, without transverse wrinkle. Lateral sides of pronotum punctate as pronotal disc, rugose in ventro-lateral part. Posterior margin of prothorax with almost smooth transverse posterior pronotal sulcus, after which with two transverse rows of small punctures. Ventral pronotal area similar in punctation and shine as vertex. Mesoscutum 0.35 × as long as wide. Notauli wide, deep, at bottom with transverse striation. Parapsidal signum narrow, distinct, curved, 2.0–3.0 × narrower than notauli. Mesopleuron punctate. Mesodiscrimen (median ventral line of mesosoma) wide and cellular. Metapectal-propodeal disc as wide as long, without median carina, its median subtriangular area rugose with large cells. Transverse posterior carina weakly expressed. Lateral surface of metapectal-propodeal complex markedly strigulate to rugose, declivity rugose.</p> <p> <i>Wings.</i> Forewing with costal (C) and subcostal veins (Sc+R) parallel. R1 2 V vein long. 2r-rs&Rs vein with two smooth angled bends. Hind wing with six hamuli.</p> <p> <i>Metasoma.</i> Depressed dorsoventrally. Segment I petiolate, with longitudinal folds in ventral surface. Hypopygium deeply divided medially, its inner margin not dentate and slightly sinuous; apex blunt and round, not hook-like, rarely coved with setae reaching middle of inner margin.</p> <p> <i>Genitalia</i> (based on paratypes). Harpe very short, C-shaped, with low blunt tooth on inner side of end, without long curved distal process, almost not protruding beyond aedeagus, its outer margin covered with long setae. Aedeagus short, subconical and thick, its apical lobe long and bifurcated up to quarter of its length. Digitus curved. Cuspis with bunch of long setae in ventral view.</p> <p> <b>Variation.</b> Length body 10.0–14.0 mm; forewing 6.0– 6.5 mm long; HL 1.8–2.0 mm; HW 1.7–1.9 mm; WF 1.18 mm; LM 3.7–4.1 mm; LPD 1.0– 1.25 mm; WPD 1.25–1.43 mm.</p> <p> FEMALE (Figs 4 B, 6). <i>Measurements.</i> Body 8.0–10.0 mm long. HL 1.15–1.70 mm; HW 0.90–1.35 mm.</p> <p> <i>Colour.</i> Body orange. Margin of head near mandible, eye, margin of clypeus, inner margin of mandible and teeth, ventral mesopleuron at middle trochanter level, ventrolateral part of metapectal-propodeal complex and petiole of metasomal segment I reddish brown to brown. Legs and antennae yellowish orange, distally yellow.</p> <p> <i>Head</i>. Head 1.2–1.3 <b>×</b> longer than its width, slightly narrow posteriorly in dorsal view. Head with almost flat and parallel dorsal and ventral surfaces in lateral view. Mandible curved, with four distal teeth (second inner teeth smallest). Median lobe of clypeus with three projections in dorsal view. Punctation dense, head dorsum with longitudinal 14–16 rows of punctures. Longitudinal folds formed from punctures, surface between punctures shiny. Eye small, with about 20 facets, its width slightly less than width of scape. Ratio of first five antennomeres 22:6: 7:7:7.</p> <p> <i>Mesosoma.</i> Dorsal pronotal area narrowed anteriorly, 1.25–1.30 <b>×</b> longer than its width, shiny, densely punctate but slightly less frequently than on head, with six–eight longitudinal irregular rows. Lateral pronotal area punctate and imbricate. Mesothorax triangular, with hardly concave posterior sides and rounded apices. Mesopleuron almost straight (dorsally), its lateral surface parallel to each other, not converge at angle (dorsally). Mesopleuron longer than wide, punctuate. Metapectal-propodeal disc elongated, polished dorsally, with smooth median area, very sparse punctate laterally and with two–three rows of four–five punctures along lateral sides. Maximum width 2.0–2.3 <b>×</b> its minimum width. Lateral marginal carina of the metapectal-propodeal disc developed. Lateral surface not punctate, imbricated.</p> <p> <i>Legs</i>. Mesotibia spinose along outer edge, with two–three longitudinal rows of five–six spines in each.</p> <p> <i>Metasoma.</i> Metasomal spiracles of first tergite close to round shape. Segments more intensively punctured and pubescent distally.</p> <p> <b>Biology.</b> Hosts unknown. Active from late spring to middle of summer (May–July).</p> <p> <b>Remarks</b>. This new species differs from <i>P. depressa</i> and similar Palaearctic species mainly by the shapes of the male genitals, short harpe and aedeagus, and hypopygium (see key below). It also differs from <i>P. formosana</i> Miwa & Sonan, 1935 and other southeast Asian species by five dentate mandible, not dentate inner margin of hypopygium, rufous tergites I–II, absence of regular median carina on metapectal-propodeal disc, and C-shaped harpe without lateral outgrowths and low blunt tooth on inner side of ends, not long digitiform process of harpe.</p> <p> I studied one copulating pair of this species from Armenia (see the Material examined Section). Originally male and female were pinned on a single entomological pin together, but later I remounted them and glued on separate individual paper triangles. After studying this female of <i>Pristocera morawitzi</i> <b>sp. nov</b>., I found in the collection two additional females not associated with males and established their morphological similarity to each other and a significant difference from the females of <i>P. depressa</i> (see diagnostic characters in the description and key).</p> <p> <b>Distribution</b>: Russia (?) (Volgograd Prov.), Azerbaijan, Armenia.</p> <p>The presence of this new species in Russia is still questionable. The holotype and one paratype probably originate from the Sarepta collection of Alexander K. Becker (1818–1901), which also contains material from different geographical localities. Both these specimens have handwritten labels “ Sarepta ” without specifying the date of its catching and the collector names. It is possible that Sarepta is not a true place of specimens collecting, since there is no later collected additional material for this species from the Volgograd Province and adjacent territories. Also, it is well known that A. Becker collected insects in 1840–1890 years not only in the vicinity of Sarepta but had a number of expeditions to Saratov and Astrakhan Provinces, the Caucasus, and the Trans-Caspian region (Viren 1901). The true and additionally confirmed findings of this species are known only from Armenia and Azerbaijan.</p> <p> <b>Etymology</b>. This species is named after Ferdinand Carl Joseph Morawitz (1827–1896), the famous Russian entomologist of 19th century, in whose collection this species were found.</p>Published as part of <i>Fadeev, Kirill I., 2021, Review of the genera Pristocera Klug and Pristepyris Kieffer (Hymenoptera Bethylidae, Pristocerinae) of Russia and adjacent territories, pp. 461-482 in Zootaxa 4965 (3)</i> on pages 470-475, DOI: 10.11646/zootaxa.4965.3.3, <a href="http://zenodo.org/record/4753699">http://zenodo.org/record/4753699</a>
Metal Nanoparticle-Loaded Mesoporous Carbon Nanoparticles: Electrical Contacting of Redox Proteins and Electrochemical Sensing Applications
No full textA new method to incorporate metal nanoparticles, NPs, into pores of mesoporous carbon nanoparticles, MPC NPs, is presented. MPC NPs loaded with metal ion solutions are capped with protein units. The electrochemical reduction of the pore-entrapped ions, followed by digestion of the protein caps, yields metal NPs-loaded MPC NPs electrodes. Pt NPs/MPC NPs electrodes are used for the electrocatalyzed reduction of O2 or H2O2. Furthermore, the metal NPs electrically contact enzymes with the bulk electrodes, as demonstrated for glucose oxidase-capped Pt NPs/MPC NPs electrodes that electrocatalyze glucose oxidation, and for horseradish peroxidase-capped Au NPs/MPC NPs electrodes, which electrocatalyze H2O2 reduction
Targeted VEGF-triggered release of an anti-cancer drug from aptamer-functionalized metal–organic framework nanoparticles
No full textDrug-loaded DNA-capped metal–organic framework nanoparticles are unlocked by the VEGF biomarker, resulting in the targeted release of the drug.</p
Dr. Duane M. Jackson, Morehouse College, July 2011
No full textThis video is a conversation with Dr. Duane M. Jackson. Dr. Jackson talks about his paper, "Recall and the Serial Position Effect: The Role of Primacy and Recency on Accounting Students' Performance." Jackie Daniel, AUC Woodruff Library, is the interviewer
"Reflections on the subject of Emigration from Europe with a view to Settlement in the United States" By M. Carey.
No full text"Reflections on the subject of Emigration from Europe with a view to Settlement in the United States: containing bried sketches of the moral and political character of those states.
By M. Carey, member of the American philosophical, and of the American Antiquarian Society, and author of The Olive Branch, Cindiciae Hibernicae, essays on banking, on political economy, and on internal improvement.
To which are now added the English editor's comments on the subject; together with Important Advice to Emigrants, and Cautions Against Impositions Practiced in the Outports
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
Dr. Glendon Swarthout
No full textHosted by Roger M. Busfield, MSU Assistant Professor of Speech and Theater, Meet the Author is designed to introduce a general audience to a contemporary author and their work through in-depth interviews. This episode features a conversation between Dr. Glendon Swarthout, prolific author and English professor at MSU, and assistant professors Sam S. Baskett and Theodore B. Strandness
Exhibition «The Last Samurai»: Alexander Fadeev and Angelina Stepanova: Visual Representation of the «Personal» And «Public» In the Museum
No full textВ статье рассматривается опыт создания выставки в литературном музее, цель которой актуализировать творчество советского писателя Александра Фадеева в современном социокультурном дискурсе. Культурологический поход и различные приемы визуальной репрезентации позволили авторам отойти от стереотипов в восприятии личности писателя и раскрыть ее в контексте противоречия дихтомии «личного» и «общественного».The article discusses the experience of creating an exhibition in a literary museum. The purpose of the exhibition is to actualize the work of the Soviet writer Alexander Fadeev in the socio-cultural discourse of recent times. The culturological method and various techniques of visual representation made it possible to reveal the personality of the writer in the context of «personal» and «public»
Simulation of thermal plant optimization and hydraulic aspects of thermal distribution loops for large campuses
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Stimuli-Responsive Nucleic Acid-Based Polyacrylamide Hydrogel-Coated Metal–Organic Framework Nanoparticles for Controlled Drug Release
No full textThe synthesis of doxorubicin-loaded metal–organic framework nanoparticles (NMOFs) coated with a stimuli-responsive nucleic acid-based polyacrylamide hydrogel is described. The formation of the hydrogel is stimulated by the crosslinking of two polyacrylamide chains, PA and PB, that are functionalized with two nucleic acid hairpins (4) and (5) using the strand-induced hybridization chain reaction. The resulting duplex-bridged polyacrylamide hydrogel includes the anti-ATP (adenosine triphosphate) aptamer sequence in a caged configuration. The drug encapsulated in the NMOFs is locked by the hydrogel coating. In the presence of ATP that is overexpressed in cancer cells, the hydrogel coating is degraded via the formation of the ATP–aptamer complex, resulting in the release of doxorubicin drug. In addition to the introduction of a general means to synthesize drug-loaded stimuli-responsive nucleic acid-based polyacrylamide hydrogel-coated NMOFs hybrids, the functionalized NMOFs resolve significant limitations associated with the recently reported nucleic acid-gated drug-loaded NMOFs. The study reveals substantially higher loading of the drug in the hydrogel-coated NMOFs as compared to the nucleic acid-gated NMOFs and overcomes the nonspecific leakage of the drug observed with the nucleic-acid-protected NMOFs. The doxorubicin-loaded, ATP-responsive, hydrogel-coated NMOFs reveal selective and effective cytotoxicity toward MDA-MB-231 breast cancer cells, as compared to normal MCF-10A epithelial breast cells
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