2,129 research outputs found
The Great Theatre of the World. Salvator Rosa and the Academies
No full textLa mostra organizzata con Dulwich Picture Gallery di Londra e Kimbell Art Museum di Fort Worth dall’autrice con Helen Langdon e Xavier Salomon, presenta un ingente numero di capolavori di Salvator Rosa. Nel catalogo la studiosa ha redatto numerose schede e un saggio sul rapporto fondamentale dell’artista con il mondo accademico –letterario, teatrale ed artistico- del suo tempo. Attraverso documenti per lo più inediti (componimenti, lettere, inventari), l’autrice ricostruisce un pezzo di vita culturale e artistica tra Firenze e Roma a cavallo del quinto e settimo decennio del Seicento. Si tratta di uno scenario in cui, insieme al protagonista Rosa, si intrecciano artisti del calibro di Pier Francesco Mola e Carlo Dolci, e committenti quali Flavio Chigi o Giovan Carlo de Medici. The exhibition, organized with the Dulwich Picture Gallery in London and the Kimbell Art Museum in Fort Worth by the author toghether with Helen Langdon and Xavier Salomon, had shown many of the Salvator Rosa’s masterpieces. In the catalogue the scholar did many entries and an essay on the really essential relation among the artist and the Seventeenth Century Academies of Florence and Rome. Academies that were not only artistic but also of music, theatre and poetry. Thanks to unpublished documents (poems, letters and inventories) the author can reconstruct the artistic and cultural life in Florence and Rome between 1640th and 1650th. Together with Salvator Rosa are others leading artists and patrons such as Pier Francesco Mola, Carlo Dolci, Pietro da Cortona, and Flavio Chigi or Giovan Carlo de Medici.
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Adsorption of glycosaminoglycans onto coral - a new possible implant biomaterials for regeneration therapy
No full textThe adsorption of glycosaminoglycans (heparin, heparan sulfate, dermatan sulfate, highly sulfated chondroitin sulfate, chondroitin sulfate, and hyaluronan) onto coral has been investigated. Granules of natural coral of specific diameter, between 100 and 500 mu m, having high content of calcium (> 98%) and a homogeneous surface adsorb glycosaminoglycans with different capacity. Heparin (maximum adsorption 1.29 +/- 0.10 mg/20 mg of coral, 6.45% w/w) is adsorbed more than highly sulfated chondroitin sulfate species (maximum adsorption of 0.90 +/- 0.06 mg/20 mg of coral, 4.50% w/w), chondroitin sulfate (maximum adsorption of 0.72 +/- 0.06 mg/ 20 mg of coral, 3.60% w/w), dermatan sulfate (maximum adsorption of 0.70 +/- 0.06 mg/20 mg of coral, 3.50% w/w) and heparan sulfate (maximum adsorption of 0.72 +/- 0.07 mg/20 mg of coral, 3.60% w/w). Hyaluronan is not adsorbed onto granules of coral. The percentage adsorption of polyanions onto coral depends mainly on their charge density, with sulfate groups being more important than carboxyl groups. This study found no evidence that iduronic acid is more important than glucuronic acid and no role of molecular mass on the adsorption of polysaccharides onto coral was found. The adsorption of glycosaminoglycans is driven by electrostatic interactions with calcium sites of coral that are dependent on pH and blocked in the presence of large amounts of salt. Due to these peculiar properties, the combination of granules of natural coral with glycosaminoglycans makes this material potentially useful in osseointegration in bone metabolism or periodontal therapy
Marisa Volpi. Legami a doppio filo fra pittura, scrittura, lettura
No full textIl contributo presenta la figura della critica e storica dell'arte Marisa Volpi (1928-2015), personalità di spicco della critica d'arte degli anni Sessanta e Settanta, nonché scrittrice (premio Viareggio 1986) e autrice di racconti ispirati alle vite d'artista. Con alcuni esempi, viene messo in luce lo stretto legame fra l'attività di ricerca storica, l'elaborazione critica e la scrittura di Marisa Volpi.The contribute focuses on the intellectual figure of Marisa Volpi (1928-2015): art historian, professor, art critic, curator and writer (Viareggio Prix 1986). The author of this contribute runs the website www.marisavolpi.it, with the patronage of the Department of Art History and Performing media at Sapienza University, where Marisa Volpi's archive is situated
An investigation of coastal groundwater discharge and associated nutrient inputs: using electrical resistivity, temperature, and geochemical tracers in Pescadero Lagoon, California
No full textThesis (M.S.) -- San Jose State University, 2014."A thesis presented to the faculty of Moss Landing Marine Laboratories."by Christina M. Volpi"A thesis presented to the faculty of Moss Landing Marine Laboratories.
Best Practices on Chondroitin Quality in a Globalized Supply Chain: Quality Regimes, Standards, and Methodologies
No full textThere is modest clinical evidence supporting the safe use of Chondroitin Sulfate (CS) for pain management in arthritis patients.(Singh et al., 2015) In the United States CS is used as a dietary ingredient in dietary supplements intended to support joint health, while in the European Union countries CS is included in treatment regimens for osteoarthritis pain management. Accordingly the United States Pharmacopeia has set CS quality standard for dietary supplement grade CS, while the European Pharmacopoeia’s quality standard are for pharmaceutical grade chondroitin sulfate. It has been reported that specific activity of CS depends on the quality: such as chondroitin sulfate structure and properties that determine its bioavailability and efficacy.(Volpi, 2009) Thus CS quality affects therapeutic utility of commercial preparations, particularly products manufactured to meet pharmaceutical standards versus products manufactured to meet food grade standards (dietary supplements). In this poster we discuss various testing methods available that can be used to establish identity, purity, strength, composition and limit of contaminants of CS. To ensure high quality and purity of CS material, we recommend the use of compendial CS standards with complementary analytical procedures as well as adherence to proper quality systems, good laboratory practices and training. These practices will ensure that only high quality CS is used in medicines and dietary supplements so that patients and consumers can benefit appropriately
FAST MOVING AND SLOW MOVING HEPARINS, DERMATAN SULFATE, AND CHONDROITIN SULFATE - QUALITATIVE AND QUANTITATIVE-ANALYSIS BY AGAROSE-GEL ELECTROPHORESIS
No full textHeparin from beef intestinal mucosa, dermatan sulfate from beef intestinal mucosa, and chondroitin sulfate from bovine trachea were extracted and purified, and their structures and physico-chemical properties were evaluated by different techniques (disaccharide patterns by specific enzymatic cleavage, relative molecular mass by high-performance size-exclusion chromatography, sulfate-to-carboxyl ratio by potentiometric determination). Heparin was fractionated into ''slow moving'' and ''fast moving'' fractions by selective precipitation as the barium salt at different temperatures. The ''fast moving'' and ''slow moving'' components of heparin, dermatan sulfate, and chondroitin sulfate were utilized to run calibration curves in agarose-gel electrophoresis. Mixtures containing different amounts of these glycosaminoglycans were made and separated by agarose-gel electrophoresis, and these were analyzed quantitatively. For analysis of relative amounts, the area of each individual component of mixtures, obtained by photodensitometric readings, was divided by the sum of the areas of all glycosaminoglycans and expressed as a percentage. For analysis of absolute amounts, the area under the curve for each component of mixtures was fitted to specific calibration curves, and the amount of each glycosaminoglycan was calculated in mug. The quantitative procedure performed by analysing absolute amounts was used to obtain an accurate quantitative evaluation of each component in mixtures of glycosaminoglycans utilized for pharmaceutical purposes. A sensitive method was developed for the evaluation of very small amounts (0.2% w/w) of possible glycosaminoglycans as contaminants in preparations of a single species of glycosaminoglycan. This technique requires specific enzymatic degradation by bacterial lyases, separation in agarose-gel electrophoresis, and quantitative analysis by photodensitometric analysis and specific calibration curves
Separation of capsular polysaccharide K4 and defructosylated K4 by high-performance capillary electrophoresis
No full textA rapid, highly sensitive and reproducible high-performance capillary electrophoresis (HPCE) method (electrokinetic chromatography with sodium dodecyl sulfate) is described for the determination of the polysaccharide from the uropathogenic Escherichia coli K4 bacteria (05:K4:H4) and its defructosylated product. The two polyanions, K4 and defructosylated K4, are separated and readily determined within 30 min on an uncoated fused-silica capillary using normal polarity at 20 W and detection at 200 nm. A linear relationship was found for the two polysaccharides over a wide range of concentrations, from approximately 30 ng (0.5 mug/muL) to 210 ng (3.5 mug/muL). The described method was used to evaluate the defructosylation process of K4 under drastic acid conditions
L'aquila e il leone. La Honvédség ungherese 1848-1878
No full textThe monography faces the Nationality Question in XIX Century's Hungary, by the point of view of magyarization within the National Hungarian Army (Honvedseg). The author analyzes the Heritage of national Revolution in 1848, showing the differences between the independent national Army of 1848-49 and the new Militia of 1868, which was originally supposed to be an auxiliary Force of Austria-Hungary's reorganized Habsburg Army. The occupation of Bosnia in 1878 is considered the turning point of the new Honvedseg: the deployment in Bosnia in a matter of fact was the first step of the former Hungarian Militia's gradual transformation into a fully integrated national Army
Intrecci di arte e letteratura in un ideale viaggio con Marisa Volpi
No full textThe author recalls the figure of Marisa Volpi (Macerata 1928- Rome 2015) in her dual role as an art historian and writer, focusing on the close relations between the two activities, starting from the second half of 1970. The “memory" path, even through personal experiences, is always supported by a critical reading of passages from his writings, in the desire to remember with affection and rigor a prominent personality of the world of culture and art. Indeed, from the evocative writing of the Volpi, great art historians emerge with the same extraordinary vividness, such as Roberto Longhi, Giulio Carlo Argan, Corrado Maltese and artists who have marked the nineteenth and twentieth centuries, from Impressionism to Italian art and American from the sixties onwards. L’autrice ricorda la figura di Marisa Volpi (Macerata 1928-Roma 2015) nella sua duplice veste di storica dell’arte e di scrittrice, mettendo a fuoco i rapporti stretti tra le due attività, a partire dalla seconda metà del 1970. Il percorso della “memoria”, anche attraverso ricordi personali, è sempre supportato da una lettura critica di brani dei suoi scritti, nel desiderio di ricordare con affetto e rigore una personalità di grande rilievo del mondo della cultura e dell’arte. Dalla scrittura evocativa della Volpi emergono, infatti, con la medesima straordinaria vivezza grandi storici dell’arte quali Roberto Longhi, Giulio Carlo Argan, Corrado Maltese e artisti che hanno segnato l’Ottocento e il Novecento, dall’Impressionismo fino all’arte italiana e americana dagli anni Sessanta in poi
Neopolicial: el escritor como detective en Una novela criminal de Jorge Volpi
No full textEn el presente estudio desarrollamos un análisis literario de Una novela criminal de Jorge
Volpi con el fin de demostrar que la categoría del neopolicial define con mayor precisión a
esta obra, a pesar de que en su narrativa coexistan varios géneros/subgéneros (neopolicial,
crónica, novela documental, no ficción). Luego, reflexionamos sobre la figura de Jorge Volpi
como autor, narrador-investigador, narrador-autor y personaje neodetective dentro de su
novela, cuyo término fue un hallazgo que surgió como resultado de nuestra lectura. Para
sustentar la validez de estas afirmaciones nos apoyamos en referentes del policial y
neopolicial latinoamericano, tales como: Rodolfo Walsh, Ricardo Piglia, Paco Ignacio Taibo
II, entre otros. Por lo tanto, nuestro objetivo es identificar los elementos de la novela
neopolicial latinoamericana y del autor como personaje neodetective en su obraIn the present study, we develop a literary analysis of A Criminal Novel by Jorge Volpi to show
that the neopolicial category defines this work more precisely, even though several
genres/subgenres coexist in its narrative (neopolicial, chronicle, documentary novel, not
fiction). Then, we reflect on the figure of Jorge Volpi as an author, narrator-researcher,
narrator-author and neo-detective character within his novel, whose term was a finding that
emerged as a result of our reading. To support the validity of these statements, we rely on
references from the Latin American police and neo-police, such as Rodolfo Walsh, Ricardo
Piglia, Paco Ignacio Taibo II, among others. Therefore, our objective is to identify the elements
of the Latin American neopolitical novel and the writer as a neodetective character in his workLicenciado en Pedagogía de la Lengua y LiteraturaCuenc
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