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Soitinnus: lauluääni, piano.

Seguidilles, fandangos i boleros a les sonates ibèriques per tecla dels compositors Domenico Scarlatti, José de Nebra i Antoni Soler

Aquest projecte neix amb la finalitat d’oferir una perspectiva sobre les sonates ibèriques de les dècades centrals del segle XVIII, i en concret dels cèlebres compositors Domenico Scarlatti, José de Nebra i Antoni Soler, centrada en alguns dels balls de major popularitat a l’època com són les seguidilles, els fandangos i els boleros. Algunes de les sonates ibèriques d’aquests compositors es corresponen amb molts dels paràmetres que condicionen aquests balls i com a conseqüència són sonates que poden ser ballades, tot i que desconeixem si a l’època s’interpretaven amb ballarins. Al voltant d’aquest tema se’ns formulen algunes preguntes referents al gènere i l’estil de les sonates o a la relació dels seus compositors amb els moviments culturals de la ciutat de Madrid que podien haver propiciat aquesta connexió.

Anisotropic surface properties of micro/nanostructured a-C:H:F thin films with self-assembly applications

The singular properties of hydrogenated amorphous carbon (a-C:H) thin filmsdeposited by pulsed DC plasma enhanced chemical vapor deposition (PECVD), such as hardness and wear resistance, make it suitable as protective coating with low surface energy for self-assembly applications. In this paper, we designed fluorine-containing a-C:H (a-C:H:F) nanostructured surfaces and we characterized them for self-assembly applications. Sub-micron patterns were generated on silicon through laser lithography while contact angle measurements, nanotribometer, atomic force microscopy (AFM), and scanning electron microscopy (SEM) were used to characterize the surface. a-C:H:F properties on lithographied surfaces such as hydrophobicity and friction were improved with the proper relative quantity of CH4 and CHF3 during deposition, resulting in ultrahydrophobic samples and low friction coefficients. Furthermore, these properties were enhanced along the direction of the lithographypatterns (in-plane anisotropy). Finally, self-assembly properties were tested with silicananoparticles, which were successfully assembled in linear arrays following the generated patterns. Among the main applications, these surfaces could be suitable as particle filter selector and cell colony substrate.

Taninos hidrolisáveis em Bixa orellana L.

The aqueous material found in the fruits of Bixa Orellana L. was collected, dried, and characterized using several experimental techniques, namely phytochemical analysis in order to identify the biologically active constituents, Fourier transform infrared (FT-IR) spectroscopy for vibrational analysis, and X-ray powder diffraction in order to identify the presence of crystalline phases in the sample. The results showed that the aqueous material possesses high concentrations of hydrolyzable tannin. This result justifies the anti-inflammatory activity of this substance reported in other studies.

Caracterização espectroscópica de peixe do período cretáceo (Bacia do Araripe)

The study of fossils has made considerable progress over the last years as a result of the use of new experimental techniques. This paper describes the chemical composition of a fossilized fish of the Cretaceous period, from a 100 million-year-old, material originated from the Araripe Basin (northeastern Brazil). The chemical composition of the fossilized fish was analyzed by means of X-ray powder diffraction and Fourier transform infrared spectroscopy (FT-IR). The spectroscopic study has proven that the main substances found in the fossilized fish are CaCO3 and Ca5(PO4)3(OH). A tentative mechanism to explain the fossilization process is also given.

”Se olin näin, se ei ollut näin, kaikki on niin kuin sanomme sen olleen” – Postmoderni uudelleenkirjoitus historian ja fiktion suhteiden problematisoijana José Saramagon romaanissa Jeesuksen Kristuksen evankeliumi

Portugalilaisen Nobel-kirjailija José Saramagon romaani Jeesuksen Kristuksen evankeliumi (O Evangelho segundo Jesus Cristo, 1991) herätti ilmestyessään niin suuren kohun, että Saramago muutti pois synnyinmaastaan Portugalista. Teoksen saama kiihkeä vastustus johtui lähinnä sen aiheesta ja kriittisestä sisällöstä; Jeesuksen Kristuksen evankeliumi on postmoderni, kriittinen Raamatun evankeliumien uudelleenkirjoitus. Romaani kertoo kokonaisuudessaan uudestaan kanonisista evankeliumeista tutun Jeesuksen tarinan, mutta antaa useille Jeesuksen elämän vaiheille, sanoille ja teoille täysin päinvastaisen tulkinnan kuin kristinuskon perinteisessä tulkintatraditiossa. Pro gradu -työssäni tutkin paitsi sitä, miten Jeesuksen Kristuksen evankeliumi eroaa Raamatun evankeliumeista, ennen kaikkea sitä, miksi Saramagon romaani kertoo evankeliumeista tutun tarinan uudestaan. Tutkimukseni pääasiallisena teoreettisena viitekehyksenä käytän Linda Hutcheonin teoriaa historiografisesta metafiktiosta ja postmodernista taiteesta. Hutcheon kutsuu postmoderneja historiallisia aiheita käsitteleviä kaunokirjallisia teoksia historiografisiksi metafiktioiksi. Historiografinen metafiktio on kriittistä, poliittista, ironista, parodista, paradoksaalista ja intertekstuaalista. Historiografisessa metafiktiossa pääpaino ei ole menneisyyden kuvaamisessa, vaan menneisyyden kuvaamiseen liittyvissä kysymyksissä ja ongelmissa. Historiografinen metafiktio osoittaa, että menneisyyteen ei ole suoraa pääsyä eikä sitä voi kuvata ”sellaisenaan”. Menneisyyden voi tavoittaa ainoastaan aiempien representaatioiden kautta. Hutcheonin mukaan kaikki representaatiot ovat subjektiivisia, ja sen vuoksi ne pitävät aina sisällään myös tietyn ideologian. Tutkimuksessani päädyn siihen, että Saramagon kanonisten evankeliumien postmodernin uudelleentulkinnan tarkoitus on historiografisen metafiktion tapaan problematisoida historian(kirjoituksen) ja fiktion suhteet. Historian ja fiktion suhteet problematisoidessaan Jeesuksen Kristuksen evankeliumi kommentoi kanonisia evankeliumeja, moderneja Jeesus-romaaneja ja näiden perinteisiä tulkintatraditioita, sekä ilmentää postmodernille filosofialle ominaisia ajattelunvirtauksia. Saramagon kanonisten evankeliumien uudelleenkirjoitus kyseenalaistaa niin kanonisten evankeliumien kuin Jeesus-romaanien tulkintaperinteessä tyypillisen ajatuksen historiallisen totuuden olemassaolosta ja kiistää menneisyyden objektiivisen kuvauksen mahdollisuuden. Jeesuksen Kristuksen evankeliumi osoittaa historiankirjoituksen fiktiivisyyden, mutta nostaa toisaalta esiin ajatuksen fiktion mahdollisuuksista kuvata tekstin ulkopuolista todellisuutta.

Estudo de coprólito da bacia sedimentar do Araripe por meios de espectroscopia FT-IR e difração de Raios-X

Coprolites are fossilized faeces that constitute an important source of palaeobiological informations. This paper describes the characterization of some coprolite materials originated from the Romualdo Member of the Santana Formation (Araripe Basin, south of Ceará State in Brazil) by means of two techniques: X-ray powder diffraction and Fourier transform infrared spectroscopy (FT-IR). This characterization allowed us to determine the main composition of the coprolites, of the nodulus (where the coprolites were extracted) and of the sediment (where the nodulus was found) suggesting that the material was produced by a carnivorous fish of the Lower Cretaceous.

Perfil espacial e temporal de poluentes nas águas da represa municipal de São José do Rio Preto, São Paulo, Brasil

In this manuscript, seasonal and spatial trends of water collected from two sampling places in the Preto River in the Turvo-Grande watershed were evaluated. Water samples were collected during June/07 to July/08 and parameters sulphate, total organic carbon, ammonia, conductivity, dissolved oxygen, temperature, dissolved total solids and nitrate were quantified. Seasonal trend indicated sanitary effluents as a point source of contamination in both sampling points. Vertical trends demonstrated that the Municipal Dam was not stratified and received a diffuse source of pollutants from flooding and agriculture runoffs. It was also verified that there is relatively fast ammonia consumption kinetics having a half-life time of 1.43 h which can explain the low ammonia concentrations found in these aquatic bodies.

Caracterização do material particulado fino e grosso e composição da fração inorgânica solúvel em água em São José dos Campos (SP)

Air samples of fine (PM2,5) and coarse (PM2,5-10) particulate matter were collected in São José dos Campos from February 2004 to February 2005. Average PM10 mass concentrations was 31.2 ± 14.0 μg m-3, half of which belonging to the PM2.5 fraction. Ammonium and SO4(2-) were predominantly found in the fine fraction. Average (NH4)2SO4 concentration was estimated to be about 2.9 μg m-3. Chloride, Na+ and NO3- were mostly associated with PM2,5-10. Chloride deficits with respect to sea-salt Cl/Na ratio were found in both size fractions.

Inhalable particulate matter characterization in a medium-sized urban region in Brazil (São José dos Campos Town) - Part I: Morphology

In this study, the concentration and morphological characteristics of inhalable particulate material (PM10) were evaluated and associated with climatic conditions. The mean annual concentration was 11.0 µg m−3, varying between 0,647 µg m−3 and 36.8 µg m−3. Wind speed has a higher influence on PM10 dispersion, but direction was associated with particle source. During the wet period, wind speed is the main dispersion factor, while speed and direction both are important during the dry period. Based on the morphological characteristics, it is concluded that biogenic particles prevail during the rainy season and terrigenous particles during the dry period, depending on the wind direction and intensity.

Podridão basal pós-colheita do coco verde no estado do Ceará

A new post-harvest disease of coconut (Cocos nucifera) was recently detected in fruits exported to European countries. The main symptoms are the blacking and cracking of basal parts of the fruits. Water oozing may occurs as the infection progresses. The fungus Lasiodiplodia theobromae has been frequently isolated from the lesions. Inoculation tests proved that this pathogen is the causal agent of the coconut fruit basal rot. This is the first occurrence of this post-harvest disease in Brazil.