Search results for "Enol"
showing 10 items of 11328 documents
Application of molecular imprinted polymers for selective solid phase extraction of bisphenol A
2016
Selective molecularly imprinted polymers (MIPs) with bisphenol A as template were synthesized using the non-covalent imprinting approach. MIPs were prepared using thermally initiated polymerization with 1,1’-azobis(cyclohexanecarbonitryle) (ACHN) as initiator and ethylene glycol dimethacrylate (EDMA) as a cross-linking agent. The tested functional monomers included methacrylic acid, acrylamide, and 4-vinylpyridine. The selectivity of the BPA-MIP for the solid phase extraction of bisphenol A was tested in samples containing other related alkylphenols. The polymers prepared in acetonitrile using methacrylic acid or acrylamide as monomer showed the highest selectivity towards target analyte (t…
Few-body insights of multiquark exotic hadrons
2018
In this contribution we discuss the adequate treatment of the $4-$ and $5-$body dynamics within a constituent quark framework. We stress that the variational and Born-Oppenheimer approximations give energies rather close to the exact ones, while the diquark approximation might be rather misleading. Hall-Post inequalities provide very useful lower bounds that exclude possible stable states for some mass ratios and color wave functions.
Measurement of parity-violating spin asymmetries in W± production at midrapidity in longitudinally polarized p+p collisions
2016
We present midrapidity measurements from the PHENIX experiment of large parity-violating singlespin asymmetries of high transverse momentum electrons and positrons from W =Z decays, produced in longitudinally polarized p þ p collisions at center of mass energies of ffiffi s p ¼ 500 and 510 GeV. These asymmetries allow direct access to the antiquark polarized parton distribution functions due to the parityviolating nature of the W-boson coupling to quarks and antiquarks. The results presented are based on data collected in 2011, 2012, and 2013 with an integrated luminosity of 240 pb−1, which exceeds previous PHENIX published results by a factor of more than 27. These high Q2 data probe the p…
Microgastrinae (Hymenoptera: Braconidae) in the Forest State of Artikutza (Navarra: Spain): Diversity and Community Structure
2013
Microgastrinae is one of the largest subfamilies of the Braconidae with about 2,000 described species worldwide. These wasps are of enormous ecological interest due to their role in controlling the caterpillar populations. This study analyses diversity and community structure within the Microgastrinae in the Artikutza Forest, located in the Peñas de Aia Natural Park, western Pyrenees, Spain. The specimens were collected in two different habitats: mixed forest and beech forest. A total of 524 specimens, belonging to nine separate genera and 27 species were captured. Alpha, beta and gamma diversity were analyzed. Additionally, the relationship between Microgastrinae phenology and climatic con…
The Eurasian spoonbill Platalea leucorodia in Sicily between 1972 and 2018, distribution and ecology
2020
The observations of the Eurasian spoonbill made in Sicily between 1972 and 2018 were collected and analyzed. The presences, initially scarce and referred to a few sites, have consolidated over time, and gradually have affected an increasing number of sites. The observations were concentrated in the coastal salt pans and exsalt pans systems, secondarily in the mouths and in inland waters, below 100 m a.s.l.. The greatest number of Eurasian spoonbill was found in the migration period, both post and pre-reproductive; in the summer the lowest values. The average number of birds per flock, compared to subsequent years, from November to January did not vary significantly, while it was variable in…
Dziewiętnastowieczne górnośląskie protokoły sądu rozjemczego jako podstawa badań językowych
2019
Artykuł dowodzi, że w warunkach obcej państwowości ukształtował się w XIX stuleciu na Śląsku polski protokół sądowy jako gatunek tekstu. Oparty był na wzorach niemieckich, wymaganych przez oficjalne czynniki administracyjne. Zawierał konstytutywne wyznaczniki gatunkowe protokołu. Świadczą o tym liczne protokoły polskie zapisane w księgach protokolarnych sądów rozjemczych powiatu strzeleckiego, przechowywane w Archiwum Państwowym w Opolu. Istnienie i funkcjonowanie tego gatunku w określonej sytuacji historycznej Śląska, na przestrzeni siedmiu dziesięcioleci, w warunkach dominacji niemczyzny i przy stałe nasilających się naciskach germanizacyjnych świadczy o nieco szerszym zakresie użytkowani…
Excess electronic recoil events in XENON1T
2020
We report results from searches for new physics with low-energy electronic recoil data recorded with the XENON1T detector. With an exposure of 0.65 t-y and an unprecedentedly low background rate of $76\pm2$ events/(t y keV) between 1 and 30 keV, the data enables sensitive searches for solar axions, an enhanced neutrino magnetic moment, and bosonic dark matter. An excess over known backgrounds is observed at low energies and most prominent between 2 and 3 keV. The solar axion model has a 3.4$\sigma$ significance, and a 3D 90% confidence surface is reported for axion couplings to electrons, photons, and nucleons. This surface is inscribed in the cuboid defined by $g_{ae}<3.8 \times 10^{-12}$,…
Valutazione degli effetti del dimetilamino-partenolide (DMAPT) in vivo in xenotrapianti di cellule di carcinoma mammario MDA-MB231
2014
Obiettivo degli studi condotti in questa tesi è stato quello di valutare l’efficacia del Partenolide in vivo in xenotrapianti ottenuti da cellule di carcinoma mammario triplo negativo MDA-MB231 in topi immunodeficienti. Lo studio è stato condotto impiegando il dimetilamino-partenolide (DMAPT), un analogo del partenolide più solubile. I risultati delle ricerche hanno dimostrato che la somministrazione di DMAPT a topi immunodeficienti portatori di xenotrapianti di cellule MDA-MB231 determina una significativa inibizione della crescita dei tumori e un incremento della sopravvivenza degli animali. Analisi immunoistochimiche condotte su preparati istologici ottenuti dai tumori hanno anche dimost…
Hydrogels for Three-Dimensional Ionizing-Radiation Dosimetry
2021
Radiation-sensitive gels are among the most recent and promising developments for radiation therapy (RT) dosimetry. RT dosimetry has the twofold goal of ensuring the quality of the treatment and the radiation protection of the patient. Benchmark dosimetry for acceptance testing and commissioning of RT systems is still based on ionization chambers. However, even the smallest chambers cannot resolve the steep dose gradients of up to 30–50% per mm generated with the most advanced techniques. While a multitude of systems based, e.g., on luminescence, silicon diodes and radiochromic materials have been developed, they do not allow the truly continuous 3D dose measurements offered by radiation-se…
Kuntoutuksen yhteinen osaaminen ammattikorkeakoulujen opetussuunnitelmissa ja kuntoutuksen asiantuntijoiden kokemana
2017
Suomessa sosiaali-, terveys- ja kuntoutusalan opinnot toteutuvat pääasiassa ammattikorkeakouluissa ja koulutus on laajaa. Ammattikorkeakoulu-uudistuksen yhteydessä kuntoutusalojen osaamisen ja niiden vahvistaminen tulevaisuudessa todettiin tärkeäksi. Tutkimuksen tarkoituksena oli ymmärtää mitä on ammattikorkeakouluissa opiskeltavien kuntoutusalojen yhteinen osaaminen, mikä ilmenee opetussuunnitelmissa ja näiden alojen ammattilaisten kokemuksissa. Tutkimuskysymykset olivat: Mitä on kuntoutuksen yhteinen osaaminen ammattikorkeakoulujen kirjallisissa opetussuunnitelmissa? Millaisia merkityksiä kuntoutuksen yhteisestä osaamisesta on kuntoutuksen alan opiskelijoilla ja ammattilaisilla? Tutkimust…