Search results for " steri"
showing 9 items of 49 documents
Coppie sterili o infertili e coppie «same-sex». La genitorialità negata come problema giuridico
2015
Il saggio esamina la questione della determinazione della genitorialità riguardo a coppie che, benché sterili o infertili, non possono accedere alle tecniche di procreazione medicalmente assistita ammesse dalla normativa italiana e alle coppie omosessuali, alle quali pure tale accesso è precluso: in entrambi i casi esse realizzano la loro aspirazione in ordinamenti diversi ove sono consentite metodiche come la maternità di sostituzione o nei quali è ammessa, ad esempio, la c.d. «second parent adoption». Le fattispecie rilevanti vengono scrutinate sotto differenti punti di vista (artificio e natura nella disciplina delle relazioni familiari e di filiazione, in particolare; autodeterminazione…
Development of an in vitro neuroblastoma 3D model and its application for sterigmatocystin-induced cytotoxicity testing
2021
Abstract Given the increasing importance of establishing better risk assessments for mycotoxins, novel in vitro tools for the evaluation of their toxicity are mandatory. In this study, an in vitro 3D spheroid model from SH-SY5Y cells, a human neuroblastoma cell line, was developed, optimized and characterized to test the cytotoxic effects caused by the mycotoxin sterigmatocystin (STE). STE induced a concentration- and time-dependent cell viability decrease in spheroids. Spheroids displayed cell disaggregation after STE exposure, increasing in a dose-dependent manner and over time. STE also induced apoptosis as confirmed by immunofluorescence staining and Western blot. Following the decrease…
Effect of electron-beam irradiation on structure of ultra high molecular weight polyethylene used in medical implants
2004
Określono wpływ napromieniania strumieniem elektronów dawką równoważną stosowanej w praktyce podczas sterylizacji radiacyjnej endoprotez chirurgicznych (26 kGy) oraz dwukrotnie większą (2 . 26 kGy) na zmianę struktury PE-UHMW o nazwie handlowej „,Chirulen 1120”' (tabela 1) służącego do otrzymywania panewek endoprotez biodrowych. Metodą FT-IR zbadano zmiany strukturalne polimeru, stwierdzając głównie występowanie skutków jego utlenienia (wzrost udziału grup karbonylowych typu ketonowego, estrowego i nadestrowego, grup hydroksylowych oraz winylowych) (rys. 1). Metodą GPC stwierdzono, że napromienianie powoduje także częściową degradację makrocząsteczek (zmniejszenie ciężaru cząsteczkowego o j…
Reply of the Authors: Hysteroscopic resection of the uterine septum: is it always a necessity?
2009
[No abstract available]
Marmamamar. Sul soffitto dipinto dello Steri
2011
Articolo di taglio divulgativo dove si discute l'ipotesi di F. Bologna circa il "discorso di argomento donnesco" svolto nel vasto ciclo pittorico del soffitto dello Steri in Palermo (1377-80) e si propone una diversa interpretazione del piano iconografico, nonché una decifrazione dell'epigrafe "Marmamamar" sulla mensola del trave V B.
Search for sterile neutrinos in the CC verbatim_mark>mathend000# mode at the new CERN-SBLNF
2013
The possible existence of non-active neutrinos for the ElectroWeak interactions was first proposed in 1967 by B. Pontecorvo who named them "sterile" neutrinos. Recent tensions among world-wide experimental data renewed the possibility of one or more sterile neutrino states. Several "anomalies" emerged in radioactive sources and reactor neutrino experiments, as well as the long-standing LSND and the recent MiniBooNE hints for neutrino and antineutrino oscillations with a δm2 at the eV2 scale, not compatible with the standard 3 × 3 neutrino mixing scenario. While a huge effort is being devoted to establish the standard three-neutrino mixing paradigm no conclusive experiment was carried out to…
« Leggere le pitture come fossero un libro ». L’interprétation du plafond peint de Manfredi Chiaramonte entre philologie et histoire*
2019
Le plafond en bois peint (1377-1380) de la grande salle du Palais Chiaramonte ou Steri à Palerme, « somme figurative de toute la littérature romanesque du Moyen Âge » (G. Folena), est un monument unique en son genre où se rencontrent des traditions artistiques et littéraires européennes, méditerranéennes et locales. Depuis sa découverte en 1899, il a été étudié par des archéologues et des historiens de l’art, mais aussi par des philologues comme Ezio Levi et Maria Bendinelli Predelli, qui se sont questionnés sur les sources littéraires et iconographiques de ses nombreuses scènes narratives : histoires de Tristan et Ιseult, d’Hélène de Narbonne, du Cycle troyen, d’Alexandre le Grand, d’Enée …
Supercritical carbon dioxide induces sterilization of PLLA scaffolds contaminated by E. coli.
2014
The common sterilization techniques are based on physical processes that involve, for example, the use of autoclaves or systems to radiation such as γ-rays that can cause a structural change of the polymer treated. Therefore, the use of supercritical carbon dioxide (scCO2) is an excellent alternative, as it does not induce any variation of biomaterials treated (Perrut M., 2012). It's a good candidate because is readily available at low cost, non-toxic and non-flammable, it has an easily accessible critical point (7.38 MPa and 304.2 K) and excellent transport properties and wettability (White A. et al., 2005). We report the development of a supercritical CO2 based process capable of steriliz…
Biotehnoloģisko metožu izmantošana vietējās selekcijas apšu hibrīdu pavairošanā audu kultūrā
2015
Pavairojot apšu hibrīdus audu kultūrā, nākas saskarties ar tādām problēmām kā kultivēšanas dārdzība, infekcijas un kultūras ilgtermiņa uzturēšanas izmaksas. Darba mērķis bija izstrādāt zinātnisko pamatu vietējās selekcijas apšu hibrīdu pavairošanas un uzglabāšanas efektivitātes paaugstināšanai. Darbā pārbaudīta HgCl2 virsmas sterilizācijas tehnika un tās ietekme uz mikrospraudeņu vitalitāti, kā reprezentatīvo rādītāju izmantojot hlorofila a fluorescences parametru vērtības; ex vitro pavairošanas pieeja; mikrospraudeņu uzglabāšanas iespējas +50C temperatūrā. Iegūtie rezultāti liecina, ka HgCl2 virsmas sterilizācija ir izmantojama mikrospraudeņu dezinfekcijai un augu vitalitāti būtiski neiete…