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2. Synthesis and Characterization of MWCNT-COOH/Fe3O4 and CNT-COOH/Fe3O4/NiO Nanocomposites: Assessment of Adsorption and Photocatalytic PerformanceAdina Stegarescu, Humberto Cabrera, Hanna Budasheva, Maria-Loredana Soran, Ildiko Lung, Francesca Limosani, Dorota Korte, Matteo Amati, Gheorghe Borodi, Ocsana Opris, Monica Dan, Stefano Bellucci, 2022, original scientific article Keywords: carbon nanotubes, magnetite, tartrazine, photodegradation, adsorption, water decontamination
Published in RUNG: 02.09.2022; Views: 1300; Downloads: 25
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3. Expression, purification and characterization of SARS-CoV-2 spike RBD in ExpiCHO cellsMatteo De March, Michela Terdoslavich, Sulena Polez, Corrado Guarnaccia, Monica Poggianella, Alessandro Marcello, Nataša Skoko, Ario De Marco, 2022, original scientific article Keywords: SARS-CoV-2, spike RBD, ExpiCHO, recombinant protein
Published in RUNG: 15.02.2022; Views: 1637; Downloads: 0
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4. A structural, functional, and computational analysis suggests pore flexibility as the base for the poor selectivity of CNG channelsLuisa M. R. Napolitano, Ina Bisha, Matteo De March, Arin Marchesi, Manuel Arcangeletti, Nicola Demitri, Monica Mazzolini, Alex Rodriguez, Alessandra Magistrato, Silvia Onesti, 2015, original scientific article Keywords: CNG channels, pore flexibility, X-ray crystallography, MD simulations
Published in RUNG: 03.03.2021; Views: 2125; Downloads: 0
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5. Art&Science: What Artistic Innovation can Give to Science&Business?Marko Peljhan, Monica Bello, 2020, other monographs and other completed works Abstract: Artists are increasingly joining scientists in their research facilities; the tools and methodologies used by artists and designers radically shift the way research questions are conceived and the way problems are discussed and articulated. These unorthodox methodologies often lead to unorthodox solutions, providing inspiration not only to the teams they are part of but also to society at large. Can artists engage meaningfully in all phases of scientific research? Where could the outsiders’ artistic approach contribute the most? Can these participatory methodologies also provide inspiration for addressing the burning issues of the present? Join leading entrepreneurs and researchers to find out how artists add value to their work.
Keywords: art, science, innovation, creativity
Published in RUNG: 04.01.2021; Views: 2246; Downloads: 0
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7. Effects of alfaxalone or propofol on giant-breed dog neonates viability during elective caesarean sectionsMonica Melandri, Tanja Peric, 2019, original scientific article Abstract: Attention must be paid to C-section anesthesia effects on mother and offspring. Alfaxalone induction results in improved puppy viability when compared to propofol. The present study aims to evaluate effects of alfaxalone or propofol induction for elective C-section on newborns, expressed as Apgar score and fetal fluids cortisol concentration. Anesthesia was induced with alfaxalone 3 mg/kg iv in 5 bitches (group A), and propofol 4 mg/kg iv in another 5 (group P), maintained with isoflurane. Amniotic and allantoic fluids were collected to determine cortisol concentration. Apgar score, litter size, newborn gender, birth-weight, maternal age, and parity were recorded. ANOVA, U Mann-Whitney test and ANCOVA assessed the effects of drugs on the Apgar score and fetal fluids cortisol. Thirty-six puppies were randomly selected for the study: 16 from group A and 20 from group P. Only the Apgar score significantly differed between groups. ANCOVA confirmed a significantly higher Apgar score in group A underlining the influence of fetal fluids cortisol concentrations, both resulting in covariates. Present results confirm the effect of anesthesia on the Apgar score of newborns, which is significantly higher for alfaxalone than propofol, suggesting the use of fetal fluids cortisol as a covariate. These findings could be a starting point for further investigations when less viable puppies are detected or expected, such as during an emergency C-section. © 2019 by the authors. Licensee MDPI, Basel, Switzerland.
Keywords: Alfaxalone, Apgar score, C-section, Canine neonates, Cortisol, Fetal fluids
Published in RUNG: 26.11.2019; Views: 2834; Downloads: 96
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8. Hair dehydroepiandrosterone in newborn beef calves from birth up to 10 months of ageMonica Probo, Tanja Peric, Massimo Faustini, Alberto Prandi, Antonella Comin, 2018, published scientific conference contribution abstract Abstract: Although steroidogenesis in maternal, placental and fetal compartments is interdependent, the maternal and fetal hypothalamic-pituitary-adrenal (HPA) axes represent separate biological systems, with dehydroepiandrosterone (DHEA) recognized as the main fetal steroid. Fetal steroids are likely to influence development and have long-term effects on HPA function. Hair analysis represents a promising methodological approach for the non-invasive measurement of steroids, allowing for a retrospective analysis of the total exposure to steroids over time, and avoiding the influence of acute events or circadian fluctuations (Schury et al. 2017, BMC Psychiatry 17:213). Hair coat DHEA (hcD) concentrations have been investigated in cows (Peric et al. 2017, Livestock Sci 202:39–43), but no studies
have been performed on newborn calves. Hair samples of 12 beef
calves (7 males, 5 females) were collected by shaving at calving (T0) and monthly up to 10 months of age (T1-T10), only on the re-growth area. Hair DHEA was analyzed by RIA2. Statistical analysis revealed that hcD concentrations in calves were influenced by age, with higher levels at T1 and T2 compared to the other samples (p < 0.05). HcD levels were not influenced by newborn gender, birth weight and Apgar score. These data demonstrate that DHEA is quantifiable in the hair coat of newborn calves, and that hcD levels are influenced by the age of calves. The higher accumulation of DHEA was detected from birth to 2 months of age, suggesting that DHEA continues to be secreted by the newborn calf also beyond birth and could be involved in the events occurring during the first months of age.
Keywords: hair, dehydroepiandrosterone, cattle, calf
Published in RUNG: 09.04.2019; Views: 3173; Downloads: 0
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9. Maternal and fetal hair cortisol concentrations in beef cattle at deliveryTanja Peric, Monica Probo, Antonella Comin, Maria Cristina Veronesi, Marta Montillo, Alberto Prandi, 2018, published scientific conference contribution abstract Abstract: Hypothalamus-pituitary-adrenal (HPA) axis of both mother and fetus, is one of key mechanisms involved in fetal programming. Cortisol, the end-product of this axis, plays a critical role in regulating fetal and new-born metabolism and development. The aim of the study was to evaluate maternal and fetal cortisol concentrations shortly after delivery on hair samples non-invasively collected. The study was carried out on 11 pairs of beef cows and their calves (calves were 12 because of one case of twins) from the same farm and subjected to the same managerial conditions. Hair from new-born
calves and from their mothers was
collected on the day of birth shaving their withers to the level of the skin. The hair cortisol concentrations (HCC) were determined by RIA as previously described (Peric et al. 2013: J Dairy Sci 96:3023–3027). The results showed that fetal and maternal HCC ranged from 16.11 to 40.43 pg/mg and from 1.88 to 15.73 pg/mg respectively, with fetal and maternal mean ± SE HCC of 23.72 ± 2.21 and 6.40 ± 1.32 pg/mg respectively (p < 0.001). Fetal HCC were on average 3.5 higher than those of mothers but this ratio differed among the pairs. These differences were also found among the twin calves. These results indicate that in beef cows-and-calves pairs, although HCC at delivery were always higher in calves than in cows, the ratio between fetal and maternal HCC differs among pairs, suggesting an individuality in the fetal programming processes that may also rely on genetic and epigenetic factors.
Keywords: hair, cortisol, cattle, delivery
Published in RUNG: 09.04.2019; Views: 3472; Downloads: 0
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10. Ultra-Fast-VUV Photoemission Study of UV Excited 2-NitrophenolA. Ciavardini, Marcello Coreno, Carlo Callegari, C. Spezzani, Giovanni De Ninno, Barbara Ressel, Cesare Grazioli, Monica de Simone, Antti Kivimak̈i, Paolo Miotti, Fabio Frassetto, Luca Poletto, Petra Rudolf, Simona Fornarini, Marco Pezzella, Enrico Bodo, Susanna Piccirillo, 2019, original scientific article Abstract: The initial deactivation pathways of gaseous 2-nitrophenol excited at 268 nm were investigated by time-resolved photoelectron spectroscopy (TRPES) with femtosecond-VUV light, produced by a monochromatized high harmonic generation source. TRPES allowed us to obtain new, valuable experimental information about the ultrafast excited-state dynamics of 2-nitrophenol in the gas phase. In accord with recent ab initio on-the-fly nonadiabatic molecular dynamic simulations, our results validate the occurrence of an ultrafast intersystem crossing leading to an intermediate state that decays on a subpicosecond time scale with a branched mechanisms. Two decay pathways are experimentally observed. One probably involves proton transfer, leading to the most stable triplet aci-form of 2-nitrophenol; the second pathway may involve OH rotation. We propose that following intersystem crossing, an ultrafast fragmentation channel leading to OH or HONO loss could also be operative.
Keywords: Ultrafast photoemission, nitrophenol
Published in RUNG: 12.02.2019; Views: 3636; Downloads: 0
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