1. The gravitational wave follow-up program of the Cherenkov Telescope ArrayMonica Seglar-Arroyo, Christopher Eckner, Gašper Kukec Mezek, Samo Stanič, Serguei Vorobiov, Lili Yang, Gabrijela Zaharijas, Danilo Zavrtanik, Marko Zavrtanik, Lukas Zehrer, 2019, objavljeni znanstveni prispevek na konferenci Opis: The birth of gravitational-wave / electromagnetic astronomy was heralded by the joint observation of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced LIGO and Advanced Virgo, GW170817, and of gamma-rays from the short gamma-ray burst GRB170817A by the Fermi Gamma-ray Burst Monitor (GBM) and INTEGRAL. This detection provided the first direct evidence that at least a fraction of BNSs are progenitors of short GRBs. GRBs are now also known to emit very-high-energy (VHE, > 100 GeV) photons as has been shown by recent independent detections of the GRBs 1901114C and 180720B by the ground-based gamma-ray detectors MAGIC and H.E.S.S. In the next years, the Cherenkov Telescope Array (CTA) will boost the searches for VHE counterparts thanks to its unprecedented sensitivity, rapid response and
capability to monitor large sky areas via survey-mode operation. In this contribution, we present the CTA program of observations following the detection of GW events. We discuss various follow-up strategies and links to multi-wavelength and multi-messenger observations. Finally we outline the capabilities and prospects of detecting VHE emission from GW counterparts.
Ključne besede: multi-messenger astrophysics, the Cherenkov Telescope Array (CTA) Observatory, gravitational waves, very-high-energy photons, gravitational-wave follow-up program
Objavljeno v RUNG: 08.11.2024; Ogledov: 307; Prenosov: 4
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3. 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, izvirni znanstveni članek Ključne besede: carbon nanotubes, magnetite, tartrazine, photodegradation, adsorption, water decontamination
Objavljeno v RUNG: 02.09.2022; Ogledov: 2450; Prenosov: 31
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4. 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, izvirni znanstveni članek Ključne besede: SARS-CoV-2, spike RBD, ExpiCHO, recombinant protein
Objavljeno v RUNG: 15.02.2022; Ogledov: 2587; Prenosov: 0
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5. 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, izvirni znanstveni članek Ključne besede: CNG channels, pore flexibility, X-ray crystallography, MD simulations
Objavljeno v RUNG: 03.03.2021; Ogledov: 2932; Prenosov: 0
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6. Art&Science: What Artistic Innovation can Give to Science&Business?Marko Peljhan, Monica Bello, 2020, druge monografije in druga zaključena dela Opis: 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.
Ključne besede: art, science, innovation, creativity
Objavljeno v RUNG: 04.01.2021; Ogledov: 3385; Prenosov: 0
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8. Effects of alfaxalone or propofol on giant-breed dog neonates viability during elective caesarean sectionsMonica Melandri, Tanja Peric, 2019, izvirni znanstveni članek Opis: 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.
Ključne besede: Alfaxalone, Apgar score, C-section, Canine neonates, Cortisol, Fetal fluids
Objavljeno v RUNG: 26.11.2019; Ogledov: 3632; Prenosov: 98
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9. Hair dehydroepiandrosterone in newborn beef calves from birth up to 10 months of ageMonica Probo, Tanja Peric, Massimo Faustini, Alberto Prandi, Antonella Comin, 2018, objavljeni povzetek znanstvenega prispevka na konferenci Opis: 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.
Ključne besede: hair, dehydroepiandrosterone, cattle, calf
Objavljeno v RUNG: 09.04.2019; Ogledov: 3934; Prenosov: 0
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10. Maternal and fetal hair cortisol concentrations in beef cattle at deliveryTanja Peric, Monica Probo, Antonella Comin, Maria Cristina Veronesi, Marta Montillo, Alberto Prandi, 2018, objavljeni povzetek znanstvenega prispevka na konferenci Opis: 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.
Ključne besede: hair, cortisol, cattle, delivery
Objavljeno v RUNG: 09.04.2019; Ogledov: 4321; Prenosov: 0
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