65 research outputs found

    The Effect of Bifidobacterium on Reducing Symptomatic Abdominal Pain in Patients with Irritable Bowel Syndrome: A Systematic Review

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    Probiotics, specifically Bifidobacteria, may improve abdominal pain in patients with irritable bowel syndrome (IBS); however, results from randomised controlled trials (RCTs) are conflicting. Here, we systematically reviewed the efficacy of Bifidobacteria on abdominal pain in IBS. We searched MEDLINE, EMBASE and the Cochrane Controlled Trials Register from inception to 20 May 2019, without language or date restrictions. The search strategy comprised of the combination of three concepts: supplementation, abdominal pain, and IBS. Inclusion criteria included double-blind placebo-controlled RCTs featuring Bifidobacteria supplementation in Rome-diagnosed IBS patients. A total of 8 RCTs involving a total of 1045 patients with Rome diagnosed IBS were included. The dose of total Bifidobacteria ranged from 106 to > 1011 cfu (colony-forming unit) and duration of supplementation ranged between 2 and 8 weeks. Bifidobacteria was delivered through either intake of fermented milk products, encapsulation or via a malted milk beverage, with all studies assessing abdominal pain via a visual analogue Likert scale. From the studies included, 50% (n = 4) of studies found a statistically significant improvement in abdominal pain following Bifidobacteria supplementation compared to placebo, 38% (n = 3) of studies found non-significant improvements and 12% (n = 1) showed a statistically significant dose-response effect of improvement. The evidence shows a heterogeneity of effect for Bifidobacteria dependent upon strain, dosage and delivery method. While not all studies demonstrate significant improvements in abdominal pain, none of the selected studies reported an increase in pain or other adverse effects

    Innovative Vibrating Hydraulic Dredge for Striped Venus (Chamelea gallina) Fishing

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    Special issue Evaluation of New Technological Solutions in Agriculture.-- 16 pages, 5 figures, 6 tables, supplementary materials https://www.mdpi.com/article/10.3390/agriengineering4010001/s1.-- Data Availability Statement: Not applicableThis work proposes the experimentation of an innovative hydraulic dredge for clam fishing (Chamelea gallina) in the Adriatic Sea (Italy). This innovative gear aimed at increasing the selectivity of the typical hydraulic dredge used currently, while at the same reducing the impact on benthos through the conception, installation, and experimentation of innovative technological solutions, consisting mainly of a vibrating bottom panel on the dredge and a “warning device” on the dredge mouth. Comparative experiments of the traditional vs. the modified gear, employing two boats fishing in parallel on the northern coast of Abruzzi (Adriatic Sea) and contrasting the catch with both paired comparisons and through modelling, showed that the innovative hydraulic dredge retains fewer undersize clams while yielding similar amounts of commercial product, moreover of higher quality; at the same time, it takes on board less discard, and catches significantly less vagile fauna. In short, the innovative gear is gaining five times over a list of six parameters considered as positive and/or advantageous for the clam fishery. The results allow proposals of potential improvements to clam-fishing instruments to make the selection processes more effective while promoting a lower impacting fishery, which is essential for clam managementThis work has been funded by the Italian Ministry for Policies regarding Food, Agriculture and Forestry (MiPAAF), within the framework of the measure 1.39 of the program FEAMP 2014 2020With the institutional support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S)Peer reviewe

    Phylogeography and Molecular Evolution of Potato virus Y

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    Potato virus Y (PVY) is an important plant pathogen, whose host range includes economically important crops such as potato, tobacco, tomato, and pepper. PVY presents three main strains (PVYO, PVYN and PVYC) and several recombinant forms. PVY has a worldwide distribution, yet the mechanisms that promote and maintain its population structure and genetic diversity are still unclear. In this study, we used a pool of 77 complete PVY genomes from isolates collected worldwide. After removing the effect of recombination in our data set, we used Bayesian techniques to study the influence of geography and host species in both PVY population structure and dynamics. We have also performed selection and covariation analyses to identify evolutionarily relevant amino acid residues. Our results show that both geographic and host-driven adaptations explain PVY diversification. Furthermore, purifying selection is the main force driving PVY evolution, although some indications of positive selection accounted for the diversification of the different strains. Interestingly, the analysis of P3N-PIPO, a recently described gene in potyviruses, seems to show a variable length among the isolates analyzed, and this variability is explained, in part, by host-driven adaptation

    Evaluation of the efficacy of Oberon (Spiromesifen), to contain infestations of mites and whiteflies on Capsicum annuum L.

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    Following the EPPO guidelines and Principles of Good Experimental Practice (GEP), an experiment was realised in autumn 2008 for evaluating the efficacy of Oberon applied by foliar treatments to contain infestations of mites and whiteflies on Capsicum annuum L.. Two different dosages of OBERON (a.i. Spiromesifen)--45 and 60 g/hl--were compared with a unique dosage of two commercial formulates: VERTIMEC (a.i. Abamectine, Syngenta Crop Protection), 60 g/hl, and MAGISTER (a.i. Fenazaquin, Dow AgroSciences), 110 g/hl. Oberon resulted very effective in the control of phytopathogenic mites at both doses of 45 and 60 g/hl. Its effectiveness demonstrated to be remarkable for approximately one month after application. By contrast, Vertimec and Magister have proven their effectiveness for a much lower period of time (about the first 15 days post application). About the efficacy against whiteflies, even 36 days after the foliar application Oberon showed a strong containment of the populations of aleurodides. There were no phenomena of phytotoxicity nor on leaves nor on flowers and fruits, in none of the treatments. About the phytotoxicity on the useful entomofauna, the assessments made on the different treatments have highlighted the lack of harmful effects on predators and on parasitoids of insects and mites

    RECENTI SVILUPPI NELL' ELETTRODEPOSIZIONE DI LEGHE DI ORO BIANCO IPOALLERGENICHE"

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    AIFM Galvanotecnica e Nuove Finitur
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