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  • Eaton Pagh posted an update 3 days, 4 hours ago

    Chlorophenols are used in many industries for their importance in preservation and herbicide preparation even though they possess high-risk factors. The prolonged usage of these compounds makes it very complicated to remove them from water and soil by conventional treatment methods. Biosurfactant are the promising structures with the ability to remove contaminants effectively. In this work, an attempt has been made to eliminate 2,4-dichlorophenol from soil and water using amino acid-enhanced cationic biosurfactant obtained from Bacillus axarquiensis. The produced BS has the ability to reduce the surface tension to 30.0 mN m-1. From RSM, the optimum conditions for the maximum production of BS were obtained at time 95 h; pH 7; temperature 35 °C, and concentration of substrate 5%. The BS was immobilized using a solid support matrix for the stability. The environmental factors such as temperature and pH have no effect on the matrix used and found to be viable even under extreme conditions. The removal efficiency was achieved in the range of 93-96% from water and 80-85% from soil. Additionally, the recyclability and reusability of the matrix were also analyzed, and it withstands up to 8 cycles. As a result, the significance of biosurfactant by enhancing the amino acid content was explored in remediation technology.Ambio is a leading journal in environmental science and policy, sustainable development, and human-environment interactions. The paper at hand aims to run a bibliometric analysis to inspect the main publications features of Ambio in Science Citation Index Expanded SCI-EXPANDED. For this scope, a bibliometric survey has been carried out to investigate the journal’s historic characteristics in the Web of Science (WoS) categories of environmental sciences and environmental engineering for Ambio from 1980 to 2019. These are the categories for which the journal has been indexed throughout the indexed time frame. The paper proposes technical and methodological innovations, including improvements in the methods and original characteristics analyzed. Documents published in Ambio were searched out from SCI-EXPANDED. Six publication indicators were applied to evaluate the publication performance of countries, institutes, and authors. Three citation indicators were used to compare publications. As a parameter, the journal impact factor contributor was applied to compare the most frequently cited publications. The journal impact factor contributing publications were also discussed. Results show that Sweden ranked top in six publication indicators and that the top three productive institutes were located in Sweden. A low percentage of productive authors emerged as a journal impact factor contributor. Similarly, a low relationship between the IF contributing publications and the highly cited publications was also found. Less than half of the top 100 highly cited publications in Ambio did not lie within the high impact in most the recent year of 2019. Three members of the advisory board in Ambio were the main productive authors. T.V. Callaghan contributed to most of the publications while papers published by J. Rockstrom as first and corresponding author contributed the most to the journal impact factor. An article authored by Steffen et al. (2007) scored the highest total citations in 2019.

    To compare preoperative contrast-enhanced spectral mammography (CEM) versus digital mammography plus digital breast tomosynthesis (DM + DBT) in detecting breast cancer (BC) and assessing its size.

    We retrospectively included 78 patients with histological diagnosis of BC who underwent preoperative DM, DBT, and CEM over one year. Four readers, blinded to pathology and clinical information, independently evaluated DM + DBT versus CEM to detect BC and measure its size. Readers’ experience ranged 3-10years. We calculated the per-lesion cancer detection rate (CDR) and the complement of positive predictive value (1-PPV) of both methods, stratifying analysis on the total of lesions, index lesions, and additional lesions. The agreement in assessing cancer size versus pathology was assessed with Bland-Altman analysis.

    100 invasive BCs (78 index lesions and 22 additional lesions) were analyzed. Compared to DM + DBT, CEM showed higher overall CDR in less experienced readers (range 0.85-0.90 vs. 0.95-0.96), and higher CDR for additional lesions, regardless of the reader (range 0.54-0.68 vs. learn more 0.77-0.86). CEM increased the detection of additional disease in dense breasts in all readers and non-dense breasts in less experienced readers only. The 1-PPV of CEM (range 0.10-0.18) was comparable to that of DM + DBT (range 0.09-0.19). At Bland-Altman analysis, DM + DBT and CEM showed comparable mean differences and limits of agreement in respect of pathologic cancer size.

    Preoperative CEM improved the detection of additional cancer lesions compared to DM + DBT, particularly in dense breasts. CEM and DM + DBT achieved comparable performance in cancer size assessment.

    Preoperative CEM improved the detection of additional cancer lesions compared to DM + DBT, particularly in dense breasts. CEM and DM + DBT achieved comparable performance in cancer size assessment.Recurrent fever during/post-dialysis can occur due to infectious or non-infectious causes. We present the case of a 79-year-old patient who had persistent post-dialysis fever after long-term tunneled central venous catheterization with acetate-containing bicarbonate dialysate. Drug-induced lymphocyte stimulation test (DLST) was positive for acetate dialysate, and he was suspected of having acetate dialysate-induced hypersensitivity reaction. However, switching to acetate-free dialysate did not attenuate the fever. Since Serratia marcescens had been isolated twice from the blood, catheter-related bloodstream infection (CRBSI) was suspected. The culture of the catheter tip confirmed CRBSI caused by S. marcescens. Elevation of β-d-glucan levels and appearance of pulmonary nodular shadow on chest computed tomography images indicated complicated fungal infections. Administration of antibiotics and antifungals led to resolution of the pulmonary nodular shadow with attenuation of fever and C-reactive protein levels.

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