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    Authors: FRASCARI, DARIO; PINELLI, DAVIDE; NOCENTINI, MASSIMO; FEDI, STEFANO; +2 Authors

    The ability of a Rhodococcus aetherovorans strain, BCP1, to grow on butane and to degrade chloroform in the 0-633 microM range (0-75.5 mg l(-1)) via aerobic cometabolism was investigated by means of resting-cell assays. BCP1 degraded chloroform with a complete mineralization of the organic Cl. The resulting butane and chloroform maximum specific degradation rates were equal to 118 and 22 micromol mg(protein)(-1)day(-1), respectively. Butane inhibition on chloroform degradation was satisfactorily interpreted by means of a model of competitive inhibition, with an inhibition constant equal to 38 % of the estimated butane half-saturation constant, whereas chloroform (at 11 microM) did not inhibit butane utilization. Acetylene (1,720 microM) induced an almost complete inactivation of the degradation of both butane and chloroform, indicating that the studied cometabolic process is mediated by a monooxygenase enzyme. BCP1 proved capable of degrading vinyl chloride and 1,1,2-trichloroethane, but not 1,2-trans-dichloroethylene. BCP1 could grow on the intermediates of the most common butane metabolic pathways and on the aliphatic hydrocarbons from ethane to n-heptane. After growth on n-hexane, it was able to deplete chloroform (13 microM) with a degradation rate higher than that obtained, at the same chloroform concentration, after growth on butane.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ IRIS - Università de...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Locatelli, G.; Mancini, Mauro;

    International literature presents several studies on the economics of power plants based on cash flows. However there are sustainability factors (e.g., environmental and social aspects, etc.) able to heavily bear on the sustainability of certain investments. This paper lists and quantifies these factors and ranks under different scenarios the following technologies: hydro, coal, oil, gas and nuclear. Then an overall multi-attribute model, based on the quality function deployment approach, delivers a weight for each factor, dividing its impact in the three different sustainability dimensions: economic, environmental and social. Finally the factor weights and their performances are coupled to obtain an overall ranking. The results show that hydroelectric plants are usually the best solution. Coal and nuclear could be a good choice even if each type of plant has its strengths and weaknesses. On the contrary, the oil and gas-fired plants are always the worst choice.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao RE.PUBLIC@POLIMI Res...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: H. Alexander Chen; Zach Hutelin; Alexander M. Moushey; Nicholas S. Diab; +2 Authors

    Robot-assisted cholecystectomies are often criticized as expensive with uncertain benefit to patients. Characterization of robotic surgery benefits, as well as specific factors that drive cost, has the potential to shape the current debate.The surgical cost and outcomes among patients who underwent robotic (n = 283) or non-robotic (n = 1438) laparoscopic cholecystectomies between 2012 and 2018 at a single academic institution were examined retrospectively. All cholecystectomies were primary surgical procedures with no secondary procedures. We also examined the subset of robotic (n = 277) and non-robotic (n = 1108) outpatient procedures.Robotic cholecystectomies were associated with higher median total cost compared to conventional procedures, largely attributable to variable costs and surgical costs. Patients who underwent conventional cholecystectomy had longer mean lengths of stays (1.7 versus 1.1 days) compared to robotic procedures-with over 10 times as many requiring hospital admission.At present, robotic cholecystectomies have a little value to patients and institutions outside of surgical training. Prior to narrowing the analysis to outpatient cases, difference in total cost between procedures was less pronounced due to more frequent inpatient management following conventional procedures. Future optimization of robotic consumables and free market competition among system manufacturers may increase financial feasibility by decreasing variable costs associated with robotic surgery.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Surgical ...arrow_drop_down
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    Journal of Surgical Research
    Article . 2022 . Peer-reviewed
    License: Elsevier TDM
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Surgical ...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Journal of Surgical Research
      Article . 2022 . Peer-reviewed
      License: Elsevier TDM
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    Authors: Sinndy Rossaly Cabral de Oliveira; David Barbosa de Alencar; Ana Caroline da Silva Taumaturgo; Marto Gibran Andrade Silva; +2 Authors

    The lack of project management in the municipality of Presidente Figueiredo has consequences for work safety, which has been a notorious case of inapplicability of engineering sector norms, causing risk to the operation being performed as well as to all involved. Therefore, this article proposes the search to detect errors and thus improve efficiency through indicators that can be followed by companies, since it is common knowledge that management still presents itself erroneously in the civil sector.

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    Article
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    DOAJ
    Article . 2019
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    Article . 2019 . Peer-reviewed
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    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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    Article . 2019
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ ITEGAM-JETIAarrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      Article
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      DOAJ
      Article . 2019
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      Article . 2019 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      Article . 2019
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    Authors: Lu, Lin; Liang, Yongguang; Schwartz, Lawrence H.; Zhao, Binsheng;

    a noise-free, computer-generated phantom image series that reproduced the 2 objects and the background was used for calculating reference feature value. Feature reliability was defined as the degree of predicting reference feature value from real feature value. Radiomic features mean, std, skewness, kurtosis, gray-level co-occurrence matrix (GLCM)-energy, GLCM-contrast, GLCM-correlation, GLCM-homogeneity were investigated. The value of R2 ≥ 0.85 was considered to be of high reliability. The reliability of mean and std were high across all image acquisition settings. At 200 Effective mAs, all features except GLCM-homogeneity showed high reliability, whereas at 25 Effective mAs, most features (except mean and std) showed low reliability. From high to low, reliability was ranked in the following order: mean, std, skewness, kurtosis, GLCM-energy, correlation, contrast and homogeneity. CT image acquisition settings affected the reliability of radiomic features. High reliable features were attained from images reconstructed at high tube current and thick slice thickness. We studied the reliability of radiomic features on abdominal computed tomography (CT) images reconstructed with multiple CT image acquisition settings using the ACR (American College of Radiology) CT Phantom. Twenty-four sets of CT images of the ACR CT phantom were attained from a GE Discovery 750HD scanner using 24 different image acquisition settings, combinations of 4 tube currents (25, 50, 100, 200 Effective mAs), 3 slice thicknesses (1.25, 2.5, 5 mm), and 2 convolution kernels (STANDARD and SOFT). Polyethylene (−95 HU) and acrylic (120 HU) of the phantom model were selected for calculating real feature value

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    Tomography
    Other literature type . Article . 2019 . Peer-reviewed
    License: CC BY
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      Tomography
      Other literature type . Article . 2019 . Peer-reviewed
      License: CC BY
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    Authors: James H. Tabibian; Keith D. Lindor;
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    Journal of Hepatology
    Article . 2019 . Peer-reviewed
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      Journal of Hepatology
      Article . 2019 . Peer-reviewed
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    Authors: J D, Newell; R A, Keller; N A, Baily;

    A simple method is described for outlining or contouring any area defined by a change in film density or fluorscopic screen intensity. The entire process, except for the positioning of an electronic window, is accomplished using a small computer having appropriate software. The electronic window is operator positioned over the area to be processed. The only requirement is that the window be large enough to encompass the total area to be considered.

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    Medical Physics
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    Medical Physics
    Article . 1975 . Peer-reviewed
    License: Wiley Online Library User Agreement
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    Medical Physics
    Article . 1975
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      Medical Physics
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      Medical Physics
      Article . 1975 . Peer-reviewed
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  • Authors: Shih, Hsi-Te; Komai, Tomoyuki; Liu, Min-Yun;

    Shih, Hsi-Te, Komai, Tomoyuki, Liu, Min-Yun (2013): A new species of fiddler crab from the Ogasawara (Bonin) Islands, Japan, separated from the widely-distributed sister species Uca (Paraleptuca) crassipes (White, 1847) (Crustacea: Decapoda: Brachyura: Ocypodidae). Zootaxa 3746 (1): 175-193, DOI: 10.11646/zootaxa.3746.1.8

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    Authors: FRASCARI, DARIO; PINELLI, DAVIDE; NOCENTINI, MASSIMO; FEDI, STEFANO; +2 Authors

    The ability of a Rhodococcus aetherovorans strain, BCP1, to grow on butane and to degrade chloroform in the 0-633 microM range (0-75.5 mg l(-1)) via aerobic cometabolism was investigated by means of resting-cell assays. BCP1 degraded chloroform with a complete mineralization of the organic Cl. The resulting butane and chloroform maximum specific degradation rates were equal to 118 and 22 micromol mg(protein)(-1)day(-1), respectively. Butane inhibition on chloroform degradation was satisfactorily interpreted by means of a model of competitive inhibition, with an inhibition constant equal to 38 % of the estimated butane half-saturation constant, whereas chloroform (at 11 microM) did not inhibit butane utilization. Acetylene (1,720 microM) induced an almost complete inactivation of the degradation of both butane and chloroform, indicating that the studied cometabolic process is mediated by a monooxygenase enzyme. BCP1 proved capable of degrading vinyl chloride and 1,1,2-trichloroethane, but not 1,2-trans-dichloroethylene. BCP1 could grow on the intermediates of the most common butane metabolic pathways and on the aliphatic hydrocarbons from ethane to n-heptane. After growth on n-hexane, it was able to deplete chloroform (13 microM) with a degradation rate higher than that obtained, at the same chloroform concentration, after growth on butane.

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Locatelli, G.; Mancini, Mauro;

    International literature presents several studies on the economics of power plants based on cash flows. However there are sustainability factors (e.g., environmental and social aspects, etc.) able to heavily bear on the sustainability of certain investments. This paper lists and quantifies these factors and ranks under different scenarios the following technologies: hydro, coal, oil, gas and nuclear. Then an overall multi-attribute model, based on the quality function deployment approach, delivers a weight for each factor, dividing its impact in the three different sustainability dimensions: economic, environmental and social. Finally the factor weights and their performances are coupled to obtain an overall ranking. The results show that hydroelectric plants are usually the best solution. Coal and nuclear could be a good choice even if each type of plant has its strengths and weaknesses. On the contrary, the oil and gas-fired plants are always the worst choice.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao RE.PUBLIC@POLIMI Res...arrow_drop_down
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    Authors: H. Alexander Chen; Zach Hutelin; Alexander M. Moushey; Nicholas S. Diab; +2 Authors

    Robot-assisted cholecystectomies are often criticized as expensive with uncertain benefit to patients. Characterization of robotic surgery benefits, as well as specific factors that drive cost, has the potential to shape the current debate.The surgical cost and outcomes among patients who underwent robotic (n = 283) or non-robotic (n = 1438) laparoscopic cholecystectomies between 2012 and 2018 at a single academic institution were examined retrospectively. All cholecystectomies were primary surgical procedures with no secondary procedures. We also examined the subset of robotic (n = 277) and non-robotic (n = 1108) outpatient procedures.Robotic cholecystectomies were associated with higher median total cost compared to conventional procedures, largely attributable to variable costs and surgical costs. Patients who underwent conventional cholecystectomy had longer mean lengths of stays (1.7 versus 1.1 days) compared to robotic procedures-with over 10 times as many requiring hospital admission.At present, robotic cholecystectomies have a little value to patients and institutions outside of surgical training. Prior to narrowing the analysis to outpatient cases, difference in total cost between procedures was less pronounced due to more frequent inpatient management following conventional procedures. Future optimization of robotic consumables and free market competition among system manufacturers may increase financial feasibility by decreasing variable costs associated with robotic surgery.

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    Journal of Surgical Research
    Article . 2022 . Peer-reviewed
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