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The objective of this research was to develop a decision support framework (DSF) to assess quantitative risk in multimodal green logistics. This risk assessment is the combination of a number of models, the failure mode and effects analysis, the risk contour plot, the quantitative risk assessment, the analytic hierarchy process and the data envelopment analysis which can support a user to perform risk assessment in various decisions. The contribution of this research is that the risk assessment model can generate an optimal green logistics route in accordance with weight from the user. The highlight of this DSF is that the quantitative assessment model can reduce bias on risk assessment of logistics route. An in-depth case study, recommendations, limitations and further research are also provided. 相似文献
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Atip Lawanprasert Dr. Janna N. Sloand Mariangely González Vargas Dr. Harminder Singh Tomer Eldor Michael A. Miller Sopida Pimcharoen Dr. Jian Wang Dr. Scott M. Leighow Prof. Justin R. Pritchard Prof. Nikolay V. Dokholyan Prof. Scott H. Medina 《Chembiochem : a European journal of chemical biology》2023,24(13):e202300159
Although rarely used in nature, fluorine has emerged as an important elemental ingredient in the design of proteins with altered folding, stability, oligomerization propensities, and bioactivity. Adding to the molecular modification toolbox, here we report the ability of privileged perfluorinated amphiphiles to noncovalently decorate proteins to alter their conformational plasticity and potentiate their dispersion into fluorous phases. Employing a complementary suite of biophysical, in-silico and in-vitro approaches, we establish structure-activity relationships defining these phenomena and investigate their impact on protein structural dynamics and intracellular trafficking. Notably, we show that the lead compound, perfluorononanoic acid, is 106 times more potent in inducing non-native protein secondary structure in select proteins than is the well-known helix inducer trifluoroethanol, and also significantly enhances the cellular uptake of complexed proteins. These findings could advance the rational design of fluorinated proteins, inform on potential modes of toxicity for perfluoroalkyl substances, and guide the development of fluorine-modified biologics with desirable functional properties for drug discovery and delivery applications. 相似文献
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A Fourth-Order Compact Finite Difference Scheme for Higher-Order PDE-Based Image Registration 下载免费PDF全文
Sopida Jewprasert Noppadol Chumchob & Chantana Chantrapornchai 《East Asian journal on applied mathematics.》2015,5(4):361-386
Image registration is an ill-posed problem that has been studied widely in recent
years. The so-called curvature-based image registration method is one of the most
effective and well-known approaches, as it produces smooth solutions and allows an
automatic rigid alignment. An important outstanding issue is the accurate and efficient
numerical solution of the Euler-Lagrange system of two coupled nonlinear biharmonic
equations, addressed in this article. We propose a fourth-order compact (FOC) finite
difference scheme using a splitting operator on a 9-point stencil, and discuss how the
resulting nonlinear discrete system can be solved efficiently by a nonlinear multi-grid
(NMG) method. Thus after measuring the h-ellipticity of the nonlinear discrete operator
involved by a local Fourier analysis (LFA), we show that our FOC finite difference method
is amenable to multi-grid (MG) methods and an appropriate point-wise smoothing procedure.
A high potential point-wise smoother using an outer-inner iteration method is
shown to be effective by the LFA and numerical experiments. Real medical images are
used to compare the accuracy and efficiency of our approach and the standard second-order
central (SSOC) finite difference scheme in the same NMG framework. As expected
for a higher-order finite difference scheme, the images generated by our FOC finite difference
scheme prove significantly more accurate than those computed using the SSOC
finite difference scheme. Our numerical results are consistent with the LFA analysis, and
also demonstrate that the NMG method converges within a few steps. 相似文献
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