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| http://dx.doi.org/10.1007/s00701-021-04711-8 | DOI Listing |
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Correction method of Mohr-Coulomb strength criterion for rock based on freeze-thaw and residual effects.
Sci Rep
December 2024
Department of Mechanics, Xi'an University of Science and Technology, Xi'an, 710054, China.
Under confining pressure, rocks transition from brittle failure to plastic failure, and residual strength exists after complete failure. However, in the process of establishing rock damage constitutive models, the strength criteria used usually do not consider residual stress. In cold region engineering, the freeze-thaw effect caused by temperature changes should be considered in the constitutive model, and strength criteria should also be introduced.
View Article and Find Full Text PDFCorrection of L5 Tilt in 2-Row Vertebral Body Tethering Versus Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis.
Clin Spine Surg
October 2024
Department of Orthopaedics, NYU Langone Orthopedic Hospital, New York, NY.
Study Design: Single-center retrospective cohort study.
Objective: To compare the correction of fractional curve and L5 tilt in 2RVBT versus PSF with LIV in the lumbar spine.
Summary Of Background Data: Vertebral body tethering, an AIS fusion-alternative, avoids rigid constructs, allowing for lower instrumented vertebra (LIV) selection.
Free Energy-Based Refinement of DNA Force Field via Modification of Multiple Nonbonding Energy Terms.
J Chem Inf Model
December 2024
Department of Chemistry and Institute of Functional Materials, Pusan National University, Busan 46241, South Korea.
The amber-OL21 force field (ff) was developed to better describe noncanonical DNA, including Z-DNA. Despite its improvements for DNA simulations, this study found that OL21's scope of application was limited by embedded ff artifacts. In a benchmark set of seven DNA molecules, including two double-stranded DNAs transitioning between B- and Z-DNA and five single-stranded DNAs folding into mini-dumbbell or G-quadruplex structures, the free energy landscapes obtained using OL21 revealed several issues: Z-DNA was overly stabilized; misfolded states in mini-dumbbell DNAs were most stable; DNA GQ folding was consistently biased toward an antiparallel topology.
View Article and Find Full Text PDFClinical feasibility of Ethos auto-segmentation for adaptive whole-breast cancer treatment.
Front Oncol
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Radiotherapy Department, Montpellier Regional Cancer Institute, Montpellier, France.
Introduction: Following a preliminary work validating the technological feasibility of an adaptive workflow with Ethos for whole-breast cancer, this study aims to clinically evaluate the automatic segmentation generated by Ethos.
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