Results 161 to 170 of about 1,378,242 (364)

A Python package for fast GPU‐based proton pencil beam dose calculation

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose Open‐source GPU‐based Monte Carlo (MC) proton dose calculation algorithms provide high speed and unparalleled accuracy but can be complex to integrate with new applications and remain slower than GPU‐based pencil beam (PB) methods, which sacrifice some physical accuracy for sub‐second plan calculation.
Mahasweta Bhattacharya   +4 more
wiley   +1 more source

Maximal subgroups of multi-edge spinal groups [PDF]

open access: yesarXiv, 2013
A multi-edge spinal group is a subgroup of the automorphism group of a regular p-adic rooted tree, generated by one rooted automorphism and a finite number of directed automorphisms sharing a common directing path. We prove that torsion multi-edge spinal groups do not have maximal subgroups of infinite index.
arxiv  

Origins of Neural Progenitor Cell-Derived Axons Projecting Caudally after Spinal Cord Injury. [PDF]

open access: yes, 2019
Neural progenitor cells (NPCs) transplanted into sites of spinal cord injury (SCI) extend large numbers of axons into the caudal host spinal cord. We determined the precise locations of neurons in the graft that extend axons into the caudal host spinal ...
Anil, Selin   +7 more
core  

An investigation into the feasibility and efficacy of stereotactic radiosurgery for 1–3 cm single brain lesions on the ring‐mounted Halcyon LINAC

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose An evaluation of the accuracy, safety, and efficiency of the Halcyon ring delivery system (RDS) for stereotactic radiosurgery (SRS) treatment to relatively small (1–3 cm) brain lesions. Methods After completing the extensive in‐house quality assurance checks including Winston–Lutz test and independent dose verification via MD Anderson ...
Kate Hazelwood   +5 more
wiley   +1 more source

Spinal Anesthesia for Amyotrophic Lateral Sclerosis Patient Undergoing Lower Extremity Orthopedic Surgery: An Overview of the Anesthetic Considerations

open access: yesInternational Medical Case Reports Journal, 2020
Jason K Panchamia, Carmelina Gurrieri, Adam W Amundson Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, USACorrespondence: Jason K PanchamiaDepartment of Anesthesiology and Perioperative Medicine, Mayo Clinic, 200 ...
Panchamia JK, Gurrieri C, Amundson AW
doaj  

Spinal open books and symplectic fillings with exotic fibers [PDF]

open access: yesarXiv
Spinal open book decompositions provide a natural generalization of open book decompositions. We show that any minimal symplectic filling of a contact 3-manifold supported by a planar spinal open book is deformation equivalent to the complement of a positive multisection in a bordered Lefschetz fibration, which generalizes a result of Wendl.
arxiv  

Electrophysiological Guidance of Epidural Electrode Array Implantation over the Human Lumbosacral Spinal Cord to Enable Motor Function after Chronic Paralysis. [PDF]

open access: yes, 2019
Epidural electrical stimulation (EES) of the spinal cord has been shown to restore function after spinal cord injury (SCI). Characterization of EES-evoked motor responses has provided a basic understanding of spinal sensorimotor network activity related ...
Beck, Lisa A   +15 more
core  

A Unified Expression for Upper Bounds on the BLER of Spinal Codes over Fading Channels [PDF]

open access: yesarXiv
Performance evaluation of particular channel coding has been a significant topic in coding theory, often involving the use of bounding techniques. This paper focuses on the new family of capacity-achieving codes, Spinal codes, to provide a comprehensive analysis framework to tightly upper bound the block error rate (BLER) of Spinal codes in the finite ...
arxiv  

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